diff options
Diffstat (limited to 'src/opengl')
69 files changed, 1443 insertions, 1068 deletions
diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp index ee1a797..516b847 100644 --- a/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp +++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h b/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h index 98eaa91..e0497b1 100644 --- a/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h +++ b/src/opengl/gl2paintengineex/qgl2pexvertexarray_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp b/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp index b71a7b7..f30ad9c 100644 --- a/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp +++ b/src/opengl/gl2paintengineex/qglcustomshaderstage.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h b/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h index e0033be..d2ebd87 100644 --- a/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h +++ b/src/opengl/gl2paintengineex/qglcustomshaderstage_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp index 9d545b9..556b888 100644 --- a/src/opengl/gl2paintengineex/qglengineshadermanager.cpp +++ b/src/opengl/gl2paintengineex/qglengineshadermanager.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -218,6 +218,23 @@ QGLEngineSharedShaders::QGLEngineSharedShaders(const QGLContext* context) } +QGLEngineSharedShaders::~QGLEngineSharedShaders() +{ + QList<QGLEngineShaderProg*>::iterator itr; + for (itr = cachedPrograms.begin(); itr != cachedPrograms.end(); ++itr) + delete *itr; + + if (blitShaderProg) { + delete blitShaderProg; + blitShaderProg = 0; + } + + if (simpleShaderProg) { + delete simpleShaderProg; + simpleShaderProg = 0; + } +} + #if defined (QT_DEBUG) QByteArray QGLEngineSharedShaders::snippetNameStr(SnippetName name) { @@ -393,7 +410,7 @@ QGLEngineShaderManager::~QGLEngineShaderManager() removeCustomStage(); } -uint QGLEngineShaderManager::getUniformLocation(Uniform id) +GLuint QGLEngineShaderManager::getUniformLocation(Uniform id) { if (!currentShaderProg) return 0; @@ -428,9 +445,9 @@ uint QGLEngineShaderManager::getUniformLocation(Uniform id) } -void QGLEngineShaderManager::optimiseForBrushTransform(const QTransform &transform) +void QGLEngineShaderManager::optimiseForBrushTransform(QTransform::TransformationType transformType) { - Q_UNUSED(transform); // Currently ignored + Q_UNUSED(transformType); // Currently ignored } void QGLEngineShaderManager::setDirty() @@ -505,7 +522,27 @@ QGLShaderProgram* QGLEngineShaderManager::currentProgram() if (currentShaderProg) return currentShaderProg->program; else - return simpleProgram(); + return sharedShaders->simpleProgram(); +} + +void QGLEngineShaderManager::useSimpleProgram() +{ + sharedShaders->simpleProgram()->bind(); + QGLContextPrivate* ctx_d = ctx->d_func(); + ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, false); + ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, false); + shaderProgNeedsChanging = true; +} + +void QGLEngineShaderManager::useBlitProgram() +{ + sharedShaders->blitProgram()->bind(); + QGLContextPrivate* ctx_d = ctx->d_func(); + ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, false); + shaderProgNeedsChanging = true; } QGLShaderProgram* QGLEngineShaderManager::simpleProgram() @@ -716,6 +753,13 @@ bool QGLEngineShaderManager::useCorrectShaderProg() customSrcStage->setUniforms(currentShaderProg->program); } + // Make sure all the vertex attribute arrays the program uses are enabled (and the ones it + // doesn't use are disabled) + QGLContextPrivate* ctx_d = ctx->d_func(); + ctx_d->setVertexAttribArrayEnabled(QT_VERTEX_COORDS_ATTR, true); + ctx_d->setVertexAttribArrayEnabled(QT_TEXTURE_COORDS_ATTR, currentShaderProg->useTextureCoords); + ctx_d->setVertexAttribArrayEnabled(QT_OPACITY_ATTR, currentShaderProg->useOpacityAttribute); + shaderProgNeedsChanging = false; return true; } diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h index 50c1432..c52e5c0 100644 --- a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h +++ b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -344,6 +344,7 @@ public: */ QGLEngineSharedShaders(const QGLContext *context); + ~QGLEngineSharedShaders(); QGLShaderProgram *simpleProgram() { return simpleShaderProg; } QGLShaderProgram *blitProgram() { return blitShaderProg; } @@ -454,7 +455,7 @@ public: // There are optimisations we can do, depending on the brush transform: // 1) May not have to apply perspective-correction // 2) Can use lower precision for matrix - void optimiseForBrushTransform(const QTransform &transform); + void optimiseForBrushTransform(QTransform::TransformationType transformType); void setSrcPixelType(Qt::BrushStyle); void setSrcPixelType(PixelSrcType); // For non-brush sources, like pixmaps & images void setOpacityMode(OpacityMode); @@ -463,11 +464,14 @@ public: void setCustomStage(QGLCustomShaderStage* stage); void removeCustomStage(); - uint getUniformLocation(Uniform id); + GLuint getUniformLocation(Uniform id); void setDirty(); // someone has manually changed the current shader program bool useCorrectShaderProg(); // returns true if the shader program needed to be changed + void useSimpleProgram(); + void useBlitProgram(); + QGLShaderProgram* currentProgram(); // Returns pointer to the shader the manager has chosen QGLShaderProgram* simpleProgram(); // Used to draw into e.g. stencil buffers QGLShaderProgram* blitProgram(); // Used to blit a texture into the framebuffer diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h index 46de124..d9a61e9 100644 --- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h +++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qglgradientcache.cpp b/src/opengl/gl2paintengineex/qglgradientcache.cpp index e06f15d..192e01c 100644 --- a/src/opengl/gl2paintengineex/qglgradientcache.cpp +++ b/src/opengl/gl2paintengineex/qglgradientcache.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qglgradientcache_p.h b/src/opengl/gl2paintengineex/qglgradientcache_p.h index 3813f39..0a5f846 100644 --- a/src/opengl/gl2paintengineex/qglgradientcache_p.h +++ b/src/opengl/gl2paintengineex/qglgradientcache_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index f52ed92..caa679b 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -75,15 +75,14 @@ #include <QPaintEngine> #include <private/qpainter_p.h> #include <private/qfontengine_p.h> -#include <private/qtextureglyphcache_p.h> #include <private/qpixmapdata_gl_p.h> #include <private/qdatabuffer_p.h> #include "qglgradientcache_p.h" #include "qglengineshadermanager_p.h" #include "qgl2pexvertexarray_p.h" - #include "qtriangulatingstroker_p.h" +#include "qtextureglyphcache_gl_p.h" #include <QDebug> @@ -91,254 +90,6 @@ QT_BEGIN_NAMESPACE //#define QT_GL_NO_SCISSOR_TEST -static const GLuint GL_STENCIL_HIGH_BIT = 0x80; -static const GLuint QT_BRUSH_TEXTURE_UNIT = 0; -static const GLuint QT_IMAGE_TEXTURE_UNIT = 0; //Can be the same as brush texture unit -static const GLuint QT_MASK_TEXTURE_UNIT = 1; -static const GLuint QT_BACKGROUND_TEXTURE_UNIT = 2; - -#ifdef Q_WS_WIN -extern Q_GUI_EXPORT bool qt_cleartype_enabled; -#endif - -class QGLTextureGlyphCache : public QObject, public QTextureGlyphCache -{ - Q_OBJECT -public: - QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix); - ~QGLTextureGlyphCache(); - - virtual void createTextureData(int width, int height); - virtual void resizeTextureData(int width, int height); - virtual void fillTexture(const Coord &c, glyph_t glyph); - virtual int glyphMargin() const; - - inline GLuint texture() const { return m_texture; } - - inline int width() const { return m_width; } - inline int height() const { return m_height; } - - inline void setPaintEnginePrivate(QGL2PaintEngineExPrivate *p) { pex = p; } - - -public Q_SLOTS: - void contextDestroyed(const QGLContext *context) { - if (context == ctx) { - QList<const QGLContext *> shares = qgl_share_reg()->shares(ctx); - if (shares.isEmpty()) { - glDeleteFramebuffers(1, &m_fbo); - if (m_width || m_height) - glDeleteTextures(1, &m_texture); - ctx = 0; - } else { - // since the context holding the texture is shared, and - // about to be destroyed, we have to transfer ownership - // of the texture to one of the share contexts - ctx = const_cast<QGLContext *>((ctx == shares.at(0)) ? shares.at(1) : shares.at(0)); - } - } - } - -private: - QGLContext *ctx; - - QGL2PaintEngineExPrivate *pex; - - GLuint m_texture; - GLuint m_fbo; - - int m_width; - int m_height; - - QGLShaderProgram *m_program; -}; - -QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix) - : QTextureGlyphCache(type, matrix) - , ctx(context) - , m_width(0) - , m_height(0) -{ - glGenFramebuffers(1, &m_fbo); - connect(QGLSignalProxy::instance(), SIGNAL(aboutToDestroyContext(const QGLContext*)), - SLOT(contextDestroyed(const QGLContext*))); -} - -QGLTextureGlyphCache::~QGLTextureGlyphCache() -{ - if (ctx) { - QGLShareContextScope scope(ctx); - glDeleteFramebuffers(1, &m_fbo); - - if (m_width || m_height) - glDeleteTextures(1, &m_texture); - } -} - -void QGLTextureGlyphCache::createTextureData(int width, int height) -{ - glGenTextures(1, &m_texture); - glBindTexture(GL_TEXTURE_2D, m_texture); - - m_width = width; - m_height = height; - - QVarLengthArray<uchar> data(width * height); - for (int i = 0; i < data.size(); ++i) - data[i] = 0; - - if (m_type == QFontEngineGlyphCache::Raster_RGBMask) - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]); - else - glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]); - - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); -} - -void QGLTextureGlyphCache::resizeTextureData(int width, int height) -{ - // ### the QTextureGlyphCache API needs to be reworked to allow - // ### resizeTextureData to fail - - int oldWidth = m_width; - int oldHeight = m_height; - - GLuint oldTexture = m_texture; - createTextureData(width, height); - - glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo); - - GLuint tmp_texture; - glGenTextures(1, &tmp_texture); - glBindTexture(GL_TEXTURE_2D, tmp_texture); - glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, oldWidth, oldHeight, 0, - GL_RGBA, GL_UNSIGNED_BYTE, NULL); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); - glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); - glBindTexture(GL_TEXTURE_2D, 0); - glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, - GL_TEXTURE_2D, tmp_texture, 0); - - glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); - glBindTexture(GL_TEXTURE_2D, oldTexture); - - pex->transferMode(BrushDrawingMode); - -#ifndef QT_OPENGL_ES_2 - if (pex->inRenderText) - glPushAttrib(GL_ENABLE_BIT | GL_VIEWPORT_BIT | GL_SCISSOR_BIT); -#endif - - glDisable(GL_STENCIL_TEST); - glDisable(GL_DEPTH_TEST); - glDisable(GL_SCISSOR_TEST); - glDisable(GL_BLEND); - - glViewport(0, 0, oldWidth, oldHeight); - - float vertexCoordinateArray[] = { -1, -1, 1, -1, 1, 1, -1, 1 }; - float textureCoordinateArray[] = { 0, 0, 1, 0, 1, 1, 0, 1 }; - - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray); - glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray); - - pex->shaderManager->blitProgram()->bind(); - pex->shaderManager->blitProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT); - pex->shaderManager->setDirty(); - - glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - - glBindTexture(GL_TEXTURE_2D, m_texture); - -#ifdef QT_OPENGL_ES_2 - QDataBuffer<uchar> buffer(4*oldWidth*oldHeight); - buffer.resize(4*oldWidth*oldHeight); - glReadPixels(0, 0, oldWidth, oldHeight, GL_RGBA, GL_UNSIGNED_BYTE, buffer.data()); - - // do an in-place conversion from GL_RGBA to GL_ALPHA - for (int i=0; i<oldWidth*oldHeight; ++i) - buffer.data()[i] = buffer.at(4*i + 3); - - glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, oldWidth, oldHeight, - GL_ALPHA, GL_UNSIGNED_BYTE, buffer.data()); -#else - glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, oldWidth, oldHeight); -#endif - - glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, - GL_RENDERBUFFER_EXT, 0); - glDeleteTextures(1, &tmp_texture); - glDeleteTextures(1, &oldTexture); - - glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo); - - glViewport(0, 0, pex->width, pex->height); - pex->updateClipScissorTest(); - -#ifndef QT_OPENGL_ES_2 - if (pex->inRenderText) - glPopAttrib(); -#endif -} - -void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph) -{ - QImage mask = textureMapForGlyph(glyph); - const int maskWidth = mask.width(); - const int maskHeight = mask.height(); - - if (mask.format() == QImage::Format_Mono) { - mask = mask.convertToFormat(QImage::Format_Indexed8); - for (int y = 0; y < maskHeight; ++y) { - uchar *src = (uchar *) mask.scanLine(y); - for (int x = 0; x < maskWidth; ++x) - src[x] = -src[x]; // convert 0 and 1 into 0 and 255 - } - } - - - glBindTexture(GL_TEXTURE_2D, m_texture); - if (mask.format() == QImage::Format_RGB32) { - glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_BGRA, GL_UNSIGNED_BYTE, mask.bits()); - } else { -#ifdef QT_OPENGL_ES2 - glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_ALPHA, GL_UNSIGNED_BYTE, mask.bits()); -#else - // glTexSubImage2D() might cause some garbage to appear in the texture if the mask width is - // not a multiple of four bytes. The bug appeared on a computer with 32-bit Windows Vista - // and nVidia GeForce 8500GT. GL_UNPACK_ALIGNMENT is set to four bytes, 'mask' has a - // multiple of four bytes per line, and most of the glyph shows up correctly in the - // texture, which makes me think that this is a driver bug. - // One workaround is to make sure the mask width is a multiple of four bytes, for instance - // by converting it to a format with four bytes per pixel. Another is to copy one line at a - // time. - - for (int i = 0; i < maskHeight; ++i) - glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y + i, maskWidth, 1, GL_ALPHA, GL_UNSIGNED_BYTE, mask.scanLine(i)); -#endif - } -} - -int QGLTextureGlyphCache::glyphMargin() const -{ -#if defined(Q_WS_MAC) - return 2; -#elif defined (Q_WS_X11) - return 0; -#else - return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0; -#endif -} - extern QImage qt_imageForBrush(int brushStyle, bool invert); ////////////////////////////////// Private Methods ////////////////////////////////////////// @@ -358,10 +109,10 @@ QGL2PaintEngineExPrivate::~QGL2PaintEngineExPrivate() void QGL2PaintEngineExPrivate::updateTextureFilter(GLenum target, GLenum wrapMode, bool smoothPixmapTransform, GLuint id) { // glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); //### Is it always this texture unit? - if (id != GLuint(-1) && id == lastTexture) + if (id != GLuint(-1) && id == lastTextureUsed) return; - lastTexture = id; + lastTextureUsed = id; if (smoothPixmapTransform) { glTexParameterf(target, GL_TEXTURE_MAG_FILTER, GL_LINEAR); @@ -388,36 +139,39 @@ inline QColor qt_premultiplyColor(QColor c, GLfloat opacity) void QGL2PaintEngineExPrivate::setBrush(const QBrush& brush) { - Q_ASSERT(brush.style() != Qt::NoBrush); - if (qbrush_fast_equals(currentBrush, brush)) return; + const Qt::BrushStyle newStyle = qbrush_style(brush); + Q_ASSERT(newStyle != Qt::NoBrush); + currentBrush = brush; + brushUniformsDirty = true; // All brushes have at least one uniform + + if (newStyle > Qt::SolidPattern) + brushTextureDirty = true; - brushTextureDirty = true; - brushUniformsDirty = true; if (currentBrush.style() == Qt::TexturePattern && qHasPixmapTexture(brush) && brush.texture().isQBitmap()) { shaderManager->setSrcPixelType(QGLEngineShaderManager::TextureSrcWithPattern); } else { - shaderManager->setSrcPixelType(currentBrush.style()); + shaderManager->setSrcPixelType(newStyle); } - shaderManager->optimiseForBrushTransform(currentBrush.transform()); + shaderManager->optimiseForBrushTransform(currentBrush.transform().type()); } void QGL2PaintEngineExPrivate::useSimpleShader() { - shaderManager->simpleProgram()->bind(); - shaderManager->setDirty(); + shaderManager->useSimpleProgram(); if (matrixDirty) updateMatrix(); if (simpleShaderMatrixUniformDirty) { - shaderManager->simpleProgram()->setUniformValue("pmvMatrix", pmvMatrix); + const GLuint location = shaderManager->simpleProgram()->uniformLocation("pmvMatrix"); + glUniformMatrix3fv(location, 1, GL_FALSE, (GLfloat*)pmvMatrix); simpleShaderMatrixUniformDirty = false; } } @@ -604,13 +358,28 @@ void QGL2PaintEngineExPrivate::updateMatrix() const GLfloat wfactor = 2.0f / width; const GLfloat hfactor = -2.0f / height; + GLfloat dx = transform.dx(); + GLfloat dy = transform.dy(); + + // Non-integer translates can have strange effects for some rendering operations such as + // anti-aliased text rendering. In such cases, we snap the translate to the pixel grid. + if (snapToPixelGrid && transform.type() == QTransform::TxTranslate) { + // 0.50 needs to rounded down to 0.0 for consistency with raster engine: + dx = ceilf(dx - 0.5f); + dy = ceilf(dy - 0.5f); + } + + if (addOffset) { + dx += 0.49f; + dy += 0.49f; + } pmvMatrix[0][0] = (wfactor * transform.m11()) - transform.m13(); pmvMatrix[1][0] = (wfactor * transform.m21()) - transform.m23(); - pmvMatrix[2][0] = (wfactor * transform.dx() ) - transform.m33(); + pmvMatrix[2][0] = (wfactor * dx) - transform.m33(); pmvMatrix[0][1] = (hfactor * transform.m12()) + transform.m13(); pmvMatrix[1][1] = (hfactor * transform.m22()) + transform.m23(); - pmvMatrix[2][1] = (hfactor * transform.dy() ) + transform.m33(); + pmvMatrix[2][1] = (hfactor * dy) + transform.m33(); pmvMatrix[0][2] = transform.m13(); pmvMatrix[1][2] = transform.m23(); pmvMatrix[2][2] = transform.m33(); @@ -700,7 +469,19 @@ static inline void setCoords(GLfloat *coords, const QGLRect &rect) void QGL2PaintEngineExPrivate::drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize, bool opaque, bool pattern) { // Setup for texture drawing + currentBrush = noBrush; shaderManager->setSrcPixelType(pattern ? QGLEngineShaderManager::PatternSrc : QGLEngineShaderManager::ImageSrc); + + if (addOffset) { + addOffset = false; + matrixDirty = true; + } + + if (snapToPixelGrid) { + snapToPixelGrid = false; + matrixDirty = true; + } + if (prepareForDraw(opaque)) shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::ImageTexture), QT_IMAGE_TEXTURE_UNIT); @@ -729,6 +510,10 @@ void QGL2PaintEngineEx::beginNativePainting() QGLContext *ctx = d->ctx; glUseProgram(0); + // Disable all the vertex attribute arrays: + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) + glDisableVertexAttribArray(i); + #ifndef QT_OPENGL_ES_2 // be nice to people who mix OpenGL 1.x code with QPainter commands // by setting modelview and projection matrices to mirror the GL 1 @@ -755,7 +540,7 @@ void QGL2PaintEngineEx::beginNativePainting() Q_UNUSED(ctx); #endif - d->lastTexture = GLuint(-1); + d->lastTextureUsed = GLuint(-1); d->dirtyStencilRegion = QRect(0, 0, d->width, d->height); d->resetGLState(); @@ -774,6 +559,9 @@ void QGL2PaintEngineExPrivate::resetGLState() glDepthMask(true); glDepthFunc(GL_LESS); glClearDepth(1); + glStencilMask(0xff); + glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP); + glStencilFunc(GL_ALWAYS, 0, 0xff); } void QGL2PaintEngineEx::endNativePainting() @@ -782,49 +570,29 @@ void QGL2PaintEngineEx::endNativePainting() d->needsSync = true; } -const QGLContext *QGL2PaintEngineEx::context() -{ - Q_D(QGL2PaintEngineEx); - return d->ctx; -} - void QGL2PaintEngineExPrivate::transferMode(EngineMode newMode) { if (newMode == mode) return; if (mode == TextDrawingMode || mode == ImageDrawingMode || mode == ImageArrayDrawingMode) { - glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glDisableVertexAttribArray(QT_OPACITY_ATTR); - - lastTexture = GLuint(-1); + lastTextureUsed = GLuint(-1); } if (newMode == TextDrawingMode) { - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data()); - glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data()); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinateArray.data()); + setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinateArray.data()); } if (newMode == ImageDrawingMode) { - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, staticVertexCoordinateArray); - glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, staticTextureCoordinateArray); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, staticVertexCoordinateArray); + setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, staticTextureCoordinateArray); } if (newMode == ImageArrayDrawingMode) { - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glEnableVertexAttribArray(QT_TEXTURE_COORDS_ATTR); - glEnableVertexAttribArray(QT_OPACITY_ATTR); - - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data()); - glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data()); - glVertexAttribPointer(QT_OPACITY_ATTR, 1, GL_FLOAT, GL_FALSE, 0, opacityArray.data()); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinateArray.data()); + setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinateArray.data()); + setVertexAttributePointer(QT_OPACITY_ATTR, (GLfloat*)opacityArray.data()); } // This needs to change when we implement high-quality anti-aliasing... @@ -846,13 +614,14 @@ struct QGL2PEVectorPathCache qreal iscale; }; -void qopengl2paintengine_cleanup_vectorpath(QPaintEngineEx *engine, void *data) +void QGL2PaintEngineExPrivate::cleanupVectorPath(QPaintEngineEx *engine, void *data) { QGL2PEVectorPathCache *c = (QGL2PEVectorPathCache *) data; #ifdef QT_OPENGL_CACHE_AS_VBOS - QGL2PaintEngineExPrivate *d = QGL2PaintEngineExPrivate::getData((QGL2PaintEngineEx *) engine); - d->unusedVBOSToClean << c->vbo; + Q_ASSERT(engine->type() == QPaintEngine::OpenGL2); + static_cast<QGL2PaintEngineEx *>(engine)->d_func()->unusedVBOSToClean << c->vbo; #else + Q_UNUSED(engine); qFree(c->vertices); #endif delete c; @@ -863,6 +632,21 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) { transferMode(BrushDrawingMode); + const QOpenGL2PaintEngineState *s = q->state(); + const bool newAddOffset = !(s->renderHints & QPainter::Antialiasing) && + (qbrush_style(currentBrush) == Qt::SolidPattern) && + !multisamplingAlwaysEnabled; + + if (addOffset != newAddOffset) { + addOffset = newAddOffset; + matrixDirty = true; + } + + if (snapToPixelGrid) { + snapToPixelGrid = false; + matrixDirty = true; + } + // Might need to call updateMatrix to re-calculate inverseScale if (matrixDirty) updateMatrix(); @@ -898,7 +682,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) } else { cache = new QGL2PEVectorPathCache; cache->vertexCount = 0; - data = const_cast<QVectorPath &>(path).addCacheData(q, cache, qopengl2paintengine_cleanup_vectorpath); + data = const_cast<QVectorPath &>(path).addCacheData(q, cache, cleanupVectorPath); } // Flatten the path at the current scale factor and fill it into the cache struct. @@ -921,12 +705,11 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) } prepareForDraw(currentBrush.isOpaque()); - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); #ifdef QT_OPENGL_CACHE_AS_VBOS glBindBuffer(GL_ARRAY_BUFFER, cache->vbo); - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, false, 0, 0); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, 0); #else - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, false, 0, cache->vertices); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, cache->vertices); #endif glDrawArrays(cache->primitiveType, 0, cache->vertexCount); @@ -963,20 +746,11 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) // Pass when high bit is set, replace stencil value with 0 glStencilFunc(GL_NOTEQUAL, 0, GL_STENCIL_HIGH_BIT); } - prepareForDraw(currentBrush.isOpaque()); - if (inRenderText) - prepareDepthRangeForRenderText(); - // Stencil the brush onto the dest buffer composite(vertexCoordinateArray.boundingRect()); - - if (inRenderText) - restoreDepthRangeForRenderText(); - glStencilMask(0); - updateClipScissorTest(); } } @@ -1015,13 +789,6 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data, useSimpleShader(); glEnable(GL_STENCIL_TEST); // For some reason, this has to happen _after_ the simple shader is use()'d -#ifndef QT_OPENGL_ES_2 - if (inRenderText) { - glPushAttrib(GL_ENABLE_BIT); - glDisable(GL_DEPTH_TEST); - } -#endif - if (mode == WindingFillMode) { Q_ASSERT(stops && !count); if (q->state()->clipTestEnabled) { @@ -1062,10 +829,8 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data, glStencilMask(GL_STENCIL_HIGH_BIT); #if 0 glStencilOp(GL_KEEP, GL_KEEP, GL_INVERT); // Simply invert the stencil bit - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, data); glDrawArrays(GL_TRIANGLE_STRIP, 0, count); - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); #else glStencilOp(GL_KEEP, GL_KEEP, GL_REPLACE); @@ -1075,21 +840,13 @@ void QGL2PaintEngineExPrivate::fillStencilWithVertexArray(const float *data, } else { glStencilFunc(GL_ALWAYS, GL_STENCIL_HIGH_BIT, 0xff); } - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, data); glDrawArrays(GL_TRIANGLE_STRIP, 0, count); - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); #endif } // Enable color writes & disable stencil writes glColorMask(GL_TRUE, GL_TRUE, GL_TRUE, GL_TRUE); - -#ifndef QT_OPENGL_ES_2 - if (inRenderText) - glPopAttrib(); -#endif - } /* @@ -1183,7 +940,7 @@ bool QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque) updateBrushUniforms(); if (shaderMatrixUniformDirty) { - shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PmvMatrix), pmvMatrix); + glUniformMatrix3fv(location(QGLEngineShaderManager::PmvMatrix), 1, GL_FALSE, (GLfloat*)pmvMatrix); shaderMatrixUniformDirty = false; } @@ -1197,20 +954,9 @@ bool QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque) void QGL2PaintEngineExPrivate::composite(const QGLRect& boundingRect) { - // Setup a vertex array for the bounding rect: - GLfloat rectVerts[] = { - boundingRect.left, boundingRect.top, - boundingRect.left, boundingRect.bottom, - boundingRect.right, boundingRect.bottom, - boundingRect.right, boundingRect.top - }; - - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, rectVerts); - + setCoords(staticVertexCoordinateArray, boundingRect); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, staticVertexCoordinateArray); glDrawArrays(GL_TRIANGLE_FAN, 0, 4); - - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); } // Draws the vertex array as a set of <vertexArrayStops.size()> triangle fans. @@ -1218,8 +964,7 @@ void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, int *stops, i GLenum primitive) { // Now setup the pointer to the vertex array: - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, data); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)data); int previousStop = 0; for (int i=0; i<stopCount; ++i) { @@ -1232,31 +977,6 @@ void QGL2PaintEngineExPrivate::drawVertexArrays(const float *data, int *stops, i glDrawArrays(primitive, previousStop, stop - previousStop); previousStop = stop; } - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); -} - -void QGL2PaintEngineExPrivate::prepareDepthRangeForRenderText() -{ -#ifndef QT_OPENGL_ES_2 - // Get the z translation value from the model view matrix and - // transform it using the ortogonal projection with z-near = 0, - // and z-far = 1, which is used in QGLWidget::renderText() - GLdouble model[4][4]; - glGetDoublev(GL_MODELVIEW_MATRIX, &model[0][0]); - float deviceZ = -2 * model[3][2] - 1; - - glGetFloatv(GL_DEPTH_RANGE, depthRange); - float windowZ = depthRange[0] + (deviceZ + 1) * 0.5 * (depthRange[1] - depthRange[0]); - - glDepthRange(windowZ, windowZ); -#endif -} - -void QGL2PaintEngineExPrivate::restoreDepthRangeForRenderText() -{ -#ifndef QT_OPENGL_ES_2 - glDepthRange(depthRange[0], depthRange[1]); -#endif } /////////////////////////////////// Public Methods ////////////////////////////////////////// @@ -1274,31 +994,11 @@ void QGL2PaintEngineEx::fill(const QVectorPath &path, const QBrush &brush) { Q_D(QGL2PaintEngineEx); - Qt::BrushStyle style = qbrush_style(brush); - if (style == Qt::NoBrush) + if (qbrush_style(brush) == Qt::NoBrush) return; - if (!d->inRenderText) - ensureActive(); - - QOpenGL2PaintEngineState *s = state(); - bool doOffset = !(s->renderHints & QPainter::Antialiasing) && - (style == Qt::SolidPattern) && - !d->multisamplingAlwaysEnabled; - - if (doOffset) { - d->temporaryTransform = s->matrix; - QTransform tx = QTransform::fromTranslate(.49, .49); - s->matrix = s->matrix * tx; - d->matrixDirty = true; - } - + ensureActive(); d->setBrush(brush); d->fill(path); - - if (doOffset) { - s->matrix = d->temporaryTransform; - d->matrixDirty = true; - } } extern bool qt_scaleForTransform(const QTransform &transform, qreal *scale); // qtransform.cpp @@ -1308,9 +1008,8 @@ void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen) { Q_D(QGL2PaintEngineEx); - Qt::PenStyle penStyle = qpen_style(pen); const QBrush &penBrush = qpen_brush(pen); - if (penStyle == Qt::NoPen || qbrush_style(penBrush) == Qt::NoBrush) + if (qpen_style(pen) == Qt::NoPen || qbrush_style(penBrush) == Qt::NoBrush) return; QOpenGL2PaintEngineState *s = state(); @@ -1321,53 +1020,57 @@ void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen) } ensureActive(); + d->setBrush(penBrush); + d->stroke(path, pen); +} - bool doOffset = !(s->renderHints & QPainter::Antialiasing) && !d->multisamplingAlwaysEnabled; - if (doOffset) { - d->temporaryTransform = s->matrix; - QTransform tx = QTransform::fromTranslate(0.49, .49); - s->matrix = s->matrix * tx; - d->matrixDirty = true; +void QGL2PaintEngineExPrivate::stroke(const QVectorPath &path, const QPen &pen) +{ + const QOpenGL2PaintEngineState *s = q->state(); + const bool newAddOffset = !(s->renderHints & QPainter::Antialiasing) && !multisamplingAlwaysEnabled; + if (addOffset != newAddOffset) { + addOffset = newAddOffset; + matrixDirty = true; } - bool opaque = penBrush.isOpaque() && s->opacity > 0.99; - d->setBrush(penBrush); - d->transferMode(BrushDrawingMode); + if (snapToPixelGrid) { + snapToPixelGrid = false; + matrixDirty = true; + } + + const Qt::PenStyle penStyle = qpen_style(pen); + const QBrush &penBrush = qpen_brush(pen); + const bool opaque = penBrush.isOpaque() && s->opacity > 0.99; + + transferMode(BrushDrawingMode); // updateMatrix() is responsible for setting the inverse scale on // the strokers, so we need to call it here and not wait for // prepareForDraw() down below. - d->updateMatrix(); + updateMatrix(); if (penStyle == Qt::SolidLine) { - d->stroker.process(path, pen); + stroker.process(path, pen); } else { // Some sort of dash - d->dasher.process(path, pen); + dasher.process(path, pen); - QVectorPath dashStroke(d->dasher.points(), - d->dasher.elementCount(), - d->dasher.elementTypes()); - d->stroker.process(dashStroke, pen); + QVectorPath dashStroke(dasher.points(), + dasher.elementCount(), + dasher.elementTypes()); + stroker.process(dashStroke, pen); } - - QGLContext *ctx = d->ctx; - Q_UNUSED(ctx); - if (opaque) { - d->prepareForDraw(opaque); - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, false, 0, d->stroker.vertices()); - glDrawArrays(GL_TRIANGLE_STRIP, 0, d->stroker.vertexCount() / 2); + prepareForDraw(opaque); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, stroker.vertices()); + glDrawArrays(GL_TRIANGLE_STRIP, 0, stroker.vertexCount() / 2); // QBrush b(Qt::green); // d->setBrush(&b); // d->prepareForDraw(true); // glDrawArrays(GL_LINE_STRIP, 0, d->stroker.vertexCount() / 2); - glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR); - } else { qreal width = qpen_widthf(pen) / 2; if (width == 0) @@ -1377,30 +1080,25 @@ void QGL2PaintEngineEx::stroke(const QVectorPath &path, const QPen &pen) : width; if (pen.isCosmetic()) - extra = extra * d->inverseScale; + extra = extra * inverseScale; QRectF bounds = path.controlPointRect().adjusted(-extra, -extra, extra, extra); - d->fillStencilWithVertexArray(d->stroker.vertices(), d->stroker.vertexCount() / 2, + fillStencilWithVertexArray(stroker.vertices(), stroker.vertexCount() / 2, 0, 0, bounds, QGL2PaintEngineExPrivate::TriStripStrokeFillMode); glStencilOp(GL_KEEP, GL_REPLACE, GL_REPLACE); // Pass when any bit is set, replace stencil value with 0 glStencilFunc(GL_NOTEQUAL, 0, GL_STENCIL_HIGH_BIT); - d->prepareForDraw(false); + prepareForDraw(false); // Stencil the brush onto the dest buffer - d->composite(bounds); + composite(bounds); glStencilMask(0); - d->updateClipScissorTest(); - } - - if (doOffset) { - s->matrix = d->temporaryTransform; - d->matrixDirty = true; + updateClipScissorTest(); } } @@ -1440,7 +1138,7 @@ void QGL2PaintEngineEx::renderHintsChanged() #endif Q_D(QGL2PaintEngineEx); - d->lastTexture = GLuint(-1); + d->lastTextureUsed = GLuint(-1); d->brushTextureDirty = true; // qDebug("QGL2PaintEngineEx::renderHintsChanged() not implemented!"); } @@ -1518,8 +1216,7 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem { Q_D(QGL2PaintEngineEx); - if (!d->inRenderText) - ensureActive(); + ensureActive(); QOpenGL2PaintEngineState *s = state(); const QTextItemInt &ti = static_cast<const QTextItemInt &>(textItem); @@ -1538,7 +1235,7 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem ? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat) : d->glyphCacheType; - if (d->inRenderText || txtype > QTransform::TxTranslate) + if (txtype > QTransform::TxTranslate) glyphType = QFontEngineGlyphCache::Raster_A8; if (glyphType == QFontEngineGlyphCache::Raster_RGBMask @@ -1580,8 +1277,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly if (cache->width() == 0 || cache->height() == 0) return; - if (inRenderText) - transferMode(BrushDrawingMode); transferMode(TextDrawingMode); int margin = cache->glyphMargin(); @@ -1589,9 +1284,6 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly GLfloat dx = 1.0 / cache->width(); GLfloat dy = 1.0 / cache->height(); - QGLPoint *oldVertexCoordinateDataPtr = vertexCoordinateArray.data(); - QGLPoint *oldTextureCoordinateDataPtr = textureCoordinateArray.data(); - vertexCoordinateArray.clear(); textureCoordinateArray.clear(); @@ -1604,17 +1296,21 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly textureCoordinateArray.addRect(QRectF(c.x*dx, c.y*dy, c.w * dx, c.h * dy)); } - if (vertexCoordinateArray.data() != oldVertexCoordinateDataPtr) - glVertexAttribPointer(QT_VERTEX_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, vertexCoordinateArray.data()); - if (textureCoordinateArray.data() != oldTextureCoordinateDataPtr) - glVertexAttribPointer(QT_TEXTURE_COORDS_ATTR, 2, GL_FLOAT, GL_FALSE, 0, textureCoordinateArray.data()); + setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, (GLfloat*)vertexCoordinateArray.data()); + setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, (GLfloat*)textureCoordinateArray.data()); + + if (addOffset) { + addOffset = false; + matrixDirty = true; + } + if (!snapToPixelGrid) { + snapToPixelGrid = true; + matrixDirty = true; + } QBrush pensBrush = q->state()->pen.brush(); setBrush(pensBrush); - if (inRenderText) - prepareDepthRangeForRenderText(); - if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) { // Subpixel antialiasing without gamma correction @@ -1699,27 +1395,40 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::MaskTexture), QT_MASK_TEXTURE_UNIT); glDrawArrays(GL_TRIANGLES, 0, 6 * glyphs.size()); - - if (inRenderText) - restoreDepthRangeForRenderText(); } void QGL2PaintEngineEx::drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints) { + Q_D(QGL2PaintEngineEx); // Use fallback for extended composition modes. if (state()->composition_mode > QPainter::CompositionMode_Plus) { QPaintEngineEx::drawPixmaps(drawingData, dataCount, pixmap, hints); return; } - Q_D(QGL2PaintEngineEx); + ensureActive(); + d->drawPixmaps(drawingData, dataCount, pixmap, hints); +} + +void QGL2PaintEngineExPrivate::drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints) +{ GLfloat dx = 1.0f / pixmap.size().width(); GLfloat dy = 1.0f / pixmap.size().height(); - d->vertexCoordinateArray.clear(); - d->textureCoordinateArray.clear(); - d->opacityArray.reset(); + vertexCoordinateArray.clear(); + textureCoordinateArray.clear(); + opacityArray.reset(); + + if (addOffset) { + addOffset = false; + matrixDirty = true; + } + + if (snapToPixelGrid) { + snapToPixelGrid = false; + matrixDirty = true; + } bool allOpaque = true; @@ -1736,31 +1445,28 @@ void QGL2PaintEngineEx::drawPixmaps(const QDrawPixmaps::Data *drawingData, int d QGLPoint bottomRight(right * c - bottom * s, right * s + bottom * c); QGLPoint bottomLeft(-right * c - bottom * s, -right * s + bottom * c); - d->vertexCoordinateArray.lineToArray(bottomRight.x + drawingData[i].point.x(), bottomRight.y + drawingData[i].point.y()); - d->vertexCoordinateArray.lineToArray(-bottomLeft.x + drawingData[i].point.x(), -bottomLeft.y + drawingData[i].point.y()); - d->vertexCoordinateArray.lineToArray(-bottomRight.x + drawingData[i].point.x(), -bottomRight.y + drawingData[i].point.y()); - d->vertexCoordinateArray.lineToArray(-bottomRight.x + drawingData[i].point.x(), -bottomRight.y + drawingData[i].point.y()); - d->vertexCoordinateArray.lineToArray(bottomLeft.x + drawingData[i].point.x(), bottomLeft.y + drawingData[i].point.y()); - d->vertexCoordinateArray.lineToArray(bottomRight.x + drawingData[i].point.x(), bottomRight.y + drawingData[i].point.y()); + vertexCoordinateArray.lineToArray(bottomRight.x + drawingData[i].point.x(), bottomRight.y + drawingData[i].point.y()); + vertexCoordinateArray.lineToArray(-bottomLeft.x + drawingData[i].point.x(), -bottomLeft.y + drawingData[i].point.y()); + vertexCoordinateArray.lineToArray(-bottomRight.x + drawingData[i].point.x(), -bottomRight.y + drawingData[i].point.y()); + vertexCoordinateArray.lineToArray(-bottomRight.x + drawingData[i].point.x(), -bottomRight.y + drawingData[i].point.y()); + vertexCoordinateArray.lineToArray(bottomLeft.x + drawingData[i].point.x(), bottomLeft.y + drawingData[i].point.y()); + vertexCoordinateArray.lineToArray(bottomRight.x + drawingData[i].point.x(), bottomRight.y + drawingData[i].point.y()); QGLRect src(drawingData[i].source.left() * dx, drawingData[i].source.top() * dy, drawingData[i].source.right() * dx, drawingData[i].source.bottom() * dy); - d->textureCoordinateArray.lineToArray(src.right, src.bottom); - d->textureCoordinateArray.lineToArray(src.right, src.top); - d->textureCoordinateArray.lineToArray(src.left, src.top); - d->textureCoordinateArray.lineToArray(src.left, src.top); - d->textureCoordinateArray.lineToArray(src.left, src.bottom); - d->textureCoordinateArray.lineToArray(src.right, src.bottom); + textureCoordinateArray.lineToArray(src.right, src.bottom); + textureCoordinateArray.lineToArray(src.right, src.top); + textureCoordinateArray.lineToArray(src.left, src.top); + textureCoordinateArray.lineToArray(src.left, src.top); + textureCoordinateArray.lineToArray(src.left, src.bottom); + textureCoordinateArray.lineToArray(src.right, src.bottom); - qreal opacity = drawingData[i].opacity * state()->opacity; - d->opacityArray << opacity << opacity << opacity << opacity << opacity << opacity; + qreal opacity = drawingData[i].opacity * q->state()->opacity; + opacityArray << opacity << opacity << opacity << opacity << opacity << opacity; allOpaque &= (opacity >= 0.99f); } - ensureActive(); - - QGLContext *ctx = d->ctx; glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); QGLTexture *texture = ctx->d_func()->bindTexture(pixmap, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption @@ -1768,27 +1474,28 @@ void QGL2PaintEngineEx::drawPixmaps(const QDrawPixmaps::Data *drawingData, int d if (texture->options & QGLContext::InvertedYBindOption) { // Flip texture y-coordinate. - QGLPoint *data = d->textureCoordinateArray.data(); + QGLPoint *data = textureCoordinateArray.data(); for (int i = 0; i < 6 * dataCount; ++i) data[i].y = 1 - data[i].y; } - d->transferMode(ImageArrayDrawingMode); + transferMode(ImageArrayDrawingMode); bool isBitmap = pixmap.isQBitmap(); bool isOpaque = !isBitmap && (!pixmap.hasAlphaChannel() || (hints & QDrawPixmaps::OpaqueHint)) && allOpaque; - d->updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE, - state()->renderHints & QPainter::SmoothPixmapTransform, texture->id); + updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE, + q->state()->renderHints & QPainter::SmoothPixmapTransform, texture->id); // Setup for texture drawing - d->shaderManager->setSrcPixelType(isBitmap ? QGLEngineShaderManager::PatternSrc : QGLEngineShaderManager::ImageSrc); - if (d->prepareForDraw(isOpaque)) - d->shaderManager->currentProgram()->setUniformValue(d->location(QGLEngineShaderManager::ImageTexture), QT_IMAGE_TEXTURE_UNIT); + currentBrush = noBrush; + shaderManager->setSrcPixelType(isBitmap ? QGLEngineShaderManager::PatternSrc : QGLEngineShaderManager::ImageSrc); + if (prepareForDraw(isOpaque)) + shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::ImageTexture), QT_IMAGE_TEXTURE_UNIT); if (isBitmap) { - QColor col = qt_premultiplyColor(state()->pen.color(), (GLfloat)state()->opacity); - d->shaderManager->currentProgram()->setUniformValue(d->location(QGLEngineShaderManager::PatternColor), col); + QColor col = qt_premultiplyColor(q->state()->pen.color(), (GLfloat)q->state()->opacity); + shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col); } glDrawArrays(GL_TRIANGLES, 0, 6 * dataCount); @@ -1820,7 +1527,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev) d->compositionModeDirty = true; d->opacityUniformDirty = true; d->needsSync = true; - d->use_system_clip = !systemClip().isEmpty(); + d->useSystemClip = !systemClip().isEmpty(); d->currentBrush = QBrush(); d->dirtyStencilRegion = QRect(0, 0, d->width, d->height); @@ -1840,11 +1547,9 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev) d->shaderManager = new QGLEngineShaderManager(d->ctx); - if (!d->inRenderText) { - glDisable(GL_STENCIL_TEST); - glDisable(GL_DEPTH_TEST); - glDisable(GL_SCISSOR_TEST); - } + glDisable(GL_STENCIL_TEST); + glDisable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); #if !defined(QT_OPENGL_ES_2) glDisable(GL_MULTISAMPLE); @@ -1854,6 +1559,7 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev) #if !defined(QT_OPENGL_ES_2) #if defined(Q_WS_WIN) + extern Q_GUI_EXPORT bool qt_cleartype_enabled; if (qt_cleartype_enabled) #endif d->glyphCacheType = QFontEngineGlyphCache::Raster_RGBMask; @@ -1921,6 +1627,9 @@ void QGL2PaintEngineEx::ensureActive() glViewport(0, 0, d->width, d->height); d->needsSync = false; d->shaderManager->setDirty(); + d->ctx->d_func()->syncGlState(); + for (int i = 0; i < 3; ++i) + d->vertexAttribPointers[i] = (GLfloat*)-1; // Assume the pointers are clobbered setState(state()); } } @@ -1941,12 +1650,12 @@ void QGL2PaintEngineExPrivate::updateClipScissorTest() #else QRect bounds = q->state()->rectangleClip; if (!q->state()->clipEnabled) { - if (use_system_clip) + if (useSystemClip) bounds = systemClip.boundingRect(); else bounds = QRect(0, 0, width, height); } else { - if (use_system_clip) + if (useSystemClip) bounds = bounds.intersected(systemClip.boundingRect()); else bounds = bounds.intersected(QRect(0, 0, width, height)); @@ -2001,6 +1710,15 @@ void QGL2PaintEngineExPrivate::writeClip(const QVectorPath &path, uint value) { transferMode(BrushDrawingMode); + if (addOffset) { + addOffset = false; + matrixDirty = true; + } + if (snapToPixelGrid) { + snapToPixelGrid = false; + matrixDirty = true; + } + if (matrixDirty) updateMatrix(); @@ -2100,7 +1818,7 @@ void QGL2PaintEngineEx::clip(const QVectorPath &path, Qt::ClipOperation op) switch (op) { case Qt::NoClip: - if (d->use_system_clip) { + if (d->useSystemClip) { state()->clipTestEnabled = true; state()->currentClip = 1; } else { @@ -2172,13 +1890,13 @@ void QGL2PaintEngineExPrivate::systemStateChanged() q->state()->clipChanged = true; if (systemClip.isEmpty()) { - use_system_clip = false; + useSystemClip = false; } else { if (q->paintDevice()->devType() == QInternal::Widget && currentClipWidget) { QWidgetPrivate *widgetPrivate = qt_widget_private(currentClipWidget->window()); - use_system_clip = widgetPrivate->extra && widgetPrivate->extra->inRenderWithPainter; + useSystemClip = widgetPrivate->extra && widgetPrivate->extra->inRenderWithPainter; } else { - use_system_clip = true; + useSystemClip = true; } } @@ -2188,19 +1906,19 @@ void QGL2PaintEngineExPrivate::systemStateChanged() q->state()->currentClip = 1; maxClip = 1; - q->state()->rectangleClip = use_system_clip ? systemClip.boundingRect() : QRect(0, 0, width, height); + q->state()->rectangleClip = useSystemClip ? systemClip.boundingRect() : QRect(0, 0, width, height); updateClipScissorTest(); if (systemClip.rectCount() == 1) { if (systemClip.boundingRect() == QRect(0, 0, width, height)) - use_system_clip = false; + useSystemClip = false; #ifndef QT_GL_NO_SCISSOR_TEST // scissoring takes care of the system clip return; #endif } - if (use_system_clip) { + if (useSystemClip) { clearClip(0); QPainterPath path; @@ -2279,12 +1997,6 @@ QPainterState *QGL2PaintEngineEx::createState(QPainterState *orig) const return s; } -void QGL2PaintEngineEx::setRenderTextActive(bool active) -{ - Q_D(QGL2PaintEngineEx); - d->inRenderText = active; -} - QOpenGL2PaintEngineState::QOpenGL2PaintEngineState(QOpenGL2PaintEngineState &other) : QPainterState(other) { @@ -2309,5 +2021,3 @@ QOpenGL2PaintEngineState::~QOpenGL2PaintEngineState() } QT_END_NAMESPACE - -#include "qpaintengineex_opengl2.moc" diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h index f1ec6e6..ce1b538 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -73,6 +73,12 @@ enum EngineMode { QT_BEGIN_NAMESPACE +#define GL_STENCIL_HIGH_BIT GLuint(0x80) +#define QT_BRUSH_TEXTURE_UNIT GLuint(0) +#define QT_IMAGE_TEXTURE_UNIT GLuint(0) //Can be the same as brush texture unit +#define QT_MASK_TEXTURE_UNIT GLuint(1) +#define QT_BACKGROUND_TEXTURE_UNIT GLuint(2) + class QGL2PaintEngineExPrivate; @@ -105,13 +111,8 @@ public: ~QGL2PaintEngineEx(); bool begin(QPaintDevice *device); - bool end(); - void ensureActive(); - - virtual void fill(const QVectorPath &path, const QBrush &brush); - virtual void stroke(const QVectorPath &path, const QPen &pen); - virtual void clip(const QVectorPath &path, Qt::ClipOperation op); + bool end(); virtual void clipEnabledChanged(); virtual void penChanged(); @@ -122,20 +123,21 @@ public: virtual void renderHintsChanged(); virtual void transformChanged(); - + virtual void drawTexture(const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr); virtual void drawPixmap(const QRectF &r, const QPixmap &pm, const QRectF &sr); + virtual void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints); virtual void drawImage(const QRectF &r, const QImage &pm, const QRectF &sr, Qt::ImageConversionFlags flags = Qt::AutoColor); - virtual void drawTexture(const QRectF &r, GLuint textureId, const QSize &size, const QRectF &sr); - virtual void drawTextItem(const QPointF &p, const QTextItem &textItem); + virtual void fill(const QVectorPath &path, const QBrush &brush); + virtual void stroke(const QVectorPath &path, const QPen &pen); + virtual void clip(const QVectorPath &path, Qt::ClipOperation op); - virtual void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints); Type type() const { return OpenGL2; } - void setState(QPainterState *s); - QPainterState *createState(QPainterState *orig) const; + virtual void setState(QPainterState *s); + virtual QPainterState *createState(QPainterState *orig) const; inline QOpenGL2PaintEngineState *state() { return static_cast<QOpenGL2PaintEngineState *>(QPaintEngineEx::state()); } @@ -146,8 +148,6 @@ public: void beginNativePainting(); void endNativePainting(); - const QGLContext* context(); - QPixmapFilter *pixmapFilter(int type, const QPixmapFilter *prototype); void setRenderTextActive(bool); @@ -169,11 +169,13 @@ public: QGL2PaintEngineExPrivate(QGL2PaintEngineEx *q_ptr) : q(q_ptr), + shaderManager(0), width(0), height(0), ctx(0), - inverseScale(1), - shaderManager(0), - inRenderText(false) + useSystemClip(true), + snapToPixelGrid(false), + addOffset(false), + inverseScale(1) { } ~QGL2PaintEngineExPrivate(); @@ -184,45 +186,61 @@ public: void updateCompositionMode(); void updateTextureFilter(GLenum target, GLenum wrapMode, bool smoothPixmapTransform, GLuint id = -1); - void setBrush(const QBrush& brush); - - void transferMode(EngineMode newMode); void resetGLState(); - // fill, drawOutline, drawTexture & drawCachedGlyphs are the rendering entry points: + // fill, stroke, drawTexture, drawPixmaps & drawCachedGlyphs are the main rendering entry-points, + // however writeClip can also be thought of as en entry point as it does similar things. void fill(const QVectorPath &path); + void stroke(const QVectorPath &path, const QPen &pen); void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize, bool opaque, bool pattern = false); + void drawPixmaps(const QDrawPixmaps::Data *drawingData, int dataCount, const QPixmap &pixmap, QDrawPixmaps::DrawingHints hints); void drawCachedGlyphs(const QPointF &p, QFontEngineGlyphCache::Type glyphType, const QTextItemInt &ti); + // Calls glVertexAttributePointer if the pointer has changed + inline void setVertexAttributePointer(unsigned int arrayIndex, const GLfloat *pointer); + + // draws whatever is in the vertex array: void drawVertexArrays(const float *data, int *stops, int stopCount, GLenum primitive); void drawVertexArrays(QGL2PEXVertexArray &vertexArray, GLenum primitive) { drawVertexArrays((const float *) vertexArray.data(), vertexArray.stops(), vertexArray.stopCount(), primitive); } - // ^ draws whatever is in the vertex array + // Composites the bounding rect onto dest buffer: void composite(const QGLRect& boundingRect); - // ^ Composites the bounding rect onto dest buffer + // Calls drawVertexArrays to render into stencil buffer: void fillStencilWithVertexArray(const float *data, int count, int *stops, int stopCount, const QGLRect &bounds, StencilFillMode mode); void fillStencilWithVertexArray(QGL2PEXVertexArray& vertexArray, bool useWindingFill) { fillStencilWithVertexArray((const float *) vertexArray.data(), 0, vertexArray.stops(), vertexArray.stopCount(), vertexArray.boundingRect(), useWindingFill ? WindingFillMode : OddEvenFillMode); } - // ^ Calls drawVertexArrays to render into stencil buffer - - bool prepareForDraw(bool srcPixelsAreOpaque); - // ^ returns whether the current program changed or not + void setBrush(const QBrush& brush); + void transferMode(EngineMode newMode); + bool prepareForDraw(bool srcPixelsAreOpaque); // returns true if the program has changed inline void useSimpleShader(); + inline GLuint location(const QGLEngineShaderManager::Uniform uniform) { + return shaderManager->getUniformLocation(uniform); + } + + void clearClip(uint value); + void writeClip(const QVectorPath &path, uint value); + void resetClipIfNeeded(); + + void updateClipScissorTest(); + void setScissor(const QRect &rect); + void regenerateClip(); + void systemStateChanged(); - void prepareDepthRangeForRenderText(); - void restoreDepthRangeForRenderText(); static QGLEngineShaderManager* shaderManagerForEngine(QGL2PaintEngineEx *engine) { return engine->d_func()->shaderManager; } static QGL2PaintEngineExPrivate *getData(QGL2PaintEngineEx *engine) { return engine->d_func(); } + static void cleanupVectorPath(QPaintEngineEx *engine, void *data); + QGL2PaintEngineEx* q; + QGLEngineShaderManager* shaderManager; QGLPaintDevice* device; int width, height; QGLContext *ctx; @@ -239,44 +257,28 @@ public: bool opacityUniformDirty; bool stencilClean; // Has the stencil not been used for clipping so far? + bool useSystemClip; QRegion dirtyStencilRegion; QRect currentScissorBounds; uint maxClip; QBrush currentBrush; // May not be the state's brush! - - GLfloat inverseScale; + const QBrush noBrush; QGL2PEXVertexArray vertexCoordinateArray; QGL2PEXVertexArray textureCoordinateArray; QDataBuffer<GLfloat> opacityArray; - GLfloat staticVertexCoordinateArray[8]; GLfloat staticTextureCoordinateArray[8]; + bool snapToPixelGrid; + bool addOffset; // When enabled, adds a 0.49,0.49 offset to matrix in updateMatrix GLfloat pmvMatrix[3][3]; + GLfloat inverseScale; - QGLEngineShaderManager* shaderManager; - - void clearClip(uint value); - void writeClip(const QVectorPath &path, uint value); - void resetClipIfNeeded(); - - void updateClipScissorTest(); - void setScissor(const QRect &rect); - void regenerateClip(); - void systemStateChanged(); - uint use_system_clip : 1; - - uint location(QGLEngineShaderManager::Uniform uniform) - { - return shaderManager->getUniformLocation(uniform); - } - - GLuint lastTexture; + GLuint lastTextureUsed; bool needsSync; - bool inRenderText; bool multisamplingAlwaysEnabled; GLfloat depthRange[2]; @@ -285,7 +287,6 @@ public: QTriangulatingStroker stroker; QDashedStrokeProcessor dasher; - QTransform temporaryTransform; QScopedPointer<QPixmapFilter> convolutionFilter; QScopedPointer<QPixmapFilter> colorizeFilter; @@ -294,8 +295,24 @@ public: QSet<QVectorPath::CacheEntry *> pathCaches; QVector<GLuint> unusedVBOSToClean; + + const GLfloat *vertexAttribPointers[3]; }; + +void QGL2PaintEngineExPrivate::setVertexAttributePointer(unsigned int arrayIndex, const GLfloat *pointer) +{ + Q_ASSERT(arrayIndex < 3); + if (pointer == vertexAttribPointers[arrayIndex]) + return; + + vertexAttribPointers[arrayIndex] = pointer; + if (arrayIndex == QT_OPACITY_ATTR) + glVertexAttribPointer(arrayIndex, 1, GL_FLOAT, GL_FALSE, 0, pointer); + else + glVertexAttribPointer(arrayIndex, 2, GL_FLOAT, GL_FALSE, 0, pointer); +} + QT_END_NAMESPACE #endif diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp new file mode 100644 index 0000000..fed1658 --- /dev/null +++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl.cpp @@ -0,0 +1,245 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#include "qtextureglyphcache_gl_p.h" +#include "qpaintengineex_opengl2_p.h" + +#ifdef Q_WS_WIN +extern Q_GUI_EXPORT bool qt_cleartype_enabled; +#endif + +QGLTextureGlyphCache::QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix) + : QTextureGlyphCache(type, matrix) + , ctx(context) + , m_width(0) + , m_height(0) +{ + glGenFramebuffers(1, &m_fbo); + connect(QGLSignalProxy::instance(), SIGNAL(aboutToDestroyContext(const QGLContext*)), + SLOT(contextDestroyed(const QGLContext*))); +} + +QGLTextureGlyphCache::~QGLTextureGlyphCache() +{ + if (ctx) { + QGLShareContextScope scope(ctx); + glDeleteFramebuffers(1, &m_fbo); + + if (m_width || m_height) + glDeleteTextures(1, &m_texture); + } +} + +void QGLTextureGlyphCache::createTextureData(int width, int height) +{ + glGenTextures(1, &m_texture); + glBindTexture(GL_TEXTURE_2D, m_texture); + + m_width = width; + m_height = height; + + QVarLengthArray<uchar> data(width * height); + for (int i = 0; i < data.size(); ++i) + data[i] = 0; + + if (m_type == QFontEngineGlyphCache::Raster_RGBMask) + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]); + else + glTexImage2D(GL_TEXTURE_2D, 0, GL_ALPHA, width, height, 0, GL_ALPHA, GL_UNSIGNED_BYTE, &data[0]); + + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); +} + +void QGLTextureGlyphCache::resizeTextureData(int width, int height) +{ + // ### the QTextureGlyphCache API needs to be reworked to allow + // ### resizeTextureData to fail + + int oldWidth = m_width; + int oldHeight = m_height; + + GLuint oldTexture = m_texture; + createTextureData(width, height); + + glBindFramebuffer(GL_FRAMEBUFFER_EXT, m_fbo); + + GLuint tmp_texture; + glGenTextures(1, &tmp_texture); + glBindTexture(GL_TEXTURE_2D, tmp_texture); + glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, oldWidth, oldHeight, 0, + GL_RGBA, GL_UNSIGNED_BYTE, NULL); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE); + glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE); + glBindTexture(GL_TEXTURE_2D, 0); + glFramebufferTexture2D(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, + GL_TEXTURE_2D, tmp_texture, 0); + + glActiveTexture(GL_TEXTURE0 + QT_IMAGE_TEXTURE_UNIT); + glBindTexture(GL_TEXTURE_2D, oldTexture); + + pex->transferMode(BrushDrawingMode); + + glDisable(GL_STENCIL_TEST); + glDisable(GL_DEPTH_TEST); + glDisable(GL_SCISSOR_TEST); + glDisable(GL_BLEND); + + glViewport(0, 0, oldWidth, oldHeight); + + GLfloat* vertexCoordinateArray = pex->staticVertexCoordinateArray; + vertexCoordinateArray[0] = -1.0f; + vertexCoordinateArray[1] = -1.0f; + vertexCoordinateArray[2] = 1.0f; + vertexCoordinateArray[3] = -1.0f; + vertexCoordinateArray[4] = 1.0f; + vertexCoordinateArray[5] = 1.0f; + vertexCoordinateArray[6] = -1.0f; + vertexCoordinateArray[7] = 1.0f; + + GLfloat* textureCoordinateArray = pex->staticTextureCoordinateArray; + textureCoordinateArray[0] = 0.0f; + textureCoordinateArray[1] = 0.0f; + textureCoordinateArray[2] = 1.0f; + textureCoordinateArray[3] = 0.0f; + textureCoordinateArray[4] = 1.0f; + textureCoordinateArray[5] = 1.0f; + textureCoordinateArray[6] = 0.0f; + textureCoordinateArray[7] = 1.0f; + + pex->setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, vertexCoordinateArray); + pex->setVertexAttributePointer(QT_TEXTURE_COORDS_ATTR, textureCoordinateArray); + + pex->shaderManager->useBlitProgram(); + pex->shaderManager->blitProgram()->setUniformValue("imageTexture", QT_IMAGE_TEXTURE_UNIT); + + glDrawArrays(GL_TRIANGLE_FAN, 0, 4); + + glBindTexture(GL_TEXTURE_2D, m_texture); + +#ifdef QT_OPENGL_ES_2 + QDataBuffer<uchar> buffer(4*oldWidth*oldHeight); + buffer.resize(4*oldWidth*oldHeight); + glReadPixels(0, 0, oldWidth, oldHeight, GL_RGBA, GL_UNSIGNED_BYTE, buffer.data()); + + // do an in-place conversion from GL_RGBA to GL_ALPHA + for (int i=0; i<oldWidth*oldHeight; ++i) + buffer.data()[i] = buffer.at(4*i + 3); + + glTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, oldWidth, oldHeight, + GL_ALPHA, GL_UNSIGNED_BYTE, buffer.data()); +#else + glCopyTexSubImage2D(GL_TEXTURE_2D, 0, 0, 0, 0, 0, oldWidth, oldHeight); +#endif + + glFramebufferRenderbuffer(GL_FRAMEBUFFER_EXT, GL_COLOR_ATTACHMENT0_EXT, + GL_RENDERBUFFER_EXT, 0); + glDeleteTextures(1, &tmp_texture); + glDeleteTextures(1, &oldTexture); + + glBindFramebuffer(GL_FRAMEBUFFER_EXT, ctx->d_ptr->current_fbo); + + glViewport(0, 0, pex->width, pex->height); + pex->updateClipScissorTest(); +} + +void QGLTextureGlyphCache::fillTexture(const Coord &c, glyph_t glyph) +{ + QImage mask = textureMapForGlyph(glyph); + const int maskWidth = mask.width(); + const int maskHeight = mask.height(); + + if (mask.format() == QImage::Format_Mono) { + mask = mask.convertToFormat(QImage::Format_Indexed8); + for (int y = 0; y < maskHeight; ++y) { + uchar *src = (uchar *) mask.scanLine(y); + for (int x = 0; x < maskWidth; ++x) + src[x] = -src[x]; // convert 0 and 1 into 0 and 255 + } + } else if (mask.format() == QImage::Format_RGB32) { + // Make the alpha component equal to the average of the RGB values. + // This is needed when drawing sub-pixel antialiased text on translucent targets. + for (int y = 0; y < maskHeight; ++y) { + quint32 *src = (quint32 *) mask.scanLine(y); + for (int x = 0; x < maskWidth; ++x) { + uchar r = src[x] >> 16; + uchar g = src[x] >> 8; + uchar b = src[x]; + quint32 avg = (quint32(r) + quint32(g) + quint32(b) + 1) / 3; // "+1" for rounding. + src[x] = (src[x] & 0x00ffffff) | (avg << 24); + } + } + } + + glBindTexture(GL_TEXTURE_2D, m_texture); + if (mask.format() == QImage::Format_RGB32) { + glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_BGRA, GL_UNSIGNED_BYTE, mask.bits()); + } else { +#ifdef QT_OPENGL_ES2 + glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y, maskWidth, maskHeight, GL_ALPHA, GL_UNSIGNED_BYTE, mask.bits()); +#else + // glTexSubImage2D() might cause some garbage to appear in the texture if the mask width is + // not a multiple of four bytes. The bug appeared on a computer with 32-bit Windows Vista + // and nVidia GeForce 8500GT. GL_UNPACK_ALIGNMENT is set to four bytes, 'mask' has a + // multiple of four bytes per line, and most of the glyph shows up correctly in the + // texture, which makes me think that this is a driver bug. + // One workaround is to make sure the mask width is a multiple of four bytes, for instance + // by converting it to a format with four bytes per pixel. Another is to copy one line at a + // time. + + for (int i = 0; i < maskHeight; ++i) + glTexSubImage2D(GL_TEXTURE_2D, 0, c.x, c.y + i, maskWidth, 1, GL_ALPHA, GL_UNSIGNED_BYTE, mask.scanLine(i)); +#endif + } +} + +int QGLTextureGlyphCache::glyphMargin() const +{ +#if defined(Q_WS_MAC) + return 2; +#elif defined (Q_WS_X11) + return 0; +#else + return m_type == QFontEngineGlyphCache::Raster_RGBMask ? 2 : 0; +#endif +} diff --git a/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h new file mode 100644 index 0000000..2a8a782 --- /dev/null +++ b/src/opengl/gl2paintengineex/qtextureglyphcache_gl_p.h @@ -0,0 +1,123 @@ +/**************************************************************************** +** +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). +** All rights reserved. +** Contact: Nokia Corporation (qt-info@nokia.com) +** +** This file is part of the QtOpenGL module of the Qt Toolkit. +** +** $QT_BEGIN_LICENSE:LGPL$ +** No Commercial Usage +** This file contains pre-release code and may not be distributed. +** You may use this file in accordance with the terms and conditions +** contained in the Technology Preview License Agreement accompanying +** this package. +** +** GNU Lesser General Public License Usage +** Alternatively, this file may be used under the terms of the GNU Lesser +** General Public License version 2.1 as published by the Free Software +** Foundation and appearing in the file LICENSE.LGPL included in the +** packaging of this file. Please review the following information to +** ensure the GNU Lesser General Public License version 2.1 requirements +** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. +** +** In addition, as a special exception, Nokia gives you certain additional +** rights. These rights are described in the Nokia Qt LGPL Exception +** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. +** +** If you have questions regarding the use of this file, please contact +** Nokia at qt-info@nokia.com. +** +** +** +** +** +** +** +** +** $QT_END_LICENSE$ +** +****************************************************************************/ + +#ifndef QTEXTUREGLYPHCACHE_GL_P_H +#define QTEXTUREGLYPHCACHE_GL_P_H + +// +// W A R N I N G +// ------------- +// +// This file is not part of the Qt API. It exists for the convenience +// of the QLibrary class. This header file may change from +// version to version without notice, or even be removed. +// +// We mean it. +// + +#include <private/qtextureglyphcache_p.h> +#include <private/qgl_p.h> +#include <qglshaderprogram.h> + + +QT_BEGIN_NAMESPACE + +class QGL2PaintEngineExPrivate; + +class QGLTextureGlyphCache : public QObject, public QTextureGlyphCache +{ + Q_OBJECT +public: + QGLTextureGlyphCache(QGLContext *context, QFontEngineGlyphCache::Type type, const QTransform &matrix); + ~QGLTextureGlyphCache(); + + virtual void createTextureData(int width, int height); + virtual void resizeTextureData(int width, int height); + virtual void fillTexture(const Coord &c, glyph_t glyph); + virtual int glyphMargin() const; + + inline GLuint texture() const { return m_texture; } + + inline int width() const { return m_width; } + inline int height() const { return m_height; } + + inline void setPaintEnginePrivate(QGL2PaintEngineExPrivate *p) { pex = p; } + + +public Q_SLOTS: + void contextDestroyed(const QGLContext *context) { + if (context == ctx) { + const QGLContext *nextCtx = qt_gl_transfer_context(ctx); + if (!nextCtx) { + // the context may not be current, so we cannot directly + // destroy the fbo and texture here, but since the context + // is about to be destroyed, the GL server will do the + // clean up for us anyway + m_fbo = 0; + m_texture = 0; + ctx = 0; + } else { + // since the context holding the texture is shared, and + // about to be destroyed, we have to transfer ownership + // of the texture to one of the share contexts + ctx = const_cast<QGLContext *>(nextCtx); + } + } + } + +private: + QGLContext *ctx; + + QGL2PaintEngineExPrivate *pex; + + GLuint m_texture; + GLuint m_fbo; + + int m_width; + int m_height; + + QGLShaderProgram *m_program; +}; + +QT_END_NAMESPACE + +#endif + diff --git a/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp b/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp index 395b8a3..5229d3f 100644 --- a/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp +++ b/src/opengl/gl2paintengineex/qtriangulatingstroker.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h b/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h index 2dba0ce..06b8a44 100644 --- a/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h +++ b/src/opengl/gl2paintengineex/qtriangulatingstroker_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/opengl.pro b/src/opengl/opengl.pro index b2474ed..6076891 100644 --- a/src/opengl/opengl.pro +++ b/src/opengl/opengl.pro @@ -54,7 +54,8 @@ SOURCES += qgl.cpp \ gl2paintengineex/qpaintengineex_opengl2_p.h \ gl2paintengineex/qglengineshadersource_p.h \ gl2paintengineex/qglcustomshaderstage_p.h \ - gl2paintengineex/qtriangulatingstroker_p.h + gl2paintengineex/qtriangulatingstroker_p.h \ + gl2paintengineex/qtextureglyphcache_gl_p.h SOURCES += qglshaderprogram.cpp \ qglpixmapfilter.cpp \ @@ -67,7 +68,8 @@ SOURCES += qgl.cpp \ gl2paintengineex/qgl2pexvertexarray.cpp \ gl2paintengineex/qpaintengineex_opengl2.cpp \ gl2paintengineex/qglcustomshaderstage.cpp \ - gl2paintengineex/qtriangulatingstroker.cpp + gl2paintengineex/qtriangulatingstroker.cpp \ + gl2paintengineex/qtextureglyphcache_gl.cpp } diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp index 466e851..3f32cf3 100644 --- a/src/opengl/qgl.cpp +++ b/src/opengl/qgl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -124,9 +124,6 @@ public: }; Q_GLOBAL_STATIC(QGLDefaultOverlayFormat, defaultOverlayFormatInstance) -QGLExtensions::Extensions QGLExtensions::glExtensions = 0; -bool QGLExtensions::nvidiaFboNeedsFinish = false; - Q_GLOBAL_STATIC(QGLSignalProxy, theSignalProxy) QGLSignalProxy *QGLSignalProxy::instance() { @@ -154,11 +151,9 @@ public: // falling back to the GL 1 engine.. static bool mac_x1600_check_done = false; if (!mac_x1600_check_done) { - QGLWidget *tmp = 0; - if (!QGLContext::currentContext()) { - tmp = new QGLWidget(); - tmp->makeCurrent(); - } + QGLTemporaryContext *tmp = 0; + if (!QGLContext::currentContext()) + tmp = new QGLTemporaryContext(); if (strstr((char *) glGetString(GL_RENDERER), "X1600")) engineType = QPaintEngine::OpenGL; if (tmp) @@ -178,7 +173,7 @@ public: // from an old GL 1.1 server to a GL 2.x client. In that case we can't // use GL 2.0. if ((QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0) - && (QGLExtensions::glExtensions & QGLExtensions::FragmentShader) + && (QGLExtensions::glExtensions() & QGLExtensions::FragmentShader) && qgetenv("QT_GL_USE_OPENGL1ENGINE").isEmpty()) engineType = QPaintEngine::OpenGL2; else @@ -1250,7 +1245,7 @@ QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags() static bool cachedDefault = false; static OpenGLVersionFlags defaultVersionFlags = OpenGL_Version_None; QGLContext *currentCtx = const_cast<QGLContext *>(QGLContext::currentContext()); - QGLWidget *dummy = 0; + QGLTemporaryContext *tmpContext = 0; if (currentCtx && currentCtx->d_func()->version_flags_cached) return currentCtx->d_func()->version_flags; @@ -1261,8 +1256,7 @@ QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags() } else { if (!hasOpenGL()) return defaultVersionFlags; - dummy = new QGLWidget; - dummy->makeCurrent(); // glGetString() needs a current context + tmpContext = new QGLTemporaryContext; cachedDefault = true; } } @@ -1273,9 +1267,9 @@ QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags() currentCtx->d_func()->version_flags_cached = true; currentCtx->d_func()->version_flags = versionFlags; } - if (dummy) { + if (tmpContext) { defaultVersionFlags = versionFlags; - delete dummy; + delete tmpContext; } return versionFlags; @@ -1436,6 +1430,18 @@ void QGLContextGroup::removeGuard(QGLSharedResourceGuard *guard) m_guards = guard->m_next; } +const QGLContext *qt_gl_transfer_context(const QGLContext *ctx) +{ + if (!ctx) + return 0; + QList<const QGLContext *> shares + (QGLContextPrivate::contextGroup(ctx)->shares()); + if (shares.size() >= 2) + return (ctx == shares.at(0)) ? shares.at(1) : shares.at(0); + else + return 0; +} + QGLContextPrivate::~QGLContextPrivate() { if (!group->m_refs.deref()) { @@ -1481,9 +1487,13 @@ void QGLContextPrivate::init(QPaintDevice *dev, const QGLFormat &format) max_texture_size = -1; version_flags_cached = false; version_flags = QGLFormat::OpenGL_Version_None; + extension_flags_cached = false; + extension_flags = 0; current_fbo = 0; default_fbo = 0; active_engine = 0; + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) + vertexAttributeArraysEnabledState[i] = false; } QGLContext* QGLContext::currentCtx = 0; @@ -1541,7 +1551,7 @@ QImage qt_gl_read_framebuffer(const QSize &size, bool alpha_format, bool include QImage qt_gl_read_texture(const QSize &size, bool alpha_format, bool include_alpha) { - QImage img(size, alpha_format ? QImage::Format_ARGB32 : QImage::Format_RGB32); + QImage img(size, alpha_format ? QImage::Format_ARGB32_Premultiplied : QImage::Format_RGB32); int w = size.width(); int h = size.height(); #if !defined(QT_OPENGL_ES_2) && !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL) @@ -1729,12 +1739,6 @@ struct DDSFormat { #define GL_GENERATE_MIPMAP_HINT_SGIS 0x8192 #endif -Q_GLOBAL_STATIC(QGLShareRegister, _qgl_share_reg) -Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg() -{ - return _qgl_share_reg(); -} - /*! \class QGLContext \brief The QGLContext class encapsulates an OpenGL rendering context. @@ -1874,6 +1878,35 @@ void QGLContextPrivate::cleanup() { } +#define ctx q_ptr +void QGLContextPrivate::setVertexAttribArrayEnabled(int arrayIndex, bool enabled) +{ + Q_ASSERT(arrayIndex < QT_GL_VERTEX_ARRAY_TRACKED_COUNT); + Q_ASSERT(glEnableVertexAttribArray); + + if (vertexAttributeArraysEnabledState[arrayIndex] && !enabled) + glDisableVertexAttribArray(arrayIndex); + + if (!vertexAttributeArraysEnabledState[arrayIndex] && enabled) + glEnableVertexAttribArray(arrayIndex); + + vertexAttributeArraysEnabledState[arrayIndex] = enabled; +} + +void QGLContextPrivate::syncGlState() +{ + Q_ASSERT(glEnableVertexAttribArray); + for (int i = 0; i < QT_GL_VERTEX_ARRAY_TRACKED_COUNT; ++i) { + if (vertexAttributeArraysEnabledState[i]) + glEnableVertexAttribArray(i); + else + glDisableVertexAttribArray(i); + } + +} +#undef ctx + + /*! \overload @@ -2110,7 +2143,7 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G int tx_h = qt_next_power_of_two(image.height()); QImage img = image; - if (!(QGLExtensions::glExtensions & QGLExtensions::NPOTTextures) + if (!(QGLExtensions::glExtensions() & QGLExtensions::NPOTTextures) && !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_ES_Version_2_0) && (target == GL_TEXTURE_2D && (tx_w != image.width() || tx_h != image.height()))) { @@ -2132,7 +2165,7 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G bool genMipmap = false; #endif if (glFormat.directRendering() - && (QGLExtensions::glExtensions & QGLExtensions::GenerateMipmap) + && (QGLExtensions::glExtensions() & QGLExtensions::GenerateMipmap) && target == GL_TEXTURE_2D && (options & QGLContext::MipmapBindOption)) { @@ -2160,9 +2193,12 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G bool premul = options & QGLContext::PremultipliedAlphaBindOption; GLenum externalFormat; GLuint pixel_type; - if (QGLExtensions::glExtensions & QGLExtensions::BGRATextureFormat) { + if (QGLExtensions::glExtensions() & QGLExtensions::BGRATextureFormat) { externalFormat = GL_BGRA; - pixel_type = GL_UNSIGNED_INT_8_8_8_8_REV; + if (QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_1_2) + pixel_type = GL_UNSIGNED_INT_8_8_8_8_REV; + else + pixel_type = GL_UNSIGNED_BYTE; } else { externalFormat = GL_RGBA; pixel_type = GL_UNSIGNED_BYTE; @@ -2241,12 +2277,9 @@ QGLTexture* QGLContextPrivate::bindTexture(const QImage &image, GLenum target, G qgl_byteSwapImage(img, pixel_type); } #ifdef QT_OPENGL_ES - // OpenGL/ES requires that the internal and external formats be identical. - // This is typically used to convert GL_RGBA into GL_BGRA. - // Also, we need to use GL_UNSIGNED_BYTE when the format is GL_BGRA. + // OpenGL/ES requires that the internal and external formats be + // identical. internalFormat = externalFormat; - if (pixel_type == GL_UNSIGNED_INT_8_8_8_8_REV) - pixel_type = GL_UNSIGNED_BYTE; #endif #ifdef QGL_BIND_TEXTURE_DEBUG printf(" - uploading, image.format=%d, externalFormat=0x%x, internalFormat=0x%x, pixel_type=0x%x\n", @@ -2954,7 +2987,7 @@ bool QGLContext::create(const QGLContext* shareContext) wd->usesDoubleBufferedGLContext = d->glFormat.doubleBuffer(); } if (d->sharing) // ok, we managed to share - qgl_share_reg()->addShare(this, shareContext); + QGLContextGroup::addShare(this, shareContext); return d->valid; } @@ -4378,9 +4411,9 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font, int height = d->glcx->device()->height(); bool auto_swap = autoBufferSwap(); + QPaintEngine::Type oldEngineType = qgl_engine_selector()->preferredPaintEngine(); + qgl_engine_selector()->setPreferredPaintEngine(QPaintEngine::OpenGL); QPaintEngine *engine = paintEngine(); - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(true); QPainter *p; bool reuse_painter = false; if (engine->isActive()) { @@ -4400,11 +4433,6 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font, setAutoBufferSwap(false); // disable glClear() as a result of QPainter::begin() d->disable_clear_on_painter_begin = true; - if (engine->type() == QPaintEngine::OpenGL2) { - qt_save_gl_state(); - glMatrixMode(GL_MODELVIEW); - glLoadIdentity(); - } p = new QPainter(this); } @@ -4428,11 +4456,8 @@ void QGLWidget::renderText(int x, int y, const QString &str, const QFont &font, delete p; setAutoBufferSwap(auto_swap); d->disable_clear_on_painter_begin = false; - if (engine->type() == QPaintEngine::OpenGL2) - qt_restore_gl_state(); } - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(false); + qgl_engine_selector()->setPreferredPaintEngine(oldEngineType); #else // QT_OPENGL_ES Q_UNUSED(x); Q_UNUSED(y); @@ -4480,9 +4505,9 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con &win_x, &win_y, &win_z); win_y = height - win_y; // y is inverted + QPaintEngine::Type oldEngineType = qgl_engine_selector()->preferredPaintEngine(); + qgl_engine_selector()->setPreferredPaintEngine(QPaintEngine::OpenGL); QPaintEngine *engine = paintEngine(); - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(true); QPainter *p; bool reuse_painter = false; bool use_depth_testing = glIsEnabled(GL_DEPTH_TEST); @@ -4496,8 +4521,6 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con setAutoBufferSwap(false); // disable glClear() as a result of QPainter::begin() d->disable_clear_on_painter_begin = true; - if (engine->type() == QPaintEngine::OpenGL2) - qt_save_gl_state(); p = new QPainter(this); } @@ -4526,13 +4549,10 @@ void QGLWidget::renderText(double x, double y, double z, const QString &str, con } else { p->end(); delete p; - if (engine->type() == QPaintEngine::OpenGL2) - qt_restore_gl_state(); setAutoBufferSwap(auto_swap); d->disable_clear_on_painter_begin = false; } - if (engine->type() == QPaintEngine::OpenGL2) - static_cast<QGL2PaintEngineEx *>(engine)->setRenderTextActive(false); + qgl_engine_selector()->setPreferredPaintEngine(oldEngineType); #else // QT_OPENGL_ES Q_UNUSED(x); Q_UNUSED(y); @@ -4844,9 +4864,13 @@ QGLWidget::QGLWidget(QGLContext *context, QWidget *parent, #endif // QT3_SUPPORT -void QGLExtensions::init_extensions() +/* + Returns the GL extensions for the current context. +*/ +QGLExtensions::Extensions QGLExtensions::currentContextExtensions() { QGLExtensionMatcher extensions(reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS))); + Extensions glExtensions; if (extensions.match("GL_ARB_texture_rectangle")) glExtensions |= TextureRectangle; @@ -4907,6 +4931,46 @@ void QGLExtensions::init_extensions() if (extensions.match("GL_EXT_bgra")) glExtensions |= BGRATextureFormat; + + return glExtensions; +} + +/* + Returns the GL extensions for the current QGLContext. If there is no + current QGLContext, a default context will be created and the extensions + for that context will be returned instead. +*/ +QGLExtensions::Extensions QGLExtensions::glExtensions() +{ + QGLTemporaryContext *tmpContext = 0; + static bool cachedDefault = false; + static Extensions defaultExtensions = 0; + QGLContext *currentCtx = const_cast<QGLContext *>(QGLContext::currentContext()); + + if (currentCtx && currentCtx->d_func()->extension_flags_cached) + return currentCtx->d_func()->extension_flags; + + if (!currentCtx) { + if (cachedDefault) { + return defaultExtensions; + } else { + tmpContext = new QGLTemporaryContext; + cachedDefault = true; + } + } + + Extensions extensionFlags = currentContextExtensions(); + if (currentCtx) { + currentCtx->d_func()->extension_flags_cached = true; + currentCtx->d_func()->extension_flags = extensionFlags; + } else { + defaultExtensions = extensionFlags; + } + + if (tmpContext) + delete tmpContext; + + return extensionFlags; } /* @@ -4918,7 +4982,6 @@ void QGLWidgetPrivate::initContext(QGLContext *context, const QGLWidget* shareWi glDevice.setWidget(q); - QGLExtensions::init(); glcx = 0; autoSwap = true; @@ -4928,8 +4991,6 @@ void QGLWidgetPrivate::initContext(QGLContext *context, const QGLWidget* shareWi if (!glcx) glcx = new QGLContext(QGLFormat::defaultFormat(), q); - - q->setAttribute(Qt::WA_NoSystemBackground); } #if defined(Q_WS_X11) || defined(Q_WS_MAC) || defined(Q_WS_QWS) @@ -4953,7 +5014,7 @@ Q_OPENGL_EXPORT const QString qt_gl_library_name() } #endif -void QGLShareRegister::addShare(const QGLContext *context, const QGLContext *share) { +void QGLContextGroup::addShare(const QGLContext *context, const QGLContext *share) { Q_ASSERT(context && share); if (context->d_ptr->group == share->d_ptr->group) return; @@ -4974,11 +5035,7 @@ void QGLShareRegister::addShare(const QGLContext *context, const QGLContext *sha group->m_shares.append(context); } -QList<const QGLContext *> QGLShareRegister::shares(const QGLContext *context) { - return context->d_ptr->group->m_shares; -} - -void QGLShareRegister::removeShare(const QGLContext *context) { +void QGLContextGroup::removeShare(const QGLContext *context) { // Remove the context from the group. QGLContextGroup *group = context->d_ptr->group; if (group->m_shares.isEmpty()) @@ -5173,7 +5230,7 @@ QSize QGLTexture::bindCompressedTexture } #if !defined(QT_OPENGL_ES) if (!glCompressedTexImage2D) { - if (!(QGLExtensions::glExtensions & QGLExtensions::TextureCompression)) { + if (!(QGLExtensions::glExtensions() & QGLExtensions::TextureCompression)) { qWarning("QGLContext::bindTexture(): The GL implementation does " "not support texture compression extensions."); return QSize(); @@ -5212,7 +5269,7 @@ QSize QGLTexture::bindCompressedTextureDDS(const char *buf, int len) return QSize(); // Bail out if the necessary extension is not present. - if (!(QGLExtensions::glExtensions & QGLExtensions::DDSTextureCompression)) { + if (!(QGLExtensions::glExtensions() & QGLExtensions::DDSTextureCompression)) { qWarning("QGLContext::bindTexture(): DDS texture compression is not supported."); return QSize(); } @@ -5322,13 +5379,13 @@ QSize QGLTexture::bindCompressedTexturePVR(const char *buf, int len) // Bail out if the necessary extension is not present. if (textureFormat == GL_ETC1_RGB8_OES) { - if (!(QGLExtensions::glExtensions & + if (!(QGLExtensions::glExtensions() & QGLExtensions::ETC1TextureCompression)) { qWarning("QGLContext::bindTexture(): ETC1 texture compression is not supported."); return QSize(); } } else { - if (!(QGLExtensions::glExtensions & + if (!(QGLExtensions::glExtensions() & QGLExtensions::PVRTCTextureCompression)) { qWarning("QGLContext::bindTexture(): PVRTC texture compression is not supported."); return QSize(); diff --git a/src/opengl/qgl.h b/src/opengl/qgl.h index 2076c46..1a04ff9 100644 --- a/src/opengl/qgl.h +++ b/src/opengl/qgl.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -393,13 +393,15 @@ private: friend class QOpenGLPaintEnginePrivate; friend class QGL2PaintEngineEx; friend class QGL2PaintEngineExPrivate; + friend class QGLEngineShaderManager; friend class QGLWindowSurface; friend class QGLPixmapData; friend class QGLPixmapFilterBase; friend class QGLTextureGlyphCache; - friend class QGLShareRegister; + friend class QGLContextGroup; friend class QGLSharedResourceGuard; friend class QGLPixmapBlurFilter; + friend class QGLExtensions; friend QGLFormat::OpenGLVersionFlags QGLFormat::openGLVersionFlags(); #ifdef Q_WS_MAC public: diff --git a/src/opengl/qgl_cl_p.h b/src/opengl/qgl_cl_p.h index c3bc68c..82b492b 100644 --- a/src/opengl/qgl_cl_p.h +++ b/src/opengl/qgl_cl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp index 839e8eb..3addea1 100644 --- a/src/opengl/qgl_egl.cpp +++ b/src/opengl/qgl_egl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -152,7 +152,7 @@ void QGLContext::reset() d->valid = false; d->transpColor = QColor(); d->initDone = false; - qgl_share_reg()->removeShare(this); + QGLContextGroup::removeShare(this); } void QGLContext::makeCurrent() diff --git a/src/opengl/qgl_egl_p.h b/src/opengl/qgl_egl_p.h index 47a4a19..c503724 100644 --- a/src/opengl/qgl_egl_p.h +++ b/src/opengl/qgl_egl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qgl_mac.mm b/src/opengl/qgl_mac.mm index 4dd822d..c01575b 100644 --- a/src/opengl/qgl_mac.mm +++ b/src/opengl/qgl_mac.mm @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -116,6 +116,68 @@ extern void qt_mac_dispose_rgn(RgnHandle); //qregion_mac.cpp extern QRegion qt_mac_convert_mac_region(RgnHandle); //qregion_mac.cpp extern void qt_mac_to_pascal_string(QString s, Str255 str, TextEncoding encoding=0, int len=-1); //qglobal.cpp +/* + QGLTemporaryContext implementation +*/ + +class QGLTemporaryContextPrivate +{ +public: +#ifndef QT_MAC_USE_COCOA + AGLContext ctx; +#else + NSOpenGLContext *ctx; +#endif +}; + +QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *) + : d(new QGLTemporaryContextPrivate) +{ + d->ctx = 0; +#ifndef QT_MAC_USE_COCOA + GLint attribs[] = {AGL_RGBA, AGL_NONE}; + AGLPixelFormat fmt = aglChoosePixelFormat(0, 0, attribs); + if (!fmt) { + qDebug("QGLTemporaryContext: Couldn't find any RGB visuals"); + return; + } + d->ctx = aglCreateContext(fmt, 0); + if (!d->ctx) + qDebug("QGLTemporaryContext: Unable to create context"); + else + aglSetCurrentContext(d->ctx); + aglDestroyPixelFormat(fmt); +#else + QMacCocoaAutoReleasePool pool; + NSOpenGLPixelFormatAttribute attribs[] = { 0 }; + NSOpenGLPixelFormat *fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs]; + if (!fmt) { + qWarning("QGLTemporaryContext: Cannot find any visuals"); + return; + } + + d->ctx = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:0]; + if (!d->ctx) + qWarning("QGLTemporaryContext: Cannot create context"); + else + [d->ctx makeCurrentContext]; + [fmt release]; +#endif +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + if (d->ctx) { +#ifndef QT_MAC_USE_COCOA + aglSetCurrentContext(0); + aglDestroyContext(d->ctx); +#else + [NSOpenGLContext clearCurrentContext]; + [d->ctx release]; +#endif + } +} + bool QGLFormat::hasOpenGL() { return true; @@ -476,7 +538,7 @@ void QGLContext::reset() d->valid = false; d->transpColor = QColor(); d->initDone = false; - qgl_share_reg()->removeShare(this); + QGLContextGroup::removeShare(this); } void QGLContext::makeCurrent() @@ -606,10 +668,22 @@ void QGLContext::updatePaintDevice() } } } else if (d->paintDevice->devType() == QInternal::Pixmap) { - QPixmap *pm = (QPixmap *)d->paintDevice; - PixMapHandle mac_pm = GetGWorldPixMap((GWorldPtr)pm->macQDHandle()); - aglSetOffScreen((AGLContext)d->cx, pm->width(), pm->height(), - GetPixRowBytes(mac_pm), GetPixBaseAddr(mac_pm)); + QPixmap *pm = reinterpret_cast<QPixmap *>(d->paintDevice); + + unsigned long qdformat = k32ARGBPixelFormat; + if (QSysInfo::ByteOrder == QSysInfo::LittleEndian) + qdformat = k32BGRAPixelFormat; + Rect rect; + SetRect(&rect, 0, 0, pm->width(), pm->height()); + + GWorldPtr gworld; + NewGWorldFromPtr(&gworld, qdformat, &rect, 0, 0, 0, + reinterpret_cast<char *>(qt_mac_pixmap_get_base(pm)), + qt_mac_pixmap_get_bytes_per_line(pm)); + + PixMapHandle pixmapHandle = GetGWorldPixMap(gworld); + aglSetOffScreen(reinterpret_cast<AGLContext>(d->cx), pm->width(), pm->height(), + GetPixRowBytes(pixmapHandle), GetPixBaseAddr(pixmapHandle)); } else { qWarning("QGLContext::updatePaintDevice(): Not sure how to render OpenGL on this device!"); } @@ -906,54 +980,6 @@ void QGLWidgetPrivate::updatePaintDevice() q->update(); } - -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - -#ifndef QT_MAC_USE_COCOA - GLint attribs[] = { AGL_RGBA, AGL_NONE }; - AGLPixelFormat fmt = aglChoosePixelFormat(0, 0, attribs); - if (!fmt) { - qDebug("QGLExtensions: Couldn't find any RGB visuals"); - return; - } - AGLContext ctx = aglCreateContext(fmt, 0); - if (!ctx) { - qDebug("QGLExtensions: Unable to create context"); - } else { - aglSetCurrentContext(ctx); - init_extensions(); - aglSetCurrentContext(0); - aglDestroyContext(ctx); - } - aglDestroyPixelFormat(fmt); -#else - QMacCocoaAutoReleasePool pool; - NSOpenGLPixelFormatAttribute attribs[] = { 0 }; - NSOpenGLPixelFormat *fmt = [[NSOpenGLPixelFormat alloc] initWithAttributes:attribs]; - if (!fmt) { - qWarning("QGLExtensions: Cannot find any visuals"); - return; - } - - NSOpenGLContext *ctx = [[NSOpenGLContext alloc] initWithFormat:fmt shareContext:0]; - if (!ctx) { - qWarning("QGLExtensions: Cannot create context"); - } else { - [ctx makeCurrentContext]; - init_extensions(); - [NSOpenGLContext clearCurrentContext]; - [ctx release]; - } - [fmt release]; -#endif -} - #endif QT_END_NAMESPACE diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h index 99c0f33..0104f07 100644 --- a/src/opengl/qgl_p.h +++ b/src/opengl/qgl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -222,9 +222,8 @@ class QGLSharedResourceGuard; typedef QHash<QString, GLuint> QGLDDSCache; // QGLContextPrivate has the responsibility of creating context groups. -// QGLContextPrivate and QGLShareRegister will both maintain the reference counter and destroy +// QGLContextPrivate maintains the reference counter and destroys // context groups when needed. -// QGLShareRegister has the responsibility of keeping the context pointer up to date. class QGLContextGroup { public: @@ -233,9 +232,13 @@ public: QGLExtensionFuncs &extensionFuncs() {return m_extensionFuncs;} const QGLContext *context() const {return m_context;} bool isSharing() const { return m_shares.size() >= 2; } + QList<const QGLContext *> shares() const { return m_shares; } void addGuard(QGLSharedResourceGuard *guard); void removeGuard(QGLSharedResourceGuard *guard); + + static void addShare(const QGLContext *context, const QGLContext *share); + static void removeShare(const QGLContext *context); private: QGLContextGroup(const QGLContext *context) : m_context(context), m_guards(0), m_refs(1) { } @@ -249,14 +252,75 @@ private: void cleanupResources(const QGLContext *ctx); - friend class QGLShareRegister; friend class QGLContext; friend class QGLContextPrivate; friend class QGLContextResource; }; +// Get the context that resources for "ctx" will transfer to once +// "ctx" is destroyed. Returns null if nothing is sharing with ctx. +Q_OPENGL_EXPORT const QGLContext *qt_gl_transfer_context(const QGLContext *); + +// GL extension definitions +class QGLExtensions { +public: + enum Extension { + TextureRectangle = 0x00000001, + SampleBuffers = 0x00000002, + GenerateMipmap = 0x00000004, + TextureCompression = 0x00000008, + FragmentProgram = 0x00000010, + MirroredRepeat = 0x00000020, + FramebufferObject = 0x00000040, + StencilTwoSide = 0x00000080, + StencilWrap = 0x00000100, + PackedDepthStencil = 0x00000200, + NVFloatBuffer = 0x00000400, + PixelBufferObject = 0x00000800, + FramebufferBlit = 0x00001000, + NPOTTextures = 0x00002000, + BGRATextureFormat = 0x00004000, + DDSTextureCompression = 0x00008000, + ETC1TextureCompression = 0x00010000, + PVRTCTextureCompression = 0x00020000, + FragmentShader = 0x00040000 + }; + Q_DECLARE_FLAGS(Extensions, Extension) + + static Extensions glExtensions(); + +private: + static Extensions currentContextExtensions(); +}; + +/* + QGLTemporaryContext - the main objective of this class is to have a way of + creating a GL context and making it current, without going via QGLWidget + and friends. At certain points during GL initialization we need a current + context in order decide what GL features are available, and to resolve GL + extensions. Having a light-weight way of creating such a context saves + initial application startup time, and it doesn't wind up creating recursive + conflicts. + The class currently uses a private d pointer to hide the platform specific + types. This could possibly been done inline with #ifdef'ery, but it causes + major headaches on e.g. X11 due to namespace pollution. +*/ +class QGLTemporaryContextPrivate; +class QGLTemporaryContext { +public: + QGLTemporaryContext(bool directRendering = true, QWidget *parent = 0); + ~QGLTemporaryContext(); + +private: + QScopedPointer<QGLTemporaryContextPrivate> d; +}; + class QGLTexture; +// This probably needs to grow to GL_MAX_VERTEX_ATTRIBS, but 3 is ok for now as that's +// all the GL2 engine uses: +#define QT_GL_VERTEX_ARRAY_TRACKED_COUNT 3 + class QGLContextPrivate { Q_DECLARE_PUBLIC(QGLContext) @@ -276,6 +340,9 @@ public: void cleanup(); + void setVertexAttribArrayEnabled(int arrayIndex, bool enabled = true); + void syncGlState(); // Makes sure the GL context's state is what we think it is + #if defined(Q_WS_WIN) HGLRC rc; HDC dc; @@ -320,10 +387,12 @@ public: uint crWin : 1; uint internal_context : 1; uint version_flags_cached : 1; + uint extension_flags_cached : 1; QPaintDevice *paintDevice; QColor transpColor; QGLContext *q_ptr; QGLFormat::OpenGLVersionFlags version_flags; + QGLExtensions::Extensions extension_flags; QGLContextGroup *group; GLint max_texture_size; @@ -332,6 +401,8 @@ public: GLuint default_fbo; QPaintEngine *active_engine; + bool vertexAttributeArraysEnabledState[QT_GL_VERTEX_ARRAY_TRACKED_COUNT]; + static inline QGLContextGroup *contextGroup(const QGLContext *ctx) { return ctx->d_ptr->group; } #ifdef Q_WS_WIN @@ -360,54 +431,8 @@ Q_SIGNALS: void aboutToDestroyContext(const QGLContext *context); }; -// GL extension definitions -class QGLExtensions { -public: - enum Extension { - TextureRectangle = 0x00000001, - SampleBuffers = 0x00000002, - GenerateMipmap = 0x00000004, - TextureCompression = 0x00000008, - FragmentProgram = 0x00000010, - MirroredRepeat = 0x00000020, - FramebufferObject = 0x00000040, - StencilTwoSide = 0x00000080, - StencilWrap = 0x00000100, - PackedDepthStencil = 0x00000200, - NVFloatBuffer = 0x00000400, - PixelBufferObject = 0x00000800, - FramebufferBlit = 0x00001000, - NPOTTextures = 0x00002000, - BGRATextureFormat = 0x00004000, - DDSTextureCompression = 0x00008000, - ETC1TextureCompression = 0x00010000, - PVRTCTextureCompression = 0x00020000, - FragmentShader = 0x00040000 - }; - Q_DECLARE_FLAGS(Extensions, Extension) - - static Extensions glExtensions; - static bool nvidiaFboNeedsFinish; - static void init(); // sys dependent - static void init_extensions(); // general: called by init() -}; - Q_DECLARE_OPERATORS_FOR_FLAGS(QGLExtensions::Extensions) - -class Q_OPENGL_EXPORT QGLShareRegister -{ -public: - QGLShareRegister() {} - ~QGLShareRegister() {} - - void addShare(const QGLContext *context, const QGLContext *share); - QList<const QGLContext *> shares(const QGLContext *context); - void removeShare(const QGLContext *context); -}; - -extern Q_OPENGL_EXPORT QGLShareRegister* qgl_share_reg(); - // Temporarily make a context current if not already current or // shared with the current contex. The previous context is made // current when the object goes out of scope. @@ -531,7 +556,7 @@ bool qt_gl_preferGL2Engine(); inline GLenum qt_gl_preferredTextureFormat() { - return (QGLExtensions::glExtensions & QGLExtensions::BGRATextureFormat) && QSysInfo::ByteOrder == QSysInfo::LittleEndian + return (QGLExtensions::glExtensions() & QGLExtensions::BGRATextureFormat) && QSysInfo::ByteOrder == QSysInfo::LittleEndian ? GL_BGRA : GL_RGBA; } @@ -540,7 +565,7 @@ inline GLenum qt_gl_preferredTextureTarget() #if defined(QT_OPENGL_ES_2) return GL_TEXTURE_2D; #else - return (QGLExtensions::glExtensions & QGLExtensions::TextureRectangle) + return (QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle) && !qt_gl_preferGL2Engine() ? GL_TEXTURE_RECTANGLE_NV : GL_TEXTURE_2D; @@ -612,7 +637,7 @@ private: }; -// This class can be used to match GL extensions with doing any mallocs. The +// This class can be used to match GL extensions without doing any mallocs. The // class assumes that the GL extension string ends with a space character, // which it should do on all conformant platforms. Create the object and pass // in a pointer to the extension string, then call match() on each extension diff --git a/src/opengl/qgl_qws.cpp b/src/opengl/qgl_qws.cpp index a189c20..d4adc8b 100644 --- a/src/opengl/qgl_qws.cpp +++ b/src/opengl/qgl_qws.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -83,6 +83,28 @@ static QGLScreen *glScreenForDevice(QPaintDevice *device) return 0; } +/* + QGLTemporaryContext implementation +*/ + +class QGLTemporaryContextPrivate +{ +public: + QGLWidget *widget; +}; + +QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *) + : d(new QGLTemporaryContextPrivate) +{ + d->widget = new QGLWidget; + d->widget->makeCurrent(); +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + delete d->widget; +} + /***************************************************************************** QOpenGL debug facilities *****************************************************************************/ @@ -311,36 +333,4 @@ void QGLWidget::setColormap(const QGLColormap &) { } -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - - // We need a context current to initialize the extensions, - // but getting a valid EGLNativeWindowType this early can be - // problematic under QWS. So use a pbuffer instead. - // - // Unfortunately OpenGL/ES 2.0 systems don't normally - // support pbuffers, so we have no choice but to try - // our luck with a window on those systems. -#if defined(QT_OPENGL_ES_2) - QGLWidget tmpWidget; - tmpWidget.makeCurrent(); - - init_extensions(); - - tmpWidget.doneCurrent(); -#else - QGLPixelBuffer pbuffer(16, 16); - pbuffer.makeCurrent(); - - init_extensions(); - - pbuffer.doneCurrent(); -#endif -} - QT_END_NAMESPACE diff --git a/src/opengl/qgl_win.cpp b/src/opengl/qgl_win.cpp index 5b5820a..ed4814f 100644 --- a/src/opengl/qgl_win.cpp +++ b/src/opengl/qgl_win.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -551,7 +551,7 @@ QGLFormat pfiToQGLFormat(HDC hdc, int pfi) QVarLengthArray<int> iAttributes(40); QVarLengthArray<int> iValues(40); int i = 0; - bool has_sample_buffers = QGLExtensions::glExtensions & QGLExtensions::SampleBuffers; + bool has_sample_buffers = QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers; iAttributes[i++] = WGL_DOUBLE_BUFFER_ARB; // 0 iAttributes[i++] = WGL_DEPTH_BITS_ARB; // 1 @@ -628,52 +628,14 @@ QGLFormat pfiToQGLFormat(HDC hdc, int pfi) /* - Creates a temporary GL context and makes it current - - cleans up when the object is destructed. + QGLTemporaryContext implementation */ Q_GUI_EXPORT const QString qt_getRegisteredWndClass(); -class QGLTempContext +class QGLTemporaryContextPrivate { public: - QGLTempContext(bool directRendering, QWidget *parent = 0) - { - QString windowClassName = qt_getRegisteredWndClass(); - if (parent && !parent->internalWinId()) - parent = parent->nativeParentWidget(); - - dmy_id = CreateWindow((const wchar_t *)windowClassName.utf16(), - 0, 0, 0, 0, 1, 1, - parent ? parent->winId() : 0, 0, qWinAppInst(), 0); - - dmy_pdc = GetDC(dmy_id); - PIXELFORMATDESCRIPTOR dmy_pfd; - memset(&dmy_pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); - dmy_pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); - dmy_pfd.nVersion = 1; - dmy_pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW; - dmy_pfd.iPixelType = PFD_TYPE_RGBA; - if (!directRendering) - dmy_pfd.dwFlags |= PFD_GENERIC_FORMAT; - - int dmy_pf = ChoosePixelFormat(dmy_pdc, &dmy_pfd); - SetPixelFormat(dmy_pdc, dmy_pf, &dmy_pfd); - dmy_rc = wglCreateContext(dmy_pdc); - old_dc = wglGetCurrentDC(); - old_context = wglGetCurrentContext(); - wglMakeCurrent(dmy_pdc, dmy_rc); - } - - ~QGLTempContext() { - wglMakeCurrent(dmy_pdc, 0); - wglDeleteContext(dmy_rc); - ReleaseDC(dmy_id, dmy_pdc); - DestroyWindow(dmy_id); - if (old_dc && old_context) - wglMakeCurrent(old_dc, old_context); - } - HDC dmy_pdc; HGLRC dmy_rc; HDC old_dc; @@ -681,6 +643,45 @@ public: WId dmy_id; }; +QGLTemporaryContext::QGLTemporaryContext(bool directRendering, QWidget *parent) + : d(new QGLTemporaryContextPrivate) +{ + QString windowClassName = qt_getRegisteredWndClass(); + if (parent && !parent->internalWinId()) + parent = parent->nativeParentWidget(); + + d->dmy_id = CreateWindow((const wchar_t *)windowClassName.utf16(), + 0, 0, 0, 0, 1, 1, + parent ? parent->winId() : 0, 0, qWinAppInst(), 0); + + d->dmy_pdc = GetDC(d->dmy_id); + PIXELFORMATDESCRIPTOR dmy_pfd; + memset(&dmy_pfd, 0, sizeof(PIXELFORMATDESCRIPTOR)); + dmy_pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); + dmy_pfd.nVersion = 1; + dmy_pfd.dwFlags = PFD_SUPPORT_OPENGL | PFD_DRAW_TO_WINDOW; + dmy_pfd.iPixelType = PFD_TYPE_RGBA; + if (!directRendering) + dmy_pfd.dwFlags |= PFD_GENERIC_FORMAT; + + int dmy_pf = ChoosePixelFormat(d->dmy_pdc, &dmy_pfd); + SetPixelFormat(d->dmy_pdc, dmy_pf, &dmy_pfd); + d->dmy_rc = wglCreateContext(d->dmy_pdc); + d->old_dc = wglGetCurrentDC(); + d->old_context = wglGetCurrentContext(); + wglMakeCurrent(d->dmy_pdc, d->dmy_rc); +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + wglMakeCurrent(d->dmy_pdc, 0); + wglDeleteContext(d->dmy_rc); + ReleaseDC(d->dmy_id, d->dmy_pdc); + DestroyWindow(d->dmy_id); + if (d->old_dc && d->old_context) + wglMakeCurrent(d->old_dc, d->old_context); +} + bool QGLContext::chooseContext(const QGLContext* shareContext) { Q_D(QGLContext); @@ -721,10 +722,10 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) myDc = GetDC(d->win); } - // NB! the QGLTempContext object is needed for the + // NB! the QGLTemporaryContext object is needed for the // wglGetProcAddress() calls to succeed and are absolutely // necessary - don't remove! - QGLTempContext tmp_ctx(d->glFormat.directRendering(), widget); + QGLTemporaryContext tmp_ctx(d->glFormat.directRendering(), widget); if (!myDc) { qWarning("QGLContext::chooseContext(): Paint device cannot be null"); @@ -965,7 +966,7 @@ int QGLContext::choosePixelFormat(void* dummyPfd, HDC pdc) iAttributes[i++] = 1; } int si = 0; - bool trySampleBuffers = QGLExtensions::glExtensions & QGLExtensions::SampleBuffers; + bool trySampleBuffers = QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers; if (trySampleBuffers && d->glFormat.sampleBuffers()) { iAttributes[i++] = WGL_SAMPLE_BUFFERS_ARB; iAttributes[i++] = TRUE; @@ -1145,7 +1146,7 @@ void QGLContext::reset() delete d->cmap; d->cmap = 0; d->initDone = false; - qgl_share_reg()->removeShare(this); + QGLContextGroup::removeShare(this); } // @@ -1471,15 +1472,4 @@ void QGLWidget::setColormap(const QGLColormap & c) } } -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - QGLTempContext temp_ctx(QGLFormat::defaultFormat().directRendering()); - init_extensions(); -} - QT_END_NAMESPACE diff --git a/src/opengl/qgl_wince.cpp b/src/opengl/qgl_wince.cpp index 2553110..00a125a 100644 --- a/src/opengl/qgl_wince.cpp +++ b/src/opengl/qgl_wince.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -95,8 +95,27 @@ public: #include <qcolor.h> +/* + QGLTemporaryContext implementation +*/ +class QGLTemporaryContextPrivate +{ +public: + QGLWidget *widget; +}; +QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *) + : d(new QGLTemporaryContextPrivate) +{ + d->widget = new QGLWidget; + d->widget->makeCurrent(); +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + delete d->widget; +} /***************************************************************************** QGLFormat Win32/WGL-specific code @@ -627,21 +646,4 @@ void QGLWidget::setColormap(const QGLColormap & c) } } -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - - // We need a context current to initialize the extensions. - QGLWidget tmpWidget; - tmpWidget.makeCurrent(); - - init_extensions(); - - tmpWidget.doneCurrent(); -} - QT_END_NAMESPACE diff --git a/src/opengl/qgl_x11.cpp b/src/opengl/qgl_x11.cpp index 9c3fc79..61a16be 100644 --- a/src/opengl/qgl_x11.cpp +++ b/src/opengl/qgl_x11.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -549,7 +549,7 @@ void *QGLContext::chooseVisual() bool triedDouble = false; bool triedSample = false; if (fmt.sampleBuffers()) - fmt.setSampleBuffers(QGLExtensions::glExtensions & QGLExtensions::SampleBuffers); + fmt.setSampleBuffers(QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers); while(!fail && !(vis = tryVisual(fmt, bufDepths[i]))) { if (!fmt.rgba() && bufDepths[i] > 1) { i++; @@ -825,7 +825,7 @@ void QGLContext::reset() d->valid = false; d->transpColor = QColor(); d->initDone = false; - qgl_share_reg()->removeShare(this); + QGLContextGroup::removeShare(this); } @@ -1132,6 +1132,71 @@ void *QGLContext::getProcAddress(const QString &proc) const return glXGetProcAddressARB(reinterpret_cast<const GLubyte *>(proc.toLatin1().data())); } +/* + QGLTemporaryContext implementation +*/ + +class QGLTemporaryContextPrivate { +public: + bool initialized; + Window drawable; + GLXContext context; + GLXDrawable oldDrawable; + GLXContext oldContext; +}; + +QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *) + : d(new QGLTemporaryContextPrivate) +{ + d->initialized = false; + d->oldDrawable = 0; + d->oldContext = 0; + int screen = 0; + + int attribs[] = {GLX_RGBA, XNone}; + XVisualInfo *vi = glXChooseVisual(X11->display, screen, attribs); + if (!vi) { + qWarning("QGLTempContext: No GL capable X visuals available."); + return; + } + + int useGL; + glXGetConfig(X11->display, vi, GLX_USE_GL, &useGL); + if (!useGL) { + XFree(vi); + return; + } + + d->oldDrawable = glXGetCurrentDrawable(); + d->oldContext = glXGetCurrentContext(); + + XSetWindowAttributes a; + a.colormap = qt_gl_choose_cmap(X11->display, vi); + d->drawable = XCreateWindow(X11->display, RootWindow(X11->display, screen), + 0, 0, 1, 1, 0, + vi->depth, InputOutput, vi->visual, + CWColormap, &a); + d->context = glXCreateContext(X11->display, vi, 0, True); + if (d->context && glXMakeCurrent(X11->display, d->drawable, d->context)) { + d->initialized = true; + } else { + qWarning("QGLTempContext: Unable to create GL context."); + XDestroyWindow(X11->display, d->drawable); + } + XFree(vi); +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + if (d->initialized) { + glXMakeCurrent(X11->display, 0, 0); + glXDestroyContext(X11->display, d->context); + XDestroyWindow(X11->display, d->drawable); + } + if (d->oldDrawable && d->oldContext) + glXMakeCurrent(X11->display, d->oldDrawable, d->oldContext); +} + /***************************************************************************** QGLOverlayWidget (Internal overlay class for X11) *****************************************************************************/ @@ -1566,28 +1631,6 @@ void QGLWidget::setColormap(const QGLColormap & c) delete [] cmw; } -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - - QGLWidget dmy; - dmy.makeCurrent(); - init_extensions(); - - // nvidia 9x.xx unix drivers contain a bug which requires us to call glFinish before releasing an fbo - // to avoid painting artifacts - const QByteArray versionString(reinterpret_cast<const char*>(glGetString(GL_VERSION))); - const int pos = versionString.indexOf("NVIDIA"); - if (pos >= 0) { - const float nvidiaDriverVersion = versionString.mid(pos + strlen("NVIDIA")).toFloat(); - nvidiaFboNeedsFinish = nvidiaDriverVersion >= 90.0 && nvidiaDriverVersion < 100.0; - } -} - // Solaris defines glXBindTexImageEXT as part of the GL library #if defined(GLX_VERSION_1_3) && !defined(Q_OS_HPUX) typedef void (*qt_glXBindTexImageEXT)(Display*, GLXDrawable, int, const int*); @@ -1603,13 +1646,17 @@ static bool qt_resolveTextureFromPixmap(QPaintDevice *paintDevice) resolvedTextureFromPixmap = true; // Check to see if we have NPOT texture support - if ( !(QGLExtensions::glExtensions & QGLExtensions::NPOTTextures) && + if ( !(QGLExtensions::glExtensions() & QGLExtensions::NPOTTextures) && !(QGLFormat::openGLVersionFlags() & QGLFormat::OpenGL_Version_2_0)) { return false; // Can't use TFP without NPOT } + const QX11Info *xinfo = qt_x11Info(paintDevice); - QGLExtensionMatcher extensions(glXQueryExtensionsString(xinfo->display(), xinfo->screen())); + Display *display = xinfo ? xinfo->display() : X11->display; + int screen = xinfo ? xinfo->screen() : X11->defaultScreen; + + QGLExtensionMatcher extensions(glXQueryExtensionsString(display, screen)); if (extensions.match("GLX_EXT_texture_from_pixmap")) { glXBindTexImageEXT = (qt_glXBindTexImageEXT) qglx_getProcAddress("glXBindTexImageEXT"); glXReleaseTexImageEXT = (qt_glXReleaseTexImageEXT) qglx_getProcAddress("glXReleaseTexImageEXT"); diff --git a/src/opengl/qgl_x11egl.cpp b/src/opengl/qgl_x11egl.cpp index 19026b3..572834b 100644 --- a/src/opengl/qgl_x11egl.cpp +++ b/src/opengl/qgl_x11egl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -52,6 +52,119 @@ QT_BEGIN_NAMESPACE + +bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig config, + const QX11Info &x11Info, bool useArgbVisual); + +/* + QGLTemporaryContext implementation +*/ + +class QGLTemporaryContextPrivate +{ +public: + bool initialized; + Window window; + EGLContext context; + EGLSurface surface; + EGLDisplay display; +}; + +QGLTemporaryContext::QGLTemporaryContext(bool, QWidget *) + : d(new QGLTemporaryContextPrivate) +{ + d->initialized = false; + d->window = 0; + d->context = 0; + d->surface = 0; + int screen = 0; + + d->display = eglGetDisplay(EGLNativeDisplayType(X11->display)); + + if (!eglInitialize(d->display, NULL, NULL)) { + qWarning("QGLTemporaryContext: Unable to initialize EGL display."); + return; + } + + EGLConfig config; + int numConfigs = 0; + EGLint attribs[] = { + EGL_SURFACE_TYPE, EGL_WINDOW_BIT, +#ifdef QT_OPENGL_ES_2 + EGL_RENDERABLE_TYPE, EGL_OPENGL_ES2_BIT, +#endif + EGL_NONE + }; + + eglChooseConfig(d->display, attribs, &config, 1, &numConfigs); + if (!numConfigs) { + qWarning("QGLTemporaryContext: No EGL configurations available."); + return; + } + + XVisualInfo visualInfo; + XVisualInfo *vi; + int numVisuals; + EGLint id = 0; + + eglGetConfigAttrib(d->display, config, EGL_NATIVE_VISUAL_ID, &id); + if (id == 0) { + // EGL_NATIVE_VISUAL_ID is optional and might not be supported + // on some implementations - we'll have to do it the hard way + QX11Info xinfo; + qt_egl_setup_x11_visual(visualInfo, d->display, config, xinfo, false); + } else { + visualInfo.visualid = id; + } + vi = XGetVisualInfo(X11->display, VisualIDMask, &visualInfo, &numVisuals); + if (!vi || numVisuals < 1) { + qWarning("QGLTemporaryContext: Unable to get X11 visual info id."); + return; + } + + d->window = XCreateWindow(X11->display, RootWindow(X11->display, screen), + 0, 0, 1, 1, 0, + vi->depth, InputOutput, vi->visual, + 0, 0); + + d->surface = eglCreateWindowSurface(d->display, config, (EGLNativeWindowType) d->window, NULL); + + if (d->surface == EGL_NO_SURFACE) { + qWarning("QGLTemporaryContext: Error creating EGL surface."); + XFree(vi); + XDestroyWindow(X11->display, d->window); + return; + } + + EGLint contextAttribs[] = { +#ifdef QT_OPENGL_ES_2 + EGL_CONTEXT_CLIENT_VERSION, 2, +#endif + EGL_NONE + }; + d->context = eglCreateContext(d->display, config, 0, contextAttribs); + if (d->context != EGL_NO_CONTEXT + && eglMakeCurrent(d->display, d->surface, d->surface, d->context)) + { + d->initialized = true; + } else { + qWarning("QGLTemporaryContext: Error creating EGL context."); + eglDestroySurface(d->display, d->surface); + XDestroyWindow(X11->display, d->window); + } + XFree(vi); +} + +QGLTemporaryContext::~QGLTemporaryContext() +{ + if (d->initialized) { + eglMakeCurrent(d->display, EGL_NO_SURFACE, EGL_NO_SURFACE, EGL_NO_CONTEXT); + eglDestroyContext(d->display, d->context); + eglDestroySurface(d->display, d->surface); + XDestroyWindow(X11->display, d->window); + } +} + bool QGLFormat::hasOpenGLOverlays() { return false; @@ -239,7 +352,7 @@ bool qt_egl_setup_x11_visual(XVisualInfo &vi, EGLDisplay display, EGLConfig conf // If EGL does not know the visual ID, so try to select an appropriate one ourselves, first // using XRender if we're supposed to have an alpha, then falling back to XGetVisualInfo - + #if !defined(QT_NO_XRENDER) if (vi.visualid == 0 && useArgbVisual) { // Try to use XRender to find an ARGB visual we can use @@ -437,23 +550,6 @@ void QGLWidget::setColormap(const QGLColormap &) { } -void QGLExtensions::init() -{ - static bool init_done = false; - - if (init_done) - return; - init_done = true; - - // We need a context current to initialize the extensions. - QGLWidget tmpWidget; - tmpWidget.makeCurrent(); - - init_extensions(); - - tmpWidget.doneCurrent(); -} - // Re-creates the EGL surface if the window ID has changed or if force is true void QGLWidgetPrivate::recreateEglSurface(bool force) { diff --git a/src/opengl/qglcolormap.cpp b/src/opengl/qglcolormap.cpp index b86f9e0..332fb16 100644 --- a/src/opengl/qglcolormap.cpp +++ b/src/opengl/qglcolormap.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglcolormap.h b/src/opengl/qglcolormap.h index 5596992..e9535a9 100644 --- a/src/opengl/qglcolormap.h +++ b/src/opengl/qglcolormap.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglextensions.cpp b/src/opengl/qglextensions.cpp index c785d8a..c091191 100644 --- a/src/opengl/qglextensions.cpp +++ b/src/opengl/qglextensions.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h index 62e216c..b0cb429 100644 --- a/src/opengl/qglextensions_p.h +++ b/src/opengl/qglextensions_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp index 4b5c30a..ce80796 100644 --- a/src/opengl/qglframebufferobject.cpp +++ b/src/opengl/qglframebufferobject.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -396,7 +396,7 @@ void QGLFramebufferObjectPrivate::init(QGLFramebufferObject *q, const QSize &sz, QGLContext *ctx = const_cast<QGLContext *>(QGLContext::currentContext()); fbo_guard.setContext(ctx); - bool ext_detected = (QGLExtensions::glExtensions & QGLExtensions::FramebufferObject); + bool ext_detected = (QGLExtensions::glExtensions() & QGLExtensions::FramebufferObject); if (!ext_detected || (ext_detected && !qt_resolve_framebufferobject_extensions(ctx))) return; @@ -466,7 +466,7 @@ void QGLFramebufferObjectPrivate::init(QGLFramebufferObject *q, const QSize &sz, } if (attachment == QGLFramebufferObject::CombinedDepthStencil - && (QGLExtensions::glExtensions & QGLExtensions::PackedDepthStencil)) { + && (QGLExtensions::glExtensions() & QGLExtensions::PackedDepthStencil)) { // depth and stencil buffer needs another extension glGenRenderbuffers(1, &depth_stencil_buffer); Q_ASSERT(!glIsRenderbuffer(depth_stencil_buffer)); @@ -1028,8 +1028,7 @@ QPaintEngine *QGLFramebufferObject::paintEngine() const */ bool QGLFramebufferObject::hasOpenGLFramebufferObjects() { - QGLExtensions::init(); - return (QGLExtensions::glExtensions & QGLExtensions::FramebufferObject); + return (QGLExtensions::glExtensions() & QGLExtensions::FramebufferObject); } /*! @@ -1188,8 +1187,7 @@ bool QGLFramebufferObject::isBound() const */ bool QGLFramebufferObject::hasOpenGLFramebufferBlit() { - QGLExtensions::init(); - return (QGLExtensions::glExtensions & QGLExtensions::FramebufferBlit); + return (QGLExtensions::glExtensions() & QGLExtensions::FramebufferBlit); } /*! @@ -1229,7 +1227,7 @@ void QGLFramebufferObject::blitFramebuffer(QGLFramebufferObject *target, const Q GLbitfield buffers, GLenum filter) { - if (!(QGLExtensions::glExtensions & QGLExtensions::FramebufferBlit)) + if (!(QGLExtensions::glExtensions() & QGLExtensions::FramebufferBlit)) return; const QGLContext *ctx = QGLContext::currentContext(); diff --git a/src/opengl/qglframebufferobject.h b/src/opengl/qglframebufferobject.h index 6cf5571..306b6ff 100644 --- a/src/opengl/qglframebufferobject.h +++ b/src/opengl/qglframebufferobject.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglframebufferobject_p.h b/src/opengl/qglframebufferobject_p.h index 800cb68..d7f96a5 100644 --- a/src/opengl/qglframebufferobject_p.h +++ b/src/opengl/qglframebufferobject_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpaintdevice.cpp b/src/opengl/qglpaintdevice.cpp index bcd90a5..7697570 100644 --- a/src/opengl/qglpaintdevice.cpp +++ b/src/opengl/qglpaintdevice.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpaintdevice_p.h b/src/opengl/qglpaintdevice_p.h index 63ba5da..9815467 100644 --- a/src/opengl/qglpaintdevice_p.h +++ b/src/opengl/qglpaintdevice_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpixelbuffer.cpp b/src/opengl/qglpixelbuffer.cpp index 7c97ebb..46f7697 100644 --- a/src/opengl/qglpixelbuffer.cpp +++ b/src/opengl/qglpixelbuffer.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -127,7 +127,7 @@ void QGLPixelBufferPrivate::common_init(const QSize &size, const QGLFormat &form qctx = new QGLContext(format); qctx->d_func()->sharing = (shareWidget != 0); if (shareWidget != 0 && shareWidget->d_func()->glcx) { - qgl_share_reg()->addShare(qctx, shareWidget->d_func()->glcx); + QGLContextGroup::addShare(qctx, shareWidget->d_func()->glcx); shareWidget->d_func()->glcx->d_func()->sharing = true; } diff --git a/src/opengl/qglpixelbuffer.h b/src/opengl/qglpixelbuffer.h index 94ecd46..3304dd8 100644 --- a/src/opengl/qglpixelbuffer.h +++ b/src/opengl/qglpixelbuffer.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpixelbuffer_egl.cpp b/src/opengl/qglpixelbuffer_egl.cpp index de08655..ca19011 100644 --- a/src/opengl/qglpixelbuffer_egl.cpp +++ b/src/opengl/qglpixelbuffer_egl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpixelbuffer_mac.mm b/src/opengl/qglpixelbuffer_mac.mm index 6b9344b..6731dd8 100644 --- a/src/opengl/qglpixelbuffer_mac.mm +++ b/src/opengl/qglpixelbuffer_mac.mm @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -92,7 +92,7 @@ bool QGLPixelBufferPrivate::init(const QSize &size, const QGLFormat &f, QGLWidge GLenum target = GL_TEXTURE_2D; - if ((QGLExtensions::glExtensions & QGLExtensions::TextureRectangle) + if ((QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle) && (size.width() != nearest_gl_texture_size(size.width()) || size.height() != nearest_gl_texture_size(size.height()))) { @@ -223,7 +223,7 @@ bool QGLPixelBufferPrivate::init(const QSize &size, const QGLFormat &f, QGLWidge GLenum target = GL_TEXTURE_2D; - if ((QGLExtensions::glExtensions & QGLExtensions::TextureRectangle) + if ((QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle) && (size.width() != nearest_gl_texture_size(size.width()) || size.height() != nearest_gl_texture_size(size.height()))) { diff --git a/src/opengl/qglpixelbuffer_p.h b/src/opengl/qglpixelbuffer_p.h index 7fde802..c85dc5a 100644 --- a/src/opengl/qglpixelbuffer_p.h +++ b/src/opengl/qglpixelbuffer_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -154,7 +154,6 @@ class QGLPixelBufferPrivate { public: QGLPixelBufferPrivate(QGLPixelBuffer *q) : q_ptr(q), invalid(true), qctx(0), pbuf(0), ctx(0) { - QGLExtensions::init(); #ifdef Q_WS_WIN dc = 0; #elif defined(Q_WS_MACX) diff --git a/src/opengl/qglpixelbuffer_win.cpp b/src/opengl/qglpixelbuffer_win.cpp index 71b37ca..8d0d105 100644 --- a/src/opengl/qglpixelbuffer_win.cpp +++ b/src/opengl/qglpixelbuffer_win.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -221,7 +221,7 @@ static void qt_format_to_attrib_list(bool has_render_texture, const QGLFormat &f } if ((f.redBufferSize() > 8 || f.greenBufferSize() > 8 || f.blueBufferSize() > 8 || f.alphaBufferSize() > 8) - && (QGLExtensions::glExtensions & QGLExtensions::NVFloatBuffer)) + && (QGLExtensions::glExtensions() & QGLExtensions::NVFloatBuffer)) { attribs[i++] = WGL_FLOAT_COMPONENTS_NV; attribs[i++] = TRUE; @@ -368,11 +368,9 @@ void QGLPixelBuffer::releaseFromDynamicTexture() bool QGLPixelBuffer::hasOpenGLPbuffers() { bool ret = false; - QGLWidget *dmy = 0; - if (!QGLContext::currentContext()) { - dmy = new QGLWidget; - dmy->makeCurrent(); - } + QGLTemporaryContext *tmpContext = 0; + if (!QGLContext::currentContext()) + tmpContext = new QGLTemporaryContext; PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC) wglGetProcAddress("wglGetExtensionsStringARB"); if (wglGetExtensionsStringARB) { @@ -382,8 +380,8 @@ bool QGLPixelBuffer::hasOpenGLPbuffers() ret = true; } } - if (dmy) - delete dmy; + if (tmpContext) + delete tmpContext; return ret; } diff --git a/src/opengl/qglpixelbuffer_x11.cpp b/src/opengl/qglpixelbuffer_x11.cpp index 6971133..5b34cbb 100644 --- a/src/opengl/qglpixelbuffer_x11.cpp +++ b/src/opengl/qglpixelbuffer_x11.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp index d4bcbe9..11011ee 100644 --- a/src/opengl/qglpixmapfilter.cpp +++ b/src/opengl/qglpixmapfilter.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglpixmapfilter_p.h b/src/opengl/qglpixmapfilter_p.h index 0ef3eb5..d465729 100644 --- a/src/opengl/qglpixmapfilter_p.h +++ b/src/opengl/qglpixmapfilter_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglscreen_qws.cpp b/src/opengl/qglscreen_qws.cpp index 8ca9919..e78d493 100644 --- a/src/opengl/qglscreen_qws.cpp +++ b/src/opengl/qglscreen_qws.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglscreen_qws.h b/src/opengl/qglscreen_qws.h index a2f4a5b..b5e6b44 100644 --- a/src/opengl/qglscreen_qws.h +++ b/src/opengl/qglscreen_qws.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglshaderprogram.cpp b/src/opengl/qglshaderprogram.cpp index f9737a56..5e2f1f5 100644 --- a/src/opengl/qglshaderprogram.cpp +++ b/src/opengl/qglshaderprogram.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -2275,42 +2275,6 @@ void QGLShaderProgram::setUniformValue(const char *name, const QMatrix4x4& value \overload Sets the uniform variable at \a location in the current context - to a 2x2 matrix \a value. The matrix elements must be specified - in column-major order. - - \sa setAttributeValue() - \since 4.6.2 -*/ -void QGLShaderProgram::setUniformValue(int location, const GLfloat value[2][2]) -{ - Q_D(QGLShaderProgram); - Q_UNUSED(d); - if (location != -1) - glUniformMatrix2fv(location, 1, GL_FALSE, value[0]); -} - -/*! - \overload - - Sets the uniform variable at \a location in the current context - to a 3x3 matrix \a value. The matrix elements must be specified - in column-major order. - - \sa setAttributeValue() - \since 4.6.2 -*/ -void QGLShaderProgram::setUniformValue(int location, const GLfloat value[3][3]) -{ - Q_D(QGLShaderProgram); - Q_UNUSED(d); - if (location != -1) - glUniformMatrix3fv(location, 1, GL_FALSE, value[0]); -} - -/*! - \overload - - Sets the uniform variable at \a location in the current context to a 4x4 matrix \a value. The matrix elements must be specified in column-major order. @@ -2324,37 +2288,6 @@ void QGLShaderProgram::setUniformValue(int location, const GLfloat value[4][4]) glUniformMatrix4fv(location, 1, GL_FALSE, value[0]); } - -/*! - \overload - - Sets the uniform variable called \a name in the current context - to a 2x2 matrix \a value. The matrix elements must be specified - in column-major order. - - \sa setAttributeValue() - \since 4.6.2 -*/ -void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[2][2]) -{ - setUniformValue(uniformLocation(name), value); -} - -/*! - \overload - - Sets the uniform variable called \a name in the current context - to a 3x3 matrix \a value. The matrix elements must be specified - in column-major order. - - \sa setAttributeValue() - \since 4.6.2 -*/ -void QGLShaderProgram::setUniformValue(const char *name, const GLfloat value[3][3]) -{ - setUniformValue(uniformLocation(name), value); -} - /*! \overload diff --git a/src/opengl/qglshaderprogram.h b/src/opengl/qglshaderprogram.h index 4eb80dd..24ab986 100644 --- a/src/opengl/qglshaderprogram.h +++ b/src/opengl/qglshaderprogram.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -216,8 +216,6 @@ public: void setUniformValue(int location, const QMatrix4x2& value); void setUniformValue(int location, const QMatrix4x3& value); void setUniformValue(int location, const QMatrix4x4& value); - void setUniformValue(int location, const GLfloat value[2][2]); - void setUniformValue(int location, const GLfloat value[3][3]); void setUniformValue(int location, const GLfloat value[4][4]); void setUniformValue(int location, const QTransform& value); @@ -244,8 +242,6 @@ public: void setUniformValue(const char *name, const QMatrix4x2& value); void setUniformValue(const char *name, const QMatrix4x3& value); void setUniformValue(const char *name, const QMatrix4x4& value); - void setUniformValue(const char *name, const GLfloat value[2][2]); - void setUniformValue(const char *name, const GLfloat value[3][3]); void setUniformValue(const char *name, const GLfloat value[4][4]); void setUniformValue(const char *name, const QTransform& value); diff --git a/src/opengl/qglwindowsurface_qws.cpp b/src/opengl/qglwindowsurface_qws.cpp index 5041cb9..6f89b5e 100644 --- a/src/opengl/qglwindowsurface_qws.cpp +++ b/src/opengl/qglwindowsurface_qws.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qglwindowsurface_qws_p.h b/src/opengl/qglwindowsurface_qws_p.h index 0c7682a..5c4d2fd 100644 --- a/src/opengl/qglwindowsurface_qws_p.h +++ b/src/opengl/qglwindowsurface_qws_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qgraphicsshadereffect.cpp b/src/opengl/qgraphicsshadereffect.cpp index 4d7a69c..dddc85d 100644 --- a/src/opengl/qgraphicsshadereffect.cpp +++ b/src/opengl/qgraphicsshadereffect.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qgraphicsshadereffect_p.h b/src/opengl/qgraphicsshadereffect_p.h index de65ebb..75d1403 100644 --- a/src/opengl/qgraphicsshadereffect_p.h +++ b/src/opengl/qgraphicsshadereffect_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qgraphicssystem_gl.cpp b/src/opengl/qgraphicssystem_gl.cpp index c0d9233..3a399ae 100644 --- a/src/opengl/qgraphicssystem_gl.cpp +++ b/src/opengl/qgraphicssystem_gl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qgraphicssystem_gl_p.h b/src/opengl/qgraphicssystem_gl_p.h index b80e7a3..ff47854 100644 --- a/src/opengl/qgraphicssystem_gl_p.h +++ b/src/opengl/qgraphicssystem_gl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qpaintengine_opengl.cpp b/src/opengl/qpaintengine_opengl.cpp index ed7fdff..57918d0 100644 --- a/src/opengl/qpaintengine_opengl.cpp +++ b/src/opengl/qpaintengine_opengl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -108,6 +108,10 @@ static bool DEBUG_TEMP_FLAG; #define DEBUG_ONCE_STR(str) DEBUG_ONCE qDebug() << (str); #endif +#ifdef Q_WS_X11 +static bool qt_nvidiaFboNeedsFinish = false; +#endif + static inline void qt_glColor4ubv(unsigned char *col) { glColor4f(col[0]/255.0f, col[1]/255.0f, col[2]/255.0f, col[3]/255.0f); @@ -423,7 +427,7 @@ inline void QGLOffscreen::release() #ifdef Q_WS_X11 // workaround for bug in nvidia driver versions 9x.xx - if (QGLExtensions::nvidiaFboNeedsFinish) + if (qt_nvidiaFboNeedsFinish) glFinish(); #endif @@ -477,7 +481,7 @@ inline QGLContext *QGLOffscreen::context() const bool QGLOffscreen::isSupported() { - return (QGLExtensions::glExtensions & QGLExtensions::FramebufferObject); // for fbo + return (QGLExtensions::glExtensions() & QGLExtensions::FramebufferObject); // for fbo } struct QDrawQueueItem @@ -1266,7 +1270,7 @@ bool QOpenGLPaintEngine::begin(QPaintDevice *pdev) for (int j = 0; j < 4; ++j) d->mv_matrix[i][j] = (i == j ? qreal(1) : qreal(0)); - bool has_frag_program = (QGLExtensions::glExtensions & QGLExtensions::FragmentProgram) + bool has_frag_program = (QGLExtensions::glExtensions() & QGLExtensions::FragmentProgram) && (pdev->devType() != QInternal::Pixmap); QGLContext *ctx = const_cast<QGLContext *>(d->device->context()); @@ -1279,11 +1283,27 @@ bool QOpenGLPaintEngine::begin(QPaintDevice *pdev) has_frag_program = qt_resolve_frag_program_extensions(ctx) && qt_resolve_version_1_3_functions(ctx); d->use_stencil_method = d->device->format().stencil() - && (QGLExtensions::glExtensions & QGLExtensions::StencilWrap); + && (QGLExtensions::glExtensions() & QGLExtensions::StencilWrap); if (d->device->format().directRendering() - && (d->use_stencil_method && QGLExtensions::glExtensions & QGLExtensions::StencilTwoSide)) + && (d->use_stencil_method && QGLExtensions::glExtensions() & QGLExtensions::StencilTwoSide)) d->has_stencil_face_ext = qt_resolve_stencil_face_extension(ctx); +#ifdef Q_WS_X11 + static bool nvidia_workaround_needs_init = true; + if (nvidia_workaround_needs_init) { + // nvidia 9x.xx unix drivers contain a bug which requires us to + // call glFinish before releasing an fbo to avoid painting + // artifacts + const QByteArray versionString(reinterpret_cast<const char*>(glGetString(GL_VERSION))); + const int pos = versionString.indexOf("NVIDIA"); + if (pos >= 0) { + const float nvidiaDriverVersion = versionString.mid(pos + strlen("NVIDIA")).toFloat(); + qt_nvidiaFboNeedsFinish = nvidiaDriverVersion >= 90.0 && nvidiaDriverVersion < 100.0; + } + nvidia_workaround_needs_init = false; + } +#endif + #ifndef QT_OPENGL_ES if (!ctx->d_ptr->internal_context) { glGetDoublev(GL_PROJECTION_MATRIX, &d->projection_matrix[0][0]); @@ -1333,10 +1353,10 @@ bool QOpenGLPaintEngine::begin(QPaintDevice *pdev) glDisableClientState(GL_TEXTURE_COORD_ARRAY); glDisableClientState(GL_VERTEX_ARRAY); - if (QGLExtensions::glExtensions & QGLExtensions::SampleBuffers) + if (QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers) glDisable(GL_MULTISAMPLE); glDisable(GL_TEXTURE_2D); - if (QGLExtensions::glExtensions & QGLExtensions::TextureRectangle) + if (QGLExtensions::glExtensions() & QGLExtensions::TextureRectangle) glDisable(GL_TEXTURE_RECTANGLE_NV); glDisable(GL_STENCIL_TEST); glDisable(GL_CULL_FACE); @@ -1534,7 +1554,7 @@ void QOpenGLPaintEnginePrivate::updateGradient(const QBrush &brush, const QRectF #ifdef QT_OPENGL_ES Q_UNUSED(brush); #else - bool has_mirrored_repeat = QGLExtensions::glExtensions & QGLExtensions::MirroredRepeat; + bool has_mirrored_repeat = QGLExtensions::glExtensions() & QGLExtensions::MirroredRepeat; Qt::BrushStyle style = brush.style(); QTransform m = brush.transform(); @@ -2098,7 +2118,7 @@ static inline bool needsEmulation(Qt::BrushStyle style) { return !(style == Qt::SolidPattern || (style == Qt::LinearGradientPattern - && (QGLExtensions::glExtensions & QGLExtensions::MirroredRepeat))); + && (QGLExtensions::glExtensions() & QGLExtensions::MirroredRepeat))); } void QOpenGLPaintEnginePrivate::updateUseEmulation() @@ -2420,12 +2440,12 @@ void QOpenGLPaintEngine::updateRenderHints(QPainter::RenderHints hints) d->high_quality_antialiasing = true; } else { d->high_quality_antialiasing = false; - if (QGLExtensions::glExtensions & QGLExtensions::SampleBuffers) + if (QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers) glEnable(GL_MULTISAMPLE); } } else { d->high_quality_antialiasing = false; - if (QGLExtensions::glExtensions & QGLExtensions::SampleBuffers) + if (QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers) glDisable(GL_MULTISAMPLE); } @@ -2435,14 +2455,14 @@ void QOpenGLPaintEngine::updateRenderHints(QPainter::RenderHints hints) if (!d->offscreen.isValid()) { DEBUG_ONCE_STR("Unable to initialize offscreen, disabling high quality antialiasing"); d->high_quality_antialiasing = false; - if (QGLExtensions::glExtensions & QGLExtensions::SampleBuffers) + if (QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers) glEnable(GL_MULTISAMPLE); } } d->has_antialiasing = d->high_quality_antialiasing || ((hints & QPainter::Antialiasing) - && (QGLExtensions::glExtensions & QGLExtensions::SampleBuffers)); + && (QGLExtensions::glExtensions() & QGLExtensions::SampleBuffers)); } @@ -4522,6 +4542,12 @@ typedef QHash<QFontEngine*, QGLGlyphHash*> QGLFontGlyphHash; typedef QHash<quint64, QGLFontTexture*> QGLFontTexHash; typedef QHash<const QGLContext*, QGLFontGlyphHash*> QGLContextHash; +static inline void qt_delete_glyph_hash(QGLGlyphHash *hash) +{ + qDeleteAll(*hash); + delete hash; +} + class QGLGlyphCache : public QObject { Q_OBJECT @@ -4562,7 +4588,7 @@ void QGLGlyphCache::fontEngineDestroyed(QObject *o) if (font_cache->find(fe) != font_cache->end()) { ctx = keys.at(i); QGLGlyphHash *cache = font_cache->take(fe); - delete cache; + qt_delete_glyph_hash(cache); break; } } @@ -4599,7 +4625,7 @@ void QGLGlyphCache::cleanupContext(const QGLContext *ctx) QList<QFontEngine *> keys = font_cache->keys(); for (int i=0; i < keys.size(); ++i) { QFontEngine *fe = keys.at(i); - delete font_cache->take(fe); + qt_delete_glyph_hash(font_cache->take(fe)); quint64 font_key = (reinterpret_cast<quint64>(ctx) << 32) | reinterpret_cast<quint64>(fe); QGLFontTexture *font_tex = qt_font_textures.take(font_key); if (font_tex) { @@ -4640,7 +4666,9 @@ void QGLGlyphCache::cleanCache() QList<const QGLContext *> keys = qt_context_cache.keys(); for (int i=0; i < keys.size(); ++i) { QGLFontGlyphHash *font_cache = qt_context_cache.value(keys.at(i)); - qDeleteAll(*font_cache); + QGLFontGlyphHash::Iterator it = font_cache->begin(); + for (; it != font_cache->end(); ++it) + qt_delete_glyph_hash(it.value()); font_cache->clear(); } qDeleteAll(qt_context_cache); @@ -4923,7 +4951,8 @@ void QOpenGLPaintEngine::drawTextItem(const QPointF &p, const QTextItem &textIte glEnableClientState(GL_VERTEX_ARRAY); glEnableClientState(GL_TEXTURE_COORD_ARRAY); - bool antialias = !(ti.fontEngine->fontDef.styleStrategy & QFont::NoAntialias); + bool antialias = !(ti.fontEngine->fontDef.styleStrategy & QFont::NoAntialias) + && (d->matrix.type() > QTransform::TxTranslate); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, antialias ? GL_LINEAR : GL_NEAREST); glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, antialias ? GL_LINEAR : GL_NEAREST); diff --git a/src/opengl/qpaintengine_opengl_p.h b/src/opengl/qpaintengine_opengl_p.h index 4fea638..de0086a 100644 --- a/src/opengl/qpaintengine_opengl_p.h +++ b/src/opengl/qpaintengine_opengl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp index 92c990b..6d47687 100644 --- a/src/opengl/qpixmapdata_gl.cpp +++ b/src/opengl/qpixmapdata_gl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -252,6 +252,10 @@ QGLPixmapData::QGLPixmapData(PixelType type) { setSerialNumber(++qt_gl_pixmap_serial); m_glDevice.setPixmapData(this); + + // Set InteralBindOptions minus the memory managed, since this + // QGLTexture is not managed as part of the internal texture cache + m_texture.options = QGLContext::PremultipliedAlphaBindOption; } QGLPixmapData::~QGLPixmapData() @@ -340,18 +344,18 @@ void QGLPixmapData::ensureCreated() const } if (!m_source.isNull()) { + glBindTexture(target, m_texture.id); if (external_format == GL_RGB) { const QImage tx = m_source.convertToFormat(QImage::Format_RGB888); - - glBindTexture(target, m_texture.id); glTexSubImage2D(target, 0, 0, 0, w, h, external_format, GL_UNSIGNED_BYTE, tx.bits()); } else { const QImage tx = ctx->d_func()->convertToGLFormat(m_source, true, external_format); - - glBindTexture(target, m_texture.id); glTexSubImage2D(target, 0, 0, 0, w, h, external_format, GL_UNSIGNED_BYTE, tx.bits()); + // convertToGLFormat will flip the Y axis, so it needs to + // be drawn upside down + m_texture.options |= QGLContext::InvertedYBindOption; } if (useFramebufferObjects()) diff --git a/src/opengl/qpixmapdata_gl_p.h b/src/opengl/qpixmapdata_gl_p.h index 007c52a..e3ba5f8 100644 --- a/src/opengl/qpixmapdata_gl_p.h +++ b/src/opengl/qpixmapdata_gl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qpixmapdata_x11gl_egl.cpp b/src/opengl/qpixmapdata_x11gl_egl.cpp index 813e6c8..55aa1d0 100644 --- a/src/opengl/qpixmapdata_x11gl_egl.cpp +++ b/src/opengl/qpixmapdata_x11gl_egl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -39,10 +39,19 @@ ** ****************************************************************************/ +#include <QDebug> + #include <private/qgl_p.h> #include <private/qegl_p.h> #include <private/qeglproperties_p.h> + +#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL) #include <private/qpaintengineex_opengl2_p.h> +#endif + +#ifndef QT_OPENGL_ES_2 +#include <private/qpaintengine_opengl_p.h> +#endif #include "qpixmapdata_x11gl_p.h" @@ -187,7 +196,14 @@ QX11GLPixmapData::~QX11GLPixmapData() { } -static QGL2PaintEngineEx* qt_gl2_engine_for_pixmaps = 0; +#if !defined(QT_OPENGL_ES_1) && !defined(QT_OPENGL_ES_1_CL) +Q_GLOBAL_STATIC(QGL2PaintEngineEx, qt_gl_pixmap_2_engine) +#endif + +#ifndef QT_OPENGL_ES_2 +Q_GLOBAL_STATIC(QOpenGLPaintEngine, qt_gl_pixmap_engine) +#endif + QPaintEngine* QX11GLPixmapData::paintEngine() const { @@ -202,18 +218,41 @@ QPaintEngine* QX11GLPixmapData::paintEngine() const : qPixmapRGBSharedEglContext); } - if (!qt_gl2_engine_for_pixmaps) - qt_gl2_engine_for_pixmaps = new QGL2PaintEngineEx(); + QPaintEngine* engine; + +#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL) + engine = qt_gl_pixmap_engine(); +#elif defined(QT_OPENGL_ES_2) + engine = qt_gl_pixmap_2_engine(); +#else + if (qt_gl_preferGL2Engine()) + engine = qt_gl_pixmap_2_engine(); + else + engine = qt_gl_pixmap_engine(); +#endif + + // Support multiple painters on multiple pixmaps simultaniously - if (qt_gl2_engine_for_pixmaps->isActive()) { + if (engine->isActive()) { qWarning("Pixmap paint engine already active"); - QPaintEngine* engine = new QGL2PaintEngineEx(); + +#if defined(QT_OPENGL_ES_1) || defined(QT_OPENGL_ES_1_CL) + engine = new QOpenGLPaintEngine; +#elif defined(QT_OPENGL_ES_2) + engine = new QGL2PaintEngineEx; +#else + if (qt_gl_preferGL2Engine()) + engine = new QGL2PaintEngineEx; + else + engine = new QOpenGLPaintEngine; +#endif + engine->setAutoDestruct(true); return engine; } - return qt_gl2_engine_for_pixmaps; + return engine; } void QX11GLPixmapData::beginPaint() diff --git a/src/opengl/qpixmapdata_x11gl_p.h b/src/opengl/qpixmapdata_x11gl_p.h index bba9bb3..c9f4f56 100644 --- a/src/opengl/qpixmapdata_x11gl_p.h +++ b/src/opengl/qpixmapdata_x11gl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp index 7194f9d..7a565e6 100644 --- a/src/opengl/qwindowsurface_gl.cpp +++ b/src/opengl/qwindowsurface_gl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -295,7 +295,6 @@ QGLWindowSurface::QGLWindowSurface(QWidget *window) : QWindowSurface(window), d_ptr(new QGLWindowSurfacePrivate) { Q_ASSERT(window->isTopLevel()); - QGLExtensions::init(); d_ptr->pb = 0; d_ptr->fbo = 0; d_ptr->ctx = 0; @@ -520,7 +519,7 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint & glDisable(GL_SCISSOR_TEST); - if (d_ptr->fbo && (QGLExtensions::glExtensions & QGLExtensions::FramebufferBlit)) { + if (d_ptr->fbo && (QGLExtensions::glExtensions() & QGLExtensions::FramebufferBlit)) { const int h = d_ptr->fbo->height(); const int sx0 = br.left(); @@ -698,7 +697,7 @@ void QGLWindowSurface::updateGeometry() { } if (d_ptr->destructive_swap_buffers - && (QGLExtensions::glExtensions & QGLExtensions::FramebufferObject) + && (QGLExtensions::glExtensions() & QGLExtensions::FramebufferObject) && (d_ptr->fbo || !d_ptr->tried_fbo) && qt_gl_preferGL2Engine()) { @@ -712,7 +711,7 @@ void QGLWindowSurface::updateGeometry() { format.setInternalTextureFormat(GLenum(GL_RGBA)); format.setTextureTarget(target); - if (QGLExtensions::glExtensions & QGLExtensions::FramebufferBlit) + if (QGLExtensions::glExtensions() & QGLExtensions::FramebufferBlit) format.setSamples(8); d_ptr->fbo = new QGLFramebufferObject(rect.size(), format); diff --git a/src/opengl/qwindowsurface_gl_p.h b/src/opengl/qwindowsurface_gl_p.h index 5a9f38c..8ea714c 100644 --- a/src/opengl/qwindowsurface_gl_p.h +++ b/src/opengl/qwindowsurface_gl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qwindowsurface_x11gl.cpp b/src/opengl/qwindowsurface_x11gl.cpp index db81be2..27b91ba 100644 --- a/src/opengl/qwindowsurface_x11gl.cpp +++ b/src/opengl/qwindowsurface_x11gl.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/qwindowsurface_x11gl_p.h b/src/opengl/qwindowsurface_x11gl_p.h index 5ba4dc5..90f3ad5 100644 --- a/src/opengl/qwindowsurface_x11gl_p.h +++ b/src/opengl/qwindowsurface_x11gl_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/util/fragmentprograms_p.h b/src/opengl/util/fragmentprograms_p.h index 2241057..5e0dc6c 100644 --- a/src/opengl/util/fragmentprograms_p.h +++ b/src/opengl/util/fragmentprograms_p.h @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** diff --git a/src/opengl/util/generator.cpp b/src/opengl/util/generator.cpp index 0202fe1..e0148b2 100644 --- a/src/opengl/util/generator.cpp +++ b/src/opengl/util/generator.cpp @@ -1,6 +1,6 @@ /**************************************************************************** ** -** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ** All rights reserved. ** Contact: Nokia Corporation (qt-info@nokia.com) ** @@ -287,7 +287,7 @@ void writeIncludeFile(const QSet<QString> &variables, out << "/****************************************************************************\n" "**\n" - "** Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies).\n" + "** Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies).\n" "** All rights reserved.\n" "** Contact: Nokia Corporation (qt-info@nokia.com)\n" "**\n" diff --git a/src/opengl/util/glsl_to_include.sh b/src/opengl/util/glsl_to_include.sh index e0421c5..1536bfd 100755 --- a/src/opengl/util/glsl_to_include.sh +++ b/src/opengl/util/glsl_to_include.sh @@ -1,7 +1,7 @@ #! /bin/sh ############################################################################# ## -## Copyright (C) 2009 Nokia Corporation and/or its subsidiary(-ies). +## Copyright (C) 2010 Nokia Corporation and/or its subsidiary(-ies). ## All rights reserved. ## Contact: Nokia Corporation (qt-info@nokia.com) ## |