diff options
Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 823 |
1 files changed, 270 insertions, 553 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index fb9bcb4..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); @@ -386,32 +137,41 @@ inline QColor qt_premultiplyColor(QColor c, GLfloat opacity) } -void QGL2PaintEngineExPrivate::setBrush(const QBrush* brush) +void QGL2PaintEngineExPrivate::setBrush(const QBrush& brush) { + if (qbrush_fast_equals(currentBrush, brush)) + return; + + const Qt::BrushStyle newStyle = qbrush_style(brush); + Q_ASSERT(newStyle != Qt::NoBrush); + currentBrush = brush; - brushTextureDirty = true; - brushUniformsDirty = true; - if (currentBrush->style() == Qt::TexturePattern - && qHasPixmapTexture(*brush) && brush->texture().isQBitmap()) + brushUniformsDirty = true; // All brushes have at least one uniform + + if (newStyle > Qt::SolidPattern) + brushTextureDirty = 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; } } @@ -420,7 +180,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() { Q_Q(QGL2PaintEngineEx); // qDebug("QGL2PaintEngineExPrivate::updateBrushTexture()"); - Qt::BrushStyle style = currentBrush->style(); + Qt::BrushStyle style = currentBrush.style(); if ( (style >= Qt::Dense1Pattern) && (style <= Qt::DiagCrossPattern) ) { // Get the image data for the pattern @@ -433,7 +193,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() else if (style >= Qt::LinearGradientPattern && style <= Qt::ConicalGradientPattern) { // Gradiant brush: All the gradiants use the same texture - const QGradient* g = currentBrush->gradient(); + const QGradient* g = currentBrush.gradient(); // We apply global opacity in the fragment shaders, so we always pass 1.0 // for opacity to the cache. @@ -450,7 +210,7 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() updateTextureFilter(GL_TEXTURE_2D, GL_CLAMP_TO_EDGE, q->state()->renderHints & QPainter::SmoothPixmapTransform); } else if (style == Qt::TexturePattern) { - const QPixmap& texPixmap = currentBrush->texture(); + const QPixmap& texPixmap = currentBrush.texture(); glActiveTexture(GL_TEXTURE0 + QT_BRUSH_TEXTURE_UNIT); QGLTexture *tex = ctx->d_func()->bindTexture(texPixmap, GL_TEXTURE_2D, GL_RGBA, QGLContext::InternalBindOption); @@ -464,15 +224,15 @@ void QGL2PaintEngineExPrivate::updateBrushTexture() void QGL2PaintEngineExPrivate::updateBrushUniforms() { // qDebug("QGL2PaintEngineExPrivate::updateBrushUniforms()"); - Qt::BrushStyle style = currentBrush->style(); + Qt::BrushStyle style = currentBrush.style(); if (style == Qt::NoBrush) return; - QTransform brushQTransform = currentBrush->transform(); + QTransform brushQTransform = currentBrush.transform(); if (style == Qt::SolidPattern) { - QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity); + QColor col = qt_premultiplyColor(currentBrush.color(), (GLfloat)q->state()->opacity); shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::FragmentColor), col); } else { @@ -480,7 +240,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() QPointF translationPoint; if (style <= Qt::DiagCrossPattern) { - QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity); + QColor col = qt_premultiplyColor(currentBrush.color(), (GLfloat)q->state()->opacity); shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col); @@ -488,7 +248,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize); } else if (style == Qt::LinearGradientPattern) { - const QLinearGradient *g = static_cast<const QLinearGradient *>(currentBrush->gradient()); + const QLinearGradient *g = static_cast<const QLinearGradient *>(currentBrush.gradient()); QPointF realStart = g->start(); QPointF realFinal = g->finalStop(); @@ -508,7 +268,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize); } else if (style == Qt::ConicalGradientPattern) { - const QConicalGradient *g = static_cast<const QConicalGradient *>(currentBrush->gradient()); + const QConicalGradient *g = static_cast<const QConicalGradient *>(currentBrush.gradient()); translationPoint = g->center(); GLfloat angle = -(g->angle() * 2 * Q_PI) / 360.0; @@ -519,7 +279,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize); } else if (style == Qt::RadialGradientPattern) { - const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush->gradient()); + const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush.gradient()); QPointF realCenter = g->center(); QPointF realFocal = g->focalPoint(); qreal realRadius = g->radius(); @@ -537,10 +297,10 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize); } else if (style == Qt::TexturePattern) { - const QPixmap& texPixmap = currentBrush->texture(); + const QPixmap& texPixmap = currentBrush.texture(); - if (qHasPixmapTexture(*currentBrush) && currentBrush->texture().isQBitmap()) { - QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity); + if (qHasPixmapTexture(currentBrush) && currentBrush.texture().isQBitmap()) { + QColor col = qt_premultiplyColor(currentBrush.color(), (GLfloat)q->state()->opacity); shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col); } @@ -561,7 +321,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() QTransform gl_to_qt(1, 0, 0, -1, 0, height); QTransform inv_matrix; if (style == Qt::TexturePattern && textureInvertedY == -1) - inv_matrix = gl_to_qt * (QTransform(1, 0, 0, -1, 0, currentBrush->texture().height()) * brushQTransform * matrix).inverted() * translate; + inv_matrix = gl_to_qt * (QTransform(1, 0, 0, -1, 0, currentBrush.texture().height()) * brushQTransform * matrix).inverted() * translate; else inv_matrix = gl_to_qt * (brushQTransform * matrix).inverted() * translate; @@ -577,37 +337,52 @@ void QGL2PaintEngineExPrivate::updateMatrix() { // qDebug("QGL2PaintEngineExPrivate::updateMatrix()"); - // We set up the 4x4 transformation matrix on the vertex shaders to - // be the equivalent of glOrtho(0, w, h, 0, -1, 1) * transform: + const QTransform& transform = q->state()->matrix; + + // The projection matrix converts from Qt's coordinate system to GL's coordinate system + // * GL's viewport is 2x2, Qt's is width x height + // * GL has +y -> -y going from bottom -> top, Qt is the other way round + // * GL has [0,0] in the center, Qt has it in the top-left // - // | 2/width 0 0 -1 | | m11 m21 0 dx | - // | 0 -2/height 0 1 | | m12 m22 0 dy | - // | 0 0 -1 0 | * | 0 0 1 0 | - // | 0 0 0 1 | | m13 m23 0 m33 | + // This results in the Projection matrix below, which is multiplied by the painter's + // transformation matrix, as shown below: // - // We expand out the multiplication to save the cost of a full 4x4 - // matrix multiplication as most of the components are trivial. - const QTransform& transform = q->state()->matrix; + // Projection Matrix Painter Transform + // ------------------------------------------------ ------------------------ + // | 2.0 / width | 0.0 | -1.0 | | m11 | m21 | dx | + // | 0.0 | -2.0 / height | 1.0 | * | m12 | m22 | dy | + // | 0.0 | 0.0 | 1.0 | | m13 | m23 | m33 | + // ------------------------------------------------ ------------------------ + // + // NOTE: The resultant matrix is also transposed, as GL expects column-major matracies + + 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; + } - qreal wfactor = 2.0 / width; - qreal hfactor = -2.0 / height; - - pmvMatrix[0][0] = wfactor * transform.m11() - transform.m13(); - pmvMatrix[0][1] = hfactor * transform.m12() + transform.m13(); - pmvMatrix[0][2] = 0.0; - pmvMatrix[0][3] = transform.m13(); - pmvMatrix[1][0] = wfactor * transform.m21() - transform.m23(); - pmvMatrix[1][1] = hfactor * transform.m22() + transform.m23(); - pmvMatrix[1][2] = 0.0; - pmvMatrix[1][3] = transform.m23(); - pmvMatrix[2][0] = 0.0; - pmvMatrix[2][1] = 0.0; - pmvMatrix[2][2] = -1.0; - pmvMatrix[2][3] = 0.0; - pmvMatrix[3][0] = wfactor * transform.dx() - transform.m33(); - pmvMatrix[3][1] = hfactor * transform.dy() + transform.m33(); - pmvMatrix[3][2] = 0.0; - pmvMatrix[3][3] = transform.m33(); + pmvMatrix[0][0] = (wfactor * transform.m11()) - transform.m13(); + pmvMatrix[1][0] = (wfactor * transform.m21()) - transform.m23(); + 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 * dy) + transform.m33(); + pmvMatrix[0][2] = transform.m13(); + pmvMatrix[1][2] = transform.m23(); + pmvMatrix[2][2] = transform.m33(); // 1/10000 == 0.0001, so we have good enough res to cover curves // that span the entire widget... @@ -694,7 +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); @@ -723,6 +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 @@ -749,7 +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(); @@ -768,6 +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() @@ -776,49 +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... @@ -840,13 +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; @@ -857,6 +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(); @@ -866,7 +656,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) // Check to see if there's any hints if (path.shape() == QVectorPath::RectangleHint) { QGLRect rect(points[0].x(), points[0].y(), points[2].x(), points[2].y()); - prepareForDraw(currentBrush->isOpaque()); + prepareForDraw(currentBrush.isOpaque()); composite(rect); } else if (path.isConvex()) { @@ -892,7 +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. @@ -914,13 +704,12 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) #endif } - prepareForDraw(currentBrush->isOpaque()); - glEnableVertexAttribArray(QT_VERTEX_COORDS_ATTR); + prepareForDraw(currentBrush.isOpaque()); #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); @@ -933,7 +722,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path) path.makeCacheable(); vertexCoordinateArray.clear(); vertexCoordinateArray.addPath(path, inverseScale, false); - prepareForDraw(currentBrush->isOpaque()); + prepareForDraw(currentBrush.isOpaque()); drawVertexArrays(vertexCoordinateArray, GL_TRIANGLE_FAN); } @@ -957,20 +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(); + prepareForDraw(currentBrush.isOpaque()); // Stencil the brush onto the dest buffer composite(vertexCoordinateArray.boundingRect()); - - if (inRenderText) - restoreDepthRangeForRenderText(); - glStencilMask(0); - updateClipScissorTest(); } } @@ -1009,13 +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) { @@ -1056,10 +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); @@ -1069,21 +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 - } /* @@ -1155,10 +918,10 @@ bool QGL2PaintEngineExPrivate::prepareForDraw(bool srcPixelsAreOpaque) : QGLEngineShaderManager::NoOpacity; if (stateHasOpacity && (mode != ImageDrawingMode)) { // Using a brush - bool brushIsPattern = (currentBrush->style() >= Qt::Dense1Pattern) && - (currentBrush->style() <= Qt::DiagCrossPattern); + bool brushIsPattern = (currentBrush.style() >= Qt::Dense1Pattern) && + (currentBrush.style() <= Qt::DiagCrossPattern); - if ((currentBrush->style() == Qt::SolidPattern) || brushIsPattern) + if ((currentBrush.style() == Qt::SolidPattern) || brushIsPattern) opacityMode = QGLEngineShaderManager::NoOpacity; // Global opacity handled by srcPixel shader } } @@ -1177,7 +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; } @@ -1191,20 +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. @@ -1212,8 +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) { @@ -1226,31 +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 ////////////////////////////////////////// @@ -1268,31 +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; - } - - d->setBrush(&brush); + 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 @@ -1302,9 +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(); @@ -1315,53 +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) @@ -1371,30 +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(); } } @@ -1434,7 +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!"); } @@ -1512,8 +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); @@ -1532,7 +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 @@ -1574,8 +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(); @@ -1583,9 +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(); @@ -1598,16 +1296,20 @@ 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()); - QBrush pensBrush = q->state()->pen.brush(); - setBrush(&pensBrush); + if (addOffset) { + addOffset = false; + matrixDirty = true; + } + if (!snapToPixelGrid) { + snapToPixelGrid = true; + matrixDirty = true; + } - if (inRenderText) - prepareDepthRangeForRenderText(); + QBrush pensBrush = q->state()->pen.brush(); + setBrush(pensBrush); if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) { @@ -1649,7 +1351,7 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly q->state()->opacity = 1; opacityUniformDirty = true; pensBrush = Qt::white; - setBrush(&pensBrush); + setBrush(pensBrush); } compositionModeDirty = false; // I can handle this myself, thank you very much @@ -1670,7 +1372,7 @@ void QGL2PaintEngineExPrivate::drawCachedGlyphs(const QPointF &p, QFontEngineGly q->state()->opacity = oldOpacity; opacityUniformDirty = true; pensBrush = q->state()->pen.brush(); - setBrush(&pensBrush); + setBrush(pensBrush); } compositionModeDirty = false; @@ -1693,27 +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; @@ -1730,31 +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 @@ -1762,27 +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); @@ -1814,7 +1527,8 @@ 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); d->stencilClean = true; @@ -1833,11 +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); @@ -1847,6 +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; @@ -1914,6 +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()); } } @@ -1934,12 +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)); @@ -1994,6 +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(); @@ -2093,7 +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 { @@ -2165,13 +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; } } @@ -2181,19 +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; @@ -2272,12 +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) { @@ -2302,5 +2021,3 @@ QOpenGL2PaintEngineState::~QOpenGL2PaintEngineState() } QT_END_NAMESPACE - -#include "qpaintengineex_opengl2.moc" |