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-rw-r--r--src/opengl/gl2paintengineex/qglengineshadermanager_p.h2
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp10
-rw-r--r--src/opengl/gl2paintengineex/qtriangulator.cpp21
-rw-r--r--src/opengl/qgl.cpp8
-rw-r--r--src/opengl/qgl_egl.cpp4
-rw-r--r--src/opengl/qgl_p.h6
-rw-r--r--src/opengl/qglextensions_p.h23
-rw-r--r--src/opengl/qglframebufferobject.cpp23
-rw-r--r--src/opengl/qglpixelbuffer.cpp4
-rw-r--r--src/opengl/qglpixmapfilter.cpp6
-rw-r--r--src/opengl/qpaintengine_opengl.cpp2
-rw-r--r--src/opengl/qpixmapdata_gl.cpp4
-rw-r--r--src/opengl/qpixmapdata_gl_p.h1
-rw-r--r--src/opengl/qwindowsurface_gl.cpp140
-rw-r--r--src/opengl/qwindowsurface_gl_p.h1
15 files changed, 142 insertions, 113 deletions
diff --git a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
index e5ababf..d24f302 100644
--- a/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadermanager_p.h
@@ -455,7 +455,7 @@ public:
AttributeOpacity
};
- // There are optimisations we can do, depending on the brush transform:
+ // There are optimizations 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(QTransform::TransformationType transformType);
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 025731d..14c26b9 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -102,7 +102,7 @@ extern Q_GUI_EXPORT bool qt_cleartype_enabled;
extern bool qt_applefontsmoothing_enabled;
#endif
-extern QImage qt_imageForBrush(int brushStyle, bool invert);
+Q_DECL_IMPORT extern QImage qt_imageForBrush(int brushStyle, bool invert);
////////////////////////////////// Private Methods //////////////////////////////////////////
@@ -825,7 +825,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, cache->ibo);
- if (glSupportsElementIndexUint)
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint)
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(quint32) * polys.indices.size(), polys.indices.data(), GL_STATIC_DRAW);
else
glBufferData(GL_ELEMENT_ARRAY_BUFFER, sizeof(quint16) * polys.indices.size(), polys.indices.data(), GL_STATIC_DRAW);
@@ -836,7 +836,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
glBufferData(GL_ARRAY_BUFFER, sizeof(float) * vertices.size(), vertices.data(), GL_STATIC_DRAW);
#else
cache->vertices = (float *) qMalloc(sizeof(float) * polys.vertices.size());
- if (glSupportsElementIndexUint) {
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint) {
cache->indices = (quint32 *) qMalloc(sizeof(quint32) * polys.indices.size());
memcpy(cache->indices, polys.indices.data(), sizeof(quint32) * polys.indices.size());
} else {
@@ -853,7 +853,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
glBindBuffer(GL_ARRAY_BUFFER, cache->vbo);
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, cache->ibo);
setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, 0);
- if (glSupportsElementIndexUint)
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint)
glDrawElements(cache->primitiveType, cache->indexCount, GL_UNSIGNED_INT, 0);
else
glDrawElements(cache->primitiveType, cache->indexCount, GL_UNSIGNED_SHORT, 0);
@@ -861,7 +861,7 @@ void QGL2PaintEngineExPrivate::fill(const QVectorPath& path)
glBindBuffer(GL_ARRAY_BUFFER, 0);
#else
setVertexAttributePointer(QT_VERTEX_COORDS_ATTR, cache->vertices);
- if (glSupportsElementIndexUint)
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint)
glDrawElements(cache->primitiveType, cache->indexCount, GL_UNSIGNED_INT, (qint32 *)cache->indices);
else
glDrawElements(cache->primitiveType, cache->indexCount, GL_UNSIGNED_SHORT, (qint16 *)cache->indices);
diff --git a/src/opengl/gl2paintengineex/qtriangulator.cpp b/src/opengl/gl2paintengineex/qtriangulator.cpp
index b839b00..85f604a 100644
--- a/src/opengl/gl2paintengineex/qtriangulator.cpp
+++ b/src/opengl/gl2paintengineex/qtriangulator.cpp
@@ -58,7 +58,6 @@
#include <math.h>
#include <private/qgl_p.h>
-#include <private/qglextensions_p.h>
QT_BEGIN_NAMESPACE
@@ -3014,10 +3013,8 @@ void QTriangulator<T>::MonotoneToTriangles::decompose()
QTriangleSet qTriangulate(const qreal *polygon,
int count, uint hint, const QTransform &matrix)
{
- QGLContext *ctx = 0; // Not really used but needs to be introduced for glSupportsElementIndexUint
-
QTriangleSet triangleSet;
- if (glSupportsElementIndexUint) {
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint) {
QTriangulator<quint32> triangulator;
triangulator.initialize(polygon, count, hint, matrix);
QVertexSet<quint32> vertexSet = triangulator.triangulate();
@@ -3037,10 +3034,8 @@ QTriangleSet qTriangulate(const qreal *polygon,
QTriangleSet qTriangulate(const QVectorPath &path,
const QTransform &matrix, qreal lod)
{
- QGLContext *ctx = 0; // Not really used but needs to be introduced for glSupportsElementIndexUint
-
QTriangleSet triangleSet;
- if (glSupportsElementIndexUint) {
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint) {
QTriangulator<quint32> triangulator;
triangulator.initialize(path, matrix, lod);
QVertexSet<quint32> vertexSet = triangulator.triangulate();
@@ -3059,10 +3054,8 @@ QTriangleSet qTriangulate(const QVectorPath &path,
QTriangleSet qTriangulate(const QPainterPath &path,
const QTransform &matrix, qreal lod)
{
- QGLContext *ctx = 0; // Not really used but needs to be introduced for glSupportsElementIndexUint
-
QTriangleSet triangleSet;
- if (glSupportsElementIndexUint) {
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint) {
QTriangulator<quint32> triangulator;
triangulator.initialize(path, matrix, lod);
QVertexSet<quint32> vertexSet = triangulator.triangulate();
@@ -3081,10 +3074,8 @@ QTriangleSet qTriangulate(const QPainterPath &path,
QPolylineSet qPolyline(const QVectorPath &path,
const QTransform &matrix, qreal lod)
{
- QGLContext *ctx = 0; // Not really used but needs to be introduced for glSupportsElementIndexUint
-
QPolylineSet polyLineSet;
- if (glSupportsElementIndexUint) {
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint) {
QTriangulator<quint32> triangulator;
triangulator.initialize(path, matrix, lod);
QVertexSet<quint32> vertexSet = triangulator.polyline();
@@ -3103,10 +3094,8 @@ QPolylineSet qPolyline(const QVectorPath &path,
QPolylineSet qPolyline(const QPainterPath &path,
const QTransform &matrix, qreal lod)
{
- QGLContext *ctx = 0; // Not really used but needs to be introduced for glSupportsElementIndexUint
-
QPolylineSet polyLineSet;
- if (glSupportsElementIndexUint) {
+ if (QGLExtensions::glExtensions() & QGLExtensions::ElementIndexUint) {
QTriangulator<quint32> triangulator;
triangulator.initialize(path, matrix, lod);
QVertexSet<quint32> vertexSet = triangulator.polyline();
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index 66b146d..f316db6 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -2128,7 +2128,7 @@ void QGLContextPrivate::syncGlState()
#undef ctx
#ifdef QT_NO_EGL
-void QGLContextPrivate::swapRegion(const QRegion *)
+void QGLContextPrivate::swapRegion(const QRegion &)
{
Q_Q(QGLContext);
q->swapBuffers();
@@ -5363,6 +5363,12 @@ QGLExtensions::Extensions QGLExtensions::currentContextExtensions()
#if defined(QT_OPENGL_ES)
if (extensions.match("GL_OES_packed_depth_stencil"))
glExtensions |= PackedDepthStencil;
+ if (extensions.match("GL_OES_element_index_uint"))
+ glExtensions |= ElementIndexUint;
+ if (extensions.match("GL_OES_depth24"))
+ glExtensions |= Depth24;
+#else
+ glExtensions |= ElementIndexUint;
#endif
if (extensions.match("GL_ARB_framebuffer_object")) {
// ARB_framebuffer_object also includes EXT_framebuffer_blit.
diff --git a/src/opengl/qgl_egl.cpp b/src/opengl/qgl_egl.cpp
index c79c4cd..27f7ad9 100644
--- a/src/opengl/qgl_egl.cpp
+++ b/src/opengl/qgl_egl.cpp
@@ -276,12 +276,12 @@ EGLSurface QGLContextPrivate::eglSurfaceForDevice() const
return eglSurface;
}
-void QGLContextPrivate::swapRegion(const QRegion *region)
+void QGLContextPrivate::swapRegion(const QRegion &region)
{
if (!valid || !eglContext)
return;
- eglContext->swapBuffersRegion2NOK(eglSurfaceForDevice(), region);
+ eglContext->swapBuffersRegion2NOK(eglSurfaceForDevice(), &region);
}
void QGLWidget::setMouseTracking(bool enable)
diff --git a/src/opengl/qgl_p.h b/src/opengl/qgl_p.h
index 0a5c649..8c7f15c 100644
--- a/src/opengl/qgl_p.h
+++ b/src/opengl/qgl_p.h
@@ -286,7 +286,9 @@ public:
DDSTextureCompression = 0x00008000,
ETC1TextureCompression = 0x00010000,
PVRTCTextureCompression = 0x00020000,
- FragmentShader = 0x00040000
+ FragmentShader = 0x00040000,
+ ElementIndexUint = 0x00080000,
+ Depth24 = 0x00100000
};
Q_DECLARE_FLAGS(Extensions, Extension)
@@ -345,7 +347,7 @@ public:
void setVertexAttribArrayEnabled(int arrayIndex, bool enabled = true);
void syncGlState(); // Makes sure the GL context's state is what we think it is
- void swapRegion(const QRegion *region);
+ void swapRegion(const QRegion &region);
#if defined(Q_WS_WIN)
void updateFormatVersion();
diff --git a/src/opengl/qglextensions_p.h b/src/opengl/qglextensions_p.h
index bf1dbbc..ffbc472 100644
--- a/src/opengl/qglextensions_p.h
+++ b/src/opengl/qglextensions_p.h
@@ -346,17 +346,6 @@ struct QGLExtensionFuncs
qt_glEGLImageTargetTexture2DOES = 0;
qt_glEGLImageTargetRenderbufferStorageOES = 0;
#endif
-
- // OES_element_index_uint
-#if !defined(QT_OPENGL_ES)
- qt_glSupportsElementIndexUint = true;
-#else
- QString extensions = reinterpret_cast<const char *>(glGetString(GL_EXTENSIONS));
- if (extensions.contains("GL_OES_element_index_uint"))
- qt_glSupportsElementIndexUint = true;
- else
- qt_glSupportsElementIndexUint = false;
-#endif
}
@@ -483,8 +472,6 @@ struct QGLExtensionFuncs
_glEGLImageTargetTexture2DOES qt_glEGLImageTargetTexture2DOES;
_glEGLImageTargetRenderbufferStorageOES qt_glEGLImageTargetRenderbufferStorageOES;
#endif
-
- bool qt_glSupportsElementIndexUint;
};
@@ -576,6 +563,14 @@ struct QGLExtensionFuncs
#define GL_TEXTURE1 0x84C1
#endif
+#ifndef GL_DEPTH_COMPONENT16
+#define GL_DEPTH_COMPONENT16 0x81A5
+#endif
+
+#ifndef GL_DEPTH_COMPONENT24_OES
+#define GL_DEPTH_COMPONENT24_OES 0x81A6
+#endif
+
#ifndef GL_EXT_framebuffer_object
#define GL_INVALID_FRAMEBUFFER_OPERATION_EXT 0x0506
#define GL_MAX_RENDERBUFFER_SIZE_EXT 0x84E8
@@ -883,8 +878,6 @@ struct QGLExtensionFuncs
#define glEGLImageTargetRenderbufferStorageOES QGLContextPrivate::extensionFuncs(ctx).qt_glEGLImageTargetRenderbufferStorageOES
#endif
-#define glSupportsElementIndexUint QGLContextPrivate::extensionFuncs(ctx).qt_glSupportsElementIndexUint
-
extern bool qt_resolve_framebufferobject_extensions(QGLContext *ctx);
bool Q_OPENGL_EXPORT qt_resolve_buffer_extensions(QGLContext *ctx);
diff --git a/src/opengl/qglframebufferobject.cpp b/src/opengl/qglframebufferobject.cpp
index 5d78ac0..6881678 100644
--- a/src/opengl/qglframebufferobject.cpp
+++ b/src/opengl/qglframebufferobject.cpp
@@ -508,17 +508,26 @@ void QGLFramebufferObjectPrivate::init(QGLFramebufferObject *q, const QSize &sz,
Q_ASSERT(glIsRenderbuffer(depth_buffer));
if (samples != 0 && glRenderbufferStorageMultisampleEXT) {
#ifdef QT_OPENGL_ES
-#define GL_DEPTH_COMPONENT16 0x81A5
- glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples,
- GL_DEPTH_COMPONENT16, size.width(), size.height());
+ if (QGLExtensions::glExtensions() & QGLExtensions::Depth24) {
+ glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples,
+ GL_DEPTH_COMPONENT24_OES, size.width(), size.height());
+ } else {
+ glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples,
+ GL_DEPTH_COMPONENT16, size.width(), size.height());
+ }
#else
glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER_EXT, samples,
GL_DEPTH_COMPONENT, size.width(), size.height());
#endif
} else {
#ifdef QT_OPENGL_ES
-#define GL_DEPTH_COMPONENT16 0x81A5
- glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT16, size.width(), size.height());
+ if (QGLExtensions::glExtensions() & QGLExtensions::Depth24) {
+ glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT24_OES,
+ size.width(), size.height());
+ } else {
+ glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT16,
+ size.width(), size.height());
+ }
#else
glRenderbufferStorage(GL_RENDERBUFFER_EXT, GL_DEPTH_COMPONENT, size.width(), size.height());
#endif
@@ -1169,8 +1178,8 @@ void QGLFramebufferObject::drawTexture(const QPointF &point, QMacCompatGLuint te
}
#endif
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
+Q_DECL_IMPORT extern int qt_defaultDpiX();
+Q_DECL_IMPORT extern int qt_defaultDpiY();
/*! \reimp */
int QGLFramebufferObject::metric(PaintDeviceMetric metric) const
diff --git a/src/opengl/qglpixelbuffer.cpp b/src/opengl/qglpixelbuffer.cpp
index 2ec345d..261d567 100644
--- a/src/opengl/qglpixelbuffer.cpp
+++ b/src/opengl/qglpixelbuffer.cpp
@@ -424,8 +424,8 @@ QPaintEngine *QGLPixelBuffer::paintEngine() const
#endif
}
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
+Q_DECL_IMPORT extern int qt_defaultDpiX();
+Q_DECL_IMPORT extern int qt_defaultDpiY();
/*! \reimp */
int QGLPixelBuffer::metric(PaintDeviceMetric metric) const
diff --git a/src/opengl/qglpixmapfilter.cpp b/src/opengl/qglpixmapfilter.cpp
index 68586c1..73d698c 100644
--- a/src/opengl/qglpixmapfilter.cpp
+++ b/src/opengl/qglpixmapfilter.cpp
@@ -63,8 +63,8 @@
QT_BEGIN_NAMESPACE
// qpixmapfilter.cpp
-void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed = 0);
-QImage qt_halfScaled(const QImage &source);
+Q_DECL_IMPORT void qt_blurImage(QImage &blurImage, qreal radius, bool quality, int transposed = 0);
+Q_DECL_IMPORT QImage qt_halfScaled(const QImage &source);
void QGLPixmapFilterBase::bindTexture(const QPixmap &src) const
{
@@ -425,7 +425,7 @@ static inline uint nextMultiple(uint x, uint multiplier)
return x + multiplier - mod;
}
-void qt_memrotate90_gl(const quint32 *src, int srcWidth, int srcHeight, int srcStride,
+Q_DECL_IMPORT void qt_memrotate90_gl(const quint32 *src, int srcWidth, int srcHeight, int srcStride,
quint32 *dest, int dstStride);
bool QGLPixmapBlurFilter::processGL(QPainter *painter, const QPointF &pos, const QPixmap &src, const QRectF &) const
diff --git a/src/opengl/qpaintengine_opengl.cpp b/src/opengl/qpaintengine_opengl.cpp
index 2f17aa6..74b6b9a 100644
--- a/src/opengl/qpaintengine_opengl.cpp
+++ b/src/opengl/qpaintengine_opengl.cpp
@@ -79,7 +79,7 @@
QT_BEGIN_NAMESPACE
-extern QImage qt_imageForBrush(int brushStyle, bool invert); //in qbrush.cpp
+Q_DECL_IMPORT extern QImage qt_imageForBrush(int brushStyle, bool invert); //in qbrush.cpp
#ifdef QT_MAC_USE_COCOA
extern void *qt_current_nsopengl_context(); // qgl_mac.mm
#endif
diff --git a/src/opengl/qpixmapdata_gl.cpp b/src/opengl/qpixmapdata_gl.cpp
index 89000bb..cd7f0c2 100644
--- a/src/opengl/qpixmapdata_gl.cpp
+++ b/src/opengl/qpixmapdata_gl.cpp
@@ -739,8 +739,8 @@ QGLTexture* QGLPixmapData::texture() const
return &m_texture;
}
-extern int qt_defaultDpiX();
-extern int qt_defaultDpiY();
+Q_DECL_IMPORT extern int qt_defaultDpiX();
+Q_DECL_IMPORT extern int qt_defaultDpiY();
int QGLPixmapData::metric(QPaintDevice::PaintDeviceMetric metric) const
{
diff --git a/src/opengl/qpixmapdata_gl_p.h b/src/opengl/qpixmapdata_gl_p.h
index f000993..c0b223f 100644
--- a/src/opengl/qpixmapdata_gl_p.h
+++ b/src/opengl/qpixmapdata_gl_p.h
@@ -169,6 +169,7 @@ private:
friend class QGLPixmapGLPaintDevice;
friend class QMeeGoPixmapData;
+ friend class QMeeGoLivePixmapData;
};
QT_END_NAMESPACE
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 29c4477..47f36dd 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -194,7 +194,7 @@ public:
widget = new QGLWidget(QGLFormat(QGL::SingleBuffer | QGL::NoDepthBuffer | QGL::NoStencilBuffer));
widget->resize(1, 1);
- // We dont need this internal widget to appear in QApplication::topLevelWidgets()
+ // We don't need this internal widget to appear in QApplication::topLevelWidgets()
if (QWidgetPrivate::allWidgets)
QWidgetPrivate::allWidgets->remove(widget);
initializing = false;
@@ -275,6 +275,8 @@ struct QGLWindowSurfacePrivate
QRegion paintedRegion;
QSize size;
+ QSize textureSize;
+
QList<QImage> buffers;
QGLWindowSurfaceGLPaintDevice glDevice;
QGLWindowSurface* q_ptr;
@@ -316,6 +318,7 @@ QGLWindowSurface::QGLWindowSurface(QWidget *window)
d_ptr->pb = 0;
d_ptr->fbo = 0;
d_ptr->ctx = 0;
+ d_ptr->tex_id = 0;
#if defined (QT_OPENGL_ES_2)
d_ptr->tried_fbo = true;
d_ptr->tried_pb = true;
@@ -435,7 +438,7 @@ static void drawTexture(const QRectF &rect, GLuint tex_id, const QSize &texSize,
void QGLWindowSurface::beginPaint(const QRegion &)
{
- if (! context())
+ if (!context())
return;
int clearFlags = 0;
@@ -459,13 +462,42 @@ void QGLWindowSurface::endPaint(const QRegion &rgn)
d_ptr->buffers.clear();
}
-void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
+static void blitTexture(QGLContext *ctx, GLuint texture, const QSize &viewport, const QSize &texSize, const QRect &targetRect, const QRect &sourceRect)
{
- if (context() && widget != window()) {
- qWarning("No native child widget support in GL window surface without FBOs or pixel buffers");
- return;
- }
+ glDisable(GL_DEPTH_TEST);
+ glDisable(GL_SCISSOR_TEST);
+ glDisable(GL_BLEND);
+
+ glViewport(0, 0, viewport.width(), viewport.height());
+
+ QGLShaderProgram *blitProgram =
+ QGLEngineSharedShaders::shadersForContext(ctx)->blitProgram();
+ blitProgram->bind();
+ blitProgram->setUniformValue("imageTexture", 0 /*QT_IMAGE_TEXTURE_UNIT*/);
+
+ // The shader manager's blit program does not multiply the
+ // vertices by the pmv matrix, so we need to do the effect
+ // of the orthographic projection here ourselves.
+ QRectF r;
+ qreal w = viewport.width();
+ qreal h = viewport.height();
+ r.setLeft((targetRect.left() / w) * 2.0f - 1.0f);
+ if (targetRect.right() == (viewport.width() - 1))
+ r.setRight(1.0f);
+ else
+ r.setRight((targetRect.right() / w) * 2.0f - 1.0f);
+ r.setBottom((targetRect.top() / h) * 2.0f - 1.0f);
+ if (targetRect.bottom() == (viewport.height() - 1))
+ r.setTop(1.0f);
+ else
+ r.setTop((targetRect.bottom() / w) * 2.0f - 1.0f);
+
+ drawTexture(r, texture, texSize, sourceRect);
+}
+
+void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &offset)
+{
//### Find out why d_ptr->geometry_updated isn't always false.
// flush() should not be called when d_ptr->geometry_updated is true. It assumes that either
// d_ptr->fbo or d_ptr->pb is allocated and has the correct size.
@@ -541,12 +573,29 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &
}
}
#endif
- if (hasPartialUpdateSupport() &&
- d_ptr->paintedRegion.boundingRect().width() * d_ptr->paintedRegion.boundingRect().height() <
- geometry().width() * geometry().height() * 0.2) {
- context()->d_func()->swapRegion(&d_ptr->paintedRegion);
- } else
- context()->swapBuffers();
+ bool doingPartialUpdate = hasPartialUpdateSupport() && br.width() * br.height() < parent->geometry().width() * parent->geometry().height() * 0.2;
+ QGLContext *ctx = reinterpret_cast<QGLContext *>(parent->d_func()->extraData()->glContext);
+ if (widget != window()) {
+ if (initializeOffscreenTexture(window()->size()))
+ qWarning() << "QGLWindowSurface: Flushing to native child widget, may lead to significant performance loss";
+ glBindTexture(target, d_ptr->tex_id);
+
+ const uint bottom = window()->height() - (br.y() + br.height());
+ glCopyTexSubImage2D(target, 0, br.x(), bottom, br.x(), bottom, br.width(), br.height());
+
+ glBindTexture(target, 0);
+
+ ctx->makeCurrent();
+ if (doingPartialUpdate)
+ blitTexture(ctx, d_ptr->tex_id, parent->size(), window()->size(), rect, br);
+ else
+ blitTexture(ctx, d_ptr->tex_id, parent->size(), window()->size(), parent->rect(), parent->rect().translated(offset + wOffset));
+ }
+
+ if (doingPartialUpdate)
+ ctx->d_func()->swapRegion(br);
+ else
+ ctx->swapBuffers();
d_ptr->paintedRegion = QRegion();
} else {
@@ -672,38 +721,10 @@ void QGLWindowSurface::flush(QWidget *widget, const QRegion &rgn, const QPoint &
else if (d_ptr->fbo) {
Q_UNUSED(target);
- GLuint texture = d_ptr->fbo->texture();
-
- glDisable(GL_DEPTH_TEST);
-
if (d_ptr->fbo->isBound())
d_ptr->fbo->release();
- glViewport(0, 0, size.width(), size.height());
-
- QGLShaderProgram *blitProgram =
- QGLEngineSharedShaders::shadersForContext(ctx)->blitProgram();
- blitProgram->bind();
- blitProgram->setUniformValue("imageTexture", 0 /*QT_IMAGE_TEXTURE_UNIT*/);
-
- // The shader manager's blit program does not multiply the
- // vertices by the pmv matrix, so we need to do the effect
- // of the orthographic projection here ourselves.
- QRectF r;
- qreal w = size.width() ? size.width() : 1.0f;
- qreal h = size.height() ? size.height() : 1.0f;
- r.setLeft((rect.left() / w) * 2.0f - 1.0f);
- if (rect.right() == (size.width() - 1))
- r.setRight(1.0f);
- else
- r.setRight((rect.right() / w) * 2.0f - 1.0f);
- r.setBottom((rect.top() / h) * 2.0f - 1.0f);
- if (rect.bottom() == (size.height() - 1))
- r.setTop(1.0f);
- else
- r.setTop((rect.bottom() / w) * 2.0f - 1.0f);
-
- drawTexture(r, texture, window()->size(), br);
+ blitTexture(ctx, d_ptr->fbo->texture(), size, window()->size(), rect, br);
}
#endif
@@ -758,11 +779,8 @@ void QGLWindowSurface::updateGeometry() {
if (d_ptr->ctx) {
#ifndef QT_OPENGL_ES_2
- if (d_ptr->destructive_swap_buffers) {
- glBindTexture(target, d_ptr->tex_id);
- glTexImage2D(target, 0, GL_RGBA, surfSize.width(), surfSize.height(), 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
- glBindTexture(target, 0);
- }
+ if (d_ptr->destructive_swap_buffers)
+ initializeOffscreenTexture(surfSize);
#endif
return;
}
@@ -842,15 +860,8 @@ void QGLWindowSurface::updateGeometry() {
ctx->makeCurrent();
#ifndef QT_OPENGL_ES_2
- if (d_ptr->destructive_swap_buffers) {
- glGenTextures(1, &d_ptr->tex_id);
- glBindTexture(target, d_ptr->tex_id);
- glTexImage2D(target, 0, GL_RGBA, surfSize.width(), surfSize.height(), 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
-
- glTexParameterf(target, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
- glTexParameterf(target, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
- glBindTexture(target, 0);
- }
+ if (d_ptr->destructive_swap_buffers)
+ initializeOffscreenTexture(surfSize);
#endif
qDebug() << "QGLWindowSurface: Using plain widget as window surface" << this;;
@@ -858,6 +869,23 @@ void QGLWindowSurface::updateGeometry() {
d_ptr->ctx->d_ptr->internal_context = true;
}
+bool QGLWindowSurface::initializeOffscreenTexture(const QSize &size)
+{
+ if (size == d_ptr->textureSize)
+ return false;
+
+ glGenTextures(1, &d_ptr->tex_id);
+ glBindTexture(GL_TEXTURE_2D, d_ptr->tex_id);
+ glTexImage2D(GL_TEXTURE_2D, 0, GL_RGB, size.width(), size.height(), 0, GL_RGB, GL_UNSIGNED_BYTE, 0);
+
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
+ glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
+ glBindTexture(GL_TEXTURE_2D, 0);
+
+ d_ptr->textureSize = size;
+ return true;
+}
+
bool QGLWindowSurface::scroll(const QRegion &area, int dx, int dy)
{
// this code randomly fails currently for unknown reasons
diff --git a/src/opengl/qwindowsurface_gl_p.h b/src/opengl/qwindowsurface_gl_p.h
index ca73bad..4f4ec92 100644
--- a/src/opengl/qwindowsurface_gl_p.h
+++ b/src/opengl/qwindowsurface_gl_p.h
@@ -113,6 +113,7 @@ private slots:
private:
void hijackWindow(QWidget *widget);
+ bool initializeOffscreenTexture(const QSize &size);
QGLWindowSurfacePrivate *d_ptr;
};