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-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp33
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h1
-rw-r--r--src/opengl/qgl.cpp7
-rw-r--r--src/opengl/qgl_qpa.cpp2
-rw-r--r--src/opengl/qgl_symbian.cpp4
-rw-r--r--src/opengl/qpaintengine_opengl_p.h1
-rw-r--r--src/opengl/qwindowsurface_gl.cpp18
7 files changed, 47 insertions, 19 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index e62af62..3ac759c 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -1436,19 +1436,30 @@ void QGL2PaintEngineEx::drawStaticTextItem(QStaticTextItem *textItem)
ensureActive();
- QFontEngineGlyphCache::Type glyphType = textItem->fontEngine()->glyphFormat >= 0
- ? QFontEngineGlyphCache::Type(textItem->fontEngine()->glyphFormat)
- : d->glyphCacheType;
- if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) {
- if (d->device->alphaRequested() || state()->matrix.type() > QTransform::TxTranslate
- || (state()->composition_mode != QPainter::CompositionMode_Source
- && state()->composition_mode != QPainter::CompositionMode_SourceOver))
- {
- glyphType = QFontEngineGlyphCache::Raster_A8;
+ QPainterState *s = state();
+ float det = s->matrix.determinant();
+
+ // don't try to cache huge fonts or vastly transformed fonts
+ QFontEngine *fontEngine = textItem->fontEngine();
+ const qreal pixelSize = fontEngine->fontDef.pixelSize;
+ if (pixelSize * pixelSize * qAbs(det) < QT_MAX_CACHED_GLYPH_SIZE * QT_MAX_CACHED_GLYPH_SIZE ||
+ det < 0.25f || det > 4.f) {
+ QFontEngineGlyphCache::Type glyphType = fontEngine->glyphFormat >= 0
+ ? QFontEngineGlyphCache::Type(textItem->fontEngine()->glyphFormat)
+ : d->glyphCacheType;
+ if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) {
+ if (d->device->alphaRequested() || s->matrix.type() > QTransform::TxTranslate
+ || (s->composition_mode != QPainter::CompositionMode_Source
+ && s->composition_mode != QPainter::CompositionMode_SourceOver))
+ {
+ glyphType = QFontEngineGlyphCache::Raster_A8;
+ }
}
- }
- d->drawCachedGlyphs(glyphType, textItem);
+ d->drawCachedGlyphs(glyphType, textItem);
+ } else {
+ QPaintEngineEx::drawStaticTextItem(textItem);
+ }
}
bool QGL2PaintEngineEx::drawTexture(const QRectF &dest, GLuint textureId, const QSize &size, const QRectF &src)
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index 7ba92e4..2895d5a 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -158,6 +158,7 @@ public:
void setRenderTextActive(bool);
bool isNativePaintingActive() const;
+ bool supportsTransformations(qreal, const QTransform &) const { return true; }
private:
Q_DISABLE_COPY(QGL2PaintEngineEx)
};
diff --git a/src/opengl/qgl.cpp b/src/opengl/qgl.cpp
index c33aec2..5f5864d 100644
--- a/src/opengl/qgl.cpp
+++ b/src/opengl/qgl.cpp
@@ -366,6 +366,10 @@ void QGL::setPreferredPaintEngine(QPaintEngine::Type engineType)
static inline void transform_point(GLdouble out[4], const GLdouble m[16], const GLdouble in[4])
{
+#if defined(Q_CC_GNU) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 406)
+# pragma GCC diagnostic push
+# pragma GCC diagnostic ignored "-Warray-bounds"
+#endif
#define M(row,col) m[col*4+row]
out[0] =
M(0, 0) * in[0] + M(0, 1) * in[1] + M(0, 2) * in[2] + M(0, 3) * in[3];
@@ -376,6 +380,9 @@ static inline void transform_point(GLdouble out[4], const GLdouble m[16], const
out[3] =
M(3, 0) * in[0] + M(3, 1) * in[1] + M(3, 2) * in[2] + M(3, 3) * in[3];
#undef M
+#if defined(Q_CC_GNU) && (__GNUC__ * 100 + __GNUC_MINOR__ >= 406)
+# pragma GCC diagnostic pop
+#endif
}
static inline GLint qgluProject(GLdouble objx, GLdouble objy, GLdouble objz,
diff --git a/src/opengl/qgl_qpa.cpp b/src/opengl/qgl_qpa.cpp
index bc36ced..9ba8b75 100644
--- a/src/opengl/qgl_qpa.cpp
+++ b/src/opengl/qgl_qpa.cpp
@@ -156,6 +156,8 @@ bool QGLContext::chooseContext(const QGLContext* shareContext)
if (shareContext) {
winFormat.setSharedContext(shareContext->d_func()->platformContext);
}
+ if (widget->testAttribute(Qt::WA_TranslucentBackground))
+ winFormat.setAlpha(true);
winFormat.setWindowApi(QPlatformWindowFormat::OpenGL);
winFormat.setWindowSurface(false);
widget->setPlatformWindowFormat(winFormat);
diff --git a/src/opengl/qgl_symbian.cpp b/src/opengl/qgl_symbian.cpp
index 91904d0..86176c9 100644
--- a/src/opengl/qgl_symbian.cpp
+++ b/src/opengl/qgl_symbian.cpp
@@ -183,9 +183,7 @@ bool QGLContext::chooseContext(const QGLContext* shareContext) // almost same as
d->ownsEglContext = true;
d->eglContext->setApi(QEgl::OpenGL);
- QGraphicsSystemEx *ex = QApplicationPrivate::graphicsSystem()->platformExtension();
- QSymbianGraphicsSystemEx *symex = static_cast<QSymbianGraphicsSystemEx*>(ex);
- if (symex && !symex->hasBCM2727()) {
+ if (!QSymbianGraphicsSystemEx::hasBCM2727()) {
// Most likely we have hw support for multisampling
// so let's enable it.
d->glFormat.setSampleBuffers(1);
diff --git a/src/opengl/qpaintengine_opengl_p.h b/src/opengl/qpaintengine_opengl_p.h
index 5d5f5ce..8d0ea83 100644
--- a/src/opengl/qpaintengine_opengl_p.h
+++ b/src/opengl/qpaintengine_opengl_p.h
@@ -143,6 +143,7 @@ public:
Qt::HANDLE handle() const;
#endif
inline Type type() const { return QPaintEngine::OpenGL; }
+ bool supportsTransformations(qreal, const QTransform &) const { return true; }
private:
void drawPolyInternal(const QPolygonF &pa, bool close = true);
diff --git a/src/opengl/qwindowsurface_gl.cpp b/src/opengl/qwindowsurface_gl.cpp
index 7f63aea..ff55142 100644
--- a/src/opengl/qwindowsurface_gl.cpp
+++ b/src/opengl/qwindowsurface_gl.cpp
@@ -542,19 +542,27 @@ void QGLWindowSurface::beginPaint(const QRegion &)
d_ptr->did_paint = true;
updateGeometry();
- if (!context())
- return;
-
int clearFlags = 0;
- if (context()->d_func()->workaround_needsFullClearOnEveryFrame)
+ QGLContext *ctx = reinterpret_cast<QGLContext *>(window()->d_func()->extraData()->glContext);
+
+ if (!ctx)
+ return;
+
+ if (ctx->d_func()->workaround_needsFullClearOnEveryFrame)
clearFlags = GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT | GL_STENCIL_BUFFER_BIT;
- else if (context()->format().alpha())
+ else if (ctx->format().alpha())
clearFlags = GL_COLOR_BUFFER_BIT;
if (clearFlags) {
+ if (d_ptr->fbo)
+ d_ptr->fbo->bind();
+
glClearColor(0.0, 0.0, 0.0, 0.0);
glClear(clearFlags);
+
+ if (d_ptr->fbo)
+ d_ptr->fbo->release();
}
}