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Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
-rw-r--r--src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp37
1 files changed, 30 insertions, 7 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index 24560d1..d2fb925 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -559,6 +559,12 @@ void QGL2PaintEngineExPrivate::resetGLState()
glStencilMask(0xff);
glStencilOp(GL_KEEP, GL_KEEP, GL_KEEP);
glStencilFunc(GL_ALWAYS, 0, 0xff);
+ glDisableVertexAttribArray(QT_TEXTURE_COORDS_ATTR);
+ glDisableVertexAttribArray(QT_VERTEX_COORDS_ATTR);
+ glDisableVertexAttribArray(QT_OPACITY_ATTR);
+#ifndef QT_OPENGL_ES_2
+ glColor4f(1.0f, 1.0f, 1.0f, 1.0f); // color may have been changed by glVertexAttrib()
+#endif
}
void QGL2PaintEngineEx::endNativePainting()
@@ -1326,14 +1332,14 @@ void QGL2PaintEngineEx::drawTextItem(const QPointF &p, const QTextItem &textItem
? QFontEngineGlyphCache::Type(ti.fontEngine->glyphFormat)
: d->glyphCacheType;
- if (txtype > QTransform::TxTranslate)
- glyphType = QFontEngineGlyphCache::Raster_A8;
- if (glyphType == QFontEngineGlyphCache::Raster_RGBMask
- && state()->composition_mode != QPainter::CompositionMode_Source
- && state()->composition_mode != QPainter::CompositionMode_SourceOver)
- {
- drawCached = false;
+ if (glyphType == QFontEngineGlyphCache::Raster_RGBMask) {
+ if (d->deviceHasAlpha || txtype > QTransform::TxTranslate
+ || (state()->composition_mode != QPainter::CompositionMode_Source
+ && state()->composition_mode != QPainter::CompositionMode_SourceOver))
+ {
+ glyphType = QFontEngineGlyphCache::Raster_A8;
+ }
}
if (drawCached) {
@@ -1624,6 +1630,23 @@ bool QGL2PaintEngineEx::begin(QPaintDevice *pdev)
d->dirtyStencilRegion = QRect(0, 0, d->width, d->height);
d->stencilClean = true;
+ switch (pdev->devType()) {
+ case QInternal::Pixmap:
+ d->deviceHasAlpha = static_cast<QPixmap *>(pdev)->hasAlphaChannel();
+ break;
+ case QInternal::FramebufferObject:
+ {
+ GLenum f = static_cast<QGLFramebufferObject *>(pdev)->format().internalTextureFormat();
+ d->deviceHasAlpha = (f != GL_RGB && f != GL_RGB5 && f != GL_RGB8);
+ }
+ break;
+ default:
+ // widget, pbuffer
+ d->deviceHasAlpha = d->ctx->d_func()->reqFormat.alpha();
+ break;
+ }
+
+
// Calling begin paint should make the correct context current. So, any
// code which calls into GL or otherwise needs a current context *must*
// go after beginPaint: