Fixed incorrect handling of composition modes in GL2 paint engine.

Even if the source pixels are opaque we have to enable blending for the
non-trivial composition modes. Some of the composition modes are
independent of source alpha and depend on destination alpha for example.

Reviewed-by: Tom

1 files changed, 1 insertions, 1 deletions

diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
index ef62390..dececa3 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2_p.h
@@ -159,7 +159,7 @@ public:
     // fill, drawOutline, drawTexture & drawCachedGlyphs are the rendering entry points:
     void fill(const QVectorPath &path);
     void drawOutline(const QVectorPath& path);
-    void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize);
+    void drawTexture(const QGLRect& dest, const QGLRect& src, const QSize &textureSize, bool opaque);
     void drawCachedGlyphs(const QPointF &p, const QTextItemInt &ti);
 
     void drawVertexArrays(QGL2PEXVertexArray& vertexArray, GLenum primitive);