Merge branch '4.6' of git@scm.dev.nokia.troll.no:qt/qt-graphics-team into 4.6

4 files changed, 13 insertions, 15 deletions

diff --git a/src/opengl/gl2paintengineex/qglengineshadersource_p.h b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
index 6712bf6..3eef808 100644
--- a/src/opengl/gl2paintengineex/qglengineshadersource_p.h
+++ b/src/opengl/gl2paintengineex/qglengineshadersource_p.h
@@ -131,7 +131,6 @@ static const char* const qglslPositionWithPatternBrushVertexShader = "\
             gl_Position.xy = gl_Position.xy * invertedHTexCoordsZ; \
             gl_Position.w = invertedHTexCoordsZ; \
             patternTexCoords.xy = (hTexCoords.xy * 0.125) * invertedHTexCoordsZ; \
-            patternTexCoords.y = -patternTexCoords.y; \
     }";
 
 static const char* const qglslAffinePositionWithPatternBrushVertexShader
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
index ab02c69..d7ce604 100644
--- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
+++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp
@@ -469,8 +469,6 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
         QPointF translationPoint;
 
         if (style <= Qt::DiagCrossPattern) {
-            translationPoint = q->state()->brushOrigin;
-
             QColor col = qt_premultiplyColor(currentBrush->color(), (GLfloat)q->state()->opacity);
 
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::PatternColor), col);
@@ -528,8 +526,6 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
             shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize);
         }
         else if (style == Qt::TexturePattern) {
-            translationPoint = q->state()->brushOrigin;
-
             const QPixmap& texPixmap = currentBrush->texture();
 
             if (qHasPixmapTexture(*currentBrush) && currentBrush->texture().isQBitmap()) {
@@ -546,9 +542,13 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms()
         else
             qWarning("QGL2PaintEngineEx: Unimplemented fill style");
 
+        const QPointF &brushOrigin = q->state()->brushOrigin;
+        QTransform matrix = q->state()->matrix;
+        matrix.translate(brushOrigin.x(), brushOrigin.y());
+
         QTransform translate(1, 0, 0, 1, -translationPoint.x(), -translationPoint.y());
         QTransform gl_to_qt(1, 0, 0, -1, 0, height);
-        QTransform inv_matrix = gl_to_qt * (brushQTransform * q->state()->matrix).inverted() * translate;
+        QTransform inv_matrix = gl_to_qt * (brushQTransform * matrix).inverted() * translate;
 
         shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::BrushTransform), inv_matrix);
         shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::BrushTexture), QT_BRUSH_TEXTURE_UNIT);
diff --git a/src/opengl/qpaintengine_opengl.cpp b/src/opengl/qpaintengine_opengl.cpp
index 3e4a8e7..fc1695d 100644
--- a/src/opengl/qpaintengine_opengl.cpp
+++ b/src/opengl/qpaintengine_opengl.cpp
@@ -1596,7 +1596,8 @@ void QOpenGLPaintEnginePrivate::updateGradient(const QBrush &brush, const QRectF
             qreal   realRadius = g->radius();
             QTransform translate(1, 0, 0, 1, -realFocal.x(), -realFocal.y());
             QTransform gl_to_qt(1, 0, 0, -1, 0, pdev->height());
-            QTransform inv_matrix = gl_to_qt * matrix.inverted() * brush.transform().inverted() * translate;
+            QTransform m = QTransform(matrix).translate(brush_origin.x(), brush_origin.y());
+            QTransform inv_matrix = gl_to_qt * (brush.transform() * m).inverted() * translate;
 
             setInvMatrixData(inv_matrix);
 
@@ -1609,7 +1610,8 @@ void QOpenGLPaintEnginePrivate::updateGradient(const QBrush &brush, const QRectF
             QPointF realCenter = g->center();
             QTransform translate(1, 0, 0, 1, -realCenter.x(), -realCenter.y());
             QTransform gl_to_qt(1, 0, 0, -1, 0, pdev->height());
-            QTransform inv_matrix = gl_to_qt * matrix.inverted() * brush.transform().inverted() * translate;
+            QTransform m = QTransform(matrix).translate(brush_origin.x(), brush_origin.y());
+            QTransform inv_matrix = gl_to_qt * (brush.transform() * m).inverted() * translate;
 
             setInvMatrixData(inv_matrix);
 
@@ -1621,8 +1623,8 @@ void QOpenGLPaintEnginePrivate::updateGradient(const QBrush &brush, const QRectF
             QPointF realFinal = g->finalStop();
             QTransform translate(1, 0, 0, 1, -realStart.x(), -realStart.y());
             QTransform gl_to_qt(1, 0, 0, -1, 0, pdev->height());
-
-            QTransform inv_matrix = gl_to_qt * matrix.inverted() * brush.transform().inverted() * translate;
+            QTransform m = QTransform(matrix).translate(brush_origin.x(), brush_origin.y());
+            QTransform inv_matrix = gl_to_qt * (brush.transform() * m).inverted() * translate;
 
             setInvMatrixData(inv_matrix);
 
@@ -1633,10 +1635,9 @@ void QOpenGLPaintEnginePrivate::updateGradient(const QBrush &brush, const QRectF
 
             linear_data[2] = 1.0f / (l.x() * l.x() + l.y() * l.y());
         } else if (style != Qt::SolidPattern) {
-            QTransform translate(1, 0, 0, 1, brush_origin.x(), brush_origin.y());
             QTransform gl_to_qt(1, 0, 0, -1, 0, pdev->height());
-
-            QTransform inv_matrix = gl_to_qt * matrix.inverted() * brush.transform().inverted() * translate;
+            QTransform m = QTransform(matrix).translate(brush_origin.x(), brush_origin.y());
+            QTransform inv_matrix = gl_to_qt * (brush.transform() * m).inverted();
 
             setInvMatrixData(inv_matrix);
         }
diff --git a/src/opengl/util/pattern_brush.glsl b/src/opengl/util/pattern_brush.glsl
index e070449..ac139b2 100644
--- a/src/opengl/util/pattern_brush.glsl
+++ b/src/opengl/util/pattern_brush.glsl
@@ -17,8 +17,6 @@ vec4 brush()
 
     coords *= inv_brush_texture_size;
 
-    coords.y = -coords.y;
-
     float alpha = texture2D(brush_texture, coords).r;
 
     return gl_Color * alpha;