diff options
Diffstat (limited to 'src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp')
| -rw-r--r-- | src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp | 8 |
1 files changed, 7 insertions, 1 deletions
diff --git a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp index a7c9411914..f702f13359 100644 --- a/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp +++ b/src/opengl/gl2paintengineex/qpaintengineex_opengl2.cpp @@ -301,7 +301,7 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() const QRadialGradient *g = static_cast<const QRadialGradient *>(currentBrush.gradient()); QPointF realCenter = g->center(); QPointF realFocal = g->focalPoint(); - qreal realRadius = g->radius(); + qreal realRadius = g->centerRadius() - g->focalRadius(); translationPoint = realFocal; QPointF fmp = realCenter - realFocal; @@ -311,6 +311,12 @@ void QGL2PaintEngineExPrivate::updateBrushUniforms() shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Fmp2MRadius2), fmp2_m_radius2); shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::Inverse2Fmp2MRadius2), GLfloat(1.0 / (2.0*fmp2_m_radius2))); + shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::SqrFr), + GLfloat(g->focalRadius() * g->focalRadius())); + shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::BRadius), + GLfloat(2 * (g->centerRadius() - g->focalRadius()) * g->focalRadius()), + g->focalRadius(), + g->centerRadius() - g->focalRadius()); QVector2D halfViewportSize(width*0.5, height*0.5); shaderManager->currentProgram()->setUniformValue(location(QGLEngineShaderManager::HalfViewportSize), halfViewportSize); |