diff options
Diffstat (limited to 'src/gui/opengl/qopenglpaintengine.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglpaintengine.cpp | 69 |
1 files changed, 68 insertions, 1 deletions
diff --git a/src/gui/opengl/qopenglpaintengine.cpp b/src/gui/opengl/qopenglpaintengine.cpp index 17dc9df619..fb7e6fce97 100644 --- a/src/gui/opengl/qopenglpaintengine.cpp +++ b/src/gui/opengl/qopenglpaintengine.cpp @@ -87,8 +87,27 @@ #include <QDebug> -QT_BEGIN_NAMESPACE +#ifndef GL_KHR_blend_equation_advanced +#define GL_KHR_blend_equation_advanced 1 +#define GL_MULTIPLY_KHR 0x9294 +#define GL_SCREEN_KHR 0x9295 +#define GL_OVERLAY_KHR 0x9296 +#define GL_DARKEN_KHR 0x9297 +#define GL_LIGHTEN_KHR 0x9298 +#define GL_COLORDODGE_KHR 0x9299 +#define GL_COLORBURN_KHR 0x929A +#define GL_HARDLIGHT_KHR 0x929B +#define GL_SOFTLIGHT_KHR 0x929C +#define GL_DIFFERENCE_KHR 0x929E +#define GL_EXCLUSION_KHR 0x92A0 +#endif /* GL_KHR_blend_equation_advanced */ + +#ifndef GL_KHR_blend_equation_advanced_coherent +#define GL_KHR_blend_equation_advanced_coherent 1 +#define GL_BLEND_ADVANCED_COHERENT_KHR 0x9285 +#endif /* GL_KHR_blend_equation_advanced_coherent */ +QT_BEGIN_NAMESPACE Q_GUI_EXPORT QImage qt_imageForBrush(int brushStyle, bool invert); @@ -498,6 +517,21 @@ void QOpenGL2PaintEngineExPrivate::updateCompositionMode() // NOTE: The entire paint engine works on pre-multiplied data - which is why some of these // composition modes look odd. // qDebug() << "QOpenGL2PaintEngineExPrivate::updateCompositionMode() - Setting GL composition mode for " << q->state()->composition_mode; + if (ctx->functions()->hasOpenGLFeature(QOpenGLFunctions::BlendEquationAdvanced)) { + if (q->state()->composition_mode <= QPainter::CompositionMode_Plus) { + funcs.glDisable(GL_BLEND_ADVANCED_COHERENT_KHR); + funcs.glBlendEquation(GL_FUNC_ADD); + } else { + funcs.glEnable(GL_BLEND_ADVANCED_COHERENT_KHR); + } + shaderManager->setCompositionMode(q->state()->composition_mode); + } else { + if (q->state()->composition_mode > QPainter::CompositionMode_Plus) { + qWarning("Unsupported composition mode"); + compositionModeDirty = false; + return; + } + } switch(q->state()->composition_mode) { case QPainter::CompositionMode_SourceOver: funcs.glBlendFunc(GL_ONE, GL_ONE_MINUS_SRC_ALPHA); @@ -538,6 +572,39 @@ void QOpenGL2PaintEngineExPrivate::updateCompositionMode() case QPainter::CompositionMode_Plus: funcs.glBlendFunc(GL_ONE, GL_ONE); break; + case QPainter::CompositionMode_Multiply: + funcs.glBlendEquation(GL_MULTIPLY_KHR); + break; + case QPainter::CompositionMode_Screen: + funcs.glBlendEquation(GL_SCREEN_KHR); + break; + case QPainter::CompositionMode_Overlay: + funcs.glBlendEquation(GL_OVERLAY_KHR); + break; + case QPainter::CompositionMode_Darken: + funcs.glBlendEquation(GL_DARKEN_KHR); + break; + case QPainter::CompositionMode_Lighten: + funcs.glBlendEquation(GL_LIGHTEN_KHR); + break; + case QPainter::CompositionMode_ColorDodge: + funcs.glBlendEquation(GL_COLORDODGE_KHR); + break; + case QPainter::CompositionMode_ColorBurn: + funcs.glBlendEquation(GL_COLORBURN_KHR); + break; + case QPainter::CompositionMode_HardLight: + funcs.glBlendEquation(GL_HARDLIGHT_KHR); + break; + case QPainter::CompositionMode_SoftLight: + funcs.glBlendEquation(GL_SOFTLIGHT_KHR); + break; + case QPainter::CompositionMode_Difference: + funcs.glBlendEquation(GL_DIFFERENCE_KHR); + break; + case QPainter::CompositionMode_Exclusion: + funcs.glBlendEquation(GL_EXCLUSION_KHR); + break; default: qWarning("Unsupported composition mode"); break; |