diff options
| author | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-02-19 12:33:57 +0100 |
|---|---|---|
| committer | Allan Sandfeld Jensen <allan.jensen@qt.io> | 2018-03-05 23:51:16 +0000 |
| commit | 73be2aab75a80a12f85658adab8774b572a24acd (patch) | |
| tree | 0fab2a03d44660c4367b7d5dcf56eac2a3c9bede /src/gui/opengl/qopenglengineshadermanager.cpp | |
| parent | 5ddaadaa7e1f1344b7ebfc479c9893ca36cf32c9 (diff) | |
Add support for advanced blend equations to our OpenGL QPainter
Mesa and NVidia have been supporting these extensions several years now.
It also means we can get rid of the dead unused code we had for advanced
compositions.
Change-Id: I6a2fcda13490abd977eb4cc3d8b34f186d05ca25
Reviewed-by: Laszlo Agocs <laszlo.agocs@qt.io>
Diffstat (limited to 'src/gui/opengl/qopenglengineshadermanager.cpp')
| -rw-r--r-- | src/gui/opengl/qopenglengineshadermanager.cpp | 56 |
1 files changed, 21 insertions, 35 deletions
diff --git a/src/gui/opengl/qopenglengineshadermanager.cpp b/src/gui/opengl/qopenglengineshadermanager.cpp index 2f7afa4a66b..f66193cb01b 100644 --- a/src/gui/opengl/qopenglengineshadermanager.cpp +++ b/src/gui/opengl/qopenglengineshadermanager.cpp @@ -153,12 +153,8 @@ QOpenGLEngineSharedShaders::QOpenGLEngineSharedShaders(QOpenGLContext* context) code[AffinePositionWithRadialGradientBrushVertexShader] = qopenglslAffinePositionWithRadialGradientBrushVertexShader_core; code[AffinePositionWithTextureBrushVertexShader] = qopenglslAffinePositionWithTextureBrushVertexShader_core; - code[MainFragmentShader_CMO] = qopenglslMainFragmentShader_CMO_core; - code[MainFragmentShader_CM] = qopenglslMainFragmentShader_CM_core; code[MainFragmentShader_MO] = qopenglslMainFragmentShader_MO_core; code[MainFragmentShader_M] = qopenglslMainFragmentShader_M_core; - code[MainFragmentShader_CO] = qopenglslMainFragmentShader_CO_core; - code[MainFragmentShader_C] = qopenglslMainFragmentShader_C_core; code[MainFragmentShader_O] = qopenglslMainFragmentShader_O_core; code[MainFragmentShader] = qopenglslMainFragmentShader_core; code[MainFragmentShader_ImageArrays] = qopenglslMainFragmentShader_ImageArrays_core; @@ -203,12 +199,8 @@ QOpenGLEngineSharedShaders::QOpenGLEngineSharedShaders(QOpenGLContext* context) code[AffinePositionWithRadialGradientBrushVertexShader] = qopenglslAffinePositionWithRadialGradientBrushVertexShader; code[AffinePositionWithTextureBrushVertexShader] = qopenglslAffinePositionWithTextureBrushVertexShader; - code[MainFragmentShader_CMO] = qopenglslMainFragmentShader_CMO; - code[MainFragmentShader_CM] = qopenglslMainFragmentShader_CM; code[MainFragmentShader_MO] = qopenglslMainFragmentShader_MO; code[MainFragmentShader_M] = qopenglslMainFragmentShader_M; - code[MainFragmentShader_CO] = qopenglslMainFragmentShader_CO; - code[MainFragmentShader_C] = qopenglslMainFragmentShader_C; code[MainFragmentShader_O] = qopenglslMainFragmentShader_O; code[MainFragmentShader] = qopenglslMainFragmentShader; code[MainFragmentShader_ImageArrays] = qopenglslMainFragmentShader_ImageArrays; @@ -238,21 +230,20 @@ QOpenGLEngineSharedShaders::QOpenGLEngineSharedShaders(QOpenGLContext* context) code[RgbMaskWithGammaFragmentShader] = ""; //### } - // These shaders are not implemented yet and therefore are the same - // for all profiles. Implementations should make a version for both - // profiles and put the appropriate lines in the if-statement above. + // The composition shaders are just layout qualifiers and the same + // for all profiles that support them. code[NoCompositionModeFragmentShader] = ""; - code[MultiplyCompositionModeFragmentShader] = ""; //### - code[ScreenCompositionModeFragmentShader] = ""; //### - code[OverlayCompositionModeFragmentShader] = ""; //### - code[DarkenCompositionModeFragmentShader] = ""; //### - code[LightenCompositionModeFragmentShader] = ""; //### - code[ColorDodgeCompositionModeFragmentShader] = ""; //### - code[ColorBurnCompositionModeFragmentShader] = ""; //### - code[HardLightCompositionModeFragmentShader] = ""; //### - code[SoftLightCompositionModeFragmentShader] = ""; //### - code[DifferenceCompositionModeFragmentShader] = ""; //### - code[ExclusionCompositionModeFragmentShader] = ""; //### + code[MultiplyCompositionModeFragmentShader] = qopenglslMultiplyCompositionModeFragmentShader; + code[ScreenCompositionModeFragmentShader] = qopenglslScreenCompositionModeFragmentShader; + code[OverlayCompositionModeFragmentShader] = qopenglslOverlayCompositionModeFragmentShader; + code[DarkenCompositionModeFragmentShader] = qopenglslDarkenCompositionModeFragmentShader; + code[LightenCompositionModeFragmentShader] = qopenglslLightenCompositionModeFragmentShader; + code[ColorDodgeCompositionModeFragmentShader] = qopenglslColorDodgeCompositionModeFragmentShader; + code[ColorBurnCompositionModeFragmentShader] = qopenglslColorBurnCompositionModeFragmentShader; + code[HardLightCompositionModeFragmentShader] = qopenglslHardLightCompositionModeFragmentShader; + code[SoftLightCompositionModeFragmentShader] = qopenglslSoftLightCompositionModeFragmentShader; + code[DifferenceCompositionModeFragmentShader] = qopenglslDifferenceCompositionModeFragmentShader; + code[ExclusionCompositionModeFragmentShader] = qopenglslExclusionCompositionModeFragmentShader; #if defined(QT_DEBUG) // Check that all the elements have been filled: @@ -612,8 +603,11 @@ void QOpenGLEngineShaderManager::setCompositionMode(QPainter::CompositionMode mo if (compositionMode == mode) return; + bool wasAdvanced = compositionMode > QPainter::CompositionMode_Plus; + bool isAdvanced = mode > QPainter::CompositionMode_Plus; + compositionMode = mode; - shaderProgNeedsChanging = true; //### + shaderProgNeedsChanging = shaderProgNeedsChanging || wasAdvanced || isAdvanced; } void QOpenGLEngineShaderManager::setCustomStage(QOpenGLCustomShaderStage* stage) @@ -783,21 +777,13 @@ bool QOpenGLEngineShaderManager::useCorrectShaderProg() requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_ImageArrays; } else { bool useGlobalOpacity = (opacityMode == UniformOpacity); - if (hasCompose && hasMask && useGlobalOpacity) - requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_CMO; - if (hasCompose && hasMask && !useGlobalOpacity) - requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_CM; - if (!hasCompose && hasMask && useGlobalOpacity) + if (hasMask && useGlobalOpacity) requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_MO; - if (!hasCompose && hasMask && !useGlobalOpacity) + if (hasMask && !useGlobalOpacity) requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_M; - if (hasCompose && !hasMask && useGlobalOpacity) - requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_CO; - if (hasCompose && !hasMask && !useGlobalOpacity) - requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_C; - if (!hasCompose && !hasMask && useGlobalOpacity) + if (!hasMask && useGlobalOpacity) requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader_O; - if (!hasCompose && !hasMask && !useGlobalOpacity) + if (!hasMask && !useGlobalOpacity) requiredProgram.mainFragShader = QOpenGLEngineSharedShaders::MainFragmentShader; } |