diff options
author | Wieland Hagen <wieland.hagen@kdab.com> | 2016-01-14 18:15:31 +0100 |
---|---|---|
committer | Wieland Hagen <wieland.hagen@kdab.com> | 2016-01-14 21:52:28 +0000 |
commit | 0f50b649912d44eb75e37a3f17afcefbec40fba7 (patch) | |
tree | d6d6d8610c472495e22cff8a66171ccb3d1ee53e | |
parent | 9d3b3d353aec6f410fef428e8104e59b9fe0c34d (diff) |
Add GraphicsContext::supportsDrawBuffersBlend()
To check for availability of ARB_draw_buffers_blend
Task-number: QTBUG-50005
Change-Id: I8f4e11ff401a9e1e3751f61421572cb1fc323979
Reviewed-by: Sean Harmer <sean.harmer@kdab.com>
Reviewed-by: Paul Lemire <paul.lemire@kdab.com>
4 files changed, 9 insertions, 2 deletions
diff --git a/src/render/graphicshelpers/graphicscontext.cpp b/src/render/graphicshelpers/graphicscontext.cpp index d934d33af..b5b2898db 100644 --- a/src/render/graphicshelpers/graphicscontext.cpp +++ b/src/render/graphicshelpers/graphicscontext.cpp @@ -604,6 +604,11 @@ QGraphicsApiFilter *GraphicsContext::contextInfo() const return m_contextInfo; } +bool GraphicsContext::supportsDrawBuffersBlend() const +{ + return m_glHelper->supportsFeature(GraphicsHelperInterface::DrawBuffersBlend); +} + /*! * Wraps an OpenGL call to glDrawElementsInstanced. * If the call is not supported by the system's OpenGL version, diff --git a/src/render/graphicshelpers/graphicscontext_p.h b/src/render/graphicshelpers/graphicscontext_p.h index 98ca94559..51e6c8bc4 100644 --- a/src/render/graphicshelpers/graphicscontext_p.h +++ b/src/render/graphicshelpers/graphicscontext_p.h @@ -208,7 +208,7 @@ public: static GLuint byteSizeFromType(GLint type); static GLint glDataTypeFromAttributeDataType(QAttribute::DataType dataType); - + bool supportsDrawBuffersBlend() const; bool supportsVAO() const { return m_supportsVAO; } private: diff --git a/src/render/graphicshelpers/graphicshelpergl4.cpp b/src/render/graphicshelpers/graphicshelpergl4.cpp index ca83589a4..332413d69 100644 --- a/src/render/graphicshelpers/graphicshelpergl4.cpp +++ b/src/render/graphicshelpers/graphicshelpergl4.cpp @@ -369,6 +369,7 @@ bool GraphicsHelperGL4::supportsFeature(GraphicsHelperInterface::Feature feature case TextureDimensionRetrieval: case ShaderStorageObject: case Compute: + case DrawBuffersBlend: return true; default: return false; diff --git a/src/render/graphicshelpers/graphicshelperinterface_p.h b/src/render/graphicshelpers/graphicshelperinterface_p.h index f7b5ddf8c..fe52b1607 100644 --- a/src/render/graphicshelpers/graphicshelperinterface_p.h +++ b/src/render/graphicshelpers/graphicshelperinterface_p.h @@ -72,7 +72,8 @@ public: RenderBufferDimensionRetrieval, TextureDimensionRetrieval, ShaderStorageObject, - Compute + Compute, + DrawBuffersBlend }; virtual ~GraphicsHelperInterface() {} |