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magnum/src/Magnum/GL/Implementation/TransformFeedbackState.cpp

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Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
#include "TransformFeedbackState.h"
Split the OpenGL layer out, pt 1: moving files to a new location. Minimal updates (just the include guards) so Git is hopefully able to detect the rename and track the history properly. Everything except Magnum::GL doesn't compile now.
8 years ago
#include "Magnum/GL/Context.h"
#include "Magnum/GL/Extensions.h"
#include "Magnum/GL/TransformFeedback.h"
#include "Magnum/GL/Implementation/State.h"
Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
Split the OpenGL layer out, pt 4: new Magnum::GL namespace. At the moment just the GL library itself w/o the tests, and without backwards compatibility aliases. The following types were left in the root namespace, despite being in the GL/ directory, as they will get moved back soon: * Image, CompressedImage and their dimensional typedefs * ImageView, CompressedImageView and their dimensional typedefs * PixelStorage Not PixelFormat etc., that one will stay in the GL namespace and a completely new PixelFormat enum will be provided in the root namespace.
8 years ago
namespace Magnum { namespace GL { namespace Implementation {
Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
GL: properly initialize XFB binding in the state tracker. Discovered by PVS-Studio, many thanks to @alexesDev for collecting the report.
8 years ago
TransformFeedbackState::TransformFeedbackState(Context& context, std::vector<std::string>& extensions): maxInterleavedComponents{0}, maxSeparateAttributes{0}, maxSeparateComponents{0},
Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
#ifndef MAGNUM_TARGET_GLES
GL: properly initialize XFB binding in the state tracker. Discovered by PVS-Studio, many thanks to @alexesDev for collecting the report.
8 years ago
maxBuffers{0}, maxVertexStreams{0},
Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
#endif
GL: properly initialize XFB binding in the state tracker. Discovered by PVS-Studio, many thanks to @alexesDev for collecting the report.
8 years ago
binding{0}
Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
{
#ifndef MAGNUM_TARGET_GLES
Split the OpenGL layer out, pt 16: {Extensions::GL => GL::Extensions}. Was Magnum::GL::Extensions::GL before and the redundancy was completely unnecessary. Potential future extensions coming from GLX, EGL or whatnot will most probably be in the Platform namespace in a completely separate file, so this is not a problem. All code internal to the GL library is affected, not much the outside, as that is handled by the compatibility alias.
8 years ago
if(context.isExtensionSupported<Extensions::ARB::direct_state_access>()) {
extensions.emplace_back(Extensions::ARB::direct_state_access::string());
Initial transform feedback implementation. Full support for EXT_transform_feedback, transform feedback objects from ARB_transform_feedback2 and equivalent OpenGL ES 3.0 functionality. Example usage is in src/Magnum/Test/TransformFeedbackGLTest.cpp, I'll add some example later.
12 years ago
createImplementation = &TransformFeedback::createImplementationDSA;
attachRangeImplementation = &TransformFeedback::attachImplementationDSA;
attachBaseImplementation = &TransformFeedback::attachImplementationDSA;
attachRangesImplementation = &TransformFeedback::attachImplementationDSA;
attachBasesImplementation = &TransformFeedback::attachImplementationDSA;
} else
#endif
{
createImplementation = &TransformFeedback::createImplementationDefault;
attachRangeImplementation = &TransformFeedback::attachImplementationFallback;
attachBaseImplementation = &TransformFeedback::attachImplementationFallback;
attachRangesImplementation = &TransformFeedback::attachImplementationFallback;
attachBasesImplementation = &TransformFeedback::attachImplementationFallback;
}
#ifdef MAGNUM_TARGET_GLES
static_cast<void>(context);
static_cast<void>(extensions);
#endif
}
void TransformFeedbackState::reset() {
binding = State::DisengagedBinding;
}
Split the OpenGL layer out, pt 4: new Magnum::GL namespace. At the moment just the GL library itself w/o the tests, and without backwards compatibility aliases. The following types were left in the root namespace, despite being in the GL/ directory, as they will get moved back soon: * Image, CompressedImage and their dimensional typedefs * ImageView, CompressedImageView and their dimensional typedefs * PixelStorage Not PixelFormat etc., that one will stay in the GL namespace and a completely new PixelFormat enum will be provided in the root namespace.
8 years ago
}}}