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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
namespace Magnum { namespace Implementation {
TransformFeedbackState::TransformFeedbackState(Context& context, std::vector<std::string>& extensions): maxInterleavedComponents{0}, maxSeparateAttributes{0}, maxSeparateComponents{0}
#ifndef MAGNUM_TARGET_GLES
Added TransformFeedback::maxVertexStreams() limit query.
10 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
{
#ifndef MAGNUM_TARGET_GLES
if(context.isExtensionSupported<Extensions::GL::ARB::direct_state_access>()) {
push_back -> emplace_back
9 years ago
extensions.emplace_back(Extensions::GL::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;
}
}}