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//
// Copyright 2015 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// TransformFeedbackGL.h: Defines the class interface for TransformFeedbackGL.
#ifndef LIBANGLE_RENDERER_GL_TRANSFORMFEEDBACKGL_H_
#define LIBANGLE_RENDERER_GL_TRANSFORMFEEDBACKGL_H_
#include "libANGLE/renderer/TransformFeedbackImpl.h"
namespace rx
{
class FunctionsGL;
class StateManagerGL;
class TransformFeedbackGL : public TransformFeedbackImpl
{
public:
TransformFeedbackGL(const gl::TransformFeedbackState &state,
const FunctionsGL *functions,
StateManagerGL *stateManager);
~TransformFeedbackGL() override;
void begin(GLenum primitiveMode) override;
void end() override;
void pause() override;
void resume() override;
void bindGenericBuffer(const BindingPointer<gl::Buffer> &binding) override;
void bindIndexedBuffer(size_t index, const OffsetBindingPointer<gl::Buffer> &binding) override;
GLuint getTransformFeedbackID() const;
void syncActiveState(bool active, GLenum primitiveMode) const;
void syncPausedState(bool paused) const;
private:
const FunctionsGL *mFunctions;
StateManagerGL *mStateManager;
GLuint mTransformFeedbackID;
mutable bool mIsActive;
mutable bool mIsPaused;
};
}
#endif // LIBANGLE_RENDERER_GL_TRANSFORMFEEDBACKGL_H_
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