blob: 2c0fafff058961d063d487dd6e9747041019c575 [file] [log] [blame]
// Copyright (c) 2014 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.
#include "libANGLE/RefCountObject.h"
#include "common/angleutils.h"
#include "libANGLE/Debug.h"
#include "angle_gl.h"
namespace rx
class GLImplFactory;
class TransformFeedbackImpl;
namespace gl
class Buffer;
struct Caps;
class Context;
class Program;
class TransformFeedbackState final : angle::NonCopyable
TransformFeedbackState(size_t maxIndexedBuffers);
const BindingPointer<Buffer> &getGenericBuffer() const;
const OffsetBindingPointer<Buffer> &getIndexedBuffer(size_t idx) const;
const std::vector<OffsetBindingPointer<Buffer>> &getIndexedBuffers() const;
friend class TransformFeedback;
std::string mLabel;
bool mActive;
GLenum mPrimitiveMode;
bool mPaused;
Program *mProgram;
BindingPointer<Buffer> mGenericBuffer;
std::vector<OffsetBindingPointer<Buffer>> mIndexedBuffers;
class TransformFeedback final : public RefCountObject, public LabeledObject
TransformFeedback(rx::GLImplFactory *implFactory, GLuint id, const Caps &caps);
virtual ~TransformFeedback();
void destroy(const Context *context) override;
void setLabel(const std::string &label) override;
const std::string &getLabel() const override;
void begin(const Context *context, GLenum primitiveMode, Program *program);
void end(const Context *context);
void pause();
void resume();
bool isActive() const;
bool isPaused() const;
GLenum getPrimitiveMode() const;
bool hasBoundProgram(GLuint program) const;
void bindGenericBuffer(Buffer *buffer);
const BindingPointer<Buffer> &getGenericBuffer() const;
void bindIndexedBuffer(size_t index, Buffer *buffer, size_t offset, size_t size);
const OffsetBindingPointer<Buffer> &getIndexedBuffer(size_t index) const;
size_t getIndexedBufferCount() const;
void detachBuffer(GLuint bufferName);
rx::TransformFeedbackImpl *getImplementation();
const rx::TransformFeedbackImpl *getImplementation() const;
void bindProgram(const Context *context, Program *program);
TransformFeedbackState mState;
rx::TransformFeedbackImpl* mImplementation;