| // |
| // Copyright (c) 2002-2014 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. |
| // |
| |
| // Buffer.h: Defines the gl::Buffer class, representing storage of vertex and/or |
| // index data. Implements GL buffer objects and related functionality. |
| // [OpenGL ES 2.0.24] section 2.9 page 21. |
| |
| #ifndef LIBGLESV2_BUFFER_H_ |
| #define LIBGLESV2_BUFFER_H_ |
| |
| #include "common/angleutils.h" |
| #include "common/RefCountObject.h" |
| #include "libGLESv2/renderer/IndexRangeCache.h" |
| |
| namespace rx |
| { |
| class Renderer; |
| class BufferStorage; |
| class StaticIndexBufferInterface; |
| class StaticVertexBufferInterface; |
| }; |
| |
| namespace gl |
| { |
| |
| class Buffer : public RefCountObject |
| { |
| public: |
| Buffer(rx::Renderer *renderer, GLuint id); |
| |
| virtual ~Buffer(); |
| |
| void bufferData(const void *data, GLsizeiptr size, GLenum usage); |
| void bufferSubData(const void *data, GLsizeiptr size, GLintptr offset); |
| void copyBufferSubData(Buffer* source, GLintptr sourceOffset, GLintptr destOffset, GLsizeiptr size); |
| GLvoid *mapRange(GLintptr offset, GLsizeiptr length, GLbitfield access); |
| void unmap(); |
| |
| GLenum usage() const; |
| GLint accessFlags() const; |
| GLboolean mapped() const; |
| GLvoid *mapPointer() const; |
| GLint64 mapOffset() const; |
| GLint64 mapLength() const; |
| |
| rx::BufferStorage *getStorage() const; |
| GLint64 size() const; |
| |
| void markTransformFeedbackUsage(); |
| |
| rx::StaticVertexBufferInterface *getStaticVertexBuffer(); |
| rx::StaticIndexBufferInterface *getStaticIndexBuffer(); |
| void invalidateStaticData(); |
| void promoteStaticUsage(int dataSize); |
| |
| rx::IndexRangeCache *getIndexRangeCache(); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Buffer); |
| |
| rx::Renderer *mRenderer; |
| GLenum mUsage; |
| GLint mAccessFlags; |
| GLboolean mMapped; |
| GLvoid *mMapPointer; |
| GLint64 mMapOffset; |
| GLint64 mMapLength; |
| |
| rx::BufferStorage *mBufferStorage; |
| |
| rx::IndexRangeCache mIndexRangeCache; |
| |
| rx::StaticVertexBufferInterface *mStaticVertexBuffer; |
| rx::StaticIndexBufferInterface *mStaticIndexBuffer; |
| unsigned int mUnmodifiedDataUse; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_BUFFER_H_ |