| // |
| // Copyright (c) 2002-2010 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 <cstddef> |
| #include <vector> |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| |
| #include "common/angleutils.h" |
| |
| namespace gl |
| { |
| |
| class BufferBackEnd; |
| class TranslatedVertexBuffer; |
| |
| class Buffer |
| { |
| public: |
| explicit Buffer(BufferBackEnd *backEnd); |
| ~Buffer(); |
| |
| GLenum bufferData(const void *data, GLsizeiptr size, GLenum usage); |
| GLenum bufferSubData(const void *data, GLsizeiptr size, GLintptr offset); |
| |
| void *data() { return &mContents[0]; } |
| GLsizeiptr size() const { return mContents.size(); } |
| GLenum usage() const { return mUsage; } |
| |
| TranslatedVertexBuffer *identityBuffer() { return mIdentityTranslation; } |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(Buffer); |
| |
| std::vector<GLubyte> mContents; |
| GLenum mUsage; |
| |
| BufferBackEnd *mBackEnd; |
| TranslatedVertexBuffer *mIdentityTranslation; |
| |
| GLenum copyToIdentityBuffer(GLintptr offset, GLsizeiptr length); |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_BUFFER_H_ |