| // |
| // Copyright (c) 2002-2012 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. |
| // |
| |
| // VertexDataManager.h: Defines the VertexDataManager, a class that |
| // runs the Buffer translation process. |
| |
| #ifndef LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_ |
| #define LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_ |
| |
| #include <vector> |
| #include <cstddef> |
| |
| #define GL_APICALL |
| #include <GLES2/gl2.h> |
| |
| #include "libGLESv2/Context.h" |
| #include "libGLESv2/renderer/VertexBuffer.h" |
| |
| namespace rx |
| { |
| |
| struct TranslatedAttribute |
| { |
| bool active; |
| |
| const gl::VertexAttribute *attribute; |
| UINT offset; |
| UINT stride; // 0 means not to advance the read pointer at all |
| |
| VertexBuffer *vertexBuffer; |
| unsigned int serial; |
| unsigned int divisor; |
| }; |
| |
| class VertexDataManager |
| { |
| public: |
| VertexDataManager(rx::Renderer *renderer); |
| virtual ~VertexDataManager(); |
| |
| GLenum prepareVertexData(const gl::VertexAttribute attribs[], gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *outAttribs, GLsizei instances); |
| |
| private: |
| DISALLOW_COPY_AND_ASSIGN(VertexDataManager); |
| |
| rx::Renderer *const mRenderer; |
| |
| StreamingVertexBufferInterface *mStreamingBuffer; |
| |
| float mCurrentValue[gl::MAX_VERTEX_ATTRIBS][4]; |
| StreamingVertexBufferInterface *mCurrentValueBuffer[gl::MAX_VERTEX_ATTRIBS]; |
| std::size_t mCurrentValueOffsets[gl::MAX_VERTEX_ATTRIBS]; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_ |