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comparison: gfx/angle/src/libGLESv2/renderer/VertexDataManager.h
gfx/angle/src/libGLESv2/renderer/VertexDataManager.h
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| 1 // | |
| 2 // Copyright (c) 2002-2012 The ANGLE Project Authors. All rights reserved. | |
| 3 // Use of this source code is governed by a BSD-style license that can be | |
| 4 // found in the LICENSE file. | |
| 5 // | |
| 6 | |
| 7 // VertexDataManager.h: Defines the VertexDataManager, a class that | |
| 8 // runs the Buffer translation process. | |
| 9 | |
| 10 #ifndef LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_ | |
| 11 #define LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_ | |
| 12 | |
| 13 #include "libGLESv2/Constants.h" | |
| 14 #include "common/angleutils.h" | |
| 15 | |
| 16 namespace gl | |
| 17 { | |
| 18 class VertexAttribute; | |
| 19 class ProgramBinary; | |
| 20 } | |
| 21 | |
| 22 namespace rx | |
| 23 { | |
| 24 class BufferStorage; | |
| 25 class StreamingVertexBufferInterface; | |
| 26 class VertexBuffer; | |
| 27 class Renderer; | |
| 28 | |
| 29 struct TranslatedAttribute | |
| 30 { | |
| 31 bool active; | |
| 32 | |
| 33 const gl::VertexAttribute *attribute; | |
| 34 unsigned int offset; | |
| 35 unsigned int stride; // 0 means not to advance the read pointer at all | |
| 36 | |
| 37 VertexBuffer *vertexBuffer; | |
| 38 BufferStorage *storage; | |
| 39 unsigned int serial; | |
| 40 unsigned int divisor; | |
| 41 }; | |
| 42 | |
| 43 class VertexDataManager | |
| 44 { | |
| 45 public: | |
| 46 VertexDataManager(rx::Renderer *renderer); | |
| 47 virtual ~VertexDataManager(); | |
| 48 | |
| 49 GLenum prepareVertexData(const gl::VertexAttribute attribs[], gl::ProgramBinary *programBinary, GLint start, GLsizei count, TranslatedAttribute *outAttribs, GLsizei instances); | |
| 50 | |
| 51 private: | |
| 52 DISALLOW_COPY_AND_ASSIGN(VertexDataManager); | |
| 53 | |
| 54 rx::Renderer *const mRenderer; | |
| 55 | |
| 56 StreamingVertexBufferInterface *mStreamingBuffer; | |
| 57 | |
| 58 float mCurrentValue[gl::MAX_VERTEX_ATTRIBS][4]; | |
| 59 StreamingVertexBufferInterface *mCurrentValueBuffer[gl::MAX_VERTEX_ATTRIBS]; | |
| 60 std::size_t mCurrentValueOffsets[gl::MAX_VERTEX_ATTRIBS]; | |
| 61 }; | |
| 62 | |
| 63 } | |
| 64 | |
| 65 #endif // LIBGLESV2_RENDERER_VERTEXDATAMANAGER_H_ |
