| // |
| // 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. |
| // |
| |
| // IndexDataManager.h: Defines the IndexDataManager, a class that |
| // runs the Buffer translation process for index buffers. |
| |
| #ifndef LIBGLESV2_INDEXDATAMANAGER_H_ |
| #define LIBGLESV2_INDEXDATAMANAGER_H_ |
| |
| #include "common/angleutils.h" |
| #include "common/mathutil.h" |
| #include "libGLESv2/Error.h" |
| |
| #include <GLES2/gl2.h> |
| |
| namespace |
| { |
| enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) }; |
| } |
| |
| namespace gl |
| { |
| class Buffer; |
| } |
| |
| namespace rx |
| { |
| class IndexBufferInterface; |
| class StaticIndexBufferInterface; |
| class StreamingIndexBufferInterface; |
| class IndexBuffer; |
| class BufferD3D; |
| class Renderer; |
| |
| struct TranslatedIndexData |
| { |
| RangeUI indexRange; |
| unsigned int startIndex; |
| unsigned int startOffset; // In bytes |
| |
| IndexBuffer *indexBuffer; |
| BufferD3D *storage; |
| GLenum indexType; |
| unsigned int serial; |
| }; |
| |
| class IndexDataManager |
| { |
| public: |
| explicit IndexDataManager(Renderer *renderer); |
| virtual ~IndexDataManager(); |
| |
| gl::Error prepareIndexData(GLenum type, GLsizei count, gl::Buffer *arrayElementBuffer, const GLvoid *indices, TranslatedIndexData *translated); |
| |
| private: |
| gl::Error getStreamingIndexBuffer(GLenum destinationIndexType, IndexBufferInterface **outBuffer); |
| |
| DISALLOW_COPY_AND_ASSIGN(IndexDataManager); |
| |
| Renderer *const mRenderer; |
| |
| StreamingIndexBufferInterface *mStreamingBufferShort; |
| StreamingIndexBufferInterface *mStreamingBufferInt; |
| }; |
| |
| } |
| |
| #endif // LIBGLESV2_INDEXDATAMANAGER_H_ |