kc3-lang/angle/src/libGLESv2/renderer/IndexDataManager.h

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• Hash : 22ada2cb
  Author :
  Date : 2013-01-11T04:07:12
  

  DX11 index buffer offset is in bytes.
  
  TRAC #22332
  Signed-off-by: Daniel Koch
  Signed-off-by: Shannon Woods
  Author: Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1657 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/renderer/IndexDataManager.h

• //
  // 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.
  //
  
  // 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 <vector>
  #include <cstddef>
  
  #define GL_APICALL
  #include <GLES2/gl2.h>
  
  #include "libGLESv2/Context.h"
  #include "libGLESv2/renderer/IndexBuffer.h"
  
  namespace
  {
      enum { INITIAL_INDEX_BUFFER_SIZE = 4096 * sizeof(GLuint) };
  }
  
  namespace rx
  {
  class Renderer9;
  
  struct TranslatedIndexData
  {
      UINT minIndex;
      UINT maxIndex;
      UINT startIndex;
      UINT startOffset;   // In bytes
  
      IndexBuffer *indexBuffer;
      unsigned int serial;
  };
  
  class IndexDataManager
  {
    public:
      explicit IndexDataManager(Renderer *renderer);
      virtual ~IndexDataManager();
  
      GLenum prepareIndexData(GLenum type, GLsizei count, gl::Buffer *arrayElementBuffer, const GLvoid *indices, TranslatedIndexData *translated);
      StaticIndexBufferInterface *getCountingIndices(GLsizei count);
  
    private:
      DISALLOW_COPY_AND_ASSIGN(IndexDataManager);
  
      Renderer *const mRenderer;
  
      StreamingIndexBufferInterface *mStreamingBufferShort;
      StreamingIndexBufferInterface *mStreamingBufferInt;
      StaticIndexBufferInterface *mCountingBuffer;
  };
  
  }
  
  #endif   // LIBGLESV2_INDEXDATAMANAGER_H_
  

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