kc3-lang/angle/src/libGLESv2/renderer/VertexBuffer9.h

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• Hash : b80a1901
  Author :
  Date : 2012-12-20T20:57:09
  

  Implemented VertexBuffer9.
  
  TRAC #22225
  
  Signed-off-by: Nicolas Capens
  Signed-off-by: Daniel Koch
  Author: Geoff Lang
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1587 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/renderer/VertexBuffer9.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.
  //
  
  // VertexBuffer9.h: Defines the D3D9 VertexBuffer implementation.
  
  #ifndef LIBGLESV2_RENDERER_VERTEXBUFFER9_H_
  #define LIBGLESV2_RENDERER_VERTEXBUFFER9_H_
  
  #include "libGLESv2/renderer/VertexBuffer.h"
  #include "libGLESv2/renderer/Renderer9.h"
  
  #include <d3d9.h>
  
  namespace rx
  {
  
  class VertexBuffer9 : public VertexBuffer
  {
    public:
      explicit VertexBuffer9(rx::Renderer9 *const renderer);
      virtual ~VertexBuffer9();
  
      virtual bool initialize(unsigned int size, bool dynamicUsage);
  
      static VertexBuffer9 *makeVertexBuffer9(VertexBuffer *vertexBuffer);
  
      virtual bool storeVertexAttributes(const gl::VertexAttribute &attrib, GLint start, GLsizei count, GLsizei instances,
                                         unsigned int offset);
      virtual bool storeRawData(const void* data, unsigned int size, unsigned int offset);
  
      virtual unsigned int getSpaceRequired(const gl::VertexAttribute &attrib, GLsizei count, GLsizei instances) const;
  
      unsigned int getVertexSize(const gl::VertexAttribute &attrib) const;
      D3DDECLTYPE getDeclType(const gl::VertexAttribute &attrib) const;
  
      virtual unsigned int getBufferSize() const;
      virtual bool setBufferSize(unsigned int size);
      virtual bool discard();
  
      IDirect3DVertexBuffer9 *getBuffer() const;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(VertexBuffer9);
  
      rx::Renderer9 *const mRenderer;
  
      IDirect3DVertexBuffer9 *mVertexBuffer;
      unsigned int mBufferSize;
      bool mDynamicUsage;
  
      // Attribute format conversion
      struct FormatConverter
      {
          bool identity;
          std::size_t outputElementSize;
          void (*convertArray)(const void *in, std::size_t stride, std::size_t n, void *out);
          D3DDECLTYPE d3dDeclType;
      };
  
      enum { NUM_GL_VERTEX_ATTRIB_TYPES = 6 };
  
      static bool mAttributeTypesInitialized;
      static FormatConverter mAttributeTypes[NUM_GL_VERTEX_ATTRIB_TYPES][2][4];   // [GL types as enumerated by typeIndex()][normalized][size - 1]
  
      struct TranslationDescription
      {
          DWORD capsFlag;
          FormatConverter preferredConversion;
          FormatConverter fallbackConversion;
      };
  
      // This table is used to generate mAttributeTypes.
      static const TranslationDescription mPossibleTranslations[NUM_GL_VERTEX_ATTRIB_TYPES][2][4]; // [GL types as enumerated by typeIndex()][normalized][size - 1]
  
      static void initializeTranslations(DWORD declTypes);
  
      static unsigned int typeIndex(GLenum type);
      static const FormatConverter &formatConverter(const gl::VertexAttribute &attribute);
  
      static unsigned int spaceRequired(const gl::VertexAttribute &attrib, std::size_t count, GLsizei instances);
  };
  
  }
  
  #endif // LIBGLESV2_RENDERER_VERTEXBUFFER9_H_

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