kc3-lang/angle/src/libGLESv2/renderer/d3d/d3d9/VertexDeclarationCache.h

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• Hash : f7100b98
  Author :
  Date : 2014-09-08T16:17:08
  

  Updated the vertex buffer classes to use Error objects.
  
  BUG=angle:520
  
  Change-Id: Id003e66b2acbf37dbbe66aaca2fa336c3c884be2
  Reviewed-on: https://chromium-review.googlesource.com/217102
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libGLESv2/renderer/d3d/d3d9/VertexDeclarationCache.h

• //
  // Copyright (c) 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.
  //
  
  // VertexDeclarationCache.h: Defines a helper class to construct and cache vertex declarations.
  
  #ifndef LIBGLESV2_RENDERER_VERTEXDECLARATIONCACHE_H_
  #define LIBGLESV2_RENDERER_VERTEXDECLARATIONCACHE_H_
  
  #include "libGLESv2/Error.h"
  #include "libGLESv2/renderer/d3d/VertexDataManager.h"
  
  namespace gl
  {
  class VertexDataManager;
  }
  
  namespace rx
  {
  
  class VertexDeclarationCache
  {
    public:
      VertexDeclarationCache();
      ~VertexDeclarationCache();
  
      gl::Error applyDeclaration(IDirect3DDevice9 *device, TranslatedAttribute attributes[], gl::ProgramBinary *programBinary, GLsizei instances, GLsizei *repeatDraw);
  
      void markStateDirty();
  
    private:
      UINT mMaxLru;
  
      enum { NUM_VERTEX_DECL_CACHE_ENTRIES = 32 };
  
      struct VBData
      {
          unsigned int serial;
          unsigned int stride;
          unsigned int offset;
      };
  
      VBData mAppliedVBs[gl::MAX_VERTEX_ATTRIBS];
      IDirect3DVertexDeclaration9 *mLastSetVDecl;
      bool mInstancingEnabled;
  
      struct VertexDeclCacheEntry
      {
          D3DVERTEXELEMENT9 cachedElements[gl::MAX_VERTEX_ATTRIBS + 1];
          UINT lruCount;
          IDirect3DVertexDeclaration9 *vertexDeclaration;
      } mVertexDeclCache[NUM_VERTEX_DECL_CACHE_ENTRIES];
  };
  
  }
  
  #endif // LIBGLESV2_RENDERER_VERTEXDECLARATIONCACHE_H_
  

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