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

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• Hash : 3822ea3a
  Author :
  Date : 2023-08-24T22:42:43
  

  D3D: Move program state to ProgramExecutableD3D
  
  Bug: angleproject:8297
  Change-Id: Ieead87d2f0ebe5937f262f598443a00504ea1492
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4812139
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>
  

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

• //
  // Copyright 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 LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
  #define LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
  
  #include "libANGLE/Error.h"
  #include "libANGLE/renderer/d3d/VertexDataManager.h"
  
  namespace gl
  {
  class VertexDataManager;
  class ProgramExecutable;
  }  // namespace gl
  
  namespace rx
  {
  class VertexDeclarationCache
  {
    public:
      VertexDeclarationCache();
      ~VertexDeclarationCache();
  
      angle::Result applyDeclaration(const gl::Context *context,
                                     IDirect3DDevice9 *device,
                                     const std::vector<TranslatedAttribute> &attributes,
                                     gl::ProgramExecutable *executable,
                                     GLint start,
                                     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];
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_D3D9_VERTEXDECLARATIONCACHE_H_
  

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