kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.h

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• Hash : 6655e94f
  Author :
  Date : 2024-09-09T15:41:09
  

  Remove Feature Level 9_3, part 2
  
  Remove all of the remaining feature level 9_3 code.
  
  Bug: angleproject:355462523
  Change-Id: Ifd15d8f5486d3e7f8f2e134f23872abf4a8ea51c
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5847452
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>
  

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• src/libANGLE/renderer/d3d/d3d11/InputLayoutCache.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.
  //
  
  // InputLayoutCache.h: Defines InputLayoutCache, a class that builds and caches
  // D3D11 input layouts.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D11_INPUTLAYOUTCACHE_H_
  #define LIBANGLE_RENDERER_D3D_D3D11_INPUTLAYOUTCACHE_H_
  
  #include <GLES2/gl2.h>
  
  #include <cstddef>
  
  #include <array>
  #include <map>
  
  #include "common/angleutils.h"
  #include "libANGLE/Constants.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/SizedMRUCache.h"
  #include "libANGLE/formatutils.h"
  #include "libANGLE/renderer/d3d/RendererD3D.h"
  #include "libANGLE/renderer/d3d/d3d11/ResourceManager11.h"
  
  namespace rx
  {
  struct PackedAttributeLayout
  {
      PackedAttributeLayout();
      PackedAttributeLayout(const PackedAttributeLayout &other);
  
      void addAttributeData(GLenum glType,
                            UINT semanticIndex,
                            angle::FormatID vertexFormatID,
                            unsigned int divisor);
  
      bool operator==(const PackedAttributeLayout &other) const;
  
      uint32_t numAttributes;
      gl::AttribArray<uint64_t> attributeData;
  };
  }  // namespace rx
  
  namespace std
  {
  template <>
  struct hash<rx::PackedAttributeLayout>
  {
      size_t operator()(const rx::PackedAttributeLayout &value) const
      {
          return angle::ComputeGenericHash(value);
      }
  };
  }  // namespace std
  
  namespace gl
  {
  class Program;
  }  // namespace gl
  
  namespace rx
  {
  class Context11;
  struct TranslatedAttribute;
  struct TranslatedIndexData;
  struct SourceIndexData;
  class ProgramD3D;
  class Renderer11;
  
  class InputLayoutCache : angle::NonCopyable
  {
    public:
      InputLayoutCache();
      ~InputLayoutCache();
  
      void clear();
  
      // Useful for testing
      void setCacheSize(size_t newCacheSize);
  
      angle::Result getInputLayout(Context11 *context,
                                   const gl::State &state,
                                   const std::vector<const TranslatedAttribute *> &currentAttributes,
                                   const AttribIndexArray &sortedSemanticIndices,
                                   gl::PrimitiveMode mode,
                                   GLsizei vertexCount,
                                   GLsizei instances,
                                   const d3d11::InputLayout **inputLayoutOut);
  
    private:
      angle::Result createInputLayout(
          Context11 *context11,
          const AttribIndexArray &sortedSemanticIndices,
          const std::vector<const TranslatedAttribute *> &currentAttributes,
          gl::PrimitiveMode mode,
          GLsizei vertexCount,
          GLsizei instances,
          d3d11::InputLayout *inputLayoutOut);
  
      // Starting cache size.
      static constexpr size_t kDefaultCacheSize = 1024;
  
      // The cache tries to clean up this many states at once.
      static constexpr size_t kGCLimit = 128;
  
      using LayoutCache = angle::base::HashingMRUCache<PackedAttributeLayout, d3d11::InputLayout>;
      LayoutCache mLayoutCache;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_D3D11_INPUTLAYOUTCACHE_H_
  

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