kc3-lang/angle/src/libANGLE/renderer/d3d/d3d11/Clear11.h

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• Hash : d1a4b0ff
  Author :
  Date : 2019-05-04T17:15:42
  

  Remove Feature Level 9_3 code
  
  Feature Level 9_3 was originally added for developers creating apps
  for devices which did not have the DirectX 9 API and are no longer
  supported. Hence, we can remove the corresponding code in the 11
  backend.
  
  Bug: angleproject:355462523
  Change-Id: I22db15640b435c61db4d82a815edbc65cecc4e12
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/5824661
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  Commit-Queue: Rafael Cintron <rafael.cintron@microsoft.com>
  

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• src/libANGLE/renderer/d3d/d3d11/Clear11.h

• //
  // Copyright 2013 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.
  //
  
  // Clear11.h: Framebuffer clear utility class.
  
  #ifndef LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
  #define LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
  
  #include <map>
  #include <vector>
  
  #include "libANGLE/Error.h"
  #include "libANGLE/Framebuffer.h"
  #include "libANGLE/angletypes.h"
  #include "libANGLE/renderer/d3d/d3d11/renderer11_utils.h"
  
  namespace rx
  {
  class Renderer11;
  class RenderTarget11;
  struct ClearParameters;
  
  template <typename T>
  struct RtvDsvClearInfo
  {
      T r, g, b, a;
      float z;
      float c1padding[3];
  };
  
  class Clear11 : angle::NonCopyable
  {
    public:
      explicit Clear11(Renderer11 *renderer);
      ~Clear11();
  
      // Clears the framebuffer with the supplied clear parameters, assumes that the framebuffer is
      // currently applied.
      angle::Result clearFramebuffer(const gl::Context *context,
                                     const ClearParameters &clearParams,
                                     const gl::FramebufferState &fboData);
  
    private:
      class ShaderManager final : angle::NonCopyable
      {
        public:
          ShaderManager();
          ~ShaderManager();
          angle::Result getShadersAndLayout(const gl::Context *context,
                                            Renderer11 *renderer,
                                            const INT clearType,
                                            const uint32_t numRTs,
                                            const bool hasLayeredLayout,
                                            const d3d11::InputLayout **il,
                                            const d3d11::VertexShader **vs,
                                            const d3d11::GeometryShader **gs,
                                            const d3d11::PixelShader **ps);
  
        private:
          constexpr static size_t kNumShaders = D3D11_SIMULTANEOUS_RENDER_TARGET_COUNT;
  
          d3d11::LazyShader<ID3D11VertexShader> mVs;
          d3d11::LazyShader<ID3D11VertexShader> mVsMultiview;
          d3d11::LazyShader<ID3D11GeometryShader> mGsMultiview;
          d3d11::LazyShader<ID3D11PixelShader> mPsDepth;
          std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsFloat;
          std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsUInt;
          std::array<d3d11::LazyShader<ID3D11PixelShader>, kNumShaders> mPsSInt;
      };
  
      bool useVertexBuffer() const;
      angle::Result ensureConstantBufferCreated(const gl::Context *context);
      angle::Result ensureVertexBufferCreated(const gl::Context *context);
      angle::Result ensureResourcesInitialized(const gl::Context *context);
  
      Renderer11 *mRenderer;
      bool mResourcesInitialized;
  
      // States
      d3d11::RasterizerState mScissorEnabledRasterizerState;
      d3d11::RasterizerState mScissorDisabledRasterizerState;
      gl::DepthStencilState mDepthStencilStateKey;
      d3d11::BlendStateKey mBlendStateKey;
  
      // Shaders and shader resources
      ShaderManager mShaderManager;
      d3d11::Buffer mConstantBuffer;
      d3d11::Buffer mVertexBuffer;
  
      // Buffer data and draw parameters
      RtvDsvClearInfo<float> mShaderData;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
  

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