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

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• Hash : aa7203ef
  Author :
  Date : 2017-05-03T23:32:29
  

  Inherit privately from angle::NonCopyable.
  
  Make all inheritance from angle::NonCopyable private so the compiler
  complains about this (admittedly unlikely) code:
  
    class Foo: angle::NonCopyable {
        virtual ~Foo() { ... }
    };
    angle::NonCopyable *p = new Foo;
    delete p;
  
  In the above code ~Foo() is not called, only ~NonCopyable(), because the
  latter is not virtual.  Making it virtual would add overhead to all derived
  classes which don't already have a virtual method.
  
  Also tighten access in NonCopyable, because we can.
  
  BUG=angleproject:2026
  
  Change-Id: Id0dc4d959cfb7bb82cf49382118129abb1d3a4f0
  Reviewed-on: https://chromium-review.googlesource.com/495352
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Commit-Queue: Frank Henigman <fjhenigman@chromium.org>
  

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

• //
  // Copyright (c) 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/angletypes.h"
  #include "libANGLE/Error.h"
  #include "libANGLE/Framebuffer.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.
      gl::Error clearFramebuffer(const ClearParameters &clearParams,
                                 const gl::FramebufferState &fboData);
  
    private:
      class ShaderManager final : angle::NonCopyable
      {
        public:
          ShaderManager();
          ~ShaderManager();
          void getShadersAndLayout(ID3D11Device *device,
                                   D3D_FEATURE_LEVEL featureLevel,
                                   const INT clearType,
                                   ID3D11InputLayout **il,
                                   ID3D11VertexShader **vs,
                                   ID3D11PixelShader **ps);
  
        private:
          angle::ComPtr<ID3D11InputLayout> mIl9;
          d3d11::LazyShader<ID3D11VertexShader> mVs9;
          d3d11::LazyShader<ID3D11PixelShader> mPsFloat9;
          d3d11::LazyShader<ID3D11VertexShader> mVs;
          d3d11::LazyShader<ID3D11PixelShader> mPsFloat;
          d3d11::LazyShader<ID3D11PixelShader> mPsUInt;
          d3d11::LazyShader<ID3D11PixelShader> mPsSInt;
      };
  
      Renderer11 *mRenderer;
  
      // States
      angle::ComPtr<ID3D11RasterizerState> mScissorEnabledRasterizerState;
      angle::ComPtr<ID3D11RasterizerState> mScissorDisabledRasterizerState;
      gl::DepthStencilState mDepthStencilStateKey;
      d3d11::BlendStateKey mBlendStateKey;
  
      // Shaders and shader resources
      ShaderManager mShaderManager;
      angle::ComPtr<ID3D11Buffer> mConstantBuffer;
      angle::ComPtr<ID3D11Buffer> mVertexBuffer;
  
      // Buffer data and draw parameters
      RtvDsvClearInfo<float> mShaderData;
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_D3D_D3D11_CLEAR11_H_
  

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