kc3-lang/angle/src/libANGLE/renderer/d3d/RendererD3D.h

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• Hash : 5274202f
  Author :
  Date : 2015-02-04T14:55:39
  

  Unbind unused stream out from the D3D11 pipeline to avoid conflicts.
  
  Also allow points drawing without gl_PointSize if transform feedback is
  active.
  
  Change-Id: I172d423e847b35b94ebaea102dd97b695575c828
  Reviewed-on: https://chromium-review.googlesource.com/246100
  Tested-by: Gregoire Payen de La Garanderie <Gregory.Payen@imgtec.com>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/d3d/RendererD3D.h

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  // Copyright (c) 2014 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.
  //
  
  // RendererD3D.h: Defines a back-end specific class for the DirectX renderer.
  
  #ifndef LIBANGLE_RENDERER_D3D_RENDERERD3D_H_
  #define LIBANGLE_RENDERER_D3D_RENDERERD3D_H_
  
  #include "common/MemoryBuffer.h"
  #include "libANGLE/Data.h"
  #include "libANGLE/renderer/Renderer.h"
  #include "libANGLE/renderer/d3d/formatutilsD3D.h"
  #include "libANGLE/renderer/d3d/d3d11/NativeWindow.h"
  
  //FIXME(jmadill): std::array is currently prohibited by Chromium style guide
  #include <array>
  
  namespace egl
  {
  class ConfigSet;
  }
  
  namespace gl
  {
  class InfoLog;
  struct LinkedVarying;
  class Texture;
  }
  
  namespace rx
  {
  class ImageD3D;
  class IndexBuffer;
  class RenderTargetD3D;
  class ShaderExecutableD3D;
  class SwapChainD3D;
  class TextureStorage;
  class UniformStorageD3D;
  class VertexBuffer;
  
  enum ShaderType
  {
      SHADER_VERTEX,
      SHADER_PIXEL,
      SHADER_GEOMETRY
  };
  
  class RendererD3D : public Renderer
  {
    public:
      explicit RendererD3D(egl::Display *display);
      virtual ~RendererD3D();
  
      virtual egl::Error initialize() = 0;
  
      static RendererD3D *makeRendererD3D(Renderer *renderer);
  
      virtual egl::ConfigSet generateConfigs() const = 0;
  
      gl::Error drawArrays(const gl::Data &data,
                           GLenum mode, GLint first,
                           GLsizei count, GLsizei instances) override;
  
      gl::Error drawElements(const gl::Data &data,
                             GLenum mode, GLsizei count, GLenum type,
                             const GLvoid *indices, GLsizei instances,
                             const RangeUI &indexRange) override;
  
      bool isDeviceLost() const override;
      std::string getVendorString() const override;
  
      virtual int getMinorShaderModel() const = 0;
      virtual std::string getShaderModelSuffix() const = 0;
  
      // Direct3D Specific methods
      virtual GUID getAdapterIdentifier() const = 0;
  
      virtual SwapChainD3D *createSwapChain(NativeWindow nativeWindow, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0;
  
      virtual gl::Error generateSwizzle(gl::Texture *texture) = 0;
      virtual gl::Error setSamplerState(gl::SamplerType type, int index, gl::Texture *texture, const gl::SamplerState &sampler) = 0;
      virtual gl::Error setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0;
  
      virtual gl::Error setUniformBuffers(const gl::Buffer *vertexUniformBuffers[], const gl::Buffer *fragmentUniformBuffers[]) = 0;
  
      virtual gl::Error setRasterizerState(const gl::RasterizerState &rasterState) = 0;
      virtual gl::Error setBlendState(const gl::Framebuffer *framebuffer, const gl::BlendState &blendState, const gl::ColorF &blendColor,
                                      unsigned int sampleMask) = 0;
      virtual gl::Error setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
                                             int stencilBackRef, bool frontFaceCCW) = 0;
  
      virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0;
      virtual void setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
                               bool ignoreViewport) = 0;
  
      virtual gl::Error applyRenderTarget(const gl::Framebuffer *frameBuffer) = 0;
      virtual gl::Error applyShaders(gl::Program *program, const gl::VertexFormat inputLayout[], const gl::Framebuffer *framebuffer,
                                     bool rasterizerDiscard, bool transformFeedbackActive) = 0;
      virtual gl::Error applyUniforms(const ProgramImpl &program, const std::vector<gl::LinkedUniform*> &uniformArray) = 0;
      virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount, bool usesPointSize) = 0;
      virtual gl::Error applyVertexBuffer(const gl::State &state, GLenum mode, GLint first, GLsizei count, GLsizei instances) = 0;
      virtual gl::Error applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0;
      virtual void applyTransformFeedbackBuffers(const gl::State& state) = 0;
  
      virtual void markAllStateDirty() = 0;
  
      virtual unsigned int getReservedVertexUniformVectors() const = 0;
      virtual unsigned int getReservedFragmentUniformVectors() const = 0;
      virtual unsigned int getReservedVertexUniformBuffers() const = 0;
      virtual unsigned int getReservedFragmentUniformBuffers() const = 0;
      virtual bool getShareHandleSupport() const = 0;
      virtual bool getPostSubBufferSupport() const = 0;
  
      virtual int getMajorShaderModel() const = 0;
  
      // Pixel operations
      virtual gl::Error copyImage2D(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                   const gl::Offset &destOffset, TextureStorage *storage, GLint level) = 0;
      virtual gl::Error copyImageCube(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                      const gl::Offset &destOffset, TextureStorage *storage, GLenum target, GLint level) = 0;
      virtual gl::Error copyImage3D(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                    const gl::Offset &destOffset, TextureStorage *storage, GLint level) = 0;
      virtual gl::Error copyImage2DArray(const gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                         const gl::Offset &destOffset, TextureStorage *storage, GLint level) = 0;
  
      // RenderTarget creation
      virtual gl::Error createRenderTarget(int width, int height, GLenum format, GLsizei samples, RenderTargetD3D **outRT) = 0;
  
      // Shader operations
      virtual gl::Error loadExecutable(const void *function, size_t length, ShaderType type,
                                       const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                       bool separatedOutputBuffers, ShaderExecutableD3D **outExecutable) = 0;
      virtual gl::Error compileToExecutable(gl::InfoLog &infoLog, const std::string &shaderHLSL, ShaderType type,
                                            const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                            bool separatedOutputBuffers, D3DWorkaroundType workaround,
                                            ShaderExecutableD3D **outExectuable) = 0;
      virtual UniformStorageD3D *createUniformStorage(size_t storageSize) = 0;
  
      // Image operations
      virtual ImageD3D *createImage() = 0;
      virtual gl::Error generateMipmap(ImageD3D *dest, ImageD3D *source) = 0;
      virtual TextureStorage *createTextureStorage2D(SwapChainD3D *swapChain) = 0;
      virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels, bool hintLevelZeroOnly) = 0;
      virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels, bool hintLevelZeroOnly) = 0;
      virtual TextureStorage *createTextureStorage3D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0;
      virtual TextureStorage *createTextureStorage2DArray(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, GLsizei depth, int levels) = 0;
  
      // Buffer-to-texture and Texture-to-buffer copies
      virtual bool supportsFastCopyBufferToTexture(GLenum internalFormat) const = 0;
      virtual gl::Error fastCopyBufferToTexture(const gl::PixelUnpackState &unpack, unsigned int offset, RenderTargetD3D *destRenderTarget,
                                                GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea) = 0;
  
      virtual VertexConversionType getVertexConversionType(const gl::VertexFormat &vertexFormat) const = 0;
      virtual GLenum getVertexComponentType(const gl::VertexFormat &vertexFormat) const = 0;
  
      virtual VertexBuffer *createVertexBuffer() = 0;
      virtual IndexBuffer *createIndexBuffer() = 0;
  
      // Device lost
      void notifyDeviceLost() override;
      virtual bool resetDevice() = 0;
  
      gl::Error getScratchMemoryBuffer(size_t requestedSize, MemoryBuffer **bufferOut);
  
    protected:
      virtual gl::Error drawArrays(const gl::Data &data, GLenum mode, GLsizei count, GLsizei instances, bool usesPointSize) = 0;
      virtual gl::Error drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices,
                                     gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0;
  
      virtual bool getLUID(LUID *adapterLuid) const = 0;
  
      void cleanup();
  
      egl::Display *mDisplay;
      bool mDeviceLost;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(RendererD3D);
  
      //FIXME(jmadill): std::array is currently prohibited by Chromium style guide
      typedef std::array<unsigned int, gl::IMPLEMENTATION_MAX_FRAMEBUFFER_ATTACHMENTS> FramebufferTextureSerialArray;
  
      gl::Error generateSwizzles(const gl::Data &data, gl::SamplerType type);
      gl::Error generateSwizzles(const gl::Data &data);
  
      gl::Error applyRenderTarget(const gl::Data &data, GLenum drawMode, bool ignoreViewport);
      gl::Error applyState(const gl::Data &data, GLenum drawMode);
      gl::Error applyShaders(const gl::Data &data);
      gl::Error applyTextures(const gl::Data &data, gl::SamplerType shaderType,
                              const FramebufferTextureSerialArray &framebufferSerials, size_t framebufferSerialCount);
      gl::Error applyTextures(const gl::Data &data);
      gl::Error applyUniformBuffers(const gl::Data &data);
  
      bool skipDraw(const gl::Data &data, GLenum drawMode);
      void markTransformFeedbackUsage(const gl::Data &data);
  
      size_t getBoundFramebufferTextureSerials(const gl::Data &data,
                                               FramebufferTextureSerialArray *outSerialArray);
      gl::Texture *getIncompleteTexture(GLenum type);
  
      gl::TextureMap mIncompleteTextures;
      MemoryBuffer mScratchMemoryBuffer;
      unsigned int mScratchMemoryBufferResetCounter;
  };
  
  struct dx_VertexConstants
  {
      float depthRange[4];
      float viewAdjust[4];
      float viewCoords[4];
  };
  
  struct dx_PixelConstants
  {
      float depthRange[4];
      float viewCoords[4];
      float depthFront[4];
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_D3D_RENDERERD3D_H_
  

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