kc3-lang/angle/src/libGLESv2/renderer/Renderer11.h

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• Hash : 5fb979d5
  Author :
  Date : 2013-01-25T21:53:04
  

  Use a single set of constant buffers for the driver uniforms.
  
  TRAC #22327
  Signed-off-by: Daniel Koch
  Signed-off-by: Geoff Lang
  Author: Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1765 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/renderer/Renderer11.h

• //
  // Copyright (c) 2012-2013 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.
  //
  
  // Renderer11.h: Defines a back-end specific class for the D3D11 renderer.
  
  #ifndef LIBGLESV2_RENDERER_RENDERER11_H_
  #define LIBGLESV2_RENDERER_RENDERER11_H_
  
  #define GL_APICALL
  #include <GLES2/gl2.h>
  #include <GLES2/gl2ext.h>
  #define EGLAPI
  #include <EGL/egl.h>
  
  #include <dxgi.h>
  #include <d3d11.h>
  #include <D3Dcompiler.h>
  
  #include "common/angleutils.h"
  #include "libGLESv2/angletypes.h"
  
  #include "libGLESv2/renderer/Renderer.h"
  #include "libGLESv2/renderer/RenderStateCache.h"
  #include "libGLESv2/renderer/InputLayoutCache.h"
  
  namespace rx
  {
  
  class VertexDataManager;
  class IndexDataManager;
  class StreamingIndexBufferInterface;
  
  class Renderer11 : public Renderer
  {
    public:
      Renderer11(egl::Display *display, HDC hDc);
      virtual ~Renderer11();
  
      static Renderer11 *makeRenderer11(Renderer *renderer);
  
      virtual EGLint initialize();
      virtual bool resetDevice();
  
      virtual int generateConfigs(ConfigDesc **configDescList);
      virtual void deleteConfigs(ConfigDesc *configDescList);
  
      virtual void sync(bool block);
  
      virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat);
  
      virtual void setSamplerState(gl::SamplerType type, int index, const gl::SamplerState &sampler);
      virtual void setTexture(gl::SamplerType type, int index, gl::Texture *texture);
  
      virtual void setRasterizerState(const gl::RasterizerState &rasterState);
      virtual void setBlendState(const gl::BlendState &blendState, const gl::Color &blendColor,
                                 unsigned int sampleMask);
      virtual void setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
                                        int stencilBackRef, bool frontFaceCCW);
  
      virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled);
      virtual bool setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
                               bool ignoreViewport, gl::ProgramBinary *currentProgram);
  
      virtual bool applyPrimitiveType(GLenum mode, GLsizei count);
      virtual bool applyRenderTarget(gl::Framebuffer *frameBuffer);
      virtual void applyShaders(gl::ProgramBinary *programBinary);
      virtual void applyUniforms(const gl::UniformArray *uniformArray);
      virtual GLenum applyVertexBuffer(gl::ProgramBinary *programBinary, gl::VertexAttribute vertexAttributes[], GLint first, GLsizei count, GLsizei instances);
      virtual GLenum applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo);
  
      virtual void drawArrays(GLenum mode, GLsizei count, GLsizei instances);
      virtual void drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo);
  
      virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer);
  
      virtual void markAllStateDirty();
  
      // lost device
      virtual void markDeviceLost();
      virtual bool isDeviceLost();
      virtual bool testDeviceLost(bool notify);
      virtual bool testDeviceResettable();
  
      // Renderer capabilities
      virtual DWORD getAdapterVendor() const;
      virtual std::string getRendererDescription() const;
      virtual GUID getAdapterIdentifier() const;
  
      virtual bool getDXT1TextureSupport();
      virtual bool getDXT3TextureSupport();
      virtual bool getDXT5TextureSupport();
      virtual bool getEventQuerySupport();
      virtual bool getFloat32TextureSupport(bool *filtering, bool *renderable);
      virtual bool getFloat16TextureSupport(bool *filtering, bool *renderable);
      virtual bool getLuminanceTextureSupport();
      virtual bool getLuminanceAlphaTextureSupport();
      virtual unsigned int getMaxVertexTextureImageUnits() const;
      virtual bool getNonPower2TextureSupport() const;
      virtual bool getDepthTextureSupport() const;
      virtual bool getOcclusionQuerySupport() const;
      virtual bool getInstancingSupport() const;
      virtual bool getTextureFilterAnisotropySupport() const;
      virtual float getTextureMaxAnisotropy() const;
      virtual bool getShareHandleSupport() const;
      virtual bool getDerivativeInstructionSupport() const;
  
      virtual int getMajorShaderModel() const;
      virtual float getMaxPointSize() const;
      virtual int getMaxTextureWidth() const;
      virtual int getMaxTextureHeight() const;
      virtual bool get32BitIndexSupport() const;
      virtual int getMinSwapInterval() const;
      virtual int getMaxSwapInterval() const;
  
      virtual GLsizei getMaxSupportedSamples() const;
  
      // Pixel operations
      virtual bool copyToRenderTarget(TextureStorageInterface2D *dest, TextureStorageInterface2D *source);
      virtual bool copyToRenderTarget(TextureStorageInterfaceCube *dest, TextureStorageInterfaceCube *source);
  
      virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                             GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level);
      virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                             GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level);
  
      bool copyTexture(ID3D11ShaderResourceView *source, const gl::Rectangle &sourceArea, unsigned int sourceWidth, unsigned int sourceHeight,
                       ID3D11RenderTargetView *dest, const gl::Rectangle &destArea, unsigned int destWidth, unsigned int destHeight, GLenum destFormat);
  
      virtual bool blitRect(gl::Framebuffer *readTarget, gl::Rectangle *readRect, gl::Framebuffer *drawTarget, gl::Rectangle *drawRect,
                            bool blitRenderTarget, bool blitDepthStencil);
      virtual void readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format, GLenum type,
                              GLsizei outputPitch, bool packReverseRowOrder, GLint packAlignment, void* pixels);
  
      // RenderTarget creation
      virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth);
      virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples, bool depth);
  
      // Shader operations
      virtual ShaderExecutable *loadExecutable(const void *function, size_t length, GLenum type);
      virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const char *shaderHLSL, GLenum type);
  
      // Image operations
      virtual Image *createImage();
      virtual void generateMipmap(Image *dest, Image *source);
      virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain);
      virtual TextureStorage *createTextureStorage2D(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height);
      virtual TextureStorage *createTextureStorageCube(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size);
  
      // Buffer creation
      virtual VertexBuffer *createVertexBuffer();
      virtual IndexBuffer *createIndexBuffer();
  
      // D3D11-renderer specific methods
      ID3D11Device *getDevice() { return mDevice; }
      ID3D11DeviceContext *getDeviceContext() { return mDeviceContext; };
      IDXGIFactory *getDxgiFactory() { return mDxgiFactory; };
  
      bool getRenderTargetResource(gl::Framebuffer *framebuffer, unsigned int *subresourceIndex, ID3D11Texture2D **resource);
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Renderer11);
  
      void drawLineLoop(GLsizei count, GLenum type, const GLvoid *indices, int minIndex, gl::Buffer *elementArrayBuffer);
      void drawTriangleFan(GLsizei count, GLenum type, const GLvoid *indices, int minIndex, gl::Buffer *elementArrayBuffer);
  
      void readTextureData(ID3D11Texture2D *texture, unsigned int subResource, const gl::Rectangle &area,
                           GLenum format, GLenum type, GLsizei outputPitch, bool packReverseRowOrder,
                           GLint packAlignment, void *pixels);
  
      void maskedClear(const gl::ClearParameters &clearParams);
  
      HMODULE mD3d11Module;
      HMODULE mDxgiModule;
      HDC mDc;
  
      bool mDeviceLost;
  
      void initializeDevice();
      void releaseDeviceResources();
      int getMinorShaderModel() const;
  
      RenderStateCache mStateCache;
  
      // current render target states
      unsigned int mAppliedRenderTargetSerial;
      unsigned int mAppliedDepthbufferSerial;
      unsigned int mAppliedStencilbufferSerial;
      bool mDepthStencilInitialized;
      bool mRenderTargetDescInitialized;
      rx::RenderTarget::Desc mRenderTargetDesc;
      unsigned int mCurDepthSize;
      unsigned int mCurStencilSize;
  
      // Currently applied sampler states
      bool mForceSetVertexSamplerStates[gl::IMPLEMENTATION_MAX_VERTEX_TEXTURE_IMAGE_UNITS];
      gl::SamplerState mCurVertexSamplerStates[gl::IMPLEMENTATION_MAX_VERTEX_TEXTURE_IMAGE_UNITS];
  
      bool mForceSetPixelSamplerStates[gl::MAX_TEXTURE_IMAGE_UNITS];
      gl::SamplerState mCurPixelSamplerStates[gl::MAX_TEXTURE_IMAGE_UNITS];
  
      // Currently applied textures
      unsigned int mCurVertexTextureSerials[gl::IMPLEMENTATION_MAX_VERTEX_TEXTURE_IMAGE_UNITS];
      unsigned int mCurPixelTextureSerials[gl::MAX_TEXTURE_IMAGE_UNITS];
  
      // Currently applied blend state
      bool mForceSetBlendState;
      gl::BlendState mCurBlendState;
      gl::Color mCurBlendColor;
      unsigned int mCurSampleMask;
  
      // Currently applied rasterizer state
      bool mForceSetRasterState;
      gl::RasterizerState mCurRasterState;
  
      // Currently applied depth stencil state
      bool mForceSetDepthStencilState;
      gl::DepthStencilState mCurDepthStencilState;
      int mCurStencilRef;
      int mCurStencilBackRef;
  
      // Currently applied scissor rectangle
      bool mForceSetScissor;
      bool mScissorEnabled;
      gl::Rectangle mCurScissor;
  
      // Currently applied viewport
      bool mForceSetViewport;
      gl::Rectangle mCurViewport;
      float mCurNear;
      float mCurFar;
  
      unsigned int mAppliedIBSerial;
      unsigned int mAppliedIBOffset;
  
      unsigned int mAppliedProgramBinarySerial;
  
      dx_VertexConstants mVertexConstants;
      dx_VertexConstants mAppliedVertexConstants;
      ID3D11Buffer *mDriverConstantBufferVS;
  
      dx_PixelConstants mPixelConstants;
      dx_PixelConstants mAppliedPixelConstants;
      ID3D11Buffer *mDriverConstantBufferPS;
  
      // Vertex, index and input layouts
      VertexDataManager *mVertexDataManager;
      IndexDataManager *mIndexDataManager;
      InputLayoutCache mInputLayoutCache;
  
      StreamingIndexBufferInterface *mLineLoopIB;
      StreamingIndexBufferInterface *mTriangleFanIB;
  
      // Texture copy resources
      bool mCopyResourcesInitialized;
      ID3D11Buffer *mCopyVB;
      ID3D11SamplerState *mCopySampler;
      ID3D11InputLayout *mCopyIL;
      ID3D11VertexShader *mCopyVS;
      ID3D11PixelShader *mCopyRGBAPS;
      ID3D11PixelShader *mCopyRGBPS;
      ID3D11PixelShader *mCopyLumPS;
      ID3D11PixelShader *mCopyLumAlphaPS;
  
      // Masked clear resources
      bool mClearResourcesInitialized;
      ID3D11Buffer *mClearVB;
      ID3D11InputLayout *mClearIL;
      ID3D11VertexShader *mClearVS;
      ID3D11PixelShader *mClearPS;
      ID3D11RasterizerState *mClearScissorRS;
      ID3D11RasterizerState *mClearNoScissorRS;
  
      ID3D11Device *mDevice;
      D3D_FEATURE_LEVEL mFeatureLevel;
      ID3D11DeviceContext *mDeviceContext;
      IDXGIAdapter *mDxgiAdapter;
      DXGI_ADAPTER_DESC mAdapterDescription;
      char mDescription[128];
      IDXGIFactory *mDxgiFactory;
  };
  
  }
  #endif // LIBGLESV2_RENDERER_RENDERER11_H_
  

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