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

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• Hash : 42832a65
  Author :
  Date : 2013-02-28T23:18:38
  

  Scale the vertex coordinates when the viewport has been clamped.
  
  TRAC #22649
  Signed-off-by: Geoff Lang
  Signed-off-by: Shannon Woods
  Author: Nicolas Capens
  
  git-svn-id: https://angleproject.googlecode.com/svn/branches/dx11proto@1952 736b8ea6-26fd-11df-bfd4-992fa37f6226
  

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• src/libGLESv2/renderer/Renderer.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.
  //
  
  // Renderer.h: Defines a back-end specific class that hides the details of the
  // implementation-specific renderer.
  
  #ifndef LIBGLESV2_RENDERER_RENDERER_H_
  #define LIBGLESV2_RENDERER_RENDERER_H_
  
  #include "libGLESv2/Uniform.h"
  #include "libGLESv2/angletypes.h"
  
  const int versionWindowsVista = MAKEWORD(0x00, 0x06);
  const int versionWindows7 = MAKEWORD(0x01, 0x06);
  
  // Return the version of the operating system in a format suitable for ordering
  // comparison.
  inline int getComparableOSVersion()
  {
      DWORD version = GetVersion();
      int majorVersion = LOBYTE(LOWORD(version));
      int minorVersion = HIBYTE(LOWORD(version));
      return MAKEWORD(minorVersion, majorVersion);
  }
  
  namespace egl
  {
  class Display;
  }
  
  namespace gl
  {
  class InfoLog;
  class ProgramBinary;
  class VertexAttribute;
  class Buffer;
  class Texture;
  class Framebuffer;
  }
  
  namespace rx
  {
  class TextureStorageInterface2D;
  class TextureStorageInterfaceCube;
  class VertexBuffer;
  class IndexBuffer;
  class QueryImpl;
  class FenceImpl;
  class BufferStorage;
  class Blit;
  struct TranslatedIndexData;
  class ShaderExecutable;
  class SwapChain;
  class RenderTarget;
  class Image;
  class TextureStorage;
  
  typedef void * ShaderBlob;
  typedef void (*pCompileFunc)();
  
  struct ConfigDesc
  {
      GLenum  renderTargetFormat;
      GLenum  depthStencilFormat;
      GLint   multiSample;
      bool    fastConfig;
  };
  
  struct dx_VertexConstants
  {
      float depthRange[4];
      float viewAdjust[4];
  };
  
  struct dx_PixelConstants
  {
      float depthRange[4];
      float viewCoords[4];
      float depthFront[4];
  };
  
  enum ShaderType
  {
      SHADER_VERTEX,
      SHADER_PIXEL,
      SHADER_GEOMETRY
  };
  
  class Renderer
  {
    public:
      explicit Renderer(egl::Display *display);
      virtual ~Renderer();
  
      virtual EGLint initialize() = 0;
      virtual bool resetDevice() = 0;
  
      virtual int generateConfigs(ConfigDesc **configDescList) = 0;
      virtual void deleteConfigs(ConfigDesc *configDescList) = 0;
  
      virtual void sync(bool block) = 0;
  
      virtual SwapChain *createSwapChain(HWND window, HANDLE shareHandle, GLenum backBufferFormat, GLenum depthBufferFormat) = 0;
  
      virtual void setSamplerState(gl::SamplerType type, int index, const gl::SamplerState &sampler) = 0;
      virtual void setTexture(gl::SamplerType type, int index, gl::Texture *texture) = 0;
  
      virtual void setRasterizerState(const gl::RasterizerState &rasterState) = 0;
      virtual void setBlendState(const gl::BlendState &blendState, const gl::Color &blendColor,
                                 unsigned int sampleMask) = 0;
      virtual void setDepthStencilState(const gl::DepthStencilState &depthStencilState, int stencilRef,
                                        int stencilBackRef, bool frontFaceCCW) = 0;
  
      virtual void setScissorRectangle(const gl::Rectangle &scissor, bool enabled) = 0;
      virtual bool setViewport(const gl::Rectangle &viewport, float zNear, float zFar, GLenum drawMode, GLenum frontFace,
                               bool ignoreViewport) = 0;
  
      virtual bool applyRenderTarget(gl::Framebuffer *frameBuffer) = 0;
      virtual void applyShaders(gl::ProgramBinary *programBinary) = 0;
      virtual void applyUniforms(gl::ProgramBinary *programBinary, gl::UniformArray *uniformArray) = 0;
      virtual bool applyPrimitiveType(GLenum primitiveType, GLsizei elementCount) = 0;
      virtual GLenum applyVertexBuffer(gl::ProgramBinary *programBinary, gl::VertexAttribute vertexAttributes[], GLint first, GLsizei count, GLsizei instances) = 0;
      virtual GLenum applyIndexBuffer(const GLvoid *indices, gl::Buffer *elementArrayBuffer, GLsizei count, GLenum mode, GLenum type, TranslatedIndexData *indexInfo) = 0;
  
      virtual void drawArrays(GLenum mode, GLsizei count, GLsizei instances) = 0;
      virtual void drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices, gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0;
  
      virtual void clear(const gl::ClearParameters &clearParams, gl::Framebuffer *frameBuffer) = 0;
  
      virtual void markAllStateDirty() = 0;
  
      // lost device
      virtual void notifyDeviceLost() = 0;
      virtual bool isDeviceLost() = 0;
      virtual bool testDeviceLost(bool notify) = 0;
      virtual bool testDeviceResettable() = 0;
  
      // Renderer capabilities
      virtual DWORD getAdapterVendor() const = 0;
      virtual std::string getRendererDescription() const = 0;
      virtual GUID getAdapterIdentifier() const = 0;
  
      virtual bool getBGRATextureSupport() const = 0;
      virtual bool getDXT1TextureSupport() = 0;
      virtual bool getDXT3TextureSupport() = 0;
      virtual bool getDXT5TextureSupport() = 0;
      virtual bool getEventQuerySupport() = 0;
      virtual bool getFloat32TextureSupport(bool *filtering, bool *renderable) = 0;
      virtual bool getFloat16TextureSupport(bool *filtering, bool *renderable) = 0;
      virtual bool getLuminanceTextureSupport() = 0;
      virtual bool getLuminanceAlphaTextureSupport() = 0;
      bool getVertexTextureSupport() const { return getMaxVertexTextureImageUnits() > 0; }
      virtual unsigned int getMaxVertexTextureImageUnits() const = 0;
      virtual unsigned int getMaxCombinedTextureImageUnits() const = 0;
      virtual unsigned int getReservedVertexUniformVectors() const = 0;
      virtual unsigned int getReservedFragmentUniformVectors() const = 0;
      virtual unsigned int getMaxVertexUniformVectors() const = 0;
      virtual unsigned int getMaxFragmentUniformVectors() const = 0;
      virtual unsigned int getMaxVaryingVectors() const = 0;
      virtual bool getNonPower2TextureSupport() const = 0;
      virtual bool getDepthTextureSupport() const = 0;
      virtual bool getOcclusionQuerySupport() const = 0;
      virtual bool getInstancingSupport() const = 0;
      virtual bool getTextureFilterAnisotropySupport() const = 0;
      virtual float getTextureMaxAnisotropy() const = 0;
      virtual bool getShareHandleSupport() const = 0;
      virtual bool getDerivativeInstructionSupport() const = 0;
      virtual bool getPostSubBufferSupport() const = 0;
  
      virtual int getMajorShaderModel() const = 0;
      virtual float getMaxPointSize() const = 0;
      virtual int getMaxViewportDimension() const = 0;
      virtual int getMaxTextureWidth() const = 0;
      virtual int getMaxTextureHeight() const = 0;
      virtual bool get32BitIndexSupport() const = 0;
      virtual int getMinSwapInterval() const = 0;
      virtual int getMaxSwapInterval() const = 0;
  
      virtual GLsizei getMaxSupportedSamples() const = 0;
  
      // Pixel operations
      virtual bool copyToRenderTarget(TextureStorageInterface2D *dest, TextureStorageInterface2D *source) = 0;
      virtual bool copyToRenderTarget(TextureStorageInterfaceCube *dest, TextureStorageInterfaceCube *source) = 0;
  
      virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                             GLint xoffset, GLint yoffset, TextureStorageInterface2D *storage, GLint level) = 0;
      virtual bool copyImage(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                             GLint xoffset, GLint yoffset, TextureStorageInterfaceCube *storage, GLenum target, GLint level) = 0;
  
      virtual bool blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &readRect, gl::Framebuffer *drawTarget, const gl::Rectangle &drawRect,
                            bool blitRenderTarget, bool blitDepthStencil) = 0;
      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) = 0;
  
      // RenderTarget creation
      virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth) = 0;
      virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples, bool depth) = 0;
  
      // Shader operations
      virtual ShaderExecutable *loadExecutable(const void *function, size_t length, rx::ShaderType type) = 0;
      virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const char *shaderHLSL, rx::ShaderType type) = 0;
  
      // Image operations
      virtual Image *createImage() = 0;
      virtual void generateMipmap(Image *dest, Image *source) = 0;
      virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0;
      virtual TextureStorage *createTextureStorage2D(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, GLsizei width, GLsizei height) = 0;
      virtual TextureStorage *createTextureStorageCube(int levels, GLenum internalformat, GLenum usage, bool forceRenderable, int size) = 0;
  
      // Buffer creation
      virtual VertexBuffer *createVertexBuffer() = 0;
      virtual IndexBuffer *createIndexBuffer() = 0;
      virtual BufferStorage *createBufferStorage() = 0;
  
      // Query and Fence creation
      virtual QueryImpl *createQuery(GLenum type) = 0;
      virtual FenceImpl *createFence() = 0;
  
    protected:
      bool initializeCompiler();
      ShaderBlob *compileToBinary(gl::InfoLog &infoLog, const char *hlsl, const char *profile, UINT optimizationFlags, bool alternateFlags);
  
      egl::Display *mDisplay;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Renderer);
  
      HMODULE mD3dCompilerModule;
      pCompileFunc mD3DCompileFunc;
  };
  
  }
  #endif // LIBGLESV2_RENDERER_RENDERER_H_
  

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