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

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• Hash : ae5122c4
  Author :
  Date : 2014-08-27T14:08:43
  

  Updated the PixelTransfer class to use Error objects.
  
  BUG=angle:520
  
  Change-Id: I7e21acbfd5726607ea62c8fcf64d76bbf5877860
  Reviewed-on: https://chromium-review.googlesource.com/216643
  Reviewed-by: Shannon Woods <shannonwoods@chromium.org>
  Tested-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libGLESv2/renderer/Renderer.h

• //
  // Copyright (c) 2012-2014 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.
  //
  
  // 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"
  #include "libGLESv2/Caps.h"
  #include "common/NativeWindow.h"
  #include "libGLESv2/Error.h"
  #include "libGLESv2/renderer/Workarounds.h"
  
  #include <cstdint>
  
  #include <EGL/egl.h>
  
  #if !defined(ANGLE_COMPILE_OPTIMIZATION_LEVEL)
  // WARNING: D3DCOMPILE_OPTIMIZATION_LEVEL3 may lead to a DX9 shader compiler hang.
  // It should only be used selectively to work around specific bugs.
  #define ANGLE_COMPILE_OPTIMIZATION_LEVEL D3DCOMPILE_OPTIMIZATION_LEVEL1
  #endif
  
  namespace egl
  {
  class Display;
  }
  
  namespace gl
  {
  class InfoLog;
  class ProgramBinary;
  struct LinkedVarying;
  struct VertexAttribute;
  class Buffer;
  class Texture;
  class Framebuffer;
  struct VertexAttribCurrentValueData;
  }
  
  namespace rx
  {
  class TextureStorage;
  class VertexBuffer;
  class IndexBuffer;
  class QueryImpl;
  class FenceImpl;
  class BufferImpl;
  class VertexArrayImpl;
  class BufferStorage;
  struct TranslatedIndexData;
  class ShaderImpl;
  class ProgramImpl;
  class ShaderExecutable;
  class SwapChain;
  class RenderTarget;
  class Image;
  class TextureStorage;
  class UniformStorage;
  class TextureImpl;
  class TransformFeedbackImpl;
  
  struct ConfigDesc
  {
      GLenum  renderTargetFormat;
      GLenum  depthStencilFormat;
      GLint   multiSample;
      bool    fastConfig;
      bool    es3Capable;
  };
  
  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(rx::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, 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(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(gl::Framebuffer *frameBuffer) = 0;
      virtual gl::Error applyShaders(gl::ProgramBinary *programBinary, 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) = 0;
      virtual gl::Error applyVertexBuffer(gl::ProgramBinary *programBinary, const gl::VertexAttribute vertexAttributes[], const gl::VertexAttribCurrentValueData currentValues[],
                                          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(gl::Buffer *transformFeedbackBuffers[], GLintptr offsets[]) = 0;
  
      virtual gl::Error drawArrays(GLenum mode, GLsizei count, GLsizei instances, bool transformFeedbackActive) = 0;
      virtual gl::Error drawElements(GLenum mode, GLsizei count, GLenum type, const GLvoid *indices,
                                     gl::Buffer *elementArrayBuffer, const TranslatedIndexData &indexInfo, GLsizei instances) = 0;
  
      virtual gl::Error 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 because it is used by egl::Display, do not override)
      virtual const gl::Caps &getRendererCaps() const;
      virtual const gl::TextureCapsMap &getRendererTextureCaps() const;
      virtual const gl::Extensions &getRendererExtensions() const;
  
      virtual DWORD getAdapterVendor() const = 0;
      virtual std::string getRendererDescription() const = 0;
      virtual GUID getAdapterIdentifier() const = 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;
      virtual int getMinSwapInterval() const = 0;
      virtual int getMaxSwapInterval() const = 0;
  
      // Pixel operations
      virtual gl::Error copyToRenderTarget2D(TextureStorage *dest, TextureStorage *source) = 0;
      virtual gl::Error copyToRenderTargetCube(TextureStorage *dest, TextureStorage *source) = 0;
      virtual gl::Error copyToRenderTarget3D(TextureStorage *dest, TextureStorage *source) = 0;
      virtual gl::Error copyToRenderTarget2DArray(TextureStorage *dest, TextureStorage *source) = 0;
  
      virtual gl::Error copyImage2D(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                    GLint xoffset, GLint yoffset, TextureStorage *storage, GLint level) = 0;
      virtual gl::Error copyImageCube(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                      GLint xoffset, GLint yoffset, TextureStorage *storage, GLenum target, GLint level) = 0;
      virtual gl::Error copyImage3D(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                    GLint xoffset, GLint yoffset, GLint zOffset, TextureStorage *storage, GLint level) = 0;
      virtual gl::Error copyImage2DArray(gl::Framebuffer *framebuffer, const gl::Rectangle &sourceRect, GLenum destFormat,
                                         GLint xoffset, GLint yoffset, GLint zOffset, TextureStorage *storage, GLint level) = 0;
  
      virtual gl::Error blitRect(gl::Framebuffer *readTarget, const gl::Rectangle &readRect, gl::Framebuffer *drawTarget, const gl::Rectangle &drawRect,
                                 const gl::Rectangle *scissor, bool blitRenderTarget, bool blitDepth, bool blitStencil, GLenum filter) = 0;
  
      virtual gl::Error readPixels(gl::Framebuffer *framebuffer, GLint x, GLint y, GLsizei width, GLsizei height, GLenum format,
                                   GLenum type, GLuint outputPitch, const gl::PixelPackState &pack, uint8_t *pixels) = 0;
  
      // RenderTarget creation
      virtual RenderTarget *createRenderTarget(SwapChain *swapChain, bool depth) = 0;
      virtual RenderTarget *createRenderTarget(int width, int height, GLenum format, GLsizei samples) = 0;
  
      // Shader creation
      virtual ShaderImpl *createShader(GLenum type) = 0;
      virtual ProgramImpl *createProgram() = 0;
  
      // Shader operations
      virtual void releaseShaderCompiler() = 0;
      virtual ShaderExecutable *loadExecutable(const void *function, size_t length, rx::ShaderType type,
                                               const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                               bool separatedOutputBuffers) = 0;
      virtual ShaderExecutable *compileToExecutable(gl::InfoLog &infoLog, const std::string &shaderHLSL, rx::ShaderType type,
                                                    const std::vector<gl::LinkedVarying> &transformFeedbackVaryings,
                                                    bool separatedOutputBuffers, D3DWorkaroundType workaround) = 0;
      virtual UniformStorage *createUniformStorage(size_t storageSize) = 0;
  
      // Image operations
      virtual Image *createImage() = 0;
      virtual void generateMipmap(Image *dest, Image *source) = 0;
      virtual TextureStorage *createTextureStorage2D(SwapChain *swapChain) = 0;
      virtual TextureStorage *createTextureStorage2D(GLenum internalformat, bool renderTarget, GLsizei width, GLsizei height, int levels) = 0;
      virtual TextureStorage *createTextureStorageCube(GLenum internalformat, bool renderTarget, int size, int levels) = 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;
  
      // Texture creation
      virtual TextureImpl *createTexture(GLenum target) = 0;
  
      // Buffer creation
      virtual BufferImpl *createBuffer() = 0;
      virtual VertexBuffer *createVertexBuffer() = 0;
      virtual IndexBuffer *createIndexBuffer() = 0;
  
      // Vertex Array creation
      virtual VertexArrayImpl *createVertexArray() = 0;
  
      // Query and Fence creation
      virtual QueryImpl *createQuery(GLenum type) = 0;
      virtual FenceImpl *createFence() = 0;
  
      // Transform Feedback creation
      virtual TransformFeedbackImpl* createTransformFeedback() = 0;
  
      // Current GLES client version
      void setCurrentClientVersion(int clientVersion) { mCurrentClientVersion = clientVersion; }
      int getCurrentClientVersion() const { return mCurrentClientVersion; }
  
      // 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, RenderTarget *destRenderTarget,
                                                GLenum destinationFormat, GLenum sourcePixelsType, const gl::Box &destArea) = 0;
  
      virtual bool getLUID(LUID *adapterLuid) const = 0;
      virtual rx::VertexConversionType getVertexConversionType(const gl::VertexFormat &vertexFormat) const = 0;
      virtual GLenum getVertexComponentType(const gl::VertexFormat &vertexFormat) const = 0;
  
      const Workarounds &getWorkarounds() const;
  
    protected:
      egl::Display *mDisplay;
  
    private:
      DISALLOW_COPY_AND_ASSIGN(Renderer);
  
      virtual void generateCaps(gl::Caps *outCaps, gl::TextureCapsMap* outTextureCaps, gl::Extensions *outExtensions) const = 0;
      virtual Workarounds generateWorkarounds() const = 0;
  
      mutable bool mCapsInitialized;
      mutable gl::Caps mCaps;
      mutable gl::TextureCapsMap mTextureCaps;
      mutable gl::Extensions mExtensions;
  
      mutable bool mWorkaroundsInitialized;
      mutable Workarounds mWorkarounds;
  
      int mCurrentClientVersion;
  };
  
  }
  #endif // LIBGLESV2_RENDERER_RENDERER_H_
  

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