kc3-lang/angle/src/libANGLE/renderer/d3d/d3d9/StateManager9.h

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• Hash : 2e568cfb
  Author :
  Date : 2017-09-18T17:05:22
  

  Add generator for packed GL enums.
  
  For testing this also converts two unimportant GLenums, gl::BufferUsage
  and gl::CullModeFace.
  
  BUG=angleproject:2169
  
  Change-Id: If1e86a97d0fed3fd567303aca6506ec579503076
  Reviewed-on: https://chromium-review.googlesource.com/688000
  Commit-Queue: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

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• src/libANGLE/renderer/d3d/d3d9/StateManager9.h

• //
  // Copyright (c) 2015 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.
  //
  
  // StateManager9.h: Defines a class for caching D3D9 state
  
  #ifndef LIBANGLE_RENDERER_D3D9_STATEMANAGER9_H_
  #define LIBANGLE_RENDERER_D3D9_STATEMANAGER9_H_
  
  #include "libANGLE/angletypes.h"
  #include "libANGLE/ContextState.h"
  #include "libANGLE/State.h"
  #include "libANGLE/renderer/d3d/RendererD3D.h"
  
  namespace rx
  {
  
  class Renderer9;
  
  struct dx_VertexConstants9
  {
      float depthRange[4];
      float viewAdjust[4];
      float viewCoords[4];
  };
  
  struct dx_PixelConstants9
  {
      float depthRange[4];
      float viewCoords[4];
      float depthFront[4];
  };
  
  class StateManager9 final : angle::NonCopyable
  {
    public:
      StateManager9(Renderer9 *renderer9);
      ~StateManager9();
  
      void initialize();
  
      void syncState(const gl::State &state, const gl::State::DirtyBits &dirtyBits);
  
      gl::Error setBlendDepthRasterStates(const gl::State &glState, unsigned int sampleMask);
      void setScissorState(const gl::Rectangle &scissor, bool enabled);
      void setViewportState(const gl::Rectangle &viewport,
                            float zNear,
                            float zFar,
                            GLenum drawMode,
                            GLenum frontFace,
                            bool ignoreViewport);
  
      void setShaderConstants();
  
      void forceSetBlendState();
      void forceSetRasterState();
      void forceSetDepthStencilState();
      void forceSetScissorState();
      void forceSetViewportState();
      void forceSetDXUniformsState();
  
      void updateDepthSizeIfChanged(bool depthStencilInitialized, unsigned int depthSize);
      void updateStencilSizeIfChanged(bool depthStencilInitialized, unsigned int stencilSize);
  
      void setRenderTargetBounds(size_t width, size_t height);
  
      int getRenderTargetWidth() const { return mRenderTargetBounds.width; }
      int getRenderTargetHeight() const { return mRenderTargetBounds.height; }
  
      void resetDirtyBits() { mDirtyBits.reset(); }
  
    private:
      // Blend state functions
      void setBlendEnabled(bool enabled);
      void setBlendColor(const gl::BlendState &blendState, const gl::ColorF &blendColor);
      void setBlendFuncsEquations(const gl::BlendState &blendState);
      void setColorMask(const gl::Framebuffer *framebuffer,
                        bool red,
                        bool blue,
                        bool green,
                        bool alpha);
      void setSampleAlphaToCoverage(bool enabled);
      void setDither(bool dither);
      void setSampleMask(unsigned int sampleMask);
  
      // Current raster state functions
      void setCullMode(bool cullFace, gl::CullFaceMode cullMode, GLenum frontFace);
      void setDepthBias(bool polygonOffsetFill,
                        GLfloat polygonOffsetFactor,
                        GLfloat polygonOffsetUnits);
  
      // Depth stencil state functions
      void setStencilOpsFront(GLenum stencilFail,
                              GLenum stencilPassDepthFail,
                              GLenum stencilPassDepthPass,
                              bool frontFaceCCW);
      void setStencilOpsBack(GLenum stencilBackFail,
                             GLenum stencilBackPassDepthFail,
                             GLenum stencilBackPassDepthPass,
                             bool frontFaceCCW);
      void setStencilBackWriteMask(GLuint stencilBackWriteMask, bool frontFaceCCW);
      void setDepthFunc(bool depthTest, GLenum depthFunc);
      void setStencilTestEnabled(bool enabled);
      void setDepthMask(bool depthMask);
      void setStencilFuncsFront(GLenum stencilFunc,
                                GLuint stencilMask,
                                GLint stencilRef,
                                bool frontFaceCCW,
                                unsigned int maxStencil);
      void setStencilFuncsBack(GLenum stencilBackFunc,
                               GLuint stencilBackMask,
                               GLint stencilBackRef,
                               bool frontFaceCCW,
                               unsigned int maxStencil);
      void setStencilWriteMask(GLuint stencilWriteMask, bool frontFaceCCW);
  
      void setScissorEnabled(bool scissorEnabled);
      void setScissorRect(const gl::Rectangle &scissor, bool enabled);
  
      enum DirtyBitType
      {
          // Blend dirty bits
          DIRTY_BIT_BLEND_ENABLED,
          DIRTY_BIT_BLEND_COLOR,
          DIRTY_BIT_BLEND_FUNCS_EQUATIONS,
          DIRTY_BIT_SAMPLE_ALPHA_TO_COVERAGE,
          DIRTY_BIT_COLOR_MASK,
          DIRTY_BIT_DITHER,
          DIRTY_BIT_SAMPLE_MASK,
  
          // Rasterizer dirty bits
          DIRTY_BIT_CULL_MODE,
          DIRTY_BIT_DEPTH_BIAS,
  
          // Depth stencil dirty bits
          DIRTY_BIT_STENCIL_DEPTH_MASK,
          DIRTY_BIT_STENCIL_DEPTH_FUNC,
          DIRTY_BIT_STENCIL_TEST_ENABLED,
          DIRTY_BIT_STENCIL_FUNCS_FRONT,
          DIRTY_BIT_STENCIL_FUNCS_BACK,
          DIRTY_BIT_STENCIL_WRITEMASK_FRONT,
          DIRTY_BIT_STENCIL_WRITEMASK_BACK,
          DIRTY_BIT_STENCIL_OPS_FRONT,
          DIRTY_BIT_STENCIL_OPS_BACK,
  
          // Scissor dirty bits
          DIRTY_BIT_SCISSOR_ENABLED,
          DIRTY_BIT_SCISSOR_RECT,
  
          // Viewport dirty bits
          DIRTY_BIT_VIEWPORT,
  
          DIRTY_BIT_MAX
      };
  
      using DirtyBits = angle::BitSet<DIRTY_BIT_MAX>;
  
      bool mUsingZeroColorMaskWorkaround;
  
      // Currently applied blend state
      gl::BlendState mCurBlendState;
      gl::ColorF mCurBlendColor;
      unsigned int mCurSampleMask;
      DirtyBits mBlendStateDirtyBits;
  
      // Currently applied raster state
      gl::RasterizerState mCurRasterState;
      unsigned int mCurDepthSize;
      DirtyBits mRasterizerStateDirtyBits;
  
      // Currently applied depth stencil state
      gl::DepthStencilState mCurDepthStencilState;
      int mCurStencilRef;
      int mCurStencilBackRef;
      bool mCurFrontFaceCCW;
      unsigned int mCurStencilSize;
      DirtyBits mDepthStencilStateDirtyBits;
  
      // Currently applied scissor states
      gl::Rectangle mCurScissorRect;
      bool mCurScissorEnabled;
      gl::Extents mRenderTargetBounds;
      DirtyBits mScissorStateDirtyBits;
  
      // Currently applied viewport states
      bool mForceSetViewport;
      gl::Rectangle mCurViewport;
      float mCurNear;
      float mCurFar;
      float mCurDepthFront;
      bool mCurIgnoreViewport;
  
      dx_VertexConstants9 mVertexConstants;
      dx_PixelConstants9 mPixelConstants;
      bool mDxUniformsDirty;
  
      // FIXME: Unsupported by D3D9
      static const D3DRENDERSTATETYPE D3DRS_CCW_STENCILREF       = D3DRS_STENCILREF;
      static const D3DRENDERSTATETYPE D3DRS_CCW_STENCILMASK      = D3DRS_STENCILMASK;
      static const D3DRENDERSTATETYPE D3DRS_CCW_STENCILWRITEMASK = D3DRS_STENCILWRITEMASK;
  
      Renderer9 *mRenderer9;
      DirtyBits mDirtyBits;
  };
  
  }  // namespace rx
  #endif  // LIBANGLE_RENDERER_D3D9_STATEMANAGER9_H_
  

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