kc3-lang/angle/src/libANGLE/renderer/gl/ProgramGL.h

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• Hash : 28e7adca
  Author :
  Date : 2022-12-09T00:00:00
  

  GL: Implement clip distance state emulation
  
  Pass the current set of enabled clip distances
  to vertex shaders via an internal uniform and
  dynamically set disabled elements to zero.
  
  Bug: angleproject:7880
  Change-Id: I709d31dc7ca0606decf49adf674460a941837683
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/4094314
  Commit-Queue: Alexey Knyazev <lexa.knyazev@gmail.com>
  Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org>
  

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• src/libANGLE/renderer/gl/ProgramGL.h

• //
  // Copyright 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.
  //
  
  // ProgramGL.h: Defines the class interface for ProgramGL.
  
  #ifndef LIBANGLE_RENDERER_GL_PROGRAMGL_H_
  #define LIBANGLE_RENDERER_GL_PROGRAMGL_H_
  
  #include <string>
  #include <vector>
  
  #include "libANGLE/renderer/ProgramImpl.h"
  
  namespace angle
  {
  struct FeaturesGL;
  }  // namespace angle
  
  namespace rx
  {
  
  class FunctionsGL;
  class RendererGL;
  class StateManagerGL;
  
  class ProgramGL : public ProgramImpl
  {
    public:
      ProgramGL(const gl::ProgramState &data,
                const FunctionsGL *functions,
                const angle::FeaturesGL &features,
                StateManagerGL *stateManager,
                const std::shared_ptr<RendererGL> &renderer);
      ~ProgramGL() override;
  
      std::unique_ptr<LinkEvent> load(const gl::Context *context,
                                      gl::BinaryInputStream *stream,
                                      gl::InfoLog &infoLog) override;
      void save(const gl::Context *context, gl::BinaryOutputStream *stream) override;
      void setBinaryRetrievableHint(bool retrievable) override;
      void setSeparable(bool separable) override;
  
      std::unique_ptr<LinkEvent> link(const gl::Context *contextImpl,
                                      const gl::ProgramLinkedResources &resources,
                                      gl::InfoLog &infoLog,
                                      const gl::ProgramMergedVaryings &mergedVaryings) override;
      GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) override;
  
      void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) override;
      void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) override;
      void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) override;
      void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) override;
      void setUniform1iv(GLint location, GLsizei count, const GLint *v) override;
      void setUniform2iv(GLint location, GLsizei count, const GLint *v) override;
      void setUniform3iv(GLint location, GLsizei count, const GLint *v) override;
      void setUniform4iv(GLint location, GLsizei count, const GLint *v) override;
      void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) override;
      void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) override;
      void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) override;
      void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) override;
      void setUniformMatrix2fv(GLint location,
                               GLsizei count,
                               GLboolean transpose,
                               const GLfloat *value) override;
      void setUniformMatrix3fv(GLint location,
                               GLsizei count,
                               GLboolean transpose,
                               const GLfloat *value) override;
      void setUniformMatrix4fv(GLint location,
                               GLsizei count,
                               GLboolean transpose,
                               const GLfloat *value) override;
      void setUniformMatrix2x3fv(GLint location,
                                 GLsizei count,
                                 GLboolean transpose,
                                 const GLfloat *value) override;
      void setUniformMatrix3x2fv(GLint location,
                                 GLsizei count,
                                 GLboolean transpose,
                                 const GLfloat *value) override;
      void setUniformMatrix2x4fv(GLint location,
                                 GLsizei count,
                                 GLboolean transpose,
                                 const GLfloat *value) override;
      void setUniformMatrix4x2fv(GLint location,
                                 GLsizei count,
                                 GLboolean transpose,
                                 const GLfloat *value) override;
      void setUniformMatrix3x4fv(GLint location,
                                 GLsizei count,
                                 GLboolean transpose,
                                 const GLfloat *value) override;
      void setUniformMatrix4x3fv(GLint location,
                                 GLsizei count,
                                 GLboolean transpose,
                                 const GLfloat *value) override;
  
      void getUniformfv(const gl::Context *context, GLint location, GLfloat *params) const override;
      void getUniformiv(const gl::Context *context, GLint location, GLint *params) const override;
      void getUniformuiv(const gl::Context *context, GLint location, GLuint *params) const override;
  
      void markUnusedUniformLocations(std::vector<gl::VariableLocation> *uniformLocations,
                                      std::vector<gl::SamplerBinding> *samplerBindings,
                                      std::vector<gl::ImageBinding> *imageBindings) override;
  
      ANGLE_INLINE GLuint getProgramID() const { return mProgramID; }
  
      void updateEnabledClipDistances(uint8_t enabledClipDistancesPacked) const;
  
      void enableSideBySideRenderingPath() const;
      void enableLayeredRenderingPath(int baseViewIndex) const;
  
      angle::Result syncState(const gl::Context *context,
                              const gl::Program::DirtyBits &dirtyBits) override;
  
    private:
      class LinkTask;
      class LinkEventNativeParallel;
      class LinkEventGL;
  
      void preLink();
      bool checkLinkStatus(gl::InfoLog &infoLog);
      void postLink();
  
      void reapplyUBOBindingsIfNeeded(const gl::Context *context);
  
      bool getUniformBlockSize(const std::string &blockName,
                               const std::string &blockMappedName,
                               size_t *sizeOut) const;
      bool getUniformBlockMemberInfo(const std::string &memberUniformName,
                                     const std::string &memberUniformMappedName,
                                     sh::BlockMemberInfo *memberInfoOut) const;
      bool getShaderStorageBlockMemberInfo(const std::string &memberName,
                                           const std::string &memberMappedName,
                                           sh::BlockMemberInfo *memberInfoOut) const;
      bool getShaderStorageBlockSize(const std::string &blockName,
                                     const std::string &blockMappedName,
                                     size_t *sizeOut) const;
      void getAtomicCounterBufferSizeMap(std::map<int, unsigned int> *sizeMapOut) const;
  
      void linkResources(const gl::ProgramLinkedResources &resources);
      void setUniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding);
  
      // Helper function, makes it simpler to type.
      GLint uniLoc(GLint glLocation) const { return mUniformRealLocationMap[glLocation]; }
  
      const FunctionsGL *mFunctions;
      const angle::FeaturesGL &mFeatures;
      StateManagerGL *mStateManager;
  
      std::vector<GLint> mUniformRealLocationMap;
      std::vector<GLuint> mUniformBlockRealLocationMap;
  
      bool mHasAppliedTransformFeedbackVaryings;
  
      GLint mClipDistanceEnabledUniformLocation;
  
      GLint mMultiviewBaseViewLayerIndexUniformLocation;
  
      GLuint mProgramID;
  
      std::shared_ptr<RendererGL> mRenderer;
  
      bool mLinkedInParallel;
  };
  
  }  // namespace rx
  
  #endif  // LIBANGLE_RENDERER_GL_PROGRAMGL_H_
  

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