kc3-lang/angle/src/libANGLE/renderer/ProgramImpl.h

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• Hash : 811b6352
  Author :
  Date : 2015-02-09T10:17:09
  

  Add a script to generate a new Renderer.
  
  Also refactor our current Impl headers slightly to facilitate
  parsing by the generation script.
  
  BUG=angle:905
  
  Change-Id: Ib86cff71d18e7f911cf526b27b8a82757bacd738
  Reviewed-on: https://chromium-review.googlesource.com/245497
  Tested-by: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/libANGLE/renderer/ProgramImpl.h

• //
  // Copyright 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.
  //
  
  // ProgramImpl.h: Defines the abstract rx::ProgramImpl class.
  
  #ifndef LIBANGLE_RENDERER_PROGRAMIMPL_H_
  #define LIBANGLE_RENDERER_PROGRAMIMPL_H_
  
  #include "common/angleutils.h"
  #include "libANGLE/BinaryStream.h"
  #include "libANGLE/Constants.h"
  #include "libANGLE/Program.h"
  #include "libANGLE/Shader.h"
  #include "libANGLE/renderer/Renderer.h"
  
  #include <map>
  
  namespace rx
  {
  
  struct LinkResult
  {
      bool linkSuccess;
      gl::Error error;
      LinkResult(bool linkSuccess, const gl::Error &error);
  };
  
  class ProgramImpl
  {
    public:
      typedef int SemanticIndexArray[gl::MAX_VERTEX_ATTRIBS];
  
      ProgramImpl() { }
      virtual ~ProgramImpl();
  
      virtual bool usesPointSize() const = 0;
      virtual int getShaderVersion() const = 0;
      virtual GLenum getTransformFeedbackBufferMode() const = 0;
  
      virtual GLenum getBinaryFormat() = 0;
      virtual LinkResult load(gl::InfoLog &infoLog, gl::BinaryInputStream *stream) = 0;
      virtual gl::Error save(gl::BinaryOutputStream *stream) = 0;
  
      virtual LinkResult link(const gl::Data &data, gl::InfoLog &infoLog,
                              gl::Shader *fragmentShader, gl::Shader *vertexShader,
                              const std::vector<std::string> &transformFeedbackVaryings,
                              GLenum transformFeedbackBufferMode,
                              int *registers, std::vector<gl::LinkedVarying> *linkedVaryings,
                              std::map<int, gl::VariableLocation> *outputVariables) = 0;
  
      virtual void setUniform1fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform2fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform3fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform4fv(GLint location, GLsizei count, const GLfloat *v) = 0;
      virtual void setUniform1iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform2iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform3iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform4iv(GLint location, GLsizei count, const GLint *v) = 0;
      virtual void setUniform1uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniform2uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniform3uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniform4uiv(GLint location, GLsizei count, const GLuint *v) = 0;
      virtual void setUniformMatrix2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix2x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix3x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix2x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix4x2fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix3x4fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
      virtual void setUniformMatrix4x3fv(GLint location, GLsizei count, GLboolean transpose, const GLfloat *value) = 0;
  
      virtual void getUniformfv(GLint location, GLfloat *params) = 0;
      virtual void getUniformiv(GLint location, GLint *params) = 0;
      virtual void getUniformuiv(GLint location, GLuint *params) = 0;
  
      // TODO: The following functions are possibly only applicable to D3D backends. The should be carefully evaluated to
      // determine if they can be removed from this interface.
      virtual GLint getSamplerMapping(gl::SamplerType type, unsigned int samplerIndex, const gl::Caps &caps) const = 0;
      virtual GLenum getSamplerTextureType(gl::SamplerType type, unsigned int samplerIndex) const = 0;
      virtual GLint getUsedSamplerRange(gl::SamplerType type) const = 0;
      virtual void updateSamplerMapping() = 0;
      virtual bool validateSamplers(gl::InfoLog *infoLog, const gl::Caps &caps) = 0;
  
      virtual LinkResult compileProgramExecutables(gl::InfoLog &infoLog, gl::Shader *fragmentShader, gl::Shader *vertexShader,
                                                   int registers) = 0;
  
      virtual bool linkUniforms(gl::InfoLog &infoLog, const gl::Shader &vertexShader, const gl::Shader &fragmentShader,
                                const gl::Caps &caps) = 0;
      virtual bool defineUniformBlock(gl::InfoLog &infoLog, const gl::Shader &shader, const sh::InterfaceBlock &interfaceBlock,
                                      const gl::Caps &caps) = 0;
  
      virtual gl::Error applyUniforms() = 0;
      virtual gl::Error applyUniformBuffers(const std::vector<gl::Buffer*> boundBuffers, const gl::Caps &caps) = 0;
      virtual bool assignUniformBlockRegister(gl::InfoLog &infoLog, gl::UniformBlock *uniformBlock, GLenum shader,
                                              unsigned int registerIndex, const gl::Caps &caps) = 0;
  
      const std::vector<gl::LinkedUniform*> &getUniforms() const { return mUniforms; }
      const std::vector<gl::VariableLocation> &getUniformIndices() const { return mUniformIndex; }
      const std::vector<gl::UniformBlock*> &getUniformBlocks() const { return mUniformBlocks; }
      const std::vector<gl::LinkedVarying> &getTransformFeedbackLinkedVaryings() const { return mTransformFeedbackLinkedVaryings; }
      const sh::Attribute *getShaderAttributes() const { return mShaderAttributes; }
      const SemanticIndexArray &getSemanticIndexes() const { return mSemanticIndex; }
  
      std::vector<gl::LinkedUniform*> &getUniforms() { return mUniforms; }
      std::vector<gl::VariableLocation> &getUniformIndices() { return mUniformIndex; }
      std::vector<gl::UniformBlock*> &getUniformBlocks() { return mUniformBlocks; }
      std::vector<gl::LinkedVarying> &getTransformFeedbackLinkedVaryings() { return mTransformFeedbackLinkedVaryings; }
      sh::Attribute *getShaderAttributes() { return mShaderAttributes; }
      SemanticIndexArray &getSemanticIndexes() { return mSemanticIndex; }
  
      gl::LinkedUniform *getUniformByLocation(GLint location) const;
      gl::LinkedUniform *getUniformByName(const std::string &name) const;
      gl::UniformBlock *getUniformBlockByIndex(GLuint blockIndex) const;
  
      GLint getUniformLocation(std::string name);
      GLuint getUniformIndex(std::string name);
      GLuint getUniformBlockIndex(std::string name) const;
  
      virtual void reset();
  
    protected:
      DISALLOW_COPY_AND_ASSIGN(ProgramImpl);
  
      std::vector<gl::LinkedUniform*> mUniforms;
      std::vector<gl::VariableLocation> mUniformIndex;
      std::vector<gl::UniformBlock*> mUniformBlocks;
      std::vector<gl::LinkedVarying> mTransformFeedbackLinkedVaryings;
  
      SemanticIndexArray mSemanticIndex;
      sh::Attribute mShaderAttributes[gl::MAX_VERTEX_ATTRIBS];
  };
  
  }
  
  #endif // LIBANGLE_RENDERER_PROGRAMIMPL_H_
  

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