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

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• Author : Jamie Madill
  Date : 2017-09-20 15:44:27
  Hash : fb997ec1
  Message : Removed "name" and "used" from variable location. The used flag was redundant with the index (which used MAXUINT). The name was redundant with the stored uniform. Removing these gives a very minor performance speed up when iterating and retrieving uniform locations. BUG=angleproject:1390 Change-Id: Ieeccdff7c131e1359e754e246d3648b73aad5baf Reviewed-on: https://chromium-review.googlesource.com/659224 Commit-Queue: Jamie Madill <jmadill@chromium.org> Reviewed-by: Geoff Lang <geofflang@chromium.org>

• 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 <map>
  
  namespace gl
  {
  class Context;
  class VaryingPacking;
  }
  
  namespace sh
  {
  struct BlockMemberInfo;
  }
  
  namespace rx
  {
  
  class ProgramImpl : angle::NonCopyable
  {
    public:
      ProgramImpl(const gl::ProgramState &state) : mState(state) {}
      virtual ~ProgramImpl() {}
      virtual void destroy(const gl::Context *context) {}
  
      virtual gl::LinkResult load(const gl::Context *context,
                                  gl::InfoLog &infoLog,
                                  gl::BinaryInputStream *stream) = 0;
      virtual void save(const gl::Context *context, gl::BinaryOutputStream *stream) = 0;
      virtual void setBinaryRetrievableHint(bool retrievable) = 0;
      virtual void setSeparable(bool separable)               = 0;
  
      virtual gl::LinkResult link(const gl::Context *context,
                                  const gl::VaryingPacking &packing,
                                  gl::InfoLog &infoLog) = 0;
      virtual GLboolean validate(const gl::Caps &caps, gl::InfoLog *infoLog) = 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;
  
      // Done in the back-end to avoid having to keep a system copy of uniform data.
      virtual void getUniformfv(const gl::Context *context,
                                GLint location,
                                GLfloat *params) const = 0;
      virtual void getUniformiv(const gl::Context *context, GLint location, GLint *params) const = 0;
      virtual void getUniformuiv(const gl::Context *context,
                                 GLint location,
                                 GLuint *params) const = 0;
  
      // TODO: synchronize in syncState when dirty bits exist.
      virtual void setUniformBlockBinding(GLuint uniformBlockIndex, GLuint uniformBlockBinding) = 0;
  
      // May only be called after a successful link operation.
      // Return false for inactive blocks.
      virtual bool getUniformBlockSize(const std::string &blockName,
                                       const std::string &blockMappedName,
                                       size_t *sizeOut) const = 0;
  
      // May only be called after a successful link operation.
      // Returns false for inactive members.
      virtual bool getUniformBlockMemberInfo(const std::string &memberUniformName,
                                             const std::string &memberUniformMappedName,
                                             sh::BlockMemberInfo *memberInfoOut) const = 0;
      // CHROMIUM_path_rendering
      // Set parameters to control fragment shader input variable interpolation
      virtual void setPathFragmentInputGen(const std::string &inputName,
                                           GLenum genMode,
                                           GLint components,
                                           const GLfloat *coeffs) = 0;
  
      // Implementation-specific method for ignoring unreferenced uniforms. Some implementations may
      // perform more extensive analysis and ignore some locations that ANGLE doesn't detect as
      // unreferenced. This method is not required to be overriden by a back-end.
      virtual void markUnusedUniformLocations(std::vector<gl::VariableLocation> *uniformLocations,
                                              std::vector<gl::SamplerBinding> *samplerBindings)
      {
      }
  
    protected:
      const gl::ProgramState &mState;
  };
  
  }  // namespace rx
  
  #endif // LIBANGLE_RENDERER_PROGRAMIMPL_H_