kc3-lang/angle/src/libANGLE/Uniform.h

• Show log

  Commit

• Hash : baf5d945
  Author :
  Date : 2017-08-28T20:45:48
  

  ES31: Add UNIFORM support for ProgramInterface
  
  Add program resource properties for uniform.
  
  BUG=angleproject:1920
  TEST=angle_end2end_tests:ProgramInterfaceTest*
  
  Change-Id: Ia5cf6219db43b8b1f73efbb3565d21c86e9d3ec0
  Reviewed-on: https://chromium-review.googlesource.com/638050
  Commit-Queue: Jamie Madill <jmadill@chromium.org>
  Reviewed-by: Jamie Madill <jmadill@chromium.org>
  

Download

• src/libANGLE/Uniform.h

• //
  // Copyright (c) 2010-2013 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.
  //
  
  #ifndef LIBANGLE_UNIFORM_H_
  #define LIBANGLE_UNIFORM_H_
  
  #include <string>
  #include <vector>
  
  #include "angle_gl.h"
  #include "common/debug.h"
  #include "common/MemoryBuffer.h"
  #include "compiler/translator/blocklayout.h"
  #include "libANGLE/angletypes.h"
  
  namespace gl
  {
  struct UniformTypeInfo;
  
  template <typename T>
  void MarkResourceStaticUse(T *resource, GLenum shaderType, bool used);
  
  // Helper struct representing a single shader uniform
  struct LinkedUniform : public sh::Uniform
  {
      LinkedUniform();
      LinkedUniform(GLenum type,
                    GLenum precision,
                    const std::string &name,
                    unsigned int arraySize,
                    const int binding,
                    const int offset,
                    const int location,
                    const int bufferIndex,
                    const sh::BlockMemberInfo &blockInfo);
      LinkedUniform(const sh::Uniform &uniform);
      LinkedUniform(const LinkedUniform &uniform);
      LinkedUniform &operator=(const LinkedUniform &uniform);
      ~LinkedUniform();
  
      bool isSampler() const;
      bool isImage() const;
      bool isAtomicCounter() const;
      bool isInDefaultBlock() const;
      bool isField() const;
      size_t getElementSize() const;
      size_t getElementComponents() const;
  
      const UniformTypeInfo *typeInfo;
  
      // Identifies the containing buffer backed resource -- interface block or atomic counter buffer.
      int bufferIndex;
      sh::BlockMemberInfo blockInfo;
  
      bool vertexStaticUse;
      bool fragmentStaticUse;
      bool computeStaticUse;
  };
  
  // Parent struct for atomic counter, uniform block, and shader storage block buffer, which all
  // contain a group of shader variables, and have a GL buffer backed.
  struct ShaderVariableBuffer
  {
      ShaderVariableBuffer();
      virtual ~ShaderVariableBuffer(){};
      int numActiveVariables() const { return static_cast<int>(memberIndexes.size()); }
  
      int binding;
      unsigned int dataSize;
      std::vector<unsigned int> memberIndexes;
  
      bool vertexStaticUse;
      bool fragmentStaticUse;
      bool computeStaticUse;
  };
  
  using AtomicCounterBuffer = ShaderVariableBuffer;
  
  // Helper struct representing a single shader interface block
  struct InterfaceBlock : public ShaderVariableBuffer
  {
      InterfaceBlock();
      InterfaceBlock(const std::string &nameIn,
                     const std::string &mappedNameIn,
                     bool isArrayIn,
                     unsigned int arrayElementIn,
                     int bindingIn);
  
      std::string nameWithArrayIndex() const;
      std::string mappedNameWithArrayIndex() const;
  
      std::string name;
      std::string mappedName;
      bool isArray;
      unsigned int arrayElement;
  };
  
  }
  
  #endif   // LIBANGLE_UNIFORM_H_
  

Download