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

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• Author : jchen10
  Date : 2017-08-28 20:45:48
  Hash : baf5d945
  Message : 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>

• src/libANGLE/Uniform.cpp

• //
  // 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.
  //
  
  #include "libANGLE/Uniform.h"
  
  #include "common/utilities.h"
  
  #include <cstring>
  
  namespace gl
  {
  
  template <typename T>
  void MarkResourceStaticUse(T *resource, GLenum shaderType, bool used)
  {
      switch (shaderType)
      {
          case GL_VERTEX_SHADER:
              resource->vertexStaticUse = used;
              break;
  
          case GL_FRAGMENT_SHADER:
              resource->fragmentStaticUse = used;
              break;
  
          case GL_COMPUTE_SHADER:
              resource->computeStaticUse = used;
              break;
  
          default:
              UNREACHABLE();
      }
  }
  
  template void MarkResourceStaticUse(LinkedUniform *resource, GLenum shaderType, bool used);
  template void MarkResourceStaticUse(InterfaceBlock *resource, GLenum shaderType, bool used);
  
  LinkedUniform::LinkedUniform()
      : typeInfo(nullptr),
        bufferIndex(-1),
        blockInfo(sh::BlockMemberInfo::getDefaultBlockInfo()),
        vertexStaticUse(false),
        fragmentStaticUse(false),
        computeStaticUse(false)
  {
  }
  
  LinkedUniform::LinkedUniform(GLenum typeIn,
                               GLenum precisionIn,
                               const std::string &nameIn,
                               unsigned int arraySizeIn,
                               const int bindingIn,
                               const int offsetIn,
                               const int locationIn,
                               const int bufferIndexIn,
                               const sh::BlockMemberInfo &blockInfoIn)
      : typeInfo(&GetUniformTypeInfo(typeIn)),
        bufferIndex(bufferIndexIn),
        blockInfo(blockInfoIn),
        vertexStaticUse(false),
        fragmentStaticUse(false),
        computeStaticUse(false)
  {
      type      = typeIn;
      precision = precisionIn;
      name      = nameIn;
      arraySize = arraySizeIn;
      binding   = bindingIn;
      offset    = offsetIn;
      location  = locationIn;
  }
  
  LinkedUniform::LinkedUniform(const sh::Uniform &uniform)
      : sh::Uniform(uniform),
        typeInfo(&GetUniformTypeInfo(type)),
        bufferIndex(-1),
        blockInfo(sh::BlockMemberInfo::getDefaultBlockInfo()),
        vertexStaticUse(false),
        fragmentStaticUse(false),
        computeStaticUse(false)
  {
  }
  
  LinkedUniform::LinkedUniform(const LinkedUniform &uniform)
      : sh::Uniform(uniform),
        typeInfo(uniform.typeInfo),
        bufferIndex(uniform.bufferIndex),
        blockInfo(uniform.blockInfo),
        vertexStaticUse(uniform.vertexStaticUse),
        fragmentStaticUse(uniform.fragmentStaticUse),
        computeStaticUse(uniform.computeStaticUse)
  
  {
  }
  
  LinkedUniform &LinkedUniform::operator=(const LinkedUniform &uniform)
  {
      sh::Uniform::operator=(uniform);
      typeInfo             = uniform.typeInfo;
      bufferIndex          = uniform.bufferIndex;
      blockInfo            = uniform.blockInfo;
      vertexStaticUse      = uniform.vertexStaticUse;
      fragmentStaticUse    = uniform.fragmentStaticUse;
      computeStaticUse     = uniform.computeStaticUse;
  
      return *this;
  }
  
  LinkedUniform::~LinkedUniform()
  {
  }
  
  bool LinkedUniform::isInDefaultBlock() const
  {
      return bufferIndex == -1;
  }
  
  bool LinkedUniform::isSampler() const
  {
      return typeInfo->isSampler;
  }
  
  bool LinkedUniform::isImage() const
  {
      return typeInfo->isImageType;
  }
  
  bool LinkedUniform::isAtomicCounter() const
  {
      return IsAtomicCounterType(type);
  }
  
  bool LinkedUniform::isField() const
  {
      return name.find('.') != std::string::npos;
  }
  
  size_t LinkedUniform::getElementSize() const
  {
      return typeInfo->externalSize;
  }
  
  size_t LinkedUniform::getElementComponents() const
  {
      return typeInfo->componentCount;
  }
  
  ShaderVariableBuffer::ShaderVariableBuffer()
      : binding(0),
        dataSize(0),
        vertexStaticUse(false),
        fragmentStaticUse(false),
        computeStaticUse(false)
  {
  }
  
  InterfaceBlock::InterfaceBlock() : isArray(false), arrayElement(0)
  {
  }
  
  InterfaceBlock::InterfaceBlock(const std::string &nameIn,
                                 const std::string &mappedNameIn,
                                 bool isArrayIn,
                                 unsigned int arrayElementIn,
                                 int bindingIn)
      : name(nameIn), mappedName(mappedNameIn), isArray(isArrayIn), arrayElement(arrayElementIn)
  {
      binding = bindingIn;
  }
  
  std::string InterfaceBlock::nameWithArrayIndex() const
  {
      std::stringstream fullNameStr;
      fullNameStr << name;
      if (isArray)
      {
          fullNameStr << "[" << arrayElement << "]";
      }
  
      return fullNameStr.str();
  }
  
  std::string InterfaceBlock::mappedNameWithArrayIndex() const
  {
      std::stringstream fullNameStr;
      fullNameStr << mappedName;
      if (isArray)
      {
          fullNameStr << "[" << arrayElement << "]";
      }
  
      return fullNameStr.str();
  }
  }