kc3-lang/angle/src/compiler/translator/OutputVulkanGLSL.cpp

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• Author : Olli Etuaho
  Date : 2017-07-13 16:07:26
  Hash : a5e693af
  Message : Make unique id counter a member of TSymbolTable This makes unique id counting thread-safe. BUG=angleproject:624 TEST=angle_unittests Change-Id: Ie0f2c7e574470b39750d37d2181c790bc874b275 Reviewed-on: https://chromium-review.googlesource.com/570419 Commit-Queue: Olli Etuaho <oetuaho@nvidia.com> Reviewed-by: Jamie Madill <jmadill@chromium.org>

• src/compiler/translator/OutputVulkanGLSL.cpp

• //
  // Copyright (c) 2016 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.
  //
  // OutputVulkanGLSL:
  //   Code that outputs shaders that fit GL_KHR_vulkan_glsl.
  //   The shaders are then fed into glslang to spit out SPIR-V (libANGLE-side).
  //   See: https://www.khronos.org/registry/vulkan/specs/misc/GL_KHR_vulkan_glsl.txt
  //
  
  #include "compiler/translator/OutputVulkanGLSL.h"
  
  namespace sh
  {
  
  TOutputVulkanGLSL::TOutputVulkanGLSL(TInfoSinkBase &objSink,
                                       ShArrayIndexClampingStrategy clampingStrategy,
                                       ShHashFunction64 hashFunction,
                                       NameMap &nameMap,
                                       TSymbolTable *symbolTable,
                                       sh::GLenum shaderType,
                                       int shaderVersion,
                                       ShShaderOutput output,
                                       ShCompileOptions compileOptions)
      : TOutputGLSLBase(objSink,
                        clampingStrategy,
                        hashFunction,
                        nameMap,
                        symbolTable,
                        shaderType,
                        shaderVersion,
                        output,
                        compileOptions)
  {
  }
  
  // TODO(jmadill): This is not complete.
  void TOutputVulkanGLSL::writeLayoutQualifier(const TType &type)
  {
      TInfoSinkBase &out                      = objSink();
      const TLayoutQualifier &layoutQualifier = type.getLayoutQualifier();
      out << "layout(";
  
      if (type.getQualifier() == EvqAttribute || type.getQualifier() == EvqFragmentOut ||
          type.getQualifier() == EvqVertexIn)
      {
          // TODO(jmadill): Multiple output locations.
          out << "location = "
              << "0";
      }
  
      if (IsImage(type.getBasicType()) && layoutQualifier.imageInternalFormat != EiifUnspecified)
      {
          ASSERT(type.getQualifier() == EvqTemporary || type.getQualifier() == EvqUniform);
          out << getImageInternalFormatString(layoutQualifier.imageInternalFormat);
      }
  
      out << ") ";
  }
  
  bool TOutputVulkanGLSL::writeVariablePrecision(TPrecision precision)
  {
      if (precision == EbpUndefined)
          return false;
  
      TInfoSinkBase &out = objSink();
      out << getPrecisionString(precision);
      return true;
  }
  
  void TOutputVulkanGLSL::visitSymbol(TIntermSymbol *node)
  {
      TInfoSinkBase &out = objSink();
  
      const TString &symbol = node->getSymbol();
      if (symbol == "gl_FragColor")
      {
          out << "webgl_FragColor";
      }
      else if (symbol == "gl_FragData")
      {
          out << "webgl_FragData";
      }
      else
      {
          TOutputGLSLBase::visitSymbol(node);
      }
  }
  
  }  // namespace sh