kc3-lang/angle/src/compiler/translator/CollectVariables.h

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• Hash : d27f5c8d
  Author :
  Date : 2017-08-23T09:38:08
  

  ES31: Implement GL_OES_geometry_shader built-ins in GLSL compiler
  
  This patch intends to implement all built-in constants, variables and
  functions defined in OpenGL ES 3.1 extension GL_OES_geometry_shader
  in ANGLE GLSL compiler.
  
  1. Add all built-in constants defined in GL_OES_geometry_shader.
  2. Add built-in functions EmitVertex() and EndPrimitive() required
     in Geometry Shader.
  3. Add built-in variables gl_PrimitiveIDIn and gl_InvocationID to
     Geometry Shader.
  4. Add built-in variables gl_PrimitiveID and gl_Layer to both
     Geometry Shader and Fragment Shader when GL_OES_geometry_shader
     is enabled.
  
  BUG=angleproject:1941
  TEST=angle_unittests
  
  Change-Id: I92821553ed0efee2ccb77fead6e065e7799819d0
  Reviewed-on: https://chromium-review.googlesource.com/627670
  Commit-Queue: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Corentin Wallez <cwallez@chromium.org>
  Reviewed-by: Geoff Lang <geofflang@chromium.org>
  

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• src/compiler/translator/CollectVariables.h

• //
  // Copyright (c) 2002-2011 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.
  //
  // CollectVariables.h: Collect lists of shader interface variables based on the AST.
  
  #ifndef COMPILER_TRANSLATOR_COLLECTVARIABLES_H_
  #define COMPILER_TRANSLATOR_COLLECTVARIABLES_H_
  
  #include <GLSLANG/ShaderLang.h>
  
  #include "compiler/translator/ExtensionBehavior.h"
  
  namespace sh
  {
  
  class TIntermBlock;
  class TSymbolTable;
  
  void CollectVariables(TIntermBlock *root,
                        std::vector<Attribute> *attributes,
                        std::vector<OutputVariable> *outputVariables,
                        std::vector<Uniform> *uniforms,
                        std::vector<Varying> *inputVaryings,
                        std::vector<Varying> *outputVaryings,
                        std::vector<InterfaceBlock> *uniformBlocks,
                        std::vector<InterfaceBlock> *shaderStorageBlocks,
                        std::vector<InterfaceBlock> *inBlocks,
                        ShHashFunction64 hashFunction,
                        TSymbolTable *symbolTable,
                        int shaderVersion,
                        GLenum shaderType,
                        const TExtensionBehavior &extensionBehavior);
  }
  
  #endif  // COMPILER_TRANSLATOR_COLLECTVARIABLES_H_
  

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