kc3-lang/angle/src/compiler/translator/tree_util/DriverUniform.h

• Show log

  Commit

• Hash : 095d7c0a
  Author :
  Date : 2022-01-06T01:20:53
  

  Translator: Clean up spec const / driver uniform types
  
  Bug: angleproject:6755
  Change-Id: I8fb1557a5e29fcc28d5cb2f3aaa2c4a14b72583d
  Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/3369125
  Reviewed-by: Tim Van Patten <timvp@google.com>
  Commit-Queue: Tim Van Patten <timvp@google.com>
  

Download

• src/compiler/translator/tree_util/DriverUniform.h

• //
  // Copyright 2020 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.
  //
  // DriverUniform.h: Add code to support driver uniforms
  //
  
  #ifndef COMPILER_TRANSLATOR_TREEUTIL_DRIVERUNIFORM_H_
  #define COMPILER_TRANSLATOR_TREEUTIL_DRIVERUNIFORM_H_
  
  #include "common/angleutils.h"
  #include "compiler/translator/Types.h"
  
  namespace sh
  {
  
  class TCompiler;
  class TIntermBlock;
  class TIntermNode;
  class TSymbolTable;
  class TIntermTyped;
  class TIntermSwizzle;
  class TIntermBinary;
  
  enum class DriverUniformMode
  {
      // Define the driver uniforms as an interface block. Used by the
      // Vulkan and Metal/SPIR-V backends.
      InterfaceBlock,
  
      // Define the driver uniforms as a structure. Used by the
      // direct-to-MSL Metal backend.
      Structure
  };
  
  class DriverUniform
  {
    public:
      DriverUniform(DriverUniformMode mode)
          : mMode(mode), mDriverUniforms(nullptr), mEmulatedDepthRangeType(nullptr)
      {}
      virtual ~DriverUniform() = default;
  
      bool addComputeDriverUniformsToShader(TIntermBlock *root, TSymbolTable *symbolTable);
      bool addGraphicsDriverUniformsToShader(TIntermBlock *root, TSymbolTable *symbolTable);
  
      TIntermTyped *getViewportRef() const;
      TIntermTyped *getAbcBufferOffsets() const;
      TIntermTyped *getXfbVerticesPerInstance() const;
      TIntermTyped *getXfbBufferOffsets() const;
      TIntermTyped *getClipDistancesEnabled() const;
      TIntermTyped *getDepthRangeRef() const;
      TIntermTyped *getDepthRangeReservedFieldRef() const;
      TIntermTyped *getNumSamplesRef() const;
  
      virtual TIntermTyped *getFlipXYRef() const { return nullptr; }
      virtual TIntermTyped *getNegFlipXYRef() const { return nullptr; }
      virtual TIntermTyped *getPreRotationMatrixRef() const { return nullptr; }
      virtual TIntermTyped *getFragRotationMatrixRef() const { return nullptr; }
      virtual TIntermTyped *getHalfRenderAreaRef() const { return nullptr; }
      virtual TIntermTyped *getNegFlipYRef() const { return nullptr; }
  
      const TVariable *getDriverUniformsVariable() const { return mDriverUniforms; }
  
    protected:
      TIntermTyped *createDriverUniformRef(const char *fieldName) const;
      virtual TFieldList *createUniformFields(TSymbolTable *symbolTable);
      TType *createEmulatedDepthRangeType(TSymbolTable *symbolTable);
  
      const DriverUniformMode mMode;
      const TVariable *mDriverUniforms;
      TType *mEmulatedDepthRangeType;
  };
  
  class DriverUniformExtended : public DriverUniform
  {
    public:
      DriverUniformExtended(DriverUniformMode mode) : DriverUniform(mode) {}
      virtual ~DriverUniformExtended() override {}
  
      TIntermTyped *getFlipXYRef() const override;
      TIntermTyped *getNegFlipXYRef() const override;
      TIntermTyped *getPreRotationMatrixRef() const override;
      TIntermTyped *getFragRotationMatrixRef() const override;
      TIntermTyped *getHalfRenderAreaRef() const override;
      TIntermTyped *getNegFlipYRef() const override;
  
    protected:
      virtual TFieldList *createUniformFields(TSymbolTable *symbolTable) override;
  };
  
  }  // namespace sh
  
  #endif  // COMPILER_TRANSLATOR_TREEUTIL_DRIVERUNIFORM_H_
  

Download