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Diffstat (limited to 'src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulator.h')
| -rw-r--r-- | src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulator.h | 183 |
1 files changed, 0 insertions, 183 deletions
diff --git a/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulator.h b/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulator.h deleted file mode 100644 index 5f15f66224..0000000000 --- a/src/3rdparty/angle/src/compiler/translator/BuiltInFunctionEmulator.h +++ /dev/null @@ -1,183 +0,0 @@ -// -// Copyright (c) 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. -// - -#ifndef COMPILER_TRANSLATOR_BUILTINFUNCTIONEMULATOR_H_ -#define COMPILER_TRANSLATOR_BUILTINFUNCTIONEMULATOR_H_ - -#include "compiler/translator/InfoSink.h" -#include "compiler/translator/IntermNode.h" -#include "compiler/translator/ParamType.h" - -namespace sh -{ - -struct MiniFunctionId -{ - constexpr MiniFunctionId(TOperator op = EOpNull, - ParamType paramType1 = ParamType::Void, - ParamType paramType2 = ParamType::Void, - ParamType paramType3 = ParamType::Void, - ParamType paramType4 = ParamType::Void) - : op(op), - paramType1(paramType1), - paramType2(paramType2), - paramType3(paramType3), - paramType4(paramType4) - { - } - - TOperator op; - ParamType paramType1; - ParamType paramType2; - ParamType paramType3; - ParamType paramType4; -}; - -class FunctionId final -{ - public: - FunctionId(); - FunctionId(TOperator op, const TType *param); - FunctionId(TOperator op, const TType *param1, const TType *param2); - FunctionId(TOperator op, const TType *param1, const TType *param2, const TType *param3); - FunctionId(TOperator op, - const TType *param1, - const TType *param2, - const TType *param3, - const TType *param4); - - FunctionId(const FunctionId &) = default; - FunctionId &operator=(const FunctionId &) = default; - - bool operator==(const FunctionId &other) const; - bool operator<(const FunctionId &other) const; - - FunctionId getCopy() const; - - private: - friend bool operator==(const MiniFunctionId &miniId, const FunctionId &functionId); - TOperator mOp; - - // The memory that these TType objects use is freed by PoolAllocator. The - // BuiltInFunctionEmulator's lifetime can extend until after the memory pool is freed, but - // that's not an issue since this class never destructs these objects. - const TType *mParam1; - const TType *mParam2; - const TType *mParam3; - const TType *mParam4; -}; - -inline bool operator==(ParamType paramType, const TType *type) -{ - return SameParamType(paramType, type->getBasicType(), type->getNominalSize(), - type->getSecondarySize()); -} - -inline bool operator==(const MiniFunctionId &miniId, const FunctionId &functionId) -{ - return miniId.op == functionId.mOp && miniId.paramType1 == functionId.mParam1 && - miniId.paramType2 == functionId.mParam2 && miniId.paramType3 == functionId.mParam3 && - miniId.paramType4 == functionId.mParam4; -} - -using BuiltinQueryFunc = const char *(const FunctionId &); - -// -// This class decides which built-in functions need to be replaced with the emulated ones. It can be -// used to work around driver bugs or implement functions that are not natively implemented on a -// specific platform. -// -class BuiltInFunctionEmulator -{ - public: - BuiltInFunctionEmulator(); - - void markBuiltInFunctionsForEmulation(TIntermNode *root); - - void cleanup(); - - // "name" gets written as "name_emu". - static void WriteEmulatedFunctionName(TInfoSinkBase &out, const char *name); - - bool isOutputEmpty() const; - - // Output function emulation definition. This should be before any other shader source. - void outputEmulatedFunctions(TInfoSinkBase &out) const; - - // Add functions that need to be emulated. - FunctionId addEmulatedFunction(TOperator op, - const TType *param, - const char *emulatedFunctionDefinition); - FunctionId addEmulatedFunction(TOperator op, - const TType *param1, - const TType *param2, - const char *emulatedFunctionDefinition); - FunctionId addEmulatedFunction(TOperator op, - const TType *param1, - const TType *param2, - const TType *param3, - const char *emulatedFunctionDefinition); - FunctionId addEmulatedFunction(TOperator op, - const TType *param1, - const TType *param2, - const TType *param3, - const TType *param4, - const char *emulatedFunctionDefinition); - - FunctionId addEmulatedFunctionWithDependency(const FunctionId &dependency, - TOperator op, - const TType *param1, - const TType *param2, - const char *emulatedFunctionDefinition); - FunctionId addEmulatedFunctionWithDependency(const FunctionId &dependency, - TOperator op, - const TType *param1, - const TType *param2, - const TType *param3, - const TType *param4, - const char *emulatedFunctionDefinition); - - void addFunctionMap(BuiltinQueryFunc queryFunc); - - private: - class BuiltInFunctionEmulationMarker; - - // Records that a function is called by the shader and might need to be emulated. If the - // function is not in mEmulatedFunctions, this becomes a no-op. Returns true if the function - // call needs to be replaced with an emulated one. - bool setFunctionCalled(TOperator op, const TType ¶m); - bool setFunctionCalled(TOperator op, const TType ¶m1, const TType ¶m2); - bool setFunctionCalled(TOperator op, - const TType ¶m1, - const TType ¶m2, - const TType ¶m3); - bool setFunctionCalled(TOperator op, - const TType ¶m1, - const TType ¶m2, - const TType ¶m3, - const TType ¶m4); - - bool setFunctionCalled(const FunctionId &functionId); - - const char *findEmulatedFunction(const FunctionId &functionId) const; - - // Map from function id to emulated function definition - std::map<FunctionId, std::string> mEmulatedFunctions; - - // Map from dependent functions to their dependencies. This structure allows each function to - // have at most one dependency. - std::map<FunctionId, FunctionId> mFunctionDependencies; - - // Called function ids - std::vector<FunctionId> mFunctions; - - // Constexpr function tables. - std::vector<BuiltinQueryFunc *> mQueryFunctions; -}; - -} // namespace sh - -#endif // COMPILER_TRANSLATOR_BUILTINFUNCTIONEMULATOR_H_ |