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92 lines
2.7 KiB
92 lines
2.7 KiB
#ifndef _RSGEXECUTIONCONTEXT_HPP
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#define _RSGEXECUTIONCONTEXT_HPP
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/*-------------------------------------------------------------------------
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* drawElements Quality Program Random Shader Generator
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* ----------------------------------------------------
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*
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* Copyright 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*
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*//*!
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* \file
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* \brief Shader Execution Context.
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*//*--------------------------------------------------------------------*/
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#include "rsgDefs.hpp"
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#include "rsgVariable.hpp"
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#include "rsgVariableValue.hpp"
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#include "rsgSamplers.hpp"
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#include <vector>
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#include <map>
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namespace rsg
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{
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enum
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{
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EXEC_VEC_WIDTH = 64
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};
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typedef ConstStridedValueAccess<EXEC_VEC_WIDTH> ExecConstValueAccess;
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typedef StridedValueAccess<EXEC_VEC_WIDTH> ExecValueAccess;
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typedef ValueStorage<EXEC_VEC_WIDTH> ExecValueStorage;
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typedef std::map<const Variable*, ExecValueStorage*> VarValueMap;
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class ExecMaskStorage
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{
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public:
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ExecMaskStorage (bool initVal = true);
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ExecValueAccess getValue (void);
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ExecConstValueAccess getValue (void) const;
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private:
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Scalar m_data[EXEC_VEC_WIDTH];
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};
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class ExecutionContext
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{
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public:
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ExecutionContext (const Sampler2DMap& samplers2D, const SamplerCubeMap& samplersCube);
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~ExecutionContext (void);
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ExecValueAccess getValue (const Variable* variable);
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const Sampler2D& getSampler2D (const Variable* variable) const;
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const SamplerCube& getSamplerCube (const Variable* variable) const;
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ExecConstValueAccess getExecutionMask (void) const;
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void andExecutionMask (ExecConstValueAccess value); // Pushes computed value
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void pushExecutionMask (ExecConstValueAccess value);
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void popExecutionMask (void);
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protected:
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ExecutionContext (const ExecutionContext& other);
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ExecutionContext& operator= (const ExecutionContext& other);
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VarValueMap m_varValues;
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const Sampler2DMap& m_samplers2D;
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const SamplerCubeMap& m_samplersCube;
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std::vector<ExecMaskStorage> m_execMaskStack;
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};
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void assignMasked (ExecValueAccess dst, ExecConstValueAccess src, ExecConstValueAccess mask);
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} // rsg
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#endif // _RSGEXECUTIONCONTEXT_HPP
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