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//
// Copyright (c) 2015 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.
//
// compiler_test.cpp:
// utilities for compiler unit tests.
#include "tests/test_utils/compiler_test.h"
#include "angle_gl.h"
#include "compiler/translator/Compiler.h"
namespace sh
{
namespace
{
class ShaderVariableFinder : public TIntermTraverser
{
public:
ShaderVariableFinder(const TString &variableName, TBasicType basicType)
: TIntermTraverser(true, false, false),
mVariableName(variableName),
mNodeFound(nullptr),
mBasicType(basicType)
{
}
void visitSymbol(TIntermSymbol *node)
{
if (node->getBasicType() == mBasicType && node->getSymbol() == mVariableName)
{
mNodeFound = node;
}
}
bool isFound() const { return mNodeFound != nullptr; }
const TIntermSymbol *getNode() const { return mNodeFound; }
private:
TString mVariableName;
TIntermSymbol *mNodeFound;
TBasicType mBasicType;
};
class FunctionCallFinder : public TIntermTraverser
{
public:
FunctionCallFinder(const TString &functionName)
: TIntermTraverser(true, false, false), mFunctionName(functionName), mNodeFound(nullptr)
{
}
bool visitAggregate(Visit visit, TIntermAggregate *node) override
{
if (node->getOp() == EOpFunctionCall &&
node->getFunctionSymbolInfo()->getName() == mFunctionName)
{
mNodeFound = node;
return false;
}
return true;
}
bool isFound() const { return mNodeFound != nullptr; }
const TIntermAggregate *getNode() const { return mNodeFound; }
private:
TString mFunctionName;
TIntermAggregate *mNodeFound;
};
} // anonymous namespace
bool compileTestShader(GLenum type,
ShShaderSpec spec,
ShShaderOutput output,
const std::string &shaderString,
ShBuiltInResources *resources,
ShCompileOptions compileOptions,
std::string *translatedCode,
std::string *infoLog)
{
sh::TCompiler *translator = sh::ConstructCompiler(type, spec, output);
if (!translator->Init(*resources))
{
SafeDelete(translator);
return false;
}
const char *shaderStrings[] = { shaderString.c_str() };
bool compilationSuccess = translator->compile(shaderStrings, 1, SH_OBJECT_CODE | compileOptions);
TInfoSink &infoSink = translator->getInfoSink();
if (translatedCode)
*translatedCode = infoSink.obj.c_str();
if (infoLog)
*infoLog = infoSink.info.c_str();
SafeDelete(translator);
return compilationSuccess;
}
bool compileTestShader(GLenum type,
ShShaderSpec spec,
ShShaderOutput output,
const std::string &shaderString,
ShCompileOptions compileOptions,
std::string *translatedCode,
std::string *infoLog)
{
ShBuiltInResources resources;
sh::InitBuiltInResources(&resources);
return compileTestShader(type, spec, output, shaderString, &resources, compileOptions, translatedCode, infoLog);
}
MatchOutputCodeTest::MatchOutputCodeTest(GLenum shaderType,
ShCompileOptions defaultCompileOptions,
ShShaderOutput outputType)
: mShaderType(shaderType), mDefaultCompileOptions(defaultCompileOptions)
{
sh::InitBuiltInResources(&mResources);
mOutputCode[outputType] = std::string();
}
void MatchOutputCodeTest::addOutputType(const ShShaderOutput outputType)
{
mOutputCode[outputType] = std::string();
}
ShBuiltInResources *MatchOutputCodeTest::getResources()
{
return &mResources;
}
void MatchOutputCodeTest::compile(const std::string &shaderString)
{
compile(shaderString, mDefaultCompileOptions);
}
void MatchOutputCodeTest::compile(const std::string &shaderString,
const ShCompileOptions compileOptions)
{
std::string infoLog;
for (auto &code : mOutputCode)
{
bool compilationSuccess =
compileWithSettings(code.first, shaderString, compileOptions, &code.second, &infoLog);
if (!compilationSuccess)
{
FAIL() << "Shader compilation failed:\n" << infoLog;
}
}
}
bool MatchOutputCodeTest::compileWithSettings(ShShaderOutput output,
const std::string &shaderString,
const ShCompileOptions compileOptions,
std::string *translatedCode,
std::string *infoLog)
{
return compileTestShader(mShaderType, SH_GLES3_SPEC, output, shaderString, &mResources,
compileOptions, translatedCode, infoLog);
}
bool MatchOutputCodeTest::foundInCode(ShShaderOutput output, const char *stringToFind) const
{
const auto code = mOutputCode.find(output);
EXPECT_NE(mOutputCode.end(), code);
if (code == mOutputCode.end())
{
return false;
}
return code->second.find(stringToFind) != std::string::npos;
}
bool MatchOutputCodeTest::foundInCode(ShShaderOutput output,
const char *stringToFind,
const int expectedOccurrences) const
{
const auto code = mOutputCode.find(output);
EXPECT_NE(mOutputCode.end(), code);
if (code == mOutputCode.end())
{
return false;
}
size_t currentPos = 0;
int occurencesLeft = expectedOccurrences;
while (occurencesLeft-- > 0)
{
auto position = code->second.find(stringToFind, currentPos);
if (position == std::string::npos)
{
return false;
}
currentPos = position + 1;
}
return code->second.find(stringToFind, currentPos) == std::string::npos;
}
bool MatchOutputCodeTest::foundInCode(const char *stringToFind) const
{
for (auto &code : mOutputCode)
{
if (!foundInCode(code.first, stringToFind))
{
return false;
}
}
return true;
}
bool MatchOutputCodeTest::foundInCode(const char *stringToFind, const int expectedOccurrences) const
{
for (auto &code : mOutputCode)
{
if (!foundInCode(code.first, stringToFind, expectedOccurrences))
{
return false;
}
}
return true;
}
bool MatchOutputCodeTest::notFoundInCode(const char *stringToFind) const
{
for (auto &code : mOutputCode)
{
if (foundInCode(code.first, stringToFind))
{
return false;
}
}
return true;
}
const TIntermSymbol *FindSymbolNode(TIntermNode *root,
const TString &symbolName,
TBasicType basicType)
{
ShaderVariableFinder finder(symbolName, basicType);
root->traverse(&finder);
return finder.getNode();
}
const TIntermAggregate *FindFunctionCallNode(TIntermNode *root, const TString &functionName)
{
FunctionCallFinder finder(functionName);
root->traverse(&finder);
return finder.getNode();
}
} // namespace sh
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