glslang/gtests/TestFixture.h
Arcady Goldmints-Orlov 6495f77b04 Remove redundant calls to spv::Parameterize() from tests
This means the tests won't need to have this entrypoint exposed when
building as a shared library with hidden symbols.
2024-09-11 13:52:22 -07:00

769 lines
33 KiB
C++

//
// Copyright (C) 2016 Google, Inc.
//
// All rights reserved.
//
// Redistribution and use in source and binary forms, with or without
// modification, are permitted provided that the following conditions
// are met:
//
// Redistributions of source code must retain the above copyright
// notice, this list of conditions and the following disclaimer.
//
// Redistributions in binary form must reproduce the above
// copyright notice, this list of conditions and the following
// disclaimer in the documentation and/or other materials provided
// with the distribution.
//
// Neither the name of Google Inc. nor the names of its
// contributors may be used to endorse or promote products derived
// from this software without specific prior written permission.
//
// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
// FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
// COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
// INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
// BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
// LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
// CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
// LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
// ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
// POSSIBILITY OF SUCH DAMAGE.
#ifndef GLSLANG_GTESTS_TEST_FIXTURE_H
#define GLSLANG_GTESTS_TEST_FIXTURE_H
#include <algorithm>
#include <cstdint>
#include <fstream>
#include <sstream>
#include <streambuf>
#include <tuple>
#include <string>
#include <gtest/gtest.h>
#include "SPIRV/GlslangToSpv.h"
#include "SPIRV/disassemble.h"
#include "SPIRV/doc.h"
#include "SPIRV/SPVRemapper.h"
#include "glslang/Include/Types.h"
#include "glslang/Public/ResourceLimits.h"
#include "glslang/Public/ShaderLang.h"
#include "Initializer.h"
#include "Settings.h"
namespace glslangtest {
// This function is used to provide custom test name suffixes based on the
// shader source file names. Otherwise, the test name suffixes will just be
// numbers, which are not quite obvious.
std::string FileNameAsCustomTestSuffix(
const ::testing::TestParamInfo<std::string>& info);
enum class Source {
GLSL,
HLSL,
};
// Enum for shader compilation semantics.
enum class Semantics {
OpenGL,
Vulkan
};
// Enum for compilation target.
enum class Target {
AST,
Spv,
BothASTAndSpv,
};
EShLanguage GetShaderStage(const std::string& stage);
EShMessages DeriveOptions(Source, Semantics, Target);
// Reads the content of the file at the given |path|. On success, returns true
// and the contents; otherwise, returns false and an empty string.
std::pair<bool, std::string> ReadFile(const std::string& path);
std::pair<bool, std::vector<std::uint32_t> > ReadSpvBinaryFile(const std::string& path);
// Writes the given |contents| into the file at the given |path|. Returns true
// on successful output.
bool WriteFile(const std::string& path, const std::string& contents);
// Returns the suffix of the given |name|.
std::string GetSuffix(const std::string& name);
// Base class for glslang integration tests. It contains many handy utility-like
// methods such as reading shader source files, compiling into AST/SPIR-V, and
// comparing with expected outputs.
//
// To write value-Parameterized tests:
// using ValueParamTest = GlslangTest<::testing::TestWithParam<std::string>>;
// To use as normal fixture:
// using FixtureTest = GlslangTest<::testing::Test>;
template <typename GT>
class GlslangTest : public GT {
public:
GlslangTest()
: defaultVersion(100),
defaultProfile(ENoProfile),
forceVersionProfile(false),
isForwardCompatible(false) {
// Perform validation by default.
spirvOptions.validate = true;
}
// Tries to load the contents from the file at the given |path|. On success,
// writes the contents into |contents|. On failure, errors out.
void tryLoadFile(const std::string& path, const std::string& tag,
std::string* contents)
{
bool fileReadOk;
std::tie(fileReadOk, *contents) = ReadFile(path);
ASSERT_TRUE(fileReadOk) << "Cannot open " << tag << " file: " << path;
}
// Tries to load the contents from the file at the given |path|. On success,
// writes the contents into |contents|. On failure, errors out.
void tryLoadSpvFile(const std::string& path, const std::string& tag,
std::vector<uint32_t>& contents)
{
bool fileReadOk;
std::tie(fileReadOk, contents) = ReadSpvBinaryFile(path);
ASSERT_TRUE(fileReadOk) << "Cannot open " << tag << " file: " << path;
}
// Checks the equality of |expected| and |real|. If they are not equal,
// write |real| to the given file named as |fname| if update mode is on.
void checkEqAndUpdateIfRequested(const std::string& expected,
const std::string& real,
const std::string& fname,
const std::string& errorsAndWarnings = "")
{
// In order to output the message we want under proper circumstances,
// we need the following operator<< stuff.
EXPECT_EQ(expected, real)
<< (GlobalTestSettings.updateMode
? ("Mismatch found and update mode turned on - "
"flushing expected result output.\n")
: "")
<< "The following warnings/errors occurred:\n"
<< errorsAndWarnings;
// Update the expected output file if requested.
// It looks weird to duplicate the comparison between expected_output
// and stream.str(). However, if creating a variable for the comparison
// result, we cannot have pretty print of the string diff in the above.
if (GlobalTestSettings.updateMode && expected != real) {
EXPECT_TRUE(WriteFile(fname, real)) << "Flushing failed";
}
}
struct ShaderResult {
std::string shaderName;
std::string output;
std::string error;
};
// A struct for holding all the information returned by glslang compilation
// and linking.
struct GlslangResult {
std::vector<ShaderResult> shaderResults;
std::string linkingOutput;
std::string linkingError;
bool validationResult;
std::string spirvWarningsErrors;
std::string spirv; // Optional SPIR-V disassembly text.
};
// Compiles and the given source |code| of the given shader |stage| into
// the target under the semantics conveyed via |controls|. Returns true
// and modifies |shader| on success.
bool compile(glslang::TShader* shader, const std::string& code,
const std::string& entryPointName, EShMessages controls,
const TBuiltInResource* resources=nullptr,
const std::string* shaderName=nullptr)
{
const char* shaderStrings = code.data();
const int shaderLengths = static_cast<int>(code.size());
const char* shaderNames = nullptr;
if ((controls & EShMsgDebugInfo) && shaderName != nullptr) {
shaderNames = shaderName->data();
shader->setStringsWithLengthsAndNames(
&shaderStrings, &shaderLengths, &shaderNames, 1);
} else
shader->setStringsWithLengths(&shaderStrings, &shaderLengths, 1);
if (!entryPointName.empty()) shader->setEntryPoint(entryPointName.c_str());
// A includer that always assumes header name is a relative path to the test folder.
class GlslangTestIncluder : public glslang::TShader::Includer {
public:
virtual IncludeResult* includeLocal(const char* headerName, const char* /*includerName*/,
size_t /*inclusionDepth*/) override
{
std::string path = GLSLANG_TEST_DIRECTORY;
path += '/';
path += headerName;
std::replace(path.begin(), path.end(), '\\', '/');
auto [success, fileContent] = ReadFile(path);
if (success) {
auto buffer = new char[fileContent.size() + 1];
std::copy(fileContent.begin(), fileContent.end(), buffer);
buffer[fileContent.size()] = '\0';
return new IncludeResult(headerName, buffer, fileContent.size(), buffer);
}
return nullptr;
}
virtual void releaseInclude(IncludeResult* result) override
{
if (result != nullptr) {
delete[] static_cast<char*>(result->userData);
delete result;
}
}
};
GlslangTestIncluder includer;
return shader->parse((resources ? resources : GetDefaultResources()), defaultVersion, isForwardCompatible,
controls, includer);
}
// Compiles and links the given source |code| of the given shader
// |stage| into the target under the semantics specified via |controls|.
// Returns a GlslangResult instance containing all the information generated
// during the process. If the target includes SPIR-V, also disassembles
// the result and returns disassembly text.
GlslangResult compileAndLink(
const std::string& shaderName, const std::string& code,
const std::string& entryPointName, EShMessages controls,
glslang::EShTargetClientVersion clientTargetVersion,
glslang::EShTargetLanguageVersion targetLanguageVersion,
bool flattenUniformArrays = false,
EShTextureSamplerTransformMode texSampTransMode = EShTexSampTransKeep,
bool enableOptimizer = false,
bool enableDebug = false,
bool enableNonSemanticShaderDebugInfo = false,
bool automap = true)
{
const EShLanguage stage = GetShaderStage(GetSuffix(shaderName));
glslang::TShader shader(stage);
if (automap) {
shader.setAutoMapLocations(true);
shader.setAutoMapBindings(true);
}
shader.setTextureSamplerTransformMode(texSampTransMode);
#ifdef ENABLE_HLSL
shader.setFlattenUniformArrays(flattenUniformArrays);
#endif
if (controls & EShMsgSpvRules) {
if (controls & EShMsgVulkanRules) {
shader.setEnvInput((controls & EShMsgReadHlsl) ? glslang::EShSourceHlsl
: glslang::EShSourceGlsl,
stage, glslang::EShClientVulkan, 100);
shader.setEnvClient(glslang::EShClientVulkan, clientTargetVersion);
shader.setEnvTarget(glslang::EShTargetSpv, targetLanguageVersion);
} else {
shader.setEnvInput((controls & EShMsgReadHlsl) ? glslang::EShSourceHlsl
: glslang::EShSourceGlsl,
stage, glslang::EShClientOpenGL, 100);
shader.setEnvClient(glslang::EShClientOpenGL, clientTargetVersion);
shader.setEnvTarget(glslang::EshTargetSpv, glslang::EShTargetSpv_1_0);
}
}
if (options().compileOnly)
shader.setCompileOnly();
bool success = compile(
&shader, code, entryPointName, controls, nullptr, &shaderName);
glslang::TProgram program;
spv::SpvBuildLogger logger;
std::vector<uint32_t> spirv_binary;
if (!options().compileOnly) {
program.addShader(&shader);
success &= program.link(controls);
if (success)
program.mapIO();
if (success && (controls & EShMsgSpvRules)) {
options().disableOptimizer = !enableOptimizer;
options().generateDebugInfo = enableDebug;
options().emitNonSemanticShaderDebugInfo = enableNonSemanticShaderDebugInfo;
options().emitNonSemanticShaderDebugSource = enableNonSemanticShaderDebugInfo;
glslang::GlslangToSpv(*program.getIntermediate(stage), spirv_binary, &logger, &options());
} else {
return {{
{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},
},
program.getInfoLog(),
program.getInfoDebugLog(),
true,
"",
""};
}
} else {
options().disableOptimizer = !enableOptimizer;
options().generateDebugInfo = enableDebug;
options().emitNonSemanticShaderDebugInfo = enableNonSemanticShaderDebugInfo;
options().emitNonSemanticShaderDebugSource = enableNonSemanticShaderDebugInfo;
glslang::GlslangToSpv(*shader.getIntermediate(), spirv_binary, &logger, &options());
}
std::ostringstream disassembly_stream;
spv::Disassemble(disassembly_stream, spirv_binary);
bool validation_result = !options().validate || logger.getAllMessages().empty();
return {{
{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},
},
program.getInfoLog(),
program.getInfoDebugLog(),
validation_result,
logger.getAllMessages(),
disassembly_stream.str()};
}
// Compiles and links the given source |code| of the given shader
// |stage| into the target under the semantics specified via |controls|.
// Returns a GlslangResult instance containing all the information generated
// during the process. If the target includes SPIR-V, also disassembles
// the result and returns disassembly text.
GlslangResult compileLinkIoMap(
const std::string shaderName, const std::string& code,
const std::string& entryPointName, EShMessages controls,
int baseSamplerBinding,
int baseTextureBinding,
int baseImageBinding,
int baseUboBinding,
int baseSsboBinding,
bool autoMapBindings,
bool flattenUniformArrays)
{
const EShLanguage stage = GetShaderStage(GetSuffix(shaderName));
glslang::TShader shader(stage);
shader.setShiftSamplerBinding(baseSamplerBinding);
shader.setShiftTextureBinding(baseTextureBinding);
shader.setShiftImageBinding(baseImageBinding);
shader.setShiftUboBinding(baseUboBinding);
shader.setShiftSsboBinding(baseSsboBinding);
shader.setAutoMapBindings(autoMapBindings);
shader.setAutoMapLocations(true);
#ifdef ENABLE_HLSL
shader.setFlattenUniformArrays(flattenUniformArrays);
#endif
bool success = compile(&shader, code, entryPointName, controls);
glslang::TProgram program;
program.addShader(&shader);
success &= program.link(controls);
if (success)
program.mapIO();
spv::SpvBuildLogger logger;
if (success && (controls & EShMsgSpvRules)) {
std::vector<uint32_t> spirv_binary;
glslang::GlslangToSpv(*program.getIntermediate(stage),
spirv_binary, &logger, &options());
std::ostringstream disassembly_stream;
spv::Disassemble(disassembly_stream, spirv_binary);
bool validation_result = !options().validate || logger.getAllMessages().empty();
return {{{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},},
program.getInfoLog(), program.getInfoDebugLog(),
validation_result, logger.getAllMessages(), disassembly_stream.str()};
} else {
return {{{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},},
program.getInfoLog(), program.getInfoDebugLog(), true, "", ""};
}
}
// This is like compileAndLink but with remapping of the SPV binary
// through spirvbin_t::remap(). While technically this could be merged
// with compileAndLink() above (with the remap step optionally being a no-op)
// it is given separately here for ease of future extraction.
GlslangResult compileLinkRemap(
const std::string shaderName, const std::string& code,
const std::string& entryPointName, EShMessages controls,
const unsigned int remapOptions = spv::spirvbin_t::NONE)
{
const EShLanguage stage = GetShaderStage(GetSuffix(shaderName));
glslang::TShader shader(stage);
shader.setAutoMapBindings(true);
shader.setAutoMapLocations(true);
bool success = compile(&shader, code, entryPointName, controls);
glslang::TProgram program;
program.addShader(&shader);
success &= program.link(controls);
if (success)
program.mapIO();
if (success && (controls & EShMsgSpvRules)) {
spv::SpvBuildLogger logger;
std::vector<std::string> whiteListStrings;
std::vector<uint32_t> spirv_binary;
glslang::GlslangToSpv(*program.getIntermediate(stage),
spirv_binary, &logger, &options());
spv::spirvbin_t(0 /*verbosity*/).remap(spirv_binary, whiteListStrings, remapOptions);
std::ostringstream disassembly_stream;
spv::Disassemble(disassembly_stream, spirv_binary);
bool validation_result = !options().validate || logger.getAllMessages().empty();
return {{{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},},
program.getInfoLog(), program.getInfoDebugLog(),
validation_result, logger.getAllMessages(), disassembly_stream.str()};
} else {
return {{{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},},
program.getInfoLog(), program.getInfoDebugLog(), true, "", ""};
}
}
// remap the binary in 'code' with the options in remapOptions
GlslangResult remap(
const std::string shaderName, const std::vector<uint32_t>& code,
EShMessages controls,
const unsigned int remapOptions = spv::spirvbin_t::NONE)
{
if ((controls & EShMsgSpvRules)) {
std::vector<uint32_t> spirv_binary(code); // scratch copy
std::vector<std::string> whiteListStrings;
spv::spirvbin_t(0 /*verbosity*/).remap(spirv_binary, whiteListStrings, remapOptions);
std::ostringstream disassembly_stream;
spv::Disassemble(disassembly_stream, spirv_binary);
return {{{shaderName, "", ""},},
"", "",
true, "", disassembly_stream.str()};
} else {
return {{{shaderName, "", ""},}, "", "", true, "", ""};
}
}
void outputResultToStream(std::ostringstream* stream,
const GlslangResult& result,
EShMessages controls)
{
const auto outputIfNotEmpty = [&stream](const std::string& str) {
if (!str.empty()) *stream << str << "\n";
};
for (const auto& shaderResult : result.shaderResults) {
*stream << shaderResult.shaderName << "\n";
outputIfNotEmpty(shaderResult.output);
outputIfNotEmpty(shaderResult.error);
}
outputIfNotEmpty(result.linkingOutput);
outputIfNotEmpty(result.linkingError);
if (!result.validationResult) {
*stream << "Validation failed\n";
}
if (controls & EShMsgSpvRules) {
*stream
<< (result.spirv.empty()
? "SPIR-V is not generated for failed compile or link\n"
: result.spirv);
}
}
void loadFileCompileAndCheck(const std::string& testDir,
const std::string& testName,
Source source,
Semantics semantics,
glslang::EShTargetClientVersion clientTargetVersion,
glslang::EShTargetLanguageVersion targetLanguageVersion,
Target target,
bool automap = true,
const std::string& entryPointName="",
const std::string& baseDir="/baseResults/",
const bool enableOptimizer = false,
const bool enableDebug = false,
const bool enableNonSemanticShaderDebugInfo = false)
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname =
testDir + baseDir + testName + ".out";
std::string input, expectedOutput;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
EShMessages controls = DeriveOptions(source, semantics, target);
if (enableOptimizer)
controls = static_cast<EShMessages>(controls & ~EShMsgHlslLegalization);
if (enableDebug)
controls = static_cast<EShMessages>(controls | EShMsgDebugInfo);
GlslangResult result = compileAndLink(testName, input, entryPointName, controls, clientTargetVersion,
targetLanguageVersion, false, EShTexSampTransKeep, enableOptimizer, enableDebug,
enableNonSemanticShaderDebugInfo, automap);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname, result.spirvWarningsErrors);
}
void loadFileCompileAndCheckWithOptions(const std::string &testDir,
const std::string &testName,
Source source,
Semantics semantics,
glslang::EShTargetClientVersion clientTargetVersion,
glslang::EShTargetLanguageVersion targetLanguageVersion,
Target target, bool automap = true, const std::string &entryPointName = "",
const std::string &baseDir = "/baseResults/",
const EShMessages additionalOptions = EShMessages::EShMsgDefault)
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname = testDir + baseDir + testName + ".out";
std::string input, expectedOutput;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
EShMessages controls = DeriveOptions(source, semantics, target);
controls = static_cast<EShMessages>(controls | additionalOptions);
GlslangResult result = compileAndLink(testName, input, entryPointName, controls, clientTargetVersion,
targetLanguageVersion, false, EShTexSampTransKeep, false, automap);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(), expectedOutputFname);
}
void loadFileCompileFlattenUniformsAndCheck(const std::string& testDir,
const std::string& testName,
Source source,
Semantics semantics,
Target target,
const std::string& entryPointName="")
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname =
testDir + "/baseResults/" + testName + ".out";
std::string input, expectedOutput;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
const EShMessages controls = DeriveOptions(source, semantics, target);
GlslangResult result = compileAndLink(testName, input, entryPointName, controls,
glslang::EShTargetVulkan_1_0, glslang::EShTargetSpv_1_0, true);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname, result.spirvWarningsErrors);
}
void loadFileCompileIoMapAndCheck(const std::string& testDir,
const std::string& testName,
Source source,
Semantics semantics,
Target target,
const std::string& entryPointName,
int baseSamplerBinding,
int baseTextureBinding,
int baseImageBinding,
int baseUboBinding,
int baseSsboBinding,
bool autoMapBindings,
bool flattenUniformArrays)
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname =
testDir + "/baseResults/" + testName + ".out";
std::string input, expectedOutput;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
const EShMessages controls = DeriveOptions(source, semantics, target);
GlslangResult result = compileLinkIoMap(testName, input, entryPointName, controls,
baseSamplerBinding, baseTextureBinding, baseImageBinding,
baseUboBinding, baseSsboBinding,
autoMapBindings,
flattenUniformArrays);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname, result.spirvWarningsErrors);
}
void loadFileCompileRemapAndCheck(const std::string& testDir,
const std::string& testName,
Source source,
Semantics semantics,
Target target,
const std::string& entryPointName="",
const unsigned int remapOptions = spv::spirvbin_t::NONE)
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname =
testDir + "/baseResults/" + testName + ".out";
std::string input, expectedOutput;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
const EShMessages controls = DeriveOptions(source, semantics, target);
GlslangResult result = compileLinkRemap(testName, input, entryPointName, controls, remapOptions);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname, result.spirvWarningsErrors);
}
void loadFileRemapAndCheck(const std::string& testDir,
const std::string& testName,
Source source,
Semantics semantics,
Target target,
const unsigned int remapOptions = spv::spirvbin_t::NONE)
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname =
testDir + "/baseResults/" + testName + ".out";
std::vector<std::uint32_t> input;
std::string expectedOutput;
tryLoadSpvFile(inputFname, "input", input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
const EShMessages controls = DeriveOptions(source, semantics, target);
GlslangResult result = remap(testName, input, controls, remapOptions);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname, result.spirvWarningsErrors);
}
// Preprocesses the given |source| code. On success, returns true, the
// preprocessed shader, and warning messages. Otherwise, returns false, an
// empty string, and error messages.
std::tuple<bool, std::string, std::string> preprocess(
const std::string& source)
{
const char* shaderStrings = source.data();
const int shaderLengths = static_cast<int>(source.size());
glslang::TShader shader(EShLangVertex);
shader.setStringsWithLengths(&shaderStrings, &shaderLengths, 1);
std::string ppShader;
glslang::TShader::ForbidIncluder includer;
const bool success = shader.preprocess(
GetDefaultResources(), defaultVersion, defaultProfile, forceVersionProfile, isForwardCompatible,
(EShMessages)(EShMsgOnlyPreprocessor | EShMsgCascadingErrors),
&ppShader, includer);
std::string log = shader.getInfoLog();
log += shader.getInfoDebugLog();
if (success) {
return std::make_tuple(true, ppShader, log);
} else {
return std::make_tuple(false, "", log);
}
}
void loadFilePreprocessAndCheck(const std::string& testDir,
const std::string& testName)
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname =
testDir + "/baseResults/" + testName + ".out";
const std::string expectedErrorFname =
testDir + "/baseResults/" + testName + ".err";
std::string input, expectedOutput, expectedError;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
tryLoadFile(expectedErrorFname, "expected error", &expectedError);
bool ppOk;
std::string output, error;
std::tie(ppOk, output, error) = preprocess(input);
if (!output.empty()) output += '\n';
if (!error.empty()) error += '\n';
checkEqAndUpdateIfRequested(expectedOutput, output,
expectedOutputFname);
checkEqAndUpdateIfRequested(expectedError, error,
expectedErrorFname);
}
void loadCompileUpgradeTextureToSampledTextureAndDropSamplersAndCheck(const std::string& testDir,
const std::string& testName,
Source source,
Semantics semantics,
Target target,
const std::string& entryPointName = "")
{
const std::string inputFname = testDir + "/" + testName;
const std::string expectedOutputFname = testDir + "/baseResults/" + testName + ".out";
std::string input, expectedOutput;
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
const EShMessages controls = DeriveOptions(source, semantics, target);
GlslangResult result = compileAndLink(testName, input, entryPointName, controls,
glslang::EShTargetVulkan_1_0, glslang::EShTargetSpv_1_0, false,
EShTexSampTransUpgradeTextureRemoveSampler);
// Generate the hybrid output in the way of glslang.
std::ostringstream stream;
outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname, result.spirvWarningsErrors);
}
glslang::SpvOptions& options() { return spirvOptions; }
private:
const int defaultVersion;
const EProfile defaultProfile;
const bool forceVersionProfile;
const bool isForwardCompatible;
glslang::SpvOptions spirvOptions;
};
} // namespace glslangtest
#endif // GLSLANG_GTESTS_TEST_FIXTURE_H