--- /dev/null
+//
+// 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.
+
+#include <memory>
+
+#include <gtest/gtest.h>
+
+#include "TestFixture.h"
+
+namespace glslangtest {
+namespace {
+
+using LinkTest = GlslangTest<
+ ::testing::TestWithParam<std::vector<std::string>>>;
+
+TEST_P(LinkTest, FromFile)
+{
+ const auto& fileNames = GetParam();
+ const size_t fileCount = fileNames.size();
+ const EShMessages controls = DeriveOptions(
+ Source::GLSL, Semantics::OpenGL, Target::AST);
+ GlslangResult result;
+
+ // Compile each input shader file.
+ std::vector<std::unique_ptr<glslang::TShader>> shaders;
+ for (size_t i = 0; i < fileCount; ++i) {
+ std::string contents;
+ tryLoadFile(GLSLANG_TEST_DIRECTORY "/" + fileNames[i],
+ "input", &contents);
+ shaders.emplace_back(
+ new glslang::TShader(GetShaderStage(GetSuffix(fileNames[i]))));
+ auto* shader = shaders.back().get();
+ compile(shader, contents, "", controls);
+ result.shaderResults.push_back(
+ {fileNames[i], shader->getInfoLog(), shader->getInfoDebugLog()});
+ }
+
+ // Link all of them.
+ glslang::TProgram program;
+ for (const auto& shader : shaders) program.addShader(shader.get());
+ program.link(controls);
+ result.linkingOutput = program.getInfoLog();
+ result.linkingError = program.getInfoDebugLog();
+
+ std::ostringstream stream;
+ outputResultToStream(&stream, result, controls);
+
+ // Check with expected results.
+ const std::string expectedOutputFname =
+ GLSLANG_TEST_DIRECTORY "/baseResults/" + fileNames.front() + ".out";
+ std::string expectedOutput;
+ tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
+
+ checkEqAndUpdateIfRequested(expectedOutput, stream.str(), expectedOutputFname);
+}
+
+// clang-format off
+INSTANTIATE_TEST_CASE_P(
+ Glsl, LinkTest,
+ ::testing::ValuesIn(std::vector<std::vector<std::string>>({
+ {"mains1.frag", "mains2.frag", "noMain1.geom", "noMain2.geom"},
+ {"noMain.vert", "mains.frag"},
+ {"link1.frag", "link2.frag", "link3.frag"},
+ {"recurse1.vert", "recurse1.frag", "recurse2.frag"},
+ {"300link.frag"},
+ {"300link2.frag"},
+ {"300link3.frag"},
+ {"empty.frag", "empty2.frag", "empty3.frag"},
+ {"150.tesc", "150.tese", "400.tesc", "400.tese", "410.tesc", "420.tesc", "420.tese"},
+ {"max_vertices_0.geom"},
+ })),
+);
+// clang-format on
+
+} // anonymous namespace
+} // namespace glslangtest
}
}
+ 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 {
- const std::string compilationOutput;
- const std::string compilationError;
- const std::string linkingOutput;
- const std::string linkingError;
- const std::string spirvWarningsErrors;
- const std::string spirv; // Optional SPIR-V disassembly text.
+ std::vector<ShaderResult> shaderResults;
+ std::string linkingOutput;
+ std::string linkingError;
+ std::string spirvWarningsErrors;
+ std::string spirv; // Optional SPIR-V disassembly text.
};
- // Compiles and links the given source |code| of the given shader
- // |stage| into the given |target| under the given |semantics|. Returns
- // a GlslangResult instance containing all the information generated
- // during the process. If |target| is Target::Spirv, also disassembles
- // the result and returns disassembly text.
- GlslangResult compile(const std::string& code, Source source,
- const std::string& stage, Semantics semantics,
- Target target, const std::string& entryPointName)
+ // 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 char* shaderStrings = code.data();
const int shaderLengths = static_cast<int>(code.size());
- const EShLanguage kind = GetShaderStage(stage);
- glslang::TShader shader(kind);
- shader.setStringsWithLengths(&shaderStrings, &shaderLengths, 1);
- if (!entryPointName.empty()) shader.setEntryPoint(entryPointName.c_str());
- const EShMessages messages = DeriveOptions(source, semantics, target);
+ shader->setStringsWithLengths(&shaderStrings, &shaderLengths, 1);
+ if (!entryPointName.empty()) shader->setEntryPoint(entryPointName.c_str());
// Reinitialize glslang if the semantics change.
GlslangInitializer::InitializationToken token =
- GlobalTestSettings.initializer->acquire(messages);
- bool success =
- shader.parse(&glslang::DefaultTBuiltInResource, defaultVersion,
- isForwardCompatible, messages);
+ GlobalTestSettings.initializer->acquire(controls);
+ return shader->parse(&glslang::DefaultTBuiltInResource, defaultVersion,
+ isForwardCompatible, controls);
+ }
+
+ // 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)
+ {
+ const EShLanguage kind = GetShaderStage(GetSuffix(shaderName));
+
+ glslang::TShader shader(kind);
+ bool success = compile(&shader, code, entryPointName, controls);
glslang::TProgram program;
program.addShader(&shader);
- success &= program.link(messages);
+ success &= program.link(controls);
spv::SpvBuildLogger logger;
- if (success && (target == Target::Spv || target == Target::BothASTAndSpv)) {
+ if (success && (controls & EShMsgSpvRules)) {
std::vector<uint32_t> spirv_binary;
glslang::GlslangToSpv(*program.getIntermediate(kind),
spirv_binary, &logger);
std::ostringstream disassembly_stream;
spv::Parameterize();
spv::Disassemble(disassembly_stream, spirv_binary);
- return {shader.getInfoLog(), shader.getInfoDebugLog(),
+ return {{{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},},
program.getInfoLog(), program.getInfoDebugLog(),
logger.getAllMessages(), disassembly_stream.str()};
} else {
- return {shader.getInfoLog(), shader.getInfoDebugLog(),
- program.getInfoLog(), program.getInfoDebugLog(),
- "", ""};
+ return {{{shaderName, shader.getInfoLog(), shader.getInfoDebugLog()},},
+ program.getInfoLog(), program.getInfoDebugLog(), "", ""};
+ }
+ }
+
+ 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);
+ *stream << result.spirvWarningsErrors;
+
+ if (controls & EShMsgSpvRules) {
+ *stream
+ << (result.spirv.empty()
+ ? "SPIR-V is not generated for failed compile or link\n"
+ : result.spirv);
}
}
tryLoadFile(inputFname, "input", &input);
tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
+ const EShMessages controls = DeriveOptions(source, semantics, target);
GlslangResult result =
- compile(input, source, GetSuffix(testName),
- semantics, target, entryPointName);
+ compileAndLink(testName, input, entryPointName, controls);
// Generate the hybrid output in the way of glslangValidator.
std::ostringstream stream;
-
- const auto outputIfNotEmpty = [&stream](const std::string& str) {
- if (!str.empty()) stream << str << "\n";
- };
-
- stream << testName << "\n";
- outputIfNotEmpty(result.compilationOutput);
- outputIfNotEmpty(result.compilationError);
- outputIfNotEmpty(result.linkingOutput);
- outputIfNotEmpty(result.linkingError);
- stream << result.spirvWarningsErrors;
- if (target == Target::Spv || target == Target::BothASTAndSpv) {
- stream
- << (result.spirv.empty()
- ? "SPIR-V is not generated for failed compile or link\n"
- : result.spirv);
- }
+ outputResultToStream(&stream, result, controls);
checkEqAndUpdateIfRequested(expectedOutput, stream.str(),
expectedOutputFname);