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