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356 lines
16 KiB
C++
356 lines
16 KiB
C++
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//
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// Copyright (C) 2016-2017 Google, Inc.
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// Copyright (C) 2020 The Khronos Group 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 3Dlabs Inc. Ltd. 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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//
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#include <algorithm>
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#include <gtest/gtest.h>
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#include "TestFixture.h"
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#include "glslang/MachineIndependent/iomapper.h"
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#include "glslang/MachineIndependent/reflection.h"
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#ifndef GLSLANG_WEB
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namespace glslangtest {
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namespace {
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struct IoMapData {
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std::vector<std::string> fileNames;
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Semantics semantics;
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};
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using GlslMapIOTest = GlslangTest <::testing::TestWithParam<IoMapData>>;
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template<class T>
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std::string interfaceName(T symbol) {
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return symbol.getType()->getBasicType() == glslang::EbtBlock ? std::string(symbol.getType()->getTypeName().c_str()) : symbol.name;
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}
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bool verifyIOMapping(std::string& linkingError, glslang::TProgram& program) {
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bool success = true;
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// Verify IO Mapping by generating reflection for each stage individually
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// and comparing layout qualifiers on the results
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int reflectionOptions = EShReflectionDefault;
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//reflectionOptions |= EShReflectionStrictArraySuffix;
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//reflectionOptions |= EShReflectionBasicArraySuffix;
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reflectionOptions |= EShReflectionIntermediateIO;
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reflectionOptions |= EShReflectionSeparateBuffers;
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reflectionOptions |= EShReflectionAllBlockVariables;
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//reflectionOptions |= EShReflectionUnwrapIOBlocks;
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success &= program.buildReflection(reflectionOptions);
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// check that the reflection output from the individual stages all makes sense..
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std::vector<glslang::TReflection> stageReflections;
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for (int s = 0; s < EShLangCount; ++s) {
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if (program.getIntermediate((EShLanguage)s)) {
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stageReflections.emplace_back((EShReflectionOptions)reflectionOptions, (EShLanguage)s, (EShLanguage)s);
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success &= stageReflections.back().addStage((EShLanguage)s, *program.getIntermediate((EShLanguage)s));
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}
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}
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// check that input/output locations match between stages
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auto it = stageReflections.begin();
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auto nextIt = it + 1;
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for (; nextIt != stageReflections.end(); it++, nextIt++) {
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int numOut = it->getNumPipeOutputs();
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std::map<std::string, const glslang::TObjectReflection*> pipeOut;
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for (int i = 0; i < numOut; i++) {
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const glslang::TObjectReflection& out = it->getPipeOutput(i);
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std::string name = interfaceName(out);
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pipeOut[name] = &out;
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}
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int numIn = nextIt->getNumPipeInputs();
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for (int i = 0; i < numIn; i++) {
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auto in = nextIt->getPipeInput(i);
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std::string name = interfaceName(in);
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auto out = pipeOut.find(name);
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if (out != pipeOut.end()) {
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auto inQualifier = in.getType()->getQualifier();
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auto outQualifier = out->second->getType()->getQualifier();
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success &= outQualifier.layoutLocation == inQualifier.layoutLocation;
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}
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else {
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if (!in.getType()->isStruct()) {
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bool found = false;
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for (auto outIt : pipeOut) {
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if (outIt.second->getType()->isStruct()) {
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unsigned int baseLoc = outIt.second->getType()->getQualifier().hasLocation() ?
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outIt.second->getType()->getQualifier().layoutLocation :
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std::numeric_limits<unsigned int>::max();
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for (size_t j = 0; j < outIt.second->getType()->getStruct()->size(); j++) {
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baseLoc = (*outIt.second->getType()->getStruct())[j].type->getQualifier().hasLocation() ?
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(*outIt.second->getType()->getStruct())[j].type->getQualifier().layoutLocation : baseLoc;
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if (baseLoc != std::numeric_limits<unsigned int>::max()) {
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if (baseLoc == in.getType()->getQualifier().layoutLocation) {
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found = true;
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break;
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}
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baseLoc += glslang::TIntermediate::computeTypeLocationSize(*(*outIt.second->getType()->getStruct())[j].type, EShLangVertex);
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}
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}
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if (found) {
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break;
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}
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}
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}
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success &= found;
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}
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else {
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unsigned int baseLoc = in.getType()->getQualifier().hasLocation() ? in.getType()->getQualifier().layoutLocation : -1;
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for (size_t j = 0; j < in.getType()->getStruct()->size(); j++) {
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baseLoc = (*in.getType()->getStruct())[j].type->getQualifier().hasLocation() ?
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(*in.getType()->getStruct())[j].type->getQualifier().layoutLocation : baseLoc;
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if (baseLoc != std::numeric_limits<unsigned int>::max()) {
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bool isMemberFound = false;
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for (auto outIt : pipeOut) {
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if (baseLoc == outIt.second->getType()->getQualifier().layoutLocation) {
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isMemberFound = true;
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break;
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}
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}
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if (!isMemberFound) {
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success &= false;
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break;
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}
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baseLoc += glslang::TIntermediate::computeTypeLocationSize(*(*in.getType()->getStruct())[j].type, EShLangVertex);
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}
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}
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}
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}
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}
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}
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// compare uniforms in each stage to the program
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{
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int totalUniforms = program.getNumUniformVariables();
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std::map<std::string, const glslang::TObjectReflection*> programUniforms;
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for (int i = 0; i < totalUniforms; i++) {
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const glslang::TObjectReflection& uniform = program.getUniform(i);
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std::string name = interfaceName(uniform);
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programUniforms[name] = &uniform;
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}
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it = stageReflections.begin();
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for (; it != stageReflections.end(); it++) {
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int numUniform = it->getNumUniforms();
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std::map<std::string, glslang::TObjectReflection> uniforms;
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for (int i = 0; i < numUniform; i++) {
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glslang::TObjectReflection uniform = it->getUniform(i);
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std::string name = interfaceName(uniform);
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auto programUniform = programUniforms.find(name);
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if (programUniform != programUniforms.end()) {
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auto stageQualifier = uniform.getType()->getQualifier();
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auto programQualifier = programUniform->second->getType()->getQualifier();
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success &= stageQualifier.layoutLocation == programQualifier.layoutLocation;
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success &= stageQualifier.layoutBinding == programQualifier.layoutBinding;
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success &= stageQualifier.layoutSet == programQualifier.layoutSet;
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}
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else {
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success &= false;
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}
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}
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}
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}
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// compare uniform blocks in each stage to the program table
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{
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int totalUniforms = program.getNumUniformBlocks();
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std::map<std::string, const glslang::TObjectReflection*> programUniforms;
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for (int i = 0; i < totalUniforms; i++) {
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const glslang::TObjectReflection& uniform = program.getUniformBlock(i);
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std::string name = interfaceName(uniform);
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programUniforms[name] = &uniform;
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}
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it = stageReflections.begin();
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for (; it != stageReflections.end(); it++) {
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int numUniform = it->getNumUniformBlocks();
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std::map<std::string, glslang::TObjectReflection> uniforms;
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for (int i = 0; i < numUniform; i++) {
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glslang::TObjectReflection uniform = it->getUniformBlock(i);
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std::string name = interfaceName(uniform);
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auto programUniform = programUniforms.find(name);
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if (programUniform != programUniforms.end()) {
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auto stageQualifier = uniform.getType()->getQualifier();
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auto programQualifier = programUniform->second->getType()->getQualifier();
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success &= stageQualifier.layoutLocation == programQualifier.layoutLocation;
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success &= stageQualifier.layoutBinding == programQualifier.layoutBinding;
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success &= stageQualifier.layoutSet == programQualifier.layoutSet;
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}
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else {
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success &= false;
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}
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}
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}
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}
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if (!success) {
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linkingError += "Mismatched cross-stage IO\n";
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}
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return success;
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}
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TEST_P(GlslMapIOTest, FromFile)
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{
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const auto& fileNames = GetParam().fileNames;
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Semantics semantics = GetParam().semantics;
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const size_t fileCount = fileNames.size();
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const EShMessages controls = DeriveOptions(Source::GLSL, semantics, Target::BothASTAndSpv);
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GlslangResult result;
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// Compile each input shader file.
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bool success = true;
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std::vector<std::unique_ptr<glslang::TShader>> shaders;
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for (size_t i = 0; i < fileCount; ++i) {
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std::string contents;
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tryLoadFile(GlobalTestSettings.testRoot + "/" + fileNames[i],
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"input", &contents);
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shaders.emplace_back(
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new glslang::TShader(GetShaderStage(GetSuffix(fileNames[i]))));
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auto* shader = shaders.back().get();
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shader->setAutoMapLocations(true);
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shader->setAutoMapBindings(true);
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if (controls & EShMsgSpvRules) {
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if (controls & EShMsgVulkanRules) {
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shader->setEnvInput((controls & EShMsgReadHlsl) ? glslang::EShSourceHlsl
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: glslang::EShSourceGlsl,
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shader->getStage(), glslang::EShClientVulkan, 100);
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shader->setEnvClient(glslang::EShClientVulkan, glslang::EShTargetVulkan_1_1);
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shader->setEnvTarget(glslang::EShTargetSpv, glslang::EShTargetSpv_1_0);
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} else {
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shader->setEnvInput((controls & EShMsgReadHlsl) ? glslang::EShSourceHlsl
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: glslang::EShSourceGlsl,
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shader->getStage(), glslang::EShClientOpenGL, 100);
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shader->setEnvClient(glslang::EShClientOpenGL, glslang::EShTargetOpenGL_450);
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shader->setEnvTarget(glslang::EshTargetSpv, glslang::EShTargetSpv_1_0);
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}
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}
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success &= compile(shader, contents, "", controls);
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result.shaderResults.push_back(
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{ fileNames[i], shader->getInfoLog(), shader->getInfoDebugLog() });
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}
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// Link all of them.
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glslang::TProgram program;
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for (const auto& shader : shaders) program.addShader(shader.get());
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success &= program.link(controls);
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result.linkingOutput = program.getInfoLog();
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result.linkingError = program.getInfoDebugLog();
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unsigned int stage = 0;
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glslang::TIntermediate* firstIntermediate = nullptr;
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while (!program.getIntermediate((EShLanguage)stage) && stage < EShLangCount) { stage++; }
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firstIntermediate = program.getIntermediate((EShLanguage)stage);
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glslang::TDefaultGlslIoResolver resolver(*firstIntermediate);
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glslang::TGlslIoMapper ioMapper;
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if (success) {
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success &= program.mapIO(&resolver, &ioMapper);
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result.linkingOutput = program.getInfoLog();
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result.linkingError = program.getInfoDebugLog();
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}
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success &= verifyIOMapping(result.linkingError, program);
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result.validationResult = success;
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if (success && (controls & EShMsgSpvRules)) {
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for (int stage = 0; stage < EShLangCount; ++stage) {
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if (program.getIntermediate((EShLanguage)stage)) {
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spv::SpvBuildLogger logger;
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std::vector<uint32_t> spirv_binary;
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options().disableOptimizer = false;
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glslang::GlslangToSpv(*program.getIntermediate((EShLanguage)stage),
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spirv_binary, &logger, &options());
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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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result.spirvWarningsErrors += logger.getAllMessages();
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result.spirv += disassembly_stream.str();
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result.validationResult &= !options().validate || logger.getAllMessages().empty();
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}
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}
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}
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std::ostringstream stream;
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outputResultToStream(&stream, result, controls);
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// Check with expected results.
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const std::string expectedOutputFname =
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GlobalTestSettings.testRoot + "/baseResults/" + fileNames.front() + ".out";
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std::string expectedOutput;
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tryLoadFile(expectedOutputFname, "expected output", &expectedOutput);
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checkEqAndUpdateIfRequested(expectedOutput, stream.str(), expectedOutputFname,
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result.spirvWarningsErrors);
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}
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// clang-format off
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INSTANTIATE_TEST_SUITE_P(
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Glsl, GlslMapIOTest,
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::testing::ValuesIn(std::vector<IoMapData>({
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{{"iomap.crossStage.vert", "iomap.crossStage.frag" }, Semantics::OpenGL},
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{{"iomap.crossStage.2.vert", "iomap.crossStage.2.geom", "iomap.crossStage.2.frag" }, Semantics::OpenGL},
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{{"iomap.blockOutVariableIn.vert", "iomap.blockOutVariableIn.frag"}, Semantics::OpenGL},
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{{"iomap.variableOutBlockIn.vert", "iomap.variableOutBlockIn.frag"}, Semantics::OpenGL},
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{{"iomap.blockOutVariableIn.2.vert", "iomap.blockOutVariableIn.geom"}, Semantics::OpenGL},
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{{"iomap.variableOutBlockIn.2.vert", "iomap.variableOutBlockIn.geom"}, Semantics::OpenGL},
|
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|
|
// vulkan semantics
|
||
|
|
{{"iomap.crossStage.vk.vert", "iomap.crossStage.vk.geom", "iomap.crossStage.vk.frag" }, Semantics::Vulkan},
|
||
|
|
}))
|
||
|
|
);
|
||
|
|
// clang-format on
|
||
|
|
|
||
|
|
} // anonymous namespace
|
||
|
|
} // namespace glslangtest
|
||
|
|
#endif
|