//
// Copyright (C) 2014-2016 LunarG, Inc.
-// Copyright (C) 2018 Google, Inc.
+// Copyright (C) 2018-2020 Google, Inc.
//
// All rights reserved.
//
#include "SpvTools.h"
#include "spirv-tools/optimizer.hpp"
-#include "spirv-tools/libspirv.h"
namespace glslang {
spv_target_env MapToSpirvToolsEnv(const SpvVersion& spvVersion, spv::SpvBuildLogger* logger)
{
switch (spvVersion.vulkan) {
- case glslang::EShTargetVulkan_1_0: return spv_target_env::SPV_ENV_VULKAN_1_0;
- case glslang::EShTargetVulkan_1_1: return spv_target_env::SPV_ENV_VULKAN_1_1;
+ case glslang::EShTargetVulkan_1_0:
+ return spv_target_env::SPV_ENV_VULKAN_1_0;
+ case glslang::EShTargetVulkan_1_1:
+ switch (spvVersion.spv) {
+ case EShTargetSpv_1_0:
+ case EShTargetSpv_1_1:
+ case EShTargetSpv_1_2:
+ case EShTargetSpv_1_3:
+ return spv_target_env::SPV_ENV_VULKAN_1_1;
+ case EShTargetSpv_1_4:
+ return spv_target_env::SPV_ENV_VULKAN_1_1_SPIRV_1_4;
+ default:
+ logger->missingFunctionality("Target version for SPIRV-Tools validator");
+ return spv_target_env::SPV_ENV_VULKAN_1_1;
+ }
+ case glslang::EShTargetVulkan_1_2:
+ return spv_target_env::SPV_ENV_VULKAN_1_2;
+ case glslang::EShTargetVulkan_1_3:
+ return spv_target_env::SPV_ENV_VULKAN_1_3;
default:
break;
}
return spv_target_env::SPV_ENV_UNIVERSAL_1_0;
}
+// Callback passed to spvtools::Optimizer::SetMessageConsumer
+void OptimizerMesssageConsumer(spv_message_level_t level, const char *source,
+ const spv_position_t &position, const char *message)
+{
+ auto &out = std::cerr;
+ switch (level)
+ {
+ case SPV_MSG_FATAL:
+ case SPV_MSG_INTERNAL_ERROR:
+ case SPV_MSG_ERROR:
+ out << "error: ";
+ break;
+ case SPV_MSG_WARNING:
+ out << "warning: ";
+ break;
+ case SPV_MSG_INFO:
+ case SPV_MSG_DEBUG:
+ out << "info: ";
+ break;
+ default:
+ break;
+ }
+ if (source)
+ {
+ out << source << ":";
+ }
+ out << position.line << ":" << position.column << ":" << position.index << ":";
+ if (message)
+ {
+ out << " " << message;
+ }
+ out << std::endl;
+}
-// Use the SPIRV-Tools disassembler to print SPIR-V.
+// Use the SPIRV-Tools disassembler to print SPIR-V using a SPV_ENV_UNIVERSAL_1_3 environment.
void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv)
{
+ SpirvToolsDisassemble(out, spirv, spv_target_env::SPV_ENV_UNIVERSAL_1_3);
+}
+
+// Use the SPIRV-Tools disassembler to print SPIR-V with a provided SPIR-V environment.
+void SpirvToolsDisassemble(std::ostream& out, const std::vector<unsigned int>& spirv,
+ spv_target_env requested_context)
+{
// disassemble
- spv_context context = spvContextCreate(SPV_ENV_UNIVERSAL_1_3);
+ spv_context context = spvContextCreate(requested_context);
spv_text text;
spv_diagnostic diagnostic = nullptr;
spvBinaryToText(context, spirv.data(), spirv.size(),
// Apply the SPIRV-Tools validator to generated SPIR-V.
void SpirvToolsValidate(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
- spv::SpvBuildLogger* logger)
+ spv::SpvBuildLogger* logger, bool prelegalization)
{
// validate
spv_context context = spvContextCreate(MapToSpirvToolsEnv(intermediate.getSpv(), logger));
spv_diagnostic diagnostic = nullptr;
spv_validator_options options = spvValidatorOptionsCreate();
spvValidatorOptionsSetRelaxBlockLayout(options, intermediate.usingHlslOffsets());
+ spvValidatorOptionsSetBeforeHlslLegalization(options, prelegalization);
+ spvValidatorOptionsSetScalarBlockLayout(options, intermediate.usingScalarBlockLayout());
+ spvValidatorOptionsSetWorkgroupScalarBlockLayout(options, intermediate.usingScalarBlockLayout());
spvValidateWithOptions(context, options, &binary, &diagnostic);
// report
spvContextDestroy(context);
}
-// Apply the SPIRV-Tools optimizer to generated SPIR-V, for the purpose of
-// legalizing HLSL SPIR-V.
-void SpirvToolsLegalize(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
- spv::SpvBuildLogger* logger, const SpvOptions* options)
+// Apply the SPIRV-Tools optimizer to generated SPIR-V. HLSL SPIR-V is legalized in the process.
+void SpirvToolsTransform(const glslang::TIntermediate& intermediate, std::vector<unsigned int>& spirv,
+ spv::SpvBuildLogger* logger, const SpvOptions* options)
{
- spv_target_env target_env = SPV_ENV_UNIVERSAL_1_2;
+ spv_target_env target_env = MapToSpirvToolsEnv(intermediate.getSpv(), logger);
spvtools::Optimizer optimizer(target_env);
- optimizer.SetMessageConsumer(
- [](spv_message_level_t level, const char *source, const spv_position_t &position, const char *message) {
- auto &out = std::cerr;
- switch (level)
- {
- case SPV_MSG_FATAL:
- case SPV_MSG_INTERNAL_ERROR:
- case SPV_MSG_ERROR:
- out << "error: ";
- break;
- case SPV_MSG_WARNING:
- out << "warning: ";
- break;
- case SPV_MSG_INFO:
- case SPV_MSG_DEBUG:
- out << "info: ";
- break;
- default:
- break;
- }
- if (source)
- {
- out << source << ":";
- }
- out << position.line << ":" << position.column << ":" << position.index << ":";
- if (message)
- {
- out << " " << message;
- }
- out << std::endl;
- });
-
+ optimizer.SetMessageConsumer(OptimizerMesssageConsumer);
+
+ // If debug (specifically source line info) is being generated, propagate
+ // line information into all SPIR-V instructions. This avoids loss of
+ // information when instructions are deleted or moved. Later, remove
+ // redundant information to minimize final SPRIR-V size.
+ if (options->stripDebugInfo) {
+ optimizer.RegisterPass(spvtools::CreateStripDebugInfoPass());
+ }
+ optimizer.RegisterPass(spvtools::CreateWrapOpKillPass());
+ optimizer.RegisterPass(spvtools::CreateDeadBranchElimPass());
optimizer.RegisterPass(spvtools::CreateMergeReturnPass());
optimizer.RegisterPass(spvtools::CreateInlineExhaustivePass());
optimizer.RegisterPass(spvtools::CreateEliminateDeadFunctionsPass());
optimizer.RegisterPass(spvtools::CreateAggressiveDCEPass());
optimizer.RegisterPass(spvtools::CreateVectorDCEPass());
optimizer.RegisterPass(spvtools::CreateDeadInsertElimPass());
+ optimizer.RegisterPass(spvtools::CreateInterpolateFixupPass());
if (options->optimizeSize) {
optimizer.RegisterPass(spvtools::CreateRedundancyEliminationPass());
- // TODO(greg-lunarg): Add this when AMD driver issues are resolved
- // optimizer.RegisterPass(CreateCommonUniformElimPass());
+ if (intermediate.getStage() == EShLanguage::EShLangVertex)
+ optimizer.RegisterPass(spvtools::CreateEliminateDeadInputComponentsPass());
}
optimizer.RegisterPass(spvtools::CreateAggressiveDCEPass());
optimizer.RegisterPass(spvtools::CreateCFGCleanupPass());
- optimizer.Run(spirv.data(), spirv.size(), &spirv, spvtools::ValidatorOptions(), true);
+ spvtools::OptimizerOptions spvOptOptions;
+ optimizer.SetTargetEnv(MapToSpirvToolsEnv(intermediate.getSpv(), logger));
+ spvOptOptions.set_run_validator(false); // The validator may run as a separate step later on
+ optimizer.Run(spirv.data(), spirv.size(), &spirv, spvOptOptions);
}
-#endif
+// Apply the SPIRV-Tools optimizer to strip debug info from SPIR-V. This is implicitly done by
+// SpirvToolsTransform if spvOptions->stripDebugInfo is set, but can be called separately if
+// optimization is disabled.
+void SpirvToolsStripDebugInfo(const glslang::TIntermediate& intermediate,
+ std::vector<unsigned int>& spirv, spv::SpvBuildLogger* logger)
+{
+ spv_target_env target_env = MapToSpirvToolsEnv(intermediate.getSpv(), logger);
+
+ spvtools::Optimizer optimizer(target_env);
+ optimizer.SetMessageConsumer(OptimizerMesssageConsumer);
+
+ optimizer.RegisterPass(spvtools::CreateStripDebugInfoPass());
+
+ spvtools::OptimizerOptions spvOptOptions;
+ optimizer.SetTargetEnv(MapToSpirvToolsEnv(intermediate.getSpv(), logger));
+ spvOptOptions.set_run_validator(false); // The validator may run as a separate step later on
+ optimizer.Run(spirv.data(), spirv.size(), &spirv, spvOptOptions);
+}
}; // end namespace glslang
+
+#endif
projects / platform / upstream / glslang.git / blobdiff