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// Copyright 2021 The Dawn Authors
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
// http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.
#include "dawn_native/SpirvValidation.h"
#include "dawn_native/Device.h"
#include <spirv-tools/libspirv.hpp>
#include <sstream>
namespace dawn_native {
MaybeError ValidateSpirv(DeviceBase* device,
const std::vector<uint32_t>& spirv,
bool dumpSpirv) {
spvtools::SpirvTools spirvTools(SPV_ENV_VULKAN_1_1);
spirvTools.SetMessageConsumer([device](spv_message_level_t level, const char*,
const spv_position_t& position,
const char* message) {
WGPULoggingType wgpuLogLevel;
switch (level) {
case SPV_MSG_FATAL:
case SPV_MSG_INTERNAL_ERROR:
case SPV_MSG_ERROR:
wgpuLogLevel = WGPULoggingType_Error;
break;
case SPV_MSG_WARNING:
wgpuLogLevel = WGPULoggingType_Warning;
break;
case SPV_MSG_INFO:
wgpuLogLevel = WGPULoggingType_Info;
break;
default:
wgpuLogLevel = WGPULoggingType_Error;
break;
}
std::ostringstream ss;
ss << "SPIRV line " << position.index << ": " << message << std::endl;
device->EmitLog(wgpuLogLevel, ss.str().c_str());
});
const bool valid = spirvTools.Validate(spirv);
if (dumpSpirv || !valid) {
std::ostringstream dumpedMsg;
std::string disassembly;
if (spirvTools.Disassemble(
spirv, &disassembly,
SPV_BINARY_TO_TEXT_OPTION_FRIENDLY_NAMES | SPV_BINARY_TO_TEXT_OPTION_INDENT)) {
dumpedMsg << "/* Dumped generated SPIRV disassembly */" << std::endl << disassembly;
} else {
dumpedMsg << "/* Failed to disassemble generated SPIRV */";
}
device->EmitLog(WGPULoggingType_Info, dumpedMsg.str().c_str());
}
DAWN_INVALID_IF(!valid,
"Produced invalid SPIRV. Please file a bug at https://crbug.com/tint.");
return {};
}
} // namespace dawn_native