136 lines
4.5 KiB
C++
136 lines
4.5 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include "spirv-tools/libspirv.hpp"
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#include <cassert>
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#include <iostream>
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#include <string>
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#include <utility>
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#include <vector>
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#include "source/table.h"
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namespace spvtools {
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Context::Context(spv_target_env env) : context_(spvContextCreate(env)) {}
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Context::Context(Context&& other) : context_(other.context_) {
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other.context_ = nullptr;
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}
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Context& Context::operator=(Context&& other) {
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spvContextDestroy(context_);
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context_ = other.context_;
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other.context_ = nullptr;
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return *this;
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}
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Context::~Context() { spvContextDestroy(context_); }
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void Context::SetMessageConsumer(MessageConsumer consumer) {
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SetContextMessageConsumer(context_, std::move(consumer));
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}
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spv_context& Context::CContext() { return context_; }
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const spv_context& Context::CContext() const { return context_; }
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// Structs for holding the data members for SpvTools.
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struct SpirvTools::Impl {
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explicit Impl(spv_target_env env) : context(spvContextCreate(env)) {
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// The default consumer in spv_context_t is a null consumer, which provides
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// equivalent functionality (from the user's perspective) as a real consumer
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// does nothing.
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}
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~Impl() { spvContextDestroy(context); }
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spv_context context; // C interface context object.
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};
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SpirvTools::SpirvTools(spv_target_env env) : impl_(new Impl(env)) {
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assert(env != SPV_ENV_WEBGPU_0);
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}
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SpirvTools::~SpirvTools() {}
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void SpirvTools::SetMessageConsumer(MessageConsumer consumer) {
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SetContextMessageConsumer(impl_->context, std::move(consumer));
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}
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bool SpirvTools::Assemble(const std::string& text,
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std::vector<uint32_t>* binary,
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uint32_t options) const {
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return Assemble(text.data(), text.size(), binary, options);
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}
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bool SpirvTools::Assemble(const char* text, const size_t text_size,
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std::vector<uint32_t>* binary,
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uint32_t options) const {
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spv_binary spvbinary = nullptr;
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spv_result_t status = spvTextToBinaryWithOptions(
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impl_->context, text, text_size, options, &spvbinary, nullptr);
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if (status == SPV_SUCCESS) {
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binary->assign(spvbinary->code, spvbinary->code + spvbinary->wordCount);
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}
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spvBinaryDestroy(spvbinary);
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return status == SPV_SUCCESS;
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}
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bool SpirvTools::Disassemble(const std::vector<uint32_t>& binary,
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std::string* text, uint32_t options) const {
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return Disassemble(binary.data(), binary.size(), text, options);
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}
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bool SpirvTools::Disassemble(const uint32_t* binary, const size_t binary_size,
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std::string* text, uint32_t options) const {
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spv_text spvtext = nullptr;
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spv_result_t status = spvBinaryToText(impl_->context, binary, binary_size,
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options, &spvtext, nullptr);
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if (status == SPV_SUCCESS) {
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text->assign(spvtext->str, spvtext->str + spvtext->length);
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}
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spvTextDestroy(spvtext);
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return status == SPV_SUCCESS;
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}
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bool SpirvTools::Validate(const std::vector<uint32_t>& binary) const {
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return Validate(binary.data(), binary.size());
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}
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bool SpirvTools::Validate(const uint32_t* binary,
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const size_t binary_size) const {
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return spvValidateBinary(impl_->context, binary, binary_size, nullptr) ==
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SPV_SUCCESS;
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}
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bool SpirvTools::Validate(const uint32_t* binary, const size_t binary_size,
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spv_validator_options options) const {
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spv_const_binary_t the_binary{binary, binary_size};
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spv_diagnostic diagnostic = nullptr;
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bool valid = spvValidateWithOptions(impl_->context, options, &the_binary,
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&diagnostic) == SPV_SUCCESS;
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if (!valid && impl_->context->consumer) {
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impl_->context->consumer.operator()(
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SPV_MSG_ERROR, nullptr, diagnostic->position, diagnostic->error);
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}
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spvDiagnosticDestroy(diagnostic);
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return valid;
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}
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bool SpirvTools::IsValid() const { return impl_->context != nullptr; }
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} // namespace spvtools
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