mirror of
https://github.com/KhronosGroup/SPIRV-Tools
synced 2024-11-27 13:50:07 +00:00
113 lines
3.9 KiB
C++
113 lines
3.9 KiB
C++
// Copyright (c) 2016 Google Inc.
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//
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// Permission is hereby granted, free of charge, to any person obtaining a
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// copy of this software and/or associated documentation files (the
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// "Materials"), to deal in the Materials without restriction, including
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// without limitation the rights to use, copy, modify, merge, publish,
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// distribute, sublicense, and/or sell copies of the Materials, and to
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// permit persons to whom the Materials are furnished to do so, subject to
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// the following conditions:
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//
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// The above copyright notice and this permission notice shall be included
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// in all copies or substantial portions of the Materials.
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//
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// MODIFICATIONS TO THIS FILE MAY MEAN IT NO LONGER ACCURATELY REFLECTS
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// KHRONOS STANDARDS. THE UNMODIFIED, NORMATIVE VERSIONS OF KHRONOS
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// SPECIFICATIONS AND HEADER INFORMATION ARE LOCATED AT
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// https://www.khronos.org/registry/
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//
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// THE MATERIALS ARE PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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// EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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// MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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// IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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// CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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// TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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// MATERIALS OR THE USE OR OTHER DEALINGS IN THE MATERIALS.
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#include "libspirv.hpp"
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#include "ir_loader.h"
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namespace spvtools {
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namespace {
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// Sets the module header. Meets the interface requirement of spvBinaryParse().
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spv_result_t SetSpvHeader(void* builder, spv_endianness_t, uint32_t magic,
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uint32_t version, uint32_t generator,
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uint32_t id_bound, uint32_t reserved) {
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reinterpret_cast<ir::IrLoader*>(builder)->SetModuleHeader(
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magic, version, generator, id_bound, reserved);
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return SPV_SUCCESS;
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};
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// Processes a parsed instruction. Meets the interface requirement of
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// spvBinaryParse().
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spv_result_t SetSpvInst(void* builder, const spv_parsed_instruction_t* inst) {
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reinterpret_cast<ir::IrLoader*>(builder)->AddInstruction(inst);
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return SPV_SUCCESS;
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};
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} // annoymous namespace
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spv_result_t SpvTools::Assemble(const std::string& text,
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std::vector<uint32_t>* binary) {
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spv_binary spvbinary = nullptr;
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spv_diagnostic diagnostic = nullptr;
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spv_result_t status = spvTextToBinary(context_, text.data(), text.size(),
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&spvbinary, &diagnostic);
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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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spvDiagnosticDestroy(diagnostic);
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spvBinaryDestroy(spvbinary);
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return status;
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}
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spv_result_t SpvTools::Disassemble(const std::vector<uint32_t>& binary,
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std::string* text, uint32_t options) {
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spv_text spvtext = nullptr;
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spv_diagnostic diagnostic = nullptr;
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spv_result_t status = spvBinaryToText(context_, binary.data(), binary.size(),
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options, &spvtext, &diagnostic);
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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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spvDiagnosticDestroy(diagnostic);
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spvTextDestroy(spvtext);
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return status;
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}
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std::unique_ptr<ir::Module> SpvTools::BuildModule(
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const std::vector<uint32_t>& binary) {
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spv_diagnostic diagnostic = nullptr;
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std::unique_ptr<ir::Module> module(new ir::Module);
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ir::IrLoader loader(module.get());
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spv_result_t status =
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spvBinaryParse(context_, &loader, binary.data(), binary.size(),
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SetSpvHeader, SetSpvInst, &diagnostic);
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spvDiagnosticDestroy(diagnostic);
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loader.EndModule();
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if (status == SPV_SUCCESS) return module;
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return nullptr;
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}
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std::unique_ptr<ir::Module> SpvTools::BuildModule(const std::string& text) {
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std::vector<uint32_t> binary;
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if (Assemble(text, &binary) != SPV_SUCCESS) return nullptr;
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return BuildModule(binary);
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}
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} // namespace spvtools
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