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https://git.suyu.dev/suyu/sirit.git
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42248408a9
All instructions but OpVariable and OpLabel are automatically emitted. These functions have to call AddLocalVariable/AddGlobalVariable or AddLabel respectively.
149 lines
4 KiB
C++
149 lines
4 KiB
C++
/* This file is part of the sirit project.
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* Copyright (c) 2019 sirit
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* This software may be used and distributed according to the terms of the
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* 3-Clause BSD License
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*/
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#include <algorithm>
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#include <cassert>
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#include "common_types.h"
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#include "op.h"
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#include "sirit/sirit.h"
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#include "stream.h"
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namespace Sirit {
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template <typename T>
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static void WriteSet(Stream& stream, const T& set) {
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for (const auto& item : set) {
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item->Write(stream);
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}
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}
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Module::Module(u32 version) : version(version) {}
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Module::~Module() = default;
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std::vector<u32> Module::Assemble() const {
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std::vector<u32> bytes;
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Stream stream{bytes};
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stream.Write(spv::MagicNumber);
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stream.Write(version);
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stream.Write(GENERATOR_MAGIC_NUMBER);
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stream.Write(bound);
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stream.Write(static_cast<u32>(0));
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for (const auto capability : capabilities) {
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Op op(spv::Op::OpCapability);
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op.Add(static_cast<u32>(capability));
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op.Write(stream);
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}
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for (const auto& extension_name : extensions) {
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Op op(spv::Op::OpExtension);
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op.Add(extension_name);
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op.Write(stream);
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}
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if (glsl_std_450) {
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glsl_std_450->Write(stream);
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}
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Op memory_model_ref{spv::Op::OpMemoryModel};
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memory_model_ref.Add(static_cast<u32>(addressing_model));
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memory_model_ref.Add(static_cast<u32>(memory_model));
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memory_model_ref.Write(stream);
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WriteSet(stream, entry_points);
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WriteSet(stream, execution_modes);
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WriteSet(stream, debug);
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WriteSet(stream, annotations);
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WriteSet(stream, declarations);
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WriteSet(stream, global_variables);
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WriteSet(stream, code);
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return bytes;
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}
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void Module::AddExtension(std::string extension_name) {
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extensions.insert(std::move(extension_name));
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}
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void Module::AddCapability(spv::Capability capability) {
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capabilities.insert(capability);
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}
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void Module::SetMemoryModel(spv::AddressingModel addressing_model_, spv::MemoryModel memory_model_) {
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this->addressing_model = addressing_model_;
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this->memory_model = memory_model_;
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}
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void Module::AddEntryPoint(spv::ExecutionModel execution_model, Id entry_point,
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std::string name, const std::vector<Id>& interfaces) {
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auto op{std::make_unique<Op>(spv::Op::OpEntryPoint)};
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op->Add(static_cast<u32>(execution_model));
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op->Add(entry_point);
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op->Add(std::move(name));
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op->Add(interfaces);
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entry_points.push_back(std::move(op));
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}
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void Module::AddExecutionMode(Id entry_point, spv::ExecutionMode mode,
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const std::vector<Literal>& literals) {
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auto op{std::make_unique<Op>(spv::Op::OpExecutionMode)};
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op->Add(entry_point);
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op->Add(static_cast<u32>(mode));
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op->Add(literals);
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execution_modes.push_back(std::move(op));
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}
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Id Module::AddLabel(Id label) {
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assert(label != nullptr);
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return code.emplace_back(label);
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}
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Id Module::AddLocalVariable(Id variable) {
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assert(variable != nullptr);
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return code.emplace_back(variable);
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}
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Id Module::AddGlobalVariable(Id variable) {
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assert(variable);
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return global_variables.emplace_back(variable);
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}
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Id Module::AddCode(std::unique_ptr<Op> op) {
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const Id id = code_store.emplace_back(std::move(op)).get();
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return code.emplace_back(id);
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}
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Id Module::AddCode(spv::Op opcode, std::optional<u32> id) {
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return AddCode(std::make_unique<Op>(opcode, id));
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}
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Id Module::AddDeclaration(std::unique_ptr<Op> op) {
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const auto& found{std::find_if(declarations.begin(), declarations.end(),
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[&op](const auto& other) { return *other == *op; })};
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if (found != declarations.end()) {
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return found->get();
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}
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const auto id = op.get();
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declarations.push_back(std::move(op));
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bound++;
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return id;
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}
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void Module::AddAnnotation(std::unique_ptr<Op> op) {
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annotations.push_back(std::move(op));
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}
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Id Module::GetGLSLstd450() {
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if (!glsl_std_450) {
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glsl_std_450 = std::make_unique<Op>(spv::Op::OpExtInstImport, bound++);
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glsl_std_450->Add("GLSL.std.450");
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}
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return glsl_std_450.get();
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}
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} // namespace Sirit
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