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https://github.com/yuzu-emu/yuzu.git
synced 2024-08-21 12:03:29 +02:00
shader: Add pools and rename files
This commit is contained in:
parent
be94ee88d2
commit
16cb00c521
@ -1,4 +1,5 @@
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add_executable(shader_recompiler
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backend/spirv/emit_spirv.h
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environment.h
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exception.h
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file_environment.cpp
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@ -17,10 +18,12 @@ add_executable(shader_recompiler
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frontend/ir/ir_emitter.h
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frontend/ir/microinstruction.cpp
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frontend/ir/microinstruction.h
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frontend/ir/opcode.cpp
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frontend/ir/opcode.h
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frontend/ir/opcode.inc
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frontend/ir/opcodes.cpp
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frontend/ir/opcodes.h
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frontend/ir/opcodes.inc
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frontend/ir/pred.h
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frontend/ir/program.cpp
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frontend/ir/program.h
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frontend/ir/reg.h
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frontend/ir/type.cpp
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frontend/ir/type.h
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@ -33,8 +36,8 @@ add_executable(shader_recompiler
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frontend/maxwell/instruction.h
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frontend/maxwell/location.h
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frontend/maxwell/maxwell.inc
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frontend/maxwell/opcode.cpp
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frontend/maxwell/opcode.h
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frontend/maxwell/opcodes.cpp
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frontend/maxwell/opcodes.h
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frontend/maxwell/program.cpp
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frontend/maxwell/program.h
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frontend/maxwell/termination_code.cpp
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@ -67,6 +70,7 @@ add_executable(shader_recompiler
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ir_opt/ssa_rewrite_pass.cpp
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ir_opt/verification_pass.cpp
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main.cpp
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object_pool.h
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)
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target_link_libraries(shader_recompiler PRIVATE fmt::fmt)
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21
src/shader_recompiler/backend/spirv/emit_spirv.h
Normal file
21
src/shader_recompiler/backend/spirv/emit_spirv.h
Normal file
@ -0,0 +1,21 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include "shader_recompiler/frontend/ir/microinstruction.h"
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#include "shader_recompiler/frontend/ir/program.h"
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namespace Shader::Backend::SPIRV {
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class EmitSPIRV {
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public:
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private:
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// Microinstruction emitters
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#define OPCODE(name, result_type, ...) void Emit##name(EmitContext& ctx, IR::Inst* inst);
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#include "shader_recompiler/frontend/ir/opcodes.inc"
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#undef OPCODE
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};
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} // namespace Shader::Backend::SPIRV
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@ -14,7 +14,8 @@
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namespace Shader::IR {
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Block::Block(u32 begin, u32 end) : location_begin{begin}, location_end{end} {}
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Block::Block(ObjectPool<Inst>& inst_pool_, u32 begin, u32 end)
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: inst_pool{&inst_pool_}, location_begin{begin}, location_end{end} {}
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Block::~Block() = default;
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@ -24,7 +25,7 @@ void Block::AppendNewInst(Opcode op, std::initializer_list<Value> args) {
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Block::iterator Block::PrependNewInst(iterator insertion_point, Opcode op,
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std::initializer_list<Value> args, u64 flags) {
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Inst* const inst{std::construct_at(instruction_alloc_pool.allocate(), op, flags)};
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Inst* const inst{inst_pool->Create(op, flags)};
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const auto result_it{instructions.insert(insertion_point, *inst)};
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if (inst->NumArgs() != args.size()) {
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@ -10,9 +10,9 @@
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#include <vector>
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#include <boost/intrusive/list.hpp>
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#include <boost/pool/pool_alloc.hpp>
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#include "shader_recompiler/frontend/ir/microinstruction.h"
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#include "shader_recompiler/object_pool.h"
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namespace Shader::IR {
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@ -25,7 +25,7 @@ public:
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using reverse_iterator = InstructionList::reverse_iterator;
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using const_reverse_iterator = InstructionList::const_reverse_iterator;
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explicit Block(u32 begin, u32 end);
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explicit Block(ObjectPool<Inst>& inst_pool_, u32 begin, u32 end);
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~Block();
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Block(const Block&) = delete;
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@ -119,6 +119,8 @@ public:
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}
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private:
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/// Memory pool for instruction list
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ObjectPool<Inst>* inst_pool;
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/// Starting location of this block
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u32 location_begin;
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/// End location of this block
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@ -127,11 +129,6 @@ private:
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/// List of instructions in this block
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InstructionList instructions;
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/// Memory pool for instruction list
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boost::fast_pool_allocator<Inst, boost::default_user_allocator_malloc_free,
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boost::details::pool::null_mutex>
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instruction_alloc_pool;
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/// Block immediate predecessors
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std::vector<IR::Block*> imm_predecessors;
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};
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@ -4,22 +4,14 @@
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#pragma once
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#include <memory>
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#include <vector>
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#include <boost/container/small_vector.hpp>
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#include "shader_recompiler/frontend/ir/basic_block.h"
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namespace Shader::IR {
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struct Function {
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struct InplaceDelete {
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void operator()(IR::Block* block) const noexcept {
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std::destroy_at(block);
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}
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};
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using UniqueBlock = std::unique_ptr<IR::Block, InplaceDelete>;
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std::vector<UniqueBlock> blocks;
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boost::container::small_vector<Block*, 16> blocks;
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};
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} // namespace Shader::IR
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@ -13,7 +13,7 @@
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#include <boost/intrusive/list.hpp>
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#include "common/common_types.h"
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#include "shader_recompiler/frontend/ir/opcode.h"
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#include "shader_recompiler/frontend/ir/opcodes.h"
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#include "shader_recompiler/frontend/ir/type.h"
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#include "shader_recompiler/frontend/ir/value.h"
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@ -7,7 +7,7 @@
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#include <string_view>
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/ir/opcode.h"
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#include "shader_recompiler/frontend/ir/opcodes.h"
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namespace Shader::IR {
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namespace {
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@ -26,7 +26,7 @@ constexpr std::array META_TABLE{
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.type{type_token}, \
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.arg_types{__VA_ARGS__}, \
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},
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#include "opcode.inc"
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#include "opcodes.inc"
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#undef OPCODE
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};
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@ -14,7 +14,7 @@ namespace Shader::IR {
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enum class Opcode {
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#define OPCODE(name, ...) name,
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#include "opcode.inc"
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#include "opcodes.inc"
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#undef OPCODE
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};
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src/shader_recompiler/frontend/ir/program.cpp
Normal file
38
src/shader_recompiler/frontend/ir/program.cpp
Normal file
@ -0,0 +1,38 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <map>
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#include <string>
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#include <fmt/format.h>
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#include "shader_recompiler/frontend/ir/function.h"
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#include "shader_recompiler/frontend/ir/program.h"
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namespace Shader::IR {
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std::string DumpProgram(const Program& program) {
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size_t index{0};
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std::map<const IR::Inst*, size_t> inst_to_index;
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std::map<const IR::Block*, size_t> block_to_index;
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for (const IR::Function& function : program.functions) {
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for (const IR::Block* const block : function.blocks) {
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block_to_index.emplace(block, index);
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++index;
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}
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}
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std::string ret;
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for (const IR::Function& function : program.functions) {
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ret += fmt::format("Function\n");
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for (const auto& block : function.blocks) {
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ret += IR::DumpBlock(*block, block_to_index, inst_to_index, index) + '\n';
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}
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}
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return ret;
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}
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} // namespace Shader::IR
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src/shader_recompiler/frontend/ir/program.h
Normal file
21
src/shader_recompiler/frontend/ir/program.h
Normal file
@ -0,0 +1,21 @@
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// Copyright 2021 yuzu Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#pragma once
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#include <string>
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#include <boost/container/small_vector.hpp>
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#include "shader_recompiler/frontend/ir/function.h"
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namespace Shader::IR {
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struct Program {
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boost::container::small_vector<Function, 1> functions;
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};
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[[nodiscard]] std::string DumpProgram(const Program& program);
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} // namespace Shader::IR
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@ -3,7 +3,7 @@
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// Refer to the license.txt file included.
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#include "shader_recompiler/frontend/ir/microinstruction.h"
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#include "shader_recompiler/frontend/ir/opcode.h"
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#include "shader_recompiler/frontend/ir/opcodes.h"
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#include "shader_recompiler/frontend/ir/value.h"
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namespace Shader::IR {
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@ -16,7 +16,7 @@
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#include "shader_recompiler/frontend/ir/condition.h"
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#include "shader_recompiler/frontend/maxwell/instruction.h"
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#include "shader_recompiler/frontend/maxwell/location.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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namespace Shader::Maxwell::Flow {
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@ -11,7 +11,7 @@
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#include "common/common_types.h"
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/decode.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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namespace Shader::Maxwell {
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namespace {
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@ -5,7 +5,7 @@
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#pragma once
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#include "common/common_types.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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namespace Shader::Maxwell {
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@ -5,7 +5,7 @@
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#include <array>
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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namespace Shader::Maxwell {
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namespace {
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@ -5,6 +5,7 @@
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#include <algorithm>
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#include <memory>
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#include "shader_recompiler/frontend/ir/basic_block.h"
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#include "shader_recompiler/frontend/maxwell/program.h"
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#include "shader_recompiler/frontend/maxwell/termination_code.h"
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#include "shader_recompiler/frontend/maxwell/translate/translate.h"
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@ -12,17 +13,18 @@
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namespace Shader::Maxwell {
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namespace {
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void TranslateCode(Environment& env, const Flow::Function& cfg_function, IR::Function& function,
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std::span<IR::Block*> block_map, IR::Block* block_memory) {
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void TranslateCode(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
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Environment& env, const Flow::Function& cfg_function, IR::Function& function,
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std::span<IR::Block*> block_map) {
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const size_t num_blocks{cfg_function.blocks.size()};
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function.blocks.reserve(num_blocks);
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for (const Flow::BlockId block_id : cfg_function.blocks) {
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const Flow::Block& flow_block{cfg_function.blocks_data[block_id]};
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function.blocks.emplace_back(std::construct_at(block_memory, Translate(env, flow_block)));
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block_map[flow_block.id] = function.blocks.back().get();
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++block_memory;
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IR::Block* const ir_block{block_pool.Create(Translate(inst_pool, env, flow_block))};
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block_map[flow_block.id] = ir_block;
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function.blocks.emplace_back(ir_block);
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}
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}
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@ -34,21 +36,24 @@ void EmitTerminationInsts(const Flow::Function& cfg_function,
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}
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}
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void TranslateFunction(Environment& env, const Flow::Function& cfg_function, IR::Function& function,
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IR::Block* block_memory) {
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void TranslateFunction(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
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Environment& env, const Flow::Function& cfg_function,
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IR::Function& function) {
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std::vector<IR::Block*> block_map;
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block_map.resize(cfg_function.blocks_data.size());
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TranslateCode(env, cfg_function, function, block_map, block_memory);
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TranslateCode(inst_pool, block_pool, env, cfg_function, function, block_map);
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EmitTerminationInsts(cfg_function, block_map);
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}
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} // Anonymous namespace
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Program::Program(Environment& env, const Flow::CFG& cfg) {
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IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool, ObjectPool<IR::Block>& block_pool,
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Environment& env, const Flow::CFG& cfg) {
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IR::Program program;
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auto& functions{program.functions};
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functions.reserve(cfg.Functions().size());
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for (const Flow::Function& cfg_function : cfg.Functions()) {
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TranslateFunction(env, cfg_function, functions.emplace_back(),
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block_alloc_pool.allocate(cfg_function.blocks.size()));
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TranslateFunction(inst_pool, block_pool, env, cfg_function, functions.emplace_back());
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}
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std::ranges::for_each(functions, Optimization::SsaRewritePass);
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for (IR::Function& function : functions) {
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@ -59,27 +64,7 @@ Program::Program(Environment& env, const Flow::CFG& cfg) {
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Optimization::VerificationPass(function);
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}
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//*/
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}
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std::string DumpProgram(const Program& program) {
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size_t index{0};
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std::map<const IR::Inst*, size_t> inst_to_index;
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std::map<const IR::Block*, size_t> block_to_index;
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for (const IR::Function& function : program.functions) {
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for (const auto& block : function.blocks) {
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block_to_index.emplace(block.get(), index);
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++index;
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}
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}
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std::string ret;
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for (const IR::Function& function : program.functions) {
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ret += fmt::format("Function\n");
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for (const auto& block : function.blocks) {
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ret += IR::DumpBlock(*block, block_to_index, inst_to_index, index) + '\n';
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}
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}
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return ret;
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return program;
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}
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} // namespace Shader::Maxwell
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#include <vector>
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#include <boost/container/small_vector.hpp>
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#include <boost/pool/pool_alloc.hpp>
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#include "shader_recompiler/environment.h"
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#include "shader_recompiler/frontend/ir/basic_block.h"
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#include "shader_recompiler/frontend/ir/function.h"
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#include "shader_recompiler/frontend/ir/program.h"
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#include "shader_recompiler/frontend/maxwell/control_flow.h"
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#include "shader_recompiler/object_pool.h"
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namespace Shader::Maxwell {
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class Program {
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friend std::string DumpProgram(const Program& program);
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public:
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explicit Program(Environment& env, const Flow::CFG& cfg);
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private:
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boost::pool_allocator<IR::Block, boost::default_user_allocator_new_delete,
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boost::details::pool::null_mutex>
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block_alloc_pool;
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boost::container::small_vector<IR::Function, 1> functions;
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};
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[[nodiscard]] std::string DumpProgram(const Program& program);
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[[nodiscard]] IR::Program TranslateProgram(ObjectPool<IR::Inst>& inst_pool,
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ObjectPool<IR::Block>& block_pool, Environment& env,
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const Flow::CFG& cfg);
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} // namespace Shader::Maxwell
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@ -4,7 +4,7 @@
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#include "common/common_types.h"
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
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namespace Shader::Maxwell {
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@ -5,7 +5,7 @@
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#include "common/bit_field.h"
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#include "common/common_types.h"
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
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namespace Shader::Maxwell {
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@ -6,7 +6,7 @@
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#include "common/common_types.h"
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#include "shader_recompiler/exception.h"
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#include "shader_recompiler/frontend/ir/ir_emitter.h"
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#include "shader_recompiler/frontend/maxwell/opcode.h"
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#include "shader_recompiler/frontend/maxwell/opcodes.h"
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#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
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namespace Shader::Maxwell {
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||||
|
@ -5,7 +5,7 @@
|
||||
#include "common/bit_field.h"
|
||||
#include "common/common_types.h"
|
||||
#include "shader_recompiler/exception.h"
|
||||
#include "shader_recompiler/frontend/maxwell/opcode.h"
|
||||
#include "shader_recompiler/frontend/maxwell/opcodes.h"
|
||||
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
|
||||
|
||||
namespace Shader::Maxwell {
|
||||
|
@ -5,7 +5,7 @@
|
||||
#include "common/bit_field.h"
|
||||
#include "common/common_types.h"
|
||||
#include "shader_recompiler/exception.h"
|
||||
#include "shader_recompiler/frontend/maxwell/opcode.h"
|
||||
#include "shader_recompiler/frontend/maxwell/opcodes.h"
|
||||
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
|
||||
|
||||
namespace Shader::Maxwell {
|
||||
|
@ -4,7 +4,7 @@
|
||||
|
||||
#include "common/common_types.h"
|
||||
#include "shader_recompiler/exception.h"
|
||||
#include "shader_recompiler/frontend/maxwell/opcode.h"
|
||||
#include "shader_recompiler/frontend/maxwell/opcodes.h"
|
||||
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
|
||||
|
||||
namespace Shader::Maxwell {
|
||||
|
@ -23,8 +23,9 @@ static void Invoke(TranslatorVisitor& visitor, Location pc, u64 insn) {
|
||||
}
|
||||
}
|
||||
|
||||
IR::Block Translate(Environment& env, const Flow::Block& flow_block) {
|
||||
IR::Block block{flow_block.begin.Offset(), flow_block.end.Offset()};
|
||||
IR::Block Translate(ObjectPool<IR::Inst>& inst_pool, Environment& env,
|
||||
const Flow::Block& flow_block) {
|
||||
IR::Block block{inst_pool, flow_block.begin.Offset(), flow_block.end.Offset()};
|
||||
TranslatorVisitor visitor{env, block};
|
||||
|
||||
const Location pc_end{flow_block.end};
|
||||
|
@ -6,11 +6,14 @@
|
||||
|
||||
#include "shader_recompiler/environment.h"
|
||||
#include "shader_recompiler/frontend/ir/basic_block.h"
|
||||
#include "shader_recompiler/frontend/maxwell/location.h"
|
||||
#include "shader_recompiler/frontend/ir/microinstruction.h"
|
||||
#include "shader_recompiler/frontend/maxwell/control_flow.h"
|
||||
#include "shader_recompiler/frontend/maxwell/location.h"
|
||||
#include "shader_recompiler/object_pool.h"
|
||||
|
||||
namespace Shader::Maxwell {
|
||||
|
||||
[[nodiscard]] IR::Block Translate(Environment& env, const Flow::Block& flow_block);
|
||||
[[nodiscard]] IR::Block Translate(ObjectPool<IR::Inst>& inst_pool, Environment& env,
|
||||
const Flow::Block& flow_block);
|
||||
|
||||
} // namespace Shader::Maxwell
|
||||
|
@ -19,7 +19,7 @@
|
||||
#include "shader_recompiler/frontend/ir/basic_block.h"
|
||||
#include "shader_recompiler/frontend/ir/function.h"
|
||||
#include "shader_recompiler/frontend/ir/microinstruction.h"
|
||||
#include "shader_recompiler/frontend/ir/opcode.h"
|
||||
#include "shader_recompiler/frontend/ir/opcodes.h"
|
||||
#include "shader_recompiler/frontend/ir/pred.h"
|
||||
#include "shader_recompiler/frontend/ir/reg.h"
|
||||
#include "shader_recompiler/ir_opt/passes.h"
|
||||
@ -150,52 +150,52 @@ private:
|
||||
|
||||
void SsaRewritePass(IR::Function& function) {
|
||||
Pass pass;
|
||||
for (const auto& block : function.blocks) {
|
||||
for (IR::Block* const block : function.blocks) {
|
||||
for (IR::Inst& inst : block->Instructions()) {
|
||||
switch (inst.Opcode()) {
|
||||
case IR::Opcode::SetRegister:
|
||||
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
|
||||
pass.WriteVariable(reg, block.get(), inst.Arg(1));
|
||||
pass.WriteVariable(reg, block, inst.Arg(1));
|
||||
}
|
||||
break;
|
||||
case IR::Opcode::SetPred:
|
||||
if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
|
||||
pass.WriteVariable(pred, block.get(), inst.Arg(1));
|
||||
pass.WriteVariable(pred, block, inst.Arg(1));
|
||||
}
|
||||
break;
|
||||
case IR::Opcode::SetZFlag:
|
||||
pass.WriteVariable(ZeroFlagTag{}, block.get(), inst.Arg(0));
|
||||
pass.WriteVariable(ZeroFlagTag{}, block, inst.Arg(0));
|
||||
break;
|
||||
case IR::Opcode::SetSFlag:
|
||||
pass.WriteVariable(SignFlagTag{}, block.get(), inst.Arg(0));
|
||||
pass.WriteVariable(SignFlagTag{}, block, inst.Arg(0));
|
||||
break;
|
||||
case IR::Opcode::SetCFlag:
|
||||
pass.WriteVariable(CarryFlagTag{}, block.get(), inst.Arg(0));
|
||||
pass.WriteVariable(CarryFlagTag{}, block, inst.Arg(0));
|
||||
break;
|
||||
case IR::Opcode::SetOFlag:
|
||||
pass.WriteVariable(OverflowFlagTag{}, block.get(), inst.Arg(0));
|
||||
pass.WriteVariable(OverflowFlagTag{}, block, inst.Arg(0));
|
||||
break;
|
||||
case IR::Opcode::GetRegister:
|
||||
if (const IR::Reg reg{inst.Arg(0).Reg()}; reg != IR::Reg::RZ) {
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(reg, block.get()));
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(reg, block));
|
||||
}
|
||||
break;
|
||||
case IR::Opcode::GetPred:
|
||||
if (const IR::Pred pred{inst.Arg(0).Pred()}; pred != IR::Pred::PT) {
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(pred, block.get()));
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(pred, block));
|
||||
}
|
||||
break;
|
||||
case IR::Opcode::GetZFlag:
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block.get()));
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(ZeroFlagTag{}, block));
|
||||
break;
|
||||
case IR::Opcode::GetSFlag:
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(SignFlagTag{}, block.get()));
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(SignFlagTag{}, block));
|
||||
break;
|
||||
case IR::Opcode::GetCFlag:
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(CarryFlagTag{}, block.get()));
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(CarryFlagTag{}, block));
|
||||
break;
|
||||
case IR::Opcode::GetOFlag:
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block.get()));
|
||||
inst.ReplaceUsesWith(pass.ReadVariable(OverflowFlagTag{}, block));
|
||||
break;
|
||||
default:
|
||||
break;
|
||||
|
@ -56,6 +56,13 @@ int main() {
|
||||
auto cfg{std::make_unique<Flow::CFG>(env, 0)};
|
||||
// fmt::print(stdout, "{}\n", cfg->Dot());
|
||||
|
||||
Program program{env, *cfg};
|
||||
fmt::print(stdout, "{}\n", DumpProgram(program));
|
||||
auto inst_pool{std::make_unique<ObjectPool<IR::Inst>>()};
|
||||
auto block_pool{std::make_unique<ObjectPool<IR::Block>>()};
|
||||
|
||||
for (int i = 0; i < 8192 * 4; ++i) {
|
||||
void(inst_pool->Create(IR::Opcode::Void, 0));
|
||||
}
|
||||
|
||||
IR::Program program{TranslateProgram(*inst_pool, *block_pool, env, *cfg)};
|
||||
fmt::print(stdout, "{}\n", IR::DumpProgram(program));
|
||||
}
|
||||
|
89
src/shader_recompiler/object_pool.h
Normal file
89
src/shader_recompiler/object_pool.h
Normal file
@ -0,0 +1,89 @@
|
||||
// Copyright 2021 yuzu Emulator Project
|
||||
// Licensed under GPLv2 or any later version
|
||||
// Refer to the license.txt file included.
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <memory>
|
||||
#include <type_traits>
|
||||
|
||||
namespace Shader {
|
||||
|
||||
template <typename T, size_t chunk_size = 8192>
|
||||
requires std::is_destructible_v<T> class ObjectPool {
|
||||
public:
|
||||
~ObjectPool() {
|
||||
std::unique_ptr<Chunk> tree_owner;
|
||||
Chunk* chunk{&root};
|
||||
while (chunk) {
|
||||
for (size_t obj_id = chunk->free_objects; obj_id < chunk_size; ++obj_id) {
|
||||
chunk->storage[obj_id].object.~T();
|
||||
}
|
||||
tree_owner = std::move(chunk->next);
|
||||
chunk = tree_owner.get();
|
||||
}
|
||||
}
|
||||
|
||||
template <typename... Args>
|
||||
requires std::is_constructible_v<T, Args...> [[nodiscard]] T* Create(Args&&... args) {
|
||||
return std::construct_at(Memory(), std::forward<Args>(args)...);
|
||||
}
|
||||
|
||||
void ReleaseContents() {
|
||||
Chunk* chunk{&root};
|
||||
if (chunk) {
|
||||
const size_t free_objects{chunk->free_objects};
|
||||
if (free_objects == chunk_size) {
|
||||
break;
|
||||
}
|
||||
chunk->free_objects = chunk_size;
|
||||
for (size_t obj_id = free_objects; obj_id < chunk_size; ++obj_id) {
|
||||
chunk->storage[obj_id].object.~T();
|
||||
}
|
||||
chunk = chunk->next.get();
|
||||
}
|
||||
node = &root;
|
||||
}
|
||||
|
||||
private:
|
||||
struct NonTrivialDummy {
|
||||
NonTrivialDummy() noexcept {}
|
||||
};
|
||||
|
||||
union Storage {
|
||||
Storage() noexcept {}
|
||||
~Storage() noexcept {}
|
||||
|
||||
NonTrivialDummy dummy{};
|
||||
T object;
|
||||
};
|
||||
|
||||
struct Chunk {
|
||||
size_t free_objects = chunk_size;
|
||||
std::array<Storage, chunk_size> storage;
|
||||
std::unique_ptr<Chunk> next;
|
||||
};
|
||||
|
||||
[[nodiscard]] T* Memory() {
|
||||
Chunk* const chunk{FreeChunk()};
|
||||
return &chunk->storage[--chunk->free_objects].object;
|
||||
}
|
||||
|
||||
[[nodiscard]] Chunk* FreeChunk() {
|
||||
if (node->free_objects > 0) {
|
||||
return node;
|
||||
}
|
||||
if (node->next) {
|
||||
node = node->next.get();
|
||||
return node;
|
||||
}
|
||||
node->next = std::make_unique<Chunk>();
|
||||
node = node->next.get();
|
||||
return node;
|
||||
}
|
||||
|
||||
Chunk* node{&root};
|
||||
Chunk root;
|
||||
};
|
||||
|
||||
} // namespace Shader
|
Loading…
Reference in New Issue
Block a user