spirv: Initial bindings support
This commit is contained in:
ReinUsesLisp
ameerj
parent
d5d468cf2c
commit
b5d7279d87
23 changed files with 679 additions and 300 deletions
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@ -12,60 +12,22 @@
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#include "shader_recompiler/frontend/ir/program.h"
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namespace Shader::Backend::SPIRV {
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namespace {
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template <class Func>
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struct FuncTraits : FuncTraits<decltype(&Func::operator())> {};
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EmitContext::EmitContext(IR::Program& program) {
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AddCapability(spv::Capability::Shader);
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AddCapability(spv::Capability::Float16);
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AddCapability(spv::Capability::Float64);
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void_id = TypeVoid();
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template <class ClassType, class ReturnType_, class... Args>
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struct FuncTraits<ReturnType_ (ClassType::*)(Args...)> {
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using ReturnType = ReturnType_;
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u1 = Name(TypeBool(), "u1");
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f32.Define(*this, TypeFloat(32), "f32");
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u32.Define(*this, TypeInt(32, false), "u32");
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f16.Define(*this, TypeFloat(16), "f16");
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f64.Define(*this, TypeFloat(64), "f64");
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static constexpr size_t NUM_ARGS = sizeof...(Args);
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true_value = ConstantTrue(u1);
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false_value = ConstantFalse(u1);
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for (const IR::Function& function : program.functions) {
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for (IR::Block* const block : function.blocks) {
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block_label_map.emplace_back(block, OpLabel());
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}
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}
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std::ranges::sort(block_label_map, {}, &std::pair<IR::Block*, Id>::first);
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}
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EmitContext::~EmitContext() = default;
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EmitSPIRV::EmitSPIRV(IR::Program& program) {
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EmitContext ctx{program};
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const Id void_function{ctx.TypeFunction(ctx.void_id)};
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// FIXME: Forward declare functions (needs sirit support)
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Id func{};
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for (IR::Function& function : program.functions) {
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func = ctx.OpFunction(ctx.void_id, spv::FunctionControlMask::MaskNone, void_function);
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for (IR::Block* const block : function.blocks) {
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ctx.AddLabel(ctx.BlockLabel(block));
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for (IR::Inst& inst : block->Instructions()) {
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EmitInst(ctx, &inst);
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}
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}
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ctx.OpFunctionEnd();
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}
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ctx.AddEntryPoint(spv::ExecutionModel::GLCompute, func, "main");
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std::vector<u32> result{ctx.Assemble()};
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std::FILE* file{std::fopen("shader.spv", "wb")};
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std::fwrite(result.data(), sizeof(u32), result.size(), file);
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std::fclose(file);
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std::system("spirv-dis shader.spv");
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std::system("spirv-val shader.spv");
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std::system("spirv-cross shader.spv");
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}
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template <size_t I>
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using ArgType = std::tuple_element_t<I, std::tuple<Args...>>;
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};
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template <auto method, typename... Args>
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static void SetDefinition(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, Args... args) {
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void SetDefinition(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, Args... args) {
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const Id forward_id{inst->Definition<Id>()};
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const bool has_forward_id{Sirit::ValidId(forward_id)};
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Id current_id{};
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@ -80,42 +42,90 @@ static void SetDefinition(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, Arg
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}
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}
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template <auto method>
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static void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst) {
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using M = decltype(method);
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using std::is_invocable_r_v;
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if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&>) {
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SetDefinition<method>(emit, ctx, inst);
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id>) {
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SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)));
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id, Id>) {
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SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)));
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id, Id, Id>) {
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SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)),
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ctx.Def(inst->Arg(2)));
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, IR::Inst*>) {
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SetDefinition<method>(emit, ctx, inst, inst);
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, IR::Inst*, Id, Id>) {
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SetDefinition<method>(emit, ctx, inst, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)));
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, IR::Inst*, Id, Id, Id>) {
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SetDefinition<method>(emit, ctx, inst, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)),
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ctx.Def(inst->Arg(2)));
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id, u32>) {
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SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)), inst->Arg(1).U32());
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, const IR::Value&>) {
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SetDefinition<method>(emit, ctx, inst, inst->Arg(0));
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} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, const IR::Value&,
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const IR::Value&>) {
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SetDefinition<method>(emit, ctx, inst, inst->Arg(0), inst->Arg(1));
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} else if constexpr (is_invocable_r_v<void, M, EmitSPIRV&, EmitContext&, IR::Inst*>) {
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(emit.*method)(ctx, inst);
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} else if constexpr (is_invocable_r_v<void, M, EmitSPIRV&, EmitContext&>) {
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(emit.*method)(ctx);
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} else {
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static_assert(false, "Bad format");
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template <typename ArgType>
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ArgType Arg(EmitContext& ctx, const IR::Value& arg) {
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if constexpr (std::is_same_v<ArgType, Id>) {
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return ctx.Def(arg);
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} else if constexpr (std::is_same_v<ArgType, const IR::Value&>) {
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return arg;
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} else if constexpr (std::is_same_v<ArgType, u32>) {
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return arg.U32();
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} else if constexpr (std::is_same_v<ArgType, IR::Block*>) {
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return arg.Label();
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}
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}
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template <auto method, bool is_first_arg_inst, size_t... I>
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void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
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using Traits = FuncTraits<decltype(method)>;
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if constexpr (std::is_same_v<Traits::ReturnType, Id>) {
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if constexpr (is_first_arg_inst) {
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SetDefinition<method>(emit, ctx, inst, inst,
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Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
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} else {
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SetDefinition<method>(emit, ctx, inst,
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Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
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}
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} else {
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if constexpr (is_first_arg_inst) {
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(emit.*method)(ctx, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
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} else {
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(emit.*method)(ctx, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
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}
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}
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}
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template <auto method>
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void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst) {
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using Traits = FuncTraits<decltype(method)>;
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static_assert(Traits::NUM_ARGS >= 1, "Insufficient arguments");
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if constexpr (Traits::NUM_ARGS == 1) {
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Invoke<method, false>(emit, ctx, inst, std::make_index_sequence<0>{});
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} else {
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using FirstArgType = typename Traits::template ArgType<1>;
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static constexpr bool is_first_arg_inst = std::is_same_v<FirstArgType, IR::Inst*>;
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using Indices = std::make_index_sequence<Traits::NUM_ARGS - (is_first_arg_inst ? 2 : 1)>;
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Invoke<method, is_first_arg_inst>(emit, ctx, inst, Indices{});
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}
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}
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} // Anonymous namespace
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EmitSPIRV::EmitSPIRV(IR::Program& program) {
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EmitContext ctx{program};
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const Id void_function{ctx.TypeFunction(ctx.void_id)};
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// FIXME: Forward declare functions (needs sirit support)
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Id func{};
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for (IR::Function& function : program.functions) {
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func = ctx.OpFunction(ctx.void_id, spv::FunctionControlMask::MaskNone, void_function);
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for (IR::Block* const block : function.blocks) {
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ctx.AddLabel(block->Definition<Id>());
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for (IR::Inst& inst : block->Instructions()) {
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EmitInst(ctx, &inst);
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}
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}
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ctx.OpFunctionEnd();
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}
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boost::container::small_vector<Id, 32> interfaces;
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if (program.info.uses_workgroup_id) {
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interfaces.push_back(ctx.workgroup_id);
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}
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if (program.info.uses_local_invocation_id) {
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interfaces.push_back(ctx.local_invocation_id);
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}
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const std::span interfaces_span(interfaces.data(), interfaces.size());
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ctx.AddEntryPoint(spv::ExecutionModel::Fragment, func, "main", interfaces_span);
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ctx.AddExecutionMode(func, spv::ExecutionMode::OriginUpperLeft);
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std::vector<u32> result{ctx.Assemble()};
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std::FILE* file{std::fopen("D:\\shader.spv", "wb")};
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std::fwrite(result.data(), sizeof(u32), result.size(), file);
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std::fclose(file);
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std::system("spirv-dis D:\\shader.spv") == 0 &&
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std::system("spirv-val --uniform-buffer-standard-layout D:\\shader.spv") == 0 &&
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std::system("spirv-cross -V D:\\shader.spv") == 0;
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}
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void EmitSPIRV::EmitInst(EmitContext& ctx, IR::Inst* inst) {
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switch (inst->Opcode()) {
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#define OPCODE(name, result_type, ...) \
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@ -130,9 +140,9 @@ void EmitSPIRV::EmitInst(EmitContext& ctx, IR::Inst* inst) {
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static Id TypeId(const EmitContext& ctx, IR::Type type) {
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switch (type) {
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case IR::Type::U1:
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return ctx.u1;
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return ctx.U1;
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case IR::Type::U32:
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return ctx.u32[1];
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return ctx.U32[1];
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default:
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throw NotImplementedException("Phi node type {}", type);
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}
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@ -162,7 +172,7 @@ Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
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}
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IR::Block* const phi_block{inst->PhiBlock(index)};
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operands.push_back(def);
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operands.push_back(ctx.BlockLabel(phi_block));
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operands.push_back(phi_block->Definition<Id>());
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}
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const Id result_type{TypeId(ctx, inst->Arg(0).Type())};
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return ctx.OpPhi(result_type, std::span(operands.data(), operands.size()));
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@ -174,29 +184,6 @@ void EmitSPIRV::EmitIdentity(EmitContext&) {
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throw NotImplementedException("SPIR-V Instruction");
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}
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// FIXME: Move to its own file
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void EmitSPIRV::EmitBranch(EmitContext& ctx, IR::Inst* inst) {
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ctx.OpBranch(ctx.BlockLabel(inst->Arg(0).Label()));
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}
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void EmitSPIRV::EmitBranchConditional(EmitContext& ctx, IR::Inst* inst) {
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ctx.OpBranchConditional(ctx.Def(inst->Arg(0)), ctx.BlockLabel(inst->Arg(1).Label()),
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ctx.BlockLabel(inst->Arg(2).Label()));
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}
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void EmitSPIRV::EmitLoopMerge(EmitContext& ctx, IR::Inst* inst) {
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ctx.OpLoopMerge(ctx.BlockLabel(inst->Arg(0).Label()), ctx.BlockLabel(inst->Arg(1).Label()),
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spv::LoopControlMask::MaskNone);
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}
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void EmitSPIRV::EmitSelectionMerge(EmitContext& ctx, IR::Inst* inst) {
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ctx.OpSelectionMerge(ctx.BlockLabel(inst->Arg(0).Label()), spv::SelectionControlMask::MaskNone);
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}
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void EmitSPIRV::EmitReturn(EmitContext& ctx) {
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ctx.OpReturn();
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}
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void EmitSPIRV::EmitGetZeroFromOp(EmitContext&) {
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throw LogicError("Unreachable instruction");
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}
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