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shader: Primitive Vulkan integration

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This commit is contained in:
ReinUsesLisp 2021-02-17 00:59:28 -03:00 • committed by ameerj
parent c67d64365a
commit 85cce78583
43 changed files with 1003 additions and 3036 deletions
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119
src/shader_recompiler/backend/spirv/emit_spirv.cpp
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@ -2,8 +2,11 @@
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <numeric>
#include <span>
#include <tuple>
#include <type_traits>
#include <utility>
#include <vector>
#include "shader_recompiler/backend/spirv/emit_spirv.h"
#include "shader_recompiler/frontend/ir/basic_block.h"
@ -14,10 +17,10 @@
namespace Shader::Backend::SPIRV {
namespace {
template <class Func>
struct FuncTraits : FuncTraits<decltype(&Func::operator())> {};
struct FuncTraits : FuncTraits<Func> {};
template <class ClassType, class ReturnType_, class... Args>
struct FuncTraits<ReturnType_ (ClassType::*)(Args...)> {
template <class ReturnType_, class... Args>
struct FuncTraits<ReturnType_ (*)(Args...)> {
using ReturnType = ReturnType_;
static constexpr size_t NUM_ARGS = sizeof...(Args);
@ -26,15 +29,15 @@ struct FuncTraits<ReturnType_ (ClassType::*)(Args...)> {
using ArgType = std::tuple_element_t<I, std::tuple<Args...>>;
};
template <auto method, typename... Args>
void SetDefinition(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, Args... args) {
template <auto func, typename... Args>
void SetDefinition(EmitContext& ctx, IR::Inst* inst, Args... args) {
const Id forward_id{inst->Definition<Id>()};
const bool has_forward_id{Sirit::ValidId(forward_id)};
Id current_id{};
if (has_forward_id) {
current_id = ctx.ExchangeCurrentId(forward_id);
}
const Id new_id{(emit.*method)(ctx, std::forward<Args>(args)...)};
const Id new_id{func(ctx, std::forward<Args>(args)...)};
if (has_forward_id) {
ctx.ExchangeCurrentId(current_id);
} else {
@ -55,42 +58,62 @@ ArgType Arg(EmitContext& ctx, const IR::Value& arg) {
}
}
template <auto method, bool is_first_arg_inst, size_t... I>
void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
using Traits = FuncTraits<decltype(method)>;
template <auto func, bool is_first_arg_inst, size_t... I>
void Invoke(EmitContext& ctx, IR::Inst* inst, std::index_sequence<I...>) {
using Traits = FuncTraits<decltype(func)>;
if constexpr (std::is_same_v<Traits::ReturnType, Id>) {
if constexpr (is_first_arg_inst) {
SetDefinition<method>(emit, ctx, inst, inst,
Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
SetDefinition<func>(ctx, inst, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
} else {
SetDefinition<method>(emit, ctx, inst,
Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
SetDefinition<func>(ctx, inst, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
}
} else {
if constexpr (is_first_arg_inst) {
(emit.*method)(ctx, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
func(ctx, inst, Arg<Traits::ArgType<I + 2>>(ctx, inst->Arg(I))...);
} else {
(emit.*method)(ctx, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
func(ctx, Arg<Traits::ArgType<I + 1>>(ctx, inst->Arg(I))...);
}
}
}
template <auto method>
void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst) {
using Traits = FuncTraits<decltype(method)>;
template <auto func>
void Invoke(EmitContext& ctx, IR::Inst* inst) {
using Traits = FuncTraits<decltype(func)>;
static_assert(Traits::NUM_ARGS >= 1, "Insufficient arguments");
if constexpr (Traits::NUM_ARGS == 1) {
Invoke<method, false>(emit, ctx, inst, std::make_index_sequence<0>{});
Invoke<func, false>(ctx, inst, std::make_index_sequence<0>{});
} else {
using FirstArgType = typename Traits::template ArgType<1>;
static constexpr bool is_first_arg_inst = std::is_same_v<FirstArgType, IR::Inst*>;
using Indices = std::make_index_sequence<Traits::NUM_ARGS - (is_first_arg_inst ? 2 : 1)>;
Invoke<method, is_first_arg_inst>(emit, ctx, inst, Indices{});
Invoke<func, is_first_arg_inst>(ctx, inst, Indices{});
}
}
void EmitInst(EmitContext& ctx, IR::Inst* inst) {
switch (inst->Opcode()) {
#define OPCODE(name, result_type, ...) \
case IR::Opcode::name: \
return Invoke<&Emit##name>(ctx, inst);
#include "shader_recompiler/frontend/ir/opcodes.inc"
#undef OPCODE
}
throw LogicError("Invalid opcode {}", inst->Opcode());
}
Id TypeId(const EmitContext& ctx, IR::Type type) {
switch (type) {
case IR::Type::U1:
return ctx.U1;
case IR::Type::U32:
return ctx.U32[1];
default:
throw NotImplementedException("Phi node type {}", type);
}
}
} // Anonymous namespace
EmitSPIRV::EmitSPIRV(IR::Program& program) {
std::vector<u32> EmitSPIRV(Environment& env, IR::Program& program) {
EmitContext ctx{program};
const Id void_function{ctx.TypeFunction(ctx.void_id)};
// FIXME: Forward declare functions (needs sirit support)
@ -112,43 +135,17 @@ EmitSPIRV::EmitSPIRV(IR::Program& program) {
if (program.info.uses_local_invocation_id) {
interfaces.push_back(ctx.local_invocation_id);
}
const std::span interfaces_span(interfaces.data(), interfaces.size());
ctx.AddEntryPoint(spv::ExecutionModel::Fragment, func, "main", interfaces_span);
ctx.AddExecutionMode(func, spv::ExecutionMode::OriginUpperLeft);
ctx.AddEntryPoint(spv::ExecutionModel::GLCompute, func, "main", interfaces_span);
std::vector<u32> result{ctx.Assemble()};
std::FILE* file{std::fopen("D:\\shader.spv", "wb")};
std::fwrite(result.data(), sizeof(u32), result.size(), file);
std::fclose(file);
std::system("spirv-dis D:\\shader.spv") == 0 &&
std::system("spirv-val --uniform-buffer-standard-layout D:\\shader.spv") == 0 &&
std::system("spirv-cross -V D:\\shader.spv") == 0;
const std::array<u32, 3> workgroup_size{env.WorkgroupSize()};
ctx.AddExecutionMode(func, spv::ExecutionMode::LocalSize, workgroup_size[0], workgroup_size[1],
workgroup_size[2]);
return ctx.Assemble();
}
void EmitSPIRV::EmitInst(EmitContext& ctx, IR::Inst* inst) {
switch (inst->Opcode()) {
#define OPCODE(name, result_type, ...) \
case IR::Opcode::name: \
return Invoke<&EmitSPIRV::Emit##name>(*this, ctx, inst);
#include "shader_recompiler/frontend/ir/opcodes.inc"
#undef OPCODE
}
throw LogicError("Invalid opcode {}", inst->Opcode());
}
static Id TypeId(const EmitContext& ctx, IR::Type type) {
switch (type) {
case IR::Type::U1:
return ctx.U1;
case IR::Type::U32:
return ctx.U32[1];
default:
throw NotImplementedException("Phi node type {}", type);
}
}
Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
Id EmitPhi(EmitContext& ctx, IR::Inst* inst) {
const size_t num_args{inst->NumArgs()};
boost::container::small_vector<Id, 32> operands;
operands.reserve(num_args * 2);
@ -178,25 +175,25 @@ Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
return ctx.OpPhi(result_type, std::span(operands.data(), operands.size()));
}
void EmitSPIRV::EmitVoid(EmitContext&) {}
void EmitVoid(EmitContext&) {}
Id EmitSPIRV::EmitIdentity(EmitContext& ctx, const IR::Value& value) {
Id EmitIdentity(EmitContext& ctx, const IR::Value& value) {
return ctx.Def(value);
}
void EmitSPIRV::EmitGetZeroFromOp(EmitContext&) {
void EmitGetZeroFromOp(EmitContext&) {
throw LogicError("Unreachable instruction");
}
void EmitSPIRV::EmitGetSignFromOp(EmitContext&) {
void EmitGetSignFromOp(EmitContext&) {
throw LogicError("Unreachable instruction");
}
void EmitSPIRV::EmitGetCarryFromOp(EmitContext&) {
void EmitGetCarryFromOp(EmitContext&) {
throw LogicError("Unreachable instruction");
}
void EmitSPIRV::EmitGetOverflowFromOp(EmitContext&) {
void EmitGetOverflowFromOp(EmitContext&) {
throw LogicError("Unreachable instruction");
}