octo/yuzu-android
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

shader: Add support for forward declarations

Browse Source
This commit is contained in:
ReinUsesLisp
2021-02-14 22:46:40 -03:00
committed by ameerj
parent cbfb7d182a
commit 1b0cf2309c
11 changed files with 80 additions and 69 deletions
Download Patch File Download Diff File Expand all files Collapse all files

61
src/shader_recompiler/backend/spirv/emit_spirv.cpp
View File

@@ -64,31 +64,49 @@ EmitSPIRV::EmitSPIRV(IR::Program& program) {
std::system("spirv-cross shader.spv");
}
template <auto method, typename... Args>
static void SetDefinition(EmitSPIRV& emit, 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)...)};
if (has_forward_id) {
ctx.ExchangeCurrentId(current_id);
} else {
inst->SetDefinition<Id>(new_id);
}
}
template <auto method>
static void Invoke(EmitSPIRV& emit, EmitContext& ctx, IR::Inst* inst) {
using M = decltype(method);
using std::is_invocable_r_v;
if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&>) {
ctx.Define(inst, (emit.*method)(ctx));
SetDefinition<method>(emit, ctx, inst);
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id>) {
ctx.Define(inst, (emit.*method)(ctx, ctx.Def(inst->Arg(0))));
SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)));
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id, Id>) {
ctx.Define(inst, (emit.*method)(ctx, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1))));
SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)));
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id, Id, Id>) {
ctx.Define(inst, (emit.*method)(ctx, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)),
ctx.Def(inst->Arg(2))));
SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)),
ctx.Def(inst->Arg(2)));
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, IR::Inst*>) {
SetDefinition<method>(emit, ctx, inst, inst);
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, IR::Inst*, Id, Id>) {
ctx.Define(inst, (emit.*method)(ctx, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1))));
SetDefinition<method>(emit, ctx, inst, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)));
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, IR::Inst*, Id, Id, Id>) {
ctx.Define(inst, (emit.*method)(ctx, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)),
ctx.Def(inst->Arg(2))));
SetDefinition<method>(emit, ctx, inst, inst, ctx.Def(inst->Arg(0)), ctx.Def(inst->Arg(1)),
ctx.Def(inst->Arg(2)));
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, Id, u32>) {
ctx.Define(inst, (emit.*method)(ctx, ctx.Def(inst->Arg(0)), inst->Arg(1).U32()));
SetDefinition<method>(emit, ctx, inst, ctx.Def(inst->Arg(0)), inst->Arg(1).U32());
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, const IR::Value&>) {
ctx.Define(inst, (emit.*method)(ctx, inst->Arg(0)));
SetDefinition<method>(emit, ctx, inst, inst->Arg(0));
} else if constexpr (is_invocable_r_v<Id, M, EmitSPIRV&, EmitContext&, const IR::Value&,
const IR::Value&>) {
ctx.Define(inst, (emit.*method)(ctx, inst->Arg(0), inst->Arg(1)));
SetDefinition<method>(emit, ctx, inst, inst->Arg(0), inst->Arg(1));
} else if constexpr (is_invocable_r_v<void, M, EmitSPIRV&, EmitContext&, IR::Inst*>) {
(emit.*method)(ctx, inst);
} else if constexpr (is_invocable_r_v<void, M, EmitSPIRV&, EmitContext&>) {
@@ -122,11 +140,28 @@ static Id TypeId(const EmitContext& ctx, IR::Type type) {
Id EmitSPIRV::EmitPhi(EmitContext& ctx, IR::Inst* inst) {
const size_t num_args{inst->NumArgs()};
boost::container::small_vector<Id, 64> operands;
boost::container::small_vector<Id, 32> operands;
operands.reserve(num_args * 2);
for (size_t index = 0; index < num_args; ++index) {
// Phi nodes can have forward declarations, if an argument is not defined provide a forward
// declaration of it. Invoke will take care of giving it the right definition when it's
// actually defined.
const IR::Value arg{inst->Arg(index)};
Id def{};
if (arg.IsImmediate()) {
// Let the context handle immediate definitions, as it already knows how
def = ctx.Def(arg);
} else {
IR::Inst* const arg_inst{arg.Inst()};
def = arg_inst->Definition<Id>();
if (!Sirit::ValidId(def)) {
// If it hasn't been defined, get a forward declaration
def = ctx.ForwardDeclarationId();
arg_inst->SetDefinition<Id>(def);
}
}
IR::Block* const phi_block{inst->PhiBlock(index)};
operands.push_back(ctx.Def(inst->Arg(index)));
operands.push_back(def);
operands.push_back(ctx.BlockLabel(phi_block));
}
const Id result_type{TypeId(ctx, inst->Arg(0).Type())};

40
src/shader_recompiler/backend/spirv/emit_spirv.h
View File

@@ -6,8 +6,6 @@
#include <sirit/sirit.h>
#include <boost/container/flat_map.hpp>
#include "common/common_types.h"
#include "shader_recompiler/frontend/ir/microinstruction.h"
#include "shader_recompiler/frontend/ir/program.h"
@@ -16,37 +14,6 @@ namespace Shader::Backend::SPIRV {
using Sirit::Id;
class DefMap {
public:
void Define(IR::Inst* inst, Id def_id) {
const InstInfo info{.use_count{inst->UseCount()}, .def_id{def_id}};
const auto it{map.insert(map.end(), std::make_pair(inst, info))};
if (it == map.end()) {
throw LogicError("Defining already defined instruction");
}
}
[[nodiscard]] Id Consume(IR::Inst* inst) {
const auto it{map.find(inst)};
if (it == map.end()) {
throw LogicError("Consuming undefined instruction");
}
const Id def_id{it->second.def_id};
if (--it->second.use_count == 0) {
map.erase(it);
}
return def_id;
}
private:
struct InstInfo {
int use_count;
Id def_id;
};
boost::container::flat_map<IR::Inst*, InstInfo> map;
};
class VectorTypes {
public:
void Define(Sirit::Module& sirit_ctx, Id base_type, std::string_view name) {
@@ -76,7 +43,7 @@ public:
[[nodiscard]] Id Def(const IR::Value& value) {
if (!value.IsImmediate()) {
return def_map.Consume(value.Inst());
return value.Inst()->Definition<Id>();
}
switch (value.Type()) {
case IR::Type::U1:
@@ -90,10 +57,6 @@ public:
}
}
void Define(IR::Inst* inst, Id def_id) {
def_map.Define(inst, def_id);
}
[[nodiscard]] Id BlockLabel(IR::Block* block) const {
const auto it{std::ranges::lower_bound(block_label_map, block, {},
&std::pair<IR::Block*, Id>::first)};
@@ -117,7 +80,6 @@ public:
Id local_invocation_id{};
private:
DefMap def_map;
std::vector<std::pair<IR::Block*, Id>> block_label_map;
};