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shader: Partial implementation of LDC

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pull/8/head
ReinUsesLisp 4 years ago committed by ameerj
parent ab46371247
commit 3a63fa0477
16 changed files with 405 additions and 50 deletions
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1
src/shader_recompiler/CMakeLists.txt
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@ -88,6 +88,7 @@ add_library(shader_recompiler STATIC
frontend/maxwell/translate/impl/integer_shift_right.cpp
frontend/maxwell/translate/impl/integer_short_multiply_add.cpp
frontend/maxwell/translate/impl/integer_to_integer_conversion.cpp
frontend/maxwell/translate/impl/load_constant.cpp
frontend/maxwell/translate/impl/load_effective_address.cpp
frontend/maxwell/translate/impl/load_store_attribute.cpp
frontend/maxwell/translate/impl/load_store_memory.cpp

63
src/shader_recompiler/backend/spirv/emit_context.cpp
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@ -104,15 +104,23 @@ void EmitContext::DefineCommonTypes(const Info& info) {
U1 = Name(TypeBool(), "u1");
// TODO: Conditionally define these
AddCapability(spv::Capability::Int16);
AddCapability(spv::Capability::Int64);
U16 = Name(TypeInt(16, false), "u16");
U64 = Name(TypeInt(64, false), "u64");
F32.Define(*this, TypeFloat(32), "f32");
U32.Define(*this, TypeInt(32, false), "u32");
if (info.uses_int8) {
AddCapability(spv::Capability::Int8);
U8 = Name(TypeInt(8, false), "u8");
S8 = Name(TypeInt(8, true), "s8");
}
if (info.uses_int16) {
AddCapability(spv::Capability::Int16);
U16 = Name(TypeInt(16, false), "u16");
S16 = Name(TypeInt(16, true), "s16");
}
if (info.uses_int64) {
AddCapability(spv::Capability::Int64);
U64 = Name(TypeInt(64, false), "u64");
}
if (info.uses_fp16) {
AddCapability(spv::Capability::Float16);
F16.Define(*this, TypeFloat(16), "f16");
@ -151,26 +159,51 @@ void EmitContext::DefineConstantBuffers(const Info& info, u32& binding) {
if (info.constant_buffer_descriptors.empty()) {
return;
}
const Id array_type{TypeArray(U32[1], Constant(U32[1], 4096))};
Decorate(array_type, spv::Decoration::ArrayStride, 4U);
if (True(info.used_constant_buffer_types & IR::Type::U8)) {
DefineConstantBuffers(info, &UniformDefinitions::U8, binding, U8, 'u', sizeof(u8));
DefineConstantBuffers(info, &UniformDefinitions::S8, binding, S8, 's', sizeof(s8));
}
if (True(info.used_constant_buffer_types & IR::Type::U16)) {
DefineConstantBuffers(info, &UniformDefinitions::U16, binding, U16, 'u', sizeof(u16));
DefineConstantBuffers(info, &UniformDefinitions::S16, binding, S16, 's', sizeof(s16));
}
if (True(info.used_constant_buffer_types & IR::Type::U32)) {
DefineConstantBuffers(info, &UniformDefinitions::U32, binding, U32[1], 'u', sizeof(u32));
}
if (True(info.used_constant_buffer_types & IR::Type::F32)) {
DefineConstantBuffers(info, &UniformDefinitions::F32, binding, F32[1], 'f', sizeof(f32));
}
if (True(info.used_constant_buffer_types & IR::Type::U64)) {
DefineConstantBuffers(info, &UniformDefinitions::U64, binding, U64, 'u', sizeof(u64));
}
for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
binding += desc.count;
}
}
void EmitContext::DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type,
u32 binding, Id type, char type_char, u32 element_size) {
const Id array_type{TypeArray(type, Constant(U32[1], 65536U / element_size))};
Decorate(array_type, spv::Decoration::ArrayStride, element_size);
const Id struct_type{TypeStruct(array_type)};
Name(struct_type, "cbuf_block");
Name(struct_type, fmt::format("cbuf_block_{}{}", type_char, element_size * CHAR_BIT));
Decorate(struct_type, spv::Decoration::Block);
MemberName(struct_type, 0, "data");
MemberDecorate(struct_type, 0, spv::Decoration::Offset, 0U);
const Id uniform_type{TypePointer(spv::StorageClass::Uniform, struct_type)};
uniform_u32 = TypePointer(spv::StorageClass::Uniform, U32[1]);
const Id struct_pointer_type{TypePointer(spv::StorageClass::Uniform, struct_type)};
const Id uniform_type{TypePointer(spv::StorageClass::Uniform, type)};
uniform_types.*member_type = uniform_type;
u32 index{};
for (const ConstantBufferDescriptor& desc : info.constant_buffer_descriptors) {
const Id id{AddGlobalVariable(uniform_type, spv::StorageClass::Uniform)};
const Id id{AddGlobalVariable(struct_pointer_type, spv::StorageClass::Uniform)};
Decorate(id, spv::Decoration::Binding, binding);
Decorate(id, spv::Decoration::DescriptorSet, 0U);
Name(id, fmt::format("c{}", desc.index));
std::fill_n(cbufs.data() + desc.index, desc.count, id);
index += desc.count;
for (size_t i = 0; i < desc.count; ++i) {
cbufs[desc.index + i].*member_type = id;
}
binding += desc.count;
}
}

22
src/shader_recompiler/backend/spirv/emit_context.h
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@ -10,8 +10,8 @@
#include <sirit/sirit.h>
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/shader_info.h"
#include "shader_recompiler/profile.h"
#include "shader_recompiler/shader_info.h"
namespace Shader::Backend::SPIRV {
@ -34,6 +34,16 @@ struct TextureDefinition {
Id type;
};
struct UniformDefinitions {
Id U8{};
Id S8{};
Id U16{};
Id S16{};
Id U32{};
Id F32{};
Id U64{};
};
class EmitContext final : public Sirit::Module {
public:
explicit EmitContext(const Profile& profile, IR::Program& program);
@ -45,7 +55,10 @@ public:
Id void_id{};
Id U1{};
Id U8{};
Id S8{};
Id U16{};
Id S16{};
Id U64{};
VectorTypes F32;
VectorTypes U32;
@ -56,10 +69,11 @@ public:
Id false_value{};
Id u32_zero_value{};
Id uniform_u32{};
UniformDefinitions uniform_types;
Id storage_u32{};
std::array<Id, Info::MAX_CBUFS> cbufs{};
std::array<UniformDefinitions, Info::MAX_CBUFS> cbufs{};
std::array<Id, Info::MAX_SSBOS> ssbos{};
std::vector<TextureDefinition> textures;
@ -71,6 +85,8 @@ private:
void DefineCommonConstants();
void DefineSpecialVariables(const Info& info);
void DefineConstantBuffers(const Info& info, u32& binding);
void DefineConstantBuffers(const Info& info, Id UniformDefinitions::*member_type, u32 binding,
Id type, char type_char, u32 element_size);
void DefineStorageBuffers(const Info& info, u32& binding);
void DefineTextures(const Info& info, u32& binding);
void DefineLabels(IR::Program& program);

8
src/shader_recompiler/backend/spirv/emit_spirv.h
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@ -34,7 +34,13 @@ void EmitGetPred(EmitContext& ctx);
void EmitSetPred(EmitContext& ctx);
void EmitSetGotoVariable(EmitContext& ctx);
void EmitGetGotoVariable(EmitContext& ctx);
Id EmitGetCbuf(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
Id EmitGetCbufU64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset);
void EmitGetAttribute(EmitContext& ctx);
void EmitSetAttribute(EmitContext& ctx);
void EmitGetAttributeIndexed(EmitContext& ctx);

56
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
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@ -30,17 +30,61 @@ void EmitGetGotoVariable(EmitContext&) {
throw NotImplementedException("SPIR-V Instruction");
}
Id EmitGetCbuf(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
static Id GetCbuf(EmitContext& ctx, Id result_type, Id UniformDefinitions::*member_ptr,
u32 element_size, const IR::Value& binding, const IR::Value& offset) {
if (!binding.IsImmediate()) {
throw NotImplementedException("Constant buffer indexing");
}
const Id cbuf{ctx.cbufs[binding.U32()].*member_ptr};
const Id uniform_type{ctx.uniform_types.*member_ptr};
if (!offset.IsImmediate()) {
throw NotImplementedException("Variable constant buffer offset");
Id index{ctx.Def(offset)};
if (element_size > 1) {
const u32 log2_element_size{static_cast<u32>(std::countr_zero(element_size))};
const Id shift{ctx.Constant(ctx.U32[1], log2_element_size)};
index = ctx.OpShiftRightArithmetic(ctx.U32[1], ctx.Def(offset), shift);
}
const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, index)};
return ctx.OpLoad(result_type, access_chain);
}
const Id imm_offset{ctx.Constant(ctx.U32[1], offset.U32() / 4)};
const Id cbuf{ctx.cbufs[binding.U32()]};
const Id access_chain{ctx.OpAccessChain(ctx.uniform_u32, cbuf, ctx.u32_zero_value, imm_offset)};
return ctx.OpLoad(ctx.U32[1], access_chain);
if (offset.U32() % element_size != 0) {
throw NotImplementedException("Unaligned immediate constant buffer load");
}
const Id imm_offset{ctx.Constant(ctx.U32[1], offset.U32() / element_size)};
const Id access_chain{ctx.OpAccessChain(uniform_type, cbuf, ctx.u32_zero_value, imm_offset)};
return ctx.OpLoad(result_type, access_chain);
}
Id EmitGetCbufU8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.U8, &UniformDefinitions::U8, sizeof(u8), binding, offset)};
return ctx.OpUConvert(ctx.U32[1], load);
}
Id EmitGetCbufS8(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.S8, &UniformDefinitions::S8, sizeof(s8), binding, offset)};
return ctx.OpSConvert(ctx.U32[1], load);
}
Id EmitGetCbufU16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.U16, &UniformDefinitions::U16, sizeof(u16), binding, offset)};
return ctx.OpUConvert(ctx.U32[1], load);
}
Id EmitGetCbufS16(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
const Id load{GetCbuf(ctx, ctx.S16, &UniformDefinitions::S16, sizeof(s16), binding, offset)};
return ctx.OpSConvert(ctx.U32[1], load);
}
Id EmitGetCbufU32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.U32[1], &UniformDefinitions::U32, sizeof(u32), binding, offset);
}
Id EmitGetCbufF32(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.F32[1], &UniformDefinitions::F32, sizeof(f32), binding, offset);
}
Id EmitGetCbufU64(EmitContext& ctx, const IR::Value& binding, const IR::Value& offset) {
return GetCbuf(ctx, ctx.U64, &UniformDefinitions::U64, sizeof(u64), binding, offset);
}
void EmitGetAttribute(EmitContext&) {

22
src/shader_recompiler/frontend/ir/ir_emitter.cpp
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@ -112,7 +112,27 @@ void IREmitter::SetPred(IR::Pred pred, const U1& value) {
}
U32 IREmitter::GetCbuf(const U32& binding, const U32& byte_offset) {
return Inst<U32>(Opcode::GetCbuf, binding, byte_offset);
return Inst<U32>(Opcode::GetCbufU32, binding, byte_offset);
}
UAny IREmitter::GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed) {
switch (bitsize) {
case 8:
return Inst<U32>(is_signed ? Opcode::GetCbufS8 : Opcode::GetCbufU8, binding, byte_offset);
case 16:
return Inst<U32>(is_signed ? Opcode::GetCbufS16 : Opcode::GetCbufU16, binding, byte_offset);
case 32:
return Inst<U32>(Opcode::GetCbufU32, binding, byte_offset);
case 64:
return Inst<U64>(Opcode::GetCbufU64, binding, byte_offset);
default:
throw InvalidArgument("Invalid bit size {}", bitsize);
}
}
F32 IREmitter::GetFloatCbuf(const U32& binding, const U32& byte_offset) {
return Inst<F32>(Opcode::GetCbufF32, binding, byte_offset);
}
U1 IREmitter::GetZFlag() {

3
src/shader_recompiler/frontend/ir/ir_emitter.h
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@ -47,6 +47,9 @@ public:
void SetGotoVariable(u32 id, const U1& value);
[[nodiscard]] U32 GetCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] UAny GetCbuf(const U32& binding, const U32& byte_offset, size_t bitsize,
bool is_signed);
[[nodiscard]] F32 GetFloatCbuf(const U32& binding, const U32& byte_offset);
[[nodiscard]] U1 GetZFlag();
[[nodiscard]] U1 GetSFlag();

8
src/shader_recompiler/frontend/ir/opcodes.inc
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@ -21,7 +21,13 @@ OPCODE(GetPred, U1, Pred
OPCODE(SetPred, Void, Pred, U1, )
OPCODE(GetGotoVariable, U1, U32, )
OPCODE(SetGotoVariable, Void, U32, U1, )
OPCODE(GetCbuf, U32, U32, U32, )
OPCODE(GetCbufU8, U32, U32, U32, )
OPCODE(GetCbufS8, U32, U32, U32, )
OPCODE(GetCbufU16, U32, U32, U32, )
OPCODE(GetCbufS16, U32, U32, U32, )
OPCODE(GetCbufU32, U32, U32, U32, )
OPCODE(GetCbufF32, F32, U32, U32, )
OPCODE(GetCbufU64, U64, U32, U32, )
OPCODE(GetAttribute, U32, Attribute, )
OPCODE(SetAttribute, Void, Attribute, U32, )
OPCODE(GetAttributeIndexed, U32, U32, )

16
src/shader_recompiler/frontend/maxwell/translate/impl/impl.cpp
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@ -56,25 +56,32 @@ IR::F32 TranslatorVisitor::GetFloatReg39(u64 insn) {
return ir.BitCast<IR::F32>(GetReg39(insn));
}
IR::U32 TranslatorVisitor::GetCbuf(u64 insn) {
static std::pair<IR::U32, IR::U32> CbufAddr(u64 insn) {
union {
u64 raw;
BitField<20, 14, s64> offset;
BitField<34, 5, u64> binding;
} const cbuf{insn};
if (cbuf.binding >= 18) {
throw NotImplementedException("Out of bounds constant buffer binding {}", cbuf.binding);
}
if (cbuf.offset >= 0x10'000 || cbuf.offset < 0) {
throw NotImplementedException("Out of bounds constant buffer offset {}", cbuf.offset);
}
const IR::U32 binding{ir.Imm32(static_cast<u32>(cbuf.binding))};
const IR::U32 byte_offset{ir.Imm32(static_cast<u32>(cbuf.offset) * 4)};
const IR::Value binding{static_cast<u32>(cbuf.binding)};
const IR::Value byte_offset{static_cast<u32>(cbuf.offset) * 4};
return {IR::U32{binding}, IR::U32{byte_offset}};
}
IR::U32 TranslatorVisitor::GetCbuf(u64 insn) {
const auto[binding, byte_offset]{CbufAddr(insn)};
return ir.GetCbuf(binding, byte_offset);
}
IR::F32 TranslatorVisitor::GetFloatCbuf(u64 insn) {
return ir.BitCast<IR::F32>(GetCbuf(insn));
const auto[binding, byte_offset]{CbufAddr(insn)};
return ir.GetFloatCbuf(binding, byte_offset);
}
IR::U32 TranslatorVisitor::GetImm20(u64 insn) {
@ -83,6 +90,7 @@ IR::U32 TranslatorVisitor::GetImm20(u64 insn) {
BitField<20, 19, u64> value;
BitField<56, 1, u64> is_negative;
} const imm{insn};
if (imm.is_negative != 0) {
const s64 raw{static_cast<s64>(imm.value)};
return ir.Imm32(static_cast<s32>(-(1LL << 19) + raw));

85
src/shader_recompiler/frontend/maxwell/translate/impl/load_constant.cpp
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@ -0,0 +1,85 @@
// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "common/bit_field.h"
#include "common/common_types.h"
#include "shader_recompiler/frontend/maxwell/translate/impl/impl.h"
namespace Shader::Maxwell {
namespace {
enum class Mode : u64 {
Default,
IL,
IS,
ISL,
};
enum class Size : u64 {
U8,
S8,
U16,
S16,
B32,
B64,
};
std::pair<IR::U32, IR::U32> Slot(IR::IREmitter& ir, Mode mode, const IR::U32& imm_index,
const IR::U32& reg, const IR::U32& imm) {
switch (mode) {
case Mode::Default:
return {imm_index, ir.IAdd(reg, imm)};
default:
break;
}
throw NotImplementedException("Mode {}", mode);
}
} // Anonymous namespace
void TranslatorVisitor::LDC(u64 insn) {
union {
u64 raw;
BitField<0, 8, IR::Reg> dest_reg;
BitField<8, 8, IR::Reg> src_reg;
BitField<20, 16, s64> offset;
BitField<36, 5, u64> index;
BitField<44, 2, Mode> mode;
BitField<48, 3, Size> size;
} const ldc{insn};
const IR::U32 imm_index{ir.Imm32(static_cast<u32>(ldc.index))};
const IR::U32 reg{X(ldc.src_reg)};
const IR::U32 imm{ir.Imm32(static_cast<s32>(ldc.offset))};
const auto [index, offset]{Slot(ir, ldc.mode, imm_index, reg, imm)};
switch (ldc.size) {
case Size::U8:
X(ldc.dest_reg, ir.GetCbuf(index, offset, 8, false));
break;
case Size::S8:
X(ldc.dest_reg, ir.GetCbuf(index, offset, 8, true));
break;
case Size::U16:
X(ldc.dest_reg, ir.GetCbuf(index, offset, 16, false));
break;
case Size::S16:
X(ldc.dest_reg, ir.GetCbuf(index, offset, 16, true));
break;
case Size::B32:
X(ldc.dest_reg, ir.GetCbuf(index, offset, 32, false));
break;
case Size::B64: {
if (!IR::IsAligned(ldc.dest_reg, 2)) {
throw NotImplementedException("Unaligned destination register");
}
const IR::Value vector{ir.UnpackUint2x32(ir.GetCbuf(index, offset, 64, false))};
for (int i = 0; i < 2; ++i) {
X(ldc.dest_reg + i, IR::U32{ir.CompositeExtract(vector, i)});
}
break;
}
default:
throw NotImplementedException("Invalid size {}", ldc.size.Value());
}
}
} // namespace Shader::Maxwell

4
src/shader_recompiler/frontend/maxwell/translate/impl/not_implemented.cpp
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@ -425,10 +425,6 @@ void TranslatorVisitor::LD(u64) {
ThrowNotImplemented(Opcode::LD);
}
void TranslatorVisitor::LDC(u64) {
ThrowNotImplemented(Opcode::LDC);
}
void TranslatorVisitor::LDL(u64) {
ThrowNotImplemented(Opcode::LDL);
}

135
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
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@ -25,18 +25,13 @@ void AddConstantBufferDescriptor(Info& info, u32 index, u32 count) {
void VisitUsages(Info& info, IR::Inst& inst) {
switch (inst.Opcode()) {
case IR::Opcode::WorkgroupId:
info.uses_workgroup_id = true;
break;
case IR::Opcode::LocalInvocationId:
info.uses_local_invocation_id = true;
break;
case IR::Opcode::CompositeConstructF16x2:
case IR::Opcode::CompositeConstructF16x3:
case IR::Opcode::CompositeConstructF16x4:
case IR::Opcode::CompositeExtractF16x2:
case IR::Opcode::CompositeExtractF16x3:
case IR::Opcode::CompositeExtractF16x4:
case IR::Opcode::SelectF16:
case IR::Opcode::BitCastU16F16:
case IR::Opcode::BitCastF16U16:
case IR::Opcode::PackFloat2x16:
@ -75,13 +70,139 @@ void VisitUsages(Info& info, IR::Inst& inst) {
case IR::Opcode::FPTrunc64:
info.uses_fp64 = true;
break;
case IR::Opcode::GetCbuf:
default:
break;
}
switch (inst.Opcode()) {
case IR::Opcode::GetCbufU8:
case IR::Opcode::GetCbufS8:
case IR::Opcode::UndefU8:
case IR::Opcode::LoadGlobalU8:
case IR::Opcode::LoadGlobalS8:
case IR::Opcode::WriteGlobalU8:
case IR::Opcode::WriteGlobalS8:
case IR::Opcode::LoadStorageU8:
case IR::Opcode::LoadStorageS8:
case IR::Opcode::WriteStorageU8:
case IR::Opcode::WriteStorageS8:
case IR::Opcode::SelectU8:
info.uses_int8 = true;
break;
default:
break;
}
switch (inst.Opcode()) {
case IR::Opcode::GetCbufU16:
case IR::Opcode::GetCbufS16:
case IR::Opcode::UndefU16:
case IR::Opcode::LoadGlobalU16:
case IR::Opcode::LoadGlobalS16:
case IR::Opcode::WriteGlobalU16:
case IR::Opcode::WriteGlobalS16:
case IR::Opcode::LoadStorageU16:
case IR::Opcode::LoadStorageS16:
case IR::Opcode::WriteStorageU16:
case IR::Opcode::WriteStorageS16:
case IR::Opcode::SelectU16:
case IR::Opcode::BitCastU16F16:
case IR::Opcode::BitCastF16U16:
case IR::Opcode::ConvertS16F16:
case IR::Opcode::ConvertS16F32:
case IR::Opcode::ConvertS16F64:
case IR::Opcode::ConvertU16F16:
case IR::Opcode::ConvertU16F32:
case IR::Opcode::ConvertU16F64:
info.uses_int16 = true;
break;
default:
break;
}
switch (inst.Opcode()) {
case IR::Opcode::GetCbufU64:
case IR::Opcode::UndefU64:
case IR::Opcode::LoadGlobalU8:
case IR::Opcode::LoadGlobalS8:
case IR::Opcode::LoadGlobalU16:
case IR::Opcode::LoadGlobalS16:
case IR::Opcode::LoadGlobal32:
case IR::Opcode::LoadGlobal64:
case IR::Opcode::LoadGlobal128:
case IR::Opcode::WriteGlobalU8:
case IR::Opcode::WriteGlobalS8:
case IR::Opcode::WriteGlobalU16:
case IR::Opcode::WriteGlobalS16:
case IR::Opcode::WriteGlobal32:
case IR::Opcode::WriteGlobal64:
case IR::Opcode::WriteGlobal128:
case IR::Opcode::SelectU64:
case IR::Opcode::BitCastU64F64:
case IR::Opcode::BitCastF64U64:
case IR::Opcode::PackUint2x32:
case IR::Opcode::UnpackUint2x32:
case IR::Opcode::IAdd64:
case IR::Opcode::ISub64:
case IR::Opcode::INeg64:
case IR::Opcode::ShiftLeftLogical64:
case IR::Opcode::ShiftRightLogical64:
case IR::Opcode::ShiftRightArithmetic64:
case IR::Opcode::ConvertS64F16:
case IR::Opcode::ConvertS64F32:
case IR::Opcode::ConvertS64F64:
case IR::Opcode::ConvertU64F16:
case IR::Opcode::ConvertU64F32:
case IR::Opcode::ConvertU64F64:
case IR::Opcode::ConvertU64U32:
case IR::Opcode::ConvertU32U64:
case IR::Opcode::ConvertF16U64:
case IR::Opcode::ConvertF32U64:
case IR::Opcode::ConvertF64U64:
info.uses_int64 = true;
break;
default:
break;
}
switch (inst.Opcode()) {
case IR::Opcode::WorkgroupId:
info.uses_workgroup_id = true;
break;
case IR::Opcode::LocalInvocationId:
info.uses_local_invocation_id = true;
break;
case IR::Opcode::GetCbufU8:
case IR::Opcode::GetCbufS8:
case IR::Opcode::GetCbufU16:
case IR::Opcode::GetCbufS16:
case IR::Opcode::GetCbufU32:
case IR::Opcode::GetCbufF32:
case IR::Opcode::GetCbufU64: {
if (const IR::Value index{inst.Arg(0)}; index.IsImmediate()) {
AddConstantBufferDescriptor(info, index.U32(), 1);
} else {
throw NotImplementedException("Constant buffer with non-immediate index");
}
switch (inst.Opcode()) {
case IR::Opcode::GetCbufU8:
case IR::Opcode::GetCbufS8:
info.used_constant_buffer_types |= IR::Type::U8;
break;
case IR::Opcode::GetCbufU16:
case IR::Opcode::GetCbufS16:
info.used_constant_buffer_types |= IR::Type::U16;
break;
case IR::Opcode::GetCbufU32:
info.used_constant_buffer_types |= IR::Type::U32;
break;
case IR::Opcode::GetCbufF32:
info.used_constant_buffer_types |= IR::Type::F32;
break;
case IR::Opcode::GetCbufU64:
info.used_constant_buffer_types |= IR::Type::U64;
break;
default:
break;
}
break;
}
case IR::Opcode::BindlessImageSampleImplicitLod:
case IR::Opcode::BindlessImageSampleExplicitLod:
case IR::Opcode::BindlessImageSampleDrefImplicitLod:

22
src/shader_recompiler/ir_opt/constant_propagation_pass.cpp
Unescape Escape View File

@ -193,7 +193,7 @@ void FoldISub32(IR::Inst& inst) {
// ISub32 is generally used to subtract two constant buffers, compare and replace this with
// zero if they equal.
const auto equal_cbuf{[](IR::Inst* a, IR::Inst* b) {
return a->Opcode() == IR::Opcode::GetCbuf && b->Opcode() == IR::Opcode::GetCbuf &&
return a->Opcode() == IR::Opcode::GetCbufU32 && b->Opcode() == IR::Opcode::GetCbufU32 &&
a->Arg(0) == b->Arg(0) && a->Arg(1) == b->Arg(1);
}};
IR::Inst* op_a{inst.Arg(0).InstRecursive()};
@ -207,7 +207,7 @@ void FoldISub32(IR::Inst& inst) {
// Canonicalize local variables to simplify the following logic
std::swap(op_a, op_b);
}
if (op_b->Opcode() != IR::Opcode::GetCbuf) {
if (op_b->Opcode() != IR::Opcode::GetCbufU32) {
return;
}
IR::Inst* const inst_cbuf{op_b};
@ -277,7 +277,7 @@ void FoldLogicalNot(IR::Inst& inst) {
}
}
template <typename Dest, typename Source>
template <IR::Opcode op, typename Dest, typename Source>
void FoldBitCast(IR::Inst& inst, IR::Opcode reverse) {
const IR::Value value{inst.Arg(0)};
if (value.IsImmediate()) {
@ -285,8 +285,18 @@ void FoldBitCast(IR::Inst& inst, IR::Opcode reverse) {
return;
}
IR::Inst* const arg_inst{value.InstRecursive()};
if (value.InstRecursive()->Opcode() == reverse) {
if (arg_inst->Opcode() == reverse) {
inst.ReplaceUsesWith(arg_inst->Arg(0));
return;
}
if constexpr (op == IR::Opcode::BitCastF32U32) {
if (arg_inst->Opcode() == IR::Opcode::GetCbufU32) {
// Replace the bitcast with a typed constant buffer read
inst.ReplaceOpcode(IR::Opcode::GetCbufF32);
inst.SetArg(0, arg_inst->Arg(0));
inst.SetArg(1, arg_inst->Arg(1));
return;
}
}
}
@ -325,9 +335,9 @@ void ConstantPropagation(IR::Block& block, IR::Inst& inst) {
case IR::Opcode::ISub32:
return FoldISub32(inst);
case IR::Opcode::BitCastF32U32:
return FoldBitCast<f32, u32>(inst, IR::Opcode::BitCastU32F32);
return FoldBitCast<IR::Opcode::BitCastF32U32, f32, u32>(inst, IR::Opcode::BitCastU32F32);
case IR::Opcode::BitCastU32F32:
return FoldBitCast<u32, f32>(inst, IR::Opcode::BitCastF32U32);
return FoldBitCast<IR::Opcode::BitCastU32F32, u32, f32>(inst, IR::Opcode::BitCastF32U32);
case IR::Opcode::IAdd64:
return FoldAdd<u64>(block, inst);
case IR::Opcode::SelectU32:

2
src/shader_recompiler/ir_opt/global_memory_to_storage_buffer_pass.cpp
Unescape Escape View File

@ -203,7 +203,7 @@ std::optional<StorageBufferAddr> Track(IR::Block* block, const IR::Value& value,
return std::nullopt;
}
const IR::Inst* const inst{value.InstRecursive()};
if (inst->Opcode() == IR::Opcode::GetCbuf) {
if (inst->Opcode() == IR::Opcode::GetCbufU32) {
const IR::Value index{inst->Arg(0)};
const IR::Value offset{inst->Arg(1)};
if (!index.IsImmediate()) {

2
src/shader_recompiler/ir_opt/texture_pass.cpp
Unescape Escape View File

@ -78,7 +78,7 @@ std::optional<ConstBufferAddr> Track(IR::Block* block, const IR::Value& value,
return std::nullopt;
}
const IR::Inst* const inst{value.InstRecursive()};
if (inst->Opcode() == IR::Opcode::GetCbuf) {
if (inst->Opcode() == IR::Opcode::GetCbufU32) {
const IR::Value index{inst->Arg(0)};
const IR::Value offset{inst->Arg(1)};
if (!index.IsImmediate()) {

6
src/shader_recompiler/shader_info.h
Unescape Escape View File

@ -7,6 +7,7 @@
#include <array>
#include "common/common_types.h"
#include "shader_recompiler/frontend/ir/type.h"
#include <boost/container/small_vector.hpp>
#include <boost/container/static_vector.hpp>
@ -61,10 +62,15 @@ struct Info {
bool uses_fp16_denorms_preserve{};
bool uses_fp32_denorms_flush{};
bool uses_fp32_denorms_preserve{};
bool uses_int8{};
bool uses_int16{};
bool uses_int64{};
bool uses_image_1d{};
bool uses_sampled_1d{};
bool uses_sparse_residency{};
IR::Type used_constant_buffer_types{};
u32 constant_buffer_mask{};
boost::container::static_vector<ConstantBufferDescriptor, MAX_CBUFS>

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