// Copyright 2021 yuzu Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include "shader_recompiler/environment.h"
#include "shader_recompiler/frontend/ir/microinstruction.h"
#include "shader_recompiler/frontend/ir/modifiers.h"
#include "shader_recompiler/frontend/ir/program.h"
#include "shader_recompiler/shader_info.h"
namespace Shader::Optimization {
namespace {
void AddConstantBufferDescriptor(Info& info, u32 index, u32 count) {
if (count != 1) {
throw NotImplementedException("Constant buffer descriptor indexing");
}
if ((info.constant_buffer_mask & (1U << index)) != 0) {
return;
}
info.constant_buffer_mask |= 1U << index;
auto& cbufs{info.constant_buffer_descriptors};
cbufs.insert(std::ranges::lower_bound(cbufs, index, {}, &ConstantBufferDescriptor::index),
ConstantBufferDescriptor{
.index{index},
.count{1},
});
}
void GetAttribute(Info& info, IR::Attribute attribute) {
if (IR::IsGeneric(attribute)) {
info.input_generics.at(IR::GenericAttributeIndex(attribute)).used = true;
return;
}
switch (attribute) {
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
info.loads_position = true;
break;
case IR::Attribute::InstanceId:
info.loads_instance_id = true;
break;
case IR::Attribute::VertexId:
info.loads_vertex_id = true;
break;
case IR::Attribute::FrontFace:
info.loads_front_face = true;
break;
case IR::Attribute::PointSpriteS:
case IR::Attribute::PointSpriteT:
info.loads_point_coord = true;
break;
default:
throw NotImplementedException("Get attribute {}", attribute);
}
}
void SetAttribute(Info& info, IR::Attribute attribute) {
if (IR::IsGeneric(attribute)) {
info.stores_generics.at(IR::GenericAttributeIndex(attribute)) = true;
return;
}
switch (attribute) {
case IR::Attribute::PointSize:
info.stores_point_size = true;
break;
case IR::Attribute::PositionX:
case IR::Attribute::PositionY:
case IR::Attribute::PositionZ:
case IR::Attribute::PositionW:
info.stores_position = true;
break;
case IR::Attribute::ClipDistance0:
case IR::Attribute::ClipDistance1:
case IR::Attribute::ClipDistance2:
case IR::Attribute::ClipDistance3:
case IR::Attribute::ClipDistance4:
case IR::Attribute::ClipDistance5:
case IR::Attribute::ClipDistance6:
case IR::Attribute::ClipDistance7:
info.stores_clip_distance = true;
break;
case IR::Attribute::ViewportIndex:
info.stores_viewport_index = true;
break;
default:
throw NotImplementedException("Set attribute {}", attribute);
}
}
void VisitUsages(Info& info, IR::Inst& inst) {
switch (inst.Opcode()) {
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::CompositeInsertF16x2:
case IR::Opcode::CompositeInsertF16x3:
case IR::Opcode::CompositeInsertF16x4:
case IR::Opcode::SelectF16:
case IR::Opcode::BitCastU16F16:
case IR::Opcode::BitCastF16U16:
case IR::Opcode::PackFloat2x16:
case IR::Opcode::UnpackFloat2x16:
case IR::Opcode::ConvertS16F16:
case IR::Opcode::ConvertS32F16:
case IR::Opcode::ConvertS64F16:
case IR::Opcode::ConvertU16F16:
case IR::Opcode::ConvertU32F16:
case IR::Opcode::ConvertU64F16:
case IR::Opcode::ConvertF16S8:
case IR::Opcode::ConvertF16S16:
case IR::Opcode::ConvertF16S32:
case IR::Opcode::ConvertF16S64:
case IR::Opcode::ConvertF16U8:
case IR::Opcode::ConvertF16U16:
case IR::Opcode::ConvertF16U32:
case IR::Opcode::ConvertF16U64:
case IR::Opcode::FPAbs16:
case IR::Opcode::FPAdd16:
case IR::Opcode::FPCeil16:
case IR::Opcode::FPFloor16:
case IR::Opcode::FPFma16:
case IR::Opcode::FPMul16:
case IR::Opcode::FPNeg16:
case IR::Opcode::FPRoundEven16:
case IR::Opcode::FPSaturate16:
case IR::Opcode::FPClamp16:
case IR::Opcode::FPTrunc16:
case IR::Opcode::FPOrdEqual16:
case IR::Opcode::FPUnordEqual16:
case IR::Opcode::FPOrdNotEqual16:
case IR::Opcode::FPUnordNotEqual16:
case IR::Opcode::FPOrdLessThan16:
case IR::Opcode::FPUnordLessThan16:
case IR::Opcode::FPOrdGreaterThan16:
case IR::Opcode::FPUnordGreaterThan16:
case IR::Opcode::FPOrdLessThanEqual16:
case IR::Opcode::FPUnordLessThanEqual16:
case IR::Opcode::FPOrdGreaterThanEqual16:
case IR::Opcode::FPUnordGreaterThanEqual16:
case IR::Opcode::FPIsNan16:
info.uses_fp16 = true;
break;
case IR::Opcode::CompositeConstructF64x2:
case IR::Opcode::CompositeConstructF64x3:
case IR::Opcode::CompositeConstructF64x4:
case IR::Opcode::CompositeExtractF64x2:
case IR::Opcode::CompositeExtractF64x3:
case IR::Opcode::CompositeExtractF64x4:
case IR::Opcode::CompositeInsertF64x2:
case IR::Opcode::CompositeInsertF64x3:
case IR::Opcode::CompositeInsertF64x4:
case IR::Opcode::SelectF64:
case IR::Opcode::BitCastU64F64:
case IR::Opcode::BitCastF64U64:
case IR::Opcode::PackDouble2x32:
case IR::Opcode::UnpackDouble2x32:
case IR::Opcode::FPAbs64:
case IR::Opcode::FPAdd64:
case IR::Opcode::FPCeil64:
case IR::Opcode::FPFloor64:
case IR::Opcode::FPFma64:
case IR::Opcode::FPMax64:
case IR::Opcode::FPMin64:
case IR::Opcode::FPMul64:
case IR::Opcode::FPNeg64:
case IR::Opcode::FPRecip64:
case IR::Opcode::FPRecipSqrt64:
case IR::Opcode::FPRoundEven64:
case IR::Opcode::FPSaturate64:
case IR::Opcode::FPClamp64:
case IR::Opcode::FPTrunc64:
case IR::Opcode::FPOrdEqual64:
case IR::Opcode::FPUnordEqual64:
case IR::Opcode::FPOrdNotEqual64:
case IR::Opcode::FPUnordNotEqual64:
case IR::Opcode::FPOrdLessThan64:
case IR::Opcode::FPUnordLessThan64:
case IR::Opcode::FPOrdGreaterThan64:
case IR::Opcode::FPUnordGreaterThan64:
case IR::Opcode::FPOrdLessThanEqual64:
case IR::Opcode::FPUnordLessThanEqual64:
case IR::Opcode::FPOrdGreaterThanEqual64:
case IR::Opcode::FPUnordGreaterThanEqual64:
case IR::Opcode::FPIsNan64:
case IR::Opcode::ConvertS16F64:
case IR::Opcode::ConvertS32F64:
case IR::Opcode::ConvertS64F64:
case IR::Opcode::ConvertU16F64:
case IR::Opcode::ConvertU32F64:
case IR::Opcode::ConvertU64F64:
case IR::Opcode::ConvertF32F64:
case IR::Opcode::ConvertF64F32:
case IR::Opcode::ConvertF64S8:
case IR::Opcode::ConvertF64S16:
case IR::Opcode::ConvertF64S32:
case IR::Opcode::ConvertF64S64:
case IR::Opcode::ConvertF64U8:
case IR::Opcode::ConvertF64U16:
case IR::Opcode::ConvertF64U32:
case IR::Opcode::ConvertF64U64:
info.uses_fp64 = true;
break;
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::LoadSharedU8:
case IR::Opcode::LoadSharedS8:
case IR::Opcode::WriteSharedU8:
case IR::Opcode::SelectU8:
case IR::Opcode::ConvertF16S8:
case IR::Opcode::ConvertF16U8:
case IR::Opcode::ConvertF32S8:
case IR::Opcode::ConvertF32U8:
case IR::Opcode::ConvertF64S8:
case IR::Opcode::ConvertF64U8:
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::LoadSharedU16:
case IR::Opcode::LoadSharedS16:
case IR::Opcode::WriteSharedU16:
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:
case IR::Opcode::ConvertF16S16:
case IR::Opcode::ConvertF16U16:
case IR::Opcode::ConvertF32S16:
case IR::Opcode::ConvertF32U16:
case IR::Opcode::ConvertF64S16:
case IR::Opcode::ConvertF64U16:
info.uses_int16 = true;
break;
default:
break;
}
switch (inst.Opcode()) {
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::DemoteToHelperInvocation:
info.uses_demote_to_helper_invocation = true;
break;
case IR::Opcode::GetAttribute:
GetAttribute(info, inst.Arg(0).Attribute());
break;
case IR::Opcode::SetAttribute:
SetAttribute(info, inst.Arg(0).Attribute());
break;
case IR::Opcode::GetAttributeIndexed:
info.loads_indexed_attributes = true;
break;
case IR::Opcode::SetAttributeIndexed:
info.stores_indexed_attributes = true;
break;
case IR::Opcode::SetFragColor:
info.stores_frag_color[inst.Arg(0).U32()] = true;
break;
case IR::Opcode::SetFragDepth:
info.stores_frag_depth = true;
break;
case IR::Opcode::WorkgroupId:
info.uses_workgroup_id = true;
break;
case IR::Opcode::LocalInvocationId:
info.uses_local_invocation_id = true;
break;
case IR::Opcode::ShuffleIndex:
case IR::Opcode::ShuffleUp:
case IR::Opcode::ShuffleDown:
case IR::Opcode::ShuffleButterfly:
case IR::Opcode::LaneId:
info.uses_subgroup_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::GetCbufU32x2: {
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::GetCbufU32x2:
info.used_constant_buffer_types |= IR::Type::U32x2;
break;
default:
break;
}
break;
}
case IR::Opcode::BindlessImageSampleImplicitLod:
case IR::Opcode::BindlessImageSampleExplicitLod:
case IR::Opcode::BindlessImageSampleDrefImplicitLod:
case IR::Opcode::BindlessImageSampleDrefExplicitLod:
case IR::Opcode::BindlessImageGather:
case IR::Opcode::BindlessImageGatherDref:
case IR::Opcode::BindlessImageFetch:
case IR::Opcode::BindlessImageQueryDimensions:
case IR::Opcode::BindlessImageQueryLod:
case IR::Opcode::BindlessImageGradient:
case IR::Opcode::BoundImageSampleImplicitLod:
case IR::Opcode::BoundImageSampleExplicitLod:
case IR::Opcode::BoundImageSampleDrefImplicitLod:
case IR::Opcode::BoundImageSampleDrefExplicitLod:
case IR::Opcode::BoundImageGather:
case IR::Opcode::BoundImageGatherDref:
case IR::Opcode::BoundImageFetch:
case IR::Opcode::BoundImageQueryDimensions:
case IR::Opcode::BoundImageQueryLod:
case IR::Opcode::BoundImageGradient:
case IR::Opcode::ImageSampleImplicitLod:
case IR::Opcode::ImageSampleExplicitLod:
case IR::Opcode::ImageSampleDrefImplicitLod:
case IR::Opcode::ImageSampleDrefExplicitLod:
case IR::Opcode::ImageGather:
case IR::Opcode::ImageGatherDref:
case IR::Opcode::ImageFetch:
case IR::Opcode::ImageQueryDimensions:
case IR::Opcode::ImageQueryLod:
case IR::Opcode::ImageGradient: {
const TextureType type{inst.Flags<IR::TextureInstInfo>().type};
info.uses_sampled_1d |= type == TextureType::Color1D || type == TextureType::ColorArray1D ||
type == TextureType::Shadow1D || type == TextureType::ShadowArray1D;
info.uses_sparse_residency |=
inst.GetAssociatedPseudoOperation(IR::Opcode::GetSparseFromOp) != nullptr;
break;
}
case IR::Opcode::SubgroupEqMask:
case IR::Opcode::SubgroupLtMask:
case IR::Opcode::SubgroupLeMask:
case IR::Opcode::SubgroupGtMask:
case IR::Opcode::SubgroupGeMask:
info.uses_subgroup_mask = true;
break;
case IR::Opcode::VoteAll:
case IR::Opcode::VoteAny:
case IR::Opcode::VoteEqual:
case IR::Opcode::SubgroupBallot:
info.uses_subgroup_vote = true;
break;
case IR::Opcode::FSwizzleAdd:
info.uses_fswzadd = true;
break;
default:
break;
}
}
void VisitFpModifiers(Info& info, IR::Inst& inst) {
switch (inst.Opcode()) {
case IR::Opcode::FPAdd16:
case IR::Opcode::FPFma16:
case IR::Opcode::FPMul16:
case IR::Opcode::FPRoundEven16:
case IR::Opcode::FPFloor16:
case IR::Opcode::FPCeil16:
case IR::Opcode::FPTrunc16: {
const auto control{inst.Flags<IR::FpControl>()};
switch (control.fmz_mode) {
case IR::FmzMode::DontCare:
break;
case IR::FmzMode::FTZ:
case IR::FmzMode::FMZ:
info.uses_fp16_denorms_flush = true;
break;
case IR::FmzMode::None:
info.uses_fp16_denorms_preserve = true;
break;
}
break;
}
case IR::Opcode::FPAdd32:
case IR::Opcode::FPFma32:
case IR::Opcode::FPMul32:
case IR::Opcode::FPRoundEven32:
case IR::Opcode::FPFloor32:
case IR::Opcode::FPCeil32:
case IR::Opcode::FPTrunc32:
case IR::Opcode::FPOrdEqual32:
case IR::Opcode::FPUnordEqual32:
case IR::Opcode::FPOrdNotEqual32:
case IR::Opcode::FPUnordNotEqual32:
case IR::Opcode::FPOrdLessThan32:
case IR::Opcode::FPUnordLessThan32:
case IR::Opcode::FPOrdGreaterThan32:
case IR::Opcode::FPUnordGreaterThan32:
case IR::Opcode::FPOrdLessThanEqual32:
case IR::Opcode::FPUnordLessThanEqual32:
case IR::Opcode::FPOrdGreaterThanEqual32:
case IR::Opcode::FPUnordGreaterThanEqual32:
case IR::Opcode::ConvertF16F32:
case IR::Opcode::ConvertF64F32: {
const auto control{inst.Flags<IR::FpControl>()};
switch (control.fmz_mode) {
case IR::FmzMode::DontCare:
break;
case IR::FmzMode::FTZ:
case IR::FmzMode::FMZ:
info.uses_fp32_denorms_flush = true;
break;
case IR::FmzMode::None:
info.uses_fp32_denorms_preserve = true;
break;
}
break;
}
default:
break;
}
}
void Visit(Info& info, IR::Inst& inst) {
VisitUsages(info, inst);
VisitFpModifiers(info, inst);
}
void GatherInfoFromHeader(Environment& env, Info& info) {
Stage stage{env.ShaderStage()};
if (stage == Stage::Compute) {
return;
}
const auto& header{env.SPH()};
if (stage == Stage::Fragment) {
if (!info.loads_indexed_attributes) {
return;
}
for (size_t i = 0; i < info.input_generics.size(); i++) {
info.input_generics[i].used |= header.ps.IsGenericVectorActive(i);
}
info.loads_position |= header.ps.imap_systemb.position != 0;
return;
}
if (info.loads_indexed_attributes) {
for (size_t i = 0; i < info.input_generics.size(); i++) {
info.input_generics[i].used |= header.vtg.IsInputGenericVectorActive(i);
}
info.loads_position |= header.vtg.imap_systemb.position != 0;
}
if (info.stores_indexed_attributes) {
for (size_t i = 0; i < info.stores_generics.size(); i++) {
info.stores_generics[i] |= header.vtg.IsOutputGenericVectorActive(i);
}
info.stores_clip_distance |= header.vtg.omap_systemc.clip_distances != 0;
info.stores_position |= header.vtg.omap_systemb.position != 0;
}
}
} // Anonymous namespace
void CollectShaderInfoPass(Environment& env, IR::Program& program) {
Info& info{program.info};
for (IR::Block* const block : program.post_order_blocks) {
for (IR::Inst& inst : block->Instructions()) {
Visit(info, inst);
}
}
GatherInfoFromHeader(env, info);
}
} // namespace Shader::Optimization
