Files
KytyPS5/src/graphics/shader/recompiler/emitter/spirvEmitterAnalysis.cpp
T
nmzik 86a586025f renderer: expand rectangle lists with tessellation
Remove the legacy NGG rectangle workaround and its configuration toggle.
2026-08-03 00:35:02 +02:00

709 lines
26 KiB
C++

#include "common/assert.h"
#include "graphics/guest_gpu/gpu_defs.h"
#include "graphics/shader/recompiler/emitter/SpirvEmitter.h"
#include "graphics/shader/recompiler/emitter/spirvEmitterInternal.h"
namespace Libs::Graphics::ShaderRecompiler::Spirv::Emitter {
uint32_t PixelParameterMappedLocation(const EmitterState& state, uint32_t attr) {
const auto* ps = state.pixel_input_info;
if (state.stage != ShaderType::Pixel || ps == nullptr) {
return attr;
}
return ShaderPixelParameterMappedLocation(*ps, attr);
}
uint32_t PixelParameterLocation(const EmitterState& state, uint32_t attr) {
std::array<uint32_t, 32> active_inputs {};
uint32_t active_count = 0;
for (const auto& input: state.inputs) {
if (input.kind == IR::StageInputKind::Parameter) {
active_inputs[active_count++] = input.location;
}
}
return state.stage == ShaderType::Pixel && state.pixel_input_info != nullptr
? ShaderPixelParameterLocation(*state.pixel_input_info,
{active_inputs.data(), active_count}, attr)
: attr;
}
bool PixelParameterIsFlat(const EmitterState& state, uint32_t attr) {
const auto* ps = state.pixel_input_info;
return state.stage == ShaderType::Pixel && ps != nullptr &&
ShaderPixelParameterIsFlat(*ps, attr);
}
void SetError(std::string* error, const char* message) {
if (error != nullptr) {
*error = message;
}
}
void CollectRegister(std::vector<RegisterBinding>& registers, IR::Register reg) {
if (std::any_of(registers.begin(), registers.end(),
[reg](const RegisterBinding& binding) { return binding.reg == reg; })) {
return;
}
registers.push_back({reg, 0});
}
IR::Operand MakeRegisterOperand(IR::RegisterFile file, uint32_t index) {
IR::Operand operand;
operand.kind = IR::OperandKind::Register;
operand.reg = {file, index};
return operand;
}
IR::Register SccRegister() {
return {IR::RegisterFile::Scc, static_cast<uint32_t>(Decoder::OperandKind::Scc)};
}
IR::Operand SccOperand() {
return MakeRegisterOperand(IR::RegisterFile::Scc,
static_cast<uint32_t>(Decoder::OperandKind::Scc));
}
bool IsInactiveWave32ExecHigh(const EmitterState& state, IR::Register reg) {
return state.wave_size == 32u && reg.file == IR::RegisterFile::Exec && reg.index == 1u;
}
bool IsMaskRegisterFile(IR::RegisterFile file) {
return file == IR::RegisterFile::Exec || file == IR::RegisterFile::Vcc;
}
bool IsSccOperand(const IR::Operand& operand) {
return operand.kind == IR::OperandKind::Register && operand.reg.file == IR::RegisterFile::Scc;
}
bool IsCompareOpcode(IR::Opcode op);
void CollectMaskStateRegisters(std::vector<RegisterBinding>& registers) {
CollectRegister(registers, {IR::RegisterFile::Exec, 0});
CollectRegister(registers, {IR::RegisterFile::Exec, 1});
CollectRegister(registers, {IR::RegisterFile::Vcc, 0});
CollectRegister(registers, {IR::RegisterFile::Vcc, 1});
CollectRegister(registers, SccRegister());
}
void CollectSequentialRegisters(std::vector<RegisterBinding>& registers, const IR::Operand& base,
uint32_t count) {
if (base.kind != IR::OperandKind::Register) {
return;
}
for (uint32_t i = 0; i < count; i++) {
auto reg = base.reg;
reg.index += i;
CollectRegister(registers, reg);
}
}
uint32_t MaxCollectedVectorRegisterEnd(const std::vector<RegisterBinding>& registers) {
uint32_t max_end = 0;
for (const auto& binding: registers) {
if (binding.reg.file == IR::RegisterFile::Vector) {
max_end = std::max(max_end, binding.reg.index + 1u);
}
}
return std::min(max_end, 256u);
}
void CollectMoveRelSourceRegisters(const IR::Program& program,
std::vector<RegisterBinding>& registers) {
const auto max_vector_end = MaxCollectedVectorRegisterEnd(registers);
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op != IR::Opcode::MoveRelSourceU32 ||
inst.src[0].kind != IR::OperandKind::Register ||
inst.src[0].reg.file != IR::RegisterFile::Vector) {
continue;
}
const auto base_index = inst.src[0].reg.index;
const auto limit = std::min(std::max(max_vector_end, base_index + 1u), 256u);
CollectSequentialRegisters(registers, inst.src[0], limit - base_index);
}
}
}
bool IsPairDwordOpcode(IR::Opcode op) {
switch (op) {
case IR::Opcode::MoveU64:
case IR::Opcode::WqmB64:
case IR::Opcode::SaveexecB64:
case IR::Opcode::BitwiseAndU64:
case IR::Opcode::BitwiseAndNotU64:
case IR::Opcode::BitwiseOrU64:
case IR::Opcode::BitwiseOrNotU64:
case IR::Opcode::BitwiseXorU64:
case IR::Opcode::BitwiseNandU64:
case IR::Opcode::BitwiseNorU64:
case IR::Opcode::BitwiseXnorU64:
case IR::Opcode::BitwiseNotU64:
case IR::Opcode::BitFieldMaskU64:
case IR::Opcode::BitFieldExtractU64:
case IR::Opcode::BitReplicateB64B32:
case IR::Opcode::ShiftLeftLogicalU64:
case IR::Opcode::ShiftRightLogicalU64:
case IR::Opcode::SelectU64: return true;
default: return false;
}
}
uint32_t PairDwordSourceCount(IR::Opcode op, uint32_t src_count) {
switch (op) {
case IR::Opcode::BitFieldMaskU64: return 0;
case IR::Opcode::BitReplicateB64B32: return 0;
case IR::Opcode::BitFieldExtractU64: return 1;
case IR::Opcode::ShiftLeftLogicalU64:
case IR::Opcode::ShiftRightLogicalU64:
case IR::Opcode::BitwiseNotU64:
case IR::Opcode::SaveexecB64:
case IR::Opcode::WqmB64:
case IR::Opcode::MoveU64: return std::min<uint32_t>(src_count, 1u);
default: return src_count;
}
}
void CollectRegisters(const IR::Program& program, std::vector<RegisterBinding>& registers) {
CollectMaskStateRegisters(registers);
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.dst.kind == IR::OperandKind::Register) {
CollectRegister(registers, inst.dst.reg);
}
if (inst.dst2.kind == IR::OperandKind::Register) {
CollectRegister(registers, inst.dst2.reg);
}
for (uint32_t i = 0; i < inst.src_count; i++) {
if (inst.src[i].kind == IR::OperandKind::Register) {
CollectRegister(registers, inst.src[i].reg);
}
}
if (IsPairDwordOpcode(inst.op)) {
CollectSequentialRegisters(registers, inst.dst, 2);
const uint32_t first_pair_src = inst.op == IR::Opcode::SelectU64 ? 1u : 0u;
const uint32_t pair_src_count = PairDwordSourceCount(inst.op, inst.src_count);
for (uint32_t i = first_pair_src; i < pair_src_count; i++) {
CollectSequentialRegisters(registers, inst.src[i], 2);
}
}
if (inst.op == IR::Opcode::BitCountU64 || inst.op == IR::Opcode::FindMsbFromHighU64) {
CollectSequentialRegisters(registers, inst.src[0], 2);
}
if (inst.op == IR::Opcode::CompareNeU64) {
CollectSequentialRegisters(registers, inst.src[0], 2);
CollectSequentialRegisters(registers, inst.src[1], 2);
}
if (IsCompareOpcode(inst.op) && inst.dst.kind == IR::OperandKind::Register &&
inst.dst.reg.file != IR::RegisterFile::Scc) {
CollectSequentialRegisters(registers, inst.dst, 2);
}
if (inst.op == IR::Opcode::IAddCarryU32 || inst.op == IR::Opcode::ISubBorrowU32) {
CollectSequentialRegisters(registers, inst.dst2, 2);
}
if (inst.op == IR::Opcode::UMadU64U32) {
CollectSequentialRegisters(registers, inst.dst, 2);
CollectSequentialRegisters(registers, inst.dst2, 2);
CollectSequentialRegisters(registers, inst.src[2], 2);
}
if (inst.op == IR::Opcode::SBufferLoadDword &&
inst.memory.kind == IR::ResourceKind::ScalarBuffer) {
CollectRegister(registers, {IR::RegisterFile::Scalar, inst.memory.resource * 4u});
}
if ((inst.op == IR::Opcode::ImageSample || inst.op == IR::Opcode::ImageGather4) &&
inst.memory.image_address_components > 1u) {
CollectSequentialRegisters(registers, inst.dst, inst.memory.data_dwords);
CollectSequentialRegisters(registers, inst.src[0],
inst.memory.image_address_components);
}
if (inst.op == IR::Opcode::ImageGetLod) {
CollectSequentialRegisters(registers, inst.dst, inst.memory.data_dwords);
CollectSequentialRegisters(registers, inst.src[0],
inst.memory.image_address_components);
}
if (inst.op == IR::Opcode::ImageLoad) {
CollectSequentialRegisters(registers, inst.dst, inst.memory.data_dwords);
CollectSequentialRegisters(registers, inst.src[0],
inst.memory.image_address_components);
}
if (inst.op == IR::Opcode::ImageStore) {
CollectSequentialRegisters(registers, inst.src[0], inst.memory.data_dwords);
CollectSequentialRegisters(registers, inst.src[1],
inst.memory.image_address_components);
}
if (inst.memory.kind == IR::ResourceKind::StorageImageUint) {
CollectSequentialRegisters(registers, inst.src[1],
inst.memory.image_address_components);
}
}
}
CollectMoveRelSourceRegisters(program, registers);
}
bool HasOutput(const std::vector<OutputBinding>& outputs, IR::StageOutputKind kind,
uint32_t index) {
return std::any_of(outputs.begin(), outputs.end(), [kind, index](const OutputBinding& binding) {
return binding.kind == kind && binding.index == index;
});
}
void CopyProgramInputsAndOutputs(EmitterState& state, const IR::Program& program) {
for (const auto& input: program.info.inputs) {
state.inputs.push_back(
{input.kind, input.location, input.component_count, 0, input.debug_name});
}
for (const auto& output: program.info.outputs) {
if (HasOutput(state.outputs, output.kind, output.index)) {
continue;
}
state.outputs.push_back({output.kind, output.index, output.location, 0, output.debug_name});
}
}
uint32_t OutputVariableForExport(const EmitterState& state, const IR::ExportInfo& exp) {
if (exp.kind == IR::ExportTargetKind::Position) {
return state.per_vertex_variable;
}
if (exp.kind == IR::ExportTargetKind::MrtZ) {
return state.depth_variable;
}
for (const auto& binding: state.outputs) {
const auto expected_kind = exp.kind == IR::ExportTargetKind::Mrt
? IR::StageOutputKind::Mrt
: IR::StageOutputKind::Parameter;
if (binding.kind == expected_kind && binding.index == exp.index) {
return binding.variable_id;
}
}
return 0;
}
bool ProgramNeedsComputeDerivatives(const IR::Program& program) {
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op == IR::Opcode::ImageGetLod) {
return true;
}
}
}
return false;
}
bool ProgramNeedsImageGatherExtended(const IR::Program& program) {
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op == IR::Opcode::ImageGather4) {
return true;
}
}
}
return false;
}
bool IsLdsOpcode(IR::Opcode op) {
switch (op) {
case IR::Opcode::DsReadUbyte:
case IR::Opcode::DsReadSbyte:
case IR::Opcode::DsReadUshort:
case IR::Opcode::DsReadSshort:
case IR::Opcode::DsReadB32:
case IR::Opcode::DsWriteByte:
case IR::Opcode::DsWriteShort:
case IR::Opcode::DsWriteB32:
case IR::Opcode::DsMinF32:
case IR::Opcode::DsMaxF32:
case IR::Opcode::DsSwizzleB32:
case IR::Opcode::DsWriteAddtidB32:
case IR::Opcode::DsReadAddtidB32: return true;
default: return false;
}
}
bool ProgramNeedsFunctionLds(const IR::Program& program) {
if (program.stage == ShaderType::Compute) {
return false;
}
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (IsLdsOpcode(inst.op)) {
return true;
}
}
}
return false;
}
bool ProgramNeedsPixelValidMask(const IR::Program& program) {
if (program.stage != ShaderType::Pixel) {
return false;
}
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op == IR::Opcode::Export && inst.export_info.vm) {
return true;
}
}
}
return false;
}
bool InstructionHasDppSource(const IR::Instruction& inst) {
for (uint32_t i = 0; i < inst.src_count && i < 3u; i++) {
if (inst.src[i].dpp) {
return true;
}
}
return false;
}
bool ProgramNeedsSubgroupBallot(const IR::Program& program) {
if (program.lane_mask_mode == ShaderLaneMaskMode::PerInvocation) {
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op == IR::Opcode::WqmB64) {
return true;
}
}
}
}
return ProgramRequiresExactSubgroupSize(program);
}
bool ProgramNeedsSubgroupShuffle(const IR::Program& program) {
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op == IR::Opcode::ReadFirstLaneU32 || inst.op == IR::Opcode::ReadLaneU32 ||
inst.op == IR::Opcode::Permlane16B32 || inst.op == IR::Opcode::Permlanex16B32 ||
inst.op == IR::Opcode::DsSwizzleB32 || inst.op == IR::Opcode::DsConsume ||
inst.op == IR::Opcode::DsAppend || InstructionHasDppSource(inst)) {
return true;
}
}
}
return false;
}
bool IsCompareOpcode(IR::Opcode op) {
switch (op) {
case IR::Opcode::CompareFalse:
case IR::Opcode::CompareTrue:
case IR::Opcode::CompareEqU32:
case IR::Opcode::CompareNeU32:
case IR::Opcode::CompareGtU32:
case IR::Opcode::CompareGeU32:
case IR::Opcode::CompareLtU32:
case IR::Opcode::CompareLeU32:
case IR::Opcode::CompareNeU64:
case IR::Opcode::CompareMaskEqU32:
case IR::Opcode::CompareMaskNeU32:
case IR::Opcode::CompareMaskGtU32:
case IR::Opcode::CompareMaskGeU32:
case IR::Opcode::CompareMaskLtU32:
case IR::Opcode::CompareMaskLeU32:
case IR::Opcode::CompareEqI32:
case IR::Opcode::CompareNeI32:
case IR::Opcode::CompareGtI32:
case IR::Opcode::CompareGeI32:
case IR::Opcode::CompareLtI32:
case IR::Opcode::CompareLeI32:
case IR::Opcode::CompareEqI16:
case IR::Opcode::CompareNeI16:
case IR::Opcode::CompareGtI16:
case IR::Opcode::CompareGeI16:
case IR::Opcode::CompareLtI16:
case IR::Opcode::CompareLeI16:
case IR::Opcode::CompareMaskEqI32:
case IR::Opcode::CompareMaskNeI32:
case IR::Opcode::CompareMaskGtI32:
case IR::Opcode::CompareMaskGeI32:
case IR::Opcode::CompareMaskLtI32:
case IR::Opcode::CompareMaskLeI32:
case IR::Opcode::CompareEqU16:
case IR::Opcode::CompareNeU16:
case IR::Opcode::CompareGtU16:
case IR::Opcode::CompareGeU16:
case IR::Opcode::CompareLtU16:
case IR::Opcode::CompareLeU16:
case IR::Opcode::CompareEqF32:
case IR::Opcode::CompareNeF32:
case IR::Opcode::CompareGtF32:
case IR::Opcode::CompareGeF32:
case IR::Opcode::CompareLtF32:
case IR::Opcode::CompareLeF32:
case IR::Opcode::CompareOrderedF32:
case IR::Opcode::CompareUnorderedF32:
case IR::Opcode::CompareUnordEqF32:
case IR::Opcode::CompareUnordNeF32:
case IR::Opcode::CompareUnordGtF32:
case IR::Opcode::CompareUnordGeF32:
case IR::Opcode::CompareUnordLtF32:
case IR::Opcode::CompareUnordLeF32:
case IR::Opcode::CompareClassF32:
case IR::Opcode::CompareEqF16:
case IR::Opcode::CompareNeF16:
case IR::Opcode::CompareGtF16:
case IR::Opcode::CompareGeF16:
case IR::Opcode::CompareLtF16:
case IR::Opcode::CompareLeF16:
case IR::Opcode::CompareUnordNeF16:
case IR::Opcode::CompareMaskEqF16:
case IR::Opcode::CompareMaskNeF16:
case IR::Opcode::CompareMaskGtF16:
case IR::Opcode::CompareMaskGeF16:
case IR::Opcode::CompareMaskLtF16:
case IR::Opcode::CompareMaskLeF16:
case IR::Opcode::CompareMaskUnordNeF16:
case IR::Opcode::CompareMaskUnordGeF16:
case IR::Opcode::CompareMaskEqF32:
case IR::Opcode::CompareMaskNeF32:
case IR::Opcode::CompareMaskGtF32:
case IR::Opcode::CompareMaskGeF32:
case IR::Opcode::CompareMaskLtF32:
case IR::Opcode::CompareMaskLeF32:
case IR::Opcode::CompareMaskUnordEqF32:
case IR::Opcode::CompareMaskUnordNeF32:
case IR::Opcode::CompareMaskUnordGtF32:
case IR::Opcode::CompareMaskUnordGeF32:
case IR::Opcode::CompareMaskUnordLtF32:
case IR::Opcode::CompareMaskUnordLeF32: return true;
default: return false;
}
}
bool ProgramNeedsSubgroupLocalInvocationId(const IR::Program& program) {
for (const auto& block: program.blocks) {
for (const auto& inst: block.instructions) {
if (inst.op == IR::Opcode::WqmB64 || inst.op == IR::Opcode::DsSwizzleB32 ||
inst.op == IR::Opcode::DsConsume || inst.op == IR::Opcode::DsAppend ||
inst.op == IR::Opcode::WriteLaneU32 || inst.op == IR::Opcode::Permlane16B32 ||
inst.op == IR::Opcode::Permlanex16B32 || inst.op == IR::Opcode::Export ||
InstructionHasDppSource(inst)) {
return true;
}
if (IsCompareOpcode(inst.op)) {
return true;
}
if (inst.dst.kind == IR::OperandKind::Register &&
inst.dst.reg.file == IR::RegisterFile::Vector) {
return true;
}
if (inst.dst2.kind == IR::OperandKind::Register &&
inst.dst2.reg.file == IR::RegisterFile::Vector) {
return true;
}
}
}
return false;
}
uint32_t PointerForRegister(const EmitterState& state, IR::Register reg) {
for (const auto& binding: state.registers) {
if (binding.reg == reg) {
return binding.pointer_id;
}
}
return 0;
}
uint32_t ConstantU32(EmitterState& state, uint32_t value);
void EmitStoreU32(EmitterState& state, const IR::Operand& dst, uint32_t value);
uint32_t EmitSubgroupLocalInvocationId(EmitterState& state);
uint32_t EmitLaneIndexActiveBool(EmitterState& state, uint32_t lane);
[[noreturn]] void ExitDescriptorBindingFailure(const EmitterState& state,
IR::DescriptorBindingKind kind, uint32_t resource,
const char* reason) {
EXIT("shader binding resolution failed during SPIR-V emit: hash=0x%016" PRIx64
" stage=%u resource=%" PRIu32 " binding_kind=%u reason=%s\n",
state.program.shader_hash, static_cast<unsigned>(state.stage), resource,
static_cast<unsigned>(kind), reason);
std::abort();
}
DescriptorResourceBinding ResourceForDescriptor(const EmitterState& state,
IR::DescriptorBindingKind kind, uint32_t resource) {
const auto* descriptor = IR::FindBinding(state.program.bindings, kind);
if (descriptor == nullptr) {
ExitDescriptorBindingFailure(state, kind, resource, "descriptor group was not allocated");
}
const auto found =
std::find(descriptor->resources.begin(), descriptor->resources.end(), resource);
if (found == descriptor->resources.end()) {
ExitDescriptorBindingFailure(state, kind, resource,
"resource is absent from descriptor group");
}
return {descriptor, static_cast<uint32_t>(found - descriptor->resources.begin())};
}
uint32_t DescriptorElementPointer(EmitterState& state, uint32_t result_ptr_type,
uint32_t variable_id, uint32_t array_index,
IR::DescriptorBindingKind kind, uint32_t resource,
const char* variable_name) {
if (variable_id == 0) {
ExitDescriptorBindingFailure(state, kind, resource, variable_name);
}
const auto pointer = state.builder.AllocateId();
state.builder.AddFunction(
{OpAccessChain, result_ptr_type, pointer, variable_id, ConstantU32(state, array_index)});
return pointer;
}
ImageViewKind ImageViewKindFromDimension(Decoder::ImageDimension dimension) {
switch (dimension) {
case Decoder::ImageDimension::Dim1D: return ImageViewKind::Dim1D;
case Decoder::ImageDimension::Dim1DArray: return ImageViewKind::Dim1DArray;
case Decoder::ImageDimension::Dim2DArray: return ImageViewKind::Dim2DArray;
case Decoder::ImageDimension::Dim3D: return ImageViewKind::Dim3D;
case Decoder::ImageDimension::Dim2DMsaa: return ImageViewKind::Dim2DMsaa;
case Decoder::ImageDimension::Dim2DMsaaArray: return ImageViewKind::Dim2DMsaaArray;
default: return ImageViewKind::Dim2D;
}
}
ImageViewKind SampledImageViewKind(const EmitterState& state, const IR::MemoryInfo& mem,
uint32_t use_pc) {
(void)state;
(void)use_pc;
return ImageViewKindFromDimension(mem.image_dimension);
}
ImageViewKind StorageImageViewKind(const EmitterState& state, const IR::MemoryInfo& mem,
bool uint_image, uint32_t use_pc) {
(void)state;
(void)uint_image;
(void)use_pc;
return ImageViewKindFromDimension(mem.image_dimension);
}
uint32_t ImageViewCoordinateComponents(ImageViewKind view) {
switch (view) {
case ImageViewKind::Dim1D: return 1u;
case ImageViewKind::Dim1DArray:
case ImageViewKind::Dim2D: return 2u;
case ImageViewKind::Dim2DArray:
case ImageViewKind::Dim2DMsaaArray:
case ImageViewKind::Dim3D: return 3u;
case ImageViewKind::Dim2DMsaa: return 2u;
default: return 0u;
}
}
uint32_t ImageViewSpatialComponents(ImageViewKind view) {
switch (view) {
case ImageViewKind::Dim1D:
case ImageViewKind::Dim1DArray: return 1u;
case ImageViewKind::Dim2D:
case ImageViewKind::Dim2DArray:
case ImageViewKind::Dim2DMsaa:
case ImageViewKind::Dim2DMsaaArray: return 2u;
case ImageViewKind::Dim3D: return 3u;
default: return 0u;
}
}
uint32_t ImageViewImageType(const EmitterState& state, ImageViewKind view, bool integer) {
return state.sampled_images[SampledImageIndex(integer, view)].image_type;
}
uint32_t ImageViewSampledImageType(const EmitterState& state, ImageViewKind view, bool integer) {
return state.sampled_images[SampledImageIndex(integer, view)].sampled_image_type;
}
uint32_t ImageViewSizeType(const EmitterState& state, ImageViewKind view) {
switch (ImageViewCoordinateComponents(view)) {
case 1u: return state.uint_type;
case 2u: return state.vec2_uint_type;
case 3u: return state.vec3_uint_type;
default: return 0;
}
}
uint32_t StorageImageType(const EmitterState& state, bool uint_image, ImageViewKind view) {
return state.storage_images[StorageImageIndex(uint_image, view)].image_type;
}
uint32_t StorageImagePointerType(const EmitterState& state, bool uint_image, ImageViewKind view) {
return state.storage_images[StorageImageIndex(uint_image, view)].pointer_type;
}
uint32_t StorageImageVariable(const EmitterState& state, bool uint_image, ImageViewKind view) {
return state.storage_images[StorageImageIndex(uint_image, view)].variable;
}
uint32_t LoadSampledImageDescriptor(EmitterState& state, const IR::MemoryInfo& mem, uint32_t use_pc,
ImageViewKind view) {
(void)use_pc;
const bool integer = mem.kind == IR::ResourceKind::ImageUint;
const auto kind = SampledBindingKind(integer, view);
const auto binding = ResourceForDescriptor(state, kind, mem.resource);
const auto& descriptors = state.sampled_images[SampledImageIndex(integer, view)];
const auto pointer = DescriptorElementPointer(
state, descriptors.pointer_type, descriptors.variable, binding.array_index, kind,
mem.resource, "sampled image descriptor array was not emitted");
const auto image = state.builder.AllocateId();
state.builder.AddFunction({OpLoad, ImageViewImageType(state, view, integer), image, pointer});
return image;
}
uint32_t LoadSamplerDescriptor(EmitterState& state, uint32_t sampler, uint32_t use_pc) {
(void)use_pc;
const auto binding = ResourceForDescriptor(state, IR::DescriptorBindingKind::Samplers, sampler);
const auto pointer = DescriptorElementPointer(
state, state.ptr_uniform_sampler, state.sampler_variable, binding.array_index,
IR::DescriptorBindingKind::Samplers, sampler, "sampler descriptor array was not emitted");
const auto sampler_id = state.builder.AllocateId();
state.builder.AddFunction({OpLoad, state.sampler_type, sampler_id, pointer});
return sampler_id;
}
uint32_t MakeSampledImage(EmitterState& state, const IR::MemoryInfo& mem, uint32_t use_pc,
ImageViewKind view) {
const auto image = LoadSampledImageDescriptor(state, mem, use_pc, view);
const auto sampler = LoadSamplerDescriptor(state, mem.sampler, use_pc);
if (image == 0 || sampler == 0) {
ExitDescriptorBindingFailure(
state, SampledBindingKind(mem.kind == IR::ResourceKind::ImageUint, view), mem.resource,
"sampled image or sampler descriptor load failed");
}
const auto sampled_image = state.builder.AllocateId();
state.builder.AddFunction(
{OpSampledImage,
ImageViewSampledImageType(state, view, mem.kind == IR::ResourceKind::ImageUint),
sampled_image, image, sampler});
return sampled_image;
}
uint32_t StorageImageDescriptorPointer(EmitterState& state, uint32_t resource, bool uint_image,
uint32_t use_pc, ImageViewKind view) {
(void)use_pc;
const auto kind = StorageBindingKind(uint_image, view);
const auto binding = ResourceForDescriptor(state, kind, resource);
const auto ptr_type = StorageImagePointerType(state, uint_image, view);
const auto variable = StorageImageVariable(state, uint_image, view);
return DescriptorElementPointer(state, ptr_type, variable, binding.array_index, kind, resource,
"storage image descriptor array was not emitted");
}
uint32_t LoadStorageImageDescriptor(EmitterState& state, uint32_t resource, bool uint_image,
uint32_t use_pc, ImageViewKind view) {
const auto pointer = StorageImageDescriptorPointer(state, resource, uint_image, use_pc, view);
if (pointer == 0) {
ExitDescriptorBindingFailure(state, StorageBindingKind(uint_image, view), resource,
"storage image descriptor pointer creation failed");
}
const auto type = StorageImageType(state, uint_image, view);
const auto image = state.builder.AllocateId();
state.builder.AddFunction({OpLoad, type, image, pointer});
return image;
}
uint32_t ExecutionModelForStage(ShaderType stage) {
switch (stage) {
case ShaderType::Vertex: return ExecutionModelVertex;
case ShaderType::Pixel: return ExecutionModelFragment;
default: return ExecutionModelGLCompute;
}
}
} // namespace Libs::Graphics::ShaderRecompiler::Spirv::Emitter