mirror of
https://github.com/KytyPS5/KytyPS5.git
synced 2026-10-19 18:36:53 +02:00
Claxten
444 lines
17 KiB
C++
444 lines
17 KiB
C++
#include "graphics/shader/recompiler/ir/passes/ShaderInfoCollection.h"
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#include "common/assert.h"
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#include "graphics/shader/recompiler/ir/ShaderIR.h"
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#include <algorithm>
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#include <fmt/format.h>
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namespace Libs::Graphics::ShaderRecompiler::IR {
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namespace {
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[[noreturn]] void Fail(std::string_view message) {
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EXIT("shader info collection failed: %s", std::string(message).c_str());
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std::abort();
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}
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void AddInput(ShaderInfo& info, StageInputKind kind, uint32_t location, uint32_t components,
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std::string name, bool per_vertex = false) {
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const auto input = std::find_if(info.inputs.begin(), info.inputs.end(), [=](const auto& value) {
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return value.kind == kind && value.location == location;
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});
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if (input == info.inputs.end()) {
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info.inputs.push_back({kind, location, components, std::move(name), per_vertex});
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} else {
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input->component_count = std::max(input->component_count, components);
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input->per_vertex = input->per_vertex || per_vertex;
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}
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}
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bool HasOutput(const ShaderInfo& info, StageOutputKind kind, uint32_t index) {
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return std::any_of(info.outputs.begin(), info.outputs.end(), [=](const auto& output) {
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return output.kind == kind && output.index == index;
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});
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}
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void AddOutput(ShaderInfo& info, StageOutputKind kind, uint32_t index, uint32_t location,
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std::string name) {
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if (!HasOutput(info, kind, index)) {
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info.outputs.push_back({kind, index, location, std::move(name)});
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}
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}
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void ValidateOptions(const Program& program, ShaderStageInputInfo input_info) {
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switch (program.stage) {
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case ShaderType::Vertex:
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case ShaderType::Local:
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case ShaderType::TessellationControl:
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case ShaderType::TessellationEvaluation:
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case ShaderType::Mesh:
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if (input_info.vertex == nullptr) {
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return Fail("vertex shader has no input metadata");
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}
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if (input_info.vertex->resources_num < 0 ||
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input_info.vertex->resources_num > ShaderVertexInputInfo::RES_MAX) {
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return Fail("vertex resource count is out of range");
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}
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return;
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case ShaderType::Pixel:
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if (input_info.pixel == nullptr) {
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return Fail("pixel shader has no input metadata");
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}
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if (input_info.pixel->input_num > std::size(input_info.pixel->interpolator_settings)) {
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return Fail("pixel input count is out of range");
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}
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return;
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case ShaderType::Compute:
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if (input_info.compute == nullptr) {
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return Fail("compute shader has no input metadata");
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}
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if (input_info.compute->thread_ids_num < 0 || input_info.compute->thread_ids_num > 3) {
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return Fail("compute thread ID count is out of range");
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}
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return;
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default: return Fail("unsupported shader stage for info collection");
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}
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}
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void ValidateValueReferences(const Program& program, ShaderStageInputInfo input_info) {
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for (const auto* block: program.blocks) {
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for (const auto& inst: *block) {
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switch (inst.GetOpcode()) {
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case ValueOpcode::GetAttribute: {
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if (!inst.Arg(0).IsImmediate() || inst.Arg(0).GetType() != Type::U32 ||
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!inst.Arg(1).IsImmediate() || inst.Arg(1).GetType() != Type::U32) {
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return Fail("typed attribute reference is not constant");
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}
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if ((program.stage == ShaderType::Vertex ||
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program.stage == ShaderType::Local) &&
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(inst.Arg(1).U32() >= 4u ||
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inst.Arg(0).U32() >=
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static_cast<uint32_t>(input_info.vertex->resources_num))) {
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return Fail("vertex input reference is out of range");
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}
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if (program.stage == ShaderType::Pixel &&
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(inst.Arg(1).U32() >= 4u ||
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inst.Arg(0).U32() >= input_info.pixel->input_num)) {
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return Fail("pixel input reference is out of range");
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}
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break;
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}
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case ValueOpcode::GetInterpolationParameter: {
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if (program.stage != ShaderType::Pixel || !inst.Arg(0).IsImmediate() ||
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inst.Arg(0).GetType() != Type::U32 || !inst.Arg(1).IsImmediate() ||
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inst.Arg(1).GetType() != Type::U32 || !inst.Arg(2).IsImmediate() ||
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inst.Arg(2).GetType() != Type::U32) {
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return Fail("interpolation parameter reference is invalid");
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}
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if (inst.Arg(0).U32() >= input_info.pixel->input_num ||
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inst.Arg(1).U32() >= 4u || inst.Arg(2).U32() >= 3u) {
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return Fail("interpolation parameter reference is out of range");
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}
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break;
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}
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case ValueOpcode::GetBuiltin: {
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if (!inst.Arg(0).IsImmediate() || inst.Arg(0).GetType() != Type::U32 ||
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!inst.Arg(1).IsImmediate() || inst.Arg(1).GetType() != Type::U32) {
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return Fail("typed builtin reference is not constant");
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}
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const auto kind = static_cast<StageInputKind>(inst.Arg(0).U32());
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const auto component = inst.Arg(1).U32();
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switch (kind) {
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case StageInputKind::PackedAncillary:
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return Fail("packed pixel ancillary input has an unsupported live use");
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case StageInputKind::Layer:
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case StageInputKind::SampleId:
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if (program.stage != ShaderType::Pixel || component != 0u) {
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return Fail("typed pixel scalar input is invalid");
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}
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break;
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case StageInputKind::VertexIndex:
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case StageInputKind::InvocationId:
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case StageInputKind::PrimitiveId:
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case StageInputKind::InstanceIndex:
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case StageInputKind::FrontFacing:
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case StageInputKind::LocalInvocationIndex:
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if (component != 0u) {
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return Fail("typed scalar builtin component is out of range");
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}
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break;
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case StageInputKind::FragCoord:
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if (component >= 4u) {
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return Fail("typed fragment-coordinate component is out of range");
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}
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break;
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case StageInputKind::BaryCoordSmooth:
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case StageInputKind::BaryCoordSmoothSample:
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case StageInputKind::BaryCoordSmoothCentroid:
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case StageInputKind::BaryCoordNoPerspective:
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if (component >= 2u) {
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return Fail("typed barycentric component is out of range");
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}
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break;
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case StageInputKind::TessCoord:
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case StageInputKind::WorkgroupId:
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case StageInputKind::LocalInvocationId:
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case StageInputKind::GlobalInvocationId:
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if (component >= 3u) {
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return Fail("typed invocation builtin component is out of range");
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}
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break;
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case StageInputKind::Parameter:
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default: return Fail("typed builtin kind is invalid");
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}
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break;
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}
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case ValueOpcode::SetAttribute: {
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const auto index = inst.Flags<ExportFlags>().index;
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if (index >= program.export_info.size()) {
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return Fail("typed export metadata index is out of range");
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}
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const auto& exp = program.export_info[index];
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if (exp.kind == ExportTargetKind::Position && exp.index != 0 && exp.en != 0 &&
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program.stage != ShaderType::Vertex && program.stage != ShaderType::Mesh &&
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program.stage != ShaderType::TessellationEvaluation) {
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return Fail("auxiliary position export requires a vertex, mesh, or "
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"tessellation evaluation shader");
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}
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break;
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}
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default: break;
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}
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}
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}
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}
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void CollectVertexInputs(const Program& program, const ShaderVertexInputInfo* vertex,
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ShaderInfo& info) {
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AddInput(info, StageInputKind::VertexIndex, 0, 1, "gl_VertexIndex");
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AddInput(info, StageInputKind::InstanceIndex, 0, 1, "gl_InstanceIndex");
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uint32_t used_components[ShaderVertexInputInfo::RES_MAX] = {};
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for (const auto* block: program.blocks) {
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for (const auto& inst: *block) {
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if (inst.GetOpcode() == ValueOpcode::GetAttribute) {
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const auto attr = inst.Arg(0).U32();
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const auto chan = inst.Arg(1).U32();
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used_components[attr] = std::max(used_components[attr], chan + 1u);
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}
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}
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}
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for (uint32_t attr = 0; attr < static_cast<uint32_t>(vertex->resources_num); attr++) {
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if (used_components[attr] != 0) {
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AddInput(info, StageInputKind::Parameter, attr, used_components[attr],
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fmt::format("in_attr_{}", attr));
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}
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}
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}
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void CollectPixelInputs(const Program& program, const ShaderPixelInputInfo* pixel,
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ShaderInfo& info) {
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if (pixel->HasPositionInput()) {
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AddInput(info, StageInputKind::FragCoord, 0, 4, "gl_FragCoord");
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}
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if (pixel->ps_front_face) {
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AddInput(info, StageInputKind::FrontFacing, 0, 1, "gl_FrontFacing");
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}
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std::array<bool, 32> per_vertex {};
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std::array<bool, 32> interpolated {};
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for (const auto* block: program.blocks) {
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for (const auto& inst: *block) {
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if (inst.GetOpcode() == ValueOpcode::GetAttribute) {
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interpolated[inst.Arg(0).U32()] = true;
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} else if (inst.GetOpcode() == ValueOpcode::GetInterpolationParameter) {
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const auto input = inst.Arg(0).U32();
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const auto mode = inst.Arg(2).U32();
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per_vertex[input] =
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per_vertex[input] || mode < 2u || !ShaderPixelParameterIsFlat(*pixel, input);
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}
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}
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}
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// Aliases of a vertex output share one SPIR-V interface variable. If any
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// alias reads raw vertices, interpolate the other aliases from those too.
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for (uint32_t input = 0; input < pixel->input_num; input++) {
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for (uint32_t alias = 0; alias < pixel->input_num; alias++) {
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if (ShaderPixelParameterMappedLocation(*pixel, input) ==
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ShaderPixelParameterMappedLocation(*pixel, alias) &&
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ShaderPixelParameterIsFlat(*pixel, input) ==
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ShaderPixelParameterIsFlat(*pixel, alias)) {
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per_vertex[input] = per_vertex[input] || per_vertex[alias];
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}
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}
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}
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for (uint32_t input = 0; input < pixel->input_num; input++) {
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AddInput(info, StageInputKind::Parameter, input, 4, fmt::format("in_param_{}", input),
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per_vertex[input]);
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}
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for (uint32_t input = 0; input < pixel->input_num; input++) {
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if (interpolated[input] && per_vertex[input]) {
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const auto kind = pixel->ps_no_perspective ? StageInputKind::BaryCoordNoPerspective
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: StageInputKind::BaryCoordSmooth;
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AddInput(info, kind, 0, 3,
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pixel->ps_no_perspective ? "gl_BaryCoordNoPerspKHR" : "gl_BaryCoordKHR");
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break;
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}
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}
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}
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void CollectComputeInputs(const ShaderComputeInputInfo* compute, ShaderInfo& info) {
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if (compute->group_id[0] || compute->group_id[1] || compute->group_id[2]) {
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AddInput(info, StageInputKind::WorkgroupId, 0, 3, "gl_WorkGroupID");
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}
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if (compute->thread_ids_num > 0) {
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AddInput(info, StageInputKind::LocalInvocationId, 0, 3, "gl_LocalInvocationID");
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}
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if (compute->thread_ids_num > 0 || compute->tg_size_en) {
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AddInput(info, StageInputKind::LocalInvocationIndex, 0, 1, "gl_LocalInvocationIndex");
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}
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if (compute->dispatch_thread_dimensions) {
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AddInput(info, StageInputKind::GlobalInvocationId, 0, 3, "gl_GlobalInvocationID");
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}
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}
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void CollectBuiltinInputs(const Program& program, ShaderInfo& info) {
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for (const auto* block: program.blocks) {
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for (const auto& inst: *block) {
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if (program.stage == ShaderType::TessellationControl &&
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inst.GetOpcode() == ValueOpcode::LaneId) {
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AddInput(info, StageInputKind::InvocationId, 0, 1, "gl_InvocationID");
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}
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if (inst.GetOpcode() != ValueOpcode::GetBuiltin) {
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continue;
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}
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const auto kind = static_cast<StageInputKind>(inst.Arg(0).U32());
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switch (kind) {
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case StageInputKind::VertexIndex:
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AddInput(info, kind, 0, 1, "gl_VertexIndex");
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break;
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case StageInputKind::InstanceIndex:
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AddInput(info, kind, 0, 1, "gl_InstanceIndex");
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break;
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case StageInputKind::InvocationId:
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AddInput(info, kind, 0, 1, "gl_InvocationID");
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break;
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case StageInputKind::PrimitiveId:
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AddInput(info, kind, 0, 1, "gl_PrimitiveID");
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break;
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case StageInputKind::TessCoord: AddInput(info, kind, 0, 3, "gl_TessCoord"); break;
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case StageInputKind::FragCoord: AddInput(info, kind, 0, 4, "gl_FragCoord"); break;
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case StageInputKind::FrontFacing:
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AddInput(info, kind, 0, 1, "gl_FrontFacing");
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break;
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case StageInputKind::Layer: AddInput(info, kind, 0, 1, "gl_Layer"); break;
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case StageInputKind::SampleId: AddInput(info, kind, 0, 1, "gl_SampleID"); break;
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case StageInputKind::BaryCoordSmoothSample:
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AddInput(info, StageInputKind::SampleId, 0, 1, "gl_SampleID");
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[[fallthrough]];
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case StageInputKind::BaryCoordSmooth:
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case StageInputKind::BaryCoordSmoothCentroid:
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AddInput(info, StageInputKind::BaryCoordSmooth, 0, 3, "gl_BaryCoordKHR");
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break;
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case StageInputKind::BaryCoordNoPerspective:
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AddInput(info, kind, 0, 3, "gl_BaryCoordNoPerspKHR");
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break;
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case StageInputKind::WorkgroupId:
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AddInput(info, kind, 0, 3, "gl_WorkGroupID");
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break;
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case StageInputKind::LocalInvocationId:
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AddInput(info, kind, 0, 3, "gl_LocalInvocationID");
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break;
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case StageInputKind::LocalInvocationIndex:
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AddInput(info, kind, 0, 1, "gl_LocalInvocationIndex");
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break;
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case StageInputKind::GlobalInvocationId:
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AddInput(info, kind, 0, 3, "gl_GlobalInvocationID");
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break;
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case StageInputKind::PackedAncillary:
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case StageInputKind::Parameter: break;
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}
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}
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}
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}
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void CollectOutputs(const Program& program, ShaderStageInputInfo input_info, ShaderInfo& info) {
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const bool alpha_remap = program.stage == ShaderType::Pixel && input_info.pixel != nullptr &&
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input_info.pixel->alpha_blend_source != ShaderAlphaBlendSource::None;
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for (const auto* block: program.blocks) {
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for (const auto& inst: *block) {
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if (inst.GetOpcode() != ValueOpcode::SetAttribute) {
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continue;
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}
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const auto& export_info = program.export_info[inst.Flags<ExportFlags>().index];
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if (export_info.kind == ExportTargetKind::MrtZ) {
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if (program.stage == ShaderType::Pixel && (export_info.en & 0x1u) != 0 &&
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input_info.pixel->ps_depth_export_enable) {
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AddOutput(info, StageOutputKind::Depth, 0, 0, "gl_FragDepth");
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}
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if (program.stage == ShaderType::Pixel && (export_info.en & 0x4u) != 0 &&
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input_info.pixel->ps_sample_mask_export_enable) {
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AddOutput(info, StageOutputKind::SampleMask, 0, 0, "gl_SampleMask");
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}
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continue;
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}
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if (export_info.en == 0) {
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continue;
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}
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switch (export_info.kind) {
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case ExportTargetKind::Position:
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if (export_info.index == 0) {
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AddOutput(info, StageOutputKind::Position, 0, 0, "out_position");
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break;
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}
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if (export_info.compr) {
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return Fail("compressed auxiliary position export is unsupported");
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}
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for (uint32_t component = 0; component < 4; component++) {
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if ((export_info.en & (1u << component)) == 0) {
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continue;
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}
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const auto output = DecodePositionExportComponent(
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input_info.vertex->pa_cl_vs_out_cntl, export_info.index, component);
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if (output.viewport) {
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AddOutput(info, StageOutputKind::ViewportIndex, 0, 0, "gl_ViewportIndex");
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}
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if (output.point_size) {
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AddOutput(info, StageOutputKind::PointSize, 0, 0, "gl_PointSize");
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}
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if (output.layer) {
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AddOutput(info, StageOutputKind::Layer, 0, 0, "gl_Layer");
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}
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if (output.clip_distance != UINT32_MAX) {
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AddOutput(info, StageOutputKind::ClipDistance, output.clip_distance, 0,
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"gl_ClipDistance");
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}
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if (output.cull_distance != UINT32_MAX) {
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AddOutput(info, StageOutputKind::CullDistance, output.cull_distance, 0,
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"gl_CullDistance");
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}
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}
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break;
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case ExportTargetKind::Parameter:
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AddOutput(info, StageOutputKind::Parameter, export_info.index,
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export_info.index, fmt::format("out_param_{}", export_info.index));
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break;
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case ExportTargetKind::Mrt:
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if (alpha_remap && export_info.index != 0) {
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break;
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}
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AddOutput(info, StageOutputKind::Mrt, export_info.index, export_info.index,
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fmt::format("out_mrt_{}", export_info.index));
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if (alpha_remap) {
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AddOutput(info, StageOutputKind::Mrt, 1, 1, "out_mrt_1");
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}
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break;
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default: break;
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}
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}
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}
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}
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} // namespace
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void CollectShaderInfo(Program& program, ShaderStageInputInfo input_info) {
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if (!program.resource_tracking_complete || program.shader_info_complete) {
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return Fail(!program.resource_tracking_complete ? "shader resources were not tracked"
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: "shader info already collected");
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}
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ValidateOptions(program, input_info);
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ValidateValueReferences(program, input_info);
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auto& next = program.info;
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next.inputs.clear();
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next.outputs.clear();
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next.has_bitwise_xor =
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std::any_of(program.blocks.begin(), program.blocks.end(), [](const auto* block) {
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return std::any_of(block->begin(), block->end(), [](const auto& inst) {
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return inst.GetOpcode() == ValueOpcode::BitwiseXor32;
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});
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});
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switch (program.stage) {
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case ShaderType::Vertex:
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case ShaderType::Local: CollectVertexInputs(program, input_info.vertex, next); break;
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case ShaderType::TessellationControl:
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case ShaderType::TessellationEvaluation:
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case ShaderType::Mesh: break;
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case ShaderType::Pixel: CollectPixelInputs(program, input_info.pixel, next); break;
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case ShaderType::Compute: CollectComputeInputs(input_info.compute, next); break;
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default: return Fail("unsupported shader stage for info collection");
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}
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CollectBuiltinInputs(program, next);
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CollectOutputs(program, input_info, next);
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program.shader_info_complete = true;
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}
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} // namespace Libs::Graphics::ShaderRecompiler::IR
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