raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 19:07:01 +02:00
Code Issues Packages Projects Releases Wiki Activity

gpu: isolate tessellation analysis and SPIR-V emission

Browse Source
This commit is contained in:
nmzik
2026-09-13 09:59:24 +04:00
parent 96d62b3367
commit 87971a28f5
12 changed files with 544 additions and 489 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/backend/spirv/spirvEmitterModule.cpp
+3 -78
View File
@@ -334,8 +334,6 @@ uint32_t VertexParameterScalarType(EmitterState& state, VertexInputScalarKind ki
}
}
namespace {
uint32_t DefineInterfaceVariable(EmitterState& state, uint32_t type, spv::StorageClass storage,
const char* name) {
const auto variable =
@@ -345,6 +343,8 @@ uint32_t DefineInterfaceVariable(EmitterState& state, uint32_t type, spv::Storag
return variable;
}
namespace {
uint32_t BuiltInForInput(IR::StageInputKind kind) {
switch (kind) {
case IR::StageInputKind::VertexIndex: return spv::BuiltInVertexIndex;
@@ -544,70 +544,6 @@ void DefineOutputs(EmitterState& state) {
}
}
void DefineTessellationInterfaces(EmitterState& state) {
using Attribute = IR::TessellationAttribute;
std::array<bool, 6> used {};
uint32_t patch_begin = UINT32_MAX, patch_end = 0;
for (const auto* block: state.program.blocks) {
for (const auto& inst: *block) {
if (inst.GetOpcode() != IR::ValueOpcode::GetTessellationAttribute &&
inst.GetOpcode() != IR::ValueOpcode::SetTessellationAttribute)
continue;
const auto kind = inst.Arg(0).U32();
used.at(kind) = true;
if (kind == static_cast<uint32_t>(Attribute::PatchOutput)) {
EXIT_NOT_IMPLEMENTED(!inst.Arg(1).IsImmediate());
patch_begin = std::min(patch_begin, inst.Arg(1).U32());
patch_end = std::max(patch_end, inst.Arg(1).U32() + 4u);
}
}
}
if (std::ranges::none_of(used, [](bool value) { return value; })) return;
const auto& tess = state.input_info.vertex->tess;
const auto array = [&](uint32_t type, uint32_t count) {
return state.builder.Type(spv::OpTypeArray, type, ConstantU32(state, count));
};
for (uint32_t index = 0; index < used.size(); index++) {
if (!used[index]) continue;
const auto kind = static_cast<Attribute>(index);
const bool input = kind == Attribute::ControlInput || kind == Attribute::EvaluationInput;
const auto storage = input ? spv::StorageClassInput : spv::StorageClassOutput;
uint32_t type;
if (kind == Attribute::Factor) {
type = array(TypeF32(state), 4u);
} else if (kind == Attribute::PatchOutput) {
state.tess_patch_base = patch_begin;
type = array(TypeU32Vector(state, 4), (patch_end - patch_begin + 15u) / 16u);
} else {
const bool local = kind == Attribute::LocalOutput || kind == Attribute::ControlInput;
const auto stride = local ? tess.ls_stride : tess.hs_stride;
type = array(TypeU32Vector(state, 4), (stride + 15u) / 16u);
if (kind != Attribute::LocalOutput) {
type = array(type, local ? tess.input_control_points : tess.output_control_points);
}
}
auto& variable = state.tess_variables[index];
variable = DefineInterfaceVariable(state, type, storage, "tess_attributes");
if (kind == Attribute::Factor) {
state.builder.AddAnnotation(spv::OpDecorate, variable, spv::DecorationBuiltIn,
spv::BuiltInTessLevelOuter);
state.tess_inner_variable =
DefineInterfaceVariable(state, array(TypeF32(state), 2u), storage, "tess_inner");
state.builder.AddAnnotation(spv::OpDecorate, state.tess_inner_variable,
spv::DecorationBuiltIn, spv::BuiltInTessLevelInner);
state.builder.AddAnnotation(spv::OpDecorate, state.tess_inner_variable,
spv::DecorationPatch);
} else {
state.builder.AddAnnotation(
spv::OpDecorate, variable, spv::DecorationLocation,
kind == Attribute::PatchOutput ? (tess.hs_stride + 15u) / 16u : 0u);
}
if (kind == Attribute::Factor || kind == Attribute::PatchOutput) {
state.builder.AddAnnotation(spv::OpDecorate, variable, spv::DecorationPatch);
}
}
}
} // namespace
void DefineModule(EmitterState& state) {
@@ -639,18 +575,7 @@ void DefineModule(EmitterState& state) {
}
if (state.program.stage == ShaderType::TessellationControl ||
state.program.stage == ShaderType::TessellationEvaluation) {
const auto& tess = state.input_info.vertex->tess;
EXIT_NOT_IMPLEMENTED(tess.domain != 1u || tess.partitioning != 2u ||
tess.output_topology != 2u);
state.builder.RequireCapability(spv::CapabilityTessellation);
if (state.program.stage == ShaderType::TessellationControl) {
state.builder.AddExecutionMode(state.main_func, spv::ExecutionModeOutputVertices,
tess.output_control_points);
} else {
state.builder.AddExecutionMode(state.main_func, spv::ExecutionModeTriangles);
state.builder.AddExecutionMode(state.main_func, spv::ExecutionModeSpacingFractionalOdd);
state.builder.AddExecutionMode(state.main_func, spv::ExecutionModeVertexOrderCw);
}
DefineTessellationExecutionModes(state);
}
state.entry_label = state.builder.AllocateId();