raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-24 21:06:55 +02:00
Code Issues Packages Projects Releases Wiki Activity

Preserve vertex export locations for mixed pixel interpolation

Browse Source
This commit is contained in:
nmzik
2026-10-08 20:05:32 +04:00
parent b65dc12208
commit b38b7454a6
7 changed files with 100 additions and 10 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/graphics/shader/recompiler/backend/spirv/spirvEmitterFlow.cpp
+13 -2
View File
@@ -177,6 +177,13 @@ uint32_t EmitAttribute(EmitterState& state, uint32_t attr, uint32_t chan) {
return value;
};
if (input->per_vertex) {
if (PixelParameterIsFlat(state, attr)) {
const auto value = load_per_vertex(
state.input_info.pixel->parameter_mode == ShaderPixelParameterMode::LastVertex ? 2u : 0u);
const auto bits = state.builder.AllocateId();
state.builder.AddFunction(spv::OpBitcast, TypeU32(state), bits, value);
return bits;
}
const auto barycentric_kind = state.input_info.pixel->ps_no_perspective
? IR::StageInputKind::BaryCoordNoPerspective
: IR::StageInputKind::BaryCoordSmooth;
@@ -231,8 +238,12 @@ uint32_t EmitInterpolationParameter(ValueEmitContext& ctx, uint32_t attr, uint32
return value;
};
const auto selected_vertex = (mode + 1u) % 3u;
uint32_t value = load_vertex(selected_vertex);
uint32_t selected_vertex = (mode + 1u) % 3u;
if (mode == 2u && PixelParameterIsFlat(state, attr)) {
selected_vertex =
state.input_info.pixel->parameter_mode == ShaderPixelParameterMode::LastVertex ? 2u : 0u;
}
uint32_t value = load_vertex(selected_vertex);
if (!PixelParameterIsCustom(state, attr) && mode < 2u) {
const auto delta = state.builder.AllocateId();
state.builder.AddFunction(spv::OpFSub, TypeF32(state), delta, value, load_vertex(0));
src/graphics/shader/recompiler/ir/passes/ShaderInfoCollection.cpp
+8 -6
View File
@@ -227,15 +227,16 @@ void CollectPixelInputs(const Program& program, const ShaderPixelInputInfo* pixe
}
}
}
// Aliases of a vertex output share one SPIR-V interface variable. If any
// alias reads raw vertices, interpolate the other aliases from those too.
// Mixed interpolation modes share raw vertices at their guest export slot.
// Rectangle expansion alone supplies separate flat and smooth outputs.
for (uint32_t input = 0; input < pixel->input_num; input++) {
for (uint32_t alias = 0; alias < pixel->input_num; alias++) {
const bool same_mode = ShaderPixelParameterIsFlat(*pixel, input) ==
ShaderPixelParameterIsFlat(*pixel, alias);
if (ShaderPixelParameterMappedLocation(*pixel, input) ==
ShaderPixelParameterMappedLocation(*pixel, alias) &&
ShaderPixelParameterIsFlat(*pixel, input) ==
ShaderPixelParameterIsFlat(*pixel, alias)) {
per_vertex[input] = per_vertex[input] || per_vertex[alias];
(pixel->parameter_mode != ShaderPixelParameterMode::Rectangle || same_mode)) {
per_vertex[input] = per_vertex[input] || per_vertex[alias] || !same_mode;
}
}
}
@@ -244,7 +245,8 @@ void CollectPixelInputs(const Program& program, const ShaderPixelInputInfo* pixe
per_vertex[input]);
}
for (uint32_t input = 0; input < pixel->input_num; input++) {
if (interpolated[input] && per_vertex[input]) {
if (interpolated[input] && per_vertex[input] &&
!ShaderPixelParameterIsFlat(*pixel, input)) {
const auto kind = pixel->ps_no_perspective ? StageInputKind::BaryCoordNoPerspective
: StageInputKind::BaryCoordSmooth;
AddInput(info, kind, 0, 3,