raphiaura/KytyPS5
1
0
Fork 0
mirror of https://github.com/KytyPS5/KytyPS5.git synced 2026-10-20 10:56:58 +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/host_gpu/renderer/pipeline/pipelineCache.cpp
+7
View File
@@ -617,6 +617,13 @@ PipelineCache::GraphicsPrograms PipelineCache::GetGraphicsPrograms(
ShaderParams pixel_params;
if (pixel_active) {
pixel_params = PrepareProgram(pixel_regs, sh, target_export_mapping, pixel_info);
if (!mesh_active && !tess_active && Prospero::IsRectList(user_config.GetPrimType())) {
pixel_info.parameter_mode = ShaderPixelParameterMode::Rectangle;
} else if (context.GetModeControl().provoking_vtx_last) {
pixel_info.parameter_mode = ShaderPixelParameterMode::LastVertex;
} else {
pixel_info.parameter_mode = ShaderPixelParameterMode::FirstVertex;
}
const auto& blend = context.GetBlendControl(0);
pixel_info.dual_source_blending =
blend.enable && !context.GetRenderTarget(0).info.blend_bypass &&
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,
src/graphics/shader/shader.cpp
+1
View File
@@ -663,6 +663,7 @@ void BuildStageStaticKey(const ShaderPixelInputInfo& info, std::vector<uint32_t>
key.push_back(static_cast<uint32_t>(info.ps_front_face));
key.push_back(static_cast<uint32_t>(info.ps_ancillary));
key.push_back(static_cast<uint32_t>(info.ps_no_perspective));
key.push_back(static_cast<uint32_t>(info.parameter_mode));
key.push_back(static_cast<uint32_t>(info.ps_pixel_kill_enable));
key.push_back(static_cast<uint32_t>(info.ps_depth_export_enable));
key.push_back(static_cast<uint32_t>(info.ps_sample_mask_export_enable));
src/graphics/shader/shader.h
+2
View File
@@ -159,6 +159,7 @@ struct ShaderComputeInputInfo: ShaderWorkgroupInputInfo {
};
enum class ShaderAlphaBlendSource : uint8_t { None, SourceAlpha, SourceAlphaOne, SourceAlphaZero };
enum class ShaderPixelParameterMode : uint8_t { FirstVertex, LastVertex, Rectangle };
struct ShaderPixelInputInfo {
uint32_t interpolator_settings[32] = {0};
@@ -180,6 +181,7 @@ struct ShaderPixelInputInfo {
bool ps_front_face = false;
bool ps_ancillary = false;
bool ps_no_perspective = false;
ShaderPixelParameterMode parameter_mode = ShaderPixelParameterMode::FirstVertex;
bool ps_pixel_kill_enable = false;
bool ps_depth_export_enable = false;
bool ps_sample_mask_export_enable = false;
src/graphics/shader/shaderPixelParameter.cpp
+4 -2
View File
@@ -30,6 +30,9 @@ uint32_t ShaderPixelParameterMappedLocation(const ShaderPixelInputInfo& info, ui
uint32_t ShaderPixelParameterLocation(const ShaderPixelInputInfo& info,
std::span<const uint32_t> active_inputs, uint32_t input) {
if (info.parameter_mode != ShaderPixelParameterMode::Rectangle) {
return ShaderPixelParameterMappedLocation(info, input);
}
std::array<bool, 32> used_locations {};
for (const auto active_input: active_inputs) {
used_locations[ShaderPixelParameterMappedLocation(info, active_input)] = true;
@@ -42,8 +45,7 @@ uint32_t ShaderPixelParameterLocation(const ShaderPixelInputInfo& info,
auto& location = group_locations[group];
if (location == UINT32_MAX) {
location = mapped;
// Smooth and custom interpolation read the same vertex output. Only
// differing flat/smooth rectangle outputs need separate locations.
// Rectangle expansion broadcasts flat aliases through separate outputs.
if (group_locations[group ^ 1u] != UINT32_MAX) {
location = 0;
while (location < used_locations.size() && used_locations[location]) {