dahjah/shadPS4
1
0
Fork 0
mirror of https://github.com/shadps4-emu/shadPS4.git synced 2026-06-10 03:35:00 -06:00
Code Issues Packages Projects Releases Wiki Activity

add BaryCoordNoPerspSample implementation (#4533)

Browse Source
This commit is contained in:
Hog 2026-06-08 12:28:08 +01:00 committed by GitHub
parent 852539829a
commit 94f40fc6ff
No known key found for this signature in database
GPG Key ID: B5690EEEBB952194
4 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

6
src/shader_recompiler/backend/spirv/emit_spirv.cpp
View File

@ -236,6 +236,12 @@ spv::ExecutionMode ExecutionMode(AmdGpu::TessellationPartitioning spacing) {
return spv::ExecutionMode::SpacingFractionalOdd;
case AmdGpu::TessellationPartitioning::FracEven:
return spv::ExecutionMode::SpacingFractionalEven;
case AmdGpu::TessellationPartitioning::Pow2:
// Pow2 rounds tessellation factors to the nearest power of 2, which has no
// direct Vulkan equivalent. SpacingEqual (integer) is the closest match.
LOG_WARNING(Render_Vulkan, "Tessellation partitioning Pow2 has no Vulkan equivalent, "
"falling back to SpacingEqual");
return spv::ExecutionMode::SpacingEqual;
default:
break;
}

4
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
View File

@ -139,6 +139,10 @@ Id EmitGetAttribute(EmitContext& ctx, IR::Attribute attr, u32 comp, u32 index) {
case IR::Attribute::BaryCoordNoPersp:
return ctx.OpLoad(ctx.F32[1], ctx.OpAccessChain(ctx.input_f32, ctx.bary_coord_nopersp,
ctx.ConstU32(comp)));
case IR::Attribute::BaryCoordNoPerspSample:
return ctx.OpLoad(
ctx.F32[1],
ctx.OpAccessChain(ctx.input_f32, ctx.bary_coord_nopersp_sample, ctx.ConstU32(comp)));
default:
UNREACHABLE_MSG("Read attribute {}", attr);
}

10
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View File

@ -390,6 +390,16 @@ void EmitContext::DefineInputs() {
spv::StorageClass::Input);
}
}
if (info.loads.GetAny(IR::Attribute::BaryCoordNoPerspSample)) {
if (profile.supports_amd_shader_explicit_vertex_parameter) {
bary_coord_nopersp_sample = DefineVariable(
F32[2], spv::BuiltIn::BaryCoordNoPerspSampleAMD, spv::StorageClass::Input);
} else if (profile.supports_fragment_shader_barycentric) {
bary_coord_nopersp_sample = DefineVariable(
F32[3], spv::BuiltIn::BaryCoordNoPerspKHR, spv::StorageClass::Input);
// Decorate(bary_coord_nopersp_sample, spv::Decoration::Sample);
}
}
const bool has_clip_distance_inputs = runtime_info.fs_info.clip_distance_emulation;
// Clip distances attribute vector is the last in inputs array

1
src/shader_recompiler/backend/spirv/spirv_emit_context.h
View File

@ -288,6 +288,7 @@ public:
Id bary_coord_smooth_centroid{};
Id bary_coord_smooth_sample{};
Id bary_coord_nopersp{};
Id bary_coord_nopersp_sample{};
struct TextureDefinition {
const VectorIds* data_types;