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shader_recompiler: ignore clip distances beyond driver support level

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This commit is contained in:
Liam 2023-12-18 22:15:44 -05:00
parent acf46708b3
commit 6611ba122b
6 changed files with 14 additions and 1 deletions
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5
src/shader_recompiler/backend/spirv/emit_spirv_context_get_set.cpp
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@ -74,6 +74,11 @@ std::optional<OutAttr> OutputAttrPointer(EmitContext& ctx, IR::Attribute attr) {
case IR::Attribute::ClipDistance7: {
const u32 base{static_cast<u32>(IR::Attribute::ClipDistance0)};
const u32 index{static_cast<u32>(attr) - base};
if (index >= ctx.profile.max_user_clip_distances) {
LOG_WARNING(Shader, "Ignoring clip distance store {} >= {} supported", index,
ctx.profile.max_user_clip_distances);
return std::nullopt;
}
const Id clip_num{ctx.Const(index)};
return OutputAccessChain(ctx, ctx.output_f32, ctx.clip_distances, clip_num);
}

2
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
View file

@ -1528,7 +1528,7 @@ void EmitContext::DefineOutputs(const IR::Program& program) {
if (stage == Stage::Fragment) {
throw NotImplementedException("Storing ClipDistance in fragment stage");
}
const Id type{TypeArray(F32[1], Const(8U))};
const Id type{TypeArray(F32[1], Const(std::min(8U, profile.max_user_clip_distances)))};
clip_distances = DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance);
}
if (info.stores[IR::Attribute::Layer] &&

2
src/shader_recompiler/profile.h
View file

@ -87,6 +87,8 @@ struct Profile {
bool has_broken_robust{};
u64 min_ssbo_alignment{};
u32 max_user_clip_distances{};
};
} // namespace Shader