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shader_recompiler: use minimal clip distance array

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This commit is contained in:
Liam 2023-12-18 22:20:25 -05:00
parent 94244437de
commit fcfa8b680b
3 changed files with 9 additions and 2 deletions
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3
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
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@ -1528,7 +1528,8 @@ 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(std::min(8U, profile.max_user_clip_distances)))};
const Id type{TypeArray(
F32[1], Const(std::min(info.used_clip_distances, profile.max_user_clip_distances)))};
clip_distances = DefineOutput(*this, type, invocations, spv::BuiltIn::ClipDistance);
}
if (info.stores[IR::Attribute::Layer] &&

6
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
View file

@ -913,7 +913,11 @@ void GatherInfoFromHeader(Environment& env, Info& info) {
}
for (size_t index = 0; index < 8; ++index) {
const u16 mask{header.vtg.omap_systemc.clip_distances};
info.stores.Set(IR::Attribute::ClipDistance0 + index, ((mask >> index) & 1) != 0);
const bool used{((mask >> index) & 1) != 0};
info.stores.Set(IR::Attribute::ClipDistance0 + index, used);
if (used) {
info.used_clip_distances = static_cast<u32>(index) + 1;
}
}
info.stores.Set(IR::Attribute::PrimitiveId,
header.vtg.omap_systemb.primitive_array_id != 0);

2
src/shader_recompiler/shader_info.h
View file

@ -227,6 +227,8 @@ struct Info {
bool requires_layer_emulation{};
IR::Attribute emulated_layer{};
u32 used_clip_distances{};
boost::container::static_vector<ConstantBufferDescriptor, MAX_CBUFS>
constant_buffer_descriptors;
boost::container::static_vector<StorageBufferDescriptor, MAX_SSBOS> storage_buffers_descriptors;