From fcfa8b680b6aedd4b51757d4e33e97ef2cdae048 Mon Sep 17 00:00:00 2001
From: Liam <byteslice@airmail.cc>
Date: Mon, 18 Dec 2023 22:20:25 -0500
Subject: shader_recompiler: use minimal clip distance array
---
src/shader_recompiler/backend/spirv/spirv_emit_context.cpp | 3 ++-
src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp | 6 +++++-
src/shader_recompiler/shader_info.h | 2 ++
3 files changed, 9 insertions(+), 2 deletions(-)
(limited to 'src')
diff --git a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
index 4d24e02dee..2abc21a173 100644
--- a/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
+++ b/src/shader_recompiler/backend/spirv/spirv_emit_context.cpp
@@ -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] &&
diff --git a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
index 70292686fc..cb82a326c1 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -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);
diff --git a/src/shader_recompiler/shader_info.h b/src/shader_recompiler/shader_info.h
index b4b4afd37d..1419b8fe75 100644
--- a/src/shader_recompiler/shader_info.h
+++ b/src/shader_recompiler/shader_info.h
@@ -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;
--
cgit v1.2.3-70-g09d2