From 04c459fc8d99b41fa8a03c49523599e9bf797f9d Mon Sep 17 00:00:00 2001
From: FernandoS27 <fsahmkow27@gmail.com>
Date: Sat, 17 Apr 2021 11:56:45 +0200
Subject: shader: Implement fine derivates constant propagation

---
 src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp | 4 ++++
 1 file changed, 4 insertions(+)

(limited to 'src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp')

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 60b7d3a36..e5688667b 100644
--- a/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
+++ b/src/shader_recompiler/ir_opt/collect_shader_info_pass.cpp
@@ -530,6 +530,10 @@ void VisitUsages(Info& info, IR::Inst& inst) {
     case IR::Opcode::FSwizzleAdd:
         info.uses_fswzadd = true;
         break;
+    case IR::Opcode::DPdxFine:
+    case IR::Opcode::DPdyFine:
+        info.uses_derivates = true;
+        break;
     case IR::Opcode::LoadStorageU8:
     case IR::Opcode::LoadStorageS8:
     case IR::Opcode::WriteStorageU8:
-- 
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