shader: Implement fine derivates constant propagation

2021-04-17 11:56:45 +02:00 · 2021-04-17 11:56:45 +02:00 · b1e325f317
commit b1e325f317
parent 6c60109967
9 changed files with 101 additions and 0 deletions
--- 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: