From b9f7bf4472b8e0a5aad1aec3a5ff5bb56470bfff Mon Sep 17 00:00:00 2001
From: ameerj <52414509+ameerj@users.noreply.github.com>
Date: Sun, 14 Mar 2021 01:51:40 -0500
Subject: spirv: Add SignedZeroInfNanPreserve logic

---
 src/shader_recompiler/backend/spirv/emit_spirv.cpp | 6 ++++++
 1 file changed, 6 insertions(+)

(limited to 'src/shader_recompiler/backend/spirv/emit_spirv.cpp')

diff --git a/src/shader_recompiler/backend/spirv/emit_spirv.cpp b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
index a94e9cb2d..c7cba6279 100644
--- a/src/shader_recompiler/backend/spirv/emit_spirv.cpp
+++ b/src/shader_recompiler/backend/spirv/emit_spirv.cpp
@@ -124,6 +124,12 @@ void SetupDenormControl(const Profile& profile, const IR::Program& program, Emit
     }
     ctx.AddExtension("SPV_KHR_float_controls");
 
+    if (info.uses_fp16 && profile.support_fp16_signed_zero_nan_preserve) {
+        ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve);
+    }
+    if (profile.support_fp32_signed_zero_nan_preserve) {
+        ctx.AddExecutionMode(main_func, spv::ExecutionMode::SignedZeroInfNanPreserve);
+    }
     if (info.uses_fp32_denorms_flush && info.uses_fp32_denorms_preserve) {
         // LOG_ERROR(HW_GPU, "Fp32 denorm flush and preserve on the same shader");
     } else if (info.uses_fp32_denorms_flush) {
-- 
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