From f8bcb9ce4ee90679fa192cc20ed1c69ca1b278e8 Mon Sep 17 00:00:00 2001
From: Hog <hogman12333@gmail.com>
Date: Sun, 7 Jun 2026 19:41:29 +0100
Subject: [PATCH] Refactor sRGB format handling for BC formats

---
 src/video_core/amdgpu/pixel_format.h | 11 ++++++++++-
 1 file changed, 10 insertions(+), 1 deletion(-)

diff --git a/src/video_core/amdgpu/pixel_format.h b/src/video_core/amdgpu/pixel_format.h
index 69e082edb..f9bfae711 100644
--- a/src/video_core/amdgpu/pixel_format.h
+++ b/src/video_core/amdgpu/pixel_format.h
@@ -221,7 +221,16 @@ constexpr NumberFormat RemapNumberFormat(const NumberFormat format, const DataFo
         }
     }
     case NumberFormat::Srgb:
-        return data_format == DataFormat::FormatBc6 ? NumberFormat::Unorm : format;
+        switch (data_format) {
+        case DataFormat::FormatBc4:
+        case DataFormat::FormatBc5:
+        case DataFormat::FormatBc6:
+            // BC4/BC5 store non-color data (single/two-channel, used for normal maps),
+            // and BC6 is HDR float — none have sRGB Vulkan equivalents.
+            return NumberFormat::Unorm;
+        default:
+            return format;
+        }
     case NumberFormat::Uscaled:
         return NumberFormat::Uint;
     case NumberFormat::Sscaled: