From c44292c72339b3d7820ca7444d45bab7e34ec74e Mon Sep 17 00:00:00 2001
From: ArchSav <96357545+ArchSav@users.noreply.github.com>
Date: Wed, 21 Jan 2026 01:32:32 +1100
Subject: protocols/toplevelExport: Support transparency in toplevel export
 (#12824)

---
 src/helpers/Format.cpp | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'src/helpers/Format.cpp')

diff --git a/src/helpers/Format.cpp b/src/helpers/Format.cpp
index 0054c25a..a4efb948 100644
--- a/src/helpers/Format.cpp
+++ b/src/helpers/Format.cpp
@@ -326,3 +326,17 @@ std::string NFormatUtils::drmModifierName(uint64_t mod) {
     free(n); // NOLINT(cppcoreguidelines-no-malloc,-warnings-as-errors)
     return name;
 }
+
+DRMFormat NFormatUtils::alphaFormat(DRMFormat prevFormat) {
+    switch (prevFormat) {
+        case DRM_FORMAT_XRGB8888: return DRM_FORMAT_ARGB8888;
+        case DRM_FORMAT_XBGR8888: return DRM_FORMAT_ABGR8888;
+        case DRM_FORMAT_BGRX8888: return DRM_FORMAT_BGRA8888;
+        case DRM_FORMAT_RGBX8888: return DRM_FORMAT_RGBA8888;
+        case DRM_FORMAT_XRGB2101010: return DRM_FORMAT_ARGB2101010;
+        case DRM_FORMAT_XBGR2101010: return DRM_FORMAT_ABGR2101010;
+        case DRM_FORMAT_RGBX1010102: return DRM_FORMAT_RGBA1010102;
+        case DRM_FORMAT_BGRX1010102: return DRM_FORMAT_BGRA1010102;
+        default: return 0;
+    }
+}
-- 
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