From 127b92e3db8e331822a0e54e5b420e731e308489 Mon Sep 17 00:00:00 2001
From: Benjamin Otte <otte@redhat.com>
Date: Fri, 28 Jun 2024 17:53:20 +0200
Subject: [PATCH] color_state: Make U8_SRGB the depth for COLOR_STATE_SRGB

This will only be used with linear compositing, so we force U8 when
we're not compositing linear.
---
 gdk/gdkcolorstate.c        | 2 +-
 gdk/gdkcolorstateprivate.h | 3 +++
 2 files changed, 4 insertions(+), 1 deletion(-)

diff --git a/gdk/gdkcolorstate.c b/gdk/gdkcolorstate.c
index d055133fe9..155b2b70fa 100644
--- a/gdk/gdkcolorstate.c
+++ b/gdk/gdkcolorstate.c
@@ -162,7 +162,7 @@ GdkDefaultColorState gdk_default_color_states[] = {
     .parent = {
       .klass = &GDK_DEFAULT_COLOR_STATE_CLASS,
       .ref_count = 0,
-      .depth = GDK_MEMORY_U8,
+      .depth = GDK_MEMORY_U8_SRGB,
       .rendering_color_state = GDK_COLOR_STATE_SRGB_LINEAR,
     },
     .name = "srgb",
diff --git a/gdk/gdkcolorstateprivate.h b/gdk/gdkcolorstateprivate.h
index c7c5fb8056..ae0a0cbade 100644
--- a/gdk/gdkcolorstateprivate.h
+++ b/gdk/gdkcolorstateprivate.h
@@ -67,6 +67,9 @@ gdk_color_state_get_rendering_color_state (GdkColorState *self)
 static inline GdkMemoryDepth
 gdk_color_state_get_depth (GdkColorState *self)
 {
+  if (!GDK_DEBUG_CHECK (LINEAR) && self->depth == GDK_MEMORY_U8_SRGB)
+    return GDK_MEMORY_U8;
+
   return self->depth;
 }