SDL: Only check to see if the ICC profile changes when the display changes or we gain focus

From 61b5360e17107c13749eba8be83f31695e5632cf Mon Sep 17 00:00:00 2001
From: Sam Lantinga <[EMAIL REDACTED]>
Date: Mon, 10 Oct 2022 08:27:42 -0700
Subject: [PATCH] Only check to see if the ICC profile changes when the display
 changes or we gain focus

Fixes https://github.com/libsdl-org/SDL/issues/6366
---
 src/video/windows/SDL_windowsevents.c | 8 ++++++--
 1 file changed, 6 insertions(+), 2 deletions(-)

diff --git a/src/video/windows/SDL_windowsevents.c b/src/video/windows/SDL_windowsevents.c
index 20acb8ff4d62..e5903fdd33b7 100644
--- a/src/video/windows/SDL_windowsevents.c
+++ b/src/video/windows/SDL_windowsevents.c
@@ -449,6 +449,7 @@ WIN_UpdateFocus(SDL_Window *window, SDL_bool expect_focus)
         SDL_ToggleModState(KMOD_NUM, (GetKeyState(VK_NUMLOCK) & 0x0001) != 0);
         SDL_ToggleModState(KMOD_SCROLL, (GetKeyState(VK_SCROLL) & 0x0001) != 0);
 
+        WIN_UpdateWindowICCProfile(data->window, SDL_TRUE);
     } else {
         RECT rect;
 
@@ -697,7 +698,6 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
                actually being the foreground window, but this appears to get called in all cases where
                the global foreground window changes to and from this window. */
             WIN_UpdateFocus(data->window, !!wParam);
-            WIN_UpdateWindowICCProfile(data->window, SDL_TRUE);
         }
         break;
 
@@ -1171,6 +1171,7 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
             RECT rect;
             int x, y;
             int w, h;
+            int display_index = data->window->display_index;
 
             if (data->initializing || data->in_border_change) {
                 break;
@@ -1211,7 +1212,10 @@ WIN_WindowProc(HWND hwnd, UINT msg, WPARAM wParam, LPARAM lParam)
             /* Forces a WM_PAINT event */
             InvalidateRect(hwnd, NULL, FALSE);
 
-            WIN_UpdateWindowICCProfile(data->window, SDL_TRUE);
+            if (data->window->display_index != display_index) {
+                /* Display changed, check ICC profile */
+                WIN_UpdateWindowICCProfile(data->window, SDL_TRUE);
+            }
         }
         break;