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video: Select the closest mode for the target refresh rate accounting for small variations

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Use the delta of the target refresh rate and the refresh rate of the mode to select the closest matching display mode, as the actual closest mode may have a slightly lower rate than the target by a small fraction of a hz (e.g 59.98 vs 60.0).
This commit is contained in:
Frank Praznik
2023-02-12 15:48:59 -05:00
parent 3f5ef7dd42
commit 4187c6c08c
1 changed files with 2 additions and 2 deletions
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4
src/video/SDL_video.c
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@@ -1055,8 +1055,8 @@ const SDL_DisplayMode *SDL_GetClosestFullscreenDisplayMode(SDL_DisplayID display
continue;
}
if (mode->refresh_rate < refresh_rate) {
/* We already found a mode and the new mode doesn't meet our
if (SDL_fabsf(closest->refresh_rate - refresh_rate) < SDL_fabsf(mode->refresh_rate - refresh_rate)) {
/* We already found a mode and the new mode is further from our
* refresh rate target */
continue;
}