From 792f8473ee2799bae64b1536d58cd52c855b12d6 Mon Sep 17 00:00:00 2001
From: jpark37 <jpark37@users.noreply.github.com>
Date: Tue, 24 Jan 2023 08:12:47 -0800
Subject: [PATCH] libobs: Fix SDR async video on non-SDR targets

Bug was seen when projecting SDR video capture on WCG displays.
---
 libobs/obs-source.c | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/libobs/obs-source.c b/libobs/obs-source.c
index 30212699f..39c555020 100644
--- a/libobs/obs-source.c
+++ b/libobs/obs-source.c
@@ -2478,6 +2478,8 @@ static inline void obs_source_render_async_video(obs_source_t *source)
 		bool nonlinear_alpha = false;
 		switch (source_space) {
 		case GS_CS_SRGB:
+			linear_srgb = linear_srgb ||
+				      (current_space != GS_CS_SRGB);
 			nonlinear_alpha = linear_srgb &&
 					  !source->async_linear_alpha;
 			switch (current_space) {
@@ -2492,7 +2494,6 @@ static inline void obs_source_render_async_video(obs_source_t *source)
 					nonlinear_alpha
 						? "DrawNonlinearAlphaMultiply"
 						: "DrawMultiply";
-				linear_srgb = true;
 				multiplier =
 					obs_get_video_sdr_white_level() / 80.0f;
 			}