From 5c15f16a35f5ec4d78ae0eaa291854f7766e7627 Mon Sep 17 00:00:00 2001
From: slipher <slipher@protonmail.com>
Date: Sun, 25 Aug 2024 08:09:36 -0500
Subject: [PATCH] Fix videoMap with r_smp 1

It was broken due to a stray call to R_SyncRenderThread in a backend
function.

Fixes #1263.
---
 src/engine/renderer/tr_backend.cpp | 2 --
 src/engine/renderer/tr_cmds.cpp    | 2 ++
 2 files changed, 2 insertions(+), 2 deletions(-)

diff --git a/src/engine/renderer/tr_backend.cpp b/src/engine/renderer/tr_backend.cpp
index 3445d9d8f9..a1b4e3bdb6 100644
--- a/src/engine/renderer/tr_backend.cpp
+++ b/src/engine/renderer/tr_backend.cpp
@@ -4994,8 +4994,6 @@ RENDER BACK END THREAD FUNCTIONS
 
 void RE_UploadCinematic( int cols, int rows, const byte *data, int client, bool dirty )
 {
-	R_SyncRenderThread();
-
 	GL_Bind( tr.cinematicImage[ client ] );
 
 	// if the scratchImage isn't in the format we want, specify it as a new texture
diff --git a/src/engine/renderer/tr_cmds.cpp b/src/engine/renderer/tr_cmds.cpp
index 1db76fd5e0..ec5da2f47e 100644
--- a/src/engine/renderer/tr_cmds.cpp
+++ b/src/engine/renderer/tr_cmds.cpp
@@ -201,6 +201,8 @@ OpenGL calls until R_IssueRenderCommands is called.
 */
 void R_SyncRenderThread()
 {
+	ASSERT( Sys::OnMainThread() ); // only call this from the frontend
+
 	if ( !tr.registered )
 	{
 		return;