Various blitter fixes, should fix 8088MPH Kefrens segmentation fault.

2021-09-27 04:32:08 +02:00
parent fe48e3b36d
commit 03ed12a966
4 changed files with 5 additions and 7 deletions
--- a/src/win/win_opengl.c
+++ b/src/win/win_opengl.c
@@ -809,9 +809,7 @@ static void opengl_main(void* param)

 static void opengl_blit(int x, int y, int w, int h)
 {
-	int yy;
-
-	if ((h <= 0) || (buffer32 == NULL) || (thread == NULL) ||
+	if ((x < 0) || (y < 0) || (w <= 0) || (h <= 0) || (w > 2048) || (h > 2048) || (buffer32 == NULL) || (thread == NULL) ||
 		atomic_flag_test_and_set(&blit_info[write_pos].in_use))
 	{
 		video_blit_complete();