| [hatari-devel] Suggested patch to fix the SDL GUI on KMS/DRM |
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- To: hatari-devel@xxxxxxxxxxxxxxxxxxx
- Subject: [hatari-devel] Suggested patch to fix the SDL GUI on KMS/DRM
- From: Jens Guenther <dbotw@xxxxxxx>
- Date: Sat, 31 Oct 2020 07:55:28 +0100
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Hi,
while discussing an issue with the Tandy TRS-80 emulator SDL2TRS in the
RetroPie-Forum (1) regarding KMS/DRM with SDL2 on the Raspberry Pi 4
and Wayland, it turns out that the patch also fixes it for Hatari ...
(1) https://retropie.org.uk/forum/topic/28238/sdltrs-display-of-typed-characters-lags-keyboard-sometimes-permanently-by-one-character/31
diff --git a/src/screen.c b/src/screen.c
index a741d1a3..daec1b28 100644
--- a/src/screen.c
+++ b/src/screen.c
@@ -115,6 +115,7 @@ void SDL_UpdateRects(SDL_Surface *screen, int numrects, SDL_Rect *rects)
if (bUseSdlRenderer)
{
SDL_UpdateTexture(sdlTexture, NULL, screen->pixels, screen->pitch);
+ SDL_RenderClear(sdlRenderer);
SDL_RenderCopy(sdlRenderer, sdlTexture, NULL, NULL);
SDL_RenderPresent(sdlRenderer);
}