From e2bdb933ecee40a0c4caf14a20f5e642e3b93120 Mon Sep 17 00:00:00 2001 From: notaz Date: Mon, 10 Dec 2012 03:38:46 +0200 Subject: [PATCH 1/1] libretro: only pass fb to video_cb when it's updated --- frontend/libretro.c | 8 ++++++-- 1 file changed, 6 insertions(+), 2 deletions(-) diff --git a/frontend/libretro.c b/frontend/libretro.c index 62129808..8256fe18 100644 --- a/frontend/libretro.c +++ b/frontend/libretro.c @@ -97,6 +97,7 @@ static void convert(void *buf, size_t bytes) static unsigned game_width; static unsigned game_height; +static unsigned game_fb_dirty; static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) { @@ -132,7 +133,8 @@ out: #endif game_width = w; game_height = h; - pl_rearmed_cbs.flip_cnt++; + game_fb_dirty = 1; + pl_rearmed_cbs.flip_cnt++; } static void vout_close(void) @@ -390,7 +392,9 @@ void retro_run(void) psxCpu->Execute(); samples_to_send += 44100 / 60; - video_cb(vout_buf, game_width, game_height, game_width * 2); + + video_cb(game_fb_dirty ? vout_buf : NULL, game_width, game_height, game_width * 2); + game_fb_dirty = 0; } void retro_init(void) -- 2.39.2