diff options
| -rw-r--r-- | frontend/libretro.c | 31 |
1 files changed, 20 insertions, 11 deletions
diff --git a/frontend/libretro.c b/frontend/libretro.c index 3431685..3b366d4 100644 --- a/frontend/libretro.c +++ b/frontend/libretro.c @@ -28,6 +28,9 @@ static retro_environment_t environ_cb; static retro_audio_sample_batch_t audio_batch_cb; static void *vout_buf; +static int vout_width, vout_height; +static int vout_doffs_old, vout_fb_dirty; + static int samples_sent, samples_to_send; static int plugins_opened; @@ -81,6 +84,8 @@ static int vout_open(void) static void vout_set_mode(int w, int h, int raw_w, int raw_h, int bpp) { + vout_width = w; + vout_height = h; } #ifndef FRONTEND_SUPPORTS_RGB565 @@ -95,15 +100,12 @@ static void convert(void *buf, size_t bytes) } #endif -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) { unsigned short *dest = vout_buf; const unsigned short *src = vram; - int dstride = w, h1 = h; + int dstride = vout_width, h1 = h; + int doffs; if (vram == NULL) { // blanking @@ -111,6 +113,15 @@ static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) goto out; } + doffs = (vout_height - h) * dstride; + doffs += (dstride - w) / 2 & ~1; + if (doffs != vout_doffs_old) { + // clear borders + memset(vout_buf, 0, dstride * h * 2); + vout_doffs_old = doffs; + } + dest += doffs; + if (bgr24) { // XXX: could we switch to RETRO_PIXEL_FORMAT_XRGB8888 here? @@ -129,11 +140,9 @@ static void vout_flip(const void *vram, int stride, int bgr24, int w, int h) out: #ifndef FRONTEND_SUPPORTS_RGB565 - convert(vout_buf, w * h * 2); + convert(vout_buf, vout_width * vout_height * 2); #endif - game_width = w; - game_height = h; - game_fb_dirty = 1; + vout_fb_dirty = 1; pl_rearmed_cbs.flip_cnt++; } @@ -393,8 +402,8 @@ void retro_run(void) samples_to_send += 44100 / 60; - video_cb(game_fb_dirty ? vout_buf : NULL, game_width, game_height, game_width * 2); - game_fb_dirty = 0; + video_cb(vout_fb_dirty ? vout_buf : NULL, vout_width, vout_height, vout_width * 2); + vout_fb_dirty = 0; } void retro_init(void) |