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libobs: Add premultiplied alpha base effect

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jp9000
2016-03-26 21:41:49 -07:00
parent 50961861c7
commit 96d848f3d2
4 changed files with 49 additions and 0 deletions
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9
libobs/obs.c
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@@ -291,6 +291,11 @@ static int obs_init_graphics(struct obs_video_info *ovi)
NULL);
bfree(filename);
filename = find_libobs_data_file("premultiplied_alpha.effect");
video->premultiplied_alpha_effect = gs_effect_create_from_file(filename,
NULL);
bfree(filename);
obs->video.transparent_texture = gs_texture_create(2, 2, GS_RGBA, 1,
&transparent_tex, 0);
@@ -306,6 +311,8 @@ static int obs_init_graphics(struct obs_video_info *ovi)
success = false;
if (!video->conversion_effect)
success = false;
if (!video->premultiplied_alpha_effect)
success = false;
if (!video->transparent_texture)
success = false;
@@ -1351,6 +1358,8 @@ gs_effect_t *obs_get_base_effect(enum obs_base_effect effect)
return obs->video.lanczos_effect;
case OBS_EFFECT_BILINEAR_LOWRES:
return obs->video.bilinear_lowres_effect;
case OBS_EFFECT_PREMULTIPLIED_ALPHA:
return obs->video.premultiplied_alpha_effect;
}
return NULL;