OBS/obs-studio
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libobs: Straight alpha blend for filtered inputs

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This is necessary if the source contains overlapping draws.
This commit is contained in:
jpark37 2021-05-21 23:00:02 -07:00 committed by Jim
parent 2dc87dcd7f
commit 8cf28ceafd
1 changed files with 3 additions and 2 deletions
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5
libobs/obs-source.c
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@ -3739,8 +3739,9 @@ bool obs_source_process_filter_begin(obs_source_t *filter,
if (gs_texrender_begin(filter->filter_texrender, cx, cy)) {
gs_blend_state_push();
gs_blend_function_separate(GS_BLEND_SRCALPHA, GS_BLEND_ZERO,
GS_BLEND_ONE, GS_BLEND_ZERO);
gs_blend_function_separate(GS_BLEND_SRCALPHA,
GS_BLEND_INVSRCALPHA, GS_BLEND_ONE,
GS_BLEND_INVSRCALPHA);
bool custom_draw = (parent_flags & OBS_SOURCE_CUSTOM_DRAW) != 0;
bool async = (parent_flags & OBS_SOURCE_ASYNC) != 0;