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libobs: Deinterlace as linear SRGB when needed

master
jpark37 2021-01-19 15:02:49 -08:00
parent 72efe8b942
commit 9e66a4d1ad
1 changed files with 36 additions and 2 deletions
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38
libobs/obs-source-deinterlace.c
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@ -346,6 +346,25 @@ static inline gs_effect_t *get_effect(enum obs_deinterlace_mode mode)
return NULL;
}
static bool deinterlace_linear_required(enum obs_deinterlace_mode mode)
{
switch (mode) {
case OBS_DEINTERLACE_MODE_DISABLE:
case OBS_DEINTERLACE_MODE_DISCARD:
case OBS_DEINTERLACE_MODE_RETRO:
return false;
case OBS_DEINTERLACE_MODE_BLEND:
case OBS_DEINTERLACE_MODE_BLEND_2X:
case OBS_DEINTERLACE_MODE_LINEAR:
case OBS_DEINTERLACE_MODE_LINEAR_2X:
case OBS_DEINTERLACE_MODE_YADIF:
case OBS_DEINTERLACE_MODE_YADIF_2X:
return true;
}
return false;
}
void deinterlace_render(obs_source_t *s)
{
gs_effect_t *effect = s->deinterlace_effect;
@ -372,8 +391,21 @@ void deinterlace_render(obs_source_t *s)
if (!cur_tex || !prev_tex || !s->async_width || !s->async_height)
return;
gs_effect_set_texture(image, cur_tex);
gs_effect_set_texture(prev, prev_tex);
const bool linear_srgb =
gs_get_linear_srgb() ||
deinterlace_linear_required(s->deinterlace_mode);
const bool previous = gs_framebuffer_srgb_enabled();
gs_enable_framebuffer_srgb(linear_srgb);
if (linear_srgb) {
gs_effect_set_texture_srgb(image, cur_tex);
gs_effect_set_texture_srgb(prev, prev_tex);
} else {
gs_effect_set_texture(image, cur_tex);
gs_effect_set_texture(prev, prev_tex);
}
gs_effect_set_int(field, s->deinterlace_top_first);
gs_effect_set_vec2(dimensions, &size);
@ -385,6 +417,8 @@ void deinterlace_render(obs_source_t *s)
while (gs_effect_loop(effect, "Draw"))
gs_draw_sprite(NULL, s->async_flip ? GS_FLIP_V : 0,
s->async_width, s->async_height);
gs_enable_framebuffer_srgb(previous);
}
static void enable_deinterlacing(obs_source_t *source,