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Merge pull request #1981 from jpark37/optimize-backdrop

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libobs: UI: Remove DrawBackdrop() to save fullscreen pass
This commit is contained in:
Jim
2019-07-20 17:09:08 -07:00
committed by GitHub
parent 3f7d4fe1f5 3456ed0644
commit 262a8c62bc
4 changed files with 25 additions and 8 deletions
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19
libobs/obs.c
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@@ -1645,7 +1645,10 @@ void obs_render_main_view(void)
obs_view_render(&obs->data.main_view);
}
void obs_render_main_texture(void)
static void obs_render_main_texture_internal(enum gs_blend_type src_c,
enum gs_blend_type dest_c,
enum gs_blend_type src_a,
enum gs_blend_type dest_a)
{
struct obs_core_video *video;
gs_texture_t *tex;
@@ -1665,7 +1668,7 @@ void obs_render_main_texture(void)
gs_effect_set_texture(param, tex);
gs_blend_state_push();
gs_blend_function(GS_BLEND_ONE, GS_BLEND_INVSRCALPHA);
gs_blend_function_separate(src_c, dest_c, src_a, dest_a);
while (gs_effect_loop(effect, "Draw"))
gs_draw_sprite(tex, 0, 0, 0);
@@ -1673,6 +1676,18 @@ void obs_render_main_texture(void)
gs_blend_state_pop();
}
void obs_render_main_texture(void)
{
obs_render_main_texture_internal(GS_BLEND_ONE, GS_BLEND_INVSRCALPHA,
GS_BLEND_ONE, GS_BLEND_INVSRCALPHA);
}
void obs_render_main_texture_src_color_only(void)
{
obs_render_main_texture_internal(GS_BLEND_ONE, GS_BLEND_ZERO,
GS_BLEND_ONE, GS_BLEND_INVSRCALPHA);
}
gs_texture_t *obs_get_main_texture(void)
{
struct obs_core_video *video;

3
libobs/obs.h
View File

@@ -649,6 +649,9 @@ EXPORT void obs_render_main_view(void);
/** Renders the last main output texture */
EXPORT void obs_render_main_texture(void);
/** Renders the last main output texture ignoring background color */
EXPORT void obs_render_main_texture_src_color_only(void);
/** Returns the last main output texture. This can return NULL if the texture
* is unavailable. */
EXPORT gs_texture_t *obs_get_main_texture(void);