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decklink-output-ui: Render texrender once per frame

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To prevent rendering the texrender more than necessary, only
render it once per frame in a tick callback.
This commit is contained in:
Clayton Groeneveld 2021-05-12 19:25:02 -05:00 committed by Jim
parent 0a3cd9021b
commit b28f99d4cd
1 changed files with 12 additions and 2 deletions
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14
UI/frontend-plugins/decklink-output-ui/decklink-ui-main.cpp
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@ -105,6 +105,16 @@ OBSData load_preview_settings()
void on_preview_scene_changed(enum obs_frontend_event event, void *param);
void render_preview_source(void *param, uint32_t cx, uint32_t cy);
static void preview_tick(void *param, float sec)
{
UNUSED_PARAMETER(sec);
auto ctx = (struct preview_output *)param;
if (ctx->texrender)
gs_texrender_reset(ctx->texrender);
}
void preview_output_stop()
{
obs_output_stop(context.output);
@ -122,6 +132,7 @@ void preview_output_stop()
obs_leave_graphics();
video_output_close(context.video_queue);
obs_remove_tick_callback(preview_tick, &context);
preview_output_running = false;
doUI->PreviewOutputStateChanged(false);
@ -132,6 +143,7 @@ void preview_output_start()
OBSData settings = load_preview_settings();
if (settings != nullptr) {
obs_add_tick_callback(preview_tick, &context);
context.output = obs_output_create("decklink_output",
"decklink_preview_output",
settings, NULL);
@ -231,8 +243,6 @@ void render_preview_source(void *param, uint32_t cx, uint32_t cy)
uint32_t width = obs_source_get_base_width(ctx->current_source);
uint32_t height = obs_source_get_base_height(ctx->current_source);
gs_texrender_reset(ctx->texrender);
if (gs_texrender_begin(ctx->texrender, width, height)) {
struct vec4 background;
vec4_zero(&background);