static inline void render_item(struct obs_scene_item *item)
{
if (item->crop_render) {
uint32_t width = obs_source_get_width(item->source);
uint32_t height = obs_source_get_height(item->source);
uint32_t cx = calc_cx(item, width);
uint32_t cy = calc_cy(item, height);
if (cx && cy && gs_texrender_begin(item->crop_render, cx, cy)) {
float cx_scale = (float)width / (float)cx;
float cy_scale = (float)height / (float)cy;
gs_matrix_scale3f(cx_scale, cy_scale, 1.0f);
gs_matrix_translate3f(
-(float)item->crop.left,
-(float)item->crop.top,
0.0f);
obs_source_video_render(item->source);
gs_texrender_end(item->crop_render);
}
}
gs_matrix_push();
gs_matrix_mul(&item->draw_transform);
if (item->crop_render) {
gs_texture_t *tex = gs_texrender_get_texture(item->crop_render);
while (gs_effect_loop(obs->video.default_effect, "Draw"))
obs_source_draw(tex, 0, 0, 0, 0, 0);
} else {
obs_source_video_render(item->source);
}
gs_matrix_pop();
}
static inline void render_child(obs_source_t *transition,
obs_source_t *child, size_t idx)
{
uint32_t cx = transition->transition_actual_cx;
uint32_t cy = transition->transition_actual_cy;
struct vec4 blank;
if (!child)
return;
if (gs_texrender_begin(transition->transition_texrender[idx], cx, cy)) {
vec4_zero(&blank);
gs_clear(GS_CLEAR_COLOR, &blank, 0.0f, 0);
gs_matrix_push();
gs_matrix_mul(&transition->transition_matrices[idx]);
obs_source_video_render(child);
gs_matrix_pop();
gs_texrender_end(transition->transition_texrender[idx]);
}
}
static inline void render_item(struct obs_scene_item *item)
{
if (item->item_render) {
uint32_t width = obs_source_get_width(item->source);
uint32_t height = obs_source_get_height(item->source);
uint32_t cx = calc_cx(item, width);
uint32_t cy = calc_cy(item, height);
if (cx && cy && gs_texrender_begin(item->item_render, cx, cy)) {
float cx_scale = (float)width / (float)cx;
float cy_scale = (float)height / (float)cy;
struct vec4 clear_color;
vec4_zero(&clear_color);
gs_clear(GS_CLEAR_COLOR, &clear_color, 0.0f, 0);
gs_ortho(0.0f, (float)width, 0.0f, (float)height,
-100.0f, 100.0f);
gs_matrix_scale3f(cx_scale, cy_scale, 1.0f);
gs_matrix_translate3f(
-(float)item->crop.left,
-(float)item->crop.top,
0.0f);
obs_source_video_render(item->source);
gs_texrender_end(item->item_render);
}
}
gs_matrix_push();
gs_matrix_mul(&item->draw_transform);
if (item->item_render) {
render_item_texture(item);
} else {
obs_source_video_render(item->source);
}
gs_matrix_pop();
}
