static inline void unmap_last_surface(struct obs_core_video *video)
{
if (video->mapped_surface) {
stagesurface_unmap(video->mapped_surface);
video->mapped_surface = NULL;
}
}
static bool swap_frame(uint64_t timestamp)
{
struct obs_video *video = &obs->video;
stagesurf_t last_surface = video->copy_surfaces[video->cur_texture];
stagesurf_t surface;
struct video_frame frame;
/* the last frame stays mapped until rendering starts with the next */
if (video->copy_mapped) {
stagesurface_unmap(last_surface);
video->copy_mapped = false;
}
video->textures_copied[video->cur_texture] = true;
/* TODO: texture staging */
//gs_stage_texture(last_surface, );
if (++video->cur_texture == NUM_TEXTURES)
video->cur_texture = 0;
if (video->textures_copied[video->cur_texture]) {
surface = video->copy_surfaces[video->cur_texture];
video->copy_mapped = stagesurface_map(surface, &frame.data,
&frame.row_size);
if (video->copy_mapped) {
frame.timestamp = timestamp;
video_output_frame(video->video, &frame);
}
}
return video->copy_mapped;
}
static void obs_free_graphics()
{
struct obs_video *video = &obs->video;
size_t i;
if (video->graphics) {
int cur_texture = video->cur_texture;
gs_entercontext(video->graphics);
if (video->copy_mapped)
stagesurface_unmap(video->copy_surfaces[cur_texture]);
for (i = 0; i < NUM_TEXTURES; i++) {
stagesurface_destroy(video->copy_surfaces[i]);
texture_destroy(video->render_textures[i]);
texture_destroy(video->output_textures[i]);
video->copy_surfaces[i] = NULL;
video->render_textures[i] = NULL;
video->output_textures[i] = NULL;
}
effect_destroy(video->default_effect);
video->default_effect = NULL;
gs_leavecontext();
gs_destroy(video->graphics);
video->graphics = NULL;
video->cur_texture = 0;
}
}
static void obs_free_video(void)
{
struct obs_core_video *video = &obs->video;
if (video->video) {
obs_display_free(&video->main_display);
video_output_close(video->video);
video->video = NULL;
if (!video->graphics)
return;
gs_entercontext(video->graphics);
if (video->mapped_surface) {
stagesurface_unmap(video->mapped_surface);
video->mapped_surface = NULL;
}
for (size_t i = 0; i < NUM_TEXTURES; i++) {
stagesurface_destroy(video->copy_surfaces[i]);
texture_destroy(video->render_textures[i]);
texture_destroy(video->convert_textures[i]);
texture_destroy(video->output_textures[i]);
source_frame_free(&video->convert_frames[i]);
video->copy_surfaces[i] = NULL;
video->render_textures[i] = NULL;
video->convert_textures[i] = NULL;
video->output_textures[i] = NULL;
}
gs_leavecontext();
video->cur_texture = 0;
}
}
