OBSProjector::~OBSProjector()
{
bool isMultiview = type == ProjectorType::Multiview;
obs_display_remove_draw_callback(GetDisplay(),
isMultiview ? OBSRenderMultiview : OBSRender, this);
if (source)
obs_source_dec_showing(source);
if (isMultiview) {
for (OBSWeakSource &weakSrc : multiviewScenes) {
OBSSource src = OBSGetStrongRef(weakSrc);
if (src)
obs_source_dec_showing(src);
}
obs_enter_graphics();
gs_vertexbuffer_destroy(actionSafeMargin);
gs_vertexbuffer_destroy(graphicsSafeMargin);
gs_vertexbuffer_destroy(fourByThreeSafeMargin);
gs_vertexbuffer_destroy(leftLine);
gs_vertexbuffer_destroy(topLine);
gs_vertexbuffer_destroy(rightLine);
obs_leave_graphics();
}
if (type == ProjectorType::Multiview)
multiviewProjectors.removeAll(this);
if (isWindow)
windowedProjectors.removeAll(this);
App()->DecrementSleepInhibition();
}
void OBSProjector::OBSRender(void *data, uint32_t cx, uint32_t cy)
{
OBSProjector *window = reinterpret_cast<OBSProjector*>(data);
if (!window->ready)
return;
OBSBasic *main = reinterpret_cast<OBSBasic*>(App()->GetMainWindow());
OBSSource source = window->source;
uint32_t targetCX;
uint32_t targetCY;
int x, y;
int newCX, newCY;
float scale;
if (source) {
targetCX = std::max(obs_source_get_width(source), 1u);
targetCY = std::max(obs_source_get_height(source), 1u);
} else {
struct obs_video_info ovi;
obs_get_video_info(&ovi);
targetCX = ovi.base_width;
targetCY = ovi.base_height;
}
GetScaleAndCenterPos(targetCX, targetCY, cx, cy, x, y, scale);
newCX = int(scale * float(targetCX));
newCY = int(scale * float(targetCY));
startRegion(x, y, newCX, newCY, 0.0f, float(targetCX), 0.0f,
float(targetCY));
if (window->type == ProjectorType::Preview &&
main->IsPreviewProgramMode()) {
OBSSource curSource = main->GetCurrentSceneSource();
if (source != curSource) {
obs_source_dec_showing(source);
obs_source_inc_showing(curSource);
source = curSource;
window->source = source;
}
}
if (source)
obs_source_video_render(source);
else
obs_render_main_texture();
endRegion();
}
OBSProjector::~OBSProjector()
{
if (source)
obs_source_dec_showing(source);
App()->DecrementSleepInhibition();
}
