mirror of
https://github.com/moonlight-stream/moonlight-qt.git
synced 2026-04-18 06:10:07 +00:00
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
#include "waylandvsyncsource.h"
|
|
|
|
#ifndef SDL_VIDEO_DRIVER_WAYLAND
|
|
#warning Unable to use WaylandVsyncSource without SDL support
|
|
#else
|
|
|
|
const struct wl_callback_listener WaylandVsyncSource::s_FrameListener = {
|
|
.done = WaylandVsyncSource::frameDone,
|
|
};
|
|
|
|
WaylandVsyncSource::WaylandVsyncSource(Pacer* pacer)
|
|
: m_Pacer(pacer),
|
|
m_Display(nullptr),
|
|
m_Surface(nullptr),
|
|
m_Callback(nullptr)
|
|
{
|
|
|
|
}
|
|
|
|
WaylandVsyncSource::~WaylandVsyncSource()
|
|
{
|
|
if (m_Callback != nullptr) {
|
|
wl_callback_destroy(m_Callback);
|
|
wl_display_roundtrip(m_Display);
|
|
}
|
|
}
|
|
|
|
bool WaylandVsyncSource::initialize(SDL_Window* window, int)
|
|
{
|
|
m_Display = (wl_display*)SDLC_Wayland_GetDisplay(window);
|
|
m_Surface = (wl_surface*)SDLC_Wayland_GetSurface(window);
|
|
|
|
// Enqueue our first frame callback
|
|
m_Callback = wl_surface_frame(m_Surface);
|
|
wl_callback_add_listener(m_Callback, &s_FrameListener, this);
|
|
wl_surface_commit(m_Surface);
|
|
|
|
return true;
|
|
}
|
|
|
|
bool WaylandVsyncSource::isAsync()
|
|
{
|
|
// Wayland frame callbacks are asynchronous
|
|
return true;
|
|
}
|
|
|
|
void WaylandVsyncSource::frameDone(void* data, struct wl_callback* oldCb, uint32_t)
|
|
{
|
|
auto me = (WaylandVsyncSource*)data;
|
|
|
|
// Free this callback
|
|
SDL_assert(oldCb == me->m_Callback);
|
|
wl_callback_destroy(oldCb);
|
|
|
|
// Wake the Pacer Vsync thread
|
|
me->m_Pacer->signalVsync();
|
|
|
|
// Register for another callback
|
|
me->m_Callback = wl_surface_frame(me->m_Surface);
|
|
wl_callback_add_listener(me->m_Callback, &s_FrameListener, data);
|
|
wl_surface_commit(me->m_Surface);
|
|
wl_display_flush(me->m_Display);
|
|
}
|
|
|
|
#endif
|