void intel_swap_buffers(struct egl_drm_drawable *draw)
{
struct intel_framebuffer *intel_fb = (struct intel_framebuffer *)draw->priv;
struct pipe_surface *back_surf;
assert(intel_fb);
assert(intel_fb->stfb);
back_surf = st_get_framebuffer_surface(intel_fb->stfb, ST_SURFACE_BACK_LEFT);
if (back_surf) {
st_notify_swapbuffers(intel_fb->stfb);
if (intel_fb->front)
intel_display_surface(draw, back_surf);
st_notify_swapbuffers_complete(intel_fb->stfb);
}
}
void
intelSwapBuffers(__DRIdrawablePrivate * dPriv)
{
struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv);
struct pipe_surface *back_surf;
assert(intel_fb);
assert(intel_fb->stfb);
back_surf = st_get_framebuffer_surface(intel_fb->stfb,
ST_SURFACE_BACK_LEFT);
if (back_surf) {
st_notify_swapbuffers(intel_fb->stfb);
intelDisplaySurface(dPriv, back_surf, NULL);
st_notify_swapbuffers_complete(intel_fb->stfb);
}
}
/**
* Called via glXCopySubBufferMESA() to copy a subrect of the back
* buffer to the front buffer/screen.
*/
void
intelCopySubBuffer(__DRIdrawablePrivate * dPriv, int x, int y, int w, int h)
{
struct intel_framebuffer *intel_fb = intel_framebuffer(dPriv);
struct pipe_surface *back_surf;
assert(intel_fb);
assert(intel_fb->stfb);
back_surf = st_get_framebuffer_surface(intel_fb->stfb,
ST_SURFACE_BACK_LEFT);
if (back_surf) {
drm_clip_rect_t rect;
rect.x1 = x;
rect.y1 = y;
rect.x2 = w;
rect.y2 = h;
st_notify_swapbuffers(intel_fb->stfb);
intelDisplaySurface(dPriv, back_surf, &rect);
}
}
static EGLBoolean
xlib_eglSwapBuffers(_EGLDriver *drv, EGLDisplay dpy, EGLSurface draw)
{
/* error checking step: */
if (!_eglSwapBuffers(drv, dpy, draw))
return EGL_FALSE;
{
struct xlib_egl_surface *xsurf = lookup_surface(draw);
struct pipe_winsys *pws = xsurf->winsys;
struct pipe_surface *psurf =
st_get_framebuffer_surface(xsurf->Framebuffer, ST_SURFACE_BACK_LEFT);
st_notify_swapbuffers(xsurf->Framebuffer);
display_surface(pws, psurf, xsurf);
check_and_update_buffer_size(xsurf);
}
return EGL_TRUE;
}
/**
* XXX: Dispatch pipe_screen::flush_front_buffer to our
* stw_winsys::flush_front_buffer.
*/
static void
stw_flush_frontbuffer(struct pipe_screen *screen,
struct pipe_surface *surface,
void *context_private )
{
const struct stw_winsys *stw_winsys = stw_dev->stw_winsys;
HDC hdc = (HDC)context_private;
struct stw_framebuffer *fb;
fb = stw_framebuffer_from_hdc( hdc );
/* fb can be NULL if window was destroyed already */
if (fb) {
#if DEBUG
{
struct pipe_surface *surface2;
if(!st_get_framebuffer_surface( fb->stfb, ST_SURFACE_FRONT_LEFT, &surface2 ))
assert(0);
else
assert(surface2 == surface);
}
#endif
#ifdef DEBUG
if(stw_dev->trace_running) {
screen = trace_screen(screen)->screen;
surface = trace_surface(surface)->surface;
}
#endif
}
stw_winsys->flush_frontbuffer(screen, surface, hdc);
if(fb) {
stw_framebuffer_update(fb);
stw_framebuffer_release(fb);
}
}
