void
xmesa_swap_st_framebuffer(struct st_framebuffer_iface *stfbi)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
boolean ret;
ret = xmesa_st_framebuffer_display(stfbi, ST_ATTACHMENT_BACK_LEFT);
if (ret) {
struct pipe_resource **front, **back, *tmp;
front = &xstfb->textures[ST_ATTACHMENT_FRONT_LEFT];
back = &xstfb->textures[ST_ATTACHMENT_BACK_LEFT];
/* swap textures only if the front texture has been allocated */
if (*front) {
tmp = *front;
*front = *back;
*back = tmp;
/* the current context should validate the buffer after swapping */
if (!xmesa_strict_invalidate)
xmesa_notify_invalid_buffer(xstfb->buffer);
}
if (xmesa_strict_invalidate)
xmesa_check_buffer_size(xstfb->buffer);
}
}
void
xmesa_copy_st_framebuffer(struct st_framebuffer_iface *stfbi,
enum st_attachment_type src,
enum st_attachment_type dst,
int x, int y, int w, int h)
{
xmesa_st_framebuffer_copy_textures(stfbi, src, dst, x, y, w, h);
if (dst == ST_ATTACHMENT_FRONT_LEFT)
xmesa_st_framebuffer_display(stfbi, dst);
}
/**
* Called via st_framebuffer_iface::flush_front()
*/
static boolean
xmesa_st_framebuffer_flush_front(struct st_framebuffer_iface *stfbi,
enum st_attachment_type statt)
{
struct xmesa_st_framebuffer *xstfb = xmesa_st_framebuffer(stfbi);
boolean ret;
ret = xmesa_st_framebuffer_display(stfbi, statt);
if (ret && xmesa_strict_invalidate)
xmesa_check_buffer_size(xstfb->buffer);
return ret;
}
