C++ (Cpp) nv_window_belongs_to_crtc示例

示例#1

文件： nv_accel_common.c 项目： skeggsb/xf86-video-nouveau

void
NV11SyncToVBlank(PixmapPtr ppix, BoxPtr box)
{
	ScrnInfoPtr pScrn = xf86Screens[ppix->drawable.pScreen->myNum];
	NVPtr pNv = NVPTR(pScrn);
	struct nouveau_channel *chan = pNv->chan;
	int crtcs;

	if (!nouveau_exa_pixmap_is_onscreen(ppix))
		return;

	crtcs = nv_window_belongs_to_crtc(pScrn, box->x1, box->y1,
					  box->x2 - box->x1,
					  box->y2 - box->y1);
	if (!crtcs)
		return;

	BEGIN_NV04(chan, SUBC_BLIT(0x0000012C), 1);
	OUT_RING  (chan, 0);
	BEGIN_NV04(chan, SUBC_BLIT(0x00000134), 1);
	OUT_RING  (chan, ffs(crtcs) - 1);
	BEGIN_NV04(chan, SUBC_BLIT(0x00000100), 1);
	OUT_RING  (chan, 0);
	BEGIN_NV04(chan, SUBC_BLIT(0x00000130), 1);
	OUT_RING  (chan, 0);
}

示例#2

文件： nouveau_dri2.c 项目： imirkin/xf86-video-nouveau

static Bool
can_sync_to_vblank(DrawablePtr draw)
{
	ScrnInfoPtr scrn = xf86ScreenToScrn(draw->pScreen);
	NVPtr pNv = NVPTR(scrn);

	return pNv->glx_vblank &&
		nv_window_belongs_to_crtc(scrn, draw->x, draw->y,
					  draw->width, draw->height);
}