C++ (Cpp) to_sna_from_drawable示例

示例#1

bool
sna_tiling_composite(uint32_t op,
		     PicturePtr src,
		     PicturePtr mask,
		     PicturePtr dst,
		     int16_t src_x,  int16_t src_y,
		     int16_t mask_x, int16_t mask_y,
		     int16_t dst_x,  int16_t dst_y,
		     int16_t width,  int16_t height,
		     struct sna_composite_op *tmp)
{
	struct sna_tile_state *tile;
	struct sna_pixmap *priv;

	DBG(("%s size=(%d, %d), tile=%d\n",
	     __FUNCTION__, width, height,
	     to_sna_from_drawable(dst->pDrawable)->render.max_3d_size));

	priv = sna_pixmap(get_drawable_pixmap(dst->pDrawable));
	if (priv == NULL || priv->gpu_bo == NULL)
		return false;

	tile = malloc(sizeof(*tile));
	if (!tile)
		return false;

	tile->op = op;

	tile->src  = src;
	tile->mask = mask;
	tile->dst  = dst;

	tile->src_x = src_x;
	tile->src_y = src_y;
	tile->mask_x = mask_x;
	tile->mask_y = mask_y;
	tile->dst_x = dst_x;
	tile->dst_y = dst_y;
	tile->width = width;
	tile->height = height;
	tile->rects = tile->rects_embedded;
	tile->rect_count = 0;
	tile->rect_size = ARRAY_SIZE(tile->rects_embedded);

	tmp->blt   = sna_tiling_composite_blt;
	tmp->box   = sna_tiling_composite_box;
	tmp->boxes = sna_tiling_composite_boxes;
	tmp->done  = sna_tiling_composite_done;

	tmp->priv = tile;
	return true;
}

示例#2

文件： sna_present.c 项目： frydsh/xf86-video-intel

static RRCrtcPtr
sna_present_get_crtc(WindowPtr window)
{
	struct sna *sna = to_sna_from_drawable(&window->drawable);
	BoxRec box;
	xf86CrtcPtr crtc;

	DBG(("%s\n", __FUNCTION__));

	box.x1 = window->drawable.x;
	box.y1 = window->drawable.y;
	box.x2 = box.x1 + window->drawable.width;
	box.y2 = box.y1 + window->drawable.height;

	crtc = sna_covering_crtc(sna, &box, NULL);
	if (crtc)
		return crtc->randr_crtc;

	return NULL;
}