7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
20  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
44 #define ALIGN(i,m)	(((i) + (m) - 1) & ~((m) - 1))
56 	struct overlay base;  member
57 	struct kms_image image;  member
73 static int kms_create_fb(int fd, struct kms_image *image)  in kms_create_fb()  argument
77 	handles[0] = image->handle;  in kms_create_fb()
78 	pitches[0] = image->stride;  in kms_create_fb()
82 			     image->width, image->height, image->format,  in kms_create_fb()
84 			     &image->name, 0) == 0;  in kms_create_fb()
87 static int attach_to_crtc(int fd, int crtc, int x, int y, struct kms_image *image)  in attach_to_crtc()  argument
92 	s.fb_id = image->name;  in attach_to_crtc()
96 	s.crtc_w = image->width;  in attach_to_crtc()
97 	s.crtc_h = image->height;  in attach_to_crtc()
100 	s.src_w = image->width << 16;  in attach_to_crtc()
101 	s.src_h = image->height << 16;  in attach_to_crtc()
119 	memcpy(priv->image.map, priv->mem, priv->size);  in kms_overlay_show()
121 	if (!priv->visible) {  in kms_overlay_show()
122 		attach_to_crtc(priv->fd, priv->crtc, priv->x, priv->y, &priv->image);  in kms_overlay_show()
123 		priv->visible = true;  in kms_overlay_show()
131 	if (priv->visible) {  in kms_overlay_hide()
132 		detach_from_crtc(priv->fd, priv->crtc);  in kms_overlay_hide()
133 		priv->visible = false;  in kms_overlay_hide()
140 	drmIoctl(priv->fd, DRM_IOCTL_MODE_RMFB, &priv->image.name);  in kms_overlay_destroy()
141 	munmap(priv->image.map, priv->image.size);  in kms_overlay_destroy()
142 	free(priv->mem);  in kms_overlay_destroy()
143 	close(priv->fd);  in kms_overlay_destroy()
194 		if (fd == -1)  in i915_open()
204 	return -1;  in i915_open()
231 	priv->fd = i915_open();  in kms_overlay_create()
232 	if (priv->fd == -1)  in kms_overlay_create()
235 	kmode = drmModeGetResources(priv->fd);  in kms_overlay_create()
240 	priv->crtc = 0;  in kms_overlay_create()
242 	for (i = 0; i < kmode->count_crtcs; i++) {  in kms_overlay_create()
246 		get_pipe.crtc_id = kmode->crtcs[i];  in kms_overlay_create()
247 		if (drmIoctl(priv->fd,  in kms_overlay_create()
256 		priv->crtc = get_pipe.crtc_id;  in kms_overlay_create()
259 	if (priv->crtc == 0)  in kms_overlay_create()
262 	priv->image.format = DRM_FORMAT_XRGB8888;  in kms_overlay_create()
263 	priv->image.width = ALIGN(*width, 4);  in kms_overlay_create()
264 	priv->image.height = ALIGN(*height, 2);  in kms_overlay_create()
265 	priv->image.stride = ALIGN(4*priv->image.width, 64);  in kms_overlay_create()
266 	priv->image.size = ALIGN(priv->image.stride * priv->image.height, 4096);  in kms_overlay_create()
269 	create.size = ALIGN(priv->image.size, 4096);  in kms_overlay_create()
270 	drmIoctl(priv->fd, DRM_IOCTL_I915_GEM_CREATE, &create);  in kms_overlay_create()
274 	priv->image.handle = create.handle;  in kms_overlay_create()
276 	if (!kms_create_fb(priv->fd, &priv->image))  in kms_overlay_create()
281 	if (!attach_to_crtc(priv->fd, priv->crtc, 0, 0, &priv->image))  in kms_overlay_create()
283 	detach_from_crtc(priv->fd, priv->crtc);  in kms_overlay_create()
286 	if (drmIoctl(priv->fd, DRM_IOCTL_I915_GEM_MMAP_GTT, &map))  in kms_overlay_create()
289 	priv->image.map = mmap(0, create.size, PROT_READ | PROT_WRITE, MAP_SHARED, priv->fd, map.offset);  in kms_overlay_create()
290 	if (priv->image.map == (void *)-1)  in kms_overlay_create()
293 	priv->mem = malloc(create.size);  in kms_overlay_create()
294 	if (priv->mem == NULL)  in kms_overlay_create()
297 	priv->base.surface =  in kms_overlay_create()
298 		cairo_image_surface_create_for_data(priv->mem,  in kms_overlay_create()
300 						    priv->image.width,  in kms_overlay_create()
301 						    priv->image.height,  in kms_overlay_create()
302 						    priv->image.stride);  in kms_overlay_create()
303 	if (cairo_surface_status(priv->base.surface))  in kms_overlay_create()
306 	priv->base.show = kms_overlay_show;  in kms_overlay_create()
307 	priv->base.hide = kms_overlay_hide;  in kms_overlay_create()
309 	priv->visible = false;  in kms_overlay_create()
310 	priv->x = 0;  in kms_overlay_create()
311 	priv->y = 0;  in kms_overlay_create()
313 	cairo_surface_set_user_data(priv->base.surface, &overlay_key, priv, kms_overlay_destroy);  in kms_overlay_create()
315 	*width = priv->image.width;  in kms_overlay_create()
316 	*height = priv->image.height;  in kms_overlay_create()
318 	drmIoctl(priv->fd, DRM_IOCTL_GEM_CLOSE, &create.handle);  in kms_overlay_create()
319 	return priv->base.surface;  in kms_overlay_create()
322 	free(priv->mem);  in kms_overlay_create()
324 	munmap(priv->image.map, create.size);  in kms_overlay_create()
326 	drmIoctl(priv->fd, DRM_IOCTL_MODE_RMFB, &priv->image.name);  in kms_overlay_create()
328 	drmIoctl(priv->fd, DRM_IOCTL_GEM_CLOSE, &create.handle);  in kms_overlay_create()
330 	close(priv->fd);  in kms_overlay_create()