wayland: dmabuf: Translate tiled strides

GStreamer uses a different representation of tiled strides that needs
to be translated before being sent to wayland.

Part-of: <https://gitlab.freedesktop.org/gstreamer/gstreamer/-/merge_requests/7849>
This commit is contained in:
Nicolas Dufresne 2024-11-14 10:59:35 -05:00 committed by GStreamer Marge Bot
parent 9f707f6c64
commit a966f03cd7

View file

@ -81,6 +81,19 @@ static const struct zwp_linux_buffer_params_v1_listener params_listener = {
create_failed
};
static gint
get_drm_stride (const GstVideoFormatInfo * finfo, const gint * strides,
gint plane)
{
gint stride = strides[plane];
if (!GST_VIDEO_FORMAT_INFO_IS_TILED (finfo))
return stride;
return GST_VIDEO_TILE_X_TILES (stride) *
GST_VIDEO_FORMAT_INFO_TILE_STRIDE (finfo, plane);
}
struct wl_buffer *
gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
GstWlDisplay * display, const GstVideoInfoDmaDrm * drm_info)
@ -90,6 +103,7 @@ gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
guint64 modifier;
guint i, width = 0, height = 0;
GstVideoInfo info;
const GstVideoFormatInfo *finfo;
const gsize *offsets = NULL;
const gint *strides = NULL;
GstVideoMeta *vmeta;
@ -111,12 +125,14 @@ gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
vmeta = gst_buffer_get_video_meta (buf);
if (vmeta) {
finfo = drm_info->vinfo.finfo;
width = vmeta->width;
height = vmeta->height;
nplanes = vmeta->n_planes;
offsets = vmeta->offset;
strides = vmeta->stride;
} else if (gst_video_info_dma_drm_to_video_info (drm_info, &info)) {
finfo = info.finfo;
nplanes = GST_VIDEO_INFO_N_PLANES (&info);
width = info.width;
height = info.height;
@ -142,7 +158,7 @@ gst_wl_linux_dmabuf_construct_wl_buffer (GstBuffer * buf,
gsize skip;
offset = offsets[i];
stride = strides[i];
stride = get_drm_stride (finfo, strides, i);
if (gst_buffer_find_memory (buf, offset, 1, &mem_idx, &length, &skip)) {
GstMemory *m = gst_buffer_peek_memory (buf, mem_idx);
gint fd = gst_dmabuf_memory_get_fd (m);