diff mbox series

[v2,12/12] virtio-gpu: Update cursor data using blob

Message ID 20210420065347.2685768-13-vivek.kasireddy@intel.com
State New
Headers show
Series virtio-gpu: Add support for Blob resources feature | expand

Commit Message

Kasireddy, Vivek April 20, 2021, 6:53 a.m. UTC 
If a blob is available for the cursor, copy the data from the blob.

Based-on-patch-by: Gerd Hoffmann <kraxel@redhat.com>
Signed-off-by: Vivek Kasireddy <vivek.kasireddy@intel.com>
---
 hw/display/virtio-gpu.c | 19 ++++++++++++++-----
 1 file changed, 14 insertions(+), 5 deletions(-)
diff mbox series

Patch

diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index 4399fb78f7..30be1f2602 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -66,6 +66,7 @@  static void update_cursor_data_simple(VirtIOGPU *g,
 {
     struct virtio_gpu_simple_resource *res;
     uint32_t pixels;
+    void *data;
 
     res = virtio_gpu_find_check_resource(g, resource_id, false,
                                          __func__, NULL);
@@ -73,14 +74,22 @@  static void update_cursor_data_simple(VirtIOGPU *g,
         return;
     }
 
-    if (pixman_image_get_width(res->image)  != s->current_cursor->width ||
-        pixman_image_get_height(res->image) != s->current_cursor->height) {
-        return;
+    if (res->blob_size) {
+        if (res->blob_size < (s->current_cursor->width *
+                              s->current_cursor->height * 4)) {
+            return;
+        }
+        data = res->blob;
+    } else {
+        if (pixman_image_get_width(res->image)  != s->current_cursor->width ||
+            pixman_image_get_height(res->image) != s->current_cursor->height) {
+            return;
+        }
+        data = pixman_image_get_data(res->image);
     }
 
     pixels = s->current_cursor->width * s->current_cursor->height;
-    memcpy(s->current_cursor->data,
-           pixman_image_get_data(res->image),
+    memcpy(s->current_cursor->data, data,
            pixels * sizeof(uint32_t));
 }