virtio-gpu-virgl: Add support for virgl video acceleration

Signed-off-by: Feng Jiang <jiangfeng@kylinos.cn>

debian/patches/0002-virtio-gpu-virgl-Add-support-for-virgl-video-acceler.patch

@@ -0,0 +1,48 @@
+From: Feng Jiang <jiangfeng@kylinos.cn>
+Date: Fri, 27 Sep 2024 10:04:38 +0800
+Subject: virtio-gpu-virgl: Add support for virgl video acceleration
+
+Signed-off-by: Feng Jiang <jiangfeng@kylinos.cn>
+---
+ hw/display/virtio-gpu-virgl.c | 8 ++++++++
+ 1 file changed, 8 insertions(+)
+
+diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
+index 9f34d0e..a3df55a 100644
+--- a/hw/display/virtio-gpu-virgl.c
++++ b/hw/display/virtio-gpu-virgl.c
+@@ -14,6 +14,7 @@
+ #include "qemu/osdep.h"
+ #include "qemu/error-report.h"
+ #include "qemu/iov.h"
++#include "qemu/drm.h"
+ #include "trace.h"
+ #include "hw/virtio/virtio.h"
+ #include "hw/virtio/virtio-gpu.h"
+@@ -563,12 +564,18 @@ static int virgl_make_context_current(void *opaque, int scanout_idx,
+                                    qctx);
+ }
+ 
++static int virgl_get_drm_fd(void *opaque)
++{
++    return qemu_drm_rendernode_open(NULL);
++}
++
+ static struct virgl_renderer_callbacks virtio_gpu_3d_cbs = {
+     .version             = 1,
+     .write_fence         = virgl_write_fence,
+     .create_gl_context   = virgl_create_context,
+     .destroy_gl_context  = virgl_destroy_context,
+     .make_current        = virgl_make_context_current,
++    .get_drm_fd          = virgl_get_drm_fd,
+ };
+ 
+ static void virtio_gpu_print_stats(void *opaque)
+@@ -638,6 +645,7 @@ int virtio_gpu_virgl_init(VirtIOGPU *g)
+         flags |= VIRGL_RENDERER_D3D11_SHARE_TEXTURE;
+     }
+ #endif
++    flags |= VIRGL_RENDERER_USE_VIDEO;
+ 
+     ret = virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs);
+     if (ret != 0) {

debian/patches/series

@@ -1 +1,2 @@
 0001-add-missing-files.patch
+0002-virtio-gpu-virgl-Add-support-for-virgl-video-acceler.patch