[v13,13/13] virtio-gpu: Support Venus context

Commit Message

Dmitry Osipenko May 27, 2024, 3:02 a.m. UTC

From: Antonio Caggiano <[e-mail]>

Request Venus when initializing VirGL and if venus=true flag is set for
virtio-gpu-gl device.

Signed-off-by: Antonio Caggiano <[e-mail]>
Signed-off-by: Huang Rui <[e-mail]>
Signed-off-by: Dmitry Osipenko <[e-mail]>
---
 hw/display/virtio-gpu-gl.c     |  2 ++
 hw/display/virtio-gpu-virgl.c  | 22 ++++++++++++++++++----
 hw/display/virtio-gpu.c        | 13 +++++++++++++
 include/hw/virtio/virtio-gpu.h |  3 +++
 meson.build                    |  1 +
 5 files changed, 37 insertions(+), 4 deletions(-)

Patch

diff --git a/hw/display/virtio-gpu-gl.c b/hw/display/virtio-gpu-gl.c
index 34a2bd2fa426..50292826e7cf 100644
--- a/hw/display/virtio-gpu-gl.c
+++ b/hw/display/virtio-gpu-gl.c
@@ -150,6 +150,8 @@  static void virtio_gpu_gl_device_realize(DeviceState *qdev, Error **errp)
 static Property virtio_gpu_gl_properties[] = {
     DEFINE_PROP_BIT("stats", VirtIOGPU, parent_obj.conf.flags,
                     VIRTIO_GPU_FLAG_STATS_ENABLED, false),
+    DEFINE_PROP_BIT("venus", VirtIOGPU, parent_obj.conf.flags,
+                    VIRTIO_GPU_FLAG_VENUS_ENABLED, false),
     DEFINE_PROP_END_OF_LIST(),
 };
 
diff --git a/hw/display/virtio-gpu-virgl.c b/hw/display/virtio-gpu-virgl.c
index d3ae3e3d4e24..c9d20a8a60d0 100644
--- a/hw/display/virtio-gpu-virgl.c
+++ b/hw/display/virtio-gpu-virgl.c
@@ -1139,6 +1139,11 @@  int virtio_gpu_virgl_init(VirtIOGPU *g)
         flags |= VIRGL_RENDERER_D3D11_SHARE_TEXTURE;
     }
 #endif
+#ifdef VIRGL_RENDERER_VENUS
+    if (virtio_gpu_venus_enabled(g->parent_obj.conf)) {
+        flags |= VIRGL_RENDERER_VENUS | VIRGL_RENDERER_RENDER_SERVER;
+    }
+#endif
 
     ret = virgl_renderer_init(g, flags, &virtio_gpu_3d_cbs);
     if (ret != 0) {
@@ -1172,7 +1177,7 @@  static void virtio_gpu_virgl_add_capset(GArray *capset_ids, uint32_t capset_id)
 
 GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g)
 {
-    uint32_t capset2_max_ver, capset2_max_size;
+    uint32_t capset_max_ver, capset_max_size;
     GArray *capset_ids;
 
     capset_ids = g_array_new(false, false, sizeof(uint32_t));
@@ -1181,12 +1186,21 @@  GArray *virtio_gpu_virgl_get_capsets(VirtIOGPU *g)
     virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VIRGL);
 
     virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VIRGL2,
-                              &capset2_max_ver,
-                              &capset2_max_size);
-    if (capset2_max_ver) {
+                               &capset_max_ver,
+                               &capset_max_size);
+    if (capset_max_ver) {
         virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VIRGL2);
     }
 
+    if (virtio_gpu_venus_enabled(g->parent_obj.conf)) {
+        virgl_renderer_get_cap_set(VIRTIO_GPU_CAPSET_VENUS,
+                                   &capset_max_ver,
+                                   &capset_max_size);
+        if (capset_max_size) {
+            virtio_gpu_virgl_add_capset(capset_ids, VIRTIO_GPU_CAPSET_VENUS);
+        }
+    }
+
     return capset_ids;
 }
 
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c
index d423bc9a7bf5..0618801715a6 100644
--- a/hw/display/virtio-gpu.c
+++ b/hw/display/virtio-gpu.c
@@ -1504,6 +1504,19 @@  void virtio_gpu_device_realize(DeviceState *qdev, Error **errp)
 #endif
     }
 
+    if (virtio_gpu_venus_enabled(g->parent_obj.conf)) {
+#ifdef HAVE_VIRGL_VENUS
+        if (!virtio_gpu_blob_enabled(g->parent_obj.conf) ||
+            !virtio_gpu_hostmem_enabled(g->parent_obj.conf)) {
+            error_setg(errp, "venus requires enabled blob and hostmem options");
+            return;
+        }
+#else
+        error_setg(errp, "old virglrenderer, venus unsupported");
+        return;
+#endif
+    }
+
     if (!virtio_gpu_base_device_realize(qdev,
                                         virtio_gpu_handle_ctrl_cb,
                                         virtio_gpu_handle_cursor_cb,
diff --git a/include/hw/virtio/virtio-gpu.h b/include/hw/virtio/virtio-gpu.h
index b9de761fd673..910c5c3bcd45 100644
--- a/include/hw/virtio/virtio-gpu.h
+++ b/include/hw/virtio/virtio-gpu.h
@@ -99,6 +99,7 @@  enum virtio_gpu_base_conf_flags {
     VIRTIO_GPU_FLAG_BLOB_ENABLED,
     VIRTIO_GPU_FLAG_CONTEXT_INIT_ENABLED,
     VIRTIO_GPU_FLAG_RUTABAGA_ENABLED,
+    VIRTIO_GPU_FLAG_VENUS_ENABLED,
 };
 
 #define virtio_gpu_virgl_enabled(_cfg) \
@@ -117,6 +118,8 @@  enum virtio_gpu_base_conf_flags {
     (_cfg.flags & (1 << VIRTIO_GPU_FLAG_RUTABAGA_ENABLED))
 #define virtio_gpu_hostmem_enabled(_cfg) \
     (_cfg.hostmem > 0)
+#define virtio_gpu_venus_enabled(_cfg) \
+    (_cfg.flags & (1 << VIRTIO_GPU_FLAG_VENUS_ENABLED))
 
 struct virtio_gpu_base_conf {
     uint32_t max_outputs;
diff --git a/meson.build b/meson.build
index e753da4c76c3..1d7346b70311 100644
--- a/meson.build
+++ b/meson.build
@@ -2312,6 +2312,7 @@  if virgl.version().version_compare('>=1.0.0')
   config_host_data.set('HAVE_VIRGL_D3D_INFO_EXT', 1)
   config_host_data.set('HAVE_VIRGL_CONTEXT_CREATE_WITH_FLAGS', 1)
   config_host_data.set('HAVE_VIRGL_RESOURCE_BLOB', 1)
+  config_host_data.set('HAVE_VIRGL_VENUS', 1)
 endif
 config_host_data.set('CONFIG_VIRTFS', have_virtfs)
 config_host_data.set('CONFIG_VTE', vte.found())