vkr: Modify vkr_device_from_handle.py to use proc-table

From a performance standpoint, is preferable to use the proc-table
and avoid the loader trampoline.

Signed-off-by: Igor Torrente <igor.torrente@collabora.com>
Part-of: <https://gitlab.freedesktop.org/virgl/virglrenderer/-/merge_requests/719>

src/venus/vkr_device_object.py

@@ -13,9 +13,12 @@ vkr_{create_func_name}_create_driver_handle(
    struct vn_command_{create_cmd} *args,
    struct vkr_{vkr_type} *obj)
 {{
+   struct vkr_device *dev = vkr_device_from_handle(args->device);
+   struct vn_device_proc_table *vk = &dev->proc_table;
+
    /* handles in args are replaced */
    vn_replace_{create_cmd}_args_handle(args);
-   args->ret = {create_cmd}(args->device, args->{create_info}, NULL,
+   args->ret = vk->{proc_create}(args->device, args->{create_info}, NULL,
       &obj->base.handle.{vkr_type});
    return args->ret;
 }}
@@ -31,9 +34,12 @@ VkResult vkr_{create_func_name}_create_driver_handles(
    struct vn_command_{create_cmd} *args,
    struct object_array *arr)
 {{
+   struct vkr_device *dev = vkr_device_from_handle(args->device);
+   struct vn_device_proc_table *vk = &dev->proc_table;
+
    /* handles in args are replaced */
    vn_replace_{create_cmd}_args_handle(args);
-   args->ret = {create_cmd}(args->device, args->{create_info},
+   args->ret = vk->{proc_create}(args->device, args->{create_info},
       arr->handle_storage);
    return args->ret;
 }}
@@ -47,9 +53,12 @@ vkr_{create_func_name}_create_driver_handles(
    struct vn_command_{create_cmd} *args,
    struct object_array *arr)
 {{
+   struct vkr_device *dev = vkr_device_from_handle(args->device);
+   struct vn_device_proc_table *vk = &dev->proc_table;
+
    /* handles in args are replaced */
    vn_replace_{create_cmd}_args_handle(args);
-   args->ret = {create_cmd}(args->device, args->{create_cache},
+   args->ret = vk->{proc_create}(args->device, args->{create_cache},
       args->{create_count}, args->{create_info}, NULL,
       arr->handle_storage);
    return args->ret;
@@ -63,9 +72,12 @@ vkr_{destroy_func_name}_destroy_driver_handle(
    UNUSED struct vkr_context *ctx,
    struct vn_command_{destroy_cmd} *args)
 {{
+   struct vkr_device *dev = vkr_device_from_handle(args->device);
+   struct vn_device_proc_table *vk = &dev->proc_table;
+
    /* handles in args are replaced */
    vn_replace_{destroy_cmd}_args_handle(args);
-   {destroy_cmd}(args->device, args->{destroy_obj}, NULL);
+   vk->{proc_destroy}(args->device, args->{destroy_obj}, NULL);
 }}
 '''
 
@@ -79,6 +91,9 @@ vkr_{destroy_func_name}_destroy_driver_handles(
    struct vn_command_{destroy_cmd} *args,
    struct list_head *free_list)
 {{
+   struct vkr_device *dev = vkr_device_from_handle(args->device);
+   struct vn_device_proc_table *vk = &dev->proc_table;
+
    list_inithead(free_list);
    for (uint32_t i = 0; i < args->{destroy_count}; i++) {{
       struct vkr_{vkr_type} *obj =
@@ -92,7 +107,7 @@ vkr_{destroy_func_name}_destroy_driver_handles(
 
    /* handles in args are replaced */
    vn_replace_{destroy_cmd}_args_handle(args);
-   {destroy_cmd}(args->device, args->{destroy_pool},
+   vk->{proc_destroy}(args->device, args->{destroy_pool},
       args->{destroy_count}, args->{destroy_objs});
 }}
 '''
@@ -428,6 +443,13 @@ def process_objects(json_objs):
         json_obj.setdefault('create_func_name', json_obj['vkr_type'])
         json_obj.setdefault('destroy_func_name', json_obj['vkr_type'])
         json_obj.setdefault('variants', [])
+        json_obj['proc_create'] = json_obj.get('create_cmd')[2:]
+        json_obj['proc_destroy'] = json_obj.get('destroy_cmd')[2:]
+        for variant in json_obj.get('variants'):
+            if variant.get('create_cmd') != None:
+                variant['proc_create'] = variant.get('create_cmd')[2:]
+            if variant.get('destroy_cmd') != None:
+                variant['proc_destroy'] = variant.get('create_cmd')[2:]
 
 def file_generator(json_file):
     contents = file_header_generator(json_file)