Exemplo n.º 1
0
static int virgl_drm_get_caps(struct virgl_winsys *vws,
                              struct virgl_drm_caps *caps)
{
   struct virgl_drm_winsys *vdws = virgl_drm_winsys(vws);
   struct drm_virtgpu_get_caps args;
   int ret;

   virgl_ws_fill_new_caps_defaults(caps);

   memset(&args, 0, sizeof(args));
   if (vdws->has_capset_query_fix) {
      /* if we have the query fix - try and get cap set id 2 first */
      args.cap_set_id = 2;
      args.size = sizeof(union virgl_caps);
   } else {
      args.cap_set_id = 1;
      args.size = sizeof(struct virgl_caps_v1);
   }
   args.addr = (unsigned long)&caps->caps;

   ret = drmIoctl(vdws->fd, DRM_IOCTL_VIRTGPU_GET_CAPS, &args);
   if (ret == -1 && errno == EINVAL) {
      /* Fallback to v1 */
      args.cap_set_id = 1;
      args.size = sizeof(struct virgl_caps_v1);
      ret = drmIoctl(vdws->fd, DRM_IOCTL_VIRTGPU_GET_CAPS, &args);
      if (ret == -1)
          return ret;
   }
   return ret;
}
Exemplo n.º 2
0
static int virgl_drm_winsys_submit_cmd(struct virgl_winsys *qws,
                                       struct virgl_cmd_buf *_cbuf)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct virgl_drm_cmd_buf *cbuf = virgl_drm_cmd_buf(_cbuf);
   struct drm_virtgpu_execbuffer eb;
   int ret;

   if (cbuf->base.cdw == 0)
      return 0;

   memset(&eb, 0, sizeof(struct drm_virtgpu_execbuffer));
   eb.command = (unsigned long)(void*)cbuf->buf;
   eb.size = cbuf->base.cdw * 4;
   eb.num_bo_handles = cbuf->cres;
   eb.bo_handles = (unsigned long)(void *)cbuf->res_hlist;

   ret = drmIoctl(qdws->fd, DRM_IOCTL_VIRTGPU_EXECBUFFER, &eb);
   if (ret == -1)
      fprintf(stderr,"got error from kernel - expect bad rendering %d\n", errno);
   cbuf->base.cdw = 0;

   virgl_drm_release_all_res(qdws, cbuf);

   memset(cbuf->is_handle_added, 0, sizeof(cbuf->is_handle_added));
   return ret;
}
Exemplo n.º 3
0
static void virgl_drm_winsys_resource_unref(struct virgl_winsys *qws,
                                            struct virgl_hw_res *hres)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);

   virgl_drm_resource_reference(qdws, &hres, NULL);
}
Exemplo n.º 4
0
static void virgl_fence_reference(struct virgl_winsys *vws,
                                  struct pipe_fence_handle **dst,
                                  struct pipe_fence_handle *src)
{
   struct virgl_drm_winsys *vdws = virgl_drm_winsys(vws);
   virgl_drm_resource_reference(vdws, (struct virgl_hw_res **)dst,
                                virgl_hw_res(src));
}
Exemplo n.º 5
0
static struct virgl_hw_res *
virgl_drm_winsys_resource_create(struct virgl_winsys *qws,
                                 enum pipe_texture_target target,
                                 uint32_t format,
                                 uint32_t bind,
                                 uint32_t width,
                                 uint32_t height,
                                 uint32_t depth,
                                 uint32_t array_size,
                                 uint32_t last_level,
                                 uint32_t nr_samples,
                                 uint32_t size)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct drm_virtgpu_resource_create createcmd;
   int ret;
   struct virgl_hw_res *res;
   uint32_t stride = width * util_format_get_blocksize(format);

   res = CALLOC_STRUCT(virgl_hw_res);
   if (!res)
      return NULL;

   memset(&createcmd, 0, sizeof(createcmd));
   createcmd.target = target;
   createcmd.format = format;
   createcmd.bind = bind;
   createcmd.width = width;
   createcmd.height = height;
   createcmd.depth = depth;
   createcmd.array_size = array_size;
   createcmd.last_level = last_level;
   createcmd.nr_samples = nr_samples;
   createcmd.stride = stride;
   createcmd.size = size;

   ret = drmIoctl(qdws->fd, DRM_IOCTL_VIRTGPU_RESOURCE_CREATE, &createcmd);
   if (ret != 0) {
      FREE(res);
      return NULL;
   }

   res->bind = bind;
   res->format = format;

   res->res_handle = createcmd.res_handle;
   res->bo_handle = createcmd.bo_handle;
   res->size = size;
   res->stride = stride;
   pipe_reference_init(&res->reference, 1);
   res->num_cs_references = 0;
   return res;
}
Exemplo n.º 6
0
static int virgl_drm_get_caps(struct virgl_winsys *vws,
                              struct virgl_drm_caps *caps)
{
   struct virgl_drm_winsys *vdws = virgl_drm_winsys(vws);
   struct drm_virtgpu_get_caps args;

   memset(&args, 0, sizeof(args));

   args.cap_set_id = 1;
   args.addr = (unsigned long)&caps->caps;
   args.size = sizeof(union virgl_caps);
   return drmIoctl(vdws->fd, DRM_IOCTL_VIRTGPU_GET_CAPS, &args);
}
Exemplo n.º 7
0
static void virgl_drm_emit_res(struct virgl_winsys *qws,
                               struct virgl_cmd_buf *_cbuf,
                               struct virgl_hw_res *res, boolean write_buf)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct virgl_drm_cmd_buf *cbuf = virgl_drm_cmd_buf(_cbuf);
   boolean already_in_list = virgl_drm_lookup_res(cbuf, res);

   if (write_buf)
      cbuf->base.buf[cbuf->base.cdw++] = res->res_handle;

   if (!already_in_list)
      virgl_drm_add_res(qdws, cbuf, res);
}
Exemplo n.º 8
0
static void
virgl_drm_winsys_destroy(struct virgl_winsys *qws)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);

   virgl_cache_flush(qdws);

   util_hash_table_destroy(qdws->bo_handles);
   util_hash_table_destroy(qdws->bo_names);
   mtx_destroy(&qdws->bo_handles_mutex);
   mtx_destroy(&qdws->mutex);

   FREE(qdws);
}
Exemplo n.º 9
0
static void virgl_drm_resource_wait(struct virgl_winsys *qws,
                                    struct virgl_hw_res *res)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct drm_virtgpu_3d_wait waitcmd;
   int ret;

   memset(&waitcmd, 0, sizeof(waitcmd));
   waitcmd.handle = res->bo_handle;
 again:
   ret = drmIoctl(qdws->fd, DRM_IOCTL_VIRTGPU_WAIT, &waitcmd);
   if (ret == -EAGAIN)
      goto again;
}
Exemplo n.º 10
0
static void
virgl_drm_screen_destroy(struct pipe_screen *pscreen)
{
   struct virgl_screen *screen = virgl_screen(pscreen);
   boolean destroy;

   mtx_lock(&virgl_screen_mutex);
   destroy = --screen->refcnt == 0;
   if (destroy) {
      int fd = virgl_drm_winsys(screen->vws)->fd;
      util_hash_table_remove(fd_tab, intptr_to_pointer(fd));
   }
   mtx_unlock(&virgl_screen_mutex);

   if (destroy) {
      pscreen->destroy = screen->winsys_priv;
      pscreen->destroy(pscreen);
   }
}
Exemplo n.º 11
0
static int
virgl_bo_transfer_get(struct virgl_winsys *vws,
                      struct virgl_hw_res *res,
                      const struct pipe_box *box,
                      uint32_t stride, uint32_t layer_stride,
                      uint32_t buf_offset, uint32_t level)
{
   struct virgl_drm_winsys *vdws = virgl_drm_winsys(vws);
   struct drm_virtgpu_3d_transfer_from_host fromhostcmd;

   memset(&fromhostcmd, 0, sizeof(fromhostcmd));
   fromhostcmd.bo_handle = res->bo_handle;
   fromhostcmd.level = level;
   fromhostcmd.offset = buf_offset;
  // fromhostcmd.stride = stride;
  // fromhostcmd.layer_stride = layer_stride;
   fromhostcmd.box = *(struct drm_virtgpu_3d_box *)box;
   return drmIoctl(vdws->fd, DRM_IOCTL_VIRTGPU_TRANSFER_FROM_HOST, &fromhostcmd);
}
Exemplo n.º 12
0
static boolean virgl_drm_winsys_resource_get_handle(struct virgl_winsys *qws,
                                                    struct virgl_hw_res *res,
                                                    uint32_t stride,
                                                    struct winsys_handle *whandle)
 {
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct drm_gem_flink flink;

   if (!res)
       return FALSE;

   if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
      if (!res->flinked) {
         memset(&flink, 0, sizeof(flink));
         flink.handle = res->bo_handle;

         if (drmIoctl(qdws->fd, DRM_IOCTL_GEM_FLINK, &flink)) {
            return FALSE;
         }
         res->flinked = TRUE;
         res->flink = flink.name;

         mtx_lock(&qdws->bo_handles_mutex);
         util_hash_table_set(qdws->bo_names, (void *)(uintptr_t)res->flink, res);
         mtx_unlock(&qdws->bo_handles_mutex);
      }
      whandle->handle = res->flink;
   } else if (whandle->type == DRM_API_HANDLE_TYPE_KMS) {
      whandle->handle = res->bo_handle;
   } else if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
      if (drmPrimeHandleToFD(qdws->fd, res->bo_handle, DRM_CLOEXEC, (int*)&whandle->handle))
            return FALSE;
      mtx_lock(&qdws->bo_handles_mutex);
      util_hash_table_set(qdws->bo_handles, (void *)(uintptr_t)res->bo_handle, res);
      mtx_unlock(&qdws->bo_handles_mutex);
   }
   whandle->stride = stride;
   return TRUE;
}
Exemplo n.º 13
0
static bool virgl_fence_wait(struct virgl_winsys *vws,
                             struct pipe_fence_handle *fence,
                             uint64_t timeout)
{
   struct virgl_drm_winsys *vdws = virgl_drm_winsys(vws);
   struct virgl_hw_res *res = virgl_hw_res(fence);

   if (timeout == 0)
      return !virgl_drm_resource_is_busy(vdws, res);

   if (timeout != PIPE_TIMEOUT_INFINITE) {
      int64_t start_time = os_time_get();
      timeout /= 1000;
      while (virgl_drm_resource_is_busy(vdws, res)) {
         if (os_time_get() - start_time >= timeout)
            return FALSE;
         os_time_sleep(10);
      }
      return TRUE;
   }
   virgl_drm_resource_wait(vws, res);
   return TRUE;
}
Exemplo n.º 14
0
static int
virgl_bo_transfer_put(struct virgl_winsys *vws,
                      struct virgl_hw_res *res,
                      const struct pipe_box *box,
                      uint32_t stride, uint32_t layer_stride,
                      uint32_t buf_offset, uint32_t level)
{
   struct virgl_drm_winsys *vdws = virgl_drm_winsys(vws);
   struct drm_virtgpu_3d_transfer_to_host tohostcmd;

   memset(&tohostcmd, 0, sizeof(tohostcmd));
   tohostcmd.bo_handle = res->bo_handle;
   tohostcmd.box.x = box->x;
   tohostcmd.box.y = box->y;
   tohostcmd.box.z = box->z;
   tohostcmd.box.w = box->width;
   tohostcmd.box.h = box->height;
   tohostcmd.box.d = box->depth;
   tohostcmd.offset = buf_offset;
   tohostcmd.level = level;
  // tohostcmd.stride = stride;
  // tohostcmd.layer_stride = stride;
   return drmIoctl(vdws->fd, DRM_IOCTL_VIRTGPU_TRANSFER_TO_HOST, &tohostcmd);
}
Exemplo n.º 15
0
static void *virgl_drm_resource_map(struct virgl_winsys *qws,
                                    struct virgl_hw_res *res)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct drm_virtgpu_map mmap_arg;
   void *ptr;

   if (res->ptr)
      return res->ptr;

   memset(&mmap_arg, 0, sizeof(mmap_arg));
   mmap_arg.handle = res->bo_handle;
   if (drmIoctl(qdws->fd, DRM_IOCTL_VIRTGPU_MAP, &mmap_arg))
      return NULL;

   ptr = os_mmap(0, res->size, PROT_READ|PROT_WRITE, MAP_SHARED,
                 qdws->fd, mmap_arg.offset);
   if (ptr == MAP_FAILED)
      return NULL;

   res->ptr = ptr;
   return ptr;

}
Exemplo n.º 16
0
static struct virgl_hw_res *
virgl_drm_winsys_resource_cache_create(struct virgl_winsys *qws,
                                       enum pipe_texture_target target,
                                       uint32_t format,
                                       uint32_t bind,
                                       uint32_t width,
                                       uint32_t height,
                                       uint32_t depth,
                                       uint32_t array_size,
                                       uint32_t last_level,
                                       uint32_t nr_samples,
                                       uint32_t size)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct virgl_hw_res *res, *curr_res;
   struct list_head *curr, *next;
   int64_t now;
   int ret;

   /* only store binds for vertex/index/const buffers */
   if (bind != VIRGL_BIND_CONSTANT_BUFFER && bind != VIRGL_BIND_INDEX_BUFFER &&
       bind != VIRGL_BIND_VERTEX_BUFFER && bind != VIRGL_BIND_CUSTOM)
      goto alloc;

   mtx_lock(&qdws->mutex);

   res = NULL;
   curr = qdws->delayed.next;
   next = curr->next;

   now = os_time_get();
   while (curr != &qdws->delayed) {
      curr_res = LIST_ENTRY(struct virgl_hw_res, curr, head);

      if (!res && ((ret = virgl_is_res_compat(qdws, curr_res, size, bind, format)) > 0))
         res = curr_res;
      else if (os_time_timeout(curr_res->start, curr_res->end, now)) {
         LIST_DEL(&curr_res->head);
         virgl_hw_res_destroy(qdws, curr_res);
      } else
         break;

      if (ret == -1)
         break;

      curr = next;
      next = curr->next;
   }

   if (!res && ret != -1) {
      while (curr != &qdws->delayed) {
         curr_res = LIST_ENTRY(struct virgl_hw_res, curr, head);
         ret = virgl_is_res_compat(qdws, curr_res, size, bind, format);
         if (ret > 0) {
            res = curr_res;
            break;
         }
         if (ret == -1)
            break;
         curr = next;
         next = curr->next;
      }
   }

   if (res) {
      LIST_DEL(&res->head);
      --qdws->num_delayed;
      mtx_unlock(&qdws->mutex);
      pipe_reference_init(&res->reference, 1);
      return res;
   }

   mtx_unlock(&qdws->mutex);

alloc:
   res = virgl_drm_winsys_resource_create(qws, target, format, bind,
                                           width, height, depth, array_size,
                                           last_level, nr_samples, size);
   if (bind == VIRGL_BIND_CONSTANT_BUFFER || bind == VIRGL_BIND_INDEX_BUFFER ||
       bind == VIRGL_BIND_VERTEX_BUFFER)
      res->cacheable = TRUE;
   return res;
}
Exemplo n.º 17
0
static struct virgl_hw_res *
virgl_drm_winsys_resource_create_handle(struct virgl_winsys *qws,
                                        struct winsys_handle *whandle)
{
   struct virgl_drm_winsys *qdws = virgl_drm_winsys(qws);
   struct drm_gem_open open_arg = {};
   struct drm_virtgpu_resource_info info_arg = {};
   struct virgl_hw_res *res;
   uint32_t handle = whandle->handle;

   if (whandle->offset != 0) {
      fprintf(stderr, "attempt to import unsupported winsys offset %u\n",
              whandle->offset);
      return NULL;
   }

   mtx_lock(&qdws->bo_handles_mutex);

   if (whandle->type == DRM_API_HANDLE_TYPE_SHARED) {
      res = util_hash_table_get(qdws->bo_names, (void*)(uintptr_t)handle);
      if (res) {
         struct virgl_hw_res *r = NULL;
         virgl_drm_resource_reference(qdws, &r, res);
         goto done;
      }
   }

   if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
      int r;
      r = drmPrimeFDToHandle(qdws->fd, whandle->handle, &handle);
      if (r) {
         res = NULL;
         goto done;
      }
   }

   res = util_hash_table_get(qdws->bo_handles, (void*)(uintptr_t)handle);
   fprintf(stderr, "resource %p for handle %d, pfd=%d\n", res, handle, whandle->handle);
   if (res) {
      struct virgl_hw_res *r = NULL;
      virgl_drm_resource_reference(qdws, &r, res);
      goto done;
   }

   res = CALLOC_STRUCT(virgl_hw_res);
   if (!res)
      goto done;

   if (whandle->type == DRM_API_HANDLE_TYPE_FD) {
      res->bo_handle = handle;
   } else {
      fprintf(stderr, "gem open handle %d\n", handle);
      memset(&open_arg, 0, sizeof(open_arg));
      open_arg.name = whandle->handle;
      if (drmIoctl(qdws->fd, DRM_IOCTL_GEM_OPEN, &open_arg)) {
         FREE(res);
         res = NULL;
         goto done;
      }
      res->bo_handle = open_arg.handle;
   }
   res->name = handle;

   memset(&info_arg, 0, sizeof(info_arg));
   info_arg.bo_handle = res->bo_handle;

   if (drmIoctl(qdws->fd, DRM_IOCTL_VIRTGPU_RESOURCE_INFO, &info_arg)) {
      /* close */
      FREE(res);
      res = NULL;
      goto done;
   }

   res->res_handle = info_arg.res_handle;

   res->size = info_arg.size;
   res->stride = info_arg.stride;
   pipe_reference_init(&res->reference, 1);
   res->num_cs_references = 0;

   util_hash_table_set(qdws->bo_handles, (void *)(uintptr_t)handle, res);

done:
   mtx_unlock(&qdws->bo_handles_mutex);
   return res;
}