diff options
Diffstat (limited to 'hw/display/virtio-gpu.c')
-rw-r--r-- | hw/display/virtio-gpu.c | 64 |
1 files changed, 45 insertions, 19 deletions
diff --git a/hw/display/virtio-gpu.c b/hw/display/virtio-gpu.c index 71a0071..ec366f4 100644 --- a/hw/display/virtio-gpu.c +++ b/hw/display/virtio-gpu.c @@ -400,9 +400,47 @@ static void virtio_gpu_resource_create_2d(VirtIOGPU *g, g->hostmem += res->hostmem; } +static void virtio_gpu_disable_scanout(VirtIOGPU *g, int scanout_id) +{ + struct virtio_gpu_scanout *scanout = &g->scanout[scanout_id]; + struct virtio_gpu_simple_resource *res; + DisplaySurface *ds = NULL; + + if (scanout->resource_id == 0) { + return; + } + + res = virtio_gpu_find_resource(g, scanout->resource_id); + if (res) { + res->scanout_bitmask &= ~(1 << scanout_id); + } + + if (scanout_id == 0) { + /* primary head */ + ds = qemu_create_message_surface(scanout->width ?: 640, + scanout->height ?: 480, + "Guest disabled display."); + } + dpy_gfx_replace_surface(scanout->con, ds); + scanout->resource_id = 0; + scanout->ds = NULL; + scanout->width = 0; + scanout->height = 0; +} + static void virtio_gpu_resource_destroy(VirtIOGPU *g, struct virtio_gpu_simple_resource *res) { + int i; + + if (res->scanout_bitmask) { + for (i = 0; i < g->conf.max_outputs; i++) { + if (res->scanout_bitmask & (1 << i)) { + virtio_gpu_disable_scanout(g, i); + } + } + } + pixman_image_unref(res->image); virtio_gpu_cleanup_mapping(res); QTAILQ_REMOVE(&g->reslist, res, next); @@ -563,7 +601,7 @@ static void virtio_unref_resource(pixman_image_t *image, void *data) static void virtio_gpu_set_scanout(VirtIOGPU *g, struct virtio_gpu_ctrl_command *cmd) { - struct virtio_gpu_simple_resource *res; + struct virtio_gpu_simple_resource *res, *ores; struct virtio_gpu_scanout *scanout; pixman_format_code_t format; uint32_t offset; @@ -584,24 +622,7 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, g->enable = 1; if (ss.resource_id == 0) { - scanout = &g->scanout[ss.scanout_id]; - if (scanout->resource_id) { - res = virtio_gpu_find_resource(g, scanout->resource_id); - if (res) { - res->scanout_bitmask &= ~(1 << ss.scanout_id); - } - } - if (ss.scanout_id == 0) { - qemu_log_mask(LOG_GUEST_ERROR, - "%s: illegal scanout id specified %d", - __func__, ss.scanout_id); - cmd->error = VIRTIO_GPU_RESP_ERR_INVALID_SCANOUT_ID; - return; - } - dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, NULL); - scanout->ds = NULL; - scanout->width = 0; - scanout->height = 0; + virtio_gpu_disable_scanout(g, ss.scanout_id); return; } @@ -654,6 +675,11 @@ static void virtio_gpu_set_scanout(VirtIOGPU *g, dpy_gfx_replace_surface(g->scanout[ss.scanout_id].con, scanout->ds); } + ores = virtio_gpu_find_resource(g, scanout->resource_id); + if (ores) { + ores->scanout_bitmask &= ~(1 << ss.scanout_id); + } + res->scanout_bitmask |= (1 << ss.scanout_id); scanout->resource_id = ss.resource_id; scanout->x = ss.r.x; |