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vulkan/wsi/wayland: Use per-display event queue

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Calling random callbacks on the display's event queue is hostile, as
we may call into client code when it least expects it. Create our own
event queue, one per wsi_wl_display, and use that for the registry.

Signed-off-by: Daniel Stone <daniels@collabora.com>
Reviewed-by: Lionel Landwerlin <lionel.g.landwerlin@intel.com>
Cc: mesa-stable@lists.freedesktop.org
This commit is contained in:
Daniel Stone 2017-05-02 10:04:33 +01:00
parent afe8c8a299
commit c902a1957d
1 changed files with 32 additions and 12 deletions
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44
src/vulkan/wsi/wsi_common_wayland.c
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@ -46,7 +46,11 @@
struct wsi_wayland;
struct wsi_wl_display {
struct wl_display * display;
/* The real wl_display */
struct wl_display * wl_display;
/* Actually a proxy wrapper around the event queue */
struct wl_display * wl_display_wrapper;
struct wl_event_queue * queue;
struct wl_drm * drm;
struct wsi_wayland *wsi_wl;
@ -251,6 +255,10 @@ wsi_wl_display_destroy(struct wsi_wayland *wsi, struct wsi_wl_display *display)
u_vector_finish(&display->formats);
if (display->drm)
wl_drm_destroy(display->drm);
if (display->wl_display_wrapper)
wl_proxy_wrapper_destroy(display->wl_display_wrapper);
if (display->queue)
wl_event_queue_destroy(display->queue);
vk_free(wsi->alloc, display);
}
@ -265,26 +273,38 @@ wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
memset(display, 0, sizeof(*display));
display->display = wl_display;
display->wsi_wl = wsi;
display->wl_display = wl_display;
if (!u_vector_init(&display->formats, sizeof(VkFormat), 8))
goto fail;
struct wl_registry *registry = wl_display_get_registry(wl_display);
display->queue = wl_display_create_queue(wl_display);
if (!display->queue)
goto fail;
display->wl_display_wrapper = wl_proxy_create_wrapper(wl_display);
if (!display->wl_display_wrapper)
goto fail;
wl_proxy_set_queue((struct wl_proxy *) display->wl_display_wrapper,
display->queue);
struct wl_registry *registry =
wl_display_get_registry(display->wl_display_wrapper);
if (!registry)
goto fail;
wl_registry_add_listener(registry, &registry_listener, display);
/* Round-rip to get the wl_drm global */
wl_display_roundtrip(wl_display);
/* Round-trip to get the wl_drm global */
wl_display_roundtrip_queue(display->wl_display, display->queue);
if (!display->drm)
goto fail_registry;
/* Round-rip to get wl_drm formats and capabilities */
wl_display_roundtrip(wl_display);
/* Round-trip to get wl_drm formats and capabilities */
wl_display_roundtrip_queue(display->wl_display, display->queue);
/* We need prime support */
if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
@ -561,7 +581,7 @@ wsi_wl_swapchain_acquire_next_image(struct wsi_swapchain *wsi_chain,
{
struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain;
int ret = wl_display_dispatch_queue_pending(chain->display->display,
int ret = wl_display_dispatch_queue_pending(chain->display->wl_display,
chain->queue);
/* XXX: I'm not sure if out-of-date is the right error here. If
* wl_display_dispatch_queue_pending fails it most likely means we got
@ -583,7 +603,7 @@ wsi_wl_swapchain_acquire_next_image(struct wsi_swapchain *wsi_chain,
/* This time we do a blocking dispatch because we can't go
* anywhere until we get an event.
*/
int ret = wl_display_roundtrip_queue(chain->display->display,
int ret = wl_display_roundtrip_queue(chain->display->wl_display,
chain->queue);
if (ret < 0)
return VK_ERROR_OUT_OF_DATE_KHR;
@ -613,7 +633,7 @@ wsi_wl_swapchain_queue_present(struct wsi_swapchain *wsi_chain,
if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
while (!chain->fifo_ready) {
int ret = wl_display_dispatch_queue(chain->display->display,
int ret = wl_display_dispatch_queue(chain->display->wl_display,
chain->queue);
if (ret < 0)
return VK_ERROR_OUT_OF_DATE_KHR;
@ -645,7 +665,7 @@ wsi_wl_swapchain_queue_present(struct wsi_swapchain *wsi_chain,
chain->images[image_index].busy = true;
wl_surface_commit(chain->surface);
wl_display_flush(chain->display->display);
wl_display_flush(chain->display->wl_display);
return VK_SUCCESS;
}
@ -791,7 +811,7 @@ wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
goto fail;
}
chain->queue = wl_display_create_queue(chain->display->display);
chain->queue = wl_display_create_queue(chain->display->wl_display);
if (!chain->queue) {
result = VK_ERROR_INITIALIZATION_FAILED;
goto fail;