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 <dani...@collabora.com> Cc: mesa-sta...@lists.freedesktop.org --- src/vulkan/wsi/wsi_common_wayland.c | 44 +++++++++++++++++++++++++++---------- 1 file changed, 32 insertions(+), 12 deletions(-) diff --git a/src/vulkan/wsi/wsi_common_wayland.c b/src/vulkan/wsi/wsi_common_wayland.c index 014ea13d65..c67ba089f9 100644 --- a/src/vulkan/wsi/wsi_common_wayland.c +++ b/src/vulkan/wsi/wsi_common_wayland.c @@ -45,7 +45,11 @@ 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; @@ -250,6 +254,10 @@ 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); } @@ -264,26 +272,38 @@ 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, ®istry_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)) @@ -535,7 +555,7 @@ 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 @@ -557,7 +577,7 @@ 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; @@ -587,7 +607,7 @@ 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; @@ -619,7 +639,7 @@ 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; } @@ -765,7 +785,7 @@ 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; -- 2.13.0 _______________________________________________ mesa-dev mailing list mesa-dev@lists.freedesktop.org https://lists.freedesktop.org/mailman/listinfo/mesa-dev