static VkResult
x11_swapchain_destroy(struct wsi_swapchain *anv_chain,
const VkAllocationCallbacks *pAllocator)
{
struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
xcb_void_cookie_t cookie;
for (uint32_t i = 0; i < chain->image_count; i++)
x11_image_finish(chain, pAllocator, &chain->images[i]);
if (chain->threaded) {
chain->status = VK_ERROR_OUT_OF_DATE_KHR;
/* Push a UINT32_MAX to wake up the manager */
wsi_queue_push(&chain->present_queue, UINT32_MAX);
pthread_join(chain->queue_manager, NULL);
wsi_queue_destroy(&chain->acquire_queue);
wsi_queue_destroy(&chain->present_queue);
}
xcb_unregister_for_special_event(chain->conn, chain->special_event);
cookie = xcb_present_select_input_checked(chain->conn, chain->event_id,
chain->window,
XCB_PRESENT_EVENT_MASK_NO_EVENT);
xcb_discard_reply(chain->conn, cookie.sequence);
vk_free(pAllocator, chain);
return VK_SUCCESS;
}
static struct wsi_x11_connection *
wsi_x11_connection_create(const VkAllocationCallbacks *alloc,
xcb_connection_t *conn)
{
xcb_query_extension_cookie_t dri3_cookie, pres_cookie;
xcb_query_extension_reply_t *dri3_reply, *pres_reply;
struct wsi_x11_connection *wsi_conn =
vk_alloc(alloc, sizeof(*wsi_conn), 8,
VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
if (!wsi_conn)
return NULL;
dri3_cookie = xcb_query_extension(conn, 4, "DRI3");
pres_cookie = xcb_query_extension(conn, 7, "PRESENT");
dri3_reply = xcb_query_extension_reply(conn, dri3_cookie, NULL);
pres_reply = xcb_query_extension_reply(conn, pres_cookie, NULL);
if (dri3_reply == NULL || pres_reply == NULL) {
free(dri3_reply);
free(pres_reply);
vk_free(alloc, wsi_conn);
return NULL;
}
wsi_conn->has_dri3 = dri3_reply->present != 0;
wsi_conn->has_present = pres_reply->present != 0;
free(dri3_reply);
free(pres_reply);
return wsi_conn;
}
void
tu_pipeline_cache_finish(struct tu_pipeline_cache *cache)
{
for (unsigned i = 0; i < cache->table_size; ++i)
if (cache->hash_table[i]) {
vk_free(&cache->alloc, cache->hash_table[i]);
}
pthread_mutex_destroy(&cache->mutex);
free(cache->hash_table);
}
VkResult
wsi_x11_init_wsi(struct wsi_device *wsi_device,
const VkAllocationCallbacks *alloc)
{
struct wsi_x11 *wsi;
VkResult result;
wsi = vk_alloc(alloc, sizeof(*wsi), 8,
VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
if (!wsi) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail;
}
int ret = pthread_mutex_init(&wsi->mutex, NULL);
if (ret != 0) {
if (ret == ENOMEM) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
} else {
/* FINISHME: Choose a better error. */
result = VK_ERROR_OUT_OF_HOST_MEMORY;
}
goto fail_alloc;
}
wsi->connections = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
_mesa_key_pointer_equal);
if (!wsi->connections) {
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail_mutex;
}
wsi->base.get_support = x11_surface_get_support;
wsi->base.get_capabilities = x11_surface_get_capabilities;
wsi->base.get_formats = x11_surface_get_formats;
wsi->base.get_present_modes = x11_surface_get_present_modes;
wsi->base.create_swapchain = x11_surface_create_swapchain;
wsi_device->wsi[VK_ICD_WSI_PLATFORM_XCB] = &wsi->base;
wsi_device->wsi[VK_ICD_WSI_PLATFORM_XLIB] = &wsi->base;
return VK_SUCCESS;
fail_mutex:
pthread_mutex_destroy(&wsi->mutex);
fail_alloc:
vk_free(alloc, wsi);
fail:
wsi_device->wsi[VK_ICD_WSI_PLATFORM_XCB] = NULL;
wsi_device->wsi[VK_ICD_WSI_PLATFORM_XLIB] = NULL;
return result;
}
void
wsi_x11_finish_wsi(struct wsi_device *wsi_device,
const VkAllocationCallbacks *alloc)
{
struct wsi_x11 *wsi =
(struct wsi_x11 *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_XCB];
if (wsi) {
struct hash_entry *entry;
hash_table_foreach(wsi->connections, entry)
wsi_x11_connection_destroy(alloc, entry->data);
_mesa_hash_table_destroy(wsi->connections, NULL);
pthread_mutex_destroy(&wsi->mutex);
vk_free(alloc, wsi);
}
}
static void
wsi_x11_connection_destroy(const VkAllocationCallbacks *alloc,
struct wsi_x11_connection *conn)
{
vk_free(alloc, conn);
}
static VkResult
x11_surface_create_swapchain(VkIcdSurfaceBase *icd_surface,
VkDevice device,
struct wsi_device *wsi_device,
const VkSwapchainCreateInfoKHR *pCreateInfo,
const VkAllocationCallbacks* pAllocator,
const struct wsi_image_fns *image_fns,
struct wsi_swapchain **swapchain_out)
{
struct x11_swapchain *chain;
xcb_void_cookie_t cookie;
VkResult result;
assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
const unsigned num_images = pCreateInfo->minImageCount;
size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
chain = vk_alloc(pAllocator, size, 8,
VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
if (chain == NULL)
return VK_ERROR_OUT_OF_HOST_MEMORY;
xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
xcb_window_t window = x11_surface_get_window(icd_surface);
xcb_get_geometry_reply_t *geometry =
xcb_get_geometry_reply(conn, xcb_get_geometry(conn, window), NULL);
if (geometry == NULL)
return VK_ERROR_SURFACE_LOST_KHR;
chain->base.device = device;
chain->base.destroy = x11_swapchain_destroy;
chain->base.get_images = x11_get_images;
chain->base.acquire_next_image = x11_acquire_next_image;
chain->base.queue_present = x11_queue_present;
chain->base.image_fns = image_fns;
chain->base.present_mode = pCreateInfo->presentMode;
chain->conn = conn;
chain->window = window;
chain->depth = geometry->depth;
chain->extent = pCreateInfo->imageExtent;
chain->image_count = num_images;
chain->send_sbc = 0;
chain->last_present_msc = 0;
chain->threaded = false;
chain->status = VK_SUCCESS;
free(geometry);
chain->event_id = xcb_generate_id(chain->conn);
xcb_present_select_input(chain->conn, chain->event_id, chain->window,
XCB_PRESENT_EVENT_MASK_CONFIGURE_NOTIFY |
XCB_PRESENT_EVENT_MASK_COMPLETE_NOTIFY |
XCB_PRESENT_EVENT_MASK_IDLE_NOTIFY);
/* Create an XCB event queue to hold present events outside of the usual
* application event queue
*/
chain->special_event =
xcb_register_for_special_xge(chain->conn, &xcb_present_id,
chain->event_id, NULL);
chain->gc = xcb_generate_id(chain->conn);
if (!chain->gc) {
/* FINISHME: Choose a better error. */
result = VK_ERROR_OUT_OF_HOST_MEMORY;
goto fail_register;
}
cookie = xcb_create_gc(chain->conn,
chain->gc,
chain->window,
XCB_GC_GRAPHICS_EXPOSURES,
(uint32_t []) { 0 });
xcb_discard_reply(chain->conn, cookie.sequence);
uint32_t image = 0;
for (; image < chain->image_count; image++) {
result = x11_image_init(device, chain, pCreateInfo, pAllocator,
&chain->images[image]);
if (result != VK_SUCCESS)
goto fail_init_images;
}
if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) {
chain->threaded = true;
/* Initialize our queues. We make them image_count + 1 because we will
* occasionally use UINT32_MAX to signal the other thread that an error
* has occurred and we don't want an overflow.
*/
int ret;
ret = wsi_queue_init(&chain->acquire_queue, chain->image_count + 1);
if (ret) {
goto fail_init_images;
}
ret = wsi_queue_init(&chain->present_queue, chain->image_count + 1);
if (ret) {
wsi_queue_destroy(&chain->acquire_queue);
goto fail_init_images;
}
for (unsigned i = 0; i < chain->image_count; i++)
wsi_queue_push(&chain->acquire_queue, i);
ret = pthread_create(&chain->queue_manager, NULL,
x11_manage_fifo_queues, chain);
if (ret) {
wsi_queue_destroy(&chain->present_queue);
wsi_queue_destroy(&chain->acquire_queue);
goto fail_init_images;
}
}
*swapchain_out = &chain->base;
return VK_SUCCESS;
fail_init_images:
for (uint32_t j = 0; j < image; j++)
x11_image_finish(chain, pAllocator, &chain->images[j]);
fail_register:
xcb_unregister_for_special_event(chain->conn, chain->special_event);
vk_free(pAllocator, chain);
return result;
}
