mirror of https://gitlab.freedesktop.org/mesa/mesa
1113 lines
34 KiB
C
1113 lines
34 KiB
C
/*
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* Copyright © 2015 Intel Corporation
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
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* IN THE SOFTWARE.
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*/
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#include <X11/Xlib-xcb.h>
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#include <X11/xshmfence.h>
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#include <xcb/xcb.h>
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#include <xcb/dri3.h>
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#include <xcb/present.h>
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#include "util/macros.h"
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#include <stdlib.h>
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#include <stdio.h>
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#include <unistd.h>
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#include <errno.h>
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#include <string.h>
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#include <poll.h>
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#include "util/hash_table.h"
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#include "wsi_common.h"
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#include "wsi_common_x11.h"
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#include "wsi_common_queue.h"
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#define typed_memcpy(dest, src, count) ({ \
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static_assert(sizeof(*src) == sizeof(*dest), ""); \
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memcpy((dest), (src), (count) * sizeof(*(src))); \
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})
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struct wsi_x11_connection {
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bool has_dri3;
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bool has_present;
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};
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struct wsi_x11 {
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struct wsi_interface base;
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pthread_mutex_t mutex;
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/* Hash table of xcb_connection -> wsi_x11_connection mappings */
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struct hash_table *connections;
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};
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static struct wsi_x11_connection *
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wsi_x11_connection_create(const VkAllocationCallbacks *alloc,
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xcb_connection_t *conn)
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{
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xcb_query_extension_cookie_t dri3_cookie, pres_cookie;
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xcb_query_extension_reply_t *dri3_reply, *pres_reply;
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struct wsi_x11_connection *wsi_conn =
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vk_alloc(alloc, sizeof(*wsi_conn), 8,
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VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
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if (!wsi_conn)
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return NULL;
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dri3_cookie = xcb_query_extension(conn, 4, "DRI3");
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pres_cookie = xcb_query_extension(conn, 7, "PRESENT");
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dri3_reply = xcb_query_extension_reply(conn, dri3_cookie, NULL);
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pres_reply = xcb_query_extension_reply(conn, pres_cookie, NULL);
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if (dri3_reply == NULL || pres_reply == NULL) {
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free(dri3_reply);
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free(pres_reply);
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vk_free(alloc, wsi_conn);
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return NULL;
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}
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wsi_conn->has_dri3 = dri3_reply->present != 0;
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wsi_conn->has_present = pres_reply->present != 0;
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free(dri3_reply);
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free(pres_reply);
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return wsi_conn;
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}
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static void
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wsi_x11_connection_destroy(const VkAllocationCallbacks *alloc,
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struct wsi_x11_connection *conn)
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{
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vk_free(alloc, conn);
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}
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static struct wsi_x11_connection *
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wsi_x11_get_connection(struct wsi_device *wsi_dev,
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const VkAllocationCallbacks *alloc,
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xcb_connection_t *conn)
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{
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struct wsi_x11 *wsi =
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(struct wsi_x11 *)wsi_dev->wsi[VK_ICD_WSI_PLATFORM_XCB];
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pthread_mutex_lock(&wsi->mutex);
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struct hash_entry *entry = _mesa_hash_table_search(wsi->connections, conn);
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if (!entry) {
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/* We're about to make a bunch of blocking calls. Let's drop the
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* mutex for now so we don't block up too badly.
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*/
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pthread_mutex_unlock(&wsi->mutex);
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struct wsi_x11_connection *wsi_conn =
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wsi_x11_connection_create(alloc, conn);
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if (!wsi_conn)
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return NULL;
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pthread_mutex_lock(&wsi->mutex);
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entry = _mesa_hash_table_search(wsi->connections, conn);
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if (entry) {
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/* Oops, someone raced us to it */
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wsi_x11_connection_destroy(alloc, wsi_conn);
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} else {
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entry = _mesa_hash_table_insert(wsi->connections, conn, wsi_conn);
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}
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}
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pthread_mutex_unlock(&wsi->mutex);
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return entry->data;
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}
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static const VkSurfaceFormatKHR formats[] = {
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{ .format = VK_FORMAT_B8G8R8A8_SRGB, },
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{ .format = VK_FORMAT_B8G8R8A8_UNORM, },
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};
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static const VkPresentModeKHR present_modes[] = {
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VK_PRESENT_MODE_IMMEDIATE_KHR,
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VK_PRESENT_MODE_MAILBOX_KHR,
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VK_PRESENT_MODE_FIFO_KHR,
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};
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static xcb_screen_t *
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get_screen_for_root(xcb_connection_t *conn, xcb_window_t root)
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{
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xcb_screen_iterator_t screen_iter =
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xcb_setup_roots_iterator(xcb_get_setup(conn));
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for (; screen_iter.rem; xcb_screen_next (&screen_iter)) {
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if (screen_iter.data->root == root)
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return screen_iter.data;
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}
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return NULL;
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}
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static xcb_visualtype_t *
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screen_get_visualtype(xcb_screen_t *screen, xcb_visualid_t visual_id,
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unsigned *depth)
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{
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xcb_depth_iterator_t depth_iter =
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xcb_screen_allowed_depths_iterator(screen);
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for (; depth_iter.rem; xcb_depth_next (&depth_iter)) {
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xcb_visualtype_iterator_t visual_iter =
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xcb_depth_visuals_iterator (depth_iter.data);
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for (; visual_iter.rem; xcb_visualtype_next (&visual_iter)) {
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if (visual_iter.data->visual_id == visual_id) {
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if (depth)
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*depth = depth_iter.data->depth;
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return visual_iter.data;
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}
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}
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}
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return NULL;
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}
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static xcb_visualtype_t *
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connection_get_visualtype(xcb_connection_t *conn, xcb_visualid_t visual_id,
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unsigned *depth)
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{
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xcb_screen_iterator_t screen_iter =
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xcb_setup_roots_iterator(xcb_get_setup(conn));
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/* For this we have to iterate over all of the screens which is rather
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* annoying. Fortunately, there is probably only 1.
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*/
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for (; screen_iter.rem; xcb_screen_next (&screen_iter)) {
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xcb_visualtype_t *visual = screen_get_visualtype(screen_iter.data,
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visual_id, depth);
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if (visual)
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return visual;
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}
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return NULL;
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}
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static xcb_visualtype_t *
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get_visualtype_for_window(xcb_connection_t *conn, xcb_window_t window,
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unsigned *depth)
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{
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xcb_query_tree_cookie_t tree_cookie;
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xcb_get_window_attributes_cookie_t attrib_cookie;
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xcb_query_tree_reply_t *tree;
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xcb_get_window_attributes_reply_t *attrib;
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tree_cookie = xcb_query_tree(conn, window);
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attrib_cookie = xcb_get_window_attributes(conn, window);
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tree = xcb_query_tree_reply(conn, tree_cookie, NULL);
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attrib = xcb_get_window_attributes_reply(conn, attrib_cookie, NULL);
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if (attrib == NULL || tree == NULL) {
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free(attrib);
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free(tree);
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return NULL;
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}
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xcb_window_t root = tree->root;
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xcb_visualid_t visual_id = attrib->visual;
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free(attrib);
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free(tree);
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xcb_screen_t *screen = get_screen_for_root(conn, root);
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if (screen == NULL)
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return NULL;
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return screen_get_visualtype(screen, visual_id, depth);
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}
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static bool
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visual_has_alpha(xcb_visualtype_t *visual, unsigned depth)
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{
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uint32_t rgb_mask = visual->red_mask |
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visual->green_mask |
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visual->blue_mask;
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uint32_t all_mask = 0xffffffff >> (32 - depth);
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/* Do we have bits left over after RGB? */
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return (all_mask & ~rgb_mask) != 0;
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}
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VkBool32 wsi_get_physical_device_xcb_presentation_support(
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struct wsi_device *wsi_device,
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VkAllocationCallbacks *alloc,
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uint32_t queueFamilyIndex,
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xcb_connection_t* connection,
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xcb_visualid_t visual_id)
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{
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struct wsi_x11_connection *wsi_conn =
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wsi_x11_get_connection(wsi_device, alloc, connection);
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if (!wsi_conn->has_dri3) {
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fprintf(stderr, "vulkan: No DRI3 support\n");
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return false;
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}
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unsigned visual_depth;
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if (!connection_get_visualtype(connection, visual_id, &visual_depth))
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return false;
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if (visual_depth != 24 && visual_depth != 32)
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return false;
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return true;
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}
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static xcb_connection_t*
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x11_surface_get_connection(VkIcdSurfaceBase *icd_surface)
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{
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if (icd_surface->platform == VK_ICD_WSI_PLATFORM_XLIB)
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return XGetXCBConnection(((VkIcdSurfaceXlib *)icd_surface)->dpy);
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else
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return ((VkIcdSurfaceXcb *)icd_surface)->connection;
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}
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static xcb_window_t
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x11_surface_get_window(VkIcdSurfaceBase *icd_surface)
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{
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if (icd_surface->platform == VK_ICD_WSI_PLATFORM_XLIB)
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return ((VkIcdSurfaceXlib *)icd_surface)->window;
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else
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return ((VkIcdSurfaceXcb *)icd_surface)->window;
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}
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static VkResult
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x11_surface_get_support(VkIcdSurfaceBase *icd_surface,
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struct wsi_device *wsi_device,
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const VkAllocationCallbacks *alloc,
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uint32_t queueFamilyIndex,
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VkBool32* pSupported)
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{
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xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
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xcb_window_t window = x11_surface_get_window(icd_surface);
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struct wsi_x11_connection *wsi_conn =
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wsi_x11_get_connection(wsi_device, alloc, conn);
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if (!wsi_conn)
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return VK_ERROR_OUT_OF_HOST_MEMORY;
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if (!wsi_conn->has_dri3) {
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fprintf(stderr, "vulkan: No DRI3 support\n");
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*pSupported = false;
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return VK_SUCCESS;
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}
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unsigned visual_depth;
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if (!get_visualtype_for_window(conn, window, &visual_depth)) {
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*pSupported = false;
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return VK_SUCCESS;
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}
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if (visual_depth != 24 && visual_depth != 32) {
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*pSupported = false;
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return VK_SUCCESS;
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}
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*pSupported = true;
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return VK_SUCCESS;
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}
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static VkResult
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x11_surface_get_capabilities(VkIcdSurfaceBase *icd_surface,
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VkSurfaceCapabilitiesKHR *caps)
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{
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xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
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xcb_window_t window = x11_surface_get_window(icd_surface);
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xcb_get_geometry_cookie_t geom_cookie;
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xcb_generic_error_t *err;
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xcb_get_geometry_reply_t *geom;
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unsigned visual_depth;
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geom_cookie = xcb_get_geometry(conn, window);
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/* This does a round-trip. This is why we do get_geometry first and
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* wait to read the reply until after we have a visual.
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*/
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xcb_visualtype_t *visual =
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get_visualtype_for_window(conn, window, &visual_depth);
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geom = xcb_get_geometry_reply(conn, geom_cookie, &err);
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if (geom) {
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VkExtent2D extent = { geom->width, geom->height };
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caps->currentExtent = extent;
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caps->minImageExtent = extent;
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caps->maxImageExtent = extent;
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} else {
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/* This can happen if the client didn't wait for the configure event
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* to come back from the compositor. In that case, we don't know the
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* size of the window so we just return valid "I don't know" stuff.
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*/
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caps->currentExtent = (VkExtent2D) { -1, -1 };
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caps->minImageExtent = (VkExtent2D) { 1, 1 };
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caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
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}
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free(err);
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free(geom);
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if (visual_has_alpha(visual, visual_depth)) {
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caps->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR |
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VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
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} else {
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caps->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR |
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VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
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}
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/* For true mailbox mode, we need at least 4 images:
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* 1) One to scan out from
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* 2) One to have queued for scan-out
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* 3) One to be currently held by the X server
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* 4) One to render to
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*/
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caps->minImageCount = 2;
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/* There is no real maximum */
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caps->maxImageCount = 0;
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caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
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caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
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caps->maxImageArrayLayers = 1;
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caps->supportedUsageFlags =
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VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
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VK_IMAGE_USAGE_SAMPLED_BIT |
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VK_IMAGE_USAGE_TRANSFER_DST_BIT |
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VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
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return VK_SUCCESS;
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}
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static VkResult
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x11_surface_get_formats(VkIcdSurfaceBase *surface,
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struct wsi_device *wsi_device,
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uint32_t *pSurfaceFormatCount,
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VkSurfaceFormatKHR *pSurfaceFormats)
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{
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if (pSurfaceFormats == NULL) {
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*pSurfaceFormatCount = ARRAY_SIZE(formats);
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return VK_SUCCESS;
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}
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*pSurfaceFormatCount = MIN2(*pSurfaceFormatCount, ARRAY_SIZE(formats));
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typed_memcpy(pSurfaceFormats, formats, *pSurfaceFormatCount);
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return *pSurfaceFormatCount < ARRAY_SIZE(formats) ?
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VK_INCOMPLETE : VK_SUCCESS;
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}
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static VkResult
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x11_surface_get_present_modes(VkIcdSurfaceBase *surface,
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uint32_t *pPresentModeCount,
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VkPresentModeKHR *pPresentModes)
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{
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if (pPresentModes == NULL) {
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*pPresentModeCount = ARRAY_SIZE(present_modes);
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return VK_SUCCESS;
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}
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*pPresentModeCount = MIN2(*pPresentModeCount, ARRAY_SIZE(present_modes));
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typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
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return *pPresentModeCount < ARRAY_SIZE(present_modes) ?
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VK_INCOMPLETE : VK_SUCCESS;
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}
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VkResult wsi_create_xcb_surface(const VkAllocationCallbacks *pAllocator,
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const VkXcbSurfaceCreateInfoKHR *pCreateInfo,
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VkSurfaceKHR *pSurface)
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{
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VkIcdSurfaceXcb *surface;
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surface = vk_alloc(pAllocator, sizeof *surface, 8,
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VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
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if (surface == NULL)
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return VK_ERROR_OUT_OF_HOST_MEMORY;
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surface->base.platform = VK_ICD_WSI_PLATFORM_XCB;
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surface->connection = pCreateInfo->connection;
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surface->window = pCreateInfo->window;
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*pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
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return VK_SUCCESS;
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}
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VkResult wsi_create_xlib_surface(const VkAllocationCallbacks *pAllocator,
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const VkXlibSurfaceCreateInfoKHR *pCreateInfo,
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VkSurfaceKHR *pSurface)
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{
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VkIcdSurfaceXlib *surface;
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surface = vk_alloc(pAllocator, sizeof *surface, 8,
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VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
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if (surface == NULL)
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return VK_ERROR_OUT_OF_HOST_MEMORY;
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surface->base.platform = VK_ICD_WSI_PLATFORM_XLIB;
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surface->dpy = pCreateInfo->dpy;
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surface->window = pCreateInfo->window;
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*pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
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return VK_SUCCESS;
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}
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struct x11_image {
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VkImage image;
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VkDeviceMemory memory;
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xcb_pixmap_t pixmap;
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bool busy;
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struct xshmfence * shm_fence;
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uint32_t sync_fence;
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};
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struct x11_swapchain {
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struct wsi_swapchain base;
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xcb_connection_t * conn;
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xcb_window_t window;
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xcb_gc_t gc;
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uint32_t depth;
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VkExtent2D extent;
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uint32_t image_count;
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xcb_present_event_t event_id;
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xcb_special_event_t * special_event;
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uint64_t send_sbc;
|
|
uint64_t last_present_msc;
|
|
uint32_t stamp;
|
|
|
|
bool threaded;
|
|
VkResult status;
|
|
struct wsi_queue present_queue;
|
|
struct wsi_queue acquire_queue;
|
|
pthread_t queue_manager;
|
|
|
|
struct x11_image images[0];
|
|
};
|
|
|
|
static VkResult
|
|
x11_get_images(struct wsi_swapchain *anv_chain,
|
|
uint32_t* pCount, VkImage *pSwapchainImages)
|
|
{
|
|
struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
|
|
|
|
if (pSwapchainImages == NULL) {
|
|
*pCount = chain->image_count;
|
|
return VK_SUCCESS;
|
|
}
|
|
|
|
assert(chain->image_count <= *pCount);
|
|
for (uint32_t i = 0; i < chain->image_count; i++)
|
|
pSwapchainImages[i] = chain->images[i].image;
|
|
|
|
*pCount = chain->image_count;
|
|
|
|
return VK_SUCCESS;
|
|
}
|
|
|
|
static VkResult
|
|
x11_handle_dri3_present_event(struct x11_swapchain *chain,
|
|
xcb_present_generic_event_t *event)
|
|
{
|
|
switch (event->evtype) {
|
|
case XCB_PRESENT_CONFIGURE_NOTIFY: {
|
|
xcb_present_configure_notify_event_t *config = (void *) event;
|
|
|
|
if (config->width != chain->extent.width ||
|
|
config->height != chain->extent.height)
|
|
return VK_ERROR_OUT_OF_DATE_KHR;
|
|
|
|
break;
|
|
}
|
|
|
|
case XCB_PRESENT_EVENT_IDLE_NOTIFY: {
|
|
xcb_present_idle_notify_event_t *idle = (void *) event;
|
|
|
|
for (unsigned i = 0; i < chain->image_count; i++) {
|
|
if (chain->images[i].pixmap == idle->pixmap) {
|
|
chain->images[i].busy = false;
|
|
if (chain->threaded)
|
|
wsi_queue_push(&chain->acquire_queue, i);
|
|
break;
|
|
}
|
|
}
|
|
|
|
break;
|
|
}
|
|
|
|
case XCB_PRESENT_EVENT_COMPLETE_NOTIFY: {
|
|
xcb_present_complete_notify_event_t *complete = (void *) event;
|
|
if (complete->kind == XCB_PRESENT_COMPLETE_KIND_PIXMAP)
|
|
chain->last_present_msc = complete->msc;
|
|
break;
|
|
}
|
|
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return VK_SUCCESS;
|
|
}
|
|
|
|
|
|
static uint64_t wsi_get_current_time(void)
|
|
{
|
|
uint64_t current_time;
|
|
struct timespec tv;
|
|
|
|
clock_gettime(CLOCK_MONOTONIC, &tv);
|
|
current_time = tv.tv_nsec + tv.tv_sec*1000000000ull;
|
|
return current_time;
|
|
}
|
|
|
|
static uint64_t wsi_get_absolute_timeout(uint64_t timeout)
|
|
{
|
|
uint64_t current_time = wsi_get_current_time();
|
|
|
|
timeout = MIN2(UINT64_MAX - current_time, timeout);
|
|
|
|
return current_time + timeout;
|
|
}
|
|
|
|
static VkResult
|
|
x11_acquire_next_image_poll_x11(struct x11_swapchain *chain,
|
|
uint32_t *image_index, uint64_t timeout)
|
|
{
|
|
xcb_generic_event_t *event;
|
|
struct pollfd pfds;
|
|
uint64_t atimeout;
|
|
while (1) {
|
|
for (uint32_t i = 0; i < chain->image_count; i++) {
|
|
if (!chain->images[i].busy) {
|
|
/* We found a non-busy image */
|
|
xshmfence_await(chain->images[i].shm_fence);
|
|
*image_index = i;
|
|
chain->images[i].busy = true;
|
|
return VK_SUCCESS;
|
|
}
|
|
}
|
|
|
|
xcb_flush(chain->conn);
|
|
|
|
if (timeout == UINT64_MAX) {
|
|
event = xcb_wait_for_special_event(chain->conn, chain->special_event);
|
|
if (!event)
|
|
return VK_ERROR_OUT_OF_DATE_KHR;
|
|
} else {
|
|
event = xcb_poll_for_special_event(chain->conn, chain->special_event);
|
|
if (!event) {
|
|
int ret;
|
|
if (timeout == 0)
|
|
return VK_NOT_READY;
|
|
|
|
atimeout = wsi_get_absolute_timeout(timeout);
|
|
|
|
pfds.fd = xcb_get_file_descriptor(chain->conn);
|
|
pfds.events = POLLIN;
|
|
ret = poll(&pfds, 1, timeout / 1000 / 1000);
|
|
if (ret == 0)
|
|
return VK_TIMEOUT;
|
|
if (ret == -1)
|
|
return VK_ERROR_OUT_OF_DATE_KHR;
|
|
|
|
/* If a non-special event happens, the fd will still
|
|
* poll. So recalculate the timeout now just in case.
|
|
*/
|
|
uint64_t current_time = wsi_get_current_time();
|
|
if (atimeout > current_time)
|
|
timeout = atimeout - current_time;
|
|
else
|
|
timeout = 0;
|
|
continue;
|
|
}
|
|
}
|
|
|
|
VkResult result = x11_handle_dri3_present_event(chain, (void *)event);
|
|
free(event);
|
|
if (result != VK_SUCCESS)
|
|
return result;
|
|
}
|
|
}
|
|
|
|
static VkResult
|
|
x11_acquire_next_image_from_queue(struct x11_swapchain *chain,
|
|
uint32_t *image_index_out, uint64_t timeout)
|
|
{
|
|
assert(chain->threaded);
|
|
|
|
uint32_t image_index;
|
|
VkResult result = wsi_queue_pull(&chain->acquire_queue,
|
|
&image_index, timeout);
|
|
if (result != VK_SUCCESS) {
|
|
return result;
|
|
} else if (chain->status != VK_SUCCESS) {
|
|
return chain->status;
|
|
}
|
|
|
|
assert(image_index < chain->image_count);
|
|
xshmfence_await(chain->images[image_index].shm_fence);
|
|
|
|
*image_index_out = image_index;
|
|
|
|
return VK_SUCCESS;
|
|
}
|
|
|
|
static VkResult
|
|
x11_present_to_x11(struct x11_swapchain *chain, uint32_t image_index,
|
|
uint32_t target_msc)
|
|
{
|
|
struct x11_image *image = &chain->images[image_index];
|
|
|
|
assert(image_index < chain->image_count);
|
|
|
|
uint32_t options = XCB_PRESENT_OPTION_NONE;
|
|
|
|
int64_t divisor = 0;
|
|
int64_t remainder = 0;
|
|
|
|
if (chain->base.present_mode == VK_PRESENT_MODE_IMMEDIATE_KHR)
|
|
options |= XCB_PRESENT_OPTION_ASYNC;
|
|
|
|
xshmfence_reset(image->shm_fence);
|
|
|
|
++chain->send_sbc;
|
|
xcb_void_cookie_t cookie =
|
|
xcb_present_pixmap(chain->conn,
|
|
chain->window,
|
|
image->pixmap,
|
|
(uint32_t) chain->send_sbc,
|
|
0, /* valid */
|
|
0, /* update */
|
|
0, /* x_off */
|
|
0, /* y_off */
|
|
XCB_NONE, /* target_crtc */
|
|
XCB_NONE,
|
|
image->sync_fence,
|
|
options,
|
|
target_msc,
|
|
divisor,
|
|
remainder, 0, NULL);
|
|
xcb_discard_reply(chain->conn, cookie.sequence);
|
|
image->busy = true;
|
|
|
|
xcb_flush(chain->conn);
|
|
|
|
return VK_SUCCESS;
|
|
}
|
|
|
|
static VkResult
|
|
x11_acquire_next_image(struct wsi_swapchain *anv_chain,
|
|
uint64_t timeout,
|
|
VkSemaphore semaphore,
|
|
uint32_t *image_index)
|
|
{
|
|
struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
|
|
|
|
if (chain->threaded) {
|
|
return x11_acquire_next_image_from_queue(chain, image_index, timeout);
|
|
} else {
|
|
return x11_acquire_next_image_poll_x11(chain, image_index, timeout);
|
|
}
|
|
}
|
|
|
|
static VkResult
|
|
x11_queue_present(struct wsi_swapchain *anv_chain,
|
|
uint32_t image_index)
|
|
{
|
|
struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
|
|
|
|
if (chain->threaded) {
|
|
wsi_queue_push(&chain->present_queue, image_index);
|
|
return chain->status;
|
|
} else {
|
|
return x11_present_to_x11(chain, image_index, 0);
|
|
}
|
|
}
|
|
|
|
static void *
|
|
x11_manage_fifo_queues(void *state)
|
|
{
|
|
struct x11_swapchain *chain = state;
|
|
VkResult result;
|
|
|
|
assert(chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR);
|
|
|
|
while (chain->status == VK_SUCCESS) {
|
|
/* It should be safe to unconditionally block here. Later in the loop
|
|
* we blocks until the previous present has landed on-screen. At that
|
|
* point, we should have received IDLE_NOTIFY on all images presented
|
|
* before that point so the client should be able to acquire any image
|
|
* other than the currently presented one.
|
|
*/
|
|
uint32_t image_index;
|
|
result = wsi_queue_pull(&chain->present_queue, &image_index, INT64_MAX);
|
|
if (result != VK_SUCCESS) {
|
|
goto fail;
|
|
} else if (chain->status != VK_SUCCESS) {
|
|
return NULL;
|
|
}
|
|
|
|
uint64_t target_msc = chain->last_present_msc + 1;
|
|
result = x11_present_to_x11(chain, image_index, target_msc);
|
|
if (result != VK_SUCCESS)
|
|
goto fail;
|
|
|
|
while (chain->last_present_msc < target_msc) {
|
|
xcb_generic_event_t *event =
|
|
xcb_wait_for_special_event(chain->conn, chain->special_event);
|
|
if (!event)
|
|
goto fail;
|
|
|
|
result = x11_handle_dri3_present_event(chain, (void *)event);
|
|
if (result != VK_SUCCESS)
|
|
goto fail;
|
|
}
|
|
}
|
|
|
|
fail:
|
|
chain->status = result;
|
|
wsi_queue_push(&chain->acquire_queue, UINT32_MAX);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
static VkResult
|
|
x11_image_init(VkDevice device_h, struct x11_swapchain *chain,
|
|
const VkSwapchainCreateInfoKHR *pCreateInfo,
|
|
const VkAllocationCallbacks* pAllocator,
|
|
struct x11_image *image)
|
|
{
|
|
xcb_void_cookie_t cookie;
|
|
VkResult result;
|
|
uint32_t row_pitch;
|
|
uint32_t offset;
|
|
uint32_t bpp = 32;
|
|
int fd;
|
|
uint32_t size;
|
|
|
|
result = chain->base.image_fns->create_wsi_image(device_h,
|
|
pCreateInfo,
|
|
pAllocator,
|
|
&image->image,
|
|
&image->memory,
|
|
&size,
|
|
&offset,
|
|
&row_pitch,
|
|
&fd);
|
|
if (result != VK_SUCCESS)
|
|
return result;
|
|
|
|
image->pixmap = xcb_generate_id(chain->conn);
|
|
|
|
cookie =
|
|
xcb_dri3_pixmap_from_buffer_checked(chain->conn,
|
|
image->pixmap,
|
|
chain->window,
|
|
size,
|
|
pCreateInfo->imageExtent.width,
|
|
pCreateInfo->imageExtent.height,
|
|
row_pitch,
|
|
chain->depth, bpp, fd);
|
|
xcb_discard_reply(chain->conn, cookie.sequence);
|
|
|
|
int fence_fd = xshmfence_alloc_shm();
|
|
if (fence_fd < 0)
|
|
goto fail_pixmap;
|
|
|
|
image->shm_fence = xshmfence_map_shm(fence_fd);
|
|
if (image->shm_fence == NULL)
|
|
goto fail_shmfence_alloc;
|
|
|
|
image->sync_fence = xcb_generate_id(chain->conn);
|
|
xcb_dri3_fence_from_fd(chain->conn,
|
|
image->pixmap,
|
|
image->sync_fence,
|
|
false,
|
|
fence_fd);
|
|
|
|
image->busy = false;
|
|
xshmfence_trigger(image->shm_fence);
|
|
|
|
return VK_SUCCESS;
|
|
|
|
fail_shmfence_alloc:
|
|
close(fence_fd);
|
|
|
|
fail_pixmap:
|
|
cookie = xcb_free_pixmap(chain->conn, image->pixmap);
|
|
xcb_discard_reply(chain->conn, cookie.sequence);
|
|
|
|
chain->base.image_fns->free_wsi_image(device_h, pAllocator,
|
|
image->image, image->memory);
|
|
|
|
return result;
|
|
}
|
|
|
|
static void
|
|
x11_image_finish(struct x11_swapchain *chain,
|
|
const VkAllocationCallbacks* pAllocator,
|
|
struct x11_image *image)
|
|
{
|
|
xcb_void_cookie_t cookie;
|
|
|
|
cookie = xcb_sync_destroy_fence(chain->conn, image->sync_fence);
|
|
xcb_discard_reply(chain->conn, cookie.sequence);
|
|
xshmfence_unmap_shm(image->shm_fence);
|
|
|
|
cookie = xcb_free_pixmap(chain->conn, image->pixmap);
|
|
xcb_discard_reply(chain->conn, cookie.sequence);
|
|
|
|
chain->base.image_fns->free_wsi_image(chain->base.device, pAllocator,
|
|
image->image, image->memory);
|
|
}
|
|
|
|
static VkResult
|
|
x11_swapchain_destroy(struct wsi_swapchain *anv_chain,
|
|
const VkAllocationCallbacks *pAllocator)
|
|
{
|
|
struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
|
|
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);
|
|
|
|
vk_free(pAllocator, chain);
|
|
|
|
return VK_SUCCESS;
|
|
}
|
|
|
|
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;
|
|
}
|
|
|
|
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);
|
|
}
|
|
}
|