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Diffstat (limited to 'src/intel/vulkan/anv_wsi_x11.c')
-rw-r--r--src/intel/vulkan/anv_wsi_x11.c844
1 files changed, 2 insertions, 842 deletions
diff --git a/src/intel/vulkan/anv_wsi_x11.c b/src/intel/vulkan/anv_wsi_x11.c
index 8bc54f23786..31369c05902 100644
--- a/src/intel/vulkan/anv_wsi_x11.c
+++ b/src/intel/vulkan/anv_wsi_x11.c
@@ -27,237 +27,12 @@
#include <xcb/dri3.h>
#include <xcb/present.h>
-#include "anv_wsi.h"
+#include "anv_private.h"
+#include "wsi_common_x11.h"
#include "vk_format_info.h"
#include "util/hash_table.h"
-struct wsi_x11_connection {
- bool has_dri3;
- bool has_present;
-};
-
-struct wsi_x11 {
- struct anv_wsi_interface base;
-
- pthread_mutex_t mutex;
- /* Hash table of xcb_connection -> wsi_x11_connection mappings */
- struct hash_table *connections;
-};
-
-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;
-}
-
-static void
-wsi_x11_connection_destroy(const VkAllocationCallbacks *alloc,
- struct wsi_x11_connection *conn)
-{
- vk_free(alloc, conn);
-}
-
-static struct wsi_x11_connection *
-wsi_x11_get_connection(struct anv_wsi_device *wsi_dev,
- const VkAllocationCallbacks *alloc,
- xcb_connection_t *conn)
-{
- struct wsi_x11 *wsi =
- (struct wsi_x11 *)wsi_dev->wsi[VK_ICD_WSI_PLATFORM_XCB];
-
- pthread_mutex_lock(&wsi->mutex);
-
- struct hash_entry *entry = _mesa_hash_table_search(wsi->connections, conn);
- if (!entry) {
- /* We're about to make a bunch of blocking calls. Let's drop the
- * mutex for now so we don't block up too badly.
- */
- pthread_mutex_unlock(&wsi->mutex);
-
- struct wsi_x11_connection *wsi_conn =
- wsi_x11_connection_create(alloc, conn);
-
- pthread_mutex_lock(&wsi->mutex);
-
- entry = _mesa_hash_table_search(wsi->connections, conn);
- if (entry) {
- /* Oops, someone raced us to it */
- wsi_x11_connection_destroy(alloc, wsi_conn);
- } else {
- entry = _mesa_hash_table_insert(wsi->connections, conn, wsi_conn);
- }
- }
-
- pthread_mutex_unlock(&wsi->mutex);
-
- return entry->data;
-}
-
-static const VkSurfaceFormatKHR formats[] = {
- { .format = VK_FORMAT_B8G8R8A8_SRGB, },
- { .format = VK_FORMAT_B8G8R8A8_UNORM, },
-};
-
-static const VkPresentModeKHR present_modes[] = {
- VK_PRESENT_MODE_MAILBOX_KHR,
-};
-
-static xcb_screen_t *
-get_screen_for_root(xcb_connection_t *conn, xcb_window_t root)
-{
- xcb_screen_iterator_t screen_iter =
- xcb_setup_roots_iterator(xcb_get_setup(conn));
-
- for (; screen_iter.rem; xcb_screen_next (&screen_iter)) {
- if (screen_iter.data->root == root)
- return screen_iter.data;
- }
-
- return NULL;
-}
-
-static xcb_visualtype_t *
-screen_get_visualtype(xcb_screen_t *screen, xcb_visualid_t visual_id,
- unsigned *depth)
-{
- xcb_depth_iterator_t depth_iter =
- xcb_screen_allowed_depths_iterator(screen);
-
- for (; depth_iter.rem; xcb_depth_next (&depth_iter)) {
- xcb_visualtype_iterator_t visual_iter =
- xcb_depth_visuals_iterator (depth_iter.data);
-
- for (; visual_iter.rem; xcb_visualtype_next (&visual_iter)) {
- if (visual_iter.data->visual_id == visual_id) {
- if (depth)
- *depth = depth_iter.data->depth;
- return visual_iter.data;
- }
- }
- }
-
- return NULL;
-}
-
-static xcb_visualtype_t *
-connection_get_visualtype(xcb_connection_t *conn, xcb_visualid_t visual_id,
- unsigned *depth)
-{
- xcb_screen_iterator_t screen_iter =
- xcb_setup_roots_iterator(xcb_get_setup(conn));
-
- /* For this we have to iterate over all of the screens which is rather
- * annoying. Fortunately, there is probably only 1.
- */
- for (; screen_iter.rem; xcb_screen_next (&screen_iter)) {
- xcb_visualtype_t *visual = screen_get_visualtype(screen_iter.data,
- visual_id, depth);
- if (visual)
- return visual;
- }
-
- return NULL;
-}
-
-static xcb_visualtype_t *
-get_visualtype_for_window(xcb_connection_t *conn, xcb_window_t window,
- unsigned *depth)
-{
- xcb_query_tree_cookie_t tree_cookie;
- xcb_get_window_attributes_cookie_t attrib_cookie;
- xcb_query_tree_reply_t *tree;
- xcb_get_window_attributes_reply_t *attrib;
-
- tree_cookie = xcb_query_tree(conn, window);
- attrib_cookie = xcb_get_window_attributes(conn, window);
-
- tree = xcb_query_tree_reply(conn, tree_cookie, NULL);
- attrib = xcb_get_window_attributes_reply(conn, attrib_cookie, NULL);
- if (attrib == NULL || tree == NULL) {
- free(attrib);
- free(tree);
- return NULL;
- }
-
- xcb_window_t root = tree->root;
- xcb_visualid_t visual_id = attrib->visual;
- free(attrib);
- free(tree);
-
- xcb_screen_t *screen = get_screen_for_root(conn, root);
- if (screen == NULL)
- return NULL;
-
- return screen_get_visualtype(screen, visual_id, depth);
-}
-
-static bool
-visual_has_alpha(xcb_visualtype_t *visual, unsigned depth)
-{
- uint32_t rgb_mask = visual->red_mask |
- visual->green_mask |
- visual->blue_mask;
-
- uint32_t all_mask = 0xffffffff >> (32 - depth);
-
- /* Do we have bits left over after RGB? */
- return (all_mask & ~rgb_mask) != 0;
-}
-
-static VkBool32 anv_get_physical_device_xcb_presentation_support(
- struct anv_wsi_device *wsi_device,
- VkAllocationCallbacks *alloc,
- uint32_t queueFamilyIndex,
- xcb_connection_t* connection,
- xcb_visualid_t visual_id)
-{
- struct wsi_x11_connection *wsi_conn =
- wsi_x11_get_connection(wsi_device, alloc, connection);
-
- if (!wsi_conn->has_dri3) {
- fprintf(stderr, "vulkan: No DRI3 support\n");
- return false;
- }
-
- unsigned visual_depth;
- if (!connection_get_visualtype(connection, visual_id, &visual_depth))
- return false;
-
- if (visual_depth != 24 && visual_depth != 32)
- return false;
-
- return true;
-}
-
VkBool32 anv_GetPhysicalDeviceXcbPresentationSupportKHR(
VkPhysicalDevice physicalDevice,
uint32_t queueFamilyIndex,
@@ -286,173 +61,6 @@ VkBool32 anv_GetPhysicalDeviceXlibPresentationSupportKHR(
queueFamilyIndex, XGetXCBConnection(dpy), visualID);
}
-static xcb_connection_t*
-x11_surface_get_connection(VkIcdSurfaceBase *icd_surface)
-{
- if (icd_surface->platform == VK_ICD_WSI_PLATFORM_XLIB)
- return XGetXCBConnection(((VkIcdSurfaceXlib *)icd_surface)->dpy);
- else
- return ((VkIcdSurfaceXcb *)icd_surface)->connection;
-}
-
-static xcb_window_t
-x11_surface_get_window(VkIcdSurfaceBase *icd_surface)
-{
- if (icd_surface->platform == VK_ICD_WSI_PLATFORM_XLIB)
- return ((VkIcdSurfaceXlib *)icd_surface)->window;
- else
- return ((VkIcdSurfaceXcb *)icd_surface)->window;
-}
-
-static VkResult
-x11_surface_get_support(VkIcdSurfaceBase *icd_surface,
- struct anv_wsi_device *wsi_device,
- const VkAllocationCallbacks *alloc,
- uint32_t queueFamilyIndex,
- VkBool32* pSupported)
-{
- xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
- xcb_window_t window = x11_surface_get_window(icd_surface);
-
- struct wsi_x11_connection *wsi_conn =
- wsi_x11_get_connection(wsi_device, alloc, conn);
- if (!wsi_conn)
- return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
-
- if (!wsi_conn->has_dri3) {
- fprintf(stderr, "vulkan: No DRI3 support\n");
- *pSupported = false;
- return VK_SUCCESS;
- }
-
- unsigned visual_depth;
- if (!get_visualtype_for_window(conn, window, &visual_depth)) {
- *pSupported = false;
- return VK_SUCCESS;
- }
-
- if (visual_depth != 24 && visual_depth != 32) {
- *pSupported = false;
- return VK_SUCCESS;
- }
-
- *pSupported = true;
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_surface_get_capabilities(VkIcdSurfaceBase *icd_surface,
- VkSurfaceCapabilitiesKHR *caps)
-{
- xcb_connection_t *conn = x11_surface_get_connection(icd_surface);
- xcb_window_t window = x11_surface_get_window(icd_surface);
- xcb_get_geometry_cookie_t geom_cookie;
- xcb_generic_error_t *err;
- xcb_get_geometry_reply_t *geom;
- unsigned visual_depth;
-
- geom_cookie = xcb_get_geometry(conn, window);
-
- /* This does a round-trip. This is why we do get_geometry first and
- * wait to read the reply until after we have a visual.
- */
- xcb_visualtype_t *visual =
- get_visualtype_for_window(conn, window, &visual_depth);
-
- geom = xcb_get_geometry_reply(conn, geom_cookie, &err);
- if (geom) {
- VkExtent2D extent = { geom->width, geom->height };
- caps->currentExtent = extent;
- caps->minImageExtent = extent;
- caps->maxImageExtent = extent;
- } else {
- /* This can happen if the client didn't wait for the configure event
- * to come back from the compositor. In that case, we don't know the
- * size of the window so we just return valid "I don't know" stuff.
- */
- caps->currentExtent = (VkExtent2D) { -1, -1 };
- caps->minImageExtent = (VkExtent2D) { 1, 1 };
- caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
- }
- free(err);
- free(geom);
-
- if (visual_has_alpha(visual, visual_depth)) {
- caps->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR |
- VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
- } else {
- caps->supportedCompositeAlpha = VK_COMPOSITE_ALPHA_INHERIT_BIT_KHR |
- VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR;
- }
-
- caps->minImageCount = 2;
- caps->maxImageCount = 4;
- caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
- caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
- caps->maxImageArrayLayers = 1;
- caps->supportedUsageFlags =
- VK_IMAGE_USAGE_TRANSFER_SRC_BIT |
- VK_IMAGE_USAGE_SAMPLED_BIT |
- VK_IMAGE_USAGE_TRANSFER_DST_BIT |
- VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
-
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_surface_get_formats(VkIcdSurfaceBase *surface,
- struct anv_wsi_device *wsi_device,
- uint32_t *pSurfaceFormatCount,
- VkSurfaceFormatKHR *pSurfaceFormats)
-{
- if (pSurfaceFormats == NULL) {
- *pSurfaceFormatCount = ARRAY_SIZE(formats);
- return VK_SUCCESS;
- }
-
- assert(*pSurfaceFormatCount >= ARRAY_SIZE(formats));
- typed_memcpy(pSurfaceFormats, formats, *pSurfaceFormatCount);
- *pSurfaceFormatCount = ARRAY_SIZE(formats);
-
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_surface_get_present_modes(VkIcdSurfaceBase *surface,
- uint32_t *pPresentModeCount,
- VkPresentModeKHR *pPresentModes)
-{
- if (pPresentModes == NULL) {
- *pPresentModeCount = ARRAY_SIZE(present_modes);
- return VK_SUCCESS;
- }
-
- assert(*pPresentModeCount >= ARRAY_SIZE(present_modes));
- typed_memcpy(pPresentModes, present_modes, *pPresentModeCount);
- *pPresentModeCount = ARRAY_SIZE(present_modes);
-
- return VK_SUCCESS;
-}
-
-static VkResult anv_create_xcb_surface(const VkAllocationCallbacks *pAllocator,
- const VkXcbSurfaceCreateInfoKHR *pCreateInfo,
- VkSurfaceKHR *pSurface)
-{
- VkIcdSurfaceXcb *surface;
-
- surface = vk_alloc(pAllocator, sizeof *surface, 8,
- VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
- if (surface == NULL)
- return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
-
- surface->base.platform = VK_ICD_WSI_PLATFORM_XCB;
- surface->connection = pCreateInfo->connection;
- surface->window = pCreateInfo->window;
-
- *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
- return VK_SUCCESS;
-}
-
VkResult anv_CreateXcbSurfaceKHR(
VkInstance _instance,
const VkXcbSurfaceCreateInfoKHR* pCreateInfo,
@@ -471,25 +79,6 @@ VkResult anv_CreateXcbSurfaceKHR(
return anv_create_xcb_surface(alloc, pCreateInfo, pSurface);
}
-static VkResult anv_create_xlib_surface(const VkAllocationCallbacks *pAllocator,
- const VkXlibSurfaceCreateInfoKHR *pCreateInfo,
- VkSurfaceKHR *pSurface)
-{
- VkIcdSurfaceXlib *surface;
-
- surface = vk_alloc(pAllocator, sizeof *surface, 8,
- VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
- if (surface == NULL)
- return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
-
- surface->base.platform = VK_ICD_WSI_PLATFORM_XLIB;
- surface->dpy = pCreateInfo->dpy;
- surface->window = pCreateInfo->window;
-
- *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
- return VK_SUCCESS;
-}
-
VkResult anv_CreateXlibSurfaceKHR(
VkInstance _instance,
const VkXlibSurfaceCreateInfoKHR* pCreateInfo,
@@ -508,432 +97,3 @@ VkResult anv_CreateXlibSurfaceKHR(
return anv_create_xlib_surface(alloc, pCreateInfo, pSurface);
}
-
-struct x11_image {
- VkImage image;
- VkDeviceMemory memory;
- xcb_pixmap_t pixmap;
- bool busy;
- struct xshmfence * shm_fence;
- uint32_t sync_fence;
-};
-
-struct x11_swapchain {
- struct anv_swapchain base;
-
- xcb_connection_t * conn;
- xcb_window_t window;
- xcb_gc_t gc;
- VkExtent2D extent;
- uint32_t image_count;
-
- xcb_present_event_t event_id;
- xcb_special_event_t * special_event;
- uint64_t send_sbc;
- uint32_t stamp;
-
- struct x11_image images[0];
-};
-
-static VkResult
-x11_get_images(struct anv_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(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;
- break;
- }
- }
-
- break;
- }
-
- case XCB_PRESENT_COMPLETE_NOTIFY:
- default:
- break;
- }
-
- return VK_SUCCESS;
-}
-
-static VkResult
-x11_acquire_next_image(struct anv_swapchain *anv_chain,
- uint64_t timeout,
- VkSemaphore semaphore,
- uint32_t *image_index)
-{
- struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
-
- 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);
- xcb_generic_event_t *event =
- xcb_wait_for_special_event(chain->conn, chain->special_event);
- if (!event)
- return vk_error(VK_ERROR_OUT_OF_DATE_KHR);
-
- VkResult result = x11_handle_dri3_present_event(chain, (void *)event);
- free(event);
- if (result != VK_SUCCESS)
- return result;
- }
-}
-
-static VkResult
-x11_queue_present(struct anv_swapchain *anv_chain,
- uint32_t image_index)
-{
- struct x11_swapchain *chain = (struct x11_swapchain *)anv_chain;
- struct x11_image *image = &chain->images[image_index];
-
- assert(image_index < chain->image_count);
-
- uint32_t options = XCB_PRESENT_OPTION_NONE;
-
- int64_t target_msc = 0;
- int64_t divisor = 0;
- int64_t remainder = 0;
-
- 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_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;
- uint32_t depth = 24;
- 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,
- 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 anv_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]);
-
- 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 anv_wsi_device *wsi_device,
- const VkSwapchainCreateInfoKHR *pCreateInfo,
- const VkAllocationCallbacks* pAllocator,
- const struct anv_wsi_image_fns *image_fns,
- struct anv_swapchain **swapchain_out)
-{
- struct x11_swapchain *chain;
- xcb_void_cookie_t cookie;
- VkResult result;
-
- assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
-
- int num_images = pCreateInfo->minImageCount;
-
- /* For true mailbox mode, we need at least 4 images:
- * 1) One to scan out from
- * 2) One to have queued for scan-out
- * 3) One to be currently held by the Wayland compositor
- * 4) One to render to
- */
- if (pCreateInfo->presentMode == VK_PRESENT_MODE_MAILBOX_KHR)
- num_images = MAX2(num_images, 4);
-
- 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(VK_ERROR_OUT_OF_HOST_MEMORY);
-
- 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->conn = x11_surface_get_connection(icd_surface);
- chain->window = x11_surface_get_window(icd_surface);
- chain->extent = pCreateInfo->imageExtent;
- chain->image_count = num_images;
- chain->send_sbc = 0;
-
- 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(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;
- }
-
- *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
-anv_x11_init_wsi(struct anv_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(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(VK_ERROR_OUT_OF_HOST_MEMORY);
- } else {
- /* FINISHME: Choose a better error. */
- result = vk_error(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(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
-anv_x11_finish_wsi(struct anv_wsi_device *wsi_device,
- const VkAllocationCallbacks *alloc)
-{
- struct wsi_x11 *wsi =
- (struct wsi_x11 *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_XCB];
-
- if (wsi) {
- _mesa_hash_table_destroy(wsi->connections, NULL);
-
- pthread_mutex_destroy(&wsi->mutex);
-
- vk_free(alloc, wsi);
- }
-}