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Diffstat (limited to 'src/intel/vulkan/wsi_common_wayland.c')
-rw-r--r--src/intel/vulkan/wsi_common_wayland.c827
1 files changed, 827 insertions, 0 deletions
diff --git a/src/intel/vulkan/wsi_common_wayland.c b/src/intel/vulkan/wsi_common_wayland.c
new file mode 100644
index 00000000000..636836778bc
--- /dev/null
+++ b/src/intel/vulkan/wsi_common_wayland.c
@@ -0,0 +1,827 @@
+/*
+ * Copyright © 2015 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ */
+
+#include <wayland-client.h>
+#include <wayland-drm-client-protocol.h>
+
+#include <stdlib.h>
+#include <stdio.h>
+#include <unistd.h>
+#include <errno.h>
+#include <string.h>
+
+#include "wsi_common_wayland.h"
+#include "vk_format_info.h"
+#include <util/hash_table.h>
+#include <util/u_vector.h>
+
+#define typed_memcpy(dest, src, count) ({ \
+ static_assert(sizeof(*src) == sizeof(*dest), ""); \
+ memcpy((dest), (src), (count) * sizeof(*(src))); \
+})
+
+#define MIN_NUM_IMAGES 2
+
+struct wsi_wayland;
+
+struct wsi_wl_display {
+ struct wl_display * display;
+ struct wl_drm * drm;
+
+ struct wsi_wayland *wsi_wl;
+ /* Vector of VkFormats supported */
+ struct u_vector formats;
+
+ uint32_t capabilities;
+};
+
+struct wsi_wayland {
+ struct anv_wsi_interface base;
+
+ const VkAllocationCallbacks *alloc;
+ VkPhysicalDevice physical_device;
+
+ pthread_mutex_t mutex;
+ /* Hash table of wl_display -> wsi_wl_display mappings */
+ struct hash_table * displays;
+
+ const struct anv_wsi_callbacks *cbs;
+};
+
+static void
+wsi_wl_display_add_vk_format(struct wsi_wl_display *display, VkFormat format)
+{
+ /* Don't add a format that's already in the list */
+ VkFormat *f;
+ u_vector_foreach(f, &display->formats)
+ if (*f == format)
+ return;
+
+ /* Don't add formats that aren't renderable. */
+ VkFormatProperties props;
+
+ display->wsi_wl->cbs->get_phys_device_format_properties(display->wsi_wl->physical_device,
+ format, &props);
+ if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT))
+ return;
+
+ f = u_vector_add(&display->formats);
+ if (f)
+ *f = format;
+}
+
+static void
+drm_handle_device(void *data, struct wl_drm *drm, const char *name)
+{
+ fprintf(stderr, "wl_drm.device(%s)\n", name);
+}
+
+static uint32_t
+wl_drm_format_for_vk_format(VkFormat vk_format, bool alpha)
+{
+ switch (vk_format) {
+ /* TODO: Figure out what all the formats mean and make this table
+ * correct.
+ */
+#if 0
+ case VK_FORMAT_R4G4B4A4_UNORM:
+ return alpha ? WL_DRM_FORMAT_ABGR4444 : WL_DRM_FORMAT_XBGR4444;
+ case VK_FORMAT_R5G6B5_UNORM:
+ return WL_DRM_FORMAT_BGR565;
+ case VK_FORMAT_R5G5B5A1_UNORM:
+ return alpha ? WL_DRM_FORMAT_ABGR1555 : WL_DRM_FORMAT_XBGR1555;
+ case VK_FORMAT_R8G8B8_UNORM:
+ return WL_DRM_FORMAT_XBGR8888;
+ case VK_FORMAT_R8G8B8A8_UNORM:
+ return alpha ? WL_DRM_FORMAT_ABGR8888 : WL_DRM_FORMAT_XBGR8888;
+ case VK_FORMAT_R10G10B10A2_UNORM:
+ return alpha ? WL_DRM_FORMAT_ABGR2101010 : WL_DRM_FORMAT_XBGR2101010;
+ case VK_FORMAT_B4G4R4A4_UNORM:
+ return alpha ? WL_DRM_FORMAT_ARGB4444 : WL_DRM_FORMAT_XRGB4444;
+ case VK_FORMAT_B5G6R5_UNORM:
+ return WL_DRM_FORMAT_RGB565;
+ case VK_FORMAT_B5G5R5A1_UNORM:
+ return alpha ? WL_DRM_FORMAT_XRGB1555 : WL_DRM_FORMAT_XRGB1555;
+#endif
+ case VK_FORMAT_B8G8R8_UNORM:
+ case VK_FORMAT_B8G8R8_SRGB:
+ return WL_DRM_FORMAT_BGRX8888;
+ case VK_FORMAT_B8G8R8A8_UNORM:
+ case VK_FORMAT_B8G8R8A8_SRGB:
+ return alpha ? WL_DRM_FORMAT_ARGB8888 : WL_DRM_FORMAT_XRGB8888;
+#if 0
+ case VK_FORMAT_B10G10R10A2_UNORM:
+ return alpha ? WL_DRM_FORMAT_ARGB2101010 : WL_DRM_FORMAT_XRGB2101010;
+#endif
+
+ default:
+ assert(!"Unsupported Vulkan format");
+ return 0;
+ }
+}
+
+static void
+drm_handle_format(void *data, struct wl_drm *drm, uint32_t wl_format)
+{
+ struct wsi_wl_display *display = data;
+
+ switch (wl_format) {
+#if 0
+ case WL_DRM_FORMAT_ABGR4444:
+ case WL_DRM_FORMAT_XBGR4444:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_R4G4B4A4_UNORM);
+ break;
+ case WL_DRM_FORMAT_BGR565:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G6B5_UNORM);
+ break;
+ case WL_DRM_FORMAT_ABGR1555:
+ case WL_DRM_FORMAT_XBGR1555:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_R5G5B5A1_UNORM);
+ break;
+ case WL_DRM_FORMAT_XBGR8888:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8_UNORM);
+ /* fallthrough */
+ case WL_DRM_FORMAT_ABGR8888:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_R8G8B8A8_UNORM);
+ break;
+ case WL_DRM_FORMAT_ABGR2101010:
+ case WL_DRM_FORMAT_XBGR2101010:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_R10G10B10A2_UNORM);
+ break;
+ case WL_DRM_FORMAT_ARGB4444:
+ case WL_DRM_FORMAT_XRGB4444:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B4G4R4A4_UNORM);
+ break;
+ case WL_DRM_FORMAT_RGB565:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G6R5_UNORM);
+ break;
+ case WL_DRM_FORMAT_ARGB1555:
+ case WL_DRM_FORMAT_XRGB1555:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B5G5R5A1_UNORM);
+ break;
+#endif
+ case WL_DRM_FORMAT_XRGB8888:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_SRGB);
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8_UNORM);
+ /* fallthrough */
+ case WL_DRM_FORMAT_ARGB8888:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB);
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_UNORM);
+ break;
+#if 0
+ case WL_DRM_FORMAT_ARGB2101010:
+ case WL_DRM_FORMAT_XRGB2101010:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
+ break;
+#endif
+ }
+}
+
+static void
+drm_handle_authenticated(void *data, struct wl_drm *drm)
+{
+}
+
+static void
+drm_handle_capabilities(void *data, struct wl_drm *drm, uint32_t capabilities)
+{
+ struct wsi_wl_display *display = data;
+
+ display->capabilities = capabilities;
+}
+
+static const struct wl_drm_listener drm_listener = {
+ drm_handle_device,
+ drm_handle_format,
+ drm_handle_authenticated,
+ drm_handle_capabilities,
+};
+
+static void
+registry_handle_global(void *data, struct wl_registry *registry,
+ uint32_t name, const char *interface, uint32_t version)
+{
+ struct wsi_wl_display *display = data;
+
+ if (strcmp(interface, "wl_drm") == 0) {
+ assert(display->drm == NULL);
+
+ assert(version >= 2);
+ display->drm = wl_registry_bind(registry, name, &wl_drm_interface, 2);
+
+ if (display->drm)
+ wl_drm_add_listener(display->drm, &drm_listener, display);
+ }
+}
+
+static void
+registry_handle_global_remove(void *data, struct wl_registry *registry,
+ uint32_t name)
+{ /* No-op */ }
+
+static const struct wl_registry_listener registry_listener = {
+ registry_handle_global,
+ registry_handle_global_remove
+};
+
+static void
+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);
+ vk_free(wsi->alloc, display);
+}
+
+static struct wsi_wl_display *
+wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
+{
+ struct wsi_wl_display *display =
+ vk_alloc(wsi->alloc, sizeof(*display), 8,
+ VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE);
+ if (!display)
+ return NULL;
+
+ memset(display, 0, sizeof(*display));
+
+ display->display = wl_display;
+ display->wsi_wl = wsi;
+
+ if (!u_vector_init(&display->formats, sizeof(VkFormat), 8))
+ goto fail;
+
+ struct wl_registry *registry = wl_display_get_registry(wl_display);
+ if (!registry)
+ return NULL;
+
+ wl_registry_add_listener(registry, &registry_listener, display);
+
+ /* Round-rip to get the wl_drm global */
+ wl_display_roundtrip(wl_display);
+
+ if (!display->drm)
+ goto fail;
+
+ /* Round-rip to get wl_drm formats and capabilities */
+ wl_display_roundtrip(wl_display);
+
+ /* We need prime support */
+ if (!(display->capabilities & WL_DRM_CAPABILITY_PRIME))
+ goto fail;
+
+ /* We don't need this anymore */
+ wl_registry_destroy(registry);
+
+ return display;
+
+fail:
+ if (registry)
+ wl_registry_destroy(registry);
+
+ wsi_wl_display_destroy(wsi, display);
+ return NULL;
+}
+
+static struct wsi_wl_display *
+wsi_wl_get_display(struct anv_wsi_device *wsi_device,
+ struct wl_display *wl_display)
+{
+ struct wsi_wayland *wsi =
+ (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
+
+ pthread_mutex_lock(&wsi->mutex);
+
+ struct hash_entry *entry = _mesa_hash_table_search(wsi->displays,
+ wl_display);
+ 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_wl_display *display = wsi_wl_display_create(wsi, wl_display);
+
+ pthread_mutex_lock(&wsi->mutex);
+
+ entry = _mesa_hash_table_search(wsi->displays, wl_display);
+ if (entry) {
+ /* Oops, someone raced us to it */
+ wsi_wl_display_destroy(wsi, display);
+ } else {
+ entry = _mesa_hash_table_insert(wsi->displays, wl_display, display);
+ }
+ }
+
+ pthread_mutex_unlock(&wsi->mutex);
+
+ return entry->data;
+}
+
+VkBool32
+wsi_wl_get_presentation_support(struct anv_wsi_device *wsi_device,
+ struct wl_display *wl_display)
+{
+ return wsi_wl_get_display(wsi_device, wl_display) != NULL;
+}
+
+static VkResult
+wsi_wl_surface_get_support(VkIcdSurfaceBase *surface,
+ struct anv_wsi_device *wsi_device,
+ const VkAllocationCallbacks *alloc,
+ uint32_t queueFamilyIndex,
+ VkBool32* pSupported)
+{
+ *pSupported = true;
+
+ return VK_SUCCESS;
+}
+
+static const VkPresentModeKHR present_modes[] = {
+ VK_PRESENT_MODE_MAILBOX_KHR,
+ VK_PRESENT_MODE_FIFO_KHR,
+};
+
+static VkResult
+wsi_wl_surface_get_capabilities(VkIcdSurfaceBase *surface,
+ VkSurfaceCapabilitiesKHR* caps)
+{
+ caps->minImageCount = MIN_NUM_IMAGES;
+ caps->maxImageCount = 4;
+ caps->currentExtent = (VkExtent2D) { -1, -1 };
+ caps->minImageExtent = (VkExtent2D) { 1, 1 };
+ caps->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
+ caps->supportedTransforms = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
+ caps->currentTransform = VK_SURFACE_TRANSFORM_IDENTITY_BIT_KHR;
+ caps->maxImageArrayLayers = 1;
+
+ caps->supportedCompositeAlpha =
+ VK_COMPOSITE_ALPHA_OPAQUE_BIT_KHR |
+ VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR;
+
+ 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
+wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface,
+ struct anv_wsi_device *wsi_device,
+ uint32_t* pSurfaceFormatCount,
+ VkSurfaceFormatKHR* pSurfaceFormats)
+{
+ VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
+ struct wsi_wl_display *display =
+ wsi_wl_get_display(wsi_device, surface->display);
+
+ uint32_t count = u_vector_length(&display->formats);
+
+ if (pSurfaceFormats == NULL) {
+ *pSurfaceFormatCount = count;
+ return VK_SUCCESS;
+ }
+
+ assert(*pSurfaceFormatCount >= count);
+ *pSurfaceFormatCount = count;
+
+ VkFormat *f;
+ u_vector_foreach(f, &display->formats) {
+ *(pSurfaceFormats++) = (VkSurfaceFormatKHR) {
+ .format = *f,
+ /* TODO: We should get this from the compositor somehow */
+ .colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR,
+ };
+ }
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+wsi_wl_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;
+}
+
+VkResult anv_create_wl_surface(const VkAllocationCallbacks *pAllocator,
+ const VkWaylandSurfaceCreateInfoKHR *pCreateInfo,
+ VkSurfaceKHR *pSurface)
+{
+ VkIcdSurfaceWayland *surface;
+
+ surface = vk_alloc(pAllocator, sizeof *surface, 8,
+ VK_SYSTEM_ALLOCATION_SCOPE_OBJECT);
+ if (surface == NULL)
+ return VK_ERROR_OUT_OF_HOST_MEMORY;
+
+ surface->base.platform = VK_ICD_WSI_PLATFORM_WAYLAND;
+ surface->display = pCreateInfo->display;
+ surface->surface = pCreateInfo->surface;
+
+ *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base);
+
+ return VK_SUCCESS;
+}
+
+struct wsi_wl_image {
+ VkImage image;
+ VkDeviceMemory memory;
+ struct wl_buffer * buffer;
+ bool busy;
+};
+
+struct wsi_wl_swapchain {
+ struct anv_swapchain base;
+
+ struct wsi_wl_display * display;
+ struct wl_event_queue * queue;
+ struct wl_surface * surface;
+
+ VkExtent2D extent;
+ VkFormat vk_format;
+ uint32_t drm_format;
+
+ VkPresentModeKHR present_mode;
+ bool fifo_ready;
+
+ uint32_t image_count;
+ struct wsi_wl_image images[0];
+};
+
+static VkResult
+wsi_wl_swapchain_get_images(struct anv_swapchain *anv_chain,
+ uint32_t *pCount, VkImage *pSwapchainImages)
+{
+ struct wsi_wl_swapchain *chain = (struct wsi_wl_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
+wsi_wl_swapchain_acquire_next_image(struct anv_swapchain *anv_chain,
+ uint64_t timeout,
+ VkSemaphore semaphore,
+ uint32_t *image_index)
+{
+ struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
+
+ int ret = wl_display_dispatch_queue_pending(chain->display->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
+ * kicked by the server so this seems more-or-less correct.
+ */
+ if (ret < 0)
+ return VK_ERROR_OUT_OF_DATE_KHR;
+
+ while (1) {
+ for (uint32_t i = 0; i < chain->image_count; i++) {
+ if (!chain->images[i].busy) {
+ /* We found a non-busy image */
+ *image_index = i;
+ chain->images[i].busy = true;
+ return VK_SUCCESS;
+ }
+ }
+
+ /* 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,
+ chain->queue);
+ if (ret < 0)
+ return VK_ERROR_OUT_OF_DATE_KHR;
+ }
+}
+
+static void
+frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
+{
+ struct wsi_wl_swapchain *chain = data;
+
+ chain->fifo_ready = true;
+
+ wl_callback_destroy(callback);
+}
+
+static const struct wl_callback_listener frame_listener = {
+ frame_handle_done,
+};
+
+static VkResult
+wsi_wl_swapchain_queue_present(struct anv_swapchain *anv_chain,
+ uint32_t image_index)
+{
+ struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
+
+ if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
+ while (!chain->fifo_ready) {
+ int ret = wl_display_dispatch_queue(chain->display->display,
+ chain->queue);
+ if (ret < 0)
+ return VK_ERROR_OUT_OF_DATE_KHR;
+ }
+ }
+
+ assert(image_index < chain->image_count);
+ wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0);
+ wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX);
+
+ if (chain->present_mode == VK_PRESENT_MODE_FIFO_KHR) {
+ struct wl_callback *frame = wl_surface_frame(chain->surface);
+ wl_proxy_set_queue((struct wl_proxy *)frame, chain->queue);
+ wl_callback_add_listener(frame, &frame_listener, chain);
+ chain->fifo_ready = false;
+ }
+
+ chain->images[image_index].busy = true;
+ wl_surface_commit(chain->surface);
+ wl_display_flush(chain->display->display);
+
+ return VK_SUCCESS;
+}
+
+static void
+buffer_handle_release(void *data, struct wl_buffer *buffer)
+{
+ struct wsi_wl_image *image = data;
+
+ assert(image->buffer == buffer);
+
+ image->busy = false;
+}
+
+static const struct wl_buffer_listener buffer_listener = {
+ buffer_handle_release,
+};
+
+static VkResult
+wsi_wl_image_init(struct wsi_wl_swapchain *chain,
+ struct wsi_wl_image *image,
+ const VkSwapchainCreateInfoKHR *pCreateInfo,
+ const VkAllocationCallbacks* pAllocator)
+{
+ VkDevice vk_device = chain->base.device;
+ VkResult result;
+ int fd;
+ uint32_t size;
+ uint32_t row_pitch;
+ uint32_t offset;
+ result = chain->base.image_fns->create_wsi_image(vk_device,
+ pCreateInfo,
+ pAllocator,
+ &image->image,
+ &image->memory,
+ &size,
+ &offset,
+ &row_pitch,
+ &fd);
+ if (result != VK_SUCCESS)
+ return result;
+
+ image->buffer = wl_drm_create_prime_buffer(chain->display->drm,
+ fd, /* name */
+ chain->extent.width,
+ chain->extent.height,
+ chain->drm_format,
+ offset,
+ row_pitch,
+ 0, 0, 0, 0 /* unused */);
+ wl_display_roundtrip(chain->display->display);
+ close(fd);
+
+ wl_proxy_set_queue((struct wl_proxy *)image->buffer, chain->queue);
+ wl_buffer_add_listener(image->buffer, &buffer_listener, image);
+
+ return VK_SUCCESS;
+
+ chain->base.image_fns->free_wsi_image(vk_device, pAllocator,
+ image->image, image->memory);
+
+ return result;
+}
+
+static VkResult
+wsi_wl_swapchain_destroy(struct anv_swapchain *anv_chain,
+ const VkAllocationCallbacks *pAllocator)
+{
+ struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)anv_chain;
+
+ for (uint32_t i = 0; i < chain->image_count; i++) {
+ if (chain->images[i].buffer)
+ chain->base.image_fns->free_wsi_image(chain->base.device, pAllocator,
+ chain->images[i].image,
+ chain->images[i].memory);
+ }
+
+ vk_free(pAllocator, chain);
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+wsi_wl_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)
+{
+ VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface;
+ struct wsi_wl_swapchain *chain;
+ VkResult result;
+
+ assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR);
+
+ int num_images = pCreateInfo->minImageCount;
+
+ assert(num_images >= MIN_NUM_IMAGES);
+
+ /* 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_OUT_OF_HOST_MEMORY;
+
+ chain->base.device = device;
+ chain->base.destroy = wsi_wl_swapchain_destroy;
+ chain->base.get_images = wsi_wl_swapchain_get_images;
+ chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image;
+ chain->base.queue_present = wsi_wl_swapchain_queue_present;
+ chain->base.image_fns = image_fns;
+ chain->surface = surface->surface;
+ chain->extent = pCreateInfo->imageExtent;
+ chain->vk_format = pCreateInfo->imageFormat;
+ chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, false);
+
+ chain->present_mode = pCreateInfo->presentMode;
+ chain->fifo_ready = true;
+
+ chain->image_count = num_images;
+
+ /* Mark a bunch of stuff as NULL. This way we can just call
+ * destroy_swapchain for cleanup.
+ */
+ for (uint32_t i = 0; i < chain->image_count; i++)
+ chain->images[i].buffer = NULL;
+ chain->queue = NULL;
+
+ chain->display = wsi_wl_get_display(wsi_device,
+ surface->display);
+ if (!chain->display) {
+ result = VK_ERROR_INITIALIZATION_FAILED;
+ goto fail;
+ }
+
+ chain->queue = wl_display_create_queue(chain->display->display);
+ if (!chain->queue) {
+ result = VK_ERROR_INITIALIZATION_FAILED;
+ goto fail;
+ }
+
+ for (uint32_t i = 0; i < chain->image_count; i++) {
+ result = wsi_wl_image_init(chain, &chain->images[i],
+ pCreateInfo, pAllocator);
+ if (result != VK_SUCCESS)
+ goto fail;
+ chain->images[i].busy = false;
+ }
+
+ *swapchain_out = &chain->base;
+
+ return VK_SUCCESS;
+
+fail:
+ wsi_wl_swapchain_destroy(&chain->base, pAllocator);
+
+ return result;
+}
+
+VkResult
+anv_wl_init_wsi(struct anv_wsi_device *wsi_device,
+ const VkAllocationCallbacks *alloc,
+ VkPhysicalDevice physical_device,
+ const struct anv_wsi_callbacks *cbs)
+{
+ struct wsi_wayland *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;
+ }
+
+ wsi->physical_device = physical_device;
+ wsi->alloc = alloc;
+ wsi->cbs = cbs;
+ 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->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer,
+ _mesa_key_pointer_equal);
+ if (!wsi->displays) {
+ result = VK_ERROR_OUT_OF_HOST_MEMORY;
+ goto fail_mutex;
+ }
+
+ wsi->base.get_support = wsi_wl_surface_get_support;
+ wsi->base.get_capabilities = wsi_wl_surface_get_capabilities;
+ wsi->base.get_formats = wsi_wl_surface_get_formats;
+ wsi->base.get_present_modes = wsi_wl_surface_get_present_modes;
+ wsi->base.create_swapchain = wsi_wl_surface_create_swapchain;
+
+ wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &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_WAYLAND] = NULL;
+
+ return result;
+}
+
+void
+anv_wl_finish_wsi(struct anv_wsi_device *wsi_device,
+ const VkAllocationCallbacks *alloc)
+{
+ struct wsi_wayland *wsi =
+ (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND];
+
+ if (wsi) {
+ _mesa_hash_table_destroy(wsi->displays, NULL);
+
+ pthread_mutex_destroy(&wsi->mutex);
+
+ vk_free(alloc, wsi);
+ }
+}