--- /dev/null
+/*
+ * 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 "anv_wsi.h"
+
+#include <util/hash_table.h>
+
+#define MIN_NUM_IMAGES 2
+
+struct wsi_wl_display {
+ struct wl_display * display;
+ struct wl_drm * drm;
+
+ /* Vector of VkFormats supported */
+ struct anv_vector formats;
+
+ uint32_t capabilities;
+};
+
+struct wsi_wayland {
+ struct anv_wsi_implementation base;
+
+ struct anv_instance * instance;
+
+ pthread_mutex_t mutex;
+ /* Hash table of wl_display -> wsi_wl_display mappings */
+ struct hash_table * displays;
+};
+
+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;
+ anv_vector_foreach(f, &display->formats)
+ if (*f == format)
+ return;
+
+ /* Don't add formats which aren't supported by the driver */
+ if (anv_format_for_vk_format(format)->cpp == 0)
+ return;
+
+ f = anv_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) {
+ 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;
+ case VK_FORMAT_B8G8R8_UNORM:
+ return WL_DRM_FORMAT_BGRX8888;
+ case VK_FORMAT_B8G8R8A8_UNORM:
+ return alpha ? WL_DRM_FORMAT_ARGB8888 : WL_DRM_FORMAT_XRGB8888;
+ case VK_FORMAT_B10G10R10A2_UNORM:
+ return alpha ? WL_DRM_FORMAT_ARGB2101010 : WL_DRM_FORMAT_XRGB2101010;
+
+ 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) {
+ 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;
+ case WL_DRM_FORMAT_XRGB8888:
+ 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_UNORM);
+ break;
+ case WL_DRM_FORMAT_ARGB2101010:
+ case WL_DRM_FORMAT_XRGB2101010:
+ wsi_wl_display_add_vk_format(display, VK_FORMAT_B10G10R10A2_UNORM);
+ break;
+ }
+}
+
+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)
+{
+ anv_vector_finish(&display->formats);
+ if (display->drm)
+ wl_drm_destroy(display->drm);
+ anv_instance_free(wsi->instance, display);
+}
+
+static struct wsi_wl_display *
+wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display)
+{
+ struct wsi_wl_display *display =
+ anv_instance_alloc(wsi->instance, sizeof(*display), 8,
+ VK_SYSTEM_ALLOC_TYPE_INTERNAL);
+ if (!display)
+ return NULL;
+
+ memset(display, 0, sizeof(*display));
+
+ display->display = wl_display;
+
+ if (!anv_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, ®istry_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 wsi_wayland *wsi, struct wl_display *wl_display)
+{
+ 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;
+}
+
+static VkResult
+wsi_wl_get_window_supported(struct anv_wsi_implementation *impl,
+ struct anv_physical_device *physical_device,
+ const VkSurfaceDescriptionWindowWSI *window,
+ VkBool32 *pSupported)
+{
+ struct wsi_wayland *wsi = (struct wsi_wayland *)impl;
+
+ *pSupported = wsi_wl_get_display(wsi, window->pPlatformHandle) != NULL;
+
+ return VK_SUCCESS;
+}
+
+static const VkSurfacePresentModePropertiesWSI present_modes[] = {
+ { VK_PRESENT_MODE_MAILBOX_WSI },
+ { VK_PRESENT_MODE_FIFO_WSI },
+};
+
+static VkResult
+wsi_wl_get_surface_info(struct anv_wsi_implementation *impl,
+ struct anv_device *device,
+ VkSurfaceDescriptionWindowWSI *window,
+ VkSurfaceInfoTypeWSI infoType,
+ size_t* pDataSize, void* pData)
+{
+ struct wsi_wayland *wsi = (struct wsi_wayland *)impl;
+
+ if (pDataSize == NULL)
+ return vk_error(VK_ERROR_INVALID_POINTER);
+
+ switch (infoType) {
+ case VK_SURFACE_INFO_TYPE_PROPERTIES_WSI: {
+ assert(*pDataSize >= sizeof(VkSurfacePropertiesWSI));
+ VkSurfacePropertiesWSI *props = pData;
+
+ props->minImageCount = MIN_NUM_IMAGES;
+ props->maxImageCount = 4;
+ props->currentExtent = (VkExtent2D) { -1, -1 };
+ props->minImageExtent = (VkExtent2D) { 1, 1 };
+ props->maxImageExtent = (VkExtent2D) { INT16_MAX, INT16_MAX };
+ props->supportedTransforms = VK_SURFACE_TRANSFORM_NONE_BIT_WSI;
+ props->currentTransform = VK_SURFACE_TRANSFORM_NONE_WSI;
+ props->maxImageArraySize = 1;
+ props->supportedUsageFlags =
+ VK_IMAGE_USAGE_TRANSFER_DESTINATION_BIT |
+ VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT;
+
+ return VK_SUCCESS;
+ }
+
+ case VK_SURFACE_INFO_TYPE_FORMATS_WSI: {
+ VkSurfaceFormatPropertiesWSI *formats = pData;
+
+ struct wsi_wl_display *display =
+ wsi_wl_get_display(wsi, window->pPlatformHandle);
+
+ uint32_t size = anv_vector_length(&display->formats) * sizeof(*formats);
+
+ if (pData == NULL) {
+ *pDataSize = size;
+ return VK_SUCCESS;
+ }
+
+ assert(*pDataSize >= size);
+ *pDataSize = size;
+
+ VkFormat *f;
+ anv_vector_foreach(f, &display->formats)
+ (formats++)->format = *f;
+
+ return VK_SUCCESS;
+ }
+
+ case VK_SURFACE_INFO_TYPE_PRESENT_MODES_WSI:
+ if (pData == NULL) {
+ *pDataSize = sizeof(present_modes);
+ return VK_SUCCESS;
+ }
+
+ assert(*pDataSize >= sizeof(present_modes));
+ memcpy(pData, present_modes, *pDataSize);
+
+ return VK_SUCCESS;
+ default:
+ return vk_error(VK_ERROR_INVALID_VALUE);
+ }
+}
+
+struct wsi_wl_image {
+ struct anv_image * image;
+ struct anv_device_memory * memory;
+ struct wl_buffer * buffer;
+ bool busy;
+};
+
+struct wsi_wl_swap_chain {
+ struct anv_swap_chain base;
+
+ struct wsi_wl_display * display;
+ struct wl_event_queue * queue;
+ struct wl_surface * surface;
+
+ VkExtent2D extent;
+ VkFormat vk_format;
+ uint32_t drm_format;
+
+ VkPresentModeWSI present_mode;
+ bool fifo_ready;
+
+ uint32_t image_count;
+ struct wsi_wl_image images[0];
+};
+
+static VkResult
+wsi_wl_get_swap_chain_info(struct anv_swap_chain *anv_chain,
+ VkSwapChainInfoTypeWSI infoType,
+ size_t* pDataSize, void* pData)
+{
+ struct wsi_wl_swap_chain *chain = (struct wsi_wl_swap_chain *)anv_chain;
+ size_t size;
+
+ switch (infoType) {
+ case VK_SWAP_CHAIN_INFO_TYPE_IMAGES_WSI: {
+ VkSwapChainImagePropertiesWSI *images = pData;
+
+ size = chain->image_count * sizeof(*images);
+
+ if (pData == NULL) {
+ *pDataSize = size;
+ return VK_SUCCESS;
+ }
+
+ assert(size <= *pDataSize);
+ for (uint32_t i = 0; i < chain->image_count; i++)
+ images[i].image = anv_image_to_handle(chain->images[i].image);
+
+ *pDataSize = size;
+
+ return VK_SUCCESS;
+ }
+
+ default:
+ return vk_error(VK_ERROR_INVALID_VALUE);
+ }
+}
+
+static VkResult
+wsi_wl_acquire_next_image(struct anv_swap_chain *anv_chain,
+ uint64_t timeout,
+ VkSemaphore semaphore,
+ uint32_t *image_index)
+{
+ struct wsi_wl_swap_chain *chain = (struct wsi_wl_swap_chain *)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(VK_ERROR_OUT_OF_DATE_WSI);
+
+ 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;
+ 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_dispatch_queue(chain->display->display,
+ chain->queue);
+ if (ret < 0)
+ return vk_error(VK_ERROR_OUT_OF_DATE_WSI);
+ }
+}
+
+static void
+frame_handle_done(void *data, struct wl_callback *callback, uint32_t serial)
+{
+ struct wsi_wl_swap_chain *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_queue_present(struct anv_swap_chain *anv_chain,
+ struct anv_queue *queue,
+ uint32_t image_index)
+{
+ struct wsi_wl_swap_chain *chain = (struct wsi_wl_swap_chain *)anv_chain;
+
+ if (chain->present_mode == VK_PRESENT_MODE_FIFO_WSI) {
+ while (!chain->fifo_ready) {
+ int ret = wl_display_dispatch_queue(chain->display->display,
+ chain->queue);
+ if (ret < 0)
+ return vk_error(VK_ERROR_OUT_OF_DATE_WSI);
+ }
+ }
+
+ 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);
+ wl_surface_commit(chain->surface);
+
+ if (chain->present_mode == VK_PRESENT_MODE_FIFO_WSI) {
+ 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);
+ }
+
+ return VK_SUCCESS;
+}
+
+static void
+wsi_wl_image_finish(struct wsi_wl_swap_chain *chain, struct wsi_wl_image *image)
+{
+ VkDevice vk_device = anv_device_to_handle(chain->base.device);
+ anv_FreeMemory(vk_device, anv_device_memory_to_handle(image->memory));
+ anv_DestroyImage(vk_device, anv_image_to_handle(image->image));
+}
+
+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_swap_chain *chain, struct wsi_wl_image *image)
+{
+ VkDevice vk_device = anv_device_to_handle(chain->base.device);
+ VkResult result;
+
+ VkImage vk_image;
+ result = anv_image_create(vk_device,
+ &(struct anv_image_create_info) {
+ .force_tile_mode = true,
+ .tile_mode = XMAJOR,
+ .stride = 0,
+ .vk_info =
+ &(VkImageCreateInfo) {
+ .sType = VK_STRUCTURE_TYPE_IMAGE_CREATE_INFO,
+ .imageType = VK_IMAGE_TYPE_2D,
+ .format = chain->vk_format,
+ .extent = {
+ .width = chain->extent.width,
+ .height = chain->extent.height,
+ .depth = 1
+ },
+ .mipLevels = 1,
+ .arraySize = 1,
+ .samples = 1,
+ /* FIXME: Need a way to use X tiling to allow scanout */
+ .tiling = VK_IMAGE_TILING_OPTIMAL,
+ .usage = VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT,
+ .flags = 0,
+ }},
+ &vk_image);
+
+ if (result != VK_SUCCESS)
+ return result;
+
+ image->image = anv_image_from_handle(vk_image);
+ assert(anv_format_is_color(image->image->format));
+
+ struct anv_surface *surface = &image->image->color_surface;
+
+ VkDeviceMemory vk_memory;
+ result = anv_AllocMemory(vk_device,
+ &(VkMemoryAllocInfo) {
+ .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOC_INFO,
+ .allocationSize = image->image->size,
+ .memoryTypeIndex = 0,
+ },
+ &vk_memory);
+
+ if (result != VK_SUCCESS)
+ goto fail_image;
+
+ image->memory = anv_device_memory_from_handle(vk_memory);
+
+ result = anv_BindImageMemory(vk_device, vk_image, vk_memory, 0);
+
+ if (result != VK_SUCCESS)
+ goto fail_mem;
+
+ int ret = anv_gem_set_tiling(chain->base.device,
+ image->memory->bo.gem_handle,
+ surface->stride, I915_TILING_X);
+ if (ret) {
+ result = vk_error(VK_ERROR_UNKNOWN);
+ goto fail_mem;
+ }
+
+ int fd = anv_gem_handle_to_fd(chain->base.device,
+ image->memory->bo.gem_handle);
+ if (fd == -1) {
+ result = vk_error(VK_ERROR_UNKNOWN);
+ goto fail_mem;
+ }
+
+ image->buffer = wl_drm_create_prime_buffer(chain->display->drm,
+ fd, /* name */
+ chain->extent.width,
+ chain->extent.height,
+ chain->drm_format,
+ surface->offset,
+ surface->stride,
+ 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;
+
+fail_mem:
+ anv_FreeMemory(vk_device, vk_memory);
+fail_image:
+ anv_DestroyImage(vk_device, vk_image);
+
+ return result;
+}
+
+static VkResult
+wsi_wl_destroy_swap_chain(struct anv_swap_chain *anv_chain)
+{
+ struct wsi_wl_swap_chain *chain = (struct wsi_wl_swap_chain *)anv_chain;
+
+ for (uint32_t i = 0; i < chain->image_count; i++) {
+ if (chain->images[i].buffer)
+ wsi_wl_image_finish(chain, &chain->images[i]);
+ }
+
+ anv_device_free(chain->base.device, chain);
+
+ return VK_SUCCESS;
+}
+
+static VkResult
+wsi_wl_create_swap_chain(struct anv_wsi_implementation *impl,
+ struct anv_device *device,
+ const VkSwapChainCreateInfoWSI *pCreateInfo,
+ struct anv_swap_chain **swap_chain_out)
+{
+ struct wsi_wayland *wsi = (struct wsi_wayland *)impl;
+ struct wsi_wl_swap_chain *chain;
+ VkResult result;
+
+ assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAP_CHAIN_CREATE_INFO_WSI);
+
+ assert(pCreateInfo->pSurfaceDescription->sType ==
+ VK_STRUCTURE_TYPE_SURFACE_DESCRIPTION_WINDOW_WSI);
+ VkSurfaceDescriptionWindowWSI *vk_window =
+ (VkSurfaceDescriptionWindowWSI *)pCreateInfo->pSurfaceDescription;
+ assert(vk_window->platform == VK_PLATFORM_WAYLAND_WSI);
+
+ 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_WSI)
+ num_images = MAX2(num_images, 4);
+
+ size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]);
+ chain = anv_device_alloc(device, size, 8,
+ VK_SYSTEM_ALLOC_TYPE_API_OBJECT);
+ if (chain == NULL)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ chain->base.device = device;
+ chain->base.destroy = wsi_wl_destroy_swap_chain;
+ chain->base.get_swap_chain_info = wsi_wl_get_swap_chain_info;
+ chain->base.acquire_next_image = wsi_wl_acquire_next_image;
+ chain->base.queue_present = wsi_wl_queue_present;
+
+ chain->surface = vk_window->pPlatformWindow;
+ 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, vk_window->pPlatformHandle);
+ if (!chain->display)
+ goto fail;
+
+ chain->queue = wl_display_create_queue(chain->display->display);
+ if (!chain->queue)
+ goto fail;
+
+ for (uint32_t i = 0; i < chain->image_count; i++) {
+ result = wsi_wl_image_init(chain, &chain->images[i]);
+ if (result != VK_SUCCESS)
+ goto fail;
+ chain->images[i].busy = false;
+ }
+
+ *swap_chain_out = &chain->base;
+
+ return VK_SUCCESS;
+
+fail:
+ wsi_wl_destroy_swap_chain(&chain->base);
+
+ return result;
+}
+
+VkResult
+anv_wl_init_wsi(struct anv_instance *instance)
+{
+ struct wsi_wayland *wsi;
+ VkResult result;
+
+ wsi = anv_instance_alloc(instance, sizeof(*wsi), 8,
+ VK_SYSTEM_ALLOC_TYPE_INTERNAL);
+ if (!wsi)
+ return vk_error(VK_ERROR_OUT_OF_HOST_MEMORY);
+
+ wsi->base.get_window_supported = wsi_wl_get_window_supported;
+ wsi->base.get_surface_info = wsi_wl_get_surface_info;
+ wsi->base.create_swap_chain = wsi_wl_create_swap_chain;
+
+ wsi->instance = instance;
+
+ int ret = pthread_mutex_init(&wsi->mutex, NULL);
+ if (ret != 0) {
+ result = (ret == ENOMEM) ? VK_ERROR_OUT_OF_HOST_MEMORY :
+ VK_ERROR_UNKNOWN;
+ 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;
+ }
+
+ instance->wsi_impl[VK_PLATFORM_WAYLAND_WSI] = &wsi->base;
+
+ return VK_SUCCESS;
+
+fail_mutex:
+ pthread_mutex_destroy(&wsi->mutex);
+
+fail_alloc:
+ anv_instance_free(instance, wsi);
+
+ return result;
+}
+
+void
+anv_wl_finish_wsi(struct anv_instance *instance)
+{
+ struct wsi_wayland *wsi =
+ (struct wsi_wayland *)instance->wsi_impl[VK_PLATFORM_WAYLAND_WSI];
+
+ _mesa_hash_table_destroy(wsi->displays, NULL);
+
+ pthread_mutex_destroy(&wsi->mutex);
+
+ anv_instance_free(instance, wsi);
+}
projects / mesa.git / commitdiff