diff options
Diffstat (limited to 'src/intel/vulkan/anv_wsi_wayland.c')
| -rw-r--r-- | src/intel/vulkan/anv_wsi_wayland.c | 871 |
1 files changed, 871 insertions, 0 deletions
diff --git a/src/intel/vulkan/anv_wsi_wayland.c b/src/intel/vulkan/anv_wsi_wayland.c new file mode 100644 index 0000000..6f25eaf --- /dev/null +++ b/src/intel/vulkan/anv_wsi_wayland.c @@ -0,0 +1,871 @@ +/* + * 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_interface 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)->isl_format == + ISL_FORMAT_UNSUPPORTED) { + 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) { + /* 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_SRGB: + return WL_DRM_FORMAT_BGRX8888; + 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); + /* fallthrough */ + case WL_DRM_FORMAT_ARGB8888: + wsi_wl_display_add_vk_format(display, VK_FORMAT_B8G8R8A8_SRGB); + 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) +{ + anv_vector_finish(&display->formats); + if (display->drm) + wl_drm_destroy(display->drm); + anv_free(&wsi->instance->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 = + anv_alloc(&wsi->instance->alloc, sizeof(*display), 8, + VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); + 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 anv_instance *instance, struct wl_display *wl_display) +{ + struct wsi_wayland *wsi = + (struct wsi_wayland *)instance->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 anv_GetPhysicalDeviceWaylandPresentationSupportKHR( + VkPhysicalDevice physicalDevice, + uint32_t queueFamilyIndex, + struct wl_display* display) +{ + ANV_FROM_HANDLE(anv_physical_device, physical_device, physicalDevice); + + return wsi_wl_get_display(physical_device->instance, display) != NULL; +} + +static VkResult +wsi_wl_surface_get_support(VkIcdSurfaceBase *surface, + struct anv_physical_device *device, + 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, + struct anv_physical_device *device, + 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_physical_device *device, + uint32_t* pSurfaceFormatCount, + VkSurfaceFormatKHR* pSurfaceFormats) +{ + VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface; + struct wsi_wl_display *display = + wsi_wl_get_display(device->instance, surface->display); + + uint32_t count = anv_vector_length(&display->formats); + + if (pSurfaceFormats == NULL) { + *pSurfaceFormatCount = count; + return VK_SUCCESS; + } + + assert(*pSurfaceFormatCount >= count); + *pSurfaceFormatCount = count; + + VkFormat *f; + anv_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, + struct anv_physical_device *device, + 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 +wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *surface, + struct anv_device *device, + const VkSwapchainCreateInfoKHR* pCreateInfo, + const VkAllocationCallbacks* pAllocator, + struct anv_swapchain **swapchain); + +VkResult anv_CreateWaylandSurfaceKHR( + VkInstance _instance, + const VkWaylandSurfaceCreateInfoKHR* pCreateInfo, + const VkAllocationCallbacks* pAllocator, + VkSurfaceKHR* pSurface) +{ + ANV_FROM_HANDLE(anv_instance, instance, _instance); + + assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_WAYLAND_SURFACE_CREATE_INFO_KHR); + + VkIcdSurfaceWayland *surface; + + surface = anv_alloc2(&instance->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_WAYLAND; + surface->display = pCreateInfo->display; + surface->surface = pCreateInfo->surface; + + *pSurface = _VkIcdSurfaceBase_to_handle(&surface->base); + + return VK_SUCCESS; +} + +struct wsi_wl_image { + struct anv_image * image; + struct anv_device_memory * 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] = anv_image_to_handle(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(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; + 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(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, + struct anv_queue *queue, + 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(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 +wsi_wl_image_finish(struct wsi_wl_swapchain *chain, struct wsi_wl_image *image, + const VkAllocationCallbacks* pAllocator) +{ + VkDevice vk_device = anv_device_to_handle(chain->base.device); + anv_FreeMemory(vk_device, anv_device_memory_to_handle(image->memory), + pAllocator); + anv_DestroyImage(vk_device, anv_image_to_handle(image->image), + pAllocator); +} + +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 VkAllocationCallbacks* pAllocator) +{ + 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) { + .isl_tiling_flags = ISL_TILING_X_BIT, + .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, + .arrayLayers = 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, + }}, + pAllocator, + &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_AllocateMemory(vk_device, + &(VkMemoryAllocateInfo) { + .sType = VK_STRUCTURE_TYPE_MEMORY_ALLOCATE_INFO, + .allocationSize = image->image->size, + .memoryTypeIndex = 0, + }, + pAllocator, + &vk_memory); + + if (result != VK_SUCCESS) + goto fail_image; + + image->memory = anv_device_memory_from_handle(vk_memory); + image->memory->bo.is_winsys_bo = true; + + 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->isl.row_pitch, I915_TILING_X); + if (ret) { + /* FINISHME: Choose a better error. */ + result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY); + goto fail_mem; + } + + int fd = anv_gem_handle_to_fd(chain->base.device, + image->memory->bo.gem_handle); + if (fd == -1) { + /* FINISHME: Choose a better error. */ + result = vk_error(VK_ERROR_OUT_OF_DEVICE_MEMORY); + 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->isl.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; + +fail_mem: + anv_FreeMemory(vk_device, vk_memory, pAllocator); +fail_image: + anv_DestroyImage(vk_device, vk_image, pAllocator); + + 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) + wsi_wl_image_finish(chain, &chain->images[i], pAllocator); + } + + anv_free2(&chain->base.device->alloc, pAllocator, chain); + + return VK_SUCCESS; +} + +static VkResult +wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface, + struct anv_device *device, + const VkSwapchainCreateInfoKHR* pCreateInfo, + const VkAllocationCallbacks* pAllocator, + 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 = anv_alloc2(&device->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 = 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->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(device->instance, surface->display); + 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], 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_instance *instance) +{ + struct wsi_wayland *wsi; + VkResult result; + + wsi = anv_alloc(&instance->alloc, sizeof(*wsi), 8, + VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); + if (!wsi) { + result = vk_error(VK_ERROR_OUT_OF_HOST_MEMORY); + goto fail; + } + + wsi->instance = instance; + + 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->displays = _mesa_hash_table_create(NULL, _mesa_hash_pointer, + _mesa_key_pointer_equal); + if (!wsi->displays) { + result = vk_error(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; + + instance->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base; + + return VK_SUCCESS; + +fail_mutex: + pthread_mutex_destroy(&wsi->mutex); + +fail_alloc: + anv_free(&instance->alloc, wsi); +fail: + instance->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL; + + return result; +} + +void +anv_wl_finish_wsi(struct anv_instance *instance) +{ + struct wsi_wayland *wsi = + (struct wsi_wayland *)instance->wsi[VK_ICD_WSI_PLATFORM_WAYLAND]; + + if (wsi) { + _mesa_hash_table_destroy(wsi->displays, NULL); + + pthread_mutex_destroy(&wsi->mutex); + + anv_free(&instance->alloc, wsi); + } +} |