/* * 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 #include #include #include #include #include #include #include #include #include "drm-uapi/drm_fourcc.h" #include "vk_util.h" #include "wsi_common_private.h" #include "wsi_common_wayland.h" #include "wayland-drm-client-protocol.h" #include "linux-dmabuf-unstable-v1-client-protocol.h" #include #include #include #define typed_memcpy(dest, src, count) ({ \ STATIC_ASSERT(sizeof(*src) == sizeof(*dest)); \ memcpy((dest), (src), (count) * sizeof(*(src))); \ }) struct wsi_wayland; struct wsi_wl_display_drm { struct wl_drm * wl_drm; struct u_vector formats; uint32_t capabilities; }; struct wsi_wl_display_dmabuf { struct zwp_linux_dmabuf_v1 * wl_dmabuf; struct u_vector formats; struct { struct u_vector argb8888; struct u_vector xrgb8888; } modifiers; }; struct wsi_wl_display { /* The real wl_display */ struct wl_display * wl_display; /* Actually a proxy wrapper around the event queue */ struct wl_display * wl_display_wrapper; struct wl_event_queue * queue; struct wsi_wl_display_drm drm; struct wsi_wl_display_dmabuf dmabuf; struct wsi_wayland *wsi_wl; /* Points to formats in wsi_wl_display_drm or wsi_wl_display_dmabuf */ struct u_vector * formats; /* Only used for displays created by wsi_wl_display_create */ uint32_t refcount; }; struct wsi_wayland { struct wsi_interface base; struct wsi_device *wsi; const VkAllocationCallbacks *alloc; VkPhysicalDevice physical_device; }; static void wsi_wl_display_add_vk_format(struct wsi_wl_display *display, struct u_vector *formats, VkFormat format) { /* Don't add a format that's already in the list */ VkFormat *f; u_vector_foreach(f, formats) if (*f == format) return; /* Don't add formats that aren't renderable. */ VkFormatProperties props; display->wsi_wl->wsi->GetPhysicalDeviceFormatProperties(display->wsi_wl->physical_device, format, &props); if (!(props.optimalTilingFeatures & VK_FORMAT_FEATURE_COLOR_ATTACHMENT_BIT)) return; f = u_vector_add(formats); if (f) *f = format; } static void wsi_wl_display_add_wl_format(struct wsi_wl_display *display, struct u_vector *formats, uint32_t wl_format) { switch (wl_format) { #if 0 case WL_DRM_FORMAT_ABGR4444: case WL_DRM_FORMAT_XBGR4444: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_R4G4B4A4_UNORM); break; case WL_DRM_FORMAT_BGR565: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_R5G6B5_UNORM); break; case WL_DRM_FORMAT_ABGR1555: case WL_DRM_FORMAT_XBGR1555: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_R5G5B5A1_UNORM); break; case WL_DRM_FORMAT_XBGR8888: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_R8G8B8_UNORM); /* fallthrough */ case WL_DRM_FORMAT_ABGR8888: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_R8G8B8A8_UNORM); break; case WL_DRM_FORMAT_ABGR2101010: case WL_DRM_FORMAT_XBGR2101010: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_R10G10B10A2_UNORM); break; case WL_DRM_FORMAT_ARGB4444: case WL_DRM_FORMAT_XRGB4444: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B4G4R4A4_UNORM); break; case WL_DRM_FORMAT_RGB565: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B5G6R5_UNORM); break; case WL_DRM_FORMAT_ARGB1555: case WL_DRM_FORMAT_XRGB1555: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B5G5R5A1_UNORM); break; #endif case WL_DRM_FORMAT_XRGB8888: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B8G8R8_SRGB); wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B8G8R8_UNORM); /* fallthrough */ case WL_DRM_FORMAT_ARGB8888: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B8G8R8A8_SRGB); wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B8G8R8A8_UNORM); break; #if 0 case WL_DRM_FORMAT_ARGB2101010: case WL_DRM_FORMAT_XRGB2101010: wsi_wl_display_add_vk_format(display, formats, VK_FORMAT_B10G10R10A2_UNORM); break; #endif } } static void drm_handle_device(void *data, struct wl_drm *drm, const char *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; if (display->drm.formats.element_size == 0) return; wsi_wl_display_add_wl_format(display, &display->drm.formats, wl_format); } 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->drm.capabilities = capabilities; } static const struct wl_drm_listener drm_listener = { drm_handle_device, drm_handle_format, drm_handle_authenticated, drm_handle_capabilities, }; static void dmabuf_handle_format(void *data, struct zwp_linux_dmabuf_v1 *dmabuf, uint32_t format) { /* Formats are implicitly advertised by the modifier event, so we ignore * them here. */ } static void dmabuf_handle_modifier(void *data, struct zwp_linux_dmabuf_v1 *dmabuf, uint32_t format, uint32_t modifier_hi, uint32_t modifier_lo) { struct wsi_wl_display *display = data; uint64_t *mod = NULL; /* If we're not fetching formats, don't fetch modifiers either. */ if (display->dmabuf.formats.element_size == 0) return; if (modifier_hi == (DRM_FORMAT_MOD_INVALID >> 32) && modifier_lo == (DRM_FORMAT_MOD_INVALID & 0xffffffff)) return; switch (format) { case WL_DRM_FORMAT_ARGB8888: wsi_wl_display_add_wl_format(display, &display->dmabuf.formats, format); mod = u_vector_add(&display->dmabuf.modifiers.argb8888); break; case WL_DRM_FORMAT_XRGB8888: wsi_wl_display_add_wl_format(display, &display->dmabuf.formats, format); mod = u_vector_add(&display->dmabuf.modifiers.xrgb8888); break; default: break; } if (!mod) return; *mod = (uint64_t) modifier_hi << 32; *mod |= (uint64_t) (modifier_lo & 0xffffffff); } static const struct zwp_linux_dmabuf_v1_listener dmabuf_listener = { dmabuf_handle_format, dmabuf_handle_modifier, }; 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.wl_drm == NULL); assert(version >= 2); display->drm.wl_drm = wl_registry_bind(registry, name, &wl_drm_interface, 2); wl_drm_add_listener(display->drm.wl_drm, &drm_listener, display); } else if (strcmp(interface, "zwp_linux_dmabuf_v1") == 0 && version >= 3 && display->wsi_wl->wsi->supports_modifiers) { display->dmabuf.wl_dmabuf = wl_registry_bind(registry, name, &zwp_linux_dmabuf_v1_interface, 3); zwp_linux_dmabuf_v1_add_listener(display->dmabuf.wl_dmabuf, &dmabuf_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_finish(struct wsi_wl_display *display) { assert(display->refcount == 0); u_vector_finish(&display->drm.formats); u_vector_finish(&display->dmabuf.formats); u_vector_finish(&display->dmabuf.modifiers.argb8888); u_vector_finish(&display->dmabuf.modifiers.xrgb8888); if (display->drm.wl_drm) wl_drm_destroy(display->drm.wl_drm); if (display->dmabuf.wl_dmabuf) zwp_linux_dmabuf_v1_destroy(display->dmabuf.wl_dmabuf); if (display->wl_display_wrapper) wl_proxy_wrapper_destroy(display->wl_display_wrapper); if (display->queue) wl_event_queue_destroy(display->queue); } static VkResult wsi_wl_display_init(struct wsi_wayland *wsi_wl, struct wsi_wl_display *display, struct wl_display *wl_display, bool get_format_list) { VkResult result = VK_SUCCESS; memset(display, 0, sizeof(*display)); display->wsi_wl = wsi_wl; display->wl_display = wl_display; if (get_format_list) { if (!u_vector_init(&display->drm.formats, sizeof(VkFormat), 8) || !u_vector_init(&display->dmabuf.formats, sizeof(VkFormat), 8) || !u_vector_init(&display->dmabuf.modifiers.argb8888, sizeof(uint64_t), 32) || !u_vector_init(&display->dmabuf.modifiers.xrgb8888, sizeof(uint64_t), 32)) { result = VK_ERROR_OUT_OF_HOST_MEMORY; goto fail; } } display->queue = wl_display_create_queue(wl_display); if (!display->queue) { result = VK_ERROR_OUT_OF_HOST_MEMORY; goto fail; } display->wl_display_wrapper = wl_proxy_create_wrapper(wl_display); if (!display->wl_display_wrapper) { result = VK_ERROR_OUT_OF_HOST_MEMORY; goto fail; } wl_proxy_set_queue((struct wl_proxy *) display->wl_display_wrapper, display->queue); struct wl_registry *registry = wl_display_get_registry(display->wl_display_wrapper); if (!registry) { result = VK_ERROR_OUT_OF_HOST_MEMORY; goto fail; } wl_registry_add_listener(registry, ®istry_listener, display); /* Round-trip to get wl_drms and zwp_linux_dmabuf_v1 globals */ wl_display_roundtrip_queue(display->wl_display, display->queue); /* Round-trip again to get formats, modifiers and capabilities */ if (display->drm.wl_drm || display->dmabuf.wl_dmabuf) wl_display_roundtrip_queue(display->wl_display, display->queue); if (wsi_wl->wsi->force_bgra8_unorm_first) { /* Find BGRA8_UNORM in the list and swap it to the first position if we * can find it. Some apps get confused if SRGB is first in the list. */ VkFormat *first_fmt = u_vector_head(display->formats); VkFormat *iter_fmt; u_vector_foreach(iter_fmt, display->formats) { if (*iter_fmt == VK_FORMAT_B8G8R8A8_UNORM) { *iter_fmt = *first_fmt; *first_fmt = VK_FORMAT_B8G8R8A8_UNORM; break; } } } /* We need prime support for wl_drm */ if (display->drm.wl_drm && (display->drm.capabilities & WL_DRM_CAPABILITY_PRIME)) { display->formats = &display->drm.formats; } else if (display->dmabuf.wl_dmabuf) { display->formats = &display->dmabuf.formats; } if (!display->formats) { result = VK_ERROR_SURFACE_LOST_KHR; goto fail_registry; } /* We don't need this anymore */ wl_registry_destroy(registry); display->refcount = 0; return VK_SUCCESS; fail_registry: if (registry) wl_registry_destroy(registry); fail: wsi_wl_display_finish(display); return result; } static VkResult wsi_wl_display_create(struct wsi_wayland *wsi, struct wl_display *wl_display, struct wsi_wl_display **display_out) { struct wsi_wl_display *display = vk_alloc(wsi->alloc, sizeof(*display), 8, VK_SYSTEM_ALLOCATION_SCOPE_INSTANCE); if (!display) return VK_ERROR_OUT_OF_HOST_MEMORY; VkResult result = wsi_wl_display_init(wsi, display, wl_display, true); if (result != VK_SUCCESS) { vk_free(wsi->alloc, display); return result; } display->refcount++; *display_out = display; return result; } static struct wsi_wl_display * wsi_wl_display_ref(struct wsi_wl_display *display) { display->refcount++; return display; } static void wsi_wl_display_unref(struct wsi_wl_display *display) { if (display->refcount-- > 1) return; struct wsi_wayland *wsi = display->wsi_wl; wsi_wl_display_finish(display); vk_free(wsi->alloc, display); } VkBool32 wsi_wl_get_presentation_support(struct wsi_device *wsi_device, struct wl_display *wl_display) { struct wsi_wayland *wsi = (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND]; struct wsi_wl_display display; VkResult ret = wsi_wl_display_init(wsi, &display, wl_display, false); if (ret == VK_SUCCESS) wsi_wl_display_finish(&display); return ret == VK_SUCCESS; } static VkResult wsi_wl_surface_get_support(VkIcdSurfaceBase *surface, struct wsi_device *wsi_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 wsi_device *wsi_device, VkSurfaceCapabilitiesKHR* caps) { /* 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 */ caps->minImageCount = 4; /* There is no real maximum */ caps->maxImageCount = 0; caps->currentExtent = (VkExtent2D) { -1, -1 }; caps->minImageExtent = (VkExtent2D) { 1, 1 }; caps->maxImageExtent = (VkExtent2D) { wsi_device->maxImageDimension2D, wsi_device->maxImageDimension2D, }; 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_STORAGE_BIT | VK_IMAGE_USAGE_COLOR_ATTACHMENT_BIT; return VK_SUCCESS; } static VkResult wsi_wl_surface_get_capabilities2(VkIcdSurfaceBase *surface, struct wsi_device *wsi_device, const void *info_next, VkSurfaceCapabilities2KHR* caps) { assert(caps->sType == VK_STRUCTURE_TYPE_SURFACE_CAPABILITIES_2_KHR); VkResult result = wsi_wl_surface_get_capabilities(surface, wsi_device, &caps->surfaceCapabilities); vk_foreach_struct(ext, caps->pNext) { switch (ext->sType) { case VK_STRUCTURE_TYPE_SURFACE_PROTECTED_CAPABILITIES_KHR: { VkSurfaceProtectedCapabilitiesKHR *protected = (void *)ext; protected->supportsProtected = VK_FALSE; break; } default: /* Ignored */ break; } } return result; } static VkResult wsi_wl_surface_get_formats(VkIcdSurfaceBase *icd_surface, struct wsi_device *wsi_device, uint32_t* pSurfaceFormatCount, VkSurfaceFormatKHR* pSurfaceFormats) { VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface; struct wsi_wayland *wsi = (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND]; struct wsi_wl_display display; if (wsi_wl_display_init(wsi, &display, surface->display, true)) return VK_ERROR_SURFACE_LOST_KHR; VK_OUTARRAY_MAKE(out, pSurfaceFormats, pSurfaceFormatCount); VkFormat *disp_fmt; u_vector_foreach(disp_fmt, display.formats) { vk_outarray_append(&out, out_fmt) { out_fmt->format = *disp_fmt; out_fmt->colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; } } wsi_wl_display_finish(&display); return vk_outarray_status(&out); } static VkResult wsi_wl_surface_get_formats2(VkIcdSurfaceBase *icd_surface, struct wsi_device *wsi_device, const void *info_next, uint32_t* pSurfaceFormatCount, VkSurfaceFormat2KHR* pSurfaceFormats) { VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface; struct wsi_wayland *wsi = (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND]; struct wsi_wl_display display; if (wsi_wl_display_init(wsi, &display, surface->display, true)) return VK_ERROR_SURFACE_LOST_KHR; VK_OUTARRAY_MAKE(out, pSurfaceFormats, pSurfaceFormatCount); VkFormat *disp_fmt; u_vector_foreach(disp_fmt, display.formats) { vk_outarray_append(&out, out_fmt) { out_fmt->surfaceFormat.format = *disp_fmt; out_fmt->surfaceFormat.colorSpace = VK_COLORSPACE_SRGB_NONLINEAR_KHR; } } wsi_wl_display_finish(&display); return vk_outarray_status(&out); } 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; } *pPresentModeCount = MIN2(*pPresentModeCount, ARRAY_SIZE(present_modes)); typed_memcpy(pPresentModes, present_modes, *pPresentModeCount); if (*pPresentModeCount < ARRAY_SIZE(present_modes)) return VK_INCOMPLETE; else return VK_SUCCESS; } static VkResult wsi_wl_surface_get_present_rectangles(VkIcdSurfaceBase *surface, struct wsi_device *wsi_device, uint32_t* pRectCount, VkRect2D* pRects) { VK_OUTARRAY_MAKE(out, pRects, pRectCount); vk_outarray_append(&out, rect) { /* We don't know a size so just return the usual "I don't know." */ *rect = (VkRect2D) { .offset = { 0, 0 }, .extent = { -1, -1 }, }; } return vk_outarray_status(&out); } VkResult wsi_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 { struct wsi_image base; struct wl_buffer * buffer; bool busy; }; struct wsi_wl_swapchain { struct wsi_swapchain base; struct wsi_wl_display *display; struct wl_surface * surface; uint32_t surface_version; /* non-NULL when wl_drm should be used for wl_buffer creation; otherwise, * zwp_linux_dmabuf_v1 should be used. */ struct wl_drm * drm_wrapper; struct wl_callback * frame; VkExtent2D extent; VkFormat vk_format; uint32_t drm_format; uint32_t num_drm_modifiers; const uint64_t * drm_modifiers; VkPresentModeKHR present_mode; bool fifo_ready; struct wsi_wl_image images[0]; }; WSI_DEFINE_NONDISP_HANDLE_CASTS(wsi_wl_swapchain, VkSwapchainKHR) static struct wsi_image * wsi_wl_swapchain_get_wsi_image(struct wsi_swapchain *wsi_chain, uint32_t image_index) { struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain; return &chain->images[image_index].base; } static VkResult wsi_wl_swapchain_acquire_next_image(struct wsi_swapchain *wsi_chain, const VkAcquireNextImageInfoKHR *info, uint32_t *image_index) { struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain; struct timespec start_time, end_time; struct timespec rel_timeout; int wl_fd = wl_display_get_fd(chain->display->wl_display); timespec_from_nsec(&rel_timeout, info->timeout); clock_gettime(CLOCK_MONOTONIC, &start_time); timespec_add(&end_time, &rel_timeout, &start_time); while (1) { /* Try to dispatch potential events. */ int ret = wl_display_dispatch_queue_pending(chain->display->wl_display, chain->display->queue); if (ret < 0) return VK_ERROR_OUT_OF_DATE_KHR; /* Try to find a free image. */ for (uint32_t i = 0; i < chain->base.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; } } /* Check for timeout. */ struct timespec current_time; clock_gettime(CLOCK_MONOTONIC, ¤t_time); if (timespec_after(¤t_time, &end_time)) return VK_NOT_READY; /* Try to read events from the server. */ ret = wl_display_prepare_read_queue(chain->display->wl_display, chain->display->queue); if (ret < 0) { /* Another thread might have read events for our queue already. Go * back to dispatch them. */ if (errno == EAGAIN) continue; return VK_ERROR_OUT_OF_DATE_KHR; } struct pollfd pollfd = { .fd = wl_fd, .events = POLLIN }; timespec_sub(&rel_timeout, &end_time, ¤t_time); ret = ppoll(&pollfd, 1, &rel_timeout, NULL); if (ret <= 0) { int lerrno = errno; wl_display_cancel_read(chain->display->wl_display); if (ret < 0) { /* If ppoll() was interrupted, try again. */ if (lerrno == EINTR || lerrno == EAGAIN) continue; return VK_ERROR_OUT_OF_DATE_KHR; } assert(ret == 0); continue; } ret = wl_display_read_events(chain->display->wl_display); 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->frame = NULL; 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 wsi_swapchain *wsi_chain, uint32_t image_index, const VkPresentRegionKHR *damage) { struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain; if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) { while (!chain->fifo_ready) { int ret = wl_display_dispatch_queue(chain->display->wl_display, chain->display->queue); if (ret < 0) return VK_ERROR_OUT_OF_DATE_KHR; } } assert(image_index < chain->base.image_count); wl_surface_attach(chain->surface, chain->images[image_index].buffer, 0, 0); if (chain->surface_version >= 4 && damage && damage->pRectangles && damage->rectangleCount > 0) { for (unsigned i = 0; i < damage->rectangleCount; i++) { const VkRectLayerKHR *rect = &damage->pRectangles[i]; assert(rect->layer == 0); wl_surface_damage_buffer(chain->surface, rect->offset.x, rect->offset.y, rect->extent.width, rect->extent.height); } } else { wl_surface_damage(chain->surface, 0, 0, INT32_MAX, INT32_MAX); } if (chain->base.present_mode == VK_PRESENT_MODE_FIFO_KHR) { chain->frame = wl_surface_frame(chain->surface); wl_callback_add_listener(chain->frame, &frame_listener, chain); chain->fifo_ready = false; } chain->images[image_index].busy = true; wl_surface_commit(chain->surface); wl_display_flush(chain->display->wl_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) { struct wsi_wl_display *display = chain->display; VkResult result; result = wsi_create_native_image(&chain->base, pCreateInfo, chain->num_drm_modifiers > 0 ? 1 : 0, &chain->num_drm_modifiers, &chain->drm_modifiers, &image->base); if (result != VK_SUCCESS) return result; if (!chain->drm_wrapper) { /* Only request modifiers if we have dmabuf, else it must be implicit. */ assert(display->dmabuf.wl_dmabuf); assert(image->base.drm_modifier != DRM_FORMAT_MOD_INVALID); struct zwp_linux_buffer_params_v1 *params = zwp_linux_dmabuf_v1_create_params(display->dmabuf.wl_dmabuf); wl_proxy_set_queue((struct wl_proxy *) params, chain->display->queue); for (int i = 0; i < image->base.num_planes; i++) { zwp_linux_buffer_params_v1_add(params, image->base.fds[i], i, image->base.offsets[i], image->base.row_pitches[i], image->base.drm_modifier >> 32, image->base.drm_modifier & 0xffffffff); close(image->base.fds[i]); } image->buffer = zwp_linux_buffer_params_v1_create_immed(params, chain->extent.width, chain->extent.height, chain->drm_format, 0); zwp_linux_buffer_params_v1_destroy(params); } else { /* Without passing modifiers, we can't have multi-plane RGB images. */ assert(image->base.num_planes == 1); assert(image->base.drm_modifier == DRM_FORMAT_MOD_INVALID); image->buffer = wl_drm_create_prime_buffer(chain->drm_wrapper, image->base.fds[0], /* name */ chain->extent.width, chain->extent.height, chain->drm_format, image->base.offsets[0], image->base.row_pitches[0], 0, 0, 0, 0 /* unused */); close(image->base.fds[0]); } if (!image->buffer) goto fail_image; wl_buffer_add_listener(image->buffer, &buffer_listener, image); return VK_SUCCESS; fail_image: wsi_destroy_image(&chain->base, &image->base); return result; } static VkResult wsi_wl_swapchain_destroy(struct wsi_swapchain *wsi_chain, const VkAllocationCallbacks *pAllocator) { struct wsi_wl_swapchain *chain = (struct wsi_wl_swapchain *)wsi_chain; for (uint32_t i = 0; i < chain->base.image_count; i++) { if (chain->images[i].buffer) { wl_buffer_destroy(chain->images[i].buffer); wsi_destroy_image(&chain->base, &chain->images[i].base); } } if (chain->frame) wl_callback_destroy(chain->frame); if (chain->surface) wl_proxy_wrapper_destroy(chain->surface); if (chain->drm_wrapper) wl_proxy_wrapper_destroy(chain->drm_wrapper); if (chain->display) wsi_wl_display_unref(chain->display); wsi_swapchain_finish(&chain->base); vk_free(pAllocator, chain); return VK_SUCCESS; } static VkResult wsi_wl_surface_create_swapchain(VkIcdSurfaceBase *icd_surface, VkDevice device, struct wsi_device *wsi_device, const VkSwapchainCreateInfoKHR* pCreateInfo, const VkAllocationCallbacks* pAllocator, struct wsi_swapchain **swapchain_out) { VkIcdSurfaceWayland *surface = (VkIcdSurfaceWayland *)icd_surface; struct wsi_wayland *wsi = (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND]; struct wsi_wl_swapchain *chain; VkResult result; assert(pCreateInfo->sType == VK_STRUCTURE_TYPE_SWAPCHAIN_CREATE_INFO_KHR); int num_images = pCreateInfo->minImageCount; size_t size = sizeof(*chain) + num_images * sizeof(chain->images[0]); chain = vk_alloc(pAllocator, size, 8, VK_SYSTEM_ALLOCATION_SCOPE_OBJECT); if (chain == NULL) return VK_ERROR_OUT_OF_HOST_MEMORY; result = wsi_swapchain_init(wsi_device, &chain->base, device, pCreateInfo, pAllocator); if (result != VK_SUCCESS) { vk_free(pAllocator, chain); return result; } /* Mark a bunch of stuff as NULL. This way we can just call * destroy_swapchain for cleanup. */ for (uint32_t i = 0; i < num_images; i++) chain->images[i].buffer = NULL; chain->surface = NULL; chain->drm_wrapper = NULL; chain->frame = NULL; bool alpha = pCreateInfo->compositeAlpha == VK_COMPOSITE_ALPHA_PRE_MULTIPLIED_BIT_KHR; chain->base.destroy = wsi_wl_swapchain_destroy; chain->base.get_wsi_image = wsi_wl_swapchain_get_wsi_image; chain->base.acquire_next_image = wsi_wl_swapchain_acquire_next_image; chain->base.queue_present = wsi_wl_swapchain_queue_present; chain->base.present_mode = wsi_swapchain_get_present_mode(wsi_device, pCreateInfo); chain->base.image_count = num_images; chain->extent = pCreateInfo->imageExtent; chain->vk_format = pCreateInfo->imageFormat; chain->drm_format = wl_drm_format_for_vk_format(chain->vk_format, alpha); if (pCreateInfo->oldSwapchain) { /* If we have an oldSwapchain parameter, copy the display struct over * from the old one so we don't have to fully re-initialize it. */ WSI_FROM_HANDLE(wsi_wl_swapchain, old_chain, pCreateInfo->oldSwapchain); chain->display = wsi_wl_display_ref(old_chain->display); } else { chain->display = NULL; result = wsi_wl_display_create(wsi, surface->display, &chain->display); if (result != VK_SUCCESS) goto fail; } chain->surface = wl_proxy_create_wrapper(surface->surface); if (!chain->surface) { result = VK_ERROR_OUT_OF_HOST_MEMORY; goto fail; } wl_proxy_set_queue((struct wl_proxy *) chain->surface, chain->display->queue); chain->surface_version = wl_proxy_get_version((void *)surface->surface); chain->num_drm_modifiers = 0; chain->drm_modifiers = 0; /* Use explicit DRM format modifiers when both the server and the driver * support them. */ if (chain->display->dmabuf.wl_dmabuf && chain->base.wsi->supports_modifiers) { struct u_vector *modifiers; switch (chain->drm_format) { case WL_DRM_FORMAT_ARGB8888: modifiers = &chain->display->dmabuf.modifiers.argb8888; break; case WL_DRM_FORMAT_XRGB8888: modifiers = &chain->display->dmabuf.modifiers.xrgb8888; break; default: modifiers = NULL; break; } if (modifiers) { chain->drm_modifiers = u_vector_tail(modifiers); chain->num_drm_modifiers = u_vector_length(modifiers); } } /* When there are explicit DRM format modifiers, we must use * zwp_linux_dmabuf_v1 for wl_buffer creation. Otherwise, we must use * wl_drm. */ if (!chain->num_drm_modifiers) { assert(chain->display->drm.wl_drm); chain->drm_wrapper = wl_proxy_create_wrapper(chain->display->drm.wl_drm); if (!chain->drm_wrapper) { result = VK_ERROR_OUT_OF_HOST_MEMORY; goto fail; } wl_proxy_set_queue((struct wl_proxy *) chain->drm_wrapper, chain->display->queue); } chain->fifo_ready = true; for (uint32_t i = 0; i < chain->base.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 wsi_wl_init_wsi(struct wsi_device *wsi_device, const VkAllocationCallbacks *alloc, VkPhysicalDevice physical_device) { 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->wsi = wsi_device; wsi->base.get_support = wsi_wl_surface_get_support; wsi->base.get_capabilities2 = wsi_wl_surface_get_capabilities2; wsi->base.get_formats = wsi_wl_surface_get_formats; wsi->base.get_formats2 = wsi_wl_surface_get_formats2; wsi->base.get_present_modes = wsi_wl_surface_get_present_modes; wsi->base.get_present_rectangles = wsi_wl_surface_get_present_rectangles; wsi->base.create_swapchain = wsi_wl_surface_create_swapchain; wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = &wsi->base; return VK_SUCCESS; fail: wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND] = NULL; return result; } void wsi_wl_finish_wsi(struct wsi_device *wsi_device, const VkAllocationCallbacks *alloc) { struct wsi_wayland *wsi = (struct wsi_wayland *)wsi_device->wsi[VK_ICD_WSI_PLATFORM_WAYLAND]; if (!wsi) return; vk_free(alloc, wsi); }