| // Copyright 2023 The Dawn Authors |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include <zircon/syscalls.h> |
| #include <utility> |
| |
| #include "dawn/native/vulkan/AdapterVk.h" |
| #include "dawn/native/vulkan/BackendVk.h" |
| #include "dawn/native/vulkan/DeviceVk.h" |
| #include "dawn/native/vulkan/VulkanError.h" |
| #include "dawn/native/vulkan/external_semaphore/ServiceImplementation.h" |
| #include "dawn/native/vulkan/external_semaphore/ServiceImplementationZirconHandle.h" |
| |
| namespace dawn::native::vulkan::external_semaphore { |
| |
| class ServiceImplementationZirconHandle : public ServiceImplementation { |
| public: |
| explicit ServiceImplementationZirconHandle(Device* device) |
| : ServiceImplementation(device), |
| mSupported(CheckSupport(device->GetDeviceInfo(), |
| ToBackend(device->GetAdapter())->GetPhysicalDevice(), |
| device->fn)) {} |
| |
| ~ServiceImplementationZirconHandle() override = default; |
| |
| static bool CheckSupport( |
| const VulkanDeviceInfo& deviceInfo, |
| VkPhysicalDevice physicalDevice, |
| const VulkanFunctions& fn) static void CloseHandle(ExternalSemaphoreHandle handle) { |
| if (!deviceInfo.HasExt(DeviceExt::ExternalSemaphoreZirconHandle)) { |
| return false; |
| } |
| |
| VkPhysicalDeviceExternalSemaphoreInfoKHR semaphoreInfo; |
| semaphoreInfo.sType = VK_STRUCTURE_TYPE_PHYSICAL_DEVICE_EXTERNAL_SEMAPHORE_INFO_KHR; |
| semaphoreInfo.pNext = nullptr; |
| semaphoreInfo.handleType = VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_ZIRCON_EVENT_BIT_FUCHSIA; |
| |
| VkExternalSemaphorePropertiesKHR semaphoreProperties; |
| semaphoreProperties.sType = VK_STRUCTURE_TYPE_EXTERNAL_SEMAPHORE_PROPERTIES_KHR; |
| semaphoreProperties.pNext = nullptr; |
| |
| fn.GetPhysicalDeviceExternalSemaphoreProperties(physicalDevice, &semaphoreInfo, |
| &semaphoreProperties); |
| |
| VkFlags requiredFlags = VK_EXTERNAL_SEMAPHORE_FEATURE_EXPORTABLE_BIT_KHR | |
| VK_EXTERNAL_SEMAPHORE_FEATURE_IMPORTABLE_BIT_KHR; |
| |
| return IsSubset(requiredFlags, semaphoreProperties.externalSemaphoreFeatures); |
| } |
| |
| // True if the device reports it supports this feature |
| bool Supported() override { return mSupported; } |
| |
| // Given an external handle, import it into a VkSemaphore |
| ResultOrError<VkSemaphore> ImportSemaphore(ExternalSemaphoreHandle handle) override { |
| DAWN_INVALID_IF(handle == ZX_HANDLE_INVALID, |
| "Importing a semaphore with an invalid handle."); |
| |
| VkSemaphore semaphore = VK_NULL_HANDLE; |
| VkSemaphoreCreateInfo info; |
| info.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; |
| info.pNext = nullptr; |
| info.flags = 0; |
| |
| DAWN_TRY(CheckVkSuccess( |
| mDevice->fn.CreateSemaphore(mDevice->GetVkDevice(), &info, nullptr, &*semaphore), |
| "vkCreateSemaphore")); |
| |
| VkImportSemaphoreZirconHandleInfoFUCHSIA importSemaphoreHandleInfo; |
| importSemaphoreHandleInfo.sType = |
| VK_STRUCTURE_TYPE_IMPORT_SEMAPHORE_ZIRCON_HANDLE_INFO_FUCHSIA; |
| importSemaphoreHandleInfo.pNext = nullptr; |
| importSemaphoreHandleInfo.semaphore = semaphore; |
| importSemaphoreHandleInfo.flags = 0; |
| importSemaphoreHandleInfo.handleType = |
| VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_ZIRCON_EVENT_BIT_FUCHSIA; |
| importSemaphoreHandleInfo.handle = handle; |
| |
| MaybeError status = CheckVkSuccess(mDevice->fn.ImportSemaphoreZirconHandleFUCHSIA( |
| mDevice->GetVkDevice(), &importSemaphoreHandleInfo), |
| "vkImportSemaphoreZirconHandleFUCHSIA"); |
| |
| if (status.IsError()) { |
| mDevice->fn.DestroySemaphore(mDevice->GetVkDevice(), semaphore, nullptr); |
| DAWN_TRY(std::move(status)); |
| } |
| |
| return semaphore; |
| } |
| |
| // Create a VkSemaphore that is exportable into an external handle later |
| ResultOrError<VkSemaphore> CreateExportableSemaphore() override { |
| VkExportSemaphoreCreateInfoKHR exportSemaphoreInfo; |
| exportSemaphoreInfo.sType = VK_STRUCTURE_TYPE_EXPORT_SEMAPHORE_CREATE_INFO_KHR; |
| exportSemaphoreInfo.pNext = nullptr; |
| exportSemaphoreInfo.handleTypes = |
| VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_ZIRCON_EVENT_BIT_FUCHSIA; |
| |
| VkSemaphoreCreateInfo semaphoreCreateInfo; |
| semaphoreCreateInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_CREATE_INFO; |
| semaphoreCreateInfo.pNext = &exportSemaphoreInfo; |
| semaphoreCreateInfo.flags = 0; |
| |
| VkSemaphore signalSemaphore; |
| DAWN_TRY( |
| CheckVkSuccess(mDevice->fn.CreateSemaphore(mDevice->GetVkDevice(), &semaphoreCreateInfo, |
| nullptr, &*signalSemaphore), |
| "vkCreateSemaphore")); |
| return signalSemaphore; |
| } |
| |
| // Export a VkSemaphore into an external handle |
| ResultOrError<ExternalSemaphoreHandle> ExportSemaphore(VkSemaphore semaphore) override { |
| VkSemaphoreGetZirconHandleInfoFUCHSIA semaphoreGetHandleInfo; |
| semaphoreGetHandleInfo.sType = VK_STRUCTURE_TYPE_SEMAPHORE_GET_ZIRCON_HANDLE_INFO_FUCHSIA; |
| semaphoreGetHandleInfo.pNext = nullptr; |
| semaphoreGetHandleInfo.semaphore = semaphore; |
| semaphoreGetHandleInfo.handleType = |
| VK_EXTERNAL_SEMAPHORE_HANDLE_TYPE_ZIRCON_EVENT_BIT_FUCHSIA; |
| |
| zx_handle_t handle = ZX_HANDLE_INVALID; |
| DAWN_TRY(CheckVkSuccess(mDevice->fn.GetSemaphoreZirconHandleFUCHSIA( |
| mDevice->GetVkDevice(), &semaphoreGetHandleInfo, &handle), |
| "VkSemaphoreGetZirconHandleInfoFUCHSIA")); |
| |
| ASSERT(handle != ZX_HANDLE_INVALID); |
| return handle; |
| } |
| |
| // Duplicate a new external handle from the given one. |
| ExternalSemaphoreHandle DuplicateHandle(ExternalSemaphoreHandle handle) override { |
| zx_handle_t out_handle = ZX_HANDLE_INVALID; |
| zx_status_t status = zx_handle_duplicate(handle, ZX_RIGHT_SAME_RIGHTS, &out_handle); |
| ASSERT(status == ZX_OK); |
| return out_handle; |
| } |
| |
| void ServiceImplementationZirconHandle::CloseHandle(ExternalSemaphoreHandle handle) override { |
| zx_status_t status = zx_handle_close(handle); |
| ASSERT(status == ZX_OK); |
| } |
| |
| private: |
| bool mSupported = false; |
| }; |
| |
| std::unique_ptr<ServiceImplementation> CreateZirconHandleService(Device* device) { |
| return td::make_unique<ServiceImplementationZirconHandle>(device); |
| } |
| bool CheckZirconHandleSupport(const VulkanDeviceInfo& deviceInfo, |
| VkPhysicalDevice physicalDevice, |
| const VulkanFunctions& fn) { |
| return ServiceImplementationZirconHandle::CheckSupport(deviceInfo, physicalDevice, fn); |
| } |
| |
| } // namespace dawn::native::vulkan::external_semaphore |