| // 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. |
| |
| #ifndef SRC_DAWN_NATIVE_VULKAN_EXTERNAL_MEMORY_SERVICEIMPLEMENTATION_H_ |
| #define SRC_DAWN_NATIVE_VULKAN_EXTERNAL_MEMORY_SERVICEIMPLEMENTATION_H_ |
| |
| #include "dawn/common/vulkan_platform.h" |
| #include "dawn/native/Error.h" |
| #include "dawn/native/VulkanBackend.h" |
| #include "dawn/native/vulkan/ExternalHandle.h" |
| #include "dawn/native/vulkan/external_memory/MemoryImportParams.h" |
| |
| namespace dawn::native::vulkan { |
| class Device; |
| struct VulkanDeviceInfo; |
| } // namespace dawn::native::vulkan |
| |
| namespace dawn::native::vulkan::external_memory { |
| |
| class ServiceImplementation { |
| public: |
| explicit ServiceImplementation(Device* device); |
| virtual ~ServiceImplementation(); |
| |
| // True if the device reports it supports importing external memory. |
| virtual bool SupportsImportMemory(VkFormat format, |
| VkImageType type, |
| VkImageTiling tiling, |
| VkImageUsageFlags usage, |
| VkImageCreateFlags flags) = 0; |
| |
| // True if the device reports it supports creating VkImages from external memory. |
| virtual bool SupportsCreateImage(const ExternalImageDescriptor* descriptor, |
| VkFormat format, |
| VkImageUsageFlags usage, |
| bool* supportsDisjoint) = 0; |
| |
| // Returns the parameters required for importing memory |
| virtual ResultOrError<MemoryImportParams> GetMemoryImportParams( |
| const ExternalImageDescriptor* descriptor, |
| VkImage image) = 0; |
| |
| // Returns the index of the queue memory from this services should be exported with. |
| virtual uint32_t GetQueueFamilyIndex() = 0; |
| |
| // Given an external handle pointing to memory, import it into a VkDeviceMemory |
| virtual ResultOrError<VkDeviceMemory> ImportMemory(ExternalMemoryHandle handle, |
| const MemoryImportParams& importParams, |
| VkImage image) = 0; |
| |
| // Create a VkImage for the given handle type |
| virtual ResultOrError<VkImage> CreateImage(const ExternalImageDescriptor* descriptor, |
| const VkImageCreateInfo& baseCreateInfo) = 0; |
| |
| // True if the device reports it supports this feature |
| virtual bool Supported() const = 0; |
| |
| protected: |
| bool RequiresDedicatedAllocation(const ExternalImageDescriptorVk* descriptor, |
| VkImage image) const; |
| |
| Device* mDevice = nullptr; |
| }; |
| |
| } // namespace dawn::native::vulkan::external_memory |
| |
| #endif // SRC_DAWN_NATIVE_VULKAN_EXTERNAL_MEMORY_SERVICEIMPLEMENTATION_H_ |