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818001d32e
Bug: dawn:1275 Change-Id: Ic60a00107a015bc677ff929c492f1085ffc38482 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/79083 Reviewed-by: Corentin Wallez <cwallez@chromium.org> Commit-Queue: Ben Clayton <bclayton@chromium.org>
79 lines
3.0 KiB
C++
79 lines
3.0 KiB
C++
// Copyright 2019 The Dawn Authors
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef DAWNNATIVE_VULKAN_EXTERNALMEMORY_SERVICE_H_
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#define DAWNNATIVE_VULKAN_EXTERNALMEMORY_SERVICE_H_
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#include "dawn/common/vulkan_platform.h"
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#include "dawn/native/Error.h"
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#include "dawn/native/VulkanBackend.h"
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#include "dawn/native/vulkan/ExternalHandle.h"
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namespace dawn::native::vulkan {
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class Device;
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struct VulkanDeviceInfo;
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} // namespace dawn::native::vulkan
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namespace dawn::native { namespace vulkan::external_memory {
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struct MemoryImportParams {
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VkDeviceSize allocationSize;
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uint32_t memoryTypeIndex;
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};
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class Service {
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public:
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explicit Service(Device* device);
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~Service();
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static bool CheckSupport(const VulkanDeviceInfo& deviceInfo);
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// True if the device reports it supports importing external memory.
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bool SupportsImportMemory(VkFormat format,
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VkImageType type,
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VkImageTiling tiling,
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VkImageUsageFlags usage,
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VkImageCreateFlags flags);
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// True if the device reports it supports creating VkImages from external memory.
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bool SupportsCreateImage(const ExternalImageDescriptor* descriptor,
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VkFormat format,
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VkImageUsageFlags usage,
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bool* supportsDisjoint);
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// Returns the parameters required for importing memory
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ResultOrError<MemoryImportParams> GetMemoryImportParams(
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const ExternalImageDescriptor* descriptor,
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VkImage image);
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// Given an external handle pointing to memory, import it into a VkDeviceMemory
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ResultOrError<VkDeviceMemory> ImportMemory(ExternalMemoryHandle handle,
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const MemoryImportParams& importParams,
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VkImage image);
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// Create a VkImage for the given handle type
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ResultOrError<VkImage> CreateImage(const ExternalImageDescriptor* descriptor,
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const VkImageCreateInfo& baseCreateInfo);
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private:
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Device* mDevice = nullptr;
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// True if early checks pass that determine if the service is supported
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bool mSupported = false;
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};
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}} // namespace dawn::native::vulkan::external_memory
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#endif // DAWNNATIVE_VULKAN_EXTERNALMEMORY_SERVICE_H_
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