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* Copyright 2022 Google LLC
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
#ifndef skgpu_VulkanBackendContext_DEFINED
#define skgpu_VulkanBackendContext_DEFINED
#include "include/gpu/GpuTypes.h"
#include "include/gpu/vk/VulkanMemoryAllocator.h"
#include "include/gpu/vk/VulkanTypes.h"
namespace skgpu {
class VulkanExtensions;
// The VkBackendContext contains all of the base Vk objects needed by the skia Vulkan context.
struct SK_API VulkanBackendContext {
VkInstance fInstance;
VkPhysicalDevice fPhysicalDevice;
VkDevice fDevice;
VkQueue fQueue;
uint32_t fGraphicsQueueIndex;
// The max api version set here should match the value set in VkApplicationInfo::apiVersion when
// then VkInstance was created.
uint32_t fMaxAPIVersion;
const skgpu::VulkanExtensions* fVkExtensions = nullptr;
// The client can create their VkDevice with either a VkPhysicalDeviceFeatures or
// VkPhysicalDeviceFeatures2 struct, thus we have to support taking both. The
// VkPhysicalDeviceFeatures2 struct is needed so we know if the client enabled any extension
// specific features. If fDeviceFeatures2 is not null then we ignore fDeviceFeatures. If both
// fDeviceFeatures and fDeviceFeatures2 are null we will assume no features are enabled.
const VkPhysicalDeviceFeatures* fDeviceFeatures = nullptr;
const VkPhysicalDeviceFeatures2* fDeviceFeatures2 = nullptr;
// Optional. The client may provide an inplementation of a VulkanMemoryAllocator for Skia to use
// for allocating Vulkan resources that use VkDeviceMemory.
sk_sp<VulkanMemoryAllocator> fMemoryAllocator;
skgpu::VulkanGetProc fGetProc;
Protected fProtectedContext;
} // namespace skgpu::graphite
#endif // skgpu_VulkanBackendContext_DEFINED