58 lines
2.7 KiB
C++
58 lines
2.7 KiB
C++
/*
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* Copyright 2022 Google LLC
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*
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#ifndef skgpu_VulkanBackendContext_DEFINED
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#define skgpu_VulkanBackendContext_DEFINED
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#include "include/core/SkRefCnt.h"
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#include "include/gpu/GpuTypes.h"
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#include "include/gpu/vk/VulkanMemoryAllocator.h"
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#include "include/gpu/vk/VulkanTypes.h"
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#include "include/private/base/SkAPI.h"
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#include "include/private/gpu/vk/SkiaVulkan.h"
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#include <cstdint>
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namespace skgpu {
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class VulkanExtensions;
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// The VkBackendContext contains all of the base Vk objects needed by the skia Vulkan context.
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struct SK_API VulkanBackendContext {
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VkInstance fInstance = VK_NULL_HANDLE;
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VkPhysicalDevice fPhysicalDevice = VK_NULL_HANDLE;
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VkDevice fDevice = VK_NULL_HANDLE;
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VkQueue fQueue = VK_NULL_HANDLE;
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uint32_t fGraphicsQueueIndex = 0;
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// The max api version set here should match the value set in VkApplicationInfo::apiVersion when
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// then VkInstance was created. Skia requires Vulkan 1.1 as the minimum version.
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uint32_t fMaxAPIVersion = 0;
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const skgpu::VulkanExtensions* fVkExtensions = nullptr;
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// The client can create their VkDevice with either a VkPhysicalDeviceFeatures or
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// VkPhysicalDeviceFeatures2 struct, thus we have to support taking both. The
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// VkPhysicalDeviceFeatures2 struct is needed so we know if the client enabled any extension
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// specific features. If fDeviceFeatures2 is not null then we ignore fDeviceFeatures. If both
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// fDeviceFeatures and fDeviceFeatures2 are null we will assume no features are enabled.
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const VkPhysicalDeviceFeatures* fDeviceFeatures = nullptr;
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const VkPhysicalDeviceFeatures2* fDeviceFeatures2 = nullptr;
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// The client must provide an inplementation of a VulkanMemoryAllocator for Skia to use
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// for allocating Vulkan resources that use VkDeviceMemory.
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sk_sp<VulkanMemoryAllocator> fMemoryAllocator;
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skgpu::VulkanGetProc fGetProc;
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Protected fProtectedContext = Protected::kNo;
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// Optional callback which will be invoked if a VK_ERROR_DEVICE_LOST error code is received from
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// the driver. Debug information from the driver will be provided to the callback if the
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// VK_EXT_device_fault extension is supported and enabled (VkPhysicalDeviceFaultFeaturesEXT must
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// be in the pNext chain of VkDeviceCreateInfo).
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skgpu::VulkanDeviceLostContext fDeviceLostContext = nullptr;
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skgpu::VulkanDeviceLostProc fDeviceLostProc = nullptr;
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};
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} // namespace skgpu
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#endif // skgpu_VulkanBackendContext_DEFINED
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