64 lines
1.7 KiB
C++
64 lines
1.7 KiB
C++
// Copyright (c) 2012-2024 Wojciech Figat. All rights reserved.
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#pragma once
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#include "Engine/Graphics/GPUResourceState.h"
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#include "IncludeVulkanHeaders.h"
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#if GRAPHICS_API_VULKAN
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class GPUResource;
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class GPUContextVulkan;
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/// <summary>
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/// Vulkan resource state used to indicate invalid state (useful for debugging resource tracking issues).
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/// </summary>
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#define VK_IMAGE_LAYOUT_CORRUPT VK_IMAGE_LAYOUT_MAX_ENUM
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/// <summary>
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/// Tracking of per-resource or per-subresource state for Vulkan resources that require to issue resource access barriers during rendering.
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/// </summary>
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class ResourceStateVulkan : public GPUResourceState<VkImageLayout, VK_IMAGE_LAYOUT_CORRUPT>
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{
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};
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/// <summary>
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/// Base class for objects in Vulkan backend that can own a resource.
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/// </summary>
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class ResourceOwnerVulkan
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{
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friend GPUContextVulkan;
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public:
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virtual ~ResourceOwnerVulkan()
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{
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}
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public:
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/// <summary>
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/// The resource state tracking helper. Used for resource barriers.
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/// </summary>
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ResourceStateVulkan State;
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/// <summary>
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/// The array size (for textures).
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/// </summary>
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int32 ArraySlices;
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public:
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/// <summary>
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/// Gets resource owner object as a GPUResource type or returns null if cannot perform cast.
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/// </summary>
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/// <returns>GPU Resource or null if cannot cast.</returns>
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virtual GPUResource* AsGPUResource() const = 0;
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protected:
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void initResource(VkImageLayout initialState, int32 mipLevels = 1, int32 arraySize = 1, bool usePerSubresourceTracking = false)
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{
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State.Initialize(mipLevels * arraySize, initialState, usePerSubresourceTracking);
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ArraySlices = arraySize;
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}
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};
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#endif
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