vulkanTexture.h

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2025-2026 Arnis Lektauers
//
// Vulkan texture implementation — VkImage + VkImageView + VkSampler.
//
#pragma once
 
#ifdef VISUTWIN_HAS_VULKAN
 
#include <vulkan/vulkan.h>
#include <vk_mem_alloc.h>
 
#include "platform/graphics/gpu.h"
#include "platform/graphics/constants.h"
 
namespace visutwin::canvas
{
    class GraphicsDevice;
    class Texture;
    class VulkanGraphicsDevice;
}
 
namespace visutwin::canvas::gpu
{
    class VulkanTexture : public HardwareTexture
    {
    public:
        explicit VulkanTexture(Texture* owner);
        ~VulkanTexture() override;
 
        void uploadImmediate(GraphicsDevice* device) override;
        void propertyChanged(uint32_t flag) override;
 
        [[nodiscard]] VkImage image() const { return _image; }
        [[nodiscard]] VkImageView imageView() const { return _imageView; }
        [[nodiscard]] VkSampler sampler() const { return _sampler; }
 
    private:
        void createSampler(VulkanGraphicsDevice* device);
 
        Texture* _owner = nullptr;
        VkDevice _vkDevice = VK_NULL_HANDLE;
        VmaAllocator _allocator = VK_NULL_HANDLE;
        VkImage _image = VK_NULL_HANDLE;
        VmaAllocation _allocation = VK_NULL_HANDLE;
        VkImageView _imageView = VK_NULL_HANDLE;
        VkSampler _sampler = VK_NULL_HANDLE;
    };
}
 
#endif // VISUTWIN_HAS_VULKAN