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#pragma once
#include <unordered_map>
#include <vk_mem_alloc.h>
#include <vulkan/vulkan_core.h>
namespace iris {
enum struct ImageType {
Texture1D,
Texture1DArray,
Texture2D,
Texture2DArray,
Texture3D,
TextureCube,
TextureCubeArray,
};
struct ImageDesc {
ImageType image_type;
VkImageUsageFlags image_usage;
VkImageCreateFlags create_flags;
VmaAllocationCreateFlags alloc_flags;
VkFormat format;
VkExtent3D extent;
uint32_t mip_levels;
uint32_t array_layers;
};
struct ImageViewDesc {
VkImageViewType view_type;
VkFormat format;
VkImageAspectFlags aspect_mask;
uint32_t base_mip_level;
uint32_t mip_levels;
uint32_t base_array_layer;
uint32_t array_layers;
bool operator==(const ImageViewDesc& other) const = default;
};
struct ImageViewDescHash {
std::size_t operator()(const ImageViewDesc& desc) const noexcept {
auto h = std::hash<int>{}(desc.view_type);
h ^= std::hash<int>{}(desc.format) + 0x9e3779b9 + (h << 6) + (h >> 2);
h ^= std::hash<int>{}(desc.aspect_mask) + 0x9e3779b9 + (h << 6) + (h >> 2);
h ^= std::hash<int>{}(desc.base_mip_level) + 0x9e3779b9 + (h << 6) + (h >> 2);
h ^= std::hash<int>{}(desc.mip_levels) + 0x9e3779b9 + (h << 6) + (h >> 2);
h ^= std::hash<int>{}(desc.base_array_layer) + 0x9e3779b9 + (h << 6) + (h >> 2);
h ^= std::hash<int>{}(desc.array_layers) + 0x9e3779b9 + (h << 6) + (h >> 2);
return h;
}
};
struct Image_tt {
VkImage handle;
ImageDesc desc;
// Used during release
VkDevice device;
VmaAllocator allocator;
VmaAllocation allocation;
// store all the image views
std::unordered_map<ImageViewDesc, VkImageView, ImageViewDescHash> image_views;
VkImageView get_image_view(const ImageViewDesc &desc);
void release();
};
} // namespace iris
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