diff options
Diffstat (limited to 'include/resources/image.h')
-rw-r--r-- | include/resources/image.h | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/include/resources/image.h b/include/resources/image.h new file mode 100644 index 0000000..391c023 --- /dev/null +++ b/include/resources/image.h @@ -0,0 +1,71 @@ +#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
\ No newline at end of file |