74 lines
1.2 KiB
C++
74 lines
1.2 KiB
C++
#pragma once
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#include <assets/metadata.hpp>
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namespace lt::assets {
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class ShaderAsset
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{
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public:
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static constexpr auto asset_type_identifier = Type_T { "SHADER_________" };
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enum class BlobTag : Tag_T
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{
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code,
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};
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enum class Type : uint8_t
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{
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vertex,
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fragment,
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geometry,
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compute,
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};
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struct Metadata
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{
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Type type;
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};
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static void pack(
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const std::filesystem::path &destination,
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AssetMetadata asset_metadata,
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Metadata metadata,
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Blob code_blob
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);
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ShaderAsset(const std::filesystem::path &path);
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void unpack_to(BlobTag tag, std::span<std::byte> destination) const;
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[[nodiscard]] auto unpack(BlobTag tag) const -> Blob;
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[[nodiscard]] auto get_asset_metadata() const -> const AssetMetadata &
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{
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return m_asset_metadata;
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}
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[[nodiscard]] auto get_metadata() const -> const Metadata &
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{
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return m_metadata;
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}
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[[nodiscard]] auto get_blob_metadata(BlobTag tag) const -> const BlobMetadata &
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{
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ensure(
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tag == BlobTag::code,
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"Invalid blob tag for shader asset: {}",
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std::to_underlying(tag)
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);
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return m_code_blob_metadata;
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}
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private:
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AssetMetadata m_asset_metadata {};
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Metadata m_metadata {};
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BlobMetadata m_code_blob_metadata {};
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mutable std::ifstream m_stream;
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};
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} // namespace lt::assets
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