ShaderAsset.h

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#pragma once
#include "common/Export.h"
 
#include "common/ResourceRef.h"
#include "common/Value.h"
 
#include <cstdint>
#include <string>
#include <vector>
 
namespace eve::asset {
 
class EvpackResourceReader;
struct EvpackCapabilities;
 
enum class ShaderAssetInterface { Sprite2D, Mesh3D };
 
struct ShaderAssetParameter {
    std::string        name;
    std::vector<float> defaults;
};
 
struct ShaderAsset {
    ShaderAssetInterface              interface = ShaderAssetInterface::Mesh3D;
    std::vector<std::uint32_t>        vertex;
    std::vector<std::uint32_t>        fragment;
    std::vector<ShaderAssetParameter> parameters;
};
 
struct ShaderAssetLimits {
    std::uint32_t maximumStageWords = 262144;
};
 
[[nodiscard]] EVENGINE_API_FOUNDATION Result<ShaderAsset> decodeShaderAsset(const Value&             definition,
                                                                            const ShaderAssetLimits& limits = {});
 
[[nodiscard]] EVENGINE_API_FOUNDATION Result<ShaderAsset> loadShaderAsset(const EvpackResourceReader& reader,
                                                                          const AssetRef&             asset,
                                                                          const EvpackCapabilities&   capabilities);
 
}  // namespace eve::asset