metalShader.h

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2025-2026 Arnis Lektauers
//
// Created by Arnis Lektauers on 19.10.2025.
//
#pragma once
 
#include <unordered_map>
#include <Metal/Metal.hpp>
#include <Foundation/NSBundle.hpp>
 
#include "platform/graphics/shader.h"
 
namespace visutwin::canvas
{
    class MetalShader : public Shader
    {
    public:
        MetalShader(GraphicsDevice* graphicsDevice, const ShaderDefinition& definition, std::string sourceCode = "");
        ~MetalShader() override;
 
        MTL::Library* getLibrary(MTL::Device* device, const NS::Bundle* bundle, NS::Error** error);
 
    private:
        std::string _sourceCode;
        std::unordered_map<MTL::Device*, MTL::Library*> _libraries;
    };
}