shadowRenderer.h

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2025-2026 Arnis Lektauers
//
// Created by Arnis Lektauers on 11.09.2025.
//
#pragma once
 
#include "../camera.h"
#include "../light.h"
 
namespace visutwin::canvas
{
    class LightTextureAtlas;
    class Renderer;
 
    class ShadowRenderer
    {
    public:
        ShadowRenderer(Renderer* renderer, LightTextureAtlas* lightTextureAtlas) : _renderer(renderer), _lightTextureAtlas(lightTextureAtlas) {}
 
        bool needsShadowRendering(Light* light);
 
        Camera* prepareFace(Light* light, Camera* camera, int face);
 
        LightRenderData* getLightRenderData(Light* light, Camera* camera, int face);
 
        void setupRenderPass(RenderPass* renderPass, Camera* shadowCamera, bool clearRenderTarget);
 
        // Creates a shadow camera for a light and sets up its constant properties
        static Camera* createShadowCamera(ShadowType shadowType, LightType type, int face);
 
    private:
        Renderer* _renderer;
        LightTextureAtlas* _lightTextureAtlas;
    };
}