depthState.h

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// SPDX-License-Identifier: Apache-2.0
// Copyright 2025-2026 Arnis Lektauers
//
// Created by Arnis Lektauers on 09.11.2025.
//
#pragma once
 
#include <cstdint>
 
namespace visutwin::canvas
{
    class DepthState
    {
    public:
        uint32_t key() const { return _key; }
 
        bool depthWrite() const { return _depthWrite; }
        void setDepthWrite(bool value) {
            _depthWrite = value;
            _key = (_depthWrite ? 0u : 1u) | (_depthTest ? 0u : 2u);
        }
 
        bool depthTest() const { return _depthTest; }
        void setDepthTest(bool value) {
            _depthTest = value;
            _key = (_depthWrite ? 0u : 1u) | (_depthTest ? 0u : 2u);
        }

        static DepthState noWrite() {
            DepthState state;
            state.setDepthWrite(false);
            return state;
        }
 
    private:
        uint32_t _key = 0;
        bool _depthWrite = true;
        bool _depthTest = true;
    };
}