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Cross-platform base for C++ UI apps
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State.h
    1/*
    2 * AUI Framework - Declarative UI toolkit for modern C++20
    3 * Copyright (C) 2020-2025 Alex2772 and Contributors
    4 *
    5 * SPDX-License-Identifier: MPL-2.0
    6 *
    7 * This Source Code Form is subject to the terms of the Mozilla Public
    8 * License, v. 2.0. If a copy of the MPL was not distributed with this
    9 * file, You can obtain one at http://mozilla.org/MPL/2.0/.
   10 */
   11
   12//
   13// Created by alex2772 on 30.07.2018.
   14//
   15
   16#pragma once
   17
   18#include <tuple>
   19#include <cstdint>
   20#include "gl.h"
   21#include "AUI/Views.h"
   22
   23
   24// comment this define in order to debug state machine cache failures
   25#define SO_STATE
   26
   27namespace gl {
   31    class API_AUI_VIEWS State {
   32    private:
   33        State();
   34        ~State();
   35        State(const State&) = delete;
   36        template <int K, typename F, typename... Args>
   37        inline static void impl(F functor, Args... args) {
   38#ifdef SO_STATE
   39            static std::tuple<Args...> prevState;
   40            std::tuple<Args...> state(args...);
   41            if (prevState != state) {
   42                prevState = state;
   43                functor(args...);
   44            }
   45#else
   46            functor(args...);
   47#endif
   48        };
   49    public:
   50        static void bindTexture(GLenum mode, GLuint texture);
   51        static void activeTexture(uint8_t index);
   52        static void useProgram(GLuint program);
   53        static void bindFramebuffer(GLenum type, GLuint framebuffer);
   54        static void bindVertexArray(GLuint handle);
   55    };
   56}
   57
   58

© 2025 AUI Framework Contributors. Documentation contributions included herein are the copyrights of their respective owners. The documentation provided herein is licensed under the terms of the GNU Free Documentation License version 1.3 as published by the Free Software Foundation. All trademarks are property of their respective owners.