103 lines
2.7 KiB
C
103 lines
2.7 KiB
C
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/*
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* Libhydride: A transparent drawable GL layer for your desktop!
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* Copyright (C) 2022 Rebekah Rowe
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <https://www.gnu.org/licenses/>.
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*/
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#include "drawglx.h"
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#include <GL/glx.h>
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#include <X11/extensions/Xfixes.h>
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#include <X11/extensions/shape.h>
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#include <hydride.h>
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#include <stdio.h>
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#include <string.h>
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int event_ShapeNotify;
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int event_ShapeError;
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struct hydride_library hydride_library;
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int preinit_done = 0;
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int hydride_init() {
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memset(&hydride_library, 0, sizeof(struct hydride_library));
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hydride_library.display = XOpenDisplay(NULL);
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if (hydride_library.display == NULL) {
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return -2;
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}
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hydride_library.screen = DefaultScreen(hydride_library.display);
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hydride_library.width = DisplayWidth(hydride_library.display, hydride_library.screen);
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hydride_library.height = DisplayHeight(hydride_library.display, hydride_library.screen);
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if (!XShapeQueryExtension(hydride_library.display, &event_ShapeNotify,
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&event_ShapeError)) {
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return -3;
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}
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if (hydride_glx_init() < 0) {
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return -4;
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}
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if (hydride_glx_create_window() < 0) {
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return -5;
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}
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hydride_library.init = 1;
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return 0;
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}
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void hydride_destroy() {
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XDestroyWindow(hydride_library.display, hydride_library.window);
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XCloseDisplay(hydride_library.display);
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hydride_glx_destroy();
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hydride_library.init = 0;
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}
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void hydride_show() {
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if (hydride_library.mapped == 1)
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return;
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XMapWindow(hydride_library.display, hydride_library.window);
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hydride_library.mapped = 1;
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}
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void hydride_hide() {
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if (hydride_library.mapped == 0)
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return;
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XUnmapWindow(hydride_library.display, hydride_library.window);
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hydride_library.mapped = 0;
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}
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void hydride_draw_begin() {
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if (!hydride_library.init)
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return;
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hydride_library.drawing = 1;
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glXMakeCurrent(hydride_library.display, hydride_library.window,
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glx_state.context);
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glClear(GL_COLOR_BUFFER_BIT);
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}
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void hydride_draw_end() {
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if (!hydride_library.init)
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return;
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glXSwapBuffers(hydride_library.display, hydride_library.window);
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hydride_library.drawing = 0;
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}
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