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comparison mupdf-source/thirdparty/freeglut/src/egl/fg_init_egl.c @ 2:b50eed0cc0ef upstream

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ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4. The directory name has changed: no version number in the expanded directory now.
author Franz Glasner <fzglas.hg@dom66.de>
date Mon, 15 Sep 2025 11:43:07 +0200
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1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * fg_init_egl.c
3 *
4 * Various freeglut initialization functions.
5 *
6 * Copyright (C) 2012 Sylvain Beucler
7 *
8 * Permission is hereby granted, free of charge, to any person obtaining a
9 * copy of this software and associated documentation files (the "Software"),
10 * to deal in the Software without restriction, including without limitation
11 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
12 * and/or sell copies of the Software, and to permit persons to whom the
13 * Software is furnished to do so, subject to the following conditions:
14 *
15 * The above copyright notice and this permission notice shall be included
16 * in all copies or substantial portions of the Software.
17 *
18 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
19 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
20 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
21 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
22 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
23 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
24 */
25
26 #define FREEGLUT_BUILDING_LIB
27 #include <GL/freeglut.h>
28 #include "fg_internal.h"
29
30 /*
31 * A call to this function should initialize all the display stuff...
32 */
33 void fghPlatformInitializeEGL()
34 {
35 /* CreateDisplay */
36 /* Using EGL_DEFAULT_DISPLAY, or a specific native display */
37 EGLNativeDisplayType nativeDisplay = EGL_DEFAULT_DISPLAY;
38 fgDisplay.pDisplay.egl.Display = eglGetDisplay(nativeDisplay);
39
40 FREEGLUT_INTERNAL_ERROR_EXIT(fgDisplay.pDisplay.egl.Display != EGL_NO_DISPLAY,
41 "No display available", "fgPlatformInitialize");
42 if (eglInitialize(fgDisplay.pDisplay.egl.Display, &fgDisplay.pDisplay.egl.MajorVersion, &fgDisplay.pDisplay.egl.MinorVersion) != EGL_TRUE)
43 fgError("eglInitialize: error %x\n", eglGetError());
44
45 # ifdef GL_VERSION_1_1 /* or later */
46 eglBindAPI(EGL_OPENGL_API);
47 # else
48 eglBindAPI(EGL_OPENGL_ES_API);
49 # endif
50
51 /* fgDisplay.ScreenWidth = ...; */
52 /* fgDisplay.ScreenHeight = ...; */
53 /* fgDisplay.ScreenWidthMM = ...; */
54 /* fgDisplay.ScreenHeightMM = ...; */
55 }
56
57 void fghPlatformCloseDisplayEGL()
58 {
59 if (fgDisplay.pDisplay.egl.Display != EGL_NO_DISPLAY) {
60 eglTerminate(fgDisplay.pDisplay.egl.Display);
61 fgDisplay.pDisplay.egl.Display = EGL_NO_DISPLAY;
62 fgDisplay.pDisplay.egl.MajorVersion = 0;
63 fgDisplay.pDisplay.egl.MinorVersion = 0;
64 }
65 }
66
67 /**
68 * Destroy a menu context
69 */
70 void fgPlatformDestroyContext ( SFG_PlatformDisplay pDisplay, SFG_WindowContextType MContext )
71 {
72 if (MContext != EGL_NO_CONTEXT)
73 eglDestroyContext(pDisplay.egl.Display, MContext);
74 }