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comparison mupdf-source/thirdparty/freeglut/src/android/fg_window_android.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_window_android.c
3 *
4 * Window management methods for Android
5 *
6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8 * Copied for Platform code by Evan Felix <karcaw at gmail.com>
9 * Copyright (C) 2012 Sylvain Beucler
10 *
11 * Permission is hereby granted, free of charge, to any person obtaining a
12 * copy of this software and associated documentation files (the "Software"),
13 * to deal in the Software without restriction, including without limitation
14 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
15 * and/or sell copies of the Software, and to permit persons to whom the
16 * Software is furnished to do so, subject to the following conditions:
17 *
18 * The above copyright notice and this permission notice shall be included
19 * in all copies or substantial portions of the Software.
20 *
21 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
22 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
23 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
24 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
25 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
26 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
27 */
28
29 #define FREEGLUT_BUILDING_LIB
30 #include <GL/freeglut.h>
31 #include "fg_internal.h"
32 #include "egl/fg_window_egl.h"
33 #include <android/native_app_glue/android_native_app_glue.h>
34
35 /*
36 * Opens a window. Requires a SFG_Window object created and attached
37 * to the freeglut structure. OpenGL context is created here.
38 */
39 void fgPlatformOpenWindow( SFG_Window* window, const char* title,
40 GLboolean positionUse, int x, int y,
41 GLboolean sizeUse, int w, int h,
42 GLboolean gameMode, GLboolean isSubWindow )
43 {
44 /* TODO: only one full-screen window possible? */
45 if (fgDisplay.pDisplay.single_native_window != NULL) {
46 fgWarning("You can't have more than one window on Android");
47 return;
48 }
49
50 /* First, wait until Activity surface is available */
51 /* Normally events are processed through glutMainLoop(), but the
52 user didn't call it yet, and the Android may not have initialized
53 the View yet. So we need to wait for that to happen. */
54 /* We can't return from this function before the OpenGL context is
55 properly made current with a valid surface. So we wait for the
56 surface. */
57 while (fgDisplay.pDisplay.single_native_window == NULL) {
58 /* APP_CMD_INIT_WINDOW will do the job */
59 int ident;
60 int events;
61 struct android_poll_source* source;
62 if ((ident=ALooper_pollOnce(0, NULL, &events, (void**)&source)) >= 0)
63 if (source != NULL) source->process(source->app, source);
64 /* fgPlatformProcessSingleEvent(); */
65 }
66 window->Window.Handle = fgDisplay.pDisplay.single_native_window;
67 window->State.WorkMask |= GLUT_INIT_WORK;
68
69 /* Create context */
70 fghChooseConfig(&window->Window.pContext.egl.Config);
71 window->Window.Context = fghCreateNewContextEGL(window);
72
73 EGLDisplay display = fgDisplay.pDisplay.egl.Display;
74
75 /* EGL_NATIVE_VISUAL_ID is an attribute of the EGLConfig that is
76 * guaranteed to be accepted by ANativeWindow_setBuffersGeometry().
77 * As soon as we picked a EGLConfig, we can safely reconfigure the
78 * ANativeWindow buffers to match, using EGL_NATIVE_VISUAL_ID. */
79 EGLint vid;
80 eglGetConfigAttrib(display, window->Window.pContext.egl.Config,
81 EGL_NATIVE_VISUAL_ID, &vid);
82 ANativeWindow_setBuffersGeometry(window->Window.Handle, 0, 0, vid);
83
84 fghPlatformOpenWindowEGL(window);
85
86 /* Bind context to the current thread if it's lost */
87 if (eglGetCurrentContext() == EGL_NO_CONTEXT &&
88 eglMakeCurrent(fgDisplay.pDisplay.egl.Display,
89 window->Window.pContext.egl.Surface,
90 window->Window.pContext.egl.Surface,
91 window->Window.Context) == EGL_FALSE)
92 fgError("eglMakeCurrent: err=%x\n", eglGetError());
93
94 window->State.Visible = GL_TRUE;
95 }
96
97 /*
98 * Request a window resize
99 */
100 void fgPlatformReshapeWindow ( SFG_Window *window, int width, int height )
101 {
102 fprintf(stderr, "fgPlatformReshapeWindow: STUB\n");
103 }
104
105 /*
106 * Closes a window, destroying the frame and OpenGL context
107 */
108 void fgPlatformCloseWindow( SFG_Window* window )
109 {
110 fghPlatformCloseWindowEGL(window);
111 /* Window pre-created by Android, no way to delete it */
112 }
113
114 /*
115 * This function makes the specified window visible
116 */
117 void fgPlatformShowWindow( void )
118 {
119 fprintf(stderr, "fgPlatformShowWindow: STUB\n");
120 }
121
122 /*
123 * This function hides the specified window
124 */
125 void fgPlatformHideWindow( SFG_Window *window )
126 {
127 fprintf(stderr, "fgPlatformHideWindow: STUB\n");
128 }
129
130 /*
131 * Iconify the specified window (top-level windows only)
132 */
133 void fgPlatformIconifyWindow( SFG_Window *window )
134 {
135 fprintf(stderr, "fgPlatformGlutIconifyWindow: STUB\n");
136 }
137
138 /*
139 * Set the current window's title
140 */
141 void fgPlatformGlutSetWindowTitle( const char* title )
142 {
143 fprintf(stderr, "fgPlatformGlutSetWindowTitle: STUB\n");
144 }
145
146 /*
147 * Set the current window's iconified title
148 */
149 void fgPlatformGlutSetIconTitle( const char* title )
150 {
151 fprintf(stderr, "fgPlatformGlutSetIconTitle: STUB\n");}
152
153 /*
154 * Change the specified window's position
155 */
156 void fgPlatformPositionWindow( SFG_Window *window, int x, int y )
157 {
158 fprintf(stderr, "fgPlatformPositionWindow: STUB\n");
159 }
160
161 /*
162 * Lowers the specified window (by Z order change)
163 */
164 void fgPlatformPushWindow( SFG_Window *window )
165 {
166 fprintf(stderr, "fgPlatformPushWindow: STUB\n");
167 }
168
169 /*
170 * Raises the specified window (by Z order change)
171 */
172 void fgPlatformPopWindow( SFG_Window *window )
173 {
174 fprintf(stderr, "fgPlatformPopWindow: STUB\n");
175 }
176
177 /*
178 * Toggle the window's full screen state.
179 */
180 void fgPlatformFullScreenToggle( SFG_Window *win )
181 {
182 fprintf(stderr, "fgPlatformFullScreenToggle: STUB\n");
183 }