Mercurial > hgrepos > Python2 > PyMuPDF

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

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
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
parents
children
comparison
equal deleted inserted replaced
1:1d09e1dec1d9 2:b50eed0cc0ef
1 /*
2 * fg_display.c
3 *
4 * Display message posting, context buffer swapping.
5 *
6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8 * Creation date: Fri Dec 3 1999
9 *
10 * Permission is hereby granted, free of charge, to any person obtaining a
11 * copy of this software and associated documentation files (the "Software"),
12 * to deal in the Software without restriction, including without limitation
13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
14 * and/or sell copies of the Software, and to permit persons to whom the
15 * Software is furnished to do so, subject to the following conditions:
16 *
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
19 *
20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
26 */
27
28 #include <GL/freeglut.h>
29 #include "fg_internal.h"
30
31
32 /* Function prototypes */
33 extern void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow );
34
35
36 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
37
38 /*
39 * Marks the current window to have the redisplay performed when possible...
40 */
41 void FGAPIENTRY glutPostRedisplay( void )
42 {
43 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostRedisplay" );
44 if ( ! fgStructure.CurrentWindow )
45 {
46 fgError ( " ERROR: Function <%s> called"
47 " with no current window defined.", "glutPostRedisplay" ) ;
48 }
49
50 fgStructure.CurrentWindow->State.WorkMask |= GLUT_DISPLAY_WORK;
51 }
52
53 /*
54 * Swaps the buffers for the current window (if any)
55 */
56 void FGAPIENTRY glutSwapBuffers( void )
57 {
58 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSwapBuffers" );
59 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSwapBuffers" );
60
61 /*
62 * "glXSwapBuffers" already performs an implicit call to "glFlush". What
63 * about "SwapBuffers"?
64 */
65 glFlush( );
66 if( ! fgStructure.CurrentWindow->Window.DoubleBuffered )
67 return;
68
69 fgPlatformGlutSwapBuffers( &fgDisplay.pDisplay, fgStructure.CurrentWindow );
70
71 /* GLUT_FPS env var support */
72 if( fgState.FPSInterval )
73 {
74 GLint t = glutGet( GLUT_ELAPSED_TIME );
75 fgState.SwapCount++;
76 if( fgState.SwapTime == 0 )
77 fgState.SwapTime = t;
78 else if( t - fgState.SwapTime > fgState.FPSInterval )
79 {
80 float time = 0.001f * ( t - fgState.SwapTime );
81 float fps = ( float )fgState.SwapCount / time;
82 fprintf( stderr,
83 "freeglut: %d frames in %.2f seconds = %.2f FPS\n",
84 fgState.SwapCount, time, fps );
85 fgState.SwapTime = t;
86 fgState.SwapCount = 0;
87 }
88 }
89 }
90
91 /*
92 * Mark appropriate window to be displayed
93 */
94 void FGAPIENTRY glutPostWindowRedisplay( int windowID )
95 {
96 SFG_Window* window;
97
98 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );
99 window = fgWindowByID( windowID );
100 freeglut_return_if_fail( window );
101 window->State.WorkMask |= GLUT_DISPLAY_WORK;
102 }
103
104 /*** END OF FILE ***/