Mercurial > hgrepos > Python2 > PyMuPDF

annotate mupdf-source/thirdparty/freeglut/src/fg_display.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 /*
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2 * fg_display.c
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3 *
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4 * Display message posting, context buffer swapping.
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5 *
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6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
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7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
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8 * Creation date: Fri Dec 3 1999
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9 *
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10 * Permission is hereby granted, free of charge, to any person obtaining a
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11 * copy of this software and associated documentation files (the "Software"),
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12 * to deal in the Software without restriction, including without limitation
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13 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
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14 * and/or sell copies of the Software, and to permit persons to whom the
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15 * Software is furnished to do so, subject to the following conditions:
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16 *
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17 * The above copyright notice and this permission notice shall be included
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18 * in all copies or substantial portions of the Software.
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19 *
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20 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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21 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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22 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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23 * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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24 * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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25 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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26 */
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28 #include <GL/freeglut.h>
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29 #include "fg_internal.h"
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32 /* Function prototypes */
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33 extern void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow );
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36 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
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38 /*
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39 * Marks the current window to have the redisplay performed when possible...
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40 */
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41 void FGAPIENTRY glutPostRedisplay( void )
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42 {
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43 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostRedisplay" );
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44 if ( ! fgStructure.CurrentWindow )
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45 {
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46 fgError ( " ERROR: Function <%s> called"
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47 " with no current window defined.", "glutPostRedisplay" ) ;
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48 }
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49
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50 fgStructure.CurrentWindow->State.WorkMask |= GLUT_DISPLAY_WORK;
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51 }
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53 /*
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54 * Swaps the buffers for the current window (if any)
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55 */
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56 void FGAPIENTRY glutSwapBuffers( void )
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57 {
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58 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSwapBuffers" );
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59 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSwapBuffers" );
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61 /*
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62 * "glXSwapBuffers" already performs an implicit call to "glFlush". What
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63 * about "SwapBuffers"?
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64 */
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65 glFlush( );
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66 if( ! fgStructure.CurrentWindow->Window.DoubleBuffered )
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67 return;
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69 fgPlatformGlutSwapBuffers( &fgDisplay.pDisplay, fgStructure.CurrentWindow );
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71 /* GLUT_FPS env var support */
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72 if( fgState.FPSInterval )
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73 {
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74 GLint t = glutGet( GLUT_ELAPSED_TIME );
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75 fgState.SwapCount++;
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76 if( fgState.SwapTime == 0 )
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77 fgState.SwapTime = t;
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78 else if( t - fgState.SwapTime > fgState.FPSInterval )
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79 {
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80 float time = 0.001f * ( t - fgState.SwapTime );
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81 float fps = ( float )fgState.SwapCount / time;
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82 fprintf( stderr,
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83 "freeglut: %d frames in %.2f seconds = %.2f FPS\n",
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84 fgState.SwapCount, time, fps );
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85 fgState.SwapTime = t;
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86 fgState.SwapCount = 0;
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87 }
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88 }
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89 }
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90
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91 /*
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92 * Mark appropriate window to be displayed
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93 */
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94 void FGAPIENTRY glutPostWindowRedisplay( int windowID )
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95 {
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96 SFG_Window* window;
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98 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );
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Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
99 window = fgWindowByID( windowID );
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
100 freeglut_return_if_fail( window );
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
101 window->State.WorkMask |= GLUT_DISPLAY_WORK;
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
102 }
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
103
b50eed0cc0ef ADD: MuPDF v1.26.7: the MuPDF source as downloaded by a default build of PyMuPDF 1.26.4.
Franz Glasner <fzglas.hg@dom66.de>
parents:
diff changeset
104 /*** END OF FILE ***/