4 * Functions that didn't fit anywhere else...
6 * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
7 * Written by Pawel W. Olszta, <olszta@sourceforge.net>
8 * Creation date: Thu Dec 9 1999
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:
17 * The above copyright notice and this permission notice shall be included
18 * in all copies or substantial portions of the Software.
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.
28 #include <GL/freeglut.h>
29 #include "freeglut_internal.h"
32 * TODO BEFORE THE STABLE RELEASE:
36 * glutCopyColormap() --
37 * glutSetKeyRepeat() -- this is evil and should be removed from API
40 /* -- INTERFACE FUNCTIONS -------------------------------------------------- */
43 * This functions checks if an OpenGL extension is supported or not
45 * XXX Wouldn't this be simpler and clearer if we used strtok()?
47 int FGAPIENTRY glutExtensionSupported( const char* extension )
49 const char *extensions, *start;
50 const size_t len = strlen( extension );
52 /* Make sure there is a current window, and thus a current context available */
53 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutExtensionSupported" );
54 freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
56 if (strchr(extension, ' '))
58 start = extensions = (const char *) glGetString(GL_EXTENSIONS);
60 /* XXX consider printing a warning to stderr that there's no current
63 freeglut_return_val_if_fail( extensions != NULL, 0 );
66 const char *p = strstr(extensions, extension);
68 return 0; /* not found */
69 /* check that the match isn't a super string */
70 if ((p == start || p[-1] == ' ') && (p[len] == ' ' || p[len] == 0))
72 /* skip the false match and continue */
80 * This function reports all the OpenGL errors that happened till now
82 void FGAPIENTRY glutReportErrors( void )
85 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReportErrors" );
86 while( ( error = glGetError() ) != GL_NO_ERROR )
87 fgWarning( "GL error: %s", gluErrorString( error ) );
91 * Control the auto-repeat of keystrokes to the current window
93 void FGAPIENTRY glutIgnoreKeyRepeat( int ignore )
95 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIgnoreKeyRepeat" );
96 FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIgnoreKeyRepeat" );
98 fgStructure.CurrentWindow->State.IgnoreKeyRepeat = ignore ? GL_TRUE : GL_FALSE;
102 * Set global auto-repeat of keystrokes
104 * RepeatMode should be either:
105 * GLUT_KEY_REPEAT_OFF
107 * GLUT_KEY_REPEAT_DEFAULT
109 void FGAPIENTRY glutSetKeyRepeat( int repeatMode )
111 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetKeyRepeat" );
115 case GLUT_KEY_REPEAT_OFF:
116 case GLUT_KEY_REPEAT_ON:
117 fgState.KeyRepeat = repeatMode;
120 case GLUT_KEY_REPEAT_DEFAULT:
121 fgState.KeyRepeat = GLUT_KEY_REPEAT_ON;
125 fgError ("Invalid glutSetKeyRepeat mode: %d", repeatMode);
131 * Forces the joystick callback to be executed
133 void FGAPIENTRY glutForceJoystickFunc( void )
135 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutForceJoystickFunc" );
136 #if !defined(_WIN32_WCE)
137 freeglut_return_if_fail( fgStructure.CurrentWindow != NULL );
138 freeglut_return_if_fail( FETCH_WCB( *( fgStructure.CurrentWindow ), Joystick ) );
139 fgJoystickPollWindow( fgStructure.CurrentWindow );
140 #endif /* !defined(_WIN32_WCE) */
146 void FGAPIENTRY glutSetColor( int nColor, GLfloat red, GLfloat green, GLfloat blue )
148 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetColor" );
149 /* We really need to do something here. */
155 GLfloat FGAPIENTRY glutGetColor( int color, int component )
157 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetColor" );
158 /* We really need to do something here. */
165 void FGAPIENTRY glutCopyColormap( int window )
167 FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCopyColormap" );
168 /* We really need to do something here. */
171 /*** END OF FILE ***/