+++ /dev/null
-/*
- * freeglut_misc.c
- *
- * Functions that didn't fit anywhere else...
- *
- * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
- * Written by Pawel W. Olszta, <olszta@sourceforge.net>
- * Creation date: Thu Dec 9 1999
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice shall be included
- * in all copies or substantial portions of the Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
- * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
- * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
- * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
- */
-
-#include <GL/freeglut.h>
-#include "freeglut_internal.h"
-
-/*
- * TODO BEFORE THE STABLE RELEASE:
- *
- * glutSetColor() --
- * glutGetColor() --
- * glutCopyColormap() --
- * glutSetKeyRepeat() -- this is evil and should be removed from API
- */
-
-/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
-
-/*
- * This functions checks if an OpenGL extension is supported or not
- *
- * XXX Wouldn't this be simpler and clearer if we used strtok()?
- */
-int FGAPIENTRY glutExtensionSupported( const char* extension )
-{
- const char *extensions, *start;
- const size_t len = strlen( extension );
-
- /* Make sure there is a current window, and thus a current context available */
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutExtensionSupported" );
- freeglut_return_val_if_fail( fgStructure.CurrentWindow != NULL, 0 );
-
- if (strchr(extension, ' '))
- return 0;
- start = extensions = (const char *) glGetString(GL_EXTENSIONS);
-
- /* XXX consider printing a warning to stderr that there's no current
- * rendering context.
- */
- freeglut_return_val_if_fail( extensions != NULL, 0 );
-
- while (1) {
- const char *p = strstr(extensions, extension);
- if (!p)
- return 0; /* not found */
- /* check that the match isn't a super string */
- if ((p == start || p[-1] == ' ') && (p[len] == ' ' || p[len] == 0))
- return 1;
- /* skip the false match and continue */
- extensions = p + len;
- }
-
- return 0 ;
-}
-
-#ifndef GL_INVALID_FRAMEBUFFER_OPERATION
-#ifdef GL_INVALID_FRAMEBUFFER_OPERATION_EXT
-#define GL_INVALID_FRAMEBUFFER_OPERATION GL_INVALID_FRAMEBUFFER_OPERATION_EXT
-#else
-#define GL_INVALID_FRAMEBUFFER_OPERATION 0x0506
-#endif
-#endif
-
-#ifndef GL_TABLE_TOO_LARGE
-#ifdef GL_TABLE_TOO_LARGE_EXT
-#define GL_TABLE_TOO_LARGE GL_TABLE_TOO_LARGE_EXT
-#else
-#define GL_TABLE_TOO_LARGE 0x8031
-#endif
-#endif
-
-#ifndef GL_TEXTURE_TOO_LARGE
-#ifdef GL_TEXTURE_TOO_LARGE_EXT
-#define GL_TEXTURE_TOO_LARGE GL_TEXTURE_TOO_LARGE_EXT
-#else
-#define GL_TEXTURE_TOO_LARGE 0x8065
-#endif
-#endif
-
-/*
- * A cut-down local version of gluErrorString to avoid depending on GLU.
- */
-static const char* fghErrorString( GLenum error )
-{
- switch ( error ) {
- case GL_INVALID_ENUM: return "invalid enumerant";
- case GL_INVALID_VALUE: return "invalid value";
- case GL_INVALID_OPERATION: return "invalid operation";
- case GL_STACK_OVERFLOW: return "stack overflow";
- case GL_STACK_UNDERFLOW: return "stack underflow";
- case GL_OUT_OF_MEMORY: return "out of memory";
- case GL_TABLE_TOO_LARGE: return "table too large";
- case GL_INVALID_FRAMEBUFFER_OPERATION: return "invalid framebuffer operation";
- case GL_TEXTURE_TOO_LARGE: return "texture too large";
- default: return "unknown GL error";
- }
-}
-
-/*
- * This function reports all the OpenGL errors that happened till now
- */
-void FGAPIENTRY glutReportErrors( void )
-{
- GLenum error;
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutReportErrors" );
- while( ( error = glGetError() ) != GL_NO_ERROR )
- fgWarning( "GL error: %s", fghErrorString( error ) );
-}
-
-/*
- * Control the auto-repeat of keystrokes to the current window
- */
-void FGAPIENTRY glutIgnoreKeyRepeat( int ignore )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutIgnoreKeyRepeat" );
- FREEGLUT_EXIT_IF_NO_WINDOW ( "glutIgnoreKeyRepeat" );
-
- fgStructure.CurrentWindow->State.IgnoreKeyRepeat = ignore ? GL_TRUE : GL_FALSE;
-}
-
-/*
- * Set global auto-repeat of keystrokes
- *
- * RepeatMode should be either:
- * GLUT_KEY_REPEAT_OFF
- * GLUT_KEY_REPEAT_ON
- * GLUT_KEY_REPEAT_DEFAULT
- */
-void FGAPIENTRY glutSetKeyRepeat( int repeatMode )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetKeyRepeat" );
-
- switch( repeatMode )
- {
- case GLUT_KEY_REPEAT_OFF:
- case GLUT_KEY_REPEAT_ON:
- fgState.KeyRepeat = repeatMode;
- break;
-
- case GLUT_KEY_REPEAT_DEFAULT:
- fgState.KeyRepeat = GLUT_KEY_REPEAT_ON;
- break;
-
- default:
- fgError ("Invalid glutSetKeyRepeat mode: %d", repeatMode);
- break;
- }
-}
-
-/*
- * Forces the joystick callback to be executed
- */
-void FGAPIENTRY glutForceJoystickFunc( void )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutForceJoystickFunc" );
-#if !defined(_WIN32_WCE)
- freeglut_return_if_fail( fgStructure.CurrentWindow != NULL );
- freeglut_return_if_fail( FETCH_WCB( *( fgStructure.CurrentWindow ), Joystick ) );
- fgJoystickPollWindow( fgStructure.CurrentWindow );
-#endif /* !defined(_WIN32_WCE) */
-}
-
-/*
- *
- */
-void FGAPIENTRY glutSetColor( int nColor, GLfloat red, GLfloat green, GLfloat blue )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSetColor" );
- /* We really need to do something here. */
-}
-
-/*
- *
- */
-GLfloat FGAPIENTRY glutGetColor( int color, int component )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetColor" );
- /* We really need to do something here. */
- return( 0.0f );
-}
-
-/*
- *
- */
-void FGAPIENTRY glutCopyColormap( int window )
-{
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutCopyColormap" );
- /* We really need to do something here. */
-}
-
-/*** END OF FILE ***/
projects / freeglut / blobdiff