freeglut_ext.c
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上传日期:2022-01-07
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文件大小:8k
- /*
- * freeglut_ext.c
- *
- * Functions related to OpenGL extensions.
- *
- * 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.
- */
- #define GLX_GLXEXT_PROTOTYPES
- #include <GL/freeglut.h>
- #include "freeglut_internal.h"
- static GLUTproc fghGetGLUTProcAddress( const char* procName )
- {
- /* optimization: quick initial check */
- if( strncmp( procName, "glut", 4 ) != 0 )
- return NULL;
- #define CHECK_NAME(x) if( strcmp( procName, #x ) == 0) return (GLUTproc)x;
- CHECK_NAME(glutInit);
- CHECK_NAME(glutInitDisplayMode);
- CHECK_NAME(glutInitDisplayString);
- CHECK_NAME(glutInitWindowPosition);
- CHECK_NAME(glutInitWindowSize);
- CHECK_NAME(glutMainLoop);
- CHECK_NAME(glutExit);
- CHECK_NAME(glutCreateWindow);
- CHECK_NAME(glutCreateSubWindow);
- CHECK_NAME(glutDestroyWindow);
- CHECK_NAME(glutPostRedisplay);
- CHECK_NAME(glutPostWindowRedisplay);
- CHECK_NAME(glutSwapBuffers);
- CHECK_NAME(glutGetWindow);
- CHECK_NAME(glutSetWindow);
- CHECK_NAME(glutSetWindowTitle);
- CHECK_NAME(glutSetIconTitle);
- CHECK_NAME(glutPositionWindow);
- CHECK_NAME(glutReshapeWindow);
- CHECK_NAME(glutPopWindow);
- CHECK_NAME(glutPushWindow);
- CHECK_NAME(glutIconifyWindow);
- CHECK_NAME(glutShowWindow);
- CHECK_NAME(glutHideWindow);
- CHECK_NAME(glutFullScreen);
- CHECK_NAME(glutSetCursor);
- CHECK_NAME(glutWarpPointer);
- CHECK_NAME(glutEstablishOverlay);
- CHECK_NAME(glutRemoveOverlay);
- CHECK_NAME(glutUseLayer);
- CHECK_NAME(glutPostOverlayRedisplay);
- CHECK_NAME(glutPostWindowOverlayRedisplay);
- CHECK_NAME(glutShowOverlay);
- CHECK_NAME(glutHideOverlay);
- CHECK_NAME(glutCreateMenu);
- CHECK_NAME(glutDestroyMenu);
- CHECK_NAME(glutGetMenu);
- CHECK_NAME(glutSetMenu);
- CHECK_NAME(glutAddMenuEntry);
- CHECK_NAME(glutAddSubMenu);
- CHECK_NAME(glutChangeToMenuEntry);
- CHECK_NAME(glutChangeToSubMenu);
- CHECK_NAME(glutRemoveMenuItem);
- CHECK_NAME(glutAttachMenu);
- CHECK_NAME(glutDetachMenu);
- CHECK_NAME(glutDisplayFunc);
- CHECK_NAME(glutReshapeFunc);
- CHECK_NAME(glutKeyboardFunc);
- CHECK_NAME(glutMouseFunc);
- CHECK_NAME(glutMotionFunc);
- CHECK_NAME(glutPassiveMotionFunc);
- CHECK_NAME(glutEntryFunc);
- CHECK_NAME(glutVisibilityFunc);
- CHECK_NAME(glutIdleFunc);
- CHECK_NAME(glutTimerFunc);
- CHECK_NAME(glutMenuStateFunc);
- CHECK_NAME(glutSpecialFunc);
- CHECK_NAME(glutSpaceballMotionFunc);
- CHECK_NAME(glutSpaceballRotateFunc);
- CHECK_NAME(glutSpaceballButtonFunc);
- CHECK_NAME(glutButtonBoxFunc);
- CHECK_NAME(glutDialsFunc);
- CHECK_NAME(glutTabletMotionFunc);
- CHECK_NAME(glutTabletButtonFunc);
- CHECK_NAME(glutMenuStatusFunc);
- CHECK_NAME(glutOverlayDisplayFunc);
- CHECK_NAME(glutWindowStatusFunc);
- CHECK_NAME(glutKeyboardUpFunc);
- CHECK_NAME(glutSpecialUpFunc);
- #if !defined(_WIN32_WCE)
- CHECK_NAME(glutJoystickFunc);
- #endif /* !defined(_WIN32_WCE) */
- CHECK_NAME(glutSetColor);
- CHECK_NAME(glutGetColor);
- CHECK_NAME(glutCopyColormap);
- CHECK_NAME(glutGet);
- CHECK_NAME(glutDeviceGet);
- CHECK_NAME(glutExtensionSupported);
- CHECK_NAME(glutGetModifiers);
- CHECK_NAME(glutLayerGet);
- CHECK_NAME(glutBitmapCharacter);
- CHECK_NAME(glutBitmapWidth);
- CHECK_NAME(glutStrokeCharacter);
- CHECK_NAME(glutStrokeWidth);
- CHECK_NAME(glutBitmapLength);
- CHECK_NAME(glutStrokeLength);
- CHECK_NAME(glutWireSphere);
- CHECK_NAME(glutSolidSphere);
- CHECK_NAME(glutWireCone);
- CHECK_NAME(glutSolidCone);
- CHECK_NAME(glutWireCube);
- CHECK_NAME(glutSolidCube);
- CHECK_NAME(glutWireTorus);
- CHECK_NAME(glutSolidTorus);
- CHECK_NAME(glutWireDodecahedron);
- CHECK_NAME(glutSolidDodecahedron);
- CHECK_NAME(glutWireTeapot);
- CHECK_NAME(glutSolidTeapot);
- CHECK_NAME(glutWireOctahedron);
- CHECK_NAME(glutSolidOctahedron);
- CHECK_NAME(glutWireTetrahedron);
- CHECK_NAME(glutSolidTetrahedron);
- CHECK_NAME(glutWireIcosahedron);
- CHECK_NAME(glutSolidIcosahedron);
- CHECK_NAME(glutVideoResizeGet);
- CHECK_NAME(glutSetupVideoResizing);
- CHECK_NAME(glutStopVideoResizing);
- CHECK_NAME(glutVideoResize);
- CHECK_NAME(glutVideoPan);
- CHECK_NAME(glutReportErrors);
- CHECK_NAME(glutIgnoreKeyRepeat);
- CHECK_NAME(glutSetKeyRepeat);
- #if !defined(_WIN32_WCE)
- CHECK_NAME(glutForceJoystickFunc);
- CHECK_NAME(glutGameModeString);
- CHECK_NAME(glutEnterGameMode);
- CHECK_NAME(glutLeaveGameMode);
- CHECK_NAME(glutGameModeGet);
- #endif /* !defined(_WIN32_WCE) */
- /* freeglut extensions */
- CHECK_NAME(glutMainLoopEvent);
- CHECK_NAME(glutLeaveMainLoop);
- CHECK_NAME(glutCloseFunc);
- CHECK_NAME(glutWMCloseFunc);
- CHECK_NAME(glutMenuDestroyFunc);
- CHECK_NAME(glutFullScreenToggle);
- CHECK_NAME(glutSetOption);
- CHECK_NAME(glutGetModeValues);
- CHECK_NAME(glutSetWindowData);
- CHECK_NAME(glutGetWindowData);
- CHECK_NAME(glutSetMenuData);
- CHECK_NAME(glutGetMenuData);
- CHECK_NAME(glutBitmapHeight);
- CHECK_NAME(glutStrokeHeight);
- CHECK_NAME(glutBitmapString);
- CHECK_NAME(glutStrokeString);
- CHECK_NAME(glutWireRhombicDodecahedron);
- CHECK_NAME(glutSolidRhombicDodecahedron);
- CHECK_NAME(glutWireSierpinskiSponge);
- CHECK_NAME(glutSolidSierpinskiSponge);
- CHECK_NAME(glutWireCylinder);
- CHECK_NAME(glutSolidCylinder);
- CHECK_NAME(glutGetProcAddress);
- CHECK_NAME(glutMouseWheelFunc);
- CHECK_NAME(glutJoystickGetNumAxes);
- CHECK_NAME(glutJoystickGetNumButtons);
- CHECK_NAME(glutJoystickNotWorking);
- CHECK_NAME(glutJoystickGetDeadBand);
- CHECK_NAME(glutJoystickSetDeadBand);
- CHECK_NAME(glutJoystickGetSaturation);
- CHECK_NAME(glutJoystickSetSaturation);
- CHECK_NAME(glutJoystickSetMinRange);
- CHECK_NAME(glutJoystickSetMaxRange);
- CHECK_NAME(glutJoystickSetCenter);
- CHECK_NAME(glutJoystickGetMinRange);
- CHECK_NAME(glutJoystickGetMaxRange);
- CHECK_NAME(glutJoystickGetCenter);
- CHECK_NAME(glutInitContextVersion);
- CHECK_NAME(glutInitContextFlags);
- CHECK_NAME(glutInitContextProfile);
- #undef CHECK_NAME
- return NULL;
- }
- SFG_Proc fghGetProcAddress( const char *procName )
- {
- #if TARGET_HOST_MS_WINDOWS
- return (SFG_Proc)wglGetProcAddress( ( LPCSTR )procName );
- #elif TARGET_HOST_POSIX_X11 && defined( GLX_ARB_get_proc_address )
- return (SFG_Proc)glXGetProcAddressARB( ( const GLubyte * )procName );
- #else
- return NULL;
- #endif
- }
- GLUTproc FGAPIENTRY
- glutGetProcAddress( const char *procName )
- {
- GLUTproc p;
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutGetProcAddress" );
- /* Try GLUT functions first, then core GL functions */
- p = fghGetGLUTProcAddress( procName );
- return ( p != NULL ) ? p : fghGetProcAddress( procName );
- }