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