-/*\r
- * freeglut_display.c\r
- *\r
- * Display message posting, context buffer swapping.\r
- *\r
- * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.\r
- * Written by Pawel W. Olszta, <olszta@sourceforge.net>\r
- * Creation date: Fri Dec 3 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
-/* Function prototypes */\r
-extern void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow );\r
-\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow )\r
-{\r
- glXSwapBuffers( pDisplayPtr->Display, CurrentWindow->Window.Handle );\r
-}\r
-#endif\r
-\r
-/* -- INTERFACE FUNCTIONS -------------------------------------------------- */\r
-\r
-/*\r
- * Marks the current window to have the redisplay performed when possible...\r
- */\r
-void FGAPIENTRY glutPostRedisplay( void )\r
-{\r
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostRedisplay" );\r
- if ( ! fgStructure.CurrentWindow )\r
- {\r
- fgError ( " ERROR: Function <%s> called"\r
- " with no current window defined.", "glutPostRedisplay" ) ;\r
- }\r
-\r
- fgStructure.CurrentWindow->State.Redisplay = GL_TRUE;\r
-}\r
-\r
-/*\r
- * Swaps the buffers for the current window (if any)\r
- */\r
-void FGAPIENTRY glutSwapBuffers( void )\r
-{\r
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSwapBuffers" );\r
- FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSwapBuffers" );\r
-\r
- /*\r
- * "glXSwapBuffers" already performs an implicit call to "glFlush". What\r
- * about "SwapBuffers"?\r
- */\r
- glFlush( );\r
- if( ! fgStructure.CurrentWindow->Window.DoubleBuffered )\r
- return;\r
-\r
- fgPlatformGlutSwapBuffers( &fgDisplay.pDisplay, fgStructure.CurrentWindow );\r
-\r
- /* GLUT_FPS env var support */\r
- if( fgState.FPSInterval )\r
- {\r
- GLint t = glutGet( GLUT_ELAPSED_TIME );\r
- fgState.SwapCount++;\r
- if( fgState.SwapTime == 0 )\r
- fgState.SwapTime = t;\r
- else if( t - fgState.SwapTime > fgState.FPSInterval )\r
- {\r
- float time = 0.001f * ( t - fgState.SwapTime );\r
- float fps = ( float )fgState.SwapCount / time;\r
- fprintf( stderr,\r
- "freeglut: %d frames in %.2f seconds = %.2f FPS\n",\r
- fgState.SwapCount, time, fps );\r
- fgState.SwapTime = t;\r
- fgState.SwapCount = 0;\r
- }\r
- }\r
-}\r
-\r
-/*\r
- * Mark appropriate window to be displayed\r
- */\r
-void FGAPIENTRY glutPostWindowRedisplay( int windowID )\r
-{\r
- SFG_Window* window;\r
-\r
- FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );\r
- window = fgWindowByID( windowID );\r
- freeglut_return_if_fail( window );\r
- window->State.Redisplay = GL_TRUE;\r
-}\r
-\r
-/*** END OF FILE ***/\r
+/*
+ * freeglut_display.c
+ *
+ * Display message posting, context buffer swapping.
+ *
+ * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved.
+ * Written by Pawel W. Olszta, <olszta@sourceforge.net>
+ * Creation date: Fri Dec 3 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"
+
+
+/* Function prototypes */
+extern void fgPlatformGlutSwapBuffers( SFG_PlatformDisplay *pDisplayPtr, SFG_Window* CurrentWindow );
+
+
+/* -- INTERFACE FUNCTIONS -------------------------------------------------- */
+
+/*
+ * Marks the current window to have the redisplay performed when possible...
+ */
+void FGAPIENTRY glutPostRedisplay( void )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostRedisplay" );
+ if ( ! fgStructure.CurrentWindow )
+ {
+ fgError ( " ERROR: Function <%s> called"
+ " with no current window defined.", "glutPostRedisplay" ) ;
+ }
+
+ fgStructure.CurrentWindow->State.Redisplay = GL_TRUE;
+}
+
+/*
+ * Swaps the buffers for the current window (if any)
+ */
+void FGAPIENTRY glutSwapBuffers( void )
+{
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutSwapBuffers" );
+ FREEGLUT_EXIT_IF_NO_WINDOW ( "glutSwapBuffers" );
+
+ /*
+ * "glXSwapBuffers" already performs an implicit call to "glFlush". What
+ * about "SwapBuffers"?
+ */
+ glFlush( );
+ if( ! fgStructure.CurrentWindow->Window.DoubleBuffered )
+ return;
+
+ fgPlatformGlutSwapBuffers( &fgDisplay.pDisplay, fgStructure.CurrentWindow );
+
+ /* GLUT_FPS env var support */
+ if( fgState.FPSInterval )
+ {
+ GLint t = glutGet( GLUT_ELAPSED_TIME );
+ fgState.SwapCount++;
+ if( fgState.SwapTime == 0 )
+ fgState.SwapTime = t;
+ else if( t - fgState.SwapTime > fgState.FPSInterval )
+ {
+ float time = 0.001f * ( t - fgState.SwapTime );
+ float fps = ( float )fgState.SwapCount / time;
+ fprintf( stderr,
+ "freeglut: %d frames in %.2f seconds = %.2f FPS\n",
+ fgState.SwapCount, time, fps );
+ fgState.SwapTime = t;
+ fgState.SwapCount = 0;
+ }
+ }
+}
+
+/*
+ * Mark appropriate window to be displayed
+ */
+void FGAPIENTRY glutPostWindowRedisplay( int windowID )
+{
+ SFG_Window* window;
+
+ FREEGLUT_EXIT_IF_NOT_INITIALISED ( "glutPostWindowRedisplay" );
+ window = fgWindowByID( windowID );
+ freeglut_return_if_fail( window );
+ window->State.Redisplay = GL_TRUE;
+}
+
+/*** END OF FILE ***/
projects / freeglut / blobdiff