*/\r
\r
extern int fgPlatformGlutGet ( GLenum eWhat );\r
+extern int fgPlatformGlutDeviceGet ( GLenum eWhat );\r
+extern int fgPlatformGlutLayerGet ( GLenum eWhat );\r
+extern int *fgPlatformGlutGetModeValues(GLenum eWhat, int *size);\r
+\r
\r
/* -- LOCAL DEFINITIONS ---------------------------------------------------- */\r
\r
/* -- PRIVATE FUNCTIONS ---------------------------------------------------- */\r
\r
-#if TARGET_HOST_POSIX_X11\r
-/*\r
- * Queries the GL context about some attributes\r
- */\r
-static int fghGetConfig( int attribute )\r
-{\r
- int returnValue = 0;\r
- int result; /* Not checked */\r
-\r
- if( fgStructure.CurrentWindow )\r
- result = glXGetFBConfigAttrib( fgDisplay.Display,\r
- *(fgStructure.CurrentWindow->Window.FBConfig),\r
- attribute,\r
- &returnValue );\r
-\r
- return returnValue;\r
-}\r
-\r
-static int fgPlatformGlutGet ( GLenum eWhat )\r
-{\r
- int nsamples = 0;\r
-\r
- switch( eWhat )\r
- {\r
- /*\r
- * The window/context specific queries are handled mostly by\r
- * fghGetConfig().\r
- */\r
- case GLUT_WINDOW_NUM_SAMPLES:\r
-#ifdef GLX_VERSION_1_3\r
- glGetIntegerv(GL_SAMPLES, &nsamples);\r
-#endif\r
- return nsamples;\r
-\r
- /*\r
- * The rest of GLX queries under X are general enough to use a macro to\r
- * check them\r
- */\r
-# define GLX_QUERY(a,b) case a: return fghGetConfig( b );\r
-\r
- GLX_QUERY( GLUT_WINDOW_RGBA, GLX_RGBA );\r
- GLX_QUERY( GLUT_WINDOW_DOUBLEBUFFER, GLX_DOUBLEBUFFER );\r
- GLX_QUERY( GLUT_WINDOW_BUFFER_SIZE, GLX_BUFFER_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_STENCIL_SIZE, GLX_STENCIL_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_DEPTH_SIZE, GLX_DEPTH_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_RED_SIZE, GLX_RED_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_GREEN_SIZE, GLX_GREEN_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_BLUE_SIZE, GLX_BLUE_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_ALPHA_SIZE, GLX_ALPHA_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_ACCUM_RED_SIZE, GLX_ACCUM_RED_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_ACCUM_GREEN_SIZE, GLX_ACCUM_GREEN_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_ACCUM_BLUE_SIZE, GLX_ACCUM_BLUE_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_ACCUM_ALPHA_SIZE, GLX_ACCUM_ALPHA_SIZE );\r
- GLX_QUERY( GLUT_WINDOW_STEREO, GLX_STEREO );\r
-\r
-# undef GLX_QUERY\r
-\r
- /* Colormap size is handled in a bit different way than all the rest */\r
- case GLUT_WINDOW_COLORMAP_SIZE:\r
- if( (fghGetConfig( GLX_RGBA )) || (fgStructure.CurrentWindow == NULL) )\r
- {\r
- /*\r
- * We've got a RGBA visual, so there is no colormap at all.\r
- * The other possibility is that we have no current window set.\r
- */\r
- return 0;\r
- }\r
- else\r
- {\r
- const GLXFBConfig * fbconfig =\r
- fgStructure.CurrentWindow->Window.FBConfig;\r
-\r
- XVisualInfo * visualInfo =\r
- glXGetVisualFromFBConfig( fgDisplay.Display, *fbconfig );\r
-\r
- const int result = visualInfo->visual->map_entries;\r
-\r
- XFree(visualInfo);\r
-\r
- return result;\r
- }\r
-\r
- /*\r
- * Those calls are somewhat similiar, as they use XGetWindowAttributes()\r
- * function\r
- */\r
- case GLUT_WINDOW_X:\r
- case GLUT_WINDOW_Y:\r
- case GLUT_WINDOW_BORDER_WIDTH:\r
- case GLUT_WINDOW_HEADER_HEIGHT:\r
- {\r
- int x, y;\r
- Window w;\r
-\r
- if( fgStructure.CurrentWindow == NULL )\r
- return 0;\r
-\r
- XTranslateCoordinates(\r
- fgDisplay.Display,\r
- fgStructure.CurrentWindow->Window.Handle,\r
- fgDisplay.RootWindow,\r
- 0, 0, &x, &y, &w);\r
-\r
- switch ( eWhat )\r
- {\r
- case GLUT_WINDOW_X: return x;\r
- case GLUT_WINDOW_Y: return y;\r
- }\r
-\r
- if ( w == 0 )\r
- return 0;\r
- XTranslateCoordinates(\r
- fgDisplay.Display,\r
- fgStructure.CurrentWindow->Window.Handle,\r
- w, 0, 0, &x, &y, &w);\r
-\r
- switch ( eWhat )\r
- {\r
- case GLUT_WINDOW_BORDER_WIDTH: return x;\r
- case GLUT_WINDOW_HEADER_HEIGHT: return y;\r
- }\r
- }\r
-\r
- case GLUT_WINDOW_WIDTH:\r
- case GLUT_WINDOW_HEIGHT:\r
- {\r
- XWindowAttributes winAttributes;\r
-\r
- if( fgStructure.CurrentWindow == NULL )\r
- return 0;\r
- XGetWindowAttributes(\r
- fgDisplay.Display,\r
- fgStructure.CurrentWindow->Window.Handle,\r
- &winAttributes\r
- );\r
- switch ( eWhat )\r
- {\r
- case GLUT_WINDOW_WIDTH: return winAttributes.width ;\r
- case GLUT_WINDOW_HEIGHT: return winAttributes.height ;\r
- }\r
- }\r
-\r
- /* I do not know yet if there will be a fgChooseVisual() function for Win32 */\r
- case GLUT_DISPLAY_MODE_POSSIBLE:\r
- {\r
- /* We should not have to call fgChooseFBConfig again here. */\r
- GLXFBConfig * fbconfig;\r
- int isPossible;\r
-\r
- fbconfig = fgChooseFBConfig(NULL);\r
-\r
- if (fbconfig == NULL)\r
- {\r
- isPossible = 0;\r
- }\r
- else\r
- {\r
- isPossible = 1;\r
- XFree(fbconfig);\r
- }\r
-\r
- return isPossible;\r
- }\r
-\r
- /* This is system-dependant */\r
- case GLUT_WINDOW_FORMAT_ID:\r
- if( fgStructure.CurrentWindow == NULL )\r
- return 0;\r
-\r
- return fghGetConfig( GLX_VISUAL_ID );\r
-\r
- default:\r
- fgWarning( "glutGet(): missing enum handle %d", eWhat );\r
- break;\r
- }\r
-}\r
-#endif\r
\r
/* -- INTERFACE FUNCTIONS -------------------------------------------------- */\r
\r
/* XXX WARNING: we are mostly lying in this function. */\r
switch( eWhat )\r
{\r
- case GLUT_HAS_KEYBOARD:\r
- /*\r
- * Win32 is assumed a keyboard, and this cannot be queried,\r
- * except for WindowsCE.\r
- *\r
- * X11 has a core keyboard by definition, although it can\r
- * be present as a virtual/dummy keyboard. For now, there\r
- * is no reliable way to tell if a real keyboard is present.\r
- */\r
-#if defined(_WIN32_CE)\r
- return ( GetKeyboardStatus() & KBDI_KEYBOARD_PRESENT ) ? 1 : 0;\r
-# if FREEGLUT_LIB_PRAGMAS\r
-# pragma comment (lib,"Kbdui.lib")\r
-# endif\r
-\r
-#else\r
- return 1;\r
-#endif\r
-\r
-#if TARGET_HOST_POSIX_X11\r
-\r
- /* X11 has a mouse by definition */\r
- case GLUT_HAS_MOUSE:\r
- return 1 ;\r
-\r
- case GLUT_NUM_MOUSE_BUTTONS:\r
- /* We should be able to pass NULL when the last argument is zero,\r
- * but at least one X server has a bug where this causes a segfault.\r
- *\r
- * In XFree86/Xorg servers, a mouse wheel is seen as two buttons\r
- * rather than an Axis; "freeglut_main.c" expects this when\r
- * checking for a wheel event.\r
- */\r
- {\r
- unsigned char map;\r
- int nbuttons = XGetPointerMapping(fgDisplay.Display, &map,0);\r
- return nbuttons;\r
- }\r
-\r
-#elif TARGET_HOST_MS_WINDOWS\r
-\r
- case GLUT_HAS_MOUSE:\r
- /*\r
- * MS Windows can be booted without a mouse.\r
- */\r
- return GetSystemMetrics( SM_MOUSEPRESENT );\r
-\r
- case GLUT_NUM_MOUSE_BUTTONS:\r
-# if defined(_WIN32_WCE)\r
- return 1;\r
-# else\r
- return GetSystemMetrics( SM_CMOUSEBUTTONS );\r
-# endif\r
-#endif\r
-\r
case GLUT_HAS_JOYSTICK:\r
return fgJoystickDetect ();\r
\r
return fgState.KeyRepeat;\r
\r
default:\r
- fgWarning( "glutDeviceGet(): missing enum handle %d", eWhat );\r
- break;\r
+ return fgPlatformGlutDeviceGet ( eWhat );\r
}\r
\r
/* And now -- the failure. */\r
switch( eWhat )\r
{\r
\r
-#if TARGET_HOST_POSIX_X11\r
-\r
- case GLUT_OVERLAY_POSSIBLE:\r
- return 0;\r
-\r
- case GLUT_LAYER_IN_USE:\r
- return GLUT_NORMAL;\r
-\r
- case GLUT_HAS_OVERLAY:\r
- return 0;\r
-\r
- case GLUT_TRANSPARENT_INDEX:\r
- /*\r
- * Return just anything, which is always defined as zero\r
- *\r
- * XXX HUH?\r
- */\r
- return 0;\r
-\r
- case GLUT_NORMAL_DAMAGED:\r
- /* XXX Actually I do not know. Maybe. */\r
- return 0;\r
-\r
- case GLUT_OVERLAY_DAMAGED:\r
- return -1;\r
-\r
-#elif TARGET_HOST_MS_WINDOWS\r
-\r
- case GLUT_OVERLAY_POSSIBLE:\r
-/* return fgSetupPixelFormat( fgStructure.CurrentWindow, GL_TRUE,\r
- PFD_OVERLAY_PLANE ); */\r
- return 0 ;\r
-\r
- case GLUT_LAYER_IN_USE:\r
- return GLUT_NORMAL;\r
-\r
- case GLUT_HAS_OVERLAY:\r
- return 0;\r
-\r
- case GLUT_TRANSPARENT_INDEX:\r
- /*\r
- * Return just anything, which is always defined as zero\r
- *\r
- * XXX HUH?\r
- */\r
- return 0;\r
-\r
- case GLUT_NORMAL_DAMAGED:\r
- /* XXX Actually I do not know. Maybe. */\r
- return 0;\r
-\r
- case GLUT_OVERLAY_DAMAGED:\r
- return -1;\r
-#endif\r
-\r
default:\r
- fgWarning( "glutLayerGet(): missing enum handle %d", eWhat );\r
- break;\r
+ return fgPlatformGlutLayerGet( eWhat );\r
}\r
\r
/* And fail. That's good. Programs do love failing. */\r
return -1;\r
}\r
\r
-int * FGAPIENTRY glutGetModeValues(GLenum eWhat, int * size)\r
+int * FGAPIENTRY glutGetModeValues(GLenum eWhat, int *size)\r
{\r
- int * array;\r
-\r
-#if TARGET_HOST_POSIX_X11\r
- int attributes[9];\r
- GLXFBConfig * fbconfigArray; /* Array of FBConfigs */\r
- int fbconfigArraySize; /* Number of FBConfigs in the array */\r
- int attribute_name = 0;\r
-#endif\r
+ int *array;\r
\r
FREEGLUT_EXIT_IF_NOT_INITIALISED("glutGetModeValues");\r
\r
- array = NULL;\r
*size = 0;\r
-\r
- switch (eWhat)\r
- {\r
-#if TARGET_HOST_POSIX_X11\r
- case GLUT_AUX:\r
- case GLUT_MULTISAMPLE:\r
-\r
- attributes[0] = GLX_BUFFER_SIZE;\r
- attributes[1] = GLX_DONT_CARE;\r
-\r
- switch (eWhat)\r
- {\r
- case GLUT_AUX:\r
- /*\r
- FBConfigs are now sorted by increasing number of auxiliary\r
- buffers. We want at least one buffer.\r
- */\r
- attributes[2] = GLX_AUX_BUFFERS;\r
- attributes[3] = 1;\r
- attributes[4] = None;\r
-\r
- attribute_name = GLX_AUX_BUFFERS;\r
-\r
- break;\r
-\r
-\r
- case GLUT_MULTISAMPLE:\r
- attributes[2] = GLX_AUX_BUFFERS;\r
- attributes[3] = GLX_DONT_CARE;\r
- attributes[4] = GLX_SAMPLE_BUFFERS;\r
- attributes[5] = 1;\r
- /*\r
- FBConfigs are now sorted by increasing number of samples per\r
- pixel. We want at least one sample.\r
- */\r
- attributes[6] = GLX_SAMPLES;\r
- attributes[7] = 1;\r
- attributes[8] = None;\r
-\r
- attribute_name = GLX_SAMPLES;\r
-\r
- break;\r
- }\r
-\r
- fbconfigArray = glXChooseFBConfig(fgDisplay.Display,\r
- fgDisplay.Screen,\r
- attributes,\r
- &fbconfigArraySize);\r
-\r
- if (fbconfigArray != NULL)\r
- {\r
- int * temp_array;\r
- int result; /* Returned by glXGetFBConfigAttrib. Not checked. */\r
- int previous_value;\r
- int i;\r
-\r
- temp_array = malloc(sizeof(int) * fbconfigArraySize);\r
- previous_value = 0;\r
-\r
- for (i = 0; i < fbconfigArraySize; i++)\r
- {\r
- int value;\r
-\r
- result = glXGetFBConfigAttrib(fgDisplay.Display,\r
- fbconfigArray[i],\r
- attribute_name,\r
- &value);\r
- if (value > previous_value)\r
- {\r
- temp_array[*size] = value;\r
- previous_value = value;\r
- (*size)++;\r
- }\r
- }\r
-\r
- array = malloc(sizeof(int) * (*size));\r
- for (i = 0; i < *size; i++)\r
- {\r
- array[i] = temp_array[i];\r
- }\r
-\r
- free(temp_array);\r
- XFree(fbconfigArray);\r
- }\r
-\r
- break;\r
-#endif \r
-\r
- default:\r
- break;\r
- }\r
+ array = fgPlatformGlutGetModeValues ( eWhat, size );\r
\r
return array;\r
}\r
projects / freeglut / blobdiff