1 /****************************************************************************** 2 * 3 * Copyright (c) 1994, 1995 Hewlett-Packard Company 4 * 5 * Permission is hereby granted, free of charge, to any person obtaining 6 * a copy of this software and associated documentation files (the 7 * "Software"), to deal in the Software without restriction, including 8 * without limitation the rights to use, copy, modify, merge, publish, 9 * distribute, sublicense, and/or sell copies of the Software, and to 10 * permit persons to whom the Software is furnished to do so, subject to 11 * the following conditions: 12 * 13 * The above copyright notice and this permission notice shall be included 14 * in all copies or substantial portions of the Software. 15 * 16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS 17 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 19 * IN NO EVENT SHALL HEWLETT-PACKARD COMPANY BE LIABLE FOR ANY CLAIM, 20 * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR 21 * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR 22 * THE USE OR OTHER DEALINGS IN THE SOFTWARE. 23 * 24 * Except as contained in this notice, the name of the Hewlett-Packard 25 * Company shall not be used in advertising or otherwise to promote the 26 * sale, use or other dealings in this Software without prior written 27 * authorization from the Hewlett-Packard Company. 28 * 29 * Header file for Xlib-related DBE 30 * 31 *****************************************************************************/ 32 33 #ifndef XDBE_H 34 #define XDBE_H 35 36 #include <X11/Xfuncproto.h> 37 #include <X11/extensions/dbe.h> 38 39 typedef struct 40 { 41 VisualID visual; /* one visual ID that supports double-buffering */ 42 int depth; /* depth of visual in bits */ 43 int perflevel; /* performance level of visual */ 44 } 45 XdbeVisualInfo; 46 47 typedef struct 48 { 49 int count; /* number of items in visual_depth */ 50 XdbeVisualInfo *visinfo; /* list of visuals & depths for scrn */ 51 } 52 XdbeScreenVisualInfo; 53 54 55 typedef Drawable XdbeBackBuffer; 56 57 typedef unsigned char XdbeSwapAction; 58 59 typedef struct 60 { 61 Window swap_window; /* window for which to swap buffers */ 62 XdbeSwapAction swap_action; /* swap action to use for swap_window */ 63 } 64 XdbeSwapInfo; 65 66 typedef struct 67 { 68 Window window; /* window that buffer belongs to */ 69 } 70 XdbeBackBufferAttributes; 71 72 typedef struct 73 { 74 int type; 75 Display *display; /* display the event was read from */ 76 XdbeBackBuffer buffer; /* resource id */ 77 unsigned long serial; /* serial number of failed request */ 78 unsigned char error_code; /* error base + XdbeBadBuffer */ 79 unsigned char request_code; /* major opcode of failed request */ 80 unsigned char minor_code; /* minor opcode of failed request */ 81 } 82 XdbeBufferError; 83 84 /* _XFUNCPROTOBEGIN and _XFUNCPROTOEND are defined as noops 85 * (for non-C++ builds) in X11/Xfuncproto.h. 86 */ 87 _XFUNCPROTOBEGIN 88 89 extern Status XdbeQueryExtension( 90 Display* /* dpy */, 91 int* /* major_version_return */, 92 int* /* minor_version_return */ 93 ); 94 95 extern XdbeBackBuffer XdbeAllocateBackBufferName( 96 Display* /* dpy */, 97 Window /* window */, 98 XdbeSwapAction /* swap_action */ 99 ); 100 101 extern Status XdbeDeallocateBackBufferName( 102 Display* /* dpy */, 103 XdbeBackBuffer /* buffer */ 104 ); 105 106 extern Status XdbeSwapBuffers( 107 Display* /* dpy */, 108 XdbeSwapInfo* /* swap_info */, 109 int /* num_windows */ 110 ); 111 112 extern Status XdbeBeginIdiom( 113 Display* /* dpy */ 114 ); 115 116 extern Status XdbeEndIdiom( 117 Display* /* dpy */ 118 ); 119 120 extern XdbeScreenVisualInfo *XdbeGetVisualInfo( 121 Display* /* dpy */, 122 Drawable* /* screen_specifiers */, 123 int* /* num_screens */ 124 ); 125 126 extern void XdbeFreeVisualInfo( 127 XdbeScreenVisualInfo* /* visual_info */ 128 ); 129 130 extern XdbeBackBufferAttributes *XdbeGetBackBufferAttributes( 131 Display* /* dpy */, 132 XdbeBackBuffer /* buffer */ 133 ); 134 135 _XFUNCPROTOEND 136 137 #endif /* XDBE_H */ 138 139