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Annotation of XNU/iokit/IOKit/graphics/IOGLWindowConnect.h, revision 1.1.1.1

1.1       root        1: /*
                      2:  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
                      3:  *
                      4:  * @APPLE_LICENSE_HEADER_START@
                      5:  * 
                      6:  * The contents of this file constitute Original Code as defined in and
                      7:  * are subject to the Apple Public Source License Version 1.1 (the
                      8:  * "License").  You may not use this file except in compliance with the
                      9:  * License.  Please obtain a copy of the License at
                     10:  * http://www.apple.com/publicsource and read it before using this file.
                     11:  * 
                     12:  * This Original Code and all software distributed under the License are
                     13:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
                     14:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
                     15:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
                     16:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
                     17:  * License for the specific language governing rights and limitations
                     18:  * under the License.
                     19:  * 
                     20:  * @APPLE_LICENSE_HEADER_END@
                     21:  */
                     22: 
                     23: #ifndef _IOGL_WINDOW_CONNECT_H
                     24: #define _IOGL_WINDOW_CONNECT_H
                     25: 
                     26: #include <IOKit/graphics/IOGLTypes.h>
                     27: 
                     28: /*
                     29: ** The IOGLAccelerator service name
                     30: */
                     31: #define kIOGLAcceleratorClassName "IOGLAccelerator"
                     32: 
                     33: 
                     34: /*
                     35: ** Window visible region in device coordinates.
                     36: **
                     37: ** num_rects:  The number of rectangles in the rect array.  If num_rects
                     38: **             is zero the bounds rectangle is used for the visible rectangle.
                     39: **             If num_rects is zero the window must be completely contained
                     40: **             by the device.
                     41: **
                     42: ** bounds:     The unclipped window rectangle in device coords.  Extends
                     43: **             beyond the device bounds if the window is not totally on
                     44: **             the device.
                     45: **
                     46: ** rect[]:     An array of visible rectangles in device coords.  If num_rects
                     47: **             is non-zero only the region described by these rectangles is
                     48: **             copied to the frame buffer during a flush operation.
                     49: */
                     50: typedef struct
                     51: {
                     52:         UInt32     num_rects;
                     53:         IOGLBounds bounds;
                     54:         IOGLBounds rect[0];
                     55: } IOGLDeviceRegion;
                     56: 
                     57: 
                     58: /*
                     59: ** Determine the size of a region.
                     60: */
                     61: #define IOGL_SIZEOF_DEVICE_REGION(_rgn_) (sizeof(IOGLDeviceRegion) + (_rgn_)->num_rects * sizeof(IOGLBounds))
                     62: 
                     63: 
                     64: /*
                     65: ** IOGLAccelerator public client types.  Private client types start with kIOGLNumClientTypes.
                     66: */
                     67: enum eIOGLAcceleratorClientTypes {
                     68:        kIOGLDummyClientType,
                     69:        kIOGLWindowClientType,
                     70:        kIOGLNumClientTypes,
                     71: };
                     72: 
                     73: 
                     74: /*
                     75: ** Window client public memory types.  Private memory types start with kIOGLNumWindowMemoryTypes.
                     76: */
                     77: enum eIOGLWindowMemoryTypes {
                     78:        kIOGLNumWindowMemoryTypes,
                     79: };
                     80: 
                     81: 
                     82: /*
                     83: ** Window client public methods.  Private methods start with kIOGLNumWindowMethods.
                     84: */
                     85: enum eIOGLWindowMethods {
                     86:        kIOGLWindowSetIDMode,
                     87:        kIOGLWindowSetShape,
                     88:        kIOGLWindowGetState,
                     89:        kIOGLWindowLock,
                     90:        kIOGLWindowUnlock,
                     91:        kIOGLNumWindowMethods,
                     92: };
                     93: 
                     94: 
                     95: /*
                     96: ** Option bits for IOGLCreateWindow and the kIOGLWindowSetIDMode method.
                     97: ** The color depth field can take any value of the _CGSDepth enumeration.
                     98: */
                     99: typedef enum {
                    100:         kIOGLWindowModeColorDepthBits = 0x0000000F,
                    101: } eIOGLWindowModeBits;
                    102: 
                    103: 
                    104: /*
                    105: ** Options bits for IOGLSetWindowShape and the kIOGLWindowSetShape method.
                    106: */
                    107: typedef enum {
                    108:         kIOGLWindowShapeNone         = 0x00000000,
                    109:         kIOGLWindowShapeBlockingBit  = 0x00000001,
                    110:         kIOGLWindowShapeNonSimpleBit = 0x00000002,
                    111: } eIOGLWindowShapeBits;
                    112: 
                    113: 
                    114: /*
                    115: ** Return bits for the kIOGLWindowGetState method.
                    116: */
                    117: typedef enum {
                    118:        kIOGLWindowStateNone    = 0x00000000,
                    119:        kIOGLWindowStateIdleBit = 0x00000001,
                    120: } eIOGLWindowStateBits;
                    121: 
                    122: #endif /* _IOGL_WINDOW_CONNECT_H */

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