|
|
1.1 root 1: /*
2: * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
3: *
4: * @APPLE_LICENSE_HEADER_START@
5: *
6: * Portions Copyright (c) 1999 Apple Computer, Inc. All Rights
7: * Reserved. This file contains Original Code and/or Modifications of
8: * Original Code as defined in and that are subject to the Apple Public
9: * Source License Version 1.1 (the "License"). You may not use this file
10: * except in compliance with the License. Please obtain a copy of the
11: * License at http://www.apple.com/publicsource and read it before using
12: * this file.
13: *
14: * The Original Code and all software distributed under the License are
15: * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
16: * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
17: * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
18: * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
19: * License for the specific language governing rights and limitations
20: * under the License.
21: *
22: * @APPLE_LICENSE_HEADER_END@
23: */
24:
25: /*****************************************************************************
26:
27: vga.h
28: Header file for VGA Device Driver
29:
30: ******************************************************************************/
31:
32: #import PACKAGE_SPECS
33: #import ENVIRONMENT
34: #import MOUSEKEYBOARD
35:
36: // VGA mode selection is done here for now.
37:
38: #define VGA_MODE MODE_VGA_AT_12
39: #define VGA_WIDTH 640 /* Pixels wide (visible pixels) */
40: #define VGA_HEIGHT 480 /* Pixels high (visible scanlines)*/
41: #define VGAFLUSH(bounds) vga_at_mode12_bpp2_to_bpp4(bounds)
42:
43: #if 0
44: #define VGA_MODE MODE_VGA_TS_29
45: #define VGA_WIDTH 800 /* Pixels wide (visible pixels) */
46: #define VGA_HEIGHT 600 /* Pixels high (visible scanlines)*/
47: #define VGAFLUSH(bounds) vga_ts_mode29_bpp2_to_bpp4(bounds)
48: #endif
49:
50: #if 0
51: #define VGA_MODE MODE_VGA_TS_37n
52: #define VGA_WIDTH 1024 /* Pixels wide (visible pixels) */
53: #define VGA_HEIGHT 768 /* Pixels high (visible scanlines)*/
54: #define VGAFLUSH(bounds) vga_ts_mode37n_bpp2_to_bpp4(bounds)
55: #endif
56:
57: #define VGA_ROMID 0 /* Unique ROM id for product (dummy value) */
58: #define VGA_ROWBYTES (VGA_WIDTH / 4) /* Row bytes to start of next line (not used) */
59:
60: #define VGA_SAMPLES_PER_CHAN 0 /* LUT entries per channel */
61:
62: /* Private state information cached in the NXSDevice priv field. */
63:
64: typedef struct _VGA_PrivInfo_ {
65: unsigned int *vgaVirtAddr;
66: uint bytes_per_scanline;
67: int monitorType;
68: } VGA_PrivInfo;
69: #define SHMEMPTR(device) ((VGAShmem_t *)device->shmemPtr)
70: #define VGASETSEMA(device) (ev_lock(&(SHMEMPTR(device)->cursorSema)))
71: #define VGACLEARSEMA(device) (ev_unlock(&(SHMEMPTR(device)->cursorSema)))
72: #define VGAPRIVDRIVER(driver) ((VGA_PrivInfo *)(driver->priv))
73: #define VGAPRIVDEVICE(device) ((VGA_PrivInfo *)(device->driver->priv))
74:
75: /* structure for registering graphics package drivers */
76:
77: typedef struct package_init_t {
78: struct package_init_t *next;
79: int package_id;
80: void *(*func)(NXDevice *dev, int package_id, void *data);
81: } package_init_t;
82:
83:
84: /*****************************************************************************
85: Forward Declarations (ANSI C Prototypes)
86: ******************************************************************************/
87:
88: /**** vga ****/
89:
90: extern int VGAStart(NXDriver *);
91: extern void VGAInitScreen(NXDevice *);
92: extern void VGARegisterScreen(NXDevice *device);
93:
94: /**** vgacursor ****/
95:
96: extern void VGASetCursor(NXDevice *d, LocalBitmap *lbm, Point hotSpot,
97: int frame, int *waitCursorFlag);
98: extern void VGADisplayCursor2(NXDevice *);
99: extern void VGARemoveCursor2(NXDevice *);
100: extern void VGAHideCursor(NXDevice *device);
101: extern void VGAShowCursor(NXDevice *device);
102: extern void VGARevealCursor(NXDevice *device);
103: extern void VGAObscureCursor(NXDevice *device);
104: extern void VGAShieldCursor(NXDevice *device, Bounds *shieldRect);
105: extern void VGAUnshieldCursor(NXDevice *device);
106:
107: /**** generic ****/
108:
109: extern void VGAGenDrvComposite(CompositeOperation *cop, Bounds *dstBounds);
110: extern void VGAGenDrvFreeWindow(NXBag *bag, int termflag);
111: extern void VGAGenDrvMark(NXBag *bag, int channel, MarkRec *mrec, Bounds *markBds,
112: Bounds *bpBds);
113: extern void VGAGenDrvMoveWindow(NXBag *bag, short dx, short dy, Bounds *old,
114: Bounds *new);
115: extern void VGAGenDrvNewAlpha(NXBag *bag);
116: extern void VGAGenDrvNewWindow(NXBag *bag, Bounds *bounds, int windowType,
117: int depth, int local);
118: extern void VGAGenDrvPromoteWindow(NXBag *bag, Bounds *bounds, int newDepth,
119: int windowType, DevPoint phase);
120: extern int VGAGenDrvWindowSize(NXBag *bag);
121:
122:
123:
124: /*****************************************************************************
125: Globals
126: ******************************************************************************/
This archive runs on limited infrastructure. Preserving old code on modern bandwidth. Automated agents are requested to crawl responsibly.