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1.1 root 1: /******************************Module*Header*******************************\
2: * Module Name: driver.h
3: *
4: * contains prototypes for the frame buffer driver.
5: *
6: * Copyright (c) 1992 Microsoft Corporation
7: \**************************************************************************/
8:
9: #include "stddef.h"
10: #include "windows.h"
11: #include "winddi.h"
12: #include "devioctl.h"
13: #include "ntddvdeo.h"
14: #include "debug.h"
15:
16: typedef struct _PDEV
17: {
18: HANDLE hDriver; // Handle to \Device\Screen
19: HDEV hdevEng; // Engine's handle to PDEV
20: HSURF hsurfEng; // Engine's handle to surface
21: HPALETTE hpalDefault; // Handle to the default palette for device.
22: PBYTE pjScreen; // This is pointer to base screen address
23: ULONG cxScreen; // Visible screen width
24: ULONG cyScreen; // Visible screen height
25: ULONG ulMode; // Mode the mini-port driver is in.
26: LONG lDeltaScreen; // Distance from one scan to the next.
27: FLONG flRed; // For bitfields device, Red Mask
28: FLONG flGreen; // For bitfields device, Green Mask
29: FLONG flBlue; // For bitfields device, Blue Mask
30: ULONG ulBitCount; // # of bits per pel 8,16,24,32 are only supported.
31: POINTL ptlHotSpot; // adjustment for pointer hot spot
32: ULONG cPatterns; // Count of bitmap patterns created
33: HBITMAP ahbmPat[HS_DDI_MAX]; // Engine handles to standard patterns
34: VIDEO_POINTER_CAPABILITIES PointerCapabilities; // HW pointer abilities
35: PVIDEO_POINTER_ATTRIBUTES pPointerAttributes; // hardware pointer attributes
36: DWORD cjPointerAttributes; // Size of buffer allocated
37: BOOL fHwCursorActive; // Are we currently using the hw cursor
38: PALETTEENTRY *pPal; // If this is pal managed, this is the pal
39: } PDEV, *PPDEV;
40:
41: DWORD getAvailableModes(HANDLE, PVIDEO_MODE_INFORMATION *, DWORD *);
42: BOOL bInitPDEV(PPDEV, PDEVMODEW, GDIINFO *, DEVINFO *);
43: BOOL bInitSURF(PPDEV, BOOL);
44: BOOL bInitPaletteInfo(PPDEV, DEVINFO *);
45: BOOL bInitPointer(PPDEV, DEVINFO *);
46: BOOL bInit256ColorPalette(PPDEV);
47: BOOL bInitPatterns(PPDEV, ULONG);
48: VOID vDisablePalette(PPDEV);
49: VOID vDisablePatterns(PPDEV);
50: VOID vDisableSURF(PPDEV);
51:
52: #define MAX_CLUT_SIZE (sizeof(VIDEO_CLUT) + (sizeof(ULONG) * 256))
53:
54:
55: //
56: // Function prototypes
57: //
58:
59: VOID
60: DevpSolidColorFill(
61: IN PRECTL DstRect,
62: IN ULONG Color
63: );
64:
65: VOID
66: DrvpSolidFill(
67: IN PRECTL DstRect,
68: IN CLIPOBJ *pco,
69: IN ULONG Color
70: );
71:
72: VOID
73: DrvpBitBlt(
74: IN PRECTL DstRect,
75: IN PPOINTL SrcPoint,
76: IN BOOL BltDir
77: );
78:
79:
80: BOOL
81: DrvpIntersectRect(
82: IN PRECTL Rectl1,
83: IN PRECTL Rectl2,
84: OUT PRECTL DestRectl
85: );
86:
87: LONG
88: DrvCacheFont(
89: IN FONTOBJ *FontObject
90: );
91:
92:
93: BOOL
94: DrvInitText();
95:
96:
97: VOID DevSetFgColor(ULONG TextForegroundColor);
98: VOID DevSetBgColor(ULONG TextBackgroundColor);
99:
100: VOID
101: WaitForJaguarIdle();
102:
103: VOID
104: FifoWrite(
105: IN ULONG DstAdr,
106: IN ULONG SrcAdr,
107: IN ULONG XYCmd
108: );
109:
110:
111: BOOL
112: DrvpSetGammaColorPalette(
113: IN PPDEV ppdev,
114: IN WORD NumberOfEntries,
115: IN LDECI4 GammaRed,
116: IN LDECI4 GammaGreen,
117: IN LDECI4 GammaBlue
118: );
119:
120:
121: //
122: // GDI Structure
123: //
124:
125: #define BB_RECT_LIMIT 20
126:
127: typedef struct _ENUMRECTLIST
128: {
129: ULONG c;
130: RECTL arcl[BB_RECT_LIMIT];
131: } ENUMRECTLIST;
132:
133:
134: //
135: // Font cache definitions.
136: //
137:
138: typedef struct _FONTCACHEINFO {
139: ULONG FontId;
140: ULONG GlyphHandle;
141: } FONTCACHEINFO,*PFONTCACHEINFO;
142:
143:
144: #define GlyphExtended 0xFFFFFFFE
145: #define FreeTag 0xFFFFFFFF
146:
147: //
148: // Define size of a glyph entry
149: //
150: #define LinesPerEntry 32
151: #define GlyphEntrySize LinesPerEntry*4
152:
153: //
154: // Define maximum number of entries for the Font cache = 4096 glyphs.
155: // Must be a power of two.
156: // If given the resolution mode there isn't enough video memory to
157: // allocate a cache this big, the size is reduced by halves until
158: // it fits.
159: //
160: #define MAX_FONT_CACHE_SIZE 0x1000
161:
162: typedef struct _VXL_DIMENSIONS {
163: ULONG ScreenX;
164: ULONG JaguarScreenX;
165: ULONG ScreenY;
166: ULONG ScreenBase;
167: ULONG MemorySize;
168: PULONG FontCacheBase;
169: ULONG FontCacheOffset;
170: ULONG CacheIndexMask;
171: ULONG CacheSize;
172: PFONTCACHEINFO CacheTag;
173: UCHAR ColorModeShift;
174: } VXL_DIMENSIONS, *PVXL_DIMENSIONS;
175:
176:
177: extern VXL_DIMENSIONS Vxl;
178:
179:
180: //
181: // Determines the size of the DriverExtra information in the DEVMODE
182: // structure passed to and from the display driver.
183: //
184:
185: #define DRIVER_EXTRA_SIZE 0
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