projects / reactos.git / blob
? search:
summary | shortlog | log | commit | commitdiff | tree
history | raw | HEAD
Bug fixes to win32k
[reactos.git] / reactos / subsys / win32k / misc / driver.c
1 /* $Id: driver.c,v 1.13 2000/07/07 01:18:04 phreak Exp $
2 *
3 * GDI Driver support routines
4 * (mostly swiped from Wine)
5 *
6 */
7
8 #undef WIN32_LEAN_AND_MEAN
9 #define WIN32_NO_PEHDR
10
11 #include <ddk/ntddk.h>
12 #include <windows.h>
13 #include <win32k/driver.h>
14 #include <wchar.h>
15 #include "../../ntoskrnl/include/internal/module.h"
16 #include <ddk/winddi.h>
17 #include <ddk/ntddvid.h>
18
19 #define NDEBUG
20 #include <debug.h>
21
22 typedef struct _GRAPHICS_DRIVER
23 {
24 PWSTR Name;
25 PGD_ENABLEDRIVER EnableDriver;
26 int ReferenceCount;
27 struct _GRAPHICS_DRIVER *Next;
28 } GRAPHICS_DRIVER, *PGRAPHICS_DRIVER;
29
30 static PGRAPHICS_DRIVER DriverList;
31 static PGRAPHICS_DRIVER GenericDriver = 0;
32
33 BOOL DRIVER_RegisterDriver(LPCWSTR Name, PGD_ENABLEDRIVER EnableDriver)
34 {
35 PGRAPHICS_DRIVER Driver = ExAllocatePool(NonPagedPool, sizeof(*Driver));
36 DPRINT( "DRIVER_RegisterDriver( Name: %S )\n", Name );
37 if (!Driver)
38 {
39 return FALSE;
40 }
41 Driver->ReferenceCount = 0;
42 Driver->EnableDriver = EnableDriver;
43 if (Name)
44 {
45 Driver->Name = ExAllocatePool(PagedPool,
46 (wcslen(Name) + 1) * sizeof(WCHAR));
47 wcscpy(Driver->Name, Name);
48 Driver->Next = DriverList;
49 DriverList = Driver;
50 return TRUE;
51 }
52
53 if (GenericDriver != NULL)
54 {
55 ExFreePool(Driver);
56
57 return FALSE;
58 }
59
60 GenericDriver = Driver;
61 return TRUE;
62 }
63
64 PGD_ENABLEDRIVER DRIVER_FindDDIDriver(LPCWSTR Name)
65 {
66 UNICODE_STRING DriverNameW;
67 PMODULE_OBJECT ModuleObject;
68 GRAPHICS_DRIVER *Driver = DriverList;
69
70 /* First see if the driver hasn't already been loaded */
71 while (Driver && Name)
72 {
73 if (!_wcsicmp( Driver->Name, Name))
74 {
75 return Driver->EnableDriver;
76 }
77 Driver = Driver->Next;
78 }
79
80 /* If not, then load it */
81 RtlInitUnicodeString (&DriverNameW, Name);
82
83 ModuleObject = EngLoadImage(&DriverNameW);
84 DRIVER_RegisterDriver( L"DISPLAY", ModuleObject->EntryPoint );
85 return (PGD_ENABLEDRIVER)ModuleObject->EntryPoint;
86 }
87
88 BOOL DRIVER_BuildDDIFunctions(PDRVENABLEDATA DED,
89 PDRIVER_FUNCTIONS DF)
90 {
91 int i;
92
93 for (i=0; i<DED->c; i++)
94 {
95 if(DED->pdrvfn[i].iFunc == INDEX_DrvEnablePDEV) DF->EnablePDev = (PGD_ENABLEPDEV)DED->pdrvfn[i].pfn;
96 if(DED->pdrvfn[i].iFunc == INDEX_DrvCompletePDEV) DF->CompletePDev = (PGD_COMPLETEPDEV)DED->pdrvfn[i].pfn;
97 if(DED->pdrvfn[i].iFunc == INDEX_DrvDisablePDEV) DF->DisablePDev = (PGD_DISABLEPDEV)DED->pdrvfn[i].pfn;
98 if(DED->pdrvfn[i].iFunc == INDEX_DrvEnableSurface) DF->EnableSurface = (PGD_ENABLESURFACE)DED->pdrvfn[i].pfn;
99 if(DED->pdrvfn[i].iFunc == INDEX_DrvDisableSurface) DF->DisableSurface = (PGD_DISABLESURFACE)DED->pdrvfn[i].pfn;
100 if(DED->pdrvfn[i].iFunc == INDEX_DrvAssertMode) DF->AssertMode = (PGD_ASSERTMODE)DED->pdrvfn[i].pfn;
101 if(DED->pdrvfn[i].iFunc == INDEX_DrvResetPDEV) DF->ResetPDev = (PGD_RESETPDEV)DED->pdrvfn[i].pfn;
102 if(DED->pdrvfn[i].iFunc == INDEX_DrvCreateDeviceBitmap)
103 DF->CreateDeviceBitmap = (PGD_CREATEDEVICEBITMAP)DED->pdrvfn[i].pfn;
104 if(DED->pdrvfn[i].iFunc == INDEX_DrvDeleteDeviceBitmap)
105 DF->DeleteDeviceBitmap = (PGD_DELETEDEVICEBITMAP)DED->pdrvfn[i].pfn;
106 if(DED->pdrvfn[i].iFunc == INDEX_DrvRealizeBrush) DF->RealizeBrush = (PGD_REALIZEBRUSH)DED->pdrvfn[i].pfn;
107 if(DED->pdrvfn[i].iFunc == INDEX_DrvDitherColor) DF->DitherColor = (PGD_DITHERCOLOR)DED->pdrvfn[i].pfn;
108 if(DED->pdrvfn[i].iFunc == INDEX_DrvStrokePath) DF->StrokePath = (PGD_STROKEPATH)DED->pdrvfn[i].pfn;
109 if(DED->pdrvfn[i].iFunc == INDEX_DrvFillPath) DF->FillPath = (PGD_FILLPATH)DED->pdrvfn[i].pfn;
110 if(DED->pdrvfn[i].iFunc == INDEX_DrvStrokeAndFillPath)
111 DF->StrokeAndFillPath = (PGD_STROKEANDFILLPATH)DED->pdrvfn[i].pfn;
112 if(DED->pdrvfn[i].iFunc == INDEX_DrvPaint) DF->Paint = (PGD_PAINT)DED->pdrvfn[i].pfn;
113 if(DED->pdrvfn[i].iFunc == INDEX_DrvBitBlt) DF->BitBlt = (PGD_BITBLT)DED->pdrvfn[i].pfn;
114 if(DED->pdrvfn[i].iFunc == INDEX_DrvCopyBits) DF->CopyBits = (PGD_COPYBITS)DED->pdrvfn[i].pfn;
115 if(DED->pdrvfn[i].iFunc == INDEX_DrvStretchBlt) DF->StretchBlt = (PGD_STRETCHBLT)DED->pdrvfn[i].pfn;
116 if(DED->pdrvfn[i].iFunc == INDEX_DrvSetPalette) DF->SetPalette = (PGD_SETPALETTE)DED->pdrvfn[i].pfn;
117 if(DED->pdrvfn[i].iFunc == INDEX_DrvTextOut) DF->TextOut = (PGD_TEXTOUT)DED->pdrvfn[i].pfn;
118 if(DED->pdrvfn[i].iFunc == INDEX_DrvEscape) DF->Escape = (PGD_ESCAPE)DED->pdrvfn[i].pfn;
119 if(DED->pdrvfn[i].iFunc == INDEX_DrvDrawEscape) DF->DrawEscape = (PGD_DRAWESCAPE)DED->pdrvfn[i].pfn;
120 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFont) DF->QueryFont = (PGD_QUERYFONT)DED->pdrvfn[i].pfn;
121 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontTree) DF->QueryFontTree = (PGD_QUERYFONTTREE)DED->pdrvfn[i].pfn;
122 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontData) DF->QueryFontData = (PGD_QUERYFONTDATA)DED->pdrvfn[i].pfn;
123 if(DED->pdrvfn[i].iFunc == INDEX_DrvSetPointerShape) DF->SetPointerShape = (PGD_SETPOINTERSHAPE)DED->pdrvfn[i].pfn;
124 if(DED->pdrvfn[i].iFunc == INDEX_DrvMovePointer) DF->MovePointer = (PGD_MOVEPOINTER)DED->pdrvfn[i].pfn;
125 if(DED->pdrvfn[i].iFunc == INDEX_DrvLineTo) DF->LineTo = (PGD_LINETO)DED->pdrvfn[i].pfn;
126 if(DED->pdrvfn[i].iFunc == INDEX_DrvSendPage) DF->SendPage = (PGD_SENDPAGE)DED->pdrvfn[i].pfn;
127 if(DED->pdrvfn[i].iFunc == INDEX_DrvStartPage) DF->StartPage = (PGD_STARTPAGE)DED->pdrvfn[i].pfn;
128 if(DED->pdrvfn[i].iFunc == INDEX_DrvEndDoc) DF->EndDoc = (PGD_ENDDOC)DED->pdrvfn[i].pfn;
129 if(DED->pdrvfn[i].iFunc == INDEX_DrvStartDoc) DF->StartDoc = (PGD_STARTDOC)DED->pdrvfn[i].pfn;
130 if(DED->pdrvfn[i].iFunc == INDEX_DrvGetGlyphMode) DF->GetGlyphMode = (PGD_GETGLYPHMODE)DED->pdrvfn[i].pfn;
131 if(DED->pdrvfn[i].iFunc == INDEX_DrvSynchronize) DF->Synchronize = (PGD_SYNCHRONIZE)DED->pdrvfn[i].pfn;
132 if(DED->pdrvfn[i].iFunc == INDEX_DrvSaveScreenBits) DF->SaveScreenBits = (PGD_SAVESCREENBITS)DED->pdrvfn[i].pfn;
133 if(DED->pdrvfn[i].iFunc == INDEX_DrvGetModes) DF->GetModes = (PGD_GETMODES)DED->pdrvfn[i].pfn;
134 if(DED->pdrvfn[i].iFunc == INDEX_DrvFree) DF->Free = (PGD_FREE)DED->pdrvfn[i].pfn;
135 if(DED->pdrvfn[i].iFunc == INDEX_DrvDestroyFont) DF->DestroyFont = (PGD_DESTROYFONT)DED->pdrvfn[i].pfn;
136 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontCaps) DF->QueryFontCaps = (PGD_LOADFONTFILE)DED->pdrvfn[i].pfn;
137 if(DED->pdrvfn[i].iFunc == INDEX_DrvLoadFontFile) DF->LoadFontFile = (PGD_LOADFONTFILE)DED->pdrvfn[i].pfn;
138 if(DED->pdrvfn[i].iFunc == INDEX_DrvUnloadFontFile) DF->UnloadFontFile = (PGD_UNLOADFONTFILE)DED->pdrvfn[i].pfn;
139 if(DED->pdrvfn[i].iFunc == INDEX_DrvFontManagement) DF->FontManagement = (PGD_FONTMANAGEMENT)DED->pdrvfn[i].pfn;
140 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryTrueTypeTable)
141 DF->QueryTrueTypeTable = (PGD_QUERYTRUETYPETABLE)DED->pdrvfn[i].pfn;
142 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryTrueTypeOutline)
143 DF->QueryTrueTypeOutline = (PGD_QUERYTRUETYPEOUTLINE)DED->pdrvfn[i].pfn;
144 if(DED->pdrvfn[i].iFunc == INDEX_DrvGetTrueTypeFile) DF->GetTrueTypeFile = (PGD_GETTRUETYPEFILE)DED->pdrvfn[i].pfn;
145 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryFontFile) DF->QueryFontFile = (PGD_QUERYFONTFILE)DED->pdrvfn[i].pfn;
146 if(DED->pdrvfn[i].iFunc == INDEX_DrvQueryAdvanceWidths)
147 DF->QueryAdvanceWidths = (PGD_QUERYADVANCEWIDTHS)DED->pdrvfn[i].pfn;
148 if(DED->pdrvfn[i].iFunc == INDEX_DrvSetPixelFormat) DF->SetPixelFormat = (PGD_SETPIXELFORMAT)DED->pdrvfn[i].pfn;
149 if(DED->pdrvfn[i].iFunc == INDEX_DrvDescribePixelFormat)
150 DF->DescribePixelFormat = (PGD_DESCRIBEPIXELFORMAT)DED->pdrvfn[i].pfn;
151 if(DED->pdrvfn[i].iFunc == INDEX_DrvSwapBuffers) DF->SwapBuffers = (PGD_SWAPBUFFERS)DED->pdrvfn[i].pfn;
152 if(DED->pdrvfn[i].iFunc == INDEX_DrvStartBanding) DF->StartBanding = (PGD_STARTBANDING)DED->pdrvfn[i].pfn;
153 if(DED->pdrvfn[i].iFunc == INDEX_DrvNextBand) DF->NextBand = (PGD_NEXTBAND)DED->pdrvfn[i].pfn;
154 #if 0
155 if(DED->pdrvfn[i].iFunc == INDEX_DrvGetDirectDrawInfo) DF->GETDIRECTDRAWINFO = (PGD_)DED->pdrvfn[i].pfn;
156 if(DED->pdrvfn[i].iFunc == INDEX_DrvEnableDirectDraw) DF->ENABLEDIRECTDRAW = (PGD_)DED->pdrvfn[i].pfn;
157 if(DED->pdrvfn[i].iFunc == INDEX_DrvDisableDirectDraw) DF->DISABLEDIRECTDRAW = (PGD_)DED->pdrvfn[i].pfn;
158 #endif
159 if(DED->pdrvfn[i].iFunc == INDEX_DrvQuerySpoolType) DF->QuerySpoolType = (PGD_QUERYSPOOLTYPE)DED->pdrvfn[i].pfn;
160 }
161
162 return TRUE;
163 }
164
165 typedef VP_STATUS (*PMP_DRIVERENTRY)(PVOID, PVOID);
166
167 HANDLE DRIVER_FindMPDriver(LPCWSTR Name)
168 {
169 UNICODE_STRING DriverNameW;
170 PMODULE_OBJECT ModuleObject;
171
172 PWSTR lName;
173 NTSTATUS Status;
174 UNICODE_STRING DeviceName;
175 HANDLE DriverHandle;
176 OBJECT_ATTRIBUTES ObjectAttributes;
177
178 PDRIVER_OBJECT DriverObject;
179 PMP_DRIVERENTRY PMP_DriverEntry;
180
181 /* Phase 1 */
182 RtlInitUnicodeString (&DriverNameW, L"\\??\\C:\\reactos\\system32\\drivers\\vgamp.sys");
183 ModuleObject = EngLoadImage(&DriverNameW);
184
185 /* Phase 2 */
186 if (Name[0] != '\\')
187 {
188 lName = ExAllocatePool(NonPagedPool, wcslen(Name) * sizeof(WCHAR) +
189 10 * sizeof(WCHAR));
190 wcscpy(lName, L"\\??\\");
191 if (!wcscmp (Name, L"DISPLAY"))
192 {
193 /* FIXME: Read this information from the registry ??? */
194 wcscat(lName, L"DISPLAY1");
195 }
196 else
197 {
198 wcscat(lName, Name);
199 }
200 }
201 else
202 {
203 lName = ExAllocatePool(NonPagedPool, wcslen(Name) * sizeof(WCHAR));
204 wcscpy(lName, Name);
205 }
206
207 /* Phase 3 */
208 DriverObject = ExAllocatePool(NonPagedPool,sizeof(DRIVER_OBJECT));
209 if (DriverObject == NULL)
210 {
211 return NULL;
212 }
213 memset(DriverObject, 0, sizeof(DRIVER_OBJECT));
214
215 // We pass the DriverObject to the Miniport driver, which passes it to the VideoPort driver
216 // The VideoPort driver then creates the Device Object
217
218 PMP_DriverEntry = ModuleObject->EntryPoint;
219 PMP_DriverEntry(DriverObject, NULL);
220
221 return DriverObject;
222 }
223
224 BOOL DRIVER_UnregisterDriver(LPCWSTR Name)
225 {
226 PGRAPHICS_DRIVER Driver = NULL;
227
228 if (Name)
229 {
230 if (DriverList != NULL)
231 {
232 if (!_wcsicmp(DriverList->Name, Name))
233 {
234 Driver = DriverList;
235 DriverList = DriverList->Next;
236 }
237 else
238 {
239 Driver = DriverList;
240 while (Driver->Next && _wcsicmp(Driver->Name, Name))
241 {
242 Driver = Driver->Next;
243 }
244 }
245 }
246 }
247 else
248 {
249 if (GenericDriver != NULL)
250 {
251 Driver = GenericDriver;
252 GenericDriver = NULL;
253 }
254 }
255
256 if (Driver != NULL)
257 {
258 ExFreePool(Driver->Name);
259 ExFreePool(Driver);
260
261 return TRUE;
262 }
263 else
264 {
265 return FALSE;
266 }
267 }
268
269 INT DRIVER_ReferenceDriver (LPCWSTR Name)
270 {
271 GRAPHICS_DRIVER *Driver = DriverList;
272
273 while (Driver && Name)
274 {
275 DPRINT( "Comparting %S to %S\n", Driver->Name, Name );
276 if (!_wcsicmp( Driver->Name, Name))
277 {
278 return ++Driver->ReferenceCount;
279 }
280 Driver = Driver->Next;
281 }
282 DPRINT( "Driver %S not found to reference, generic count: %d\n", Name, GenericDriver->ReferenceCount );
283 assert( GenericDriver != 0 );
284 return ++GenericDriver->ReferenceCount;
285 }
286
287 INT DRIVER_UnreferenceDriver (LPCWSTR Name)
288 {
289 GRAPHICS_DRIVER *Driver = DriverList;
290
291 while (Driver && Name)
292 {
293 DPRINT( "Comparting %S to %S\n", Driver->Name, Name );
294 if (!_wcsicmp( Driver->Name, Name))
295 {
296 return --Driver->ReferenceCount;
297 }
298 Driver = Driver->Next;
299 }
300 DPRINT( "Driver '%S' not found to dereference, generic count: %d\n", Name, GenericDriver->ReferenceCount );
301 assert( GenericDriver != 0 );
302 return --GenericDriver->ReferenceCount;
303 }
A free Windows-compatible Operating System