ReactOS  0.4.14-dev-57-g333b8f1
main.c
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1 /*
2  * COPYRIGHT: See COPYING in the top level directory
3  * PROJECT: ReactOS kernel
4  * PURPOSE: Native driver for dxg implementation
5  * FILE: win32ss/reactx/dxg/main.c
6  * PROGRAMER: Magnus olsen (magnus@greatlord.com)
7  * REVISION HISTORY:
8  * 15/10-2007 Magnus Olsen
9  */
10 
11 #include <dxg_int.h>
12 #include "dxg_driver.h"
13 
19 
21 
23 
24 
28 {
29  return 0;
30 }
31 
35  PDRVENABLEDATA pDxEngDrv,
36  ULONG SizeDxgDrv,
37  PDRVENABLEDATA pDxgDrv,
38  PULONG DirectDrawContext,
39  PEPROCESS Proc )
40 {
41 
42  PDRVFN drv_func;
43  PFN *peng_funcs;
44  UINT i;
45 
46  /* Test see if the data is vaild we got from win32k.sys */
47  if ((SizeEngDrv != sizeof(DRVENABLEDATA)) ||
48  (SizeDxgDrv != sizeof(DRVENABLEDATA)))
49  {
51  }
52 
53  /* rest static value */
54  gpDummyPage = NULL;
57 
58  /*
59  * Setup internal driver functions list we got from dxg driver functions list
60  */
61  pDxgDrv->iDriverVersion = 0x80000; /* Note 12/1-2004 : DirectX 8 ? */
62  pDxgDrv->c = gcDxgFuncs;
63  pDxgDrv->pdrvfn = gaDxgFuncs;
64 
65  /* check how many driver functions and fail if the value does not match */
66  if (pDxEngDrv->c != DXENG_INDEX_DxEngLoadImage + 1)
67  {
68  return STATUS_INTERNAL_ERROR;
69  }
70 
71  /*
72  * Check if all drv functions are sorted right
73  * and if it really are exported
74  */
75 
76  peng_funcs = (PFN*)&gpEngFuncs;
77 
78  for (i = 1; i < DXENG_INDEX_DxEngLoadImage + 1; i++)
79  {
80  drv_func = &pDxEngDrv->pdrvfn[i];
81 
82  if ((drv_func->iFunc != i) ||
83  (drv_func->pfn == NULL))
84  {
85  return STATUS_INTERNAL_ERROR;
86  }
87 
88  peng_funcs[i] = drv_func->pfn;
89  }
90 
91  /* Note 12/1-2004 : Why is this set to 0x618 */
92  *DirectDrawContext = 0x618;
93 
94  if (DdHmgCreate())
95  {
97 
98  if (ghsemDummyPage)
99  {
100  gpepSession = Proc;
101  return STATUS_SUCCESS;
102  }
103  }
104 
105  DdHmgDestroy();
106 
107  if (ghsemDummyPage)
108  {
110  ghsemDummyPage = 0;
111  }
112 
113  return STATUS_NO_MEMORY;
114 }
115 
116 NTSTATUS
117 APIENTRY
119 {
120  DdHmgDestroy();
121 
122  if (ghsemDummyPage != 0 )
123  {
124  if (gpDummyPage != 0 )
125  {
127  gpDummyPage = NULL;
128  gcDummyPageRefCnt = 0;
129  }
131  ghsemDummyPage = 0;
132  }
133 
134  return 0;
135 }
ULONG iFunc
Definition: winddi.h:530
#define IN
Definition: typedefs.h:38
const ULONG gcDxgFuncs
Definition: main.c:22
DRVFN gaDxgFuncs[]
Definition: dxg_driver.h:778
HSEMAPHORE ghsemDummyPage
Definition: main.c:15
LONG gcDummyPageRefCnt
Definition: main.c:14
BOOL FASTCALL DdHmgDestroy(VOID)
Definition: ddhmg.c:95
LONG NTSTATUS
Definition: precomp.h:26
_Requires_lock_not_held_ hsem ENGAPI VOID APIENTRY EngDeleteSemaphore(_Inout_ __drv_freesMem(Mem) HSEMAPHORE hsem)
Definition: semaphor.c:106
#define DXENG_INDEX_DxEngLoadImage
Definition: dxeng.h:48
#define STATUS_BUFFER_TOO_SMALL
Definition: shellext.h:64
PFN pfn
Definition: winddi.h:531
#define STATUS_INTERNAL_ERROR
Definition: ntstatus.h:451
GLsizei GLenum const GLvoid GLsizei GLenum GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLint GLint GLint GLshort GLshort GLshort GLubyte GLubyte GLubyte GLuint GLuint GLuint GLushort GLushort GLushort GLbyte GLbyte GLbyte GLbyte GLdouble GLdouble GLdouble GLdouble GLfloat GLfloat GLfloat GLfloat GLint GLint GLint GLint GLshort GLshort GLshort GLshort GLubyte GLubyte GLubyte GLubyte GLuint GLuint GLuint GLuint GLushort GLushort GLushort GLushort GLboolean const GLdouble const GLfloat const GLint const GLshort const GLbyte const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLdouble const GLfloat const GLfloat const GLint const GLint const GLshort const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort const GLdouble const GLfloat const GLint const GLshort GLenum GLenum GLenum GLfloat GLenum GLint GLenum GLenum GLenum GLfloat GLenum GLenum GLint GLenum GLfloat GLenum GLint GLint GLushort GLenum GLenum GLfloat GLenum GLenum GLint GLfloat const GLubyte GLenum GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLint GLint GLsizei GLsizei GLint GLenum GLenum const GLvoid GLenum GLenum const GLfloat GLenum GLenum const GLint GLenum GLenum const GLdouble GLenum GLenum const GLfloat GLenum GLenum const GLint GLsizei GLuint GLfloat GLuint GLbitfield GLfloat GLint GLuint GLboolean GLenum GLfloat GLenum GLbitfield GLenum GLfloat GLfloat GLint GLint const GLfloat GLenum GLfloat GLfloat GLint GLint GLfloat GLfloat GLint GLint const GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat GLint GLfloat GLfloat const GLdouble const GLfloat const GLdouble const GLfloat GLint i
Definition: glfuncs.h:248
NTSTATUS(* NTAPI)(IN PFILE_FULL_EA_INFORMATION EaBuffer, IN ULONG EaLength, OUT PULONG ErrorOffset)
Definition: IoEaTest.cpp:117
long LONG
Definition: pedump.c:60
smooth NULL
Definition: ftsmooth.c:416
DWORD_PTR HSEMAPHORE
Definition: axcore.idl:60
BOOL FASTCALL DdHmgCreate(VOID)
Definition: ddhmg.c:49
VOID * gpDummyPage
Definition: main.c:16
DRVFN * pdrvfn
Definition: winddi.h:544
PEPROCESS gpepSession
Definition: main.c:17
PLARGE_INTEGER gpLockShortDelay
Definition: main.c:18
_In_ PNET_PNP_EVENT _In_ PTDI_PNP_CONTEXT _In_ PTDI_PNP_CONTEXT Context2
Definition: tdikrnl.h:1094
#define DXG_INDEX_DxDdIoctl
Definition: dxg.h:100
BOOLEAN(* PFN)(PARGS)
Definition: parse.h:47
NTSTATUS NTAPI DriverEntry(PDRIVER_OBJECT DriverObject, PUNICODE_STRING RegistryPath)
Definition: main.c:690
#define STATUS_NO_MEMORY
Definition: ntstatus.h:246
_In_ PNET_PNP_EVENT _In_ PTDI_PNP_CONTEXT Context1
Definition: tdikrnl.h:1094
ULONG iDriverVersion
Definition: winddi.h:542
unsigned int * PULONG
Definition: retypes.h:1
unsigned int UINT
Definition: ndis.h:50
HSEMAPHORE WINAPI EngCreateSemaphore(VOID)
Definition: eng.c:75
unsigned int ULONG
Definition: retypes.h:1
#define ExFreePoolWithTag(_P, _T)
Definition: module.h:1099
DXENG_FUNCTIONS gpEngFuncs
Definition: main.c:20
NTSTATUS APIENTRY DxDdStartupDxGraphics(ULONG SizeEngDrv, PDRVENABLEDATA pDxEngDrv, ULONG SizeDxgDrv, PDRVENABLEDATA pDxgDrv, PULONG DirectDrawContext, PEPROCESS Proc)
Definition: main.c:34
return STATUS_SUCCESS
Definition: btrfs.c:2966
Definition: winddi.h:529
NTSTATUS APIENTRY DxDdCleanupDxGraphics(VOID)
Definition: main.c:118
#define APIENTRY
Definition: api.h:79