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add complete startup process code for dxg.sys

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svn path=/branches/reactx/; revision=29848
This commit is contained in:
Magnus Olsen 2007-10-24 11:05:44 +00:00
parent 3cc2abdc0a
commit 19462f737c
5 changed files with 67 additions and 9 deletions
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2
reactos/drivers/directx/dxg/dxg.rbuild
View file

@ -6,7 +6,9 @@ installbase="system32/drivers" installname="dxg.sys">
<include base="dxg">.</include>
<define name="__USE_W32API" />
<library>dxgthk</library>
<library>ntoskrnl</library>
<file>main.c</file>
<file>eng.c</file>
<file>historic.c</file>
<file>dxg.rc</file>
</module>

3
reactos/drivers/directx/dxg/dxg_int.h
View file

@ -27,6 +27,8 @@
#include <reactos/drivers/directx/dxg.h>
#include <reactos/drivers/directx/dxeng.h>
#include "tags.h"
/* exported functions */
NTSTATUS DriverEntry(IN PVOID Context1, IN PVOID Context2);
@ -39,5 +41,6 @@ DWORD STDCALL DxDxgGenericThunk(ULONG_PTR ulIndex, ULONG_PTR ulHandle, SIZE_T *p
DWORD STDCALL DxDdIoctl(ULONG ulIoctl, PVOID pBuffer, ULONG ulBufferSize);
/* Internel functions */
BOOL DdHmgCreate();
BOOL DdHmgDestroy();

14
reactos/drivers/directx/dxg/eng.c Normal file
View file

@ -0,0 +1,14 @@
/*
* COPYRIGHT: See COPYING in the top level directory
* PROJECT: ReactOS kernel
* PURPOSE: Native driver for dxg implementation
* FILE: drivers/directx/dxg/main.c
* PROGRAMER: Magnus olsen (magnus@greatlord.com)
* REVISION HISTORY:
* 15/10-2007 Magnus Olsen
*/

49
reactos/drivers/directx/dxg/main.c
View file

@ -20,6 +20,11 @@ HSEMAPHORE ghsemHmgr = NULL;
HSEMAPHORE ghsemDummyPage = NULL;
VOID *gpDummyPage = NULL;
PEPROCESS gpepSession = NULL;
PLARGE_INTEGER gpLockShortDelay = NULL;
HANDLE ghFreeDdHmgr = 0;
VOID *gpentDdHmgr = NULL;
VOID *gpentDdHmgrLast = NULL;
PDRVFN gpEngFuncs;
const ULONG gcDxgFuncs = DXG_INDEX_DxDdIoctl + 1;
@ -92,7 +97,6 @@ DxDdStartupDxGraphics (ULONG SizeEngDrv,
/* Note 12/1-2004 : Why is this set to 0x618 */
*DirectDrawContext = 0x618;
#if 0
if (DdHmgCreate())
{
ghsemDummyPage = EngCreateSemaphore();
@ -103,7 +107,6 @@ DxDdStartupDxGraphics (ULONG SizeEngDrv,
return STATUS_SUCCESS;
}
}
#endif
DdHmgDestroy();
@ -119,16 +122,13 @@ DxDdStartupDxGraphics (ULONG SizeEngDrv,
NTSTATUS
DxDdCleanupDxGraphics()
{
DdHmgDestroy();
if (!ghsemDummyPage)
{
if (!gpDummyPage)
{
#if 0
ExFreePoolWithTag(gpDummyPage,0);
#endif
gpDummyPage = NULL;
gcDummyPageRefCnt = 0;
}
@ -143,16 +143,15 @@ DdHmgDestroy()
{
gcMaxDdHmgr = 0;
gcSizeDdHmgr = 0;
#if 0
ghFreeDdHmgr = 0;
gpentDdHmgrLast = 0;
gpentDdHmgrLast = NULL;
if (gpentDdHmgr)
{
EngFreeMem(gpentDdHmgr);
gpentDdHmgr = 0;
gpentDdHmgr = NULL;
}
#endif
if (ghsemHmgr)
{
EngDeleteSemaphore(ghsemHmgr);
@ -162,3 +161,35 @@ DdHmgDestroy()
return TRUE;
}
BOOL
DdHmgCreate()
{
gpentDdHmgr = EngAllocMem(FL_ZERO_MEMORY, gcSizeDdHmgr, TAG_THDD);
ghFreeDdHmgr = 0;
gcMaxDdHmgr = 1;
if (gpentDdHmgr)
{
ghsemHmgr = EngCreateSemaphore();
if (ghsemHmgr)
{
gpLockShortDelay = EngAllocMem(FL_ZERO_MEMORY | FL_NONPAGED_MEMORY, sizeof(LARGE_INTEGER), TAG_GINI);
if (gpLockShortDelay)
{
gpLockShortDelay->QuadPart = ((LONGLONG)-100000);
return TRUE;
}
EngDeleteSemaphore(ghsemHmgr);
ghsemHmgr = NULL;
}
EngFreeMem(gpentDdHmgr);
gpentDdHmgr = NULL;
}
return FALSE;
}

8
reactos/drivers/directx/dxg/tags.h Normal file
View file

@ -0,0 +1,8 @@
#define TAG_THDD TAG('t', 'h', 'd', 'd')
#define TAG_GINI TAG('G', 'i', 'n', 'i')