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Clean up NtGdiDdCreateDirectDrawObject and confirm it working.

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1. Fix create hdc when it is NULL that is need to get ms windows xp d3dx.dll working in ReactOS, if some want try it. 

 

svn path=/trunk/; revision=23073
This commit is contained in:
Magnus Olsen 2006-07-16 12:03:41 +00:00
parent d16a694b91
commit fc29d1edf0
1 changed files with 19 additions and 22 deletions
Download patch file Download diff file Expand all files Collapse all files

41
reactos/subsystems/win32/win32k/ntddraw/ddraw.c
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@ -12,6 +12,7 @@
#define NDEBUG
#include <debug.h>
GDIDEVICE IntGetPrimarySurface(VOID);
/* swtich this off to get rid of all dx debug msg */
#define DX_DEBUG
@ -19,6 +20,8 @@
#define DdHandleTable GdiHandleTable
/************************************************************************/
/* DIRECT DRAW OBJECT */
/************************************************************************/
@ -55,9 +58,8 @@ HANDLE STDCALL NtGdiDdCreateDirectDrawObject(
BOOL success;
HANDLE hDirectDraw;
PDD_DIRECTDRAW pDirectDraw;
#ifdef DX_DEBUG
DPRINT1("NtGdiDdCreateDirectDrawObject\n");
#endif
RtlZeroMemory(&callbacks, sizeof(DD_CALLBACKS));
callbacks.dwSize = sizeof(DD_CALLBACKS);
@ -70,29 +72,30 @@ HANDLE STDCALL NtGdiDdCreateDirectDrawObject(
/* we need create it, if in that case */
if (hdc == NULL)
{
DPRINT1("FIXME hdc is NULL \n");
return NULL;
}
pDC = DC_LockDc(hdc);
if (!pDC)
return NULL;
if (!pDC->DriverFunctions.EnableDirectDraw)
{
// Driver doesn't support DirectDraw
return NULL;
}
if (pDC->DriverFunctions.EnableDirectDraw == NULL)
{
/* Driver doesn't support DirectDraw */
DC_UnlockDc(pDC);
return NULL;
}
success = pDC->DriverFunctions.EnableDirectDraw(
pDC->PDev, &callbacks, &surface_callbacks, &palette_callbacks);
pDC->PDev, &callbacks, &surface_callbacks, &palette_callbacks);
if (!success)
{
#ifdef DX_DEBUG
DPRINT1("DirectDraw creation failed\n");
#endif
// DirectDraw creation failed
/* DirectDraw creation failed */
DC_UnlockDc(pDC);
return NULL;
}
@ -101,9 +104,6 @@ HANDLE STDCALL NtGdiDdCreateDirectDrawObject(
if (!hDirectDraw)
{
/* No more memmory */
#ifdef DX_DEBUG
DPRINT1("No more memmory\n");
#endif
DC_UnlockDc(pDC);
return NULL;
}
@ -112,14 +112,10 @@ HANDLE STDCALL NtGdiDdCreateDirectDrawObject(
if (!pDirectDraw)
{
/* invalid handle */
#ifdef DX_DEBUG
DPRINT1("invalid handle\n");
#endif
DC_UnlockDc(pDC);
return NULL;
}
pDirectDraw->Global.dhpdev = pDC->PDev;
pDirectDraw->Local.lpGbl = &pDirectDraw->Global;
@ -128,16 +124,17 @@ HANDLE STDCALL NtGdiDdCreateDirectDrawObject(
/* DD_CALLBACKS setup */
RtlMoveMemory(&pDirectDraw->DD, &callbacks, sizeof(DD_CALLBACKS));
/* DD_SURFACECALLBACKS setup*/
/* DD_SURFACECALLBACKS setup*/
RtlMoveMemory(&pDirectDraw->Surf, &surface_callbacks, sizeof(DD_SURFACECALLBACKS));
/* DD_PALETTECALLBACKS setup*/
RtlMoveMemory(&pDirectDraw->Pal, &surface_callbacks, sizeof(DD_PALETTECALLBACKS));
RtlMoveMemory(&pDirectDraw->Pal, &palette_callbacks, sizeof(DD_PALETTECALLBACKS));
GDIOBJ_UnlockObjByPtr(DdHandleTable, pDirectDraw);
DC_UnlockDc(pDC);
DPRINT1("DirectDraw return handler\n");
return hDirectDraw;
}