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/d3d.c
6 * PROGRAMER: Sebastian Gasiorek (sebastian.gasiorek@reactos.org)
7 */
8
9 #include <string.h>
10 #include <dxg_int.h>
11
12 DWORD
13 NTAPI
DxDdCanCreateD3DBuffer(HANDLE DdHandle,PDD_CANCREATESURFACEDATA SurfaceData)14 DxDdCanCreateD3DBuffer(
15 HANDLE DdHandle,
16 PDD_CANCREATESURFACEDATA SurfaceData)
17 {
18 PEDD_DIRECTDRAW_LOCAL peDdL;
19 PEDD_DIRECTDRAW_GLOBAL peDdGl;
20 DWORD RetVal = DDHAL_DRIVER_NOTHANDLED;
21
22 peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(DdHandle, ObjType_DDLOCAL_TYPE, FALSE);
23 if (!peDdL)
24 return RetVal;
25
26 peDdGl = peDdL->peDirectDrawGlobal2;
27 gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
28
29 // assign out DirectDrawGlobal to SurfaceData
30 SurfaceData->lpDD = (PDD_DIRECTDRAW_GLOBAL)peDdGl;
31
32 if (peDdGl->d3dBufCallbacks.CanCreateD3DBuffer)
33 RetVal = peDdGl->d3dBufCallbacks.CanCreateD3DBuffer(SurfaceData);
34
35 gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
36 InterlockedDecrement((VOID*)&peDdL->pobj.cExclusiveLock);
37
38 return RetVal;
39 }
40
41 DWORD
42 FASTCALL
intDdCreateSurfaceOrBuffer(HANDLE hDirectDrawLocal,PEDD_SURFACE pDdSurfList,DDSURFACEDESC2 * a3,DD_SURFACE_GLOBAL * pDdSurfGlob,DD_SURFACE_LOCAL * pDdSurfLoc,DD_SURFACE_MORE * pDdSurfMore,DD_CREATESURFACEDATA * pDdCreateSurfaceData,PVOID Address)43 intDdCreateSurfaceOrBuffer(HANDLE hDirectDrawLocal,
44 PEDD_SURFACE pDdSurfList, DDSURFACEDESC2 *a3,
45 DD_SURFACE_GLOBAL *pDdSurfGlob,
46 DD_SURFACE_LOCAL *pDdSurfLoc,
47 DD_SURFACE_MORE *pDdSurfMore,
48 DD_CREATESURFACEDATA *pDdCreateSurfaceData,
49 PVOID Address)
50 {
51 PEDD_DIRECTDRAW_LOCAL peDdL = NULL;
52 PEDD_DIRECTDRAW_GLOBAL peDdGl = NULL;
53 DD_SURFACE_LOCAL *pCurSurfLocal;
54 DD_SURFACE_GLOBAL *pCurSurfGlobal;
55 DD_SURFACE_MORE *pCurSurfMore;
56 PEDD_SURFACE pCurSurf;
57
58 ULONG CurSurf;
59
60 if (!pDdCreateSurfaceData)
61 return FALSE;
62
63 if (!pDdCreateSurfaceData->dwSCnt)
64 {
65 pDdCreateSurfaceData->ddRVal = E_FAIL;
66 return FALSE;
67 }
68
69 peDdL = (PEDD_DIRECTDRAW_LOCAL)DdHmgLock(hDirectDrawLocal, ObjType_DDLOCAL_TYPE, FALSE);
70 if (!peDdL)
71 return FALSE;
72
73 peDdGl = peDdL->peDirectDrawGlobal2;
74
75 if (!(pDdSurfLoc->ddsCaps.dwCaps & DDSCAPS_VISIBLE) && !(peDdGl->ddCallbacks.dwFlags & DDHAL_CB32_CREATESURFACE))
76 {
77 pDdCreateSurfaceData->ddRVal = E_FAIL;
78 return FALSE;
79 }
80
81 pDdSurfList = (PEDD_SURFACE)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(EDD_SURFACE), TAG_GDDP);
82 pDdSurfGlob = (DD_SURFACE_GLOBAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_GLOBAL), TAG_GDDP);
83 pDdSurfLoc = (DD_SURFACE_LOCAL *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_LOCAL), TAG_GDDP);
84 pDdSurfMore = (DD_SURFACE_MORE *)EngAllocMem(FL_ZERO_MEMORY, pDdCreateSurfaceData->dwSCnt * sizeof(DD_SURFACE_MORE), TAG_GDDP);
85
86 gpEngFuncs.DxEngLockShareSem();
87 gpEngFuncs.DxEngLockHdev(peDdGl->hDev);
88
89 // create all surface objects
90 for (CurSurf = 0; CurSurf < pDdCreateSurfaceData->dwSCnt; CurSurf++)
91 {
92 pCurSurf = &pDdSurfList[CurSurf];
93 pCurSurfLocal = &pDdSurfLoc[CurSurf];
94 pCurSurfGlobal = &pDdSurfGlob[CurSurf];
95 pCurSurfMore = &pDdSurfMore[CurSurf];
96
97 pCurSurf = intDdCreateNewSurfaceObject(
98 peDdL,
99 pCurSurf,
100 pCurSurfGlobal,
101 pCurSurfLocal,
102 pCurSurfMore);
103 Address = pCurSurf;
104 }
105
106 gpEngFuncs.DxEngUnlockHdev(peDdGl->hDev);
107 gpEngFuncs.DxEngUnlockShareSem();
108
109 return DDHAL_DRIVER_HANDLED;
110 }
111
112 DWORD
113 NTAPI
DxDdCreateD3DBuffer(HANDLE hDirectDrawLocal,PEDD_SURFACE pDdSurfList,DDSURFACEDESC2 * a3,DD_SURFACE_GLOBAL * pDdSurfGlob,DD_SURFACE_LOCAL * pDdSurfLoc,DD_SURFACE_MORE * pDdSurfMore,DD_CREATESURFACEDATA * pDdCreateSurfaceData,PVOID Address)114 DxDdCreateD3DBuffer(
115 HANDLE hDirectDrawLocal,
116 PEDD_SURFACE pDdSurfList,
117 DDSURFACEDESC2 *a3,
118 DD_SURFACE_GLOBAL *pDdSurfGlob,
119 DD_SURFACE_LOCAL *pDdSurfLoc,
120 DD_SURFACE_MORE *pDdSurfMore,
121 DD_CREATESURFACEDATA *pDdCreateSurfaceData,
122 PVOID Address)
123 {
124 return intDdCreateSurfaceOrBuffer(hDirectDrawLocal, pDdSurfList, a3, pDdSurfGlob, pDdSurfLoc, pDdSurfMore, pDdCreateSurfaceData, Address);
125 }
126