VirtualBox

source: vbox/trunk/src/VBox/Additions/WINNT/Graphics/Video/disp/wddm/VBoxDispCm.cpp@ 36867

Last change on this file since 36867 was 36867, checked in by vboxsync, 14 years ago

Additions/Video: display/miniport drivers
  • Property svn:eol-style set to native
  • Property svn:keywords set to Author Date Id Revision
File size: 8.6 KB
Line 
1/* $Id: VBoxDispCm.cpp 36867 2011-04-28 07:27:03Z vboxsync $ */
2
3/** @file
4 * VBoxVideo Display D3D User mode dll
5 */
6
7/*
8 * Copyright (C) 2011 Oracle Corporation
9 *
10 * This file is part of VirtualBox Open Source Edition (OSE), as
11 * available from http://www.virtualbox.org. This file is free software;
12 * you can redistribute it and/or modify it under the terms of the GNU
13 * General Public License (GPL) as published by the Free Software
14 * Foundation, in version 2 as it comes in the "COPYING" file of the
15 * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
16 * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
17 */
18
19#include "VBoxDispD3DCmn.h"
20#include "VBoxDispD3D.h"
21#include <VBoxDisplay.h>
22
23#include <iprt/list.h>
24
25
26typedef struct VBOXDISPCM_SESSION
27{
28 HANDLE hEvent;
29 CRITICAL_SECTION CritSect;
30 RTLISTNODE CtxList;
31 bool bQueryMp;
32} VBOXDISPCM_SESSION, *PVBOXDISPCM_SESSION;
33
34typedef struct VBOXDISPCM_MGR
35{
36 VBOXDISPCM_SESSION Session;
37} VBOXDISPCM_MGR, *PVBOXDISPCM_MGR;
38
39/* the cm is one per process */
40static VBOXDISPCM_MGR g_pVBoxCmMgr;
41
42HRESULT vboxDispCmSessionTerm(PVBOXDISPCM_SESSION pSession)
43{
44#ifdef DEBUG_misha
45 Assert(RTListIsEmpty(&pSession->CtxList));
46#endif
47 BOOL bRc = CloseHandle(pSession->hEvent);
48 Assert(bRc);
49 if (bRc)
50 {
51 DeleteCriticalSection(&pSession->CritSect);
52 return S_OK;
53 }
54 DWORD winEr = GetLastError();
55 HRESULT hr = HRESULT_FROM_WIN32(winEr);
56 return hr;
57}
58
59HRESULT vboxDispCmSessionInit(PVBOXDISPCM_SESSION pSession)
60{
61 HANDLE hEvent = CreateEvent(NULL,
62 FALSE, /* BOOL bManualReset */
63 FALSE, /* BOOL bInitialState */
64 NULL /* LPCTSTR lpName */
65 );
66 Assert(hEvent);
67 if (hEvent)
68 {
69 pSession->hEvent = hEvent;
70 InitializeCriticalSection(&pSession->CritSect);
71 RTListInit(&pSession->CtxList);
72 pSession->bQueryMp = false;
73 return S_OK;
74 }
75 DWORD winEr = GetLastError();
76 HRESULT hr = HRESULT_FROM_WIN32(winEr);
77 return hr;
78}
79
80void vboxDispCmSessionCtxAdd(PVBOXDISPCM_SESSION pSession, PVBOXWDDMDISP_CONTEXT pContext)
81{
82 EnterCriticalSection(&pSession->CritSect);
83 RTListAppend(&pSession->CtxList, &pContext->ListNode);
84 LeaveCriticalSection(&pSession->CritSect);
85}
86
87void vboxDispCmSessionCtxRemoveLocked(PVBOXDISPCM_SESSION pSession, PVBOXWDDMDISP_CONTEXT pContext)
88{
89 RTListNodeRemove(&pContext->ListNode);
90}
91
92void vboxDispCmSessionCtxRemove(PVBOXDISPCM_SESSION pSession, PVBOXWDDMDISP_CONTEXT pContext)
93{
94 EnterCriticalSection(&pSession->CritSect);
95 vboxDispCmSessionCtxRemoveLocked(pSession, pContext);
96 LeaveCriticalSection(&pSession->CritSect);
97}
98
99HRESULT vboxDispCmInit()
100{
101 HRESULT hr = vboxDispCmSessionInit(&g_pVBoxCmMgr.Session);
102 Assert(hr == S_OK);
103 return hr;
104}
105
106HRESULT vboxDispCmTerm()
107{
108 HRESULT hr = vboxDispCmSessionTerm(&g_pVBoxCmMgr.Session);
109 Assert(hr == S_OK);
110 return hr;
111}
112
113HRESULT vboxDispCmCtxCreate(PVBOXWDDMDISP_DEVICE pDevice, PVBOXWDDMDISP_CONTEXT pContext)
114{
115 VBOXWDDM_CREATECONTEXT_INFO Info;
116 Info.u32IfVersion = pDevice->u32IfVersion;
117 Info.enmType = VBOXDISPMODE_IS_3D(pDevice->pAdapter) ? VBOXWDDM_CONTEXT_TYPE_CUSTOM_3D : VBOXWDDM_CONTEXT_TYPE_CUSTOM_2D;
118 Info.hUmEvent = (uint64_t)g_pVBoxCmMgr.Session.hEvent;
119 Info.u64UmInfo = (uint64_t)pContext;
120
121 pContext->ContextInfo.NodeOrdinal = 0;
122 pContext->ContextInfo.EngineAffinity = 0;
123 pContext->ContextInfo.Flags.Value = 0;
124 pContext->ContextInfo.pPrivateDriverData = &Info;
125 pContext->ContextInfo.PrivateDriverDataSize = sizeof (Info);
126 pContext->ContextInfo.hContext = 0;
127 pContext->ContextInfo.pCommandBuffer = NULL;
128 pContext->ContextInfo.CommandBufferSize = 0;
129 pContext->ContextInfo.pAllocationList = NULL;
130 pContext->ContextInfo.AllocationListSize = 0;
131 pContext->ContextInfo.pPatchLocationList = NULL;
132 pContext->ContextInfo.PatchLocationListSize = 0;
133
134 HRESULT hr = S_OK;
135 hr = pDevice->RtCallbacks.pfnCreateContextCb(pDevice->hDevice, &pContext->ContextInfo);
136 Assert(hr == S_OK);
137 if (hr == S_OK)
138 {
139 Assert(pContext->ContextInfo.hContext);
140 pContext->ContextInfo.pPrivateDriverData = NULL;
141 pContext->ContextInfo.PrivateDriverDataSize = 0;
142 vboxDispCmSessionCtxAdd(&g_pVBoxCmMgr.Session, pContext);
143 pContext->pDevice = pDevice;
144 }
145 else
146 {
147 exit(1);
148 }
149
150 return hr;
151}
152
153HRESULT vboxDispCmSessionCtxDestroy(PVBOXDISPCM_SESSION pSession, PVBOXWDDMDISP_DEVICE pDevice, PVBOXWDDMDISP_CONTEXT pContext)
154{
155 EnterCriticalSection(&pSession->CritSect);
156 Assert(pContext->ContextInfo.hContext);
157 D3DDDICB_DESTROYCONTEXT DestroyContext;
158 Assert(pDevice->DefaultContext.ContextInfo.hContext);
159 DestroyContext.hContext = pDevice->DefaultContext.ContextInfo.hContext;
160 HRESULT hr = pDevice->RtCallbacks.pfnDestroyContextCb(pDevice->hDevice, &DestroyContext);
161 Assert(hr == S_OK);
162 if (hr == S_OK)
163 {
164 vboxDispCmSessionCtxRemoveLocked(pSession, pContext);
165 }
166 LeaveCriticalSection(&pSession->CritSect);
167 return hr;
168}
169
170HRESULT vboxDispCmCtxDestroy(PVBOXWDDMDISP_DEVICE pDevice, PVBOXWDDMDISP_CONTEXT pContext)
171{
172 return vboxDispCmSessionCtxDestroy(&g_pVBoxCmMgr.Session, pDevice, pContext);
173}
174
175static HRESULT vboxDispCmSessionCmdQueryData(PVBOXDISPCM_SESSION pSession, PVBOXDISPIFESCAPE_GETVBOXVIDEOCMCMD pCmd, uint32_t cbCmd)
176{
177
178 HRESULT hr = S_OK;
179 D3DDDICB_ESCAPE DdiEscape;
180 DdiEscape.Flags.Value = 0;
181 DdiEscape.pPrivateDriverData = pCmd;
182 DdiEscape.PrivateDriverDataSize = cbCmd;
183
184 pCmd->EscapeHdr.escapeCode = VBOXESC_GETVBOXVIDEOCMCMD;
185 /* lock to ensure the context is not destroyed */
186 EnterCriticalSection(&pSession->CritSect);
187 /* use any context for identifying the kernel CmSession. We're using the first one */
188 PVBOXWDDMDISP_CONTEXT pContext = RTListGetFirst(&pSession->CtxList, VBOXWDDMDISP_CONTEXT, ListNode);
189 if (pContext)
190 {
191 PVBOXWDDMDISP_DEVICE pDevice = pContext->pDevice;
192 DdiEscape.hDevice = pDevice->hDevice;
193 DdiEscape.hContext = pContext->ContextInfo.hContext;
194 Assert (DdiEscape.hContext);
195 Assert (DdiEscape.hDevice);
196 hr = pDevice->RtCallbacks.pfnEscapeCb(pDevice->pAdapter->hAdapter, &DdiEscape);
197 LeaveCriticalSection(&pSession->CritSect);
198 Assert(hr == S_OK);
199 if (hr == S_OK)
200 {
201 if (!pCmd->Hdr.cbCmdsReturned && !pCmd->Hdr.cbRemainingFirstCmd)
202 hr = S_FALSE;
203 }
204 else
205 {
206 vboxVDbgPrint(("DispD3D: vboxDispCmSessionCmdQueryData, pfnEscapeCb failed hr (0x%x)\n", hr));
207 exit(1);
208 }
209 }
210 else
211 {
212 LeaveCriticalSection(&pSession->CritSect);
213 hr = S_FALSE;
214 }
215
216 return hr;
217}
218
219HRESULT vboxDispCmSessionCmdGet(PVBOXDISPCM_SESSION pSession, PVBOXDISPIFESCAPE_GETVBOXVIDEOCMCMD pCmd, uint32_t cbCmd, DWORD dwMilliseconds)
220{
221 Assert(cbCmd >= sizeof (VBOXDISPIFESCAPE_GETVBOXVIDEOCMCMD));
222 if (cbCmd < sizeof (VBOXDISPIFESCAPE_GETVBOXVIDEOCMCMD))
223 return E_INVALIDARG;
224
225 do
226 {
227
228 if (pSession->bQueryMp)
229 {
230 HRESULT hr = vboxDispCmSessionCmdQueryData(pSession, pCmd, cbCmd);
231 Assert(hr == S_OK || hr == S_FALSE);
232 if (hr == S_OK || hr != S_FALSE)
233 {
234 return hr;
235 }
236
237 pSession->bQueryMp = false;
238 }
239
240 DWORD dwResult = WaitForSingleObject(pSession->hEvent, dwMilliseconds);
241 switch(dwResult)
242 {
243 case WAIT_OBJECT_0:
244 {
245 pSession->bQueryMp = true;
246 break; /* <- query commands */
247 }
248 case WAIT_TIMEOUT:
249 {
250 Assert(!pSession->bQueryMp);
251 return WAIT_TIMEOUT;
252 }
253 default:
254 Assert(0);
255 return E_FAIL;
256 }
257 } while (1);
258
259 /* should never be here */
260 Assert(0);
261 return E_FAIL;
262}
263
264HRESULT vboxDispCmCmdGet(PVBOXDISPIFESCAPE_GETVBOXVIDEOCMCMD pCmd, uint32_t cbCmd, DWORD dwMilliseconds)
265{
266 return vboxDispCmSessionCmdGet(&g_pVBoxCmMgr.Session, pCmd, cbCmd, dwMilliseconds);
267}
268
269void vboxDispCmLog(LPCSTR pszMsg)
270{
271 PVBOXDISPCM_SESSION pSession = &g_pVBoxCmMgr.Session;
272
273 EnterCriticalSection(&pSession->CritSect);
274 /* use any context for identifying the kernel CmSession. We're using the first one */
275 PVBOXWDDMDISP_CONTEXT pContext = RTListGetFirst(&pSession->CtxList, VBOXWDDMDISP_CONTEXT, ListNode);
276 Assert(pContext);
277 if (pContext)
278 {
279 PVBOXWDDMDISP_DEVICE pDevice = pContext->pDevice;
280 Assert(pDevice);
281 vboxVDbgPrint(("%s", pszMsg));
282 }
283 LeaveCriticalSection(&pSession->CritSect);
284}
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