| 1 | /* $Id: VBoxMPWddm.h 37626 2011-06-24 12:01:33Z vboxsync $ */
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| 2 |
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| 3 | /** @file
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| 4 | * VBox WDDM Miniport driver
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| 5 | */
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| 6 |
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| 7 | /*
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| 8 | * Copyright (C) 2011 Oracle Corporation
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| 9 | *
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| 10 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 11 | * available from http://www.virtualbox.org. This file is free software;
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| 12 | * you can redistribute it and/or modify it under the terms of the GNU
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| 13 | * General Public License (GPL) as published by the Free Software
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| 14 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 15 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 16 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 17 | */
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| 18 |
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| 19 | #ifndef ___VBoxMPWddm_h___
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| 20 | #define ___VBoxMPWddm_h___
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| 21 |
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| 22 | #include "common/VBoxMPUtils.h"
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| 23 | #include "common/VBoxMPDevExt.h"
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| 24 |
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| 25 | //#define VBOXWDDM_DEBUG_VIDPN
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| 26 |
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| 27 | RT_C_DECLS_BEGIN
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| 28 | NTSTATUS DriverEntry(IN PDRIVER_OBJECT DriverObject, IN PUNICODE_STRING RegistryPath);
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| 29 | RT_C_DECLS_END
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| 30 |
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| 31 | #ifndef DEBUG_misha
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| 32 | # ifdef Assert
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| 33 | # undef Assert
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| 34 | # define Assert(_a) do{}while(0)
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| 35 | # endif
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| 36 | # ifdef AssertBreakpoint
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| 37 | # undef AssertBreakpoint
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| 38 | # define AssertBreakpoint() do{}while(0)
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| 39 | # endif
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| 40 | # ifdef AssertFailed
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| 41 | # undef AssertFailed
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| 42 | # define AssertFailed() do{}while(0)
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| 43 | # endif
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| 44 | #endif
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| 45 |
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| 46 | PVOID vboxWddmMemAlloc(IN SIZE_T cbSize);
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| 47 | PVOID vboxWddmMemAllocZero(IN SIZE_T cbSize);
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| 48 | VOID vboxWddmMemFree(PVOID pvMem);
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| 49 |
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| 50 | NTSTATUS vboxWddmCallIsr(PVBOXMP_DEVEXT pDevExt);
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| 51 |
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| 52 | DECLINLINE(PVBOXWDDM_RESOURCE) vboxWddmResourceForAlloc(PVBOXWDDM_ALLOCATION pAlloc)
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| 53 | {
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| 54 | #if 0
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| 55 | if(pAlloc->iIndex == VBOXWDDM_ALLOCATIONINDEX_VOID)
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| 56 | return NULL;
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| 57 | PVBOXWDDM_RESOURCE pRc = (PVBOXWDDM_RESOURCE)(((uint8_t*)pAlloc) - RT_OFFSETOF(VBOXWDDM_RESOURCE, aAllocations[pAlloc->iIndex]));
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| 58 | return pRc;
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| 59 | #else
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| 60 | return pAlloc->pResource;
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| 61 | #endif
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| 62 | }
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| 63 |
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| 64 | VOID vboxWddmAllocationDestroy(PVBOXWDDM_ALLOCATION pAllocation);
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| 65 |
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| 66 | DECLINLINE(VOID) vboxWddmAllocationRelease(PVBOXWDDM_ALLOCATION pAllocation)
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| 67 | {
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| 68 | uint32_t cRefs = ASMAtomicDecU32(&pAllocation->cRefs);
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| 69 | Assert(cRefs < UINT32_MAX/2);
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| 70 | if (!cRefs)
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| 71 | {
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| 72 | vboxWddmAllocationDestroy(pAllocation);
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| 73 | }
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| 74 | }
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| 75 |
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| 76 | DECLINLINE(VOID) vboxWddmAllocationRetain(PVBOXWDDM_ALLOCATION pAllocation)
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| 77 | {
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| 78 | ASMAtomicIncU32(&pAllocation->cRefs);
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| 79 | }
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| 80 |
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| 81 |
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| 82 | #define VBOXWDDMENTRY_2_SWAPCHAIN(_pE) ((PVBOXWDDM_SWAPCHAIN)((uint8_t*)(_pE) - RT_OFFSETOF(VBOXWDDM_SWAPCHAIN, DevExtListEntry)))
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| 83 |
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| 84 | #ifdef VBOXWDDM_RENDER_FROM_SHADOW
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| 85 | # define VBOXWDDM_FB_ALLOCATION(_pSrc) ((_pSrc)->pShadowAllocation)
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| 86 | #else
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| 87 | # define VBOXWDDM_FB_ALLOCATION(_pSrc) ((_pSrc)->pPrimaryAllocation)
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| 88 | #endif
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| 89 |
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| 90 | #endif /* #ifndef ___VBoxMPWddm_h___ */
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