qxl-wddm-dod/qxldod/QxlDod.h

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#pragma once
#include "baseobject.h"
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#define MAX_CHILDREN 1
#define MAX_VIEWS 1
#define BITS_PER_BYTE 8
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typedef struct _QXL_FLAGS
{
UINT DriverStarted : 1; // ( 1) 1 after StartDevice and 0 after StopDevice
UINT Unused : 31;
} QXL_FLAGS;
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// For the following macros, c must be a UCHAR.
#define UPPER_6_BITS(c) (((c) & rMaskTable[6 - 1]) >> 2)
#define UPPER_5_BITS(c) (((c) & rMaskTable[5 - 1]) >> 3)
#define LOWER_6_BITS(c) (((BYTE)(c)) & lMaskTable[BITS_PER_BYTE - 6])
#define LOWER_5_BITS(c) (((BYTE)(c)) & lMaskTable[BITS_PER_BYTE - 5])
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#define SHIFT_FOR_UPPER_5_IN_565 (6 + 5)
#define SHIFT_FOR_MIDDLE_6_IN_565 (5)
#define SHIFT_UPPER_5_IN_565_BACK ((BITS_PER_BYTE * 2) + (BITS_PER_BYTE - 5))
#define SHIFT_MIDDLE_6_IN_565_BACK ((BITS_PER_BYTE * 1) + (BITS_PER_BYTE - 6))
#define SHIFT_LOWER_5_IN_565_BACK ((BITS_PER_BYTE * 0) + (BITS_PER_BYTE - 5))
#pragma pack(push)
#pragma pack(1)
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typedef struct
{
CHAR Signature[4];
USHORT Version;
ULONG OemStringPtr;
LONG Capabilities;
ULONG VideoModePtr;
USHORT TotalMemory;
USHORT OemSoftwareRevision;
ULONG OemVendorNamePtr;
ULONG OemProductNamePtr;
ULONG OemProductRevPtr;
CHAR Reserved[222];
// CHAR OemData[256];
} VBE_INFO, *PVBE_INFO;
typedef struct
{
/* Mandatory information for all VBE revisions */
USHORT ModeAttributes;
UCHAR WinAAttributes;
UCHAR WinBAttributes;
USHORT WinGranularity;
USHORT WinSize;
USHORT WinASegment;
USHORT WinBSegment;
ULONG WinFuncPtr;
USHORT BytesPerScanLine;
/* Mandatory information for VBE 1.2 and above */
USHORT XResolution;
USHORT YResolution;
UCHAR XCharSize;
UCHAR YCharSize;
UCHAR NumberOfPlanes;
UCHAR BitsPerPixel;
UCHAR NumberOfBanks;
UCHAR MemoryModel;
UCHAR BankSize;
UCHAR NumberOfImagePages;
UCHAR Reserved1;
/* Direct Color fields (required for Direct/6 and YUV/7 memory models) */
UCHAR RedMaskSize;
UCHAR RedFieldPosition;
UCHAR GreenMaskSize;
UCHAR GreenFieldPosition;
UCHAR BlueMaskSize;
UCHAR BlueFieldPosition;
UCHAR ReservedMaskSize;
UCHAR ReservedFieldPosition;
UCHAR DirectColorModeInfo;
/* Mandatory information for VBE 2.0 and above */
ULONG PhysBasePtr;
ULONG Reserved2;
USHORT Reserved3;
/* Mandatory information for VBE 3.0 and above */
USHORT LinBytesPerScanLine;
UCHAR BnkNumberOfImagePages;
UCHAR LinNumberOfImagePages;
UCHAR LinRedMaskSize;
UCHAR LinRedFieldPosition;
UCHAR LinGreenMaskSize;
UCHAR LinGreenFieldPosition;
UCHAR LinBlueMaskSize;
UCHAR LinBlueFieldPosition;
UCHAR LinReservedMaskSize;
UCHAR LinReservedFieldPosition;
ULONG MaxPixelClock;
CHAR Reserved4[189];
} VBE_MODEINFO, *PVBE_MODEINFO;
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#pragma pack(pop)
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typedef struct _X86BIOS_REGISTERS // invented names
{
ULONG Eax;
ULONG Ecx;
ULONG Edx;
ULONG Ebx;
ULONG Ebp;
ULONG Esi;
ULONG Edi;
USHORT SegDs;
USHORT SegEs;
} X86BIOS_REGISTERS, *PX86BIOS_REGISTERS;
/* Undocumented imports from the HAL */
#ifdef __cplusplus
extern "C" {
#endif
NTHALAPI BOOLEAN x86BiosCall (ULONG, PX86BIOS_REGISTERS);
NTHALAPI NTSTATUS x86BiosAllocateBuffer (ULONG *, USHORT *, USHORT *);
NTHALAPI NTSTATUS x86BiosFreeBuffer (USHORT, USHORT);
NTHALAPI NTSTATUS x86BiosReadMemory (USHORT, USHORT, PVOID, ULONG);
NTHALAPI NTSTATUS x86BiosWriteMemory (USHORT, USHORT, PVOID, ULONG);
#ifdef __cplusplus
}
#endif
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struct DoPresentMemory
{
PVOID DstAddr;
UINT DstStride;
ULONG DstBitPerPixel;
UINT SrcWidth;
UINT SrcHeight;
BYTE* SrcAddr;
LONG SrcPitch;
ULONG NumMoves; // in: Number of screen to screen moves
D3DKMT_MOVE_RECT* Moves; // in: Point to the list of moves
ULONG NumDirtyRects; // in: Number of direct rects
RECT* DirtyRect; // in: Point to the list of dirty rects
D3DKMDT_VIDPN_PRESENT_PATH_ROTATION Rotation;
D3DDDI_VIDEO_PRESENT_SOURCE_ID SourceID;
HANDLE hAdapter;
PMDL Mdl;
PVOID DisplaySource;
};
typedef struct _BLT_INFO
{
PVOID pBits;
UINT Pitch;
UINT BitsPerPel;
POINT Offset; // To unrotated top-left of dirty rects
D3DKMDT_VIDPN_PRESENT_PATH_ROTATION Rotation;
UINT Width; // For the unrotated image
UINT Height; // For the unrotated image
} BLT_INFO;
// Represents the current mode, may not always be set (i.e. frame buffer mapped) if representing the mode passed in on single mode setups.
typedef struct _CURRENT_BDD_MODE
{
// The source mode currently set for HW Framebuffer
// For sample driver this info filled in StartDevice by the OS and never changed.
DXGK_DISPLAY_INFORMATION DispInfo;
// The rotation of the current mode. Rotation is performed in software during Present call
D3DKMDT_VIDPN_PRESENT_PATH_ROTATION Rotation;
D3DKMDT_VIDPN_PRESENT_PATH_SCALING Scaling;
// This mode might be different from one which are supported for HW frame buffer
// Scaling/displasment might be needed (if supported)
UINT SrcModeWidth;
UINT SrcModeHeight;
// Various boolean flags the struct uses
struct _CURRENT_BDD_MODE_FLAGS
{
UINT SourceNotVisible : 1; // 0 if source is visible
UINT FullscreenPresent : 1; // 0 if should use dirty rects for present
UINT FrameBufferIsActive : 1; // 0 if not currently active (i.e. target not connected to source)
UINT DoNotMapOrUnmap : 1; // 1 if the FrameBuffer should not be (un)mapped during normal execution
UINT IsInternal : 1; // 1 if it was determined (i.e. through ACPI) that an internal panel is being driven
UINT Unused : 27;
} Flags;
// The start and end of physical memory known to be all zeroes. Used to optimize the BlackOutScreen function to not write
// zeroes to memory already known to be zero. (Physical address is located in DispInfo)
PHYSICAL_ADDRESS ZeroedOutStart;
PHYSICAL_ADDRESS ZeroedOutEnd;
// Linear frame buffer pointer
// A union with a ULONG64 is used here to ensure this struct looks the same on 32bit and 64bit builds
// since the size of a VOID* changes depending on the build.
union
{
VOID* Ptr;
ULONG64 Force8Bytes;
} FrameBuffer;
} CURRENT_BDD_MODE;
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class QxlDod :
public BaseObject
{
private:
DEVICE_OBJECT* m_pPhysicalDevice;
DXGKRNL_INTERFACE m_DxgkInterface;
DXGK_DEVICE_INFO m_DeviceInfo;
DEVICE_POWER_STATE m_MonitorPowerState;
DEVICE_POWER_STATE m_AdapterPowerState;
QXL_FLAGS m_Flags;
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PVBE_MODEINFO m_ModeInfo;
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ULONG m_ModeCount;
PUSHORT m_ModeNumbers;
USHORT m_CurrentMode;
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CURRENT_BDD_MODE m_CurrentModes[MAX_VIEWS];
D3DDDI_VIDEO_PRESENT_SOURCE_ID m_SystemDisplaySourceId;
DXGKARG_SETPOINTERSHAPE m_PointerShape;
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public:
QxlDod(_In_ DEVICE_OBJECT* pPhysicalDeviceObject);
~QxlDod(void);
#pragma code_seg(push)
#pragma code_seg()
BOOLEAN IsDriverActive() const
{
return m_Flags.DriverStarted;
}
#pragma code_seg(pop)
NTSTATUS StartDevice(_In_ DXGK_START_INFO* pDxgkStartInfo,
_In_ DXGKRNL_INTERFACE* pDxgkInterface,
_Out_ ULONG* pNumberOfViews,
_Out_ ULONG* pNumberOfChildren);
NTSTATUS StopDevice(VOID);
// Must be Non-Paged
VOID ResetDevice(VOID);
NTSTATUS DispatchIoRequest(_In_ ULONG VidPnSourceId,
_In_ VIDEO_REQUEST_PACKET* pVideoRequestPacket);
NTSTATUS SetPowerState(_In_ ULONG HardwareUid,
_In_ DEVICE_POWER_STATE DevicePowerState,
_In_ POWER_ACTION ActionType);
// Report back child capabilities
NTSTATUS QueryChildRelations(_Out_writes_bytes_(ChildRelationsSize) DXGK_CHILD_DESCRIPTOR* pChildRelations,
_In_ ULONG ChildRelationsSize);
NTSTATUS QueryChildStatus(_Inout_ DXGK_CHILD_STATUS* pChildStatus,
_In_ BOOLEAN NonDestructiveOnly);
// Return EDID if previously retrieved
NTSTATUS QueryDeviceDescriptor(_In_ ULONG ChildUid,
_Inout_ DXGK_DEVICE_DESCRIPTOR* pDeviceDescriptor);
// Must be Non-Paged
// BDD doesn't have interrupts, so just returns false
BOOLEAN InterruptRoutine(_In_ ULONG MessageNumber);
VOID DpcRoutine(VOID);
// Return DriverCaps, doesn't support other queries though
NTSTATUS QueryAdapterInfo(_In_ CONST DXGKARG_QUERYADAPTERINFO* pQueryAdapterInfo);
NTSTATUS SetPointerPosition(_In_ CONST DXGKARG_SETPOINTERPOSITION* pSetPointerPosition);
NTSTATUS SetPointerShape(_In_ CONST DXGKARG_SETPOINTERSHAPE* pSetPointerShape);
NTSTATUS Escape(_In_ CONST DXGKARG_ESCAPE* pEscape);
NTSTATUS PresentDisplayOnly(_In_ CONST DXGKARG_PRESENT_DISPLAYONLY* pPresentDisplayOnly);
NTSTATUS QueryInterface(_In_ CONST PQUERY_INTERFACE QueryInterface);
NTSTATUS IsSupportedVidPn(_Inout_ DXGKARG_ISSUPPORTEDVIDPN* pIsSupportedVidPn);
NTSTATUS RecommendFunctionalVidPn(_In_ CONST DXGKARG_RECOMMENDFUNCTIONALVIDPN* CONST pRecommendFunctionalVidPn);
NTSTATUS RecommendVidPnTopology(_In_ CONST DXGKARG_RECOMMENDVIDPNTOPOLOGY* CONST pRecommendVidPnTopology);
NTSTATUS RecommendMonitorModes(_In_ CONST DXGKARG_RECOMMENDMONITORMODES* CONST pRecommendMonitorModes);
NTSTATUS EnumVidPnCofuncModality(_In_ CONST DXGKARG_ENUMVIDPNCOFUNCMODALITY* CONST pEnumCofuncModality);
NTSTATUS SetVidPnSourceVisibility(_In_ CONST DXGKARG_SETVIDPNSOURCEVISIBILITY* pSetVidPnSourceVisibility);
NTSTATUS CommitVidPn(_In_ CONST DXGKARG_COMMITVIDPN* CONST pCommitVidPn);
NTSTATUS UpdateActiveVidPnPresentPath(_In_ CONST DXGKARG_UPDATEACTIVEVIDPNPRESENTPATH* CONST pUpdateActiveVidPnPresentPath);
NTSTATUS QueryVidPnHWCapability(_Inout_ DXGKARG_QUERYVIDPNHWCAPABILITY* pVidPnHWCaps);
// Part of PnPStop (PnP instance only), returns current mode information (which will be passed to fallback instance by dxgkrnl)
NTSTATUS StopDeviceAndReleasePostDisplayOwnership(_In_ D3DDDI_VIDEO_PRESENT_TARGET_ID TargetId,
_Out_ DXGK_DISPLAY_INFORMATION* pDisplayInfo);
// Must be Non-Paged
// Call to initialize as part of bugcheck
NTSTATUS SystemDisplayEnable(_In_ D3DDDI_VIDEO_PRESENT_TARGET_ID TargetId,
_In_ PDXGKARG_SYSTEM_DISPLAY_ENABLE_FLAGS Flags,
_Out_ UINT* pWidth,
_Out_ UINT* pHeight,
_Out_ D3DDDIFORMAT* pColorFormat);
// Must be Non-Paged
// Write out pixels as part of bugcheck
VOID SystemDisplayWrite(_In_reads_bytes_(SourceHeight * SourceStride) VOID* pSource,
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_In_ UINT SourceWidth,
_In_ UINT SourceHeight,
_In_ UINT SourceStride,
_In_ INT PositionX,
_In_ INT PositionY);
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private:
VOID CleanUp(VOID);
NTSTATUS WriteHWInfoStr(_In_ HANDLE DevInstRegKeyHandle, _In_ PCWSTR pszwValueName, _In_ PCSTR pszValue);
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// Set the given source mode on the given path
NTSTATUS SetSourceModeAndPath(CONST D3DKMDT_VIDPN_SOURCE_MODE* pSourceMode,
CONST D3DKMDT_VIDPN_PRESENT_PATH* pPath);
// Add the current mode to the given monitor source mode set
NTSTATUS AddSingleMonitorMode(_In_ CONST DXGKARG_RECOMMENDMONITORMODES* CONST pRecommendMonitorModes);
// Add the current mode to the given VidPn source mode set
NTSTATUS AddSingleSourceMode(_In_ CONST DXGK_VIDPNSOURCEMODESET_INTERFACE* pVidPnSourceModeSetInterface,
D3DKMDT_HVIDPNSOURCEMODESET hVidPnSourceModeSet,
D3DDDI_VIDEO_PRESENT_SOURCE_ID SourceId);
// Add the current mode (or the matching to pinned source mode) to the give VidPn target mode set
NTSTATUS AddSingleTargetMode(_In_ CONST DXGK_VIDPNTARGETMODESET_INTERFACE* pVidPnTargetModeSetInterface,
D3DKMDT_HVIDPNTARGETMODESET hVidPnTargetModeSet,
_In_opt_ CONST D3DKMDT_VIDPN_SOURCE_MODE* pVidPnPinnedSourceModeInfo,
D3DDDI_VIDEO_PRESENT_SOURCE_ID SourceId);
D3DDDI_VIDEO_PRESENT_SOURCE_ID FindSourceForTarget(D3DDDI_VIDEO_PRESENT_TARGET_ID TargetId, BOOLEAN DefaultToZero);
NTSTATUS IsVidPnSourceModeFieldsValid(CONST D3DKMDT_VIDPN_SOURCE_MODE* pSourceMode) const;
NTSTATUS IsVidPnPathFieldsValid(CONST D3DKMDT_VIDPN_PRESENT_PATH* pPath) const;
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NTSTATUS RegisterHWInfo();
NTSTATUS VbeGetModeList();
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NTSTATUS ExecutePresentDisplayOnly(_In_ BYTE* DstAddr,
_In_ UINT DstBitPerPixel,
_In_ BYTE* SrcAddr,
_In_ UINT SrcBytesPerPixel,
_In_ LONG SrcPitch,
_In_ ULONG NumMoves,
_In_ D3DKMT_MOVE_RECT* pMoves,
_In_ ULONG NumDirtyRects,
_In_ RECT* pDirtyRect,
_In_ D3DKMDT_VIDPN_PRESENT_PATH_ROTATION Rotation);
BYTE* GetRowStart(_In_ CONST BLT_INFO* pBltInfo, CONST RECT* pRect);
VOID GetPitches(_In_ CONST BLT_INFO* pBltInfo, _Out_ LONG* pPixelPitch, _Out_ LONG* pRowPitch);
VOID CopyBitsGeneric(
BLT_INFO* pDst,
CONST BLT_INFO* pSrc,
UINT NumRects,
_In_reads_(NumRects) CONST RECT *pRects);
VOID CopyBits32_32(
BLT_INFO* pDst,
CONST BLT_INFO* pSrc,
UINT NumRects,
_In_reads_(NumRects) CONST RECT *pRects);
VOID BltBits (
BLT_INFO* pDst,
CONST BLT_INFO* pSrc,
UINT NumRects,
_In_reads_(NumRects) CONST RECT *pRects);
VOID BlackOutScreen(D3DDDI_VIDEO_PRESENT_SOURCE_ID SourceId);
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NTSTATUS VbeQueryCurrentMode(PVIDEO_MODE RequestedMode);
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NTSTATUS VbeSetCurrentMode(ULONG Mode);
NTSTATUS VbeGetCurrentMode(ULONG* Mode);
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NTSTATUS VbeSetPowerState(POWER_ACTION ActionType);
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UINT BPPFromPixelFormat(D3DDDIFORMAT Format) const
{
switch (Format)
{
case D3DDDIFMT_UNKNOWN: return 0;
case D3DDDIFMT_P8: return 8;
case D3DDDIFMT_R5G6B5: return 16;
case D3DDDIFMT_R8G8B8: return 24;
case D3DDDIFMT_X8R8G8B8: // fall through
case D3DDDIFMT_A8R8G8B8: return 32;
default: QXL_LOG_ASSERTION1("Unknown D3DDDIFORMAT 0x%I64x", Format); return 0;
}
}
// Given bits per pixel, return the pixel format at the same bpp
D3DDDIFORMAT PixelFormatFromBPP(UINT BPP) const
{
switch (BPP)
{
case 8: return D3DDDIFMT_P8;
case 16: return D3DDDIFMT_R5G6B5;
case 24: return D3DDDIFMT_R8G8B8;
case 32: return D3DDDIFMT_X8R8G8B8;
default: QXL_LOG_ASSERTION1("A bit per pixel of 0x%I64x is not supported.", BPP); return D3DDDIFMT_UNKNOWN;
}
}
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};
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NTSTATUS
MapFrameBuffer(
_In_ PHYSICAL_ADDRESS PhysicalAddress,
_In_ ULONG Length,
_Outptr_result_bytebuffer_(Length) VOID** VirtualAddress);
NTSTATUS
UnmapFrameBuffer(
_In_reads_bytes_(Length) VOID* VirtualAddress,
_In_ ULONG Length);