Adding upstream version 7.0.20-dfsg.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
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include/VBox/Graphics/VBoxVideoGuest.h
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include/VBox/Graphics/VBoxVideoGuest.h
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/* $Id: VBoxVideoGuest.h $ */
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/** @file
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* VBox Host Guest Shared Memory Interface (HGSMI) - OS-independent guest structures.
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*/
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/*
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* Copyright (C) 2006-2023 Oracle and/or its affiliates.
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*
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* Permission is hereby granted, free of charge, to any person
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* obtaining a copy of this software and associated documentation
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* files (the "Software"), to deal in the Software without
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* restriction, including without limitation the rights to use,
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* copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following
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* conditions:
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*
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* The above copyright notice and this permission notice shall be
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* included in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES
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* OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
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* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
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* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY,
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* WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef VBOX_INCLUDED_Graphics_VBoxVideoGuest_h
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#define VBOX_INCLUDED_Graphics_VBoxVideoGuest_h
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#ifndef RT_WITHOUT_PRAGMA_ONCE
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# pragma once
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#endif
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#include "VBoxVideoIPRT.h"
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#include "HGSMIBase.h"
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#include "VBoxVideo.h"
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RT_C_DECLS_BEGIN
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/**
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* Structure grouping the context needed for sending graphics acceleration
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* information to the host via VBVA. Each screen has its own VBVA buffer.
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*/
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typedef struct VBVABUFFERCONTEXT
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{
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/** Offset of the buffer in the VRAM section for the screen */
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uint32_t offVRAMBuffer;
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/** Length of the buffer in bytes */
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uint32_t cbBuffer;
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/** This flag is set if we wrote to the buffer faster than the host could
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* read it. */
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bool fHwBufferOverflow;
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/** The VBVA record that we are currently preparing for the host, NULL if
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* none. */
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struct VBVARECORD *pRecord;
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/** Pointer to the VBVA buffer mapped into the current address space. Will
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* be NULL if VBVA is not enabled. */
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struct VBVABUFFER *pVBVA;
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} VBVABUFFERCONTEXT, *PVBVABUFFERCONTEXT;
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/** @name Base HGSMI APIs
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* @{ */
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DECLHIDDEN(bool) VBoxHGSMIIsSupported(void);
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DECLHIDDEN(void) VBoxHGSMIGetBaseMappingInfo(uint32_t cbVRAM,
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uint32_t *poffVRAMBaseMapping,
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uint32_t *pcbMapping,
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uint32_t *poffGuestHeapMemory,
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uint32_t *pcbGuestHeapMemory,
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uint32_t *poffHostFlags);
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DECLHIDDEN(int) VBoxHGSMIReportFlagsLocation(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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HGSMIOFFSET offLocation);
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DECLHIDDEN(int) VBoxHGSMISendCapsInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t fCaps);
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DECLHIDDEN(void) VBoxHGSMIGetHostAreaMapping(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t cbVRAM,
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uint32_t offVRAMBaseMapping,
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uint32_t *poffVRAMHostArea,
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uint32_t *pcbHostArea);
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DECLHIDDEN(int) VBoxHGSMISendHostCtxInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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HGSMIOFFSET offVRAMFlagsLocation,
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uint32_t fCaps,
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uint32_t offVRAMHostArea,
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uint32_t cbHostArea);
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DECLHIDDEN(int) VBoxQueryConfHGSMI(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t u32Index, uint32_t *pulValue);
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DECLHIDDEN(int) VBoxQueryConfHGSMIDef(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t u32Index, uint32_t u32DefValue, uint32_t *pulValue);
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DECLHIDDEN(int) VBoxHGSMIUpdatePointerShape(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t fFlags,
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uint32_t cHotX,
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uint32_t cHotY,
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uint32_t cWidth,
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uint32_t cHeight,
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uint8_t *pPixels,
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uint32_t cbLength);
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DECLHIDDEN(int) VBoxHGSMICursorPosition(PHGSMIGUESTCOMMANDCONTEXT pCtx, bool fReportPosition, uint32_t x, uint32_t y,
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uint32_t *pxHost, uint32_t *pyHost);
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/** @} */
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/** @name VBVA APIs
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* @{ */
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DECLHIDDEN(bool) VBoxVBVAEnable(PVBVABUFFERCONTEXT pCtx,
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PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx,
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struct VBVABUFFER *pVBVA, int32_t cScreen);
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DECLHIDDEN(void) VBoxVBVADisable(PVBVABUFFERCONTEXT pCtx,
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PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx,
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int32_t cScreen);
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DECLHIDDEN(bool) VBoxVBVABufferBeginUpdate(PVBVABUFFERCONTEXT pCtx,
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PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx);
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DECLHIDDEN(void) VBoxVBVABufferEndUpdate(PVBVABUFFERCONTEXT pCtx);
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DECLHIDDEN(bool) VBoxVBVAWrite(PVBVABUFFERCONTEXT pCtx,
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PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx,
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const void *pv, uint32_t cb);
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DECLHIDDEN(bool) VBoxVBVAOrderSupported(PVBVABUFFERCONTEXT pCtx, unsigned code);
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DECLHIDDEN(void) VBoxVBVASetupBufferContext(PVBVABUFFERCONTEXT pCtx,
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uint32_t offVRAMBuffer,
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uint32_t cbBuffer);
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/** @} */
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/** @name Modesetting APIs
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* @{ */
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DECLHIDDEN(uint32_t) VBoxHGSMIGetMonitorCount(PHGSMIGUESTCOMMANDCONTEXT pCtx);
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DECLHIDDEN(bool) VBoxVGACfgAvailable(void);
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DECLHIDDEN(bool) VBoxVGACfgQuery(uint16_t u16Id, uint32_t *pu32Value, uint32_t u32DefValue);
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DECLHIDDEN(uint32_t) VBoxVideoGetVRAMSize(void);
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DECLHIDDEN(bool) VBoxVideoAnyWidthAllowed(void);
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DECLHIDDEN(uint16_t) VBoxHGSMIGetScreenFlags(PHGSMIGUESTCOMMANDCONTEXT pCtx);
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struct VBVAINFOVIEW;
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/**
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* Callback funtion called from @a VBoxHGSMISendViewInfo to initialise
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* the @a VBVAINFOVIEW structure for each screen.
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*
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* @returns iprt status code
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* @param pvData context data for the callback, passed to @a
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* VBoxHGSMISendViewInfo along with the callback
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* @param pInfo array of @a VBVAINFOVIEW structures to be filled in
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* @todo explicitly pass the array size
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*/
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typedef DECLCALLBACKTYPE(int, FNHGSMIFILLVIEWINFO,(void *pvData, struct VBVAINFOVIEW *pInfo, uint32_t cViews));
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/** Pointer to a FNHGSMIFILLVIEWINFO callback */
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typedef FNHGSMIFILLVIEWINFO *PFNHGSMIFILLVIEWINFO;
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DECLHIDDEN(int) VBoxHGSMISendViewInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t u32Count,
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PFNHGSMIFILLVIEWINFO pfnFill,
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void *pvData);
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DECLHIDDEN(void) VBoxVideoSetModeRegisters(uint16_t cWidth, uint16_t cHeight,
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uint16_t cVirtWidth, uint16_t cBPP,
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uint16_t fFlags,
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uint16_t cx, uint16_t cy);
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DECLHIDDEN(bool) VBoxVideoGetModeRegisters(uint16_t *pcWidth,
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uint16_t *pcHeight,
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uint16_t *pcVirtWidth,
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uint16_t *pcBPP,
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uint16_t *pfFlags);
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DECLHIDDEN(void) VBoxVideoDisableVBE(void);
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DECLHIDDEN(void) VBoxHGSMIProcessDisplayInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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uint32_t cDisplay,
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int32_t cOriginX,
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int32_t cOriginY,
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uint32_t offStart,
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uint32_t cbPitch,
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uint32_t cWidth,
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uint32_t cHeight,
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uint16_t cBPP,
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uint16_t fFlags);
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DECLHIDDEN(int) VBoxHGSMIUpdateInputMapping(PHGSMIGUESTCOMMANDCONTEXT pCtx, int32_t cOriginX, int32_t cOriginY,
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uint32_t cWidth, uint32_t cHeight);
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DECLHIDDEN(int) VBoxHGSMIGetModeHints(PHGSMIGUESTCOMMANDCONTEXT pCtx,
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unsigned cScreens, VBVAMODEHINT *paHints);
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/** @} */
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RT_C_DECLS_END
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#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoGuest_h */
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