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| -rw-r--r-- | include/VBox/Graphics/VBoxVideoGuest.h | 185 |
1 files changed, 185 insertions, 0 deletions
diff --git a/include/VBox/Graphics/VBoxVideoGuest.h b/include/VBox/Graphics/VBoxVideoGuest.h new file mode 100644 index 00000000..82018737 --- /dev/null +++ b/include/VBox/Graphics/VBoxVideoGuest.h @@ -0,0 +1,185 @@ +/* $Id: VBoxVideoGuest.h $ */ +/** @file + * VBox Host Guest Shared Memory Interface (HGSMI) - OS-independent guest structures. + */ + +/* + * Copyright (C) 2006-2022 Oracle and/or its affiliates. + * + * Permission is hereby granted, free of charge, to any person + * obtaining a copy of this software and associated documentation + * files (the "Software"), to deal in the Software without + * restriction, including without limitation the rights to use, + * copy, modify, merge, publish, distribute, sublicense, and/or sell + * copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following + * conditions: + * + * The above copyright notice and this permission notice shall be + * included in all copies or substantial portions of the Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, + * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES + * OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND + * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT + * HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, + * WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR + * OTHER DEALINGS IN THE SOFTWARE. + */ + +#ifndef VBOX_INCLUDED_Graphics_VBoxVideoGuest_h +#define VBOX_INCLUDED_Graphics_VBoxVideoGuest_h +#ifndef RT_WITHOUT_PRAGMA_ONCE +# pragma once +#endif + +#include "VBoxVideoIPRT.h" +#include "HGSMIBase.h" +#include "VBoxVideo.h" + +RT_C_DECLS_BEGIN + +/** + * Structure grouping the context needed for sending graphics acceleration + * information to the host via VBVA. Each screen has its own VBVA buffer. + */ +typedef struct VBVABUFFERCONTEXT +{ + /** Offset of the buffer in the VRAM section for the screen */ + uint32_t offVRAMBuffer; + /** Length of the buffer in bytes */ + uint32_t cbBuffer; + /** This flag is set if we wrote to the buffer faster than the host could + * read it. */ + bool fHwBufferOverflow; + /** The VBVA record that we are currently preparing for the host, NULL if + * none. */ + struct VBVARECORD *pRecord; + /** Pointer to the VBVA buffer mapped into the current address space. Will + * be NULL if VBVA is not enabled. */ + struct VBVABUFFER *pVBVA; +} VBVABUFFERCONTEXT, *PVBVABUFFERCONTEXT; + +/** @name Base HGSMI APIs + * @{ */ + +DECLHIDDEN(bool) VBoxHGSMIIsSupported(void); +DECLHIDDEN(void) VBoxHGSMIGetBaseMappingInfo(uint32_t cbVRAM, + uint32_t *poffVRAMBaseMapping, + uint32_t *pcbMapping, + uint32_t *poffGuestHeapMemory, + uint32_t *pcbGuestHeapMemory, + uint32_t *poffHostFlags); +DECLHIDDEN(int) VBoxHGSMIReportFlagsLocation(PHGSMIGUESTCOMMANDCONTEXT pCtx, + HGSMIOFFSET offLocation); +DECLHIDDEN(int) VBoxHGSMISendCapsInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t fCaps); +DECLHIDDEN(void) VBoxHGSMIGetHostAreaMapping(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t cbVRAM, + uint32_t offVRAMBaseMapping, + uint32_t *poffVRAMHostArea, + uint32_t *pcbHostArea); +DECLHIDDEN(int) VBoxHGSMISendHostCtxInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx, + HGSMIOFFSET offVRAMFlagsLocation, + uint32_t fCaps, + uint32_t offVRAMHostArea, + uint32_t cbHostArea); +DECLHIDDEN(int) VBoxQueryConfHGSMI(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t u32Index, uint32_t *pulValue); +DECLHIDDEN(int) VBoxQueryConfHGSMIDef(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t u32Index, uint32_t u32DefValue, uint32_t *pulValue); +DECLHIDDEN(int) VBoxHGSMIUpdatePointerShape(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t fFlags, + uint32_t cHotX, + uint32_t cHotY, + uint32_t cWidth, + uint32_t cHeight, + uint8_t *pPixels, + uint32_t cbLength); +DECLHIDDEN(int) VBoxHGSMICursorPosition(PHGSMIGUESTCOMMANDCONTEXT pCtx, bool fReportPosition, uint32_t x, uint32_t y, + uint32_t *pxHost, uint32_t *pyHost); + +/** @} */ + +/** @name VBVA APIs + * @{ */ +DECLHIDDEN(bool) VBoxVBVAEnable(PVBVABUFFERCONTEXT pCtx, + PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx, + struct VBVABUFFER *pVBVA, int32_t cScreen); +DECLHIDDEN(void) VBoxVBVADisable(PVBVABUFFERCONTEXT pCtx, + PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx, + int32_t cScreen); +DECLHIDDEN(bool) VBoxVBVABufferBeginUpdate(PVBVABUFFERCONTEXT pCtx, + PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx); +DECLHIDDEN(void) VBoxVBVABufferEndUpdate(PVBVABUFFERCONTEXT pCtx); +DECLHIDDEN(bool) VBoxVBVAWrite(PVBVABUFFERCONTEXT pCtx, + PHGSMIGUESTCOMMANDCONTEXT pHGSMICtx, + const void *pv, uint32_t cb); +DECLHIDDEN(bool) VBoxVBVAOrderSupported(PVBVABUFFERCONTEXT pCtx, unsigned code); +DECLHIDDEN(void) VBoxVBVASetupBufferContext(PVBVABUFFERCONTEXT pCtx, + uint32_t offVRAMBuffer, + uint32_t cbBuffer); + +/** @} */ + +/** @name Modesetting APIs + * @{ */ + +DECLHIDDEN(uint32_t) VBoxHGSMIGetMonitorCount(PHGSMIGUESTCOMMANDCONTEXT pCtx); +DECLHIDDEN(bool) VBoxVGACfgAvailable(void); +DECLHIDDEN(bool) VBoxVGACfgQuery(uint16_t u16Id, uint32_t *pu32Value, uint32_t u32DefValue); +DECLHIDDEN(uint32_t) VBoxVideoGetVRAMSize(void); +DECLHIDDEN(bool) VBoxVideoAnyWidthAllowed(void); +DECLHIDDEN(uint16_t) VBoxHGSMIGetScreenFlags(PHGSMIGUESTCOMMANDCONTEXT pCtx); + +struct VBVAINFOVIEW; +/** + * Callback funtion called from @a VBoxHGSMISendViewInfo to initialise + * the @a VBVAINFOVIEW structure for each screen. + * + * @returns iprt status code + * @param pvData context data for the callback, passed to @a + * VBoxHGSMISendViewInfo along with the callback + * @param pInfo array of @a VBVAINFOVIEW structures to be filled in + * @todo explicitly pass the array size + */ +typedef DECLCALLBACKTYPE(int, FNHGSMIFILLVIEWINFO,(void *pvData, struct VBVAINFOVIEW *pInfo, uint32_t cViews)); +/** Pointer to a FNHGSMIFILLVIEWINFO callback */ +typedef FNHGSMIFILLVIEWINFO *PFNHGSMIFILLVIEWINFO; + +DECLHIDDEN(int) VBoxHGSMISendViewInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t u32Count, + PFNHGSMIFILLVIEWINFO pfnFill, + void *pvData); +DECLHIDDEN(void) VBoxVideoSetModeRegisters(uint16_t cWidth, uint16_t cHeight, + uint16_t cVirtWidth, uint16_t cBPP, + uint16_t fFlags, + uint16_t cx, uint16_t cy); +DECLHIDDEN(bool) VBoxVideoGetModeRegisters(uint16_t *pcWidth, + uint16_t *pcHeight, + uint16_t *pcVirtWidth, + uint16_t *pcBPP, + uint16_t *pfFlags); +DECLHIDDEN(void) VBoxVideoDisableVBE(void); +DECLHIDDEN(void) VBoxHGSMIProcessDisplayInfo(PHGSMIGUESTCOMMANDCONTEXT pCtx, + uint32_t cDisplay, + int32_t cOriginX, + int32_t cOriginY, + uint32_t offStart, + uint32_t cbPitch, + uint32_t cWidth, + uint32_t cHeight, + uint16_t cBPP, + uint16_t fFlags); +DECLHIDDEN(int) VBoxHGSMIUpdateInputMapping(PHGSMIGUESTCOMMANDCONTEXT pCtx, int32_t cOriginX, int32_t cOriginY, + uint32_t cWidth, uint32_t cHeight); +DECLHIDDEN(int) VBoxHGSMIGetModeHints(PHGSMIGUESTCOMMANDCONTEXT pCtx, + unsigned cScreens, VBVAMODEHINT *paHints); + +/** @} */ + +RT_C_DECLS_END + +#endif /* !VBOX_INCLUDED_Graphics_VBoxVideoGuest_h */ + |