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/* $Id: VBoxVideo3D.h $ */
/** @file
* VirtualBox 3D common tooling
*/
/*
* Copyright (C) 2011-2022 Oracle and/or its affiliates.
*
* This file is part of VirtualBox base platform packages, as
* available from https://www.virtualbox.org.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation, in version 3 of the
* License.
*
* This program is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see <https://www.gnu.org/licenses>.
*
* The contents of this file may alternatively be used under the terms
* of the Common Development and Distribution License Version 1.0
* (CDDL), a copy of it is provided in the "COPYING.CDDL" file included
* in the VirtualBox distribution, in which case the provisions of the
* CDDL are applicable instead of those of the GPL.
*
* You may elect to license modified versions of this file under the
* terms and conditions of either the GPL or the CDDL or both.
*
* SPDX-License-Identifier: GPL-3.0-only OR CDDL-1.0
*/
#ifndef VBOX_INCLUDED_Graphics_VBoxVideo3D_h
#define VBOX_INCLUDED_Graphics_VBoxVideo3D_h
#ifndef RT_WITHOUT_PRAGMA_ONCE
# pragma once
#endif
#include <iprt/cdefs.h>
#include <iprt/asm.h>
#ifndef VBoxTlsRefGetImpl
# ifdef VBoxTlsRefSetImpl
# error "VBoxTlsRefSetImpl is defined, unexpected!"
# endif
# include <iprt/thread.h>
# define VBoxTlsRefGetImpl(_tls) (RTTlsGet((RTTLS)(_tls)))
# define VBoxTlsRefSetImpl(_tls, _val) (RTTlsSet((RTTLS)(_tls), (_val)))
#else
# ifndef VBoxTlsRefSetImpl
# error "VBoxTlsRefSetImpl is NOT defined, unexpected!"
# endif
#endif
#ifndef VBoxTlsRefAssertImpl
# define VBoxTlsRefAssertImpl(_a) do {} while (0)
#endif
typedef DECLCALLBACKTYPE(void, FNVBOXTLSREFDTOR,(void *));
typedef FNVBOXTLSREFDTOR *PFNVBOXTLSREFDTOR;
typedef enum {
VBOXTLSREFDATA_STATE_UNDEFINED = 0,
VBOXTLSREFDATA_STATE_INITIALIZED,
VBOXTLSREFDATA_STATE_TOBE_DESTROYED,
VBOXTLSREFDATA_STATE_DESTROYING,
VBOXTLSREFDATA_STATE_32BIT_HACK = 0x7fffffff
} VBOXTLSREFDATA_STATE;
#define VBOXTLSREFDATA \
volatile int32_t cTlsRefs; \
VBOXTLSREFDATA_STATE enmTlsRefState; \
PFNVBOXTLSREFDTOR pfnTlsRefDtor; \
struct VBOXTLSREFDATA_DUMMY
{
VBOXTLSREFDATA
};
#define VBOXTLSREFDATA_OFFSET(_t) RT_OFFSETOF(_t, cTlsRefs)
#define VBOXTLSREFDATA_ASSERT_OFFSET(_t) RTASSERT_OFFSET_OF(_t, cTlsRefs)
#define VBOXTLSREFDATA_SIZE() (sizeof (struct VBOXTLSREFDATA_DUMMY))
#define VBOXTLSREFDATA_COPY(_pDst, _pSrc) do { \
(_pDst)->cTlsRefs = (_pSrc)->cTlsRefs; \
(_pDst)->enmTlsRefState = (_pSrc)->enmTlsRefState; \
(_pDst)->pfnTlsRefDtor = (_pSrc)->pfnTlsRefDtor; \
} while (0)
#define VBOXTLSREFDATA_EQUAL(_pDst, _pSrc) ( \
(_pDst)->cTlsRefs == (_pSrc)->cTlsRefs \
&& (_pDst)->enmTlsRefState == (_pSrc)->enmTlsRefState \
&& (_pDst)->pfnTlsRefDtor == (_pSrc)->pfnTlsRefDtor \
)
#define VBoxTlsRefInit(_p, _pfnDtor) do { \
(_p)->cTlsRefs = 1; \
(_p)->enmTlsRefState = VBOXTLSREFDATA_STATE_INITIALIZED; \
(_p)->pfnTlsRefDtor = (_pfnDtor); \
} while (0)
#define VBoxTlsRefIsFunctional(_p) (!!((_p)->enmTlsRefState == VBOXTLSREFDATA_STATE_INITIALIZED))
#define VBoxTlsRefAddRef(_p) do { \
int cRefs = ASMAtomicIncS32(&(_p)->cTlsRefs); \
VBoxTlsRefAssertImpl(cRefs > 1 || (_p)->enmTlsRefState == VBOXTLSREFDATA_STATE_DESTROYING); \
RT_NOREF(cRefs); \
} while (0)
#define VBoxTlsRefCountGet(_p) (ASMAtomicReadS32(&(_p)->cTlsRefs))
#define VBoxTlsRefRelease(_p) do { \
int cRefs = ASMAtomicDecS32(&(_p)->cTlsRefs); \
VBoxTlsRefAssertImpl(cRefs >= 0); \
if (!cRefs && (_p)->enmTlsRefState != VBOXTLSREFDATA_STATE_DESTROYING /* <- avoid recursion if VBoxTlsRefAddRef/Release is called from dtor */) { \
(_p)->enmTlsRefState = VBOXTLSREFDATA_STATE_DESTROYING; \
(_p)->pfnTlsRefDtor((_p)); \
} \
} while (0)
#define VBoxTlsRefMarkDestroy(_p) do { \
(_p)->enmTlsRefState = VBOXTLSREFDATA_STATE_TOBE_DESTROYED; \
} while (0)
#define VBoxTlsRefGetCurrent(_t, _Tsd) ((_t*) VBoxTlsRefGetImpl((_Tsd)))
#define VBoxTlsRefGetCurrentFunctional(_val, _t, _Tsd) do { \
_t * cur = VBoxTlsRefGetCurrent(_t, _Tsd); \
if (!cur || VBoxTlsRefIsFunctional(cur)) { \
(_val) = cur; \
} else { \
VBoxTlsRefSetCurrent(_t, _Tsd, NULL); \
(_val) = NULL; \
} \
} while (0)
#define VBoxTlsRefSetCurrent(_t, _Tsd, _p) do { \
_t * oldCur = VBoxTlsRefGetCurrent(_t, _Tsd); \
if (oldCur != (_p)) { \
VBoxTlsRefSetImpl((_Tsd), (_p)); \
if (oldCur) { \
VBoxTlsRefRelease(oldCur); \
} \
if ((_p)) { \
VBoxTlsRefAddRef((_t*)(_p)); \
} \
} \
} while (0)
/* host 3D->Fe[/Qt] notification mechanism defines */
typedef enum
{
VBOX3D_NOTIFY_TYPE_TEST_FUNCTIONAL = 3,
VBOX3D_NOTIFY_TYPE_3DDATA_VISIBLE = 4,
VBOX3D_NOTIFY_TYPE_3DDATA_HIDDEN = 5,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_FIRST = 100,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_IS_SUPPORTED = 100,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_CREATED = 101,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_DESTROYED = 102,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_UPDATE_BEGIN = 103,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_UPDATE_END = 104,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_BIND_SURFACE = 105,
VBOX3D_NOTIFY_TYPE_HW_SCREEN_LAST = 105,
VBOX3D_NOTIFY_TYPE_HW_OVERLAY_CREATED = 200,
VBOX3D_NOTIFY_TYPE_HW_OVERLAY_DESTROYED = 201,
VBOX3D_NOTIFY_TYPE_HW_OVERLAY_GET_ID = 202,
VBOX3D_NOTIFY_TYPE_32BIT_HACK = 0x7fffffff
} VBOX3D_NOTIFY_TYPE;
typedef struct VBOX3DNOTIFY
{
VBOX3D_NOTIFY_TYPE enmNotification;
int32_t iDisplay;
uint32_t u32Reserved;
uint32_t cbData;
uint8_t au8Data[sizeof(uint64_t)];
} VBOX3DNOTIFY;
#endif /* !VBOX_INCLUDED_Graphics_VBoxVideo3D_h */
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