| 1 | /* $Id: VBoxGaHwSVGA.h 76539 2018-12-30 06:22:29Z vboxsync $ */
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| 2 | /** @file
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| 3 | * VirtualBox Windows Guest Mesa3D - Gallium driver interface.
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| 4 | */
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| 5 |
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| 6 | /*
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| 7 | * Copyright (C) 2016-2017 Oracle Corporation
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| 8 | *
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| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
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| 10 | * available from http://www.virtualbox.org. This file is free software;
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| 11 | * you can redistribute it and/or modify it under the terms of the GNU
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| 12 | * General Public License (GPL) as published by the Free Software
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| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
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| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
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| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
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| 16 | */
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| 17 |
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| 18 | #ifndef ___VBoxGaHwSVGA_h__
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| 19 | #define ___VBoxGaHwSVGA_h__
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| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
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| 21 | # pragma once
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| 22 | #endif
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| 23 |
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| 24 | #include <iprt/types.h>
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| 25 |
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| 26 | /*
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| 27 | * VBOXGAHWINFOSVGA contains information about the virtual hardware, which is neede dy the user mode
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| 28 | * Gallium driver. The driver can not query the info at the initialization time, therefore
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| 29 | * we send the complete info to the driver.
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| 30 | *
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| 31 | * Since both FIFO and SVGA_REG_ are expanded over time, we reserve some space.
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| 32 | * The Gallium user mode driver can figure out which part of au32Regs and au32Fifo
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| 33 | * is valid from the raw data.
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| 34 | *
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| 35 | * VBOXGAHWINFOSVGA struct goes both to 32 and 64 bit user mode binaries, take care of alignment.
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| 36 | */
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| 37 | #pragma pack(1)
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| 38 | typedef struct VBOXGAHWINFOSVGA
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| 39 | {
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| 40 | uint32_t cbInfoSVGA;
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| 41 |
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| 42 | /* Copy of SVGA_REG_*, up to 256, currently 58 are used. */
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| 43 | uint32_t au32Regs[256];
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| 44 |
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| 45 | /* Copy of FIFO registers, up to 1024, currently 290 are used. */
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| 46 | uint32_t au32Fifo[1024];
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| 47 |
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| 48 | /* Currently SVGA has 244 caps, 512 should be ok for near future.
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| 49 | * This is a copy of SVGA_REG_DEV_CAP enumeration.
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| 50 | * Only valid if SVGA_CAP_GBOBJECTS is set in SVGA_REG_CAPABILITIES.
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| 51 | */
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| 52 | uint32_t au32Caps[512];
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| 53 | } VBOXGAHWINFOSVGA;
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| 54 | #pragma pack()
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| 55 |
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| 56 | #endif
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