| 1 | /* $Id: VBoxGaHwSVGA.h 82968 2020-02-04 10:35:17Z vboxsync $ */
|
|---|
| 2 | /** @file
|
|---|
| 3 | * VirtualBox Windows Guest Mesa3D - Gallium driver interface.
|
|---|
| 4 | */
|
|---|
| 5 |
|
|---|
| 6 | /*
|
|---|
| 7 | * Copyright (C) 2016-2020 Oracle Corporation
|
|---|
| 8 | *
|
|---|
| 9 | * This file is part of VirtualBox Open Source Edition (OSE), as
|
|---|
| 10 | * available from http://www.virtualbox.org. This file is free software;
|
|---|
| 11 | * you can redistribute it and/or modify it under the terms of the GNU
|
|---|
| 12 | * General Public License (GPL) as published by the Free Software
|
|---|
| 13 | * Foundation, in version 2 as it comes in the "COPYING" file of the
|
|---|
| 14 | * VirtualBox OSE distribution. VirtualBox OSE is distributed in the
|
|---|
| 15 | * hope that it will be useful, but WITHOUT ANY WARRANTY of any kind.
|
|---|
| 16 | */
|
|---|
| 17 |
|
|---|
| 18 | #ifndef GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h
|
|---|
| 19 | #define GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h
|
|---|
| 20 | #ifndef RT_WITHOUT_PRAGMA_ONCE
|
|---|
| 21 | # pragma once
|
|---|
| 22 | #endif
|
|---|
| 23 |
|
|---|
| 24 | #include <iprt/types.h>
|
|---|
| 25 |
|
|---|
| 26 | /*
|
|---|
| 27 | * VBOXGAHWINFOSVGA contains information about the virtual hardware, which is neede dy the user mode
|
|---|
| 28 | * Gallium driver. The driver can not query the info at the initialization time, therefore
|
|---|
| 29 | * we send the complete info to the driver.
|
|---|
| 30 | *
|
|---|
| 31 | * Since both FIFO and SVGA_REG_ are expanded over time, we reserve some space.
|
|---|
| 32 | * The Gallium user mode driver can figure out which part of au32Regs and au32Fifo
|
|---|
| 33 | * is valid from the raw data.
|
|---|
| 34 | *
|
|---|
| 35 | * VBOXGAHWINFOSVGA struct goes both to 32 and 64 bit user mode binaries, take care of alignment.
|
|---|
| 36 | */
|
|---|
| 37 | #pragma pack(1)
|
|---|
| 38 | typedef struct VBOXGAHWINFOSVGA
|
|---|
| 39 | {
|
|---|
| 40 | uint32_t cbInfoSVGA;
|
|---|
| 41 |
|
|---|
| 42 | /* Copy of SVGA_REG_*, up to 256, currently 58 are used. */
|
|---|
| 43 | uint32_t au32Regs[256];
|
|---|
| 44 |
|
|---|
| 45 | /* Copy of FIFO registers, up to 1024, currently 290 are used. */
|
|---|
| 46 | uint32_t au32Fifo[1024];
|
|---|
| 47 |
|
|---|
| 48 | /* Currently SVGA has 244 caps, 512 should be ok for near future.
|
|---|
| 49 | * This is a copy of SVGA_REG_DEV_CAP enumeration.
|
|---|
| 50 | * Only valid if SVGA_CAP_GBOBJECTS is set in SVGA_REG_CAPABILITIES.
|
|---|
| 51 | */
|
|---|
| 52 | uint32_t au32Caps[512];
|
|---|
| 53 | } VBOXGAHWINFOSVGA;
|
|---|
| 54 | #pragma pack()
|
|---|
| 55 |
|
|---|
| 56 | #endif /* !GA_INCLUDED_3D_WIN_VBoxGaHwSVGA_h */
|
|---|
