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Diffstat (limited to '')
| -rw-r--r-- | src/VBox/Additions/x11/vboxvideo/setmode.c | 129 |
1 files changed, 129 insertions, 0 deletions
diff --git a/src/VBox/Additions/x11/vboxvideo/setmode.c b/src/VBox/Additions/x11/vboxvideo/setmode.c new file mode 100644 index 00000000..609af138 --- /dev/null +++ b/src/VBox/Additions/x11/vboxvideo/setmode.c @@ -0,0 +1,129 @@ +/* $Id: setmode.c $ */ +/** @file + * Linux Additions X11 graphics driver, mode setting + */ + +/* + * Copyright (C) 2006-2019 Oracle Corporation + * This file is based on X11 VESA driver (hardly any traces left here): + * + * Copyright (c) 2000 by Conectiva S.A. (http://www.conectiva.com) + * + * 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 NON-INFRINGEMENT. IN NO EVENT SHALL + * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS 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. + * + * Except as contained in this notice, the name of Conectiva Linux shall + * not be used in advertising or otherwise to promote the sale, use or other + * dealings in this Software without prior written authorization from + * Conectiva Linux. + * + * Authors: Paulo César Pereira de Andrade <pcpa@conectiva.com.br> + * Michael Thayer <michael.thayer@oracle.com> + */ + +#ifdef XORG_7X +/* We include <unistd.h> for Solaris below, and the ANSI C emulation layer + * interferes with that. */ +# define _XF86_ANSIC_H +# define XF86_LIBC_H +# include <string.h> +#endif +#include "vboxvideo.h" +#include "xf86.h" + +/* VGA hardware functions for setting and restoring text mode */ +#include "vgaHW.h" + +#ifdef RT_OS_SOLARIS +# include <sys/vuid_event.h> +# include <sys/msio.h> +# include <errno.h> +# include <fcntl.h> +# include <unistd.h> +#endif + +/** Clear the virtual framebuffer in VRAM. Optionally also clear up to the + * size of a new framebuffer. Framebuffer sizes larger than available VRAM + * be treated as zero and passed over. */ +void vbvxClearVRAM(ScrnInfoPtr pScrn, size_t cbOldSize, size_t cbNewSize) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + + /* Assume 32BPP - this is just a sanity test. */ + AssertMsg( cbOldSize / 4 <= VBOX_VIDEO_MAX_VIRTUAL * VBOX_VIDEO_MAX_VIRTUAL + && cbNewSize / 4 <= VBOX_VIDEO_MAX_VIRTUAL * VBOX_VIDEO_MAX_VIRTUAL, + ("cbOldSize=%llu cbNewSize=%llu, max=%u.\n", (unsigned long long)cbOldSize, (unsigned long long)cbNewSize, + VBOX_VIDEO_MAX_VIRTUAL * VBOX_VIDEO_MAX_VIRTUAL)); + if (cbOldSize > (size_t)pVBox->cbFBMax) + cbOldSize = pVBox->cbFBMax; + if (cbNewSize > (size_t)pVBox->cbFBMax) + cbNewSize = pVBox->cbFBMax; + memset(pVBox->base, 0, max(cbOldSize, cbNewSize)); +} + +/** Set a graphics mode. Poke any required values into registers, do an HGSMI + * mode set and tell the host we support advanced graphics functions. + */ +void vbvxSetMode(ScrnInfoPtr pScrn, unsigned cDisplay, unsigned cWidth, unsigned cHeight, int x, int y, Bool fEnabled, + Bool fConnected, struct vbvxFrameBuffer *pFrameBuffer) +{ + VBOXPtr pVBox = VBOXGetRec(pScrn); + uint32_t offStart; + uint16_t fFlags; + int rc; + Bool fEnabledAndVisible = fEnabled && x + cWidth <= pFrameBuffer->cWidth && y + cHeight <= pFrameBuffer->cHeight; + /* Recent host code has a flag to blank the screen; older code needs BPP set to zero. */ + uint32_t cBPP = fEnabledAndVisible || pVBox->fHostHasScreenBlankingFlag ? pFrameBuffer->cBPP : 0; + + TRACE_LOG("cDisplay=%u, cWidth=%u, cHeight=%u, x=%d, y=%d, fEnabled=%d, fConnected=%d, pFrameBuffer: { x0=%d, y0=%d, cWidth=%u, cHeight=%u, cBPP=%u }\n", + cDisplay, cWidth, cHeight, x, y, fEnabled, fConnected, pFrameBuffer->x0, pFrameBuffer->y0, pFrameBuffer->cWidth, + pFrameBuffer->cHeight, pFrameBuffer->cBPP); + AssertMsg(cWidth != 0 && cHeight != 0, ("cWidth = 0 or cHeight = 0\n")); + offStart = (y * pFrameBuffer->cWidth + x) * pFrameBuffer->cBPP / 8; + if (cDisplay == 0 && fEnabled) + VBoxVideoSetModeRegisters(cWidth, cHeight, pFrameBuffer->cWidth, pFrameBuffer->cBPP, 0, x, y); + fFlags = VBVA_SCREEN_F_ACTIVE; + fFlags |= (fConnected ? 0 : VBVA_SCREEN_F_DISABLED); + fFlags |= (!fEnabledAndVisible && pVBox->fHostHasScreenBlankingFlag ? VBVA_SCREEN_F_BLANK : 0); + VBoxHGSMIProcessDisplayInfo(&pVBox->guestCtx, cDisplay, x - pFrameBuffer->x0, y - pFrameBuffer->y0, offStart, + pFrameBuffer->cWidth * pFrameBuffer->cBPP / 8, cWidth, cHeight, cBPP, fFlags); + rc = VBoxHGSMIUpdateInputMapping(&pVBox->guestCtx, 0 - pFrameBuffer->x0, 0 - pFrameBuffer->y0, pFrameBuffer->cWidth, + pFrameBuffer->cHeight); + if (RT_FAILURE(rc)) + FatalError("Failed to update the input mapping.\n"); +} + +/** Tell the virtual mouse device about the new virtual desktop size. */ +void vbvxSetSolarisMouseRange(int width, int height) +{ +#ifdef RT_OS_SOLARIS + int rc; + int hMouse = open("/dev/mouse", O_RDWR); + + if (hMouse >= 0) + { + do { + Ms_screen_resolution Res = { height, width }; + rc = ioctl(hMouse, MSIOSRESOLUTION, &Res); + } while ((rc != 0) && (errno == EINTR)); + close(hMouse); + } +#else + (void)width; (void)height; +#endif +} |