492 lines
13 KiB
C
492 lines
13 KiB
C
/*
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* Copyright (c) 1999-2003 by The XFree86 Project, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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* Except as contained in this notice, the name of the copyright holder(s)
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* and author(s) shall not be used in advertising or otherwise to promote
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* the sale, use or other dealings in this Software without prior written
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* authorization from the copyright holder(s) and author(s).
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*/
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#ifdef HAVE_DIX_CONFIG_H
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#include <dix-config.h>
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#endif
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#include <X11/X.h>
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#include "misc.h"
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#include "os.h"
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#include "extinit.h"
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#ifdef XF86VIDMODE
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#include "randrstr.h"
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#include "vidmodestr.h"
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#include "xwayland-screen.h"
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#include "xwayland-vidmode.h"
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static DevPrivateKeyRec xwlVidModePrivateKeyRec;
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#define xwlVidModePrivateKey (&xwlVidModePrivateKeyRec)
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/* Taken from xrandr, h sync frequency in KHz */
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static double
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mode_hsync(const xRRModeInfo *mode_info)
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{
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double rate;
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if (mode_info->hTotal)
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rate = (double) mode_info->dotClock / (double) mode_info->hTotal;
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else
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rate = 0.0;
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return rate / 1000.0;
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}
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/* Taken from xrandr, v refresh frequency in Hz */
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static double
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mode_refresh(const xRRModeInfo *mode_info)
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{
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double rate;
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double vTotal = mode_info->vTotal;
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if (mode_info->modeFlags & RR_DoubleScan)
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vTotal *= 2.0;
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if (mode_info->modeFlags & RR_Interlace)
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vTotal /= 2.0;
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if (mode_info->hTotal > 0.0 && vTotal > 0.0)
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rate = ((double) mode_info->dotClock /
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((double) mode_info->hTotal * (double) vTotal));
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else
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rate = 0.0;
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return rate;
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}
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static void
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xwlRRModeToDisplayMode(RRModePtr rrmode, DisplayModePtr mode)
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{
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const xRRModeInfo *mode_info = &rrmode->mode;
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mode->next = mode;
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mode->prev = mode;
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mode->name = "";
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mode->VScan = 1;
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mode->Private = NULL;
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mode->HDisplay = mode_info->width;
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mode->HSyncStart = mode_info->hSyncStart;
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mode->HSyncEnd = mode_info->hSyncEnd;
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mode->HTotal = mode_info->hTotal;
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mode->HSkew = mode_info->hSkew;
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mode->VDisplay = mode_info->height;
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mode->VSyncStart = mode_info->vSyncStart;
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mode->VSyncEnd = mode_info->vSyncEnd;
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mode->VTotal = mode_info->vTotal;
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mode->Flags = mode_info->modeFlags;
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mode->Clock = mode_info->dotClock / 1000.0;
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mode->VRefresh = mode_refresh(mode_info); /* Or RRVerticalRefresh() */
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mode->HSync = mode_hsync(mode_info);
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}
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static RRModePtr
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xwlVidModeGetRRMode(ScreenPtr pScreen, int32_t width, int32_t height)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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if (!xwl_output)
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return NULL;
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return xwl_output_find_mode(xwl_output, width, height);
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}
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static RRModePtr
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xwlVidModeGetCurrentRRMode(ScreenPtr pScreen)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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struct xwl_emulated_mode *emulated_mode;
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if (!xwl_output)
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return NULL;
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emulated_mode =
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xwl_output_get_emulated_mode_for_client(xwl_output, GetCurrentClient());
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if (emulated_mode) {
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return xwl_output_find_mode(xwl_output,
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emulated_mode->width,
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emulated_mode->height);
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} else {
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return xwl_output_find_mode(xwl_output, -1, -1);
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}
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}
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static Bool
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xwlVidModeGetCurrentModeline(ScreenPtr pScreen, DisplayModePtr *mode, int *dotClock)
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{
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DisplayModePtr pMod;
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RRModePtr rrmode;
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pMod = dixLookupPrivate(&pScreen->devPrivates, xwlVidModePrivateKey);
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if (pMod == NULL)
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return FALSE;
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rrmode = xwlVidModeGetCurrentRRMode(pScreen);
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if (rrmode == NULL)
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return FALSE;
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xwlRRModeToDisplayMode(rrmode, pMod);
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*mode = pMod;
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if (dotClock != NULL)
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*dotClock = pMod->Clock;
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return TRUE;
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}
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static vidMonitorValue
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xwlVidModeGetMonitorValue(ScreenPtr pScreen, int valtyp, int indx)
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{
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vidMonitorValue ret = { NULL, };
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RRModePtr rrmode;
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rrmode = xwlVidModeGetCurrentRRMode(pScreen);
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if (rrmode == NULL)
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return ret;
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switch (valtyp) {
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case VIDMODE_MON_VENDOR:
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ret.ptr = XVENDORNAME;
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break;
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case VIDMODE_MON_MODEL:
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ret.ptr = "XWAYLAND";
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break;
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case VIDMODE_MON_NHSYNC:
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ret.i = 1;
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break;
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case VIDMODE_MON_NVREFRESH:
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ret.i = 1;
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break;
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case VIDMODE_MON_HSYNC_LO:
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case VIDMODE_MON_HSYNC_HI:
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ret.f = mode_hsync(&rrmode->mode) * 100.0;
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break;
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case VIDMODE_MON_VREFRESH_LO:
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case VIDMODE_MON_VREFRESH_HI:
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ret.f = mode_refresh(&rrmode->mode) * 100.0;
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break;
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}
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return ret;
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}
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static int
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xwlVidModeGetDotClock(ScreenPtr pScreen, int Clock)
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{
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return Clock;
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}
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static int
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xwlVidModeGetNumOfClocks(ScreenPtr pScreen, Bool *progClock)
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{
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/* We emulate a programmable clock, rather then a fixed set of clocks */
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*progClock = TRUE;
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return 0;
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}
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static Bool
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xwlVidModeGetClocks(ScreenPtr pScreen, int *Clocks)
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{
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return FALSE; /* Programmable clock, no clock list */
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}
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/* GetFirstModeline and GetNextModeline are used from Xext/vidmode.c like this:
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* if (pVidMode->GetFirstModeline(pScreen, &mode, &dotClock)) {
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* do {
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* ...
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* if (...)
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* break;
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* } while (pVidMode->GetNextModeline(pScreen, &mode, &dotClock));
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* }
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* IOW our caller basically always loops over all the modes. There never is a
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* return to the mainloop between GetFirstModeline and NextModeline calls where
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* other parts of the server may change our state so we do not need to worry
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* about xwl_output->randr_output->modes changing underneath us.
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* Thus we can simply implement these two callbacks by storing the enumeration
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* index in pVidMode->Next.
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*/
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static Bool
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xwlVidModeGetNextModeline(ScreenPtr pScreen, DisplayModePtr *mode, int *dotClock)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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VidModePtr pVidMode;
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DisplayModePtr pMod;
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intptr_t index;
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pMod = dixLookupPrivate(&pScreen->devPrivates, xwlVidModePrivateKey);
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pVidMode = VidModeGetPtr(pScreen);
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if (xwl_output == NULL || pMod == NULL || pVidMode == NULL)
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return FALSE;
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index = (intptr_t)pVidMode->Next;
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if (index >= xwl_output->randr_output->numModes)
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return FALSE;
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xwlRRModeToDisplayMode(xwl_output->randr_output->modes[index], pMod);
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index++;
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pVidMode->Next = (void *)index;
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*mode = pMod;
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if (dotClock != NULL)
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*dotClock = pMod->Clock;
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return TRUE;
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}
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static Bool
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xwlVidModeGetFirstModeline(ScreenPtr pScreen, DisplayModePtr *mode, int *dotClock)
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{
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VidModePtr pVidMode;
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intptr_t index = 0;
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pVidMode = VidModeGetPtr(pScreen);
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if (pVidMode == NULL)
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return FALSE;
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pVidMode->Next = (void *)index; /* 0 */
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return xwlVidModeGetNextModeline(pScreen, mode, dotClock);
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}
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static Bool
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xwlVidModeDeleteModeline(ScreenPtr pScreen, DisplayModePtr mode)
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{
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/* Unsupported */
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return FALSE;
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}
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static Bool
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xwlVidModeZoomViewport(ScreenPtr pScreen, int zoom)
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{
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/* Support only no zoom */
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return (zoom == 1);
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}
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static Bool
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xwlVidModeSetViewPort(ScreenPtr pScreen, int x, int y)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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if (!xwl_output)
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return FALSE;
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/* Support only default viewport */
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return (x == xwl_output->x && y == xwl_output->y);
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}
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static Bool
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xwlVidModeGetViewPort(ScreenPtr pScreen, int *x, int *y)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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if (!xwl_output)
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return FALSE;
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*x = xwl_output->x;
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*y = xwl_output->y;
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return TRUE;
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}
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static Bool
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xwlVidModeSwitchMode(ScreenPtr pScreen, DisplayModePtr mode)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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RRModePtr rrmode;
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if (!xwl_output)
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return FALSE;
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rrmode = xwl_output_find_mode(xwl_output, mode->HDisplay, mode->VDisplay);
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if (rrmode == NULL)
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return FALSE;
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xwl_output_set_emulated_mode(xwl_output, GetCurrentClient(), rrmode, TRUE);
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return TRUE;
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}
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static Bool
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xwlVidModeLockZoom(ScreenPtr pScreen, Bool lock)
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{
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/* Unsupported for now, but pretend it works */
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return TRUE;
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}
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static ModeStatus
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xwlVidModeCheckModeForMonitor(ScreenPtr pScreen, DisplayModePtr mode)
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{
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RRModePtr rrmode;
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rrmode = xwlVidModeGetRRMode(pScreen, mode->HDisplay, mode->VDisplay);
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if (rrmode == NULL)
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return MODE_ERROR;
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/* Only support mode with the same HSync/VRefresh as we advertise */
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if (mode->HSync == mode_hsync(&rrmode->mode) &&
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mode->VRefresh == mode_refresh(&rrmode->mode))
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return MODE_OK;
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/* All the rest is unsupported - If we want to succeed, return MODE_OK instead */
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return MODE_ONE_SIZE;
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}
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static ModeStatus
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xwlVidModeCheckModeForDriver(ScreenPtr pScreen, DisplayModePtr mode)
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{
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RRModePtr rrmode;
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rrmode = xwlVidModeGetRRMode(pScreen, mode->HDisplay, mode->VDisplay);
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return rrmode ? MODE_OK : MODE_ERROR;
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}
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static void
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xwlVidModeSetCrtcForMode(ScreenPtr pScreen, DisplayModePtr mode)
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{
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/* Unsupported */
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return;
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}
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static Bool
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xwlVidModeAddModeline(ScreenPtr pScreen, DisplayModePtr mode)
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{
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/* Unsupported */
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return FALSE;
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}
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static int
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xwlVidModeGetNumOfModes(ScreenPtr pScreen)
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{
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struct xwl_screen *xwl_screen = xwl_screen_get(pScreen);
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struct xwl_output *xwl_output = xwl_screen_get_first_output(xwl_screen);
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return xwl_output ? xwl_output->randr_output->numModes : 0;
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}
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static Bool
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xwlVidModeSetGamma(ScreenPtr pScreen, float red, float green, float blue)
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{
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/* Unsupported for now, but pretend it works */
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return TRUE;
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}
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static Bool
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xwlVidModeGetGamma(ScreenPtr pScreen, float *red, float *green, float *blue)
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{
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/* Unsupported for now, but pretend it works */
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return TRUE;
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}
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static Bool
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xwlVidModeSetGammaRamp(ScreenPtr pScreen, int size, CARD16 *r, CARD16 *g, CARD16 *b)
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{
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/* Unsupported for now */
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return FALSE;
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}
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static Bool
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xwlVidModeGetGammaRamp(ScreenPtr pScreen, int size, CARD16 *r, CARD16 *g, CARD16 *b)
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{
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/* Unsupported for now */
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return FALSE;
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}
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static int
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xwlVidModeGetGammaRampSize(ScreenPtr pScreen)
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{
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/* Unsupported for now */
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return 0;
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}
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static Bool
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xwlVidModeInit(ScreenPtr pScreen)
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{
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VidModePtr pVidMode = NULL;
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pVidMode = VidModeInit(pScreen);
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if (!pVidMode)
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return FALSE;
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pVidMode->Flags = 0;
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pVidMode->Next = NULL;
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pVidMode->GetMonitorValue = xwlVidModeGetMonitorValue;
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pVidMode->GetCurrentModeline = xwlVidModeGetCurrentModeline;
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pVidMode->GetFirstModeline = xwlVidModeGetFirstModeline;
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pVidMode->GetNextModeline = xwlVidModeGetNextModeline;
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pVidMode->DeleteModeline = xwlVidModeDeleteModeline;
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pVidMode->ZoomViewport = xwlVidModeZoomViewport;
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pVidMode->GetViewPort = xwlVidModeGetViewPort;
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pVidMode->SetViewPort = xwlVidModeSetViewPort;
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pVidMode->SwitchMode = xwlVidModeSwitchMode;
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pVidMode->LockZoom = xwlVidModeLockZoom;
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pVidMode->GetNumOfClocks = xwlVidModeGetNumOfClocks;
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pVidMode->GetClocks = xwlVidModeGetClocks;
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pVidMode->CheckModeForMonitor = xwlVidModeCheckModeForMonitor;
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pVidMode->CheckModeForDriver = xwlVidModeCheckModeForDriver;
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pVidMode->SetCrtcForMode = xwlVidModeSetCrtcForMode;
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pVidMode->AddModeline = xwlVidModeAddModeline;
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pVidMode->GetDotClock = xwlVidModeGetDotClock;
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pVidMode->GetNumOfModes = xwlVidModeGetNumOfModes;
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pVidMode->SetGamma = xwlVidModeSetGamma;
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pVidMode->GetGamma = xwlVidModeGetGamma;
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pVidMode->SetGammaRamp = xwlVidModeSetGammaRamp;
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pVidMode->GetGammaRamp = xwlVidModeGetGammaRamp;
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pVidMode->GetGammaRampSize = xwlVidModeGetGammaRampSize;
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return TRUE;
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}
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void
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xwlVidModeExtensionInit(void)
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{
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int i;
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Bool enabled = FALSE;
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for (i = 0; i < screenInfo.numScreens; i++) {
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if (xwlVidModeInit (screenInfo.screens[i]))
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enabled = TRUE;
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}
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/* This means that the DDX doesn't want the vidmode extension enabled */
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if (!enabled)
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return;
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if (!dixRegisterPrivateKey(xwlVidModePrivateKey, PRIVATE_SCREEN,
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sizeof(DisplayModeRec)))
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return;
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VidModeAddExtension(FALSE);
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}
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#endif /* XF86VIDMODE */
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