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Diffstat (limited to 'hw/kdrive/fbdev/fbdev.c')
-rw-r--r--hw/kdrive/fbdev/fbdev.c816
1 files changed, 0 insertions, 816 deletions
diff --git a/hw/kdrive/fbdev/fbdev.c b/hw/kdrive/fbdev/fbdev.c
deleted file mode 100644
index d38701019..000000000
--- a/hw/kdrive/fbdev/fbdev.c
+++ /dev/null
@@ -1,816 +0,0 @@
-/*
- * Id: fbdev.c,v 1.1 1999/11/02 03:54:46 keithp Exp $
- *
- * Copyright © 1999 Keith Packard
- *
- * Permission to use, copy, modify, distribute, and sell this software and its
- * documentation for any purpose is hereby granted without fee, provided that
- * the above copyright notice appear in all copies and that both that
- * copyright notice and this permission notice appear in supporting
- * documentation, and that the name of Keith Packard not be used in
- * advertising or publicity pertaining to distribution of the software without
- * specific, written prior permission. Keith Packard makes no
- * representations about the suitability of this software for any purpose. It
- * is provided "as is" without express or implied warranty.
- *
- * KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
- * INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
- * EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
- * CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
- * DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
- * TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
- * PERFORMANCE OF THIS SOFTWARE.
- */
-/* $RCSId: xc/programs/Xserver/hw/kdrive/fbdev/fbdev.c,v 1.31 2002/10/14 18:01:40 keithp Exp $ */
-
-#ifdef HAVE_CONFIG_H
-#include <config.h>
-#endif
-#include "fbdev.h"
-#include <sys/ioctl.h>
-
-#include <errno.h>
-
-extern int KdTsPhyScreen;
-
-Bool
-fbdevInitialize (KdCardInfo *card, FbdevPriv *priv)
-{
- int k;
- unsigned long off;
- if ((priv->fd = open("/dev/fb0", O_RDWR)) < 0 && \
- (priv->fd = open("/dev/fb/0", O_RDWR)) < 0) {
- perror("Error opening /dev/fb0");
- return FALSE;
- }
- /* quiet valgrind */
- memset (&priv->fix, '\0', sizeof (priv->fix));
- if ((k=ioctl(priv->fd, FBIOGET_FSCREENINFO, &priv->fix)) < 0) {
- perror("Error with /dev/fb ioctl FIOGET_FSCREENINFO");
- close (priv->fd);
- return FALSE;
- }
- /* quiet valgrind */
- memset (&priv->var, '\0', sizeof (priv->var));
- if ((k=ioctl(priv->fd, FBIOGET_VSCREENINFO, &priv->var)) < 0) {
- perror("Error with /dev/fb ioctl FIOGET_VSCREENINFO");
- close (priv->fd);
- return FALSE;
- }
-
- priv->fb_base = (unsigned char *) mmap ((caddr_t) NULL,
- priv->fix.smem_len,
- PROT_READ|PROT_WRITE,
- MAP_SHARED,
- priv->fd, 0);
-
- if (priv->fb_base == (char *)-1)
- {
- perror("ERROR: mmap framebuffer fails!");
- close (priv->fd);
- return FALSE;
- }
- off = (unsigned long) priv->fix.smem_start % (unsigned long) getpagesize();
- priv->fb = priv->fb_base + off;
- return TRUE;
-}
-
-Bool
-fbdevCardInit (KdCardInfo *card)
-{
- FbdevPriv *priv;
-
- priv = (FbdevPriv *) xalloc (sizeof (FbdevPriv));
- if (!priv)
- return FALSE;
-
- if (!fbdevInitialize (card, priv))
- {
- xfree (priv);
- return FALSE;
- }
- card->driver = priv;
-
- return TRUE;
-}
-
-#define FBDEV_KLUDGE_FORMAT
-#ifdef FBDEV_KLUDGE_FORMAT
-static Pixel
-fbdevMakeContig (Pixel orig, Pixel others)
-{
- Pixel low;
-
- low = lowbit (orig) >> 1;
- while (low && (others & low) == 0)
- {
- orig |= low;
- low >>= 1;
- }
- return orig;
-}
-#endif
-
-static Bool
-fbdevModeSupported (KdScreenInfo *screen,
- const KdMonitorTiming *t)
-{
- return TRUE;
-}
-
-static void
-fbdevConvertMonitorTiming (const KdMonitorTiming *t, struct fb_var_screeninfo *var)
-{
- memset (var, 0, sizeof (struct fb_var_screeninfo));
-
- var->xres = t->horizontal;
- var->yres = t->vertical;
- var->xres_virtual = t->horizontal;
- var->yres_virtual = t->vertical;
- var->xoffset = 0;
- var->yoffset = 0;
- var->pixclock = t->clock ? 1000000000 / t->clock : 0;
- var->left_margin = t->hbp;
- var->right_margin = t->hfp;
- var->upper_margin = t->vbp;
- var->lower_margin = t->vfp;
- var->hsync_len = t->hblank - t->hfp - t->hbp;
- var->vsync_len = t->vblank - t->vfp - t->vbp;
-
- var->sync = 0;
- var->vmode = 0;
-
- if (t->hpol == KdSyncPositive)
- var->sync |= FB_SYNC_HOR_HIGH_ACT;
- if (t->vpol == KdSyncPositive)
- var->sync |= FB_SYNC_VERT_HIGH_ACT;
-}
-
-Bool
-fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv)
-{
- FbdevPriv *priv = screen->card->driver;
- Pixel allbits;
- int depth;
- Bool gray;
- struct fb_var_screeninfo var;
- const KdMonitorTiming *t;
- int k;
-
- k = ioctl (priv->fd, FBIOGET_VSCREENINFO, &var);
-
- if (!screen->width || !screen->height)
- {
- if (k >= 0)
- {
- screen->width = var.xres;
- screen->height = var.yres;
- }
- else
- {
- screen->width = 1024;
- screen->height = 768;
- }
- screen->rate = 103; /* FIXME: should get proper value from fb driver */
- }
- if (!screen->fb[0].depth)
- screen->fb[0].depth = 16;
-
- t = KdFindMode (screen, fbdevModeSupported);
- screen->rate = t->rate;
- screen->width = t->horizontal;
- screen->height = t->vertical;
-
- /* Now try setting the mode */
- if (k < 0 || (t->horizontal != var.xres || t->vertical != var.yres))
- fbdevConvertMonitorTiming (t, &var);
-
- var.activate = FB_ACTIVATE_NOW;
- var.bits_per_pixel = screen->fb[0].depth;
- var.nonstd = 0;
- var.grayscale = 0;
-
- k = ioctl (priv->fd, FBIOPUT_VSCREENINFO, &var);
-
- if (k < 0)
- {
- fprintf (stderr, "error: %s\n", strerror (errno));
- return FALSE;
- }
-
- /* Re-get the "fixed" parameters since they might have changed */
- k = ioctl (priv->fd, FBIOGET_FSCREENINFO, &priv->fix);
- if (k < 0)
- perror ("FBIOGET_FSCREENINFO");
-
- /* Now get the new screeninfo */
- ioctl (priv->fd, FBIOGET_VSCREENINFO, &priv->var);
- depth = priv->var.bits_per_pixel;
- gray = priv->var.grayscale;
-
- switch (priv->fix.visual) {
- case FB_VISUAL_PSEUDOCOLOR:
- if (gray)
- {
- screen->fb[0].visuals = (1 << StaticGray);
- /* could also support GrayScale, but what's the point? */
- }
- else
- {
- screen->fb[0].visuals = ((1 << StaticGray) |
- (1 << GrayScale) |
- (1 << StaticColor) |
- (1 << PseudoColor) |
- (1 << TrueColor) |
- (1 << DirectColor));
- }
- screen->fb[0].blueMask = 0x00;
- screen->fb[0].greenMask = 0x00;
- screen->fb[0].redMask = 0x00;
- break;
- case FB_VISUAL_STATIC_PSEUDOCOLOR:
- if (gray)
- {
- screen->fb[0].visuals = (1 << StaticGray);
- }
- else
- {
- screen->fb[0].visuals = (1 << StaticColor);
- }
- screen->fb[0].blueMask = 0x00;
- screen->fb[0].greenMask = 0x00;
- screen->fb[0].redMask = 0x00;
- break;
- case FB_VISUAL_TRUECOLOR:
- case FB_VISUAL_DIRECTCOLOR:
- screen->fb[0].visuals = (1 << TrueColor);
-#define Mask(o,l) (((1 << l) - 1) << o)
- screen->fb[0].redMask = Mask (priv->var.red.offset, priv->var.red.length);
- screen->fb[0].greenMask = Mask (priv->var.green.offset, priv->var.green.length);
- screen->fb[0].blueMask = Mask (priv->var.blue.offset, priv->var.blue.length);
-#ifdef FBDEV_KLUDGE_FORMAT
- /*
- * This is a kludge so that Render will work -- fill in the gaps
- * in the pixel
- */
- screen->fb[0].redMask = fbdevMakeContig (screen->fb[0].redMask,
- screen->fb[0].greenMask|
- screen->fb[0].blueMask);
-
- screen->fb[0].greenMask = fbdevMakeContig (screen->fb[0].greenMask,
- screen->fb[0].redMask|
- screen->fb[0].blueMask);
-
- screen->fb[0].blueMask = fbdevMakeContig (screen->fb[0].blueMask,
- screen->fb[0].redMask|
- screen->fb[0].greenMask);
-
-#endif
- allbits = screen->fb[0].redMask | screen->fb[0].greenMask | screen->fb[0].blueMask;
- depth = 32;
- while (depth && !(allbits & (1 << (depth - 1))))
- depth--;
- break;
- default:
- return FALSE;
- break;
- }
- screen->fb[0].depth = depth;
- screen->fb[0].bitsPerPixel = priv->var.bits_per_pixel;
-
- scrpriv->randr = screen->randr;
-
- return fbdevMapFramebuffer (screen);
-}
-
-Bool
-fbdevScreenInit (KdScreenInfo *screen)
-{
- FbdevScrPriv *scrpriv;
-
- scrpriv = xalloc (sizeof (FbdevScrPriv));
- if (!scrpriv)
- return FALSE;
- memset (scrpriv, '\0', sizeof (FbdevScrPriv));
- screen->driver = scrpriv;
- if (!fbdevScreenInitialize (screen, scrpriv))
- {
- screen->driver = 0;
- xfree (scrpriv);
- return FALSE;
- }
- return TRUE;
-}
-
-void *
-fbdevWindowLinear (ScreenPtr pScreen,
- CARD32 row,
- CARD32 offset,
- int mode,
- CARD32 *size,
- void *closure)
-{
- KdScreenPriv(pScreen);
- FbdevPriv *priv = pScreenPriv->card->driver;
-
- if (!pScreenPriv->enabled)
- return 0;
- *size = priv->fix.line_length;
- return (CARD8 *) priv->fb + row * priv->fix.line_length + offset;
-}
-
-Bool
-fbdevMapFramebuffer (KdScreenInfo *screen)
-{
- FbdevScrPriv *scrpriv = screen->driver;
- KdMouseMatrix m;
- FbdevPriv *priv = screen->card->driver;
-
- if (scrpriv->randr != RR_Rotate_0)
- scrpriv->shadow = TRUE;
- else
- scrpriv->shadow = FALSE;
-
- KdComputeMouseMatrix (&m, scrpriv->randr, screen->width, screen->height);
-
- KdSetMouseMatrix (&m);
-
- screen->width = priv->var.xres;
- screen->height = priv->var.yres;
- screen->memory_base = (CARD8 *) (priv->fb);
- screen->memory_size = priv->fix.smem_len;
-
- if (scrpriv->shadow)
- {
- if (!KdShadowFbAlloc (screen, 0,
- scrpriv->randr & (RR_Rotate_90|RR_Rotate_270)))
- return FALSE;
- screen->off_screen_base = screen->memory_size;
- }
- else
- {
- screen->fb[0].byteStride = priv->fix.line_length;
- screen->fb[0].pixelStride = (priv->fix.line_length * 8 /
- priv->var.bits_per_pixel);
- screen->fb[0].frameBuffer = (CARD8 *) (priv->fb);
- screen->off_screen_base = screen->fb[0].byteStride * screen->height;
- }
-
- return TRUE;
-}
-
-void
-fbdevSetScreenSizes (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- KdScreenInfo *screen = pScreenPriv->screen;
- FbdevScrPriv *scrpriv = screen->driver;
- FbdevPriv *priv = screen->card->driver;
-
- if (scrpriv->randr & (RR_Rotate_0|RR_Rotate_180))
- {
- pScreen->width = priv->var.xres;
- pScreen->height = priv->var.yres;
- pScreen->mmWidth = screen->width_mm;
- pScreen->mmHeight = screen->height_mm;
- }
- else
- {
- pScreen->width = priv->var.yres;
- pScreen->height = priv->var.xres;
- pScreen->mmWidth = screen->height_mm;
- pScreen->mmHeight = screen->width_mm;
- }
-}
-
-Bool
-fbdevUnmapFramebuffer (KdScreenInfo *screen)
-{
- KdShadowFbFree (screen, 0);
- return TRUE;
-}
-
-Bool
-fbdevSetShadow (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- KdScreenInfo *screen = pScreenPriv->screen;
- FbdevScrPriv *scrpriv = screen->driver;
- FbdevPriv *priv = screen->card->driver;
- ShadowUpdateProc update;
- ShadowWindowProc window;
- int useYX = 0;
-
-#ifdef __arm__
- /* Use variant copy routines that always read left to right in the
- shadow framebuffer. Reading vertical strips is exceptionally
- slow on XScale due to cache effects. */
- useYX = 1;
-#endif
-
- window = fbdevWindowLinear;
- update = 0;
- if (scrpriv->randr)
- if (priv->var.bits_per_pixel == 16) {
- switch (scrpriv->randr) {
- case RR_Rotate_90:
- if (useYX)
- update = shadowUpdateRotate16_90YX;
- else
- update = shadowUpdateRotate16_90;
- break;
- case RR_Rotate_180:
- update = shadowUpdateRotate16_180;
- break;
- case RR_Rotate_270:
- if (useYX)
- update = shadowUpdateRotate16_270YX;
- else
- update = shadowUpdateRotate16_270;
- break;
- default:
- update = shadowUpdateRotate16;
- break;
- }
- } else
- update = shadowUpdateRotatePacked;
- else
- update = shadowUpdatePacked;
- return KdShadowSet (pScreen, scrpriv->randr, update, window);
-}
-
-
-#ifdef RANDR
-Bool
-fbdevRandRGetInfo (ScreenPtr pScreen, Rotation *rotations)
-{
- KdScreenPriv(pScreen);
- KdScreenInfo *screen = pScreenPriv->screen;
- FbdevScrPriv *scrpriv = screen->driver;
- RRScreenSizePtr pSize;
- Rotation randr;
- int n;
-
- *rotations = RR_Rotate_All|RR_Reflect_All;
-
- for (n = 0; n < pScreen->numDepths; n++)
- if (pScreen->allowedDepths[n].numVids)
- break;
- if (n == pScreen->numDepths)
- return FALSE;
-
- pSize = RRRegisterSize (pScreen,
- screen->width,
- screen->height,
- screen->width_mm,
- screen->height_mm);
-
- randr = KdSubRotation (scrpriv->randr, screen->randr);
-
- RRSetCurrentConfig (pScreen, randr, 0, pSize);
-
- return TRUE;
-}
-
-Bool
-fbdevRandRSetConfig (ScreenPtr pScreen,
- Rotation randr,
- int rate,
- RRScreenSizePtr pSize)
-{
- KdScreenPriv(pScreen);
- KdScreenInfo *screen = pScreenPriv->screen;
- FbdevScrPriv *scrpriv = screen->driver;
- Bool wasEnabled = pScreenPriv->enabled;
- FbdevScrPriv oldscr;
- int oldwidth;
- int oldheight;
- int oldmmwidth;
- int oldmmheight;
- int newwidth, newheight;
-
- if (screen->randr & (RR_Rotate_0|RR_Rotate_180))
- {
- newwidth = pSize->width;
- newheight = pSize->height;
- }
- else
- {
- newwidth = pSize->height;
- newheight = pSize->width;
- }
-
- if (wasEnabled)
- KdDisableScreen (pScreen);
-
- oldscr = *scrpriv;
-
- oldwidth = screen->width;
- oldheight = screen->height;
- oldmmwidth = pScreen->mmWidth;
- oldmmheight = pScreen->mmHeight;
-
- /*
- * Set new configuration
- */
-
- scrpriv->randr = KdAddRotation (screen->randr, randr);
-
- KdOffscreenSwapOut (screen->pScreen);
-
- fbdevUnmapFramebuffer (screen);
-
- if (!fbdevMapFramebuffer (screen))
- goto bail4;
-
- KdShadowUnset (screen->pScreen);
-
- if (!fbdevSetShadow (screen->pScreen))
- goto bail4;
-
- fbdevSetScreenSizes (screen->pScreen);
-
- /*
- * Set frame buffer mapping
- */
- (*pScreen->ModifyPixmapHeader) (fbGetScreenPixmap (pScreen),
- pScreen->width,
- pScreen->height,
- screen->fb[0].depth,
- screen->fb[0].bitsPerPixel,
- screen->fb[0].byteStride,
- screen->fb[0].frameBuffer);
-
- /* set the subpixel order */
-
- KdSetSubpixelOrder (pScreen, scrpriv->randr);
- if (wasEnabled)
- KdEnableScreen (pScreen);
-
- return TRUE;
-
-bail4:
- fbdevUnmapFramebuffer (screen);
- *scrpriv = oldscr;
- (void) fbdevMapFramebuffer (screen);
- pScreen->width = oldwidth;
- pScreen->height = oldheight;
- pScreen->mmWidth = oldmmwidth;
- pScreen->mmHeight = oldmmheight;
-
- if (wasEnabled)
- KdEnableScreen (pScreen);
- return FALSE;
-}
-
-Bool
-fbdevRandRInit (ScreenPtr pScreen)
-{
- rrScrPrivPtr pScrPriv;
-
- if (!RRScreenInit (pScreen))
- return FALSE;
-
- pScrPriv = rrGetScrPriv(pScreen);
- pScrPriv->rrGetInfo = fbdevRandRGetInfo;
- pScrPriv->rrSetConfig = fbdevRandRSetConfig;
- return TRUE;
-}
-#endif
-
-Bool
-fbdevCreateColormap (ColormapPtr pmap)
-{
- ScreenPtr pScreen = pmap->pScreen;
- KdScreenPriv(pScreen);
- FbdevPriv *priv = pScreenPriv->card->driver;
- VisualPtr pVisual;
- int i;
- int nent;
- xColorItem *pdefs;
-
- switch (priv->fix.visual) {
- case FB_VISUAL_STATIC_PSEUDOCOLOR:
- pVisual = pmap->pVisual;
- nent = pVisual->ColormapEntries;
- pdefs = ALLOCATE_LOCAL (nent * sizeof (xColorItem));
- if (!pdefs)
- return FALSE;
- for (i = 0; i < nent; i++)
- pdefs[i].pixel = i;
- fbdevGetColors (pScreen, 0, nent, pdefs);
- for (i = 0; i < nent; i++)
- {
- pmap->red[i].co.local.red = pdefs[i].red;
- pmap->red[i].co.local.green = pdefs[i].green;
- pmap->red[i].co.local.blue = pdefs[i].blue;
- }
- DEALLOCATE_LOCAL (pdefs);
- return TRUE;
- default:
- return fbInitializeColormap (pmap);
- }
-}
-
-Bool
-fbdevInitScreen (ScreenPtr pScreen)
-{
-#ifdef TOUCHSCREEN
- KdTsPhyScreen = pScreen->myNum;
-#endif
-
- pScreen->CreateColormap = fbdevCreateColormap;
- return TRUE;
-}
-
-Bool
-fbdevFinishInitScreen (ScreenPtr pScreen)
-{
- if (!shadowSetup (pScreen))
- return FALSE;
-
-#ifdef RANDR
- if (!fbdevRandRInit (pScreen))
- return FALSE;
-#endif
-
- return TRUE;
-}
-
-
-Bool
-fbdevCreateResources (ScreenPtr pScreen)
-{
- return fbdevSetShadow (pScreen);
-}
-
-void
-fbdevPreserve (KdCardInfo *card)
-{
-}
-
-Bool
-fbdevEnable (ScreenPtr pScreen)
-{
- KdScreenPriv(pScreen);
- FbdevPriv *priv = pScreenPriv->card->driver;
- int k;
-
- priv->var.activate = FB_ACTIVATE_NOW|FB_CHANGE_CMAP_VBL;
-
- /* display it on the LCD */
- k = ioctl (priv->fd, FBIOPUT_VSCREENINFO, &priv->var);
- if (k < 0)
- {
- perror ("FBIOPUT_VSCREENINFO");
- return FALSE;
- }
-
- if (priv->fix.visual == FB_VISUAL_DIRECTCOLOR)
- {
- struct fb_cmap cmap;
- int i;
-
- for (i = 0;
- i < (1 << priv->var.red.length) ||
- i < (1 << priv->var.green.length) ||
- i < (1 << priv->var.blue.length); i++)
- {
- priv->red[i] = i * 65535 / ((1 << priv->var.red.length) - 1);
- priv->green[i] = i * 65535 / ((1 << priv->var.green.length) - 1);
- priv->blue[i] = i * 65535 / ((1 << priv->var.blue.length) - 1);
- }
- cmap.start = 0;
- cmap.len = i;
- cmap.red = &priv->red[0];
- cmap.green = &priv->green[0];
- cmap.blue = &priv->blue[0];
- cmap.transp = 0;
- ioctl (priv->fd, FBIOPUTCMAP, &cmap);
- }
- return TRUE;
-}
-
-Bool
-fbdevDPMS (ScreenPtr pScreen, int mode)
-{
- KdScreenPriv(pScreen);
- FbdevPriv *priv = pScreenPriv->card->driver;
- static int oldmode = -1;
-
- if (mode == oldmode)
- return TRUE;
-#ifdef FBIOPUT_POWERMODE
- if (ioctl (priv->fd, FBIOPUT_POWERMODE, &mode) >= 0)
- {
- oldmode = mode;
- return TRUE;
- }
-#endif
-#ifdef FBIOBLANK
- if (ioctl (priv->fd, FBIOBLANK, mode ? mode + 1 : 0) >= 0)
- {
- oldmode = mode;
- return TRUE;
- }
-#endif
- return FALSE;
-}
-
-void
-fbdevDisable (ScreenPtr pScreen)
-{
-}
-
-void
-fbdevRestore (KdCardInfo *card)
-{
-}
-
-void
-fbdevScreenFini (KdScreenInfo *screen)
-{
-}
-
-void
-fbdevCardFini (KdCardInfo *card)
-{
- FbdevPriv *priv = card->driver;
-
- munmap (priv->fb_base, priv->fix.smem_len);
- close (priv->fd);
- xfree (priv);
-}
-
-void
-fbdevGetColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
-{
- KdScreenPriv(pScreen);
- FbdevPriv *priv = pScreenPriv->card->driver;
- struct fb_cmap cmap;
- int p;
- int k;
- int min, max;
-
- min = 256;
- max = 0;
- for (k = 0; k < n; k++)
- {
- if (pdefs[k].pixel < min)
- min = pdefs[k].pixel;
- if (pdefs[k].pixel > max)
- max = pdefs[k].pixel;
- }
- cmap.start = min;
- cmap.len = max - min + 1;
- cmap.red = &priv->red[min];
- cmap.green = &priv->green[min];;
- cmap.blue = &priv->blue[min];
- cmap.transp = 0;
- k = ioctl (priv->fd, FBIOGETCMAP, &cmap);
- if (k < 0)
- {
- perror ("can't get colormap");
- return;
- }
- while (n--)
- {
- p = pdefs->pixel;
- pdefs->red = priv->red[p];
- pdefs->green = priv->green[p];
- pdefs->blue = priv->blue[p];
- pdefs++;
- }
-}
-
-void
-fbdevPutColors (ScreenPtr pScreen, int fb, int n, xColorItem *pdefs)
-{
- KdScreenPriv(pScreen);
- FbdevPriv *priv = pScreenPriv->card->driver;
- struct fb_cmap cmap;
- int p;
- int min, max;
-
- min = 256;
- max = 0;
- while (n--)
- {
- p = pdefs->pixel;
- priv->red[p] = pdefs->red;
- priv->green[p] = pdefs->green;
- priv->blue[p] = pdefs->blue;
- if (p < min)
- min = p;
- if (p > max)
- max = p;
- pdefs++;
- }
- cmap.start = min;
- cmap.len = max - min + 1;
- cmap.red = &priv->red[min];
- cmap.green = &priv->green[min];
- cmap.blue = &priv->blue[min];
- cmap.transp = 0;
- ioctl (priv->fd, FBIOPUTCMAP, &cmap);
-}
generated by cgit v1.2.3 (git 2.39.1) at 2024-11-21 21:03:20 +0000