mirror of
https://gitlab.freedesktop.org/xorg/xserver.git
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52ada03edb
Move check for 24/32 copy to fbCopyNtoN so that other users will hit it
Eliminate miext/layer
Build damage infrastructure. Don't build layer
Build damage infrastructure. Don't build layer
Memory leak fix of mach64c on server reset Memory leak fix for video on
server reset. Eliminate layer
Build damage infrastructure. Don't build layer
Build damage infrastructure. Don't build layer
Build damage infrastructure. Don't build layer
Build damage infrastructure. Don't build layer
Don't assume windows are onscreen, use GetWindowPixmap and test
devPrivate.ptr. Make sure depth 24 pixmaps are 24bpp when hardware
format is 24bpp.
Get rid of debug KdAssertSync function
add memory_size to KdScreenInfo, eliminate off_screen_size, fix tests to
suit.
Build damage infrastructure. Don't build layer
Use damage (for software cursor, I guess)
Damage is used for software cursor
Build damage infrastructure. Don't build layer
Use damage to track changes
Fix memory leak
795 lines
18 KiB
C
795 lines
18 KiB
C
/*
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* Id: fbdev.c,v 1.1 1999/11/02 03:54:46 keithp Exp $
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*
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* Copyright © 1999 Keith Packard
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*
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* Permission to use, copy, modify, distribute, and sell this software and its
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* documentation for any purpose is hereby granted without fee, provided that
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* the above copyright notice appear in all copies and that both that
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* copyright notice and this permission notice appear in supporting
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* documentation, and that the name of Keith Packard not be used in
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* advertising or publicity pertaining to distribution of the software without
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* specific, written prior permission. Keith Packard makes no
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* representations about the suitability of this software for any purpose. It
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* is provided "as is" without express or implied warranty.
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*
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* KEITH PACKARD DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
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* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
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* EVENT SHALL KEITH PACKARD BE LIABLE FOR ANY SPECIAL, INDIRECT OR
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* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
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* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
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* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
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* PERFORMANCE OF THIS SOFTWARE.
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*/
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/* $RCSId: xc/programs/Xserver/hw/kdrive/fbdev/fbdev.c,v 1.31 2002/10/14 18:01:40 keithp Exp $ */
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#ifdef HAVE_CONFIG_H
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#include <config.h>
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#endif
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#include "fbdev.h"
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#include <sys/ioctl.h>
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/* this code was used to debug MSB 24bpp code on a 16bpp frame buffer */
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#undef FAKE24_ON_16
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extern int KdTsPhyScreen;
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Bool
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fbdevInitialize (KdCardInfo *card, FbdevPriv *priv)
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{
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int k;
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unsigned long off;
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if ((priv->fd = open("/dev/fb0", O_RDWR)) < 0) {
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perror("Error opening /dev/fb0\n");
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return FALSE;
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}
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if ((k=ioctl(priv->fd, FBIOGET_FSCREENINFO, &priv->fix)) < 0) {
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perror("Error with /dev/fb ioctl FIOGET_FSCREENINFO");
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close (priv->fd);
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return FALSE;
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}
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if ((k=ioctl(priv->fd, FBIOGET_VSCREENINFO, &priv->var)) < 0) {
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perror("Error with /dev/fb ioctl FIOGET_VSCREENINFO");
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close (priv->fd);
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return FALSE;
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}
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priv->fb_base = (unsigned char *) mmap ((caddr_t) NULL,
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priv->fix.smem_len,
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PROT_READ|PROT_WRITE,
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MAP_SHARED,
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priv->fd, 0);
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if (priv->fb_base == (char *)-1)
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{
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perror("ERROR: mmap framebuffer fails!");
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close (priv->fd);
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return FALSE;
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}
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off = (unsigned long) priv->fix.smem_start % (unsigned long) getpagesize();
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priv->fb = priv->fb_base + off;
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return TRUE;
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}
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Bool
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fbdevCardInit (KdCardInfo *card)
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{
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FbdevPriv *priv;
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priv = (FbdevPriv *) xalloc (sizeof (FbdevPriv));
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if (!priv)
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return FALSE;
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if (!fbdevInitialize (card, priv))
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{
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xfree (priv);
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return FALSE;
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}
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card->driver = priv;
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return TRUE;
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}
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#define FBDEV_KLUDGE_FORMAT
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#ifdef FBDEV_KLUDGE_FORMAT
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static Pixel
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fbdevMakeContig (Pixel orig, Pixel others)
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{
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Pixel low;
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low = lowbit (orig) >> 1;
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while (low && (others & low) == 0)
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{
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orig |= low;
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low >>= 1;
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}
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return orig;
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}
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#endif
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Bool
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fbdevScreenInitialize (KdScreenInfo *screen, FbdevScrPriv *scrpriv)
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{
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FbdevPriv *priv = screen->card->driver;
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Pixel allbits;
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int depth;
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Bool gray;
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#ifdef FAKE24_ON_16
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Bool fake24;
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#endif
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depth = priv->var.bits_per_pixel;
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gray = priv->var.grayscale;
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switch (priv->fix.visual) {
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case FB_VISUAL_PSEUDOCOLOR:
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if (gray)
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{
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screen->fb[0].visuals = (1 << StaticGray);
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/* could also support GrayScale, but what's the point? */
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}
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else
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{
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screen->fb[0].visuals = ((1 << StaticGray) |
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(1 << GrayScale) |
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(1 << StaticColor) |
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(1 << PseudoColor) |
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(1 << TrueColor) |
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(1 << DirectColor));
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}
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screen->fb[0].blueMask = 0x00;
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screen->fb[0].greenMask = 0x00;
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screen->fb[0].redMask = 0x00;
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break;
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case FB_VISUAL_STATIC_PSEUDOCOLOR:
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if (gray)
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{
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screen->fb[0].visuals = (1 << StaticGray);
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}
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else
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{
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screen->fb[0].visuals = (1 << StaticColor);
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}
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screen->fb[0].blueMask = 0x00;
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screen->fb[0].greenMask = 0x00;
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screen->fb[0].redMask = 0x00;
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break;
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case FB_VISUAL_TRUECOLOR:
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case FB_VISUAL_DIRECTCOLOR:
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screen->fb[0].visuals = (1 << TrueColor);
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#define Mask(o,l) (((1 << l) - 1) << o)
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screen->fb[0].redMask = Mask (priv->var.red.offset, priv->var.red.length);
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screen->fb[0].greenMask = Mask (priv->var.green.offset, priv->var.green.length);
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screen->fb[0].blueMask = Mask (priv->var.blue.offset, priv->var.blue.length);
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#ifdef FBDEV_KLUDGE_FORMAT
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/*
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* This is a kludge so that Render will work -- fill in the gaps
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* in the pixel
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*/
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screen->fb[0].redMask = fbdevMakeContig (screen->fb[0].redMask,
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screen->fb[0].greenMask|
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screen->fb[0].blueMask);
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screen->fb[0].greenMask = fbdevMakeContig (screen->fb[0].greenMask,
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screen->fb[0].redMask|
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screen->fb[0].blueMask);
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screen->fb[0].blueMask = fbdevMakeContig (screen->fb[0].blueMask,
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screen->fb[0].redMask|
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screen->fb[0].greenMask);
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#endif
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allbits = screen->fb[0].redMask | screen->fb[0].greenMask | screen->fb[0].blueMask;
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depth = 32;
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while (depth && !(allbits & (1 << (depth - 1))))
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depth--;
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break;
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default:
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return FALSE;
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break;
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}
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screen->rate = 72;
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scrpriv->randr = screen->randr;
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#ifdef FAKE24_ON_16
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if (screen->fb[0].depth == 24 && screen->fb[0].bitsPerPixel == 24 &&
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priv->var.bits_per_pixel == 16)
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{
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fake24 = TRUE;
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scrpriv->shadow = TRUE;
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scrpriv->rotation = 0;
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screen->fb[0].redMask = 0xff0000;
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screen->fb[0].greenMask = 0x00ff00;
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screen->fb[0].blueMask = 0x0000ff;
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screen->width = priv->var.xres;
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screen->height = priv->var.yres;
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screen->softCursor = TRUE;
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}
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else
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#endif
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{
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screen->fb[0].depth = depth;
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screen->fb[0].bitsPerPixel = priv->var.bits_per_pixel;
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screen->width = priv->var.xres;
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screen->height = priv->var.yres;
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screen->fb[0].byteStride = priv->fix.line_length;
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screen->fb[0].pixelStride = (priv->fix.line_length * 8 /
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priv->var.bits_per_pixel);
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screen->fb[0].frameBuffer = (CARD8 *) (priv->fb);
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}
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return TRUE;
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}
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Bool
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fbdevScreenInit (KdScreenInfo *screen)
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{
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FbdevScrPriv *scrpriv;
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scrpriv = xalloc (sizeof (FbdevScrPriv));
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if (!scrpriv)
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return FALSE;
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memset (scrpriv, '\0', sizeof (FbdevScrPriv));
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if (!fbdevScreenInitialize (screen, scrpriv))
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{
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xfree (scrpriv);
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return FALSE;
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}
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screen->driver = scrpriv;
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return TRUE;
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}
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void *
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fbdevWindowLinear (ScreenPtr pScreen,
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CARD32 row,
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CARD32 offset,
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int mode,
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CARD32 *size,
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void *closure)
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{
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KdScreenPriv(pScreen);
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FbdevPriv *priv = pScreenPriv->card->driver;
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if (!pScreenPriv->enabled)
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return 0;
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*size = priv->fix.line_length;
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return (CARD8 *) priv->fb + row * priv->fix.line_length + offset;
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}
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#ifdef FAKE24_ON_16
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void
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fbdevUpdateFake24 (ScreenPtr pScreen,
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PixmapPtr pShadow,
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RegionPtr damage)
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{
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shadowScrPriv(pScreen);
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int nbox = REGION_NUM_RECTS (damage);
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BoxPtr pbox = REGION_RECTS (damage);
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FbBits *shaBits;
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CARD8 *shaBase, *shaLine, *sha;
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CARD16 s;
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FbStride shaStride;
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int scrBase, scrLine, scr;
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int shaBpp;
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int x, y, w, h, width;
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int i;
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CARD16 *winBase, *winLine, *win;
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CARD32 winSize;
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fbGetDrawable (&pShadow->drawable, shaBits, shaStride, shaBpp);
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shaStride = shaStride * sizeof (FbBits) / sizeof (CARD8);
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shaBase = (CARD8 *) shaBits;
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while (nbox--)
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{
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x = pbox->x1;
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y = pbox->y1;
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w = (pbox->x2 - pbox->x1);
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h = pbox->y2 - pbox->y1;
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shaLine = shaBase + y * shaStride + x * 3;
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while (h--)
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{
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winSize = 0;
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scrBase = 0;
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width = w;
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scr = x;
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sha = shaLine;
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while (width) {
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/* how much remains in this window */
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i = scrBase + winSize - scr;
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if (i <= 0 || scr < scrBase)
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{
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winBase = (CARD16 *) (*pScrPriv->window) (pScreen,
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y,
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scr * sizeof (CARD16),
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SHADOW_WINDOW_WRITE,
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&winSize);
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if(!winBase)
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return;
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scrBase = scr;
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winSize /= sizeof (CARD16);
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i = winSize;
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}
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win = winBase + (scr - scrBase);
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if (i > width)
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i = width;
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width -= i;
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scr += i;
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while (i--)
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{
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#if IMAGE_BYTE_ORDER == MSBFirst
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*win++ = ((sha[2] >> 3) |
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((sha[1] & 0xf8) << 2) |
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((sha[0] & 0xf8) << 7));
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#else
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*win++ = ((sha[0] >> 3) |
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((sha[1] & 0xfc) << 3) |
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((sha[2] & 0xf8) << 8));
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#endif
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sha += 3;
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}
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}
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shaLine += shaStride;
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y++;
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}
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pbox++;
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}
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}
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#endif /* FAKE24_ON_16 */
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void
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fbdevConfigureScreen (ScreenPtr pScreen)
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{
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KdScreenPriv(pScreen);
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KdScreenInfo *screen = pScreenPriv->screen;
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FbdevScrPriv *scrpriv = screen->driver;
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KdMouseMatrix m;
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#ifdef FAKE24_ON_16
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if (fake24)
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{
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scrpriv->randr = RR_Rotate_0;
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scrpriv->shadow = TRUE;
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}
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else
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#endif /* FAKE24_ON_16 */
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{
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if (scrpriv->randr != RR_Rotate_0)
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scrpriv->shadow = TRUE;
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else
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scrpriv->shadow = FALSE;
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}
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|
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KdComputeMouseMatrix (&m, scrpriv->randr, screen->width, screen->height);
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if (m.matrix[0][0])
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{
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pScreen->width = screen->width;
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pScreen->height = screen->height;
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pScreen->mmWidth = screen->width_mm;
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pScreen->mmHeight = screen->height_mm;
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}
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else
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{
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pScreen->width = screen->height;
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pScreen->height = screen->width;
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pScreen->mmWidth = screen->height_mm;
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pScreen->mmHeight = screen->width_mm;
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}
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KdSetMouseMatrix (&m);
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}
|
|
|
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PixmapPtr
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fbdevGetPixmap (ScreenPtr pScreen)
|
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{
|
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KdScreenPriv(pScreen);
|
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KdScreenInfo *screen = pScreenPriv->screen;
|
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FbdevScrPriv *scrpriv = screen->driver;
|
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ShadowUpdateProc update;
|
|
ShadowWindowProc window;
|
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PixmapPtr pShadow, pPixmap;
|
|
|
|
if (scrpriv->shadow)
|
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{
|
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window = fbdevWindowLinear;
|
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update = 0;
|
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#ifdef FAKE24_ON_16
|
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if (pScreenPriv->screen->fb[0].bitsPerPixel == 24 && priv->var.bits_per_pixel == 16)
|
|
{
|
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update = fbdevUpdateFake24;
|
|
}
|
|
else
|
|
#endif /* FAKE24_ON_16 */
|
|
{
|
|
if (scrpriv->randr)
|
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update = shadowUpdateRotatePacked;
|
|
else
|
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update = shadowUpdatePacked;
|
|
}
|
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pPixmap = (*pScreen->CreatePixmap) (pScreen,
|
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pScreen->width,
|
|
pScreen->height,
|
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screen->fb[0].depth);
|
|
if (!pPixmap)
|
|
return FALSE;
|
|
shadowSet (pScreen, pPixmap, update, window, scrpriv->randr, 0);
|
|
pShadow = pPixmap;
|
|
}
|
|
else
|
|
{
|
|
pPixmap = (*pScreen->GetScreenPixmap) (pScreen);
|
|
pShadow = 0;
|
|
}
|
|
|
|
if (scrpriv->pShadow)
|
|
(*pScreen->DestroyPixmap) (scrpriv->pShadow);
|
|
scrpriv->pShadow = pShadow;
|
|
|
|
return pPixmap;
|
|
}
|
|
|
|
|
|
#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;
|
|
}
|
|
|
|
int
|
|
fbdevPixmapSet (WindowPtr pWin, pointer value)
|
|
{
|
|
ScreenPtr pScreen = pWin->drawable.pScreen;
|
|
PixmapPtr pPixmap = value;
|
|
|
|
(*pScreen->SetWindowPixmap) (pWin, pPixmap);
|
|
return WT_WALKCHILDREN;
|
|
}
|
|
|
|
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;
|
|
PixmapPtr pPixmap;
|
|
|
|
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);
|
|
|
|
fbdevConfigureScreen (pScreen);
|
|
|
|
/*
|
|
* Get the pixmap that windows live in
|
|
*/
|
|
pPixmap = fbdevGetPixmap (pScreen);
|
|
if (!pPixmap)
|
|
goto bail4;
|
|
|
|
WalkTree (pScreen, fbdevPixmapSet, (pointer) pPixmap);
|
|
|
|
KdSetSubpixelOrder (pScreen, scrpriv->randr);
|
|
if (wasEnabled)
|
|
KdEnableScreen (pScreen);
|
|
|
|
return TRUE;
|
|
|
|
bail4:
|
|
pScreen->width = oldwidth;
|
|
pScreen->height = oldheight;
|
|
pScreen->mmWidth = oldmmwidth;
|
|
pScreen->mmHeight = oldmmheight;
|
|
*scrpriv = oldscr;
|
|
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 shadowSetup (pScreen);
|
|
}
|
|
|
|
Bool
|
|
fbdevFinishInitScreen (ScreenPtr pScreen)
|
|
{
|
|
PixmapPtr pPixmap;
|
|
|
|
fbdevConfigureScreen (pScreen);
|
|
|
|
pPixmap = fbdevGetPixmap (pScreen);
|
|
if (!pPixmap)
|
|
return FALSE;
|
|
|
|
#ifdef RANDR
|
|
if (!fbdevRandRInit (pScreen))
|
|
return FALSE;
|
|
#endif
|
|
|
|
return TRUE;
|
|
}
|
|
|
|
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);
|
|
}
|