swh:1:snp:49cd9498d6cccc5e78252c27dcb645bcf7bf0c91
- v6.1-rc6
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- v6.0-rc6
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- v6.0
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- v5.7
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- v5.19-rc8
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- v5.15
- v5.14-rc7
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- v5.14
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- v5.13
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- v5.12
- v5.11-rc7
- v5.11-rc6
- v5.11-rc5
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- v5.11
- v5.10-rc7
- v5.10-rc6
- v5.10-rc5
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- v5.10
- v5.1-rc7
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- v5.1-rc5
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- v5.1-rc2
- v5.1-rc1
- v5.1
- v5.0-rc8
- v5.0-rc7
- v5.0-rc6
- v5.0-rc5
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- v5.0
- v4.9-rc8
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- v4.9
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- v4.8
- v4.7-rc7
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- v4.7
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- v4.3
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- v4.17
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- v4.16
- v4.15-rc9
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- v4.15
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- v4.14-rc6
- v4.14-rc5
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- v4.14
- v4.13-rc7
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- v4.13-rc5
- v4.13-rc4
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- v4.13-rc2
- v4.13-rc1
- v4.13
- v4.12-rc7
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- v4.12-rc5
- v4.12-rc4
- v4.12-rc3
- v4.12-rc2
- v4.12-rc1
- v4.12
- v4.11-rc8
- v4.11-rc7
- v4.11-rc6
- v4.11-rc5
- v4.11-rc4
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- v4.11-rc1
- v4.11
- v4.10-rc8
- v4.10-rc7
- v4.10-rc6
- v4.10-rc5
- v4.10-rc4
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- v4.10-rc2
- v4.10-rc1
- v4.10
- v4.1-rc8
- v4.1-rc7
- v4.1-rc6
- v4.1-rc5
- v4.1-rc4
- v4.1-rc3
- v4.1-rc2
- v4.1-rc1
- v4.1
- v4.0-rc7
- v4.0-rc6
- v4.0-rc5
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- v4.0-rc2
- v4.0-rc1
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- v3.9
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- v3.8-rc2
- v3.8-rc1
- v3.8
- v3.7-rc8
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- v3.7-rc5
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- v3.6-rc6
- v3.6-rc5
- v3.6-rc4
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- v2.6.38-rc1
- v2.6.38
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- v2.6.37-rc1
- v2.6.37
- v2.6.36-rc8
- v2.6.36-rc7
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- v2.6.29
- v2.6.28-rc9
- v2.6.28-rc8
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- v2.6.28
- v2.6.27-rc9
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- v2.6.27
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- v2.6.26
- v2.6.25-rc9
- v2.6.25-rc8
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- v2.6.24-rc8
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- v2.6.23
- v2.6.22-rc7
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- v2.6.22
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- v2.6.20
- v2.6.19-rc6
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- v2.6.19
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Tip revision: e478bec0ba0a83a48a0f6982934b6de079e7e6b3 authored by Linus Torvalds on 20 September 2006, 03:42:06 UTC
Linux v2.6.18. Arrr!
Linux v2.6.18. Arrr!
Tip revision: e478bec
softcursor.c
/*
* linux/drivers/video/softcursor.c -- Generic software cursor for frame buffer devices
*
* Created 14 Nov 2002 by James Simmons
*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file COPYING in the main directory of this archive
* for more details.
*/
#include <linux/module.h>
#include <linux/string.h>
#include <linux/fb.h>
#include <linux/slab.h>
#include <asm/uaccess.h>
#include <asm/io.h>
#include "fbcon.h"
int soft_cursor(struct fb_info *info, struct fb_cursor *cursor)
{
unsigned int scan_align = info->pixmap.scan_align - 1;
unsigned int buf_align = info->pixmap.buf_align - 1;
unsigned int i, size, dsize, s_pitch, d_pitch;
struct fb_image *image;
u8 *dst, *src;
if (info->state != FBINFO_STATE_RUNNING)
return 0;
s_pitch = (cursor->image.width + 7) >> 3;
dsize = s_pitch * cursor->image.height;
src = kmalloc(dsize + sizeof(struct fb_image), GFP_ATOMIC);
if (!src)
return -ENOMEM;
image = (struct fb_image *) (src + dsize);
*image = cursor->image;
d_pitch = (s_pitch + scan_align) & ~scan_align;
size = d_pitch * image->height + buf_align;
size &= ~buf_align;
dst = fb_get_buffer_offset(info, &info->pixmap, size);
if (cursor->enable) {
switch (cursor->rop) {
case ROP_XOR:
for (i = 0; i < dsize; i++)
src[i] = image->data[i] ^ cursor->mask[i];
break;
case ROP_COPY:
default:
for (i = 0; i < dsize; i++)
src[i] = image->data[i] & cursor->mask[i];
break;
}
} else
memcpy(src, image->data, dsize);
fb_pad_aligned_buffer(dst, d_pitch, src, s_pitch, image->height);
image->data = dst;
info->fbops->fb_imageblit(info, image);
kfree(src);
return 0;
}
EXPORT_SYMBOL(soft_cursor);
MODULE_AUTHOR("James Simmons <jsimmons@users.sf.net>");
MODULE_DESCRIPTION("Generic software cursor");
MODULE_LICENSE("GPL");