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/* Copyright (c) 2003-2008 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to
* deal in the Software without restriction, including without limitation the
* rights to use, copy, modify, merge, publish, distribute, sublicense, and/or
* sell copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
* IN THE SOFTWARE.
*
* Neither the name of the Advanced Micro Devices, Inc. nor the names of its
* contributors may be used to endorse or promote products derived from this
* software without specific prior written permission.
* */
#ifdef HAVE_CONFIG_H
#include "config.h"
#endif
#include "xf86.h"
#include "xf86i2c.h"
#include "xf86Crtc.h"
#include "geode.h"
Bool
LXCursorInit(ScreenPtr pScrn)
{
return xf86_cursors_init(pScrn, 32, 32,
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_INVERT_MASK |
HARDWARE_CURSOR_AND_SOURCE_WITH_MASK |
HARDWARE_CURSOR_SOURCE_MASK_INTERLEAVE_32);
}
static int
_getrow(unsigned char *src, int stride, int x, int y)
{
x = ((x & ~31) << 1) | (x & 31);
src += y * stride;
return (src[x >> 3] >> (x & 7)) & 1;
}
static int
_getmask(unsigned char *src, int stride, int x, int y)
{
x = ((x & ~31) << 1) | (1 << 5) | (x & 31);
src += y * stride;
return (src[x >> 3] >> (x & 7)) & 1;
}
void
LXLoadCursorImage(ScrnInfoPtr pScrni, unsigned char *src)
{
GeodeRec *pGeode = GEODEPTR(pScrni);
unsigned long andMask[32], xorMask[32];
int y, x;
for (y = 0; y < 32; y++) {
andMask[y] = (src) ? 0 : ~0;
xorMask[y] = 0;
}
if (src != NULL) {
for (y = 0; y < 32; y++) {
for (x = 0; x < 32; x++) {
xorMask[y] |= _getrow(src, 8, x, y) << (31 - x);
andMask[y] |= _getmask(src, 8, x, y) << (31 - x);
}
}
}
vg_set_mono_cursor_shape32(pGeode->CursorStartOffset, &andMask[0],
&xorMask[0], 32, 32);
}
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