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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 "xf86Crtc.h"
#include "geode.h"
Bool
LXCursorInit(ScreenPtr pScrn)
{
return xf86_cursors_init(pScrn, 32, 32,
HARDWARE_CURSOR_BIT_ORDER_MSBFIRST |
HARDWARE_CURSOR_TRUECOLOR_AT_8BPP |
HARDWARE_CURSOR_SOURCE_MASK_NOT_INTERLEAVED);
}
void
LXLoadCursorImage(ScrnInfoPtr pScrni, unsigned char *src)
{
int i, n, x, y, newX, newY;
unsigned long andMask[32], xorMask[32];
GeodeRec *pGeode = GEODEPTR(pScrni);
unsigned long mskb, rowb;
unsigned char *rowp = &src[0];
unsigned char *mskp = &src[128];
if (src != NULL) {
mskb = rowb = 0;
for (y = 32; --y >= 0;)
andMask[y] = xorMask[y] = 0;
for (y = 0; y < 32; ++y) {
for (x = 0; x < 32; ++x) {
if ((i = x & 7) == 0) {
rowb = (*rowp & *mskp);
mskb = ~(*mskp);
++rowp;
++mskp;
}
switch (pGeode->rotation) {
default:
ErrorF("%s:%d invalid rotation %d\n", __func__, __LINE__,
pGeode->rotation);
case RR_Rotate_0:
newX = x;
newY = y;
break;
case RR_Rotate_270:
newX = y;
newY = 31 - x;
break;
case RR_Rotate_180:
newX = 31 - x;
newY = 31 - y;
break;
case RR_Rotate_90:
newX = 31 - y;
newY = x;
break;
}
i = 7 - i;
n = 31 - newX;
andMask[newY] |= (((mskb >> i) & 1) << n);
xorMask[newY] |= (((rowb >> i) & 1) << n);
}
}
} else {
for (y = 32; --y >= 0;) {
andMask[y] = ~0;
xorMask[y] = 0;
}
}
vg_set_mono_cursor_shape32(pGeode->CursorStartOffset, &andMask[0],
&xorMask[0], 31, 31);
}
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