/*
* QEMU Cirrus VGA Emulator templates
*
* Copyright (c) 2003 Fabrice Bellard
*
* 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.
*/
#if DEPTH == 8
#define BPP 1
#elif DEPTH == 15 || DEPTH == 16
#define BPP 2
#elif DEPTH == 32
#define BPP 4
#else
#error unsupported depth
#endif
static void glue(vga_draw_cursor_line_, DEPTH)(uint8_t *d1,
const uint8_t *src1,
int poffset, int w,
unsigned int color0,
unsigned int color1,
unsigned int color_xor)
{
const uint8_t *plane0, *plane1;
int x, b0, b1;
uint8_t *d;
d = d1;
plane0 = src1;
plane1 = src1 + poffset;
for (x = 0; x < w; x++) {
b0 = (plane0[x >> 3] >> (7 - (x & 7))) & 1;
b1 = (plane1[x >> 3] >> (7 - (x & 7))) & 1;
#if DEPTH == 8
switch (b0 | (b1 << 1)) {
case 0:
break;
case 1:
d[0] ^= color_xor;
break;
case 2:
d[0] = color0;
break;
case 3:
d[0] = color1;
break;
}
#elif DEPTH == 16
switch (b0 | (b1 << 1)) {
case 0:
break;
case 1:
((uint16_t *)d)[0] ^= color_xor;
break;
case 2:
((uint16_t *)d)[0] = color0;
break;
case 3:
((uint16_t *)d)[0] = color1;
break;
}
#elif DEPTH == 32
switch (b0 | (b1 << 1)) {
case 0:
break;
case 1:
((uint32_t *)d)[0] ^= color_xor;
break;
case 2:
((uint32_t *)d)[0] = color0;
break;
case 3:
((uint32_t *)d)[0] = color1;
break;
}
#else
#error unsupported depth
#endif
d += BPP;
}
}
#undef DEPTH
#undef BPP
