mirror of
https://github.com/qemu/qemu.git
synced 2024-11-24 19:33:39 +08:00
a5082316e9
git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@902 c046a42c-6fe2-441c-8c8c-71466251a162
79 lines
2.4 KiB
C
79 lines
2.4 KiB
C
/*
|
|
* QEMU Cirrus CLGD 54xx VGA Emulator.
|
|
*
|
|
* Copyright (c) 2004 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.
|
|
*/
|
|
|
|
static void
|
|
glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s,
|
|
uint8_t *dst,const uint8_t *src,
|
|
int dstpitch,int srcpitch,
|
|
int bltwidth,int bltheight)
|
|
{
|
|
int x,y;
|
|
dstpitch -= bltwidth;
|
|
srcpitch -= bltwidth;
|
|
for (y = 0; y < bltheight; y++) {
|
|
for (x = 0; x < bltwidth; x++) {
|
|
ROP_OP(*dst, *src);
|
|
dst++;
|
|
src++;
|
|
}
|
|
dst += dstpitch;
|
|
src += srcpitch;
|
|
}
|
|
}
|
|
|
|
static void
|
|
glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s,
|
|
uint8_t *dst,const uint8_t *src,
|
|
int dstpitch,int srcpitch,
|
|
int bltwidth,int bltheight)
|
|
{
|
|
int x,y;
|
|
dstpitch += bltwidth;
|
|
srcpitch += bltwidth;
|
|
for (y = 0; y < bltheight; y++) {
|
|
for (x = 0; x < bltwidth; x++) {
|
|
ROP_OP(*dst, *src);
|
|
dst--;
|
|
src--;
|
|
}
|
|
dst += dstpitch;
|
|
src += srcpitch;
|
|
}
|
|
}
|
|
|
|
#define DEPTH 8
|
|
#include "cirrus_vga_rop2.h"
|
|
|
|
#define DEPTH 16
|
|
#include "cirrus_vga_rop2.h"
|
|
|
|
#define DEPTH 24
|
|
#include "cirrus_vga_rop2.h"
|
|
|
|
#define DEPTH 32
|
|
#include "cirrus_vga_rop2.h"
|
|
|
|
#undef ROP_NAME
|
|
#undef ROP_OP
|