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hardware cursor support - fill with rop support - color expand and color expand with transparent support - various optimisations

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git-svn-id: svn://svn.savannah.nongnu.org/qemu/trunk@902 c046a42c-6fe2-441c-8c8c-71466251a162
This commit is contained in:
bellard 2004-06-06 15:16:19 +00:00
parent 20ba3ae101
commit a5082316e9
3 changed files with 880 additions and 628 deletions
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78
hw/cirrus_vga_rop.h Normal file
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/*
* 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