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qemu/hw/display/cirrus_vga_rop.h

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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 inline void glue(rop_8_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr, uint8_t src)
{
uint8_t *dst = &s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask];
*dst = ROP_FN(*dst, src);
}
static inline void glue(rop_tr_8_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr, uint8_t src,
uint8_t transp)
{
uint8_t *dst = &s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask];
uint8_t pixel = ROP_FN(*dst, src);
if (pixel != transp) {
*dst = pixel;
}
}
static inline void glue(rop_16_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr, uint16_t src)
{
uint16_t *dst = (uint16_t *)
(&s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask & ~1]);
*dst = ROP_FN(*dst, src);
}
static inline void glue(rop_tr_16_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr, uint16_t src,
uint16_t transp)
{
uint16_t *dst = (uint16_t *)
(&s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask & ~1]);
uint16_t pixel = ROP_FN(*dst, src);
if (pixel != transp) {
*dst = pixel;
}
}
static inline void glue(rop_32_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr, uint32_t src)
{
uint32_t *dst = (uint32_t *)
(&s->vga.vram_ptr[dstaddr & s->cirrus_addr_mask & ~3]);
*dst = ROP_FN(*dst, src);
}
#define ROP_OP(st, d, s) glue(rop_8_, ROP_NAME)(st, d, s)
#define ROP_OP_TR(st, d, s, t) glue(rop_tr_8_, ROP_NAME)(st, d, s, t)
#define ROP_OP_16(st, d, s) glue(rop_16_, ROP_NAME)(st, d, s)
#define ROP_OP_TR_16(st, d, s, t) glue(rop_tr_16_, ROP_NAME)(st, d, s, t)
#define ROP_OP_32(st, d, s) glue(rop_32_, ROP_NAME)(st, d, s)
#undef ROP_FN
static void
glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr,
uint32_t srcaddr,
int dstpitch, int srcpitch,
int bltwidth, int bltheight)
{
int x,y;
dstpitch -= bltwidth;
srcpitch -= bltwidth;
if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) {
return;
}
for (y = 0; y < bltheight; y++) {
for (x = 0; x < bltwidth; x++) {
ROP_OP(s, dstaddr, cirrus_src(s, srcaddr));
dstaddr++;
srcaddr++;
}
dstaddr += dstpitch;
srcaddr += srcpitch;
}
}
static void
glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s,
uint32_t dstaddr,
uint32_t srcaddr,
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(s, dstaddr, cirrus_src(s, srcaddr));
dstaddr--;
srcaddr--;
}
dstaddr += dstpitch;
srcaddr += srcpitch;
}
}
static void
glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
uint32_t dstaddr,
uint32_t srcaddr,
int dstpitch,
int srcpitch,
int bltwidth,
int bltheight)
{
int x,y;
uint8_t transp = s->vga.gr[0x34];
dstpitch -= bltwidth;
srcpitch -= bltwidth;
if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) {
return;
}
for (y = 0; y < bltheight; y++) {
for (x = 0; x < bltwidth; x++) {
ROP_OP_TR(s, dstaddr, cirrus_src(s, srcaddr), transp);
dstaddr++;
srcaddr++;
}
dstaddr += dstpitch;
srcaddr += srcpitch;
}
}
static void
glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
uint32_t dstaddr,
uint32_t srcaddr,
int dstpitch,
int srcpitch,
int bltwidth,
int bltheight)
{
int x,y;
uint8_t transp = s->vga.gr[0x34];
dstpitch += bltwidth;
srcpitch += bltwidth;
for (y = 0; y < bltheight; y++) {
for (x = 0; x < bltwidth; x++) {
ROP_OP_TR(s, dstaddr, cirrus_src(s, srcaddr), transp);
dstaddr--;
srcaddr--;
}
dstaddr += dstpitch;
srcaddr += srcpitch;
}
}
static void
glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
uint32_t dstaddr,
uint32_t srcaddr,
int dstpitch,
int srcpitch,
int bltwidth,
int bltheight)
{
int x,y;
uint16_t transp = s->vga.gr[0x34] | (uint16_t)s->vga.gr[0x35] << 8;
dstpitch -= bltwidth;
srcpitch -= bltwidth;
if (bltheight > 1 && (dstpitch < 0 || srcpitch < 0)) {
return;
}
for (y = 0; y < bltheight; y++) {
for (x = 0; x < bltwidth; x+=2) {
ROP_OP_TR_16(s, dstaddr, cirrus_src16(s, srcaddr), transp);
dstaddr += 2;
srcaddr += 2;
}
dstaddr += dstpitch;
srcaddr += srcpitch;
}
}
static void
glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
uint32_t dstaddr,
uint32_t srcaddr,
int dstpitch,
int srcpitch,
int bltwidth,
int bltheight)
{
int x,y;
uint16_t transp = s->vga.gr[0x34] | (uint16_t)s->vga.gr[0x35] << 8;
dstpitch += bltwidth;
srcpitch += bltwidth;
for (y = 0; y < bltheight; y++) {
for (x = 0; x < bltwidth; x+=2) {
ROP_OP_TR_16(s, dstaddr - 1, cirrus_src16(s, srcaddr - 1), transp);
dstaddr -= 2;
srcaddr -= 2;
}
dstaddr += dstpitch;
srcaddr += 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
#undef ROP_OP_16
#undef ROP_OP_32
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