[qemu.git] / hw / cirrus_vga_rop.h

/*
 * 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;
    }
}

static void
glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
						       uint8_t *dst,const uint8_t *src,
						       int dstpitch,int srcpitch,
						       int bltwidth,int bltheight)
{
    int x,y;
    uint8_t p;
    dstpitch -= bltwidth;
    srcpitch -= bltwidth;
    for (y = 0; y < bltheight; y++) {
        for (x = 0; x < bltwidth; x++) {
	    p = *dst;
            ROP_OP(p, *src);
	    if (p != s->gr[0x34]) *dst = p;
            dst++;
            src++;
        }
        dst += dstpitch;
        src += srcpitch;
    }
}

static void
glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
							uint8_t *dst,const uint8_t *src,
							int dstpitch,int srcpitch,
							int bltwidth,int bltheight)
{
    int x,y;
    uint8_t p;
    dstpitch += bltwidth;
    srcpitch += bltwidth;
    for (y = 0; y < bltheight; y++) {
        for (x = 0; x < bltwidth; x++) {
	    p = *dst;
            ROP_OP(p, *src);
	    if (p != s->gr[0x34]) *dst = p;
            dst--;
            src--;
        }
        dst += dstpitch;
        src += srcpitch;
    }
}

static void
glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
							uint8_t *dst,const uint8_t *src,
							int dstpitch,int srcpitch,
							int bltwidth,int bltheight)
{
    int x,y;
    uint8_t p1, p2;
    dstpitch -= bltwidth;
    srcpitch -= bltwidth;
    for (y = 0; y < bltheight; y++) {
        for (x = 0; x < bltwidth; x+=2) {
	    p1 = *dst;
	    p2 = *(dst+1);
            ROP_OP(p1, *src);
            ROP_OP(p2, *(src+1));
	    if ((p1 != s->gr[0x34]) || (p2 != s->gr[0x35])) {
		*dst = p1;
		*(dst+1) = p2;
	    }
            dst+=2;
            src+=2;
        }
        dst += dstpitch;
        src += srcpitch;
    }
}

static void
glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
							 uint8_t *dst,const uint8_t *src,
							 int dstpitch,int srcpitch,
							 int bltwidth,int bltheight)
{
    int x,y;
    uint8_t p1, p2;
    dstpitch += bltwidth;
    srcpitch += bltwidth;
    for (y = 0; y < bltheight; y++) {
        for (x = 0; x < bltwidth; x+=2) {
	    p1 = *(dst-1);
	    p2 = *dst;
            ROP_OP(p1, *(src-1));
            ROP_OP(p2, *src);
	    if ((p1 != s->gr[0x34]) || (p2 != s->gr[0x35])) {
		*(dst-1) = p1;
		*dst = p2;
	    }
            dst-=2;
            src-=2;
        }
        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
Commit	Line	Data
a5082316 FB	1	/*
a5082316 FB	2	* QEMU Cirrus CLGD 54xx VGA Emulator.
5fafdf24	3	*
a5082316	4	* Copyright (c) 2004 Fabrice Bellard
5fafdf24	5	*
a5082316 FB	6	* Permission is hereby granted, free of charge, to any person obtaining a copy
	7	* of this software and associated documentation files (the "Software"), to deal
	8	* in the Software without restriction, including without limitation the rights
	9	* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
	10	* copies of the Software, and to permit persons to whom the Software is
	11	* furnished to do so, subject to the following conditions:
	12	*
	13	* The above copyright notice and this permission notice shall be included in
	14	* all copies or substantial portions of the Software.
	15	*
	16	* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
	17	* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
	18	* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
	19	* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
	20	* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
	21	* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
	22	* THE SOFTWARE.
	23	*/
	24
	25	static void
	26	glue(cirrus_bitblt_rop_fwd_, ROP_NAME)(CirrusVGAState *s,
	27	uint8_t dst,const uint8_t src,
	28	int dstpitch,int srcpitch,
	29	int bltwidth,int bltheight)
	30	{
	31	int x,y;
	32	dstpitch -= bltwidth;
	33	srcpitch -= bltwidth;
	34	for (y = 0; y < bltheight; y++) {
	35	for (x = 0; x < bltwidth; x++) {
	36	ROP_OP(dst, src);
	37	dst++;
	38	src++;
	39	}
	40	dst += dstpitch;
	41	src += srcpitch;
	42	}
	43	}
	44
	45	static void
	46	glue(cirrus_bitblt_rop_bkwd_, ROP_NAME)(CirrusVGAState *s,
	47	uint8_t dst,const uint8_t src,
	48	int dstpitch,int srcpitch,
	49	int bltwidth,int bltheight)
	50	{
	51	int x,y;
	52	dstpitch += bltwidth;
	53	srcpitch += bltwidth;
	54	for (y = 0; y < bltheight; y++) {
	55	for (x = 0; x < bltwidth; x++) {
	56	ROP_OP(dst, src);
	57	dst--;
	58	src--;
	59	}
	60	dst += dstpitch;
	61	src += srcpitch;
	62	}
	63	}
	64
96cf2df8 TS	65	static void
	66	glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
	67	uint8_t dst,const uint8_t src,
	68	int dstpitch,int srcpitch,
	69	int bltwidth,int bltheight)
	70	{
	71	int x,y;
	72	uint8_t p;
	73	dstpitch -= bltwidth;
	74	srcpitch -= bltwidth;
	75	for (y = 0; y < bltheight; y++) {
	76	for (x = 0; x < bltwidth; x++) {
	77	p = *dst;
	78	ROP_OP(p, *src);
	79	if (p != s->gr[0x34]) *dst = p;
	80	dst++;
	81	src++;
	82	}
	83	dst += dstpitch;
	84	src += srcpitch;
	85	}
	86	}
	87
	88	static void
	89	glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_8)(CirrusVGAState *s,
	90	uint8_t dst,const uint8_t src,
	91	int dstpitch,int srcpitch,
	92	int bltwidth,int bltheight)
	93	{
	94	int x,y;
	95	uint8_t p;
	96	dstpitch += bltwidth;
	97	srcpitch += bltwidth;
	98	for (y = 0; y < bltheight; y++) {
	99	for (x = 0; x < bltwidth; x++) {
	100	p = *dst;
	101	ROP_OP(p, *src);
	102	if (p != s->gr[0x34]) *dst = p;
	103	dst--;
	104	src--;
	105	}
	106	dst += dstpitch;
	107	src += srcpitch;
	108	}
	109	}
	110
	111	static void
	112	glue(glue(cirrus_bitblt_rop_fwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
	113	uint8_t dst,const uint8_t src,
	114	int dstpitch,int srcpitch,
	115	int bltwidth,int bltheight)
	116	{
	117	int x,y;
	118	uint8_t p1, p2;
	119	dstpitch -= bltwidth;
	120	srcpitch -= bltwidth;
	121	for (y = 0; y < bltheight; y++) {
	122	for (x = 0; x < bltwidth; x+=2) {
	123	p1 = *dst;
	124	p2 = *(dst+1);
	125	ROP_OP(p1, *src);
	126	ROP_OP(p2, *(src+1));
	127	if ((p1 != s->gr[0x34]) \|\| (p2 != s->gr[0x35])) {
	128	*dst = p1;
129	*(dst+1) = p2;
130	}
131	dst+=2;
132	src+=2;
133	}
134	dst += dstpitch;
135	src += srcpitch;
136	}
137	}
138
139	static void
140	glue(glue(cirrus_bitblt_rop_bkwd_transp_, ROP_NAME),_16)(CirrusVGAState *s,
141	uint8_t dst,const uint8_t src,
142	int dstpitch,int srcpitch,
143	int bltwidth,int bltheight)
144	{
145	int x,y;
146	uint8_t p1, p2;
147	dstpitch += bltwidth;
148	srcpitch += bltwidth;
149	for (y = 0; y < bltheight; y++) {
150	for (x = 0; x < bltwidth; x+=2) {
151	p1 = *(dst-1);
152	p2 = *dst;
153	ROP_OP(p1, *(src-1));
154	ROP_OP(p2, *src);
155	if ((p1 != s->gr[0x34]) \|\| (p2 != s->gr[0x35])) {
156	*(dst-1) = p1;
157	*dst = p2;
158	}
159	dst-=2;
160	src-=2;
161	}
162	dst += dstpitch;
163	src += srcpitch;
164	}
165	}
166
a5082316 FB	167	#define DEPTH 8
	168	#include "cirrus_vga_rop2.h"
	169
	170	#define DEPTH 16
	171	#include "cirrus_vga_rop2.h"
	172
	173	#define DEPTH 24
	174	#include "cirrus_vga_rop2.h"
	175
	176	#define DEPTH 32
	177	#include "cirrus_vga_rop2.h"
	178
	179	#undef ROP_NAME
	180	#undef ROP_OP