2 * QEMU Cirrus CLGD 54xx VGA Emulator.
4 * Copyright (c) 2004 Fabrice Bellard
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:
13 * The above copyright notice and this permission notice shall be included in
14 * all copies or substantial portions of the Software.
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
26 #define PUTPIXEL() ROP_OP(d[0], col)
28 #define PUTPIXEL() ROP_OP(((uint16_t *)d)[0], col);
30 #define PUTPIXEL() ROP_OP(d[0], col); \
31 ROP_OP(d[1], (col >> 8)); \
32 ROP_OP(d[2], (col >> 16))
34 #define PUTPIXEL() ROP_OP(((uint32_t *)d)[0], col)
36 #error unsupported DEPTH
40 glue(glue(glue(cirrus_patternfill_, ROP_NAME), _),DEPTH)
41 (CirrusVGAState * s, uint8_t * dst,
43 int dstpitch, int srcpitch,
44 int bltwidth, int bltheight)
47 int x, y, pattern_y, pattern_pitch, pattern_x;
58 pattern_y = s->cirrus_blt_srcaddr & 7;
60 for(y = 0; y < bltheight; y++) {
62 src1 = src + pattern_y * pattern_pitch;
63 for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
65 col = src1[pattern_x];
66 pattern_x = (pattern_x + 1) & 7;
68 col = ((uint16_t *)(src1 + pattern_x))[0];
69 pattern_x = (pattern_x + 2) & 15;
72 const uint8_t *src2 = src1 + pattern_x * 3;
73 col = src2[0] | (src2[1] << 8) | (src2[2] << 16);
74 pattern_x = (pattern_x + 1) & 7;
77 col = ((uint32_t *)(src1 + pattern_x))[0];
78 pattern_x = (pattern_x + 4) & 31;
83 pattern_y = (pattern_y + 1) & 7;
88 /* NOTE: srcpitch is ignored */
90 glue(glue(glue(cirrus_colorexpand_transp_, ROP_NAME), _),DEPTH)
91 (CirrusVGAState * s, uint8_t * dst,
93 int dstpitch, int srcpitch,
94 int bltwidth, int bltheight)
98 unsigned bits, bits_xor;
104 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
106 col = s->cirrus_blt_bgcol;
109 col = s->cirrus_blt_fgcol;
112 for(y = 0; y < bltheight; y++) {
113 bitmask = 0x80 >> srcskipleft;
114 bits = *src++ ^ bits_xor;
116 for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
117 if ((bitmask & 0xff) == 0) {
119 bits = *src++ ^ bits_xor;
121 index = (bits & bitmask);
133 glue(glue(glue(cirrus_colorexpand_, ROP_NAME), _),DEPTH)
134 (CirrusVGAState * s, uint8_t * dst,
136 int dstpitch, int srcpitch,
137 int bltwidth, int bltheight)
147 colors[0] = s->cirrus_blt_bgcol;
148 colors[1] = s->cirrus_blt_fgcol;
149 for(y = 0; y < bltheight; y++) {
150 bitmask = 0x80 >> srcskipleft;
153 for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
154 if ((bitmask & 0xff) == 0) {
158 col = colors[!!(bits & bitmask)];
168 glue(glue(glue(cirrus_colorexpand_pattern_transp_, ROP_NAME), _),DEPTH)
169 (CirrusVGAState * s, uint8_t * dst,
171 int dstpitch, int srcpitch,
172 int bltwidth, int bltheight)
175 int x, y, bitpos, pattern_y;
176 unsigned int bits, bits_xor;
179 if (s->cirrus_blt_modeext & CIRRUS_BLTMODEEXT_COLOREXPINV) {
181 col = s->cirrus_blt_bgcol;
184 col = s->cirrus_blt_fgcol;
186 pattern_y = s->cirrus_blt_srcaddr & 7;
188 for(y = 0; y < bltheight; y++) {
189 bits = src[pattern_y] ^ bits_xor;
192 for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
193 if ((bits >> bitpos) & 1) {
197 bitpos = (bitpos - 1) & 7;
199 pattern_y = (pattern_y + 1) & 7;
205 glue(glue(glue(cirrus_colorexpand_pattern_, ROP_NAME), _),DEPTH)
206 (CirrusVGAState * s, uint8_t * dst,
208 int dstpitch, int srcpitch,
209 int bltwidth, int bltheight)
213 int x, y, bitpos, pattern_y;
217 colors[0] = s->cirrus_blt_bgcol;
218 colors[1] = s->cirrus_blt_fgcol;
219 pattern_y = s->cirrus_blt_srcaddr & 7;
221 for(y = 0; y < bltheight; y++) {
222 bits = src[pattern_y];
225 for (x = 0; x < bltwidth; x += (DEPTH / 8)) {
226 col = colors[(bits >> bitpos) & 1];
229 bitpos = (bitpos - 1) & 7;
231 pattern_y = (pattern_y + 1) & 7;
237 glue(glue(glue(cirrus_fill_, ROP_NAME), _),DEPTH)
239 uint8_t *dst, int dst_pitch,
240 int width, int height)
246 col = s->cirrus_blt_fgcol;
249 for(y = 0; y < height; y++) {
251 for(x = 0; x < width; x += (DEPTH / 8)) {