1 // SPDX-License-Identifier: MIT
3 #define PIGFX_RTG_BASE 0x70000000
4 #define PIGFX_REG_SIZE 0x00010000
5 #define PIGFX_RTG_SIZE 0x02000000
6 #define PIGFX_SCRATCH_SIZE 0x00800000
7 #define PIGFX_SCRATCH_AREA 0x72010000
8 #define PIGFX_UPPER 0x72810000
12 #include "rtg_driver_amiga/rtg_enums.h"
14 void rtg_write(uint32_t address, uint32_t value, uint8_t mode);
15 unsigned int rtg_read(uint32_t address, uint8_t mode);
16 void rtg_set_clut_entry(uint8_t index, uint32_t xrgb);
17 void rtg_init_display();
18 void rtg_shutdown_display();
20 unsigned int rtg_get_fb();
22 int init_rtg_data(struct emulator_config *cfg);
25 void rtg_fillrect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t color, uint16_t pitch, uint16_t format, uint8_t mask);
26 void rtg_fillrect_solid(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t color, uint16_t pitch, uint16_t format);
27 void rtg_invertrect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format, uint8_t mask);
28 void rtg_blitrect(uint16_t x, uint16_t y, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format, uint8_t mask);
29 void rtg_blitrect_solid(uint16_t x, uint16_t y, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t pitch, uint16_t format);
30 void rtg_blitrect_nomask_complete(uint16_t sx, uint16_t sy, uint16_t dx, uint16_t dy, uint16_t w, uint16_t h, uint16_t srcpitch, uint16_t dstpitch, uint32_t src_addr, uint32_t dst_addr, uint16_t format, uint8_t minterm);
31 void rtg_blittemplate(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t src_addr, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t t_pitch, uint16_t format, uint16_t offset_x, uint8_t mask, uint8_t draw_mode);
32 void rtg_blitpattern(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint32_t src_addr, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t format, uint16_t offset_x, uint16_t offset_y, uint8_t mask, uint8_t draw_mode, uint8_t loop_rows);
33 void rtg_drawline_solid(int16_t x1_, int16_t y1_, int16_t x2_, int16_t y2_, uint16_t len, uint32_t fgcol, uint16_t pitch, uint16_t format);
34 void rtg_drawline (int16_t x1_, int16_t y1_, int16_t x2_, int16_t y2_, uint16_t len, uint16_t pattern, uint16_t pattern_offset, uint32_t fgcol, uint32_t bgcol, uint16_t pitch, uint16_t format, uint8_t mask, uint8_t draw_mode);
36 void rtg_p2c (int16_t sx, int16_t sy, int16_t dx, int16_t dy, int16_t w, int16_t h, uint8_t draw_mode, uint8_t planes, uint8_t mask, uint8_t layer_mask, uint16_t src_line_pitch, uint8_t *bmp_data_src);
38 #define PATTERN_LOOPX \
40 cur_byte = (invert) ? sptr[tmpl_x] ^ 0xFF : sptr[tmpl_x]; \
42 #define PATTERN_LOOPY \
44 if ((ys + offset_y + 1) % loop_rows == 0) \
46 tmpl_x = (offset_x / 8) % 2; \
50 #define TEMPLATE_LOOPX \
52 cur_byte = (invert) ? sptr[tmpl_x] ^ 0xFF : sptr[tmpl_x]; \
54 #define TEMPLATE_LOOPY \
57 tmpl_x = offset_x / 8; \
60 #define INVERT_RTG_PIXELS(dest, format) \
63 if (cur_byte & 0x80) (dest)[0] ^= mask; \
64 if (cur_byte & 0x40) (dest)[1] ^= mask; \
65 if (cur_byte & 0x20) (dest)[2] ^= mask; \
66 if (cur_byte & 0x10) (dest)[3] ^= mask; \
67 if (cur_byte & 0x08) (dest)[4] ^= mask; \
68 if (cur_byte & 0x04) (dest)[5] ^= mask; \
69 if (cur_byte & 0x02) (dest)[6] ^= mask; \
70 if (cur_byte & 0x01) (dest)[7] ^= mask; \
73 if (cur_byte & 0x80) ((uint16_t *)dest)[0] = ~((uint16_t *)dest)[0]; \
74 if (cur_byte & 0x40) ((uint16_t *)dest)[1] = ~((uint16_t *)dest)[1]; \
75 if (cur_byte & 0x20) ((uint16_t *)dest)[2] = ~((uint16_t *)dest)[2]; \
76 if (cur_byte & 0x10) ((uint16_t *)dest)[3] = ~((uint16_t *)dest)[3]; \
77 if (cur_byte & 0x08) ((uint16_t *)dest)[4] = ~((uint16_t *)dest)[4]; \
78 if (cur_byte & 0x04) ((uint16_t *)dest)[5] = ~((uint16_t *)dest)[5]; \
79 if (cur_byte & 0x02) ((uint16_t *)dest)[6] = ~((uint16_t *)dest)[6]; \
80 if (cur_byte & 0x01) ((uint16_t *)dest)[7] = ~((uint16_t *)dest)[7]; \
83 if (cur_byte & 0x80) ((uint32_t *)dest)[0] = ~((uint32_t *)dest)[0]; \
84 if (cur_byte & 0x40) ((uint32_t *)dest)[1] = ~((uint32_t *)dest)[1]; \
85 if (cur_byte & 0x20) ((uint32_t *)dest)[2] = ~((uint32_t *)dest)[2]; \
86 if (cur_byte & 0x10) ((uint32_t *)dest)[3] = ~((uint32_t *)dest)[3]; \
87 if (cur_byte & 0x08) ((uint32_t *)dest)[4] = ~((uint32_t *)dest)[4]; \
88 if (cur_byte & 0x04) ((uint32_t *)dest)[5] = ~((uint32_t *)dest)[5]; \
89 if (cur_byte & 0x02) ((uint32_t *)dest)[6] = ~((uint32_t *)dest)[6]; \
90 if (cur_byte & 0x01) ((uint32_t *)dest)[7] = ~((uint32_t *)dest)[7]; \
94 #define SET_RTG_PIXELS_MASK(dest, src, format) \
95 if (cur_byte & 0x80) (dest)[0] = src ^ ((dest)[0] & ~mask); \
96 if (cur_byte & 0x40) (dest)[1] = src ^ ((dest)[1] & ~mask); \
97 if (cur_byte & 0x20) (dest)[2] = src ^ ((dest)[2] & ~mask); \
98 if (cur_byte & 0x10) (dest)[3] = src ^ ((dest)[3] & ~mask); \
99 if (cur_byte & 0x08) (dest)[4] = src ^ ((dest)[4] & ~mask); \
100 if (cur_byte & 0x04) (dest)[5] = src ^ ((dest)[5] & ~mask); \
101 if (cur_byte & 0x02) (dest)[6] = src ^ ((dest)[6] & ~mask); \
102 if (cur_byte & 0x01) (dest)[7] = src ^ ((dest)[7] & ~mask); \
104 #define SET_RTG_PIXELS2_COND_MASK(dest, src, src2, format) \
105 (dest)[0] = (cur_byte & 0x80) ? src : src2 ^ ((dest)[0] & ~mask); \
106 (dest)[1] = (cur_byte & 0x40) ? src : src2 ^ ((dest)[1] & ~mask); \
107 (dest)[2] = (cur_byte & 0x20) ? src : src2 ^ ((dest)[2] & ~mask); \
108 (dest)[3] = (cur_byte & 0x10) ? src : src2 ^ ((dest)[3] & ~mask); \
109 (dest)[4] = (cur_byte & 0x08) ? src : src2 ^ ((dest)[4] & ~mask); \
110 (dest)[5] = (cur_byte & 0x04) ? src : src2 ^ ((dest)[5] & ~mask); \
111 (dest)[6] = (cur_byte & 0x02) ? src : src2 ^ ((dest)[6] & ~mask); \
112 (dest)[7] = (cur_byte & 0x01) ? src : src2 ^ ((dest)[7] & ~mask); \
115 #define SET_RTG_PIXELS(dest, src, format) \
118 if (cur_byte & 0x80) (dest)[0] = src; \
119 if (cur_byte & 0x40) (dest)[1] = src; \
120 if (cur_byte & 0x20) (dest)[2] = src; \
121 if (cur_byte & 0x10) (dest)[3] = src; \
122 if (cur_byte & 0x08) (dest)[4] = src; \
123 if (cur_byte & 0x04) (dest)[5] = src; \
124 if (cur_byte & 0x02) (dest)[6] = src; \
125 if (cur_byte & 0x01) (dest)[7] = src; \
127 case RTGFMT_RBG565: \
128 if (cur_byte & 0x80) ((uint16_t *)dest)[0] = src; \
129 if (cur_byte & 0x40) ((uint16_t *)dest)[1] = src; \
130 if (cur_byte & 0x20) ((uint16_t *)dest)[2] = src; \
131 if (cur_byte & 0x10) ((uint16_t *)dest)[3] = src; \
132 if (cur_byte & 0x08) ((uint16_t *)dest)[4] = src; \
133 if (cur_byte & 0x04) ((uint16_t *)dest)[5] = src; \
134 if (cur_byte & 0x02) ((uint16_t *)dest)[6] = src; \
135 if (cur_byte & 0x01) ((uint16_t *)dest)[7] = src; \
138 if (cur_byte & 0x80) ((uint32_t *)dest)[0] = src; \
139 if (cur_byte & 0x40) ((uint32_t *)dest)[1] = src; \
140 if (cur_byte & 0x20) ((uint32_t *)dest)[2] = src; \
141 if (cur_byte & 0x10) ((uint32_t *)dest)[3] = src; \
142 if (cur_byte & 0x08) ((uint32_t *)dest)[4] = src; \
143 if (cur_byte & 0x04) ((uint32_t *)dest)[5] = src; \
144 if (cur_byte & 0x02) ((uint32_t *)dest)[6] = src; \
145 if (cur_byte & 0x01) ((uint32_t *)dest)[7] = src; \
149 #define SET_RTG_PIXELS2_COND(dest, src, src2, format) \
152 (dest)[0] = (cur_byte & 0x80) ? src : src2; \
153 (dest)[1] = (cur_byte & 0x40) ? src : src2; \
154 (dest)[2] = (cur_byte & 0x20) ? src : src2; \
155 (dest)[3] = (cur_byte & 0x10) ? src : src2; \
156 (dest)[4] = (cur_byte & 0x08) ? src : src2; \
157 (dest)[5] = (cur_byte & 0x04) ? src : src2; \
158 (dest)[6] = (cur_byte & 0x02) ? src : src2; \
159 (dest)[7] = (cur_byte & 0x01) ? src : src2; \
161 case RTGFMT_RBG565: \
162 ((uint16_t *)dest)[0] = (cur_byte & 0x80) ? src : src2; \
163 ((uint16_t *)dest)[1] = (cur_byte & 0x40) ? src : src2; \
164 ((uint16_t *)dest)[2] = (cur_byte & 0x20) ? src : src2; \
165 ((uint16_t *)dest)[3] = (cur_byte & 0x10) ? src : src2; \
166 ((uint16_t *)dest)[4] = (cur_byte & 0x08) ? src : src2; \
167 ((uint16_t *)dest)[5] = (cur_byte & 0x04) ? src : src2; \
168 ((uint16_t *)dest)[6] = (cur_byte & 0x02) ? src : src2; \
169 ((uint16_t *)dest)[7] = (cur_byte & 0x01) ? src : src2; \
172 ((uint32_t *)dest)[0] = (cur_byte & 0x80) ? src : src2; \
173 ((uint32_t *)dest)[1] = (cur_byte & 0x40) ? src : src2; \
174 ((uint32_t *)dest)[2] = (cur_byte & 0x20) ? src : src2; \
175 ((uint32_t *)dest)[3] = (cur_byte & 0x10) ? src : src2; \
176 ((uint32_t *)dest)[4] = (cur_byte & 0x08) ? src : src2; \
177 ((uint32_t *)dest)[5] = (cur_byte & 0x04) ? src : src2; \
178 ((uint32_t *)dest)[6] = (cur_byte & 0x02) ? src : src2; \
179 ((uint32_t *)dest)[7] = (cur_byte & 0x01) ? src : src2; \
185 #define SET_RTG_PIXEL(dest, src, format) \
190 case RTGFMT_RBG565: \
191 *((uint16_t *)dest) = src; \
194 *((uint32_t *)dest) = src; \
198 #define SET_RTG_PIXEL_MASK(dest, src, format) \
201 *(dest) = src ^ (*(dest) & ~mask); \
203 case RTGFMT_RBG565: \
204 *((uint16_t *)dest) = src; \
207 *((uint32_t *)dest) = src; \
211 #define INVERT_RTG_PIXEL(dest, format) \
216 case RTGFMT_RBG565: \
217 *((uint16_t *)dest) = ~*((uint16_t *)dest); \
220 *((uint32_t *)dest) = ~*((uint32_t *)dest); \
224 #define HANDLE_MINTERM_PIXEL(s, d, f) \
228 SET_RTG_PIXEL_MASK(&d, s, f); break; \
229 case MINTERM_ONLYDST: \
230 d = d & ~(s); break; \
231 case MINTERM_NOTSRC: \
232 SET_RTG_PIXEL_MASK(&d, s, f); break; \
233 case MINTERM_ONLYSRC: \
235 SET_RTG_PIXEL_MASK(&d, s, f); break; \
236 case MINTERM_INVERT: \
241 s = ~(d & ~(s)) & mask; \
242 SET_RTG_PIXEL_MASK(&d, s, f); break; \
245 SET_RTG_PIXEL_MASK(&d, s, f); break; \
247 d ^= (s & mask); break; \
248 case MINTERM_DST: /* This one does nothing. */ \
250 case MINTERM_NOTONLYSRC: \
251 d |= (s & mask); break; \
253 SET_RTG_PIXEL_MASK(&d, s, f); break; \
254 case MINTERM_NOTONLYDST: \
255 s = ~(d & s) & mask; \
256 SET_RTG_PIXEL_MASK(&d, s, f); break; \
258 d |= (s & mask); break; \
262 #define DECODE_PLANAR_PIXEL(a) \
264 case 8: if (layer_mask & 0x80 && bmp_data[(plane_size * 7) + cur_byte] & cur_bit) a |= 0x80; \
266 case 7: if (layer_mask & 0x40 && bmp_data[(plane_size * 6) + cur_byte] & cur_bit) a |= 0x40; \
268 case 6: if (layer_mask & 0x20 && bmp_data[(plane_size * 5) + cur_byte] & cur_bit) a |= 0x20; \
270 case 5: if (layer_mask & 0x10 && bmp_data[(plane_size * 4) + cur_byte] & cur_bit) a |= 0x10; \
272 case 4: if (layer_mask & 0x08 && bmp_data[(plane_size * 3) + cur_byte] & cur_bit) a |= 0x08; \
274 case 3: if (layer_mask & 0x04 && bmp_data[(plane_size * 2) + cur_byte] & cur_bit) a |= 0x04; \
276 case 2: if (layer_mask & 0x02 && bmp_data[plane_size + cur_byte] & cur_bit) a |= 0x02; \
278 case 1: if (layer_mask & 0x01 && bmp_data[cur_byte] & cur_bit) a |= 0x01; \
282 #define DECODE_INVERTED_PLANAR_PIXEL(a) \
284 case 8: if (layer_mask & 0x80 && (bmp_data[(plane_size * 7) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x80; \
286 case 7: if (layer_mask & 0x40 && (bmp_data[(plane_size * 6) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x40; \
288 case 6: if (layer_mask & 0x20 && (bmp_data[(plane_size * 5) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x20; \
290 case 5: if (layer_mask & 0x10 && (bmp_data[(plane_size * 4) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x10; \
292 case 4: if (layer_mask & 0x08 && (bmp_data[(plane_size * 3) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x08; \
294 case 3: if (layer_mask & 0x04 && (bmp_data[(plane_size * 2) + cur_byte] ^ 0xFF) & cur_bit) a |= 0x04; \
296 case 2: if (layer_mask & 0x02 && (bmp_data[plane_size + cur_byte] ^ 0xFF) & cur_bit) a |= 0x02; \
298 case 1: if (layer_mask & 0x01 && (bmp_data[cur_byte] ^ 0xFF) & cur_bit) a |= 0x01; \