| 1 | /* |
| 2 | * (C) notaz, 2010 |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU GPLv2 or later. |
| 5 | * See the COPYING file in the top-level directory. |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <stdlib.h> |
| 10 | #include <string.h> |
| 11 | #include <stdarg.h> |
| 12 | #include <sys/time.h> |
| 13 | #include <sys/types.h> |
| 14 | #include <sys/stat.h> |
| 15 | #include <fcntl.h> |
| 16 | #include <unistd.h> |
| 17 | |
| 18 | #include "plugin_lib.h" |
| 19 | #include "linux/fbdev.h" |
| 20 | #include "common/fonts.h" |
| 21 | #include "common/input.h" |
| 22 | #include "omap.h" |
| 23 | #include "menu.h" |
| 24 | #include "pcnt.h" |
| 25 | #include "../libpcsxcore/new_dynarec/new_dynarec.h" |
| 26 | |
| 27 | void *pl_fbdev_buf; |
| 28 | int pl_frame_interval; |
| 29 | int keystate; |
| 30 | static int pl_fbdev_w, pl_fbdev_h, pl_fbdev_bpp; |
| 31 | static int flip_cnt, vsync_cnt, flips_per_sec, tick_per_sec; |
| 32 | static float vsps_cur; |
| 33 | |
| 34 | static int get_cpu_ticks(void) |
| 35 | { |
| 36 | static unsigned long last_utime; |
| 37 | static int fd; |
| 38 | unsigned long utime, ret; |
| 39 | char buf[128]; |
| 40 | |
| 41 | if (fd == 0) |
| 42 | fd = open("/proc/self/stat", O_RDONLY); |
| 43 | lseek(fd, 0, SEEK_SET); |
| 44 | buf[0] = 0; |
| 45 | read(fd, buf, sizeof(buf)); |
| 46 | buf[sizeof(buf) - 1] = 0; |
| 47 | |
| 48 | sscanf(buf, "%*d %*s %*c %*d %*d %*d %*d %*d %*u %*u %*u %*u %*u %lu", &utime); |
| 49 | ret = utime - last_utime; |
| 50 | last_utime = utime; |
| 51 | return ret; |
| 52 | } |
| 53 | |
| 54 | static void print_fps(void) |
| 55 | { |
| 56 | if (pl_fbdev_bpp == 16) |
| 57 | pl_text_out16(2, pl_fbdev_h - 10, "%2d %4.1f", flips_per_sec, vsps_cur); |
| 58 | } |
| 59 | |
| 60 | static void print_cpu_usage(void) |
| 61 | { |
| 62 | if (pl_fbdev_bpp == 16) |
| 63 | pl_text_out16(pl_fbdev_w - 28, pl_fbdev_h - 10, "%3d", tick_per_sec); |
| 64 | } |
| 65 | |
| 66 | void *pl_fbdev_set_mode(int w, int h, int bpp) |
| 67 | { |
| 68 | void *ret; |
| 69 | |
| 70 | if (w == pl_fbdev_w && h == pl_fbdev_h && bpp == pl_fbdev_bpp) |
| 71 | return pl_fbdev_buf; |
| 72 | |
| 73 | pl_fbdev_w = w; |
| 74 | pl_fbdev_h = h; |
| 75 | pl_fbdev_bpp = bpp; |
| 76 | |
| 77 | vout_fbdev_clear(layer_fb); |
| 78 | ret = vout_fbdev_resize(layer_fb, w, h, bpp, 0, 0, 0, 0, 3); |
| 79 | if (ret == NULL) |
| 80 | fprintf(stderr, "failed to set mode\n"); |
| 81 | else |
| 82 | pl_fbdev_buf = ret; |
| 83 | |
| 84 | menu_notify_mode_change(w, h, bpp); |
| 85 | |
| 86 | return pl_fbdev_buf; |
| 87 | } |
| 88 | |
| 89 | void *pl_fbdev_flip(void) |
| 90 | { |
| 91 | flip_cnt++; |
| 92 | |
| 93 | if (pl_fbdev_buf != NULL) { |
| 94 | if (g_opts & OPT_SHOWFPS) |
| 95 | print_fps(); |
| 96 | if (g_opts & OPT_SHOWCPU) |
| 97 | print_cpu_usage(); |
| 98 | } |
| 99 | |
| 100 | // let's flip now |
| 101 | pl_fbdev_buf = vout_fbdev_flip(layer_fb); |
| 102 | return pl_fbdev_buf; |
| 103 | } |
| 104 | |
| 105 | int pl_fbdev_open(void) |
| 106 | { |
| 107 | pl_fbdev_buf = vout_fbdev_flip(layer_fb); |
| 108 | omap_enable_layer(1); |
| 109 | return 0; |
| 110 | } |
| 111 | |
| 112 | void pl_fbdev_close(void) |
| 113 | { |
| 114 | omap_enable_layer(0); |
| 115 | } |
| 116 | |
| 117 | static void update_input(void) |
| 118 | { |
| 119 | int actions[IN_BINDTYPE_COUNT] = { 0, }; |
| 120 | |
| 121 | in_update(actions); |
| 122 | if (actions[IN_BINDTYPE_EMU] & PEV_MENU) |
| 123 | stop = 1; |
| 124 | keystate = actions[IN_BINDTYPE_PLAYER12]; |
| 125 | |
| 126 | #ifdef X11 |
| 127 | extern int x11_update_keys(void); |
| 128 | keystate |= x11_update_keys(); |
| 129 | #endif |
| 130 | } |
| 131 | |
| 132 | #define MAX_LAG_FRAMES 3 |
| 133 | |
| 134 | #define tvdiff(tv, tv_old) \ |
| 135 | ((tv.tv_sec - tv_old.tv_sec) * 1000000 + tv.tv_usec - tv_old.tv_usec) |
| 136 | // assumes us < 1000000 |
| 137 | #define tvadd(tv, us) { \ |
| 138 | tv.tv_usec += us; \ |
| 139 | if (tv.tv_usec >= 1000000) { \ |
| 140 | tv.tv_usec -= 1000000; \ |
| 141 | tv.tv_sec++; \ |
| 142 | } \ |
| 143 | } |
| 144 | |
| 145 | /* called on every vsync */ |
| 146 | void pl_frame_limit(void) |
| 147 | { |
| 148 | static struct timeval tv_old, tv_expect; |
| 149 | struct timeval now; |
| 150 | int diff; |
| 151 | |
| 152 | vsync_cnt++; |
| 153 | |
| 154 | /* doing input here because the pad is polled |
| 155 | * thousands of times per frame for some reason */ |
| 156 | update_input(); |
| 157 | |
| 158 | pcnt_end(PCNT_ALL); |
| 159 | gettimeofday(&now, 0); |
| 160 | |
| 161 | if (now.tv_sec != tv_old.tv_sec) { |
| 162 | diff = tvdiff(now, tv_old); |
| 163 | vsps_cur = 0.0f; |
| 164 | if (0 < diff && diff < 2000000) |
| 165 | vsps_cur = 1000000.0f * vsync_cnt / diff; |
| 166 | flips_per_sec = flip_cnt; |
| 167 | vsync_cnt = flip_cnt = 0; |
| 168 | tv_old = now; |
| 169 | if (g_opts & OPT_SHOWCPU) |
| 170 | tick_per_sec = get_cpu_ticks(); |
| 171 | } |
| 172 | #ifdef PCNT |
| 173 | static int ya_vsync_count; |
| 174 | if (++ya_vsync_count == PCNT_FRAMES) { |
| 175 | pcnt_print(vsps_cur); |
| 176 | ya_vsync_count = 0; |
| 177 | } |
| 178 | #endif |
| 179 | |
| 180 | if (!(g_opts & OPT_NO_FRAMELIM)) { |
| 181 | tvadd(tv_expect, pl_frame_interval); |
| 182 | diff = tvdiff(tv_expect, now); |
| 183 | if (diff > MAX_LAG_FRAMES * pl_frame_interval || diff < -MAX_LAG_FRAMES * pl_frame_interval) { |
| 184 | //printf("pl_frame_limit reset, diff=%d, iv %d\n", diff, pl_frame_interval); |
| 185 | tv_expect = now; |
| 186 | } |
| 187 | else if (diff > pl_frame_interval) { |
| 188 | // yay for working usleep on pandora! |
| 189 | //printf("usleep %d\n", diff - pl_frame_interval / 2); |
| 190 | usleep(diff - pl_frame_interval / 2); |
| 191 | } |
| 192 | } |
| 193 | |
| 194 | pcnt_start(PCNT_ALL); |
| 195 | } |
| 196 | |
| 197 | static void pl_text_out16_(int x, int y, const char *text) |
| 198 | { |
| 199 | int i, l, len = strlen(text), w = pl_fbdev_w; |
| 200 | unsigned short *screen = (unsigned short *)pl_fbdev_buf + x + y * w; |
| 201 | unsigned short val = 0xffff; |
| 202 | |
| 203 | for (i = 0; i < len; i++, screen += 8) |
| 204 | { |
| 205 | for (l = 0; l < 8; l++) |
| 206 | { |
| 207 | unsigned char fd = fontdata8x8[text[i] * 8 + l]; |
| 208 | unsigned short *s = screen + l * w; |
| 209 | if (fd&0x80) s[0] = val; |
| 210 | if (fd&0x40) s[1] = val; |
| 211 | if (fd&0x20) s[2] = val; |
| 212 | if (fd&0x10) s[3] = val; |
| 213 | if (fd&0x08) s[4] = val; |
| 214 | if (fd&0x04) s[5] = val; |
| 215 | if (fd&0x02) s[6] = val; |
| 216 | if (fd&0x01) s[7] = val; |
| 217 | } |
| 218 | } |
| 219 | } |
| 220 | |
| 221 | void pl_text_out16(int x, int y, const char *texto, ...) |
| 222 | { |
| 223 | va_list args; |
| 224 | char buffer[256]; |
| 225 | |
| 226 | va_start(args, texto); |
| 227 | vsnprintf(buffer, sizeof(buffer), texto, args); |
| 228 | va_end(args); |
| 229 | |
| 230 | pl_text_out16_(x, y, buffer); |
| 231 | } |
| 232 | |
| 233 | static void pl_get_layer_pos(int *x, int *y, int *w, int *h) |
| 234 | { |
| 235 | *x = g_layer_x; |
| 236 | *y = g_layer_y; |
| 237 | *w = g_layer_w; |
| 238 | *h = g_layer_h; |
| 239 | } |
| 240 | |
| 241 | extern int UseFrameSkip; // hmh |
| 242 | |
| 243 | const struct rearmed_cbs pl_rearmed_cbs = { |
| 244 | pl_get_layer_pos, |
| 245 | pl_fbdev_open, |
| 246 | pl_fbdev_set_mode, |
| 247 | pl_fbdev_flip, |
| 248 | pl_fbdev_close, |
| 249 | &UseFrameSkip, |
| 250 | }; |
| 251 | |