| 1 | #include <stdio.h> |
| 2 | #include <stdlib.h> |
| 3 | #include <string.h> |
| 4 | #include <stdarg.h> |
| 5 | |
| 6 | #include "plat_gp2x.h" |
| 7 | #include "soc.h" |
| 8 | #include "warm.h" |
| 9 | #include "../common/plat.h" |
| 10 | #include "../common/readpng.h" |
| 11 | #include "../common/menu.h" |
| 12 | #include "../common/emu.h" |
| 13 | #include "../linux/sndout_oss.h" |
| 14 | |
| 15 | #include <pico/pico.h> |
| 16 | |
| 17 | /* GP2X local */ |
| 18 | int default_cpu_clock; |
| 19 | void *gp2x_screens[4]; |
| 20 | |
| 21 | void gp2x_video_changemode(int bpp) |
| 22 | { |
| 23 | gp2x_video_changemode_ll(bpp); |
| 24 | |
| 25 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
| 26 | gp2x_video_flip(); |
| 27 | } |
| 28 | |
| 29 | static void gp2x_memcpy_buffers(int buffers, void *data, int offset, int len) |
| 30 | { |
| 31 | char *dst; |
| 32 | if (buffers & (1<<0)) { dst = (char *)gp2x_screens[0] + offset; if (dst != data) memcpy(dst, data, len); } |
| 33 | if (buffers & (1<<1)) { dst = (char *)gp2x_screens[1] + offset; if (dst != data) memcpy(dst, data, len); } |
| 34 | if (buffers & (1<<2)) { dst = (char *)gp2x_screens[2] + offset; if (dst != data) memcpy(dst, data, len); } |
| 35 | if (buffers & (1<<3)) { dst = (char *)gp2x_screens[3] + offset; if (dst != data) memcpy(dst, data, len); } |
| 36 | } |
| 37 | |
| 38 | void gp2x_memcpy_all_buffers(void *data, int offset, int len) |
| 39 | { |
| 40 | gp2x_memcpy_buffers(0xf, data, offset, len); |
| 41 | } |
| 42 | |
| 43 | void gp2x_memset_all_buffers(int offset, int byte, int len) |
| 44 | { |
| 45 | memset((char *)gp2x_screens[0] + offset, byte, len); |
| 46 | memset((char *)gp2x_screens[1] + offset, byte, len); |
| 47 | memset((char *)gp2x_screens[2] + offset, byte, len); |
| 48 | memset((char *)gp2x_screens[3] + offset, byte, len); |
| 49 | } |
| 50 | |
| 51 | void gp2x_make_fb_bufferable(int yes) |
| 52 | { |
| 53 | int ret = 0; |
| 54 | |
| 55 | yes = yes ? 1 : 0; |
| 56 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[0], 320*240*2); |
| 57 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[1], 320*240*2); |
| 58 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[2], 320*240*2); |
| 59 | ret |= warm_change_cb_range(WCB_B_BIT, yes, gp2x_screens[3], 320*240*2); |
| 60 | |
| 61 | if (ret) |
| 62 | fprintf(stderr, "could not make fb buferable.\n"); |
| 63 | else |
| 64 | printf("made fb buferable.\n"); |
| 65 | } |
| 66 | |
| 67 | /* common */ |
| 68 | char cpu_clk_name[16] = "GP2X CPU clocks"; |
| 69 | |
| 70 | void plat_video_menu_enter(int is_rom_loaded) |
| 71 | { |
| 72 | if (is_rom_loaded) |
| 73 | { |
| 74 | // darken the active framebuffer |
| 75 | memset(g_screen_ptr, 0, 320*8*2); |
| 76 | menu_darken_bg((char *)g_screen_ptr + 320*8*2, 320*224, 1); |
| 77 | memset((char *)g_screen_ptr + 320*232*2, 0, 320*8*2); |
| 78 | } |
| 79 | else |
| 80 | { |
| 81 | char buff[256]; |
| 82 | |
| 83 | // should really only happen once, on startup.. |
| 84 | emu_make_path(buff, "skin/background.png", sizeof(buff)); |
| 85 | if (readpng(g_screen_ptr, buff, READPNG_BG) < 0) |
| 86 | memset(g_screen_ptr, 0, 320*240*2); |
| 87 | } |
| 88 | |
| 89 | // copy to buffer2, switch to black |
| 90 | gp2x_memcpy_buffers((1<<2), g_screen_ptr, 0, 320*240*2); |
| 91 | |
| 92 | /* try to switch nicely avoiding tearing on Wiz */ |
| 93 | gp2x_video_wait_vsync(); |
| 94 | memset(gp2x_screens[0], 0, 320*240*2); |
| 95 | memset(gp2x_screens[1], 0, 320*240*2); |
| 96 | gp2x_video_flip2(); |
| 97 | gp2x_video_wait_vsync(); |
| 98 | gp2x_video_wait_vsync(); |
| 99 | |
| 100 | // switch to 16bpp |
| 101 | gp2x_video_changemode_ll(16); |
| 102 | gp2x_video_RGB_setscaling(0, 320, 240); |
| 103 | } |
| 104 | |
| 105 | void plat_video_menu_begin(void) |
| 106 | { |
| 107 | memcpy(g_screen_ptr, gp2x_screens[2], 320*240*2); |
| 108 | } |
| 109 | |
| 110 | void plat_video_menu_end(void) |
| 111 | { |
| 112 | // FIXME |
| 113 | // gp2x_video_flush_cache(); |
| 114 | gp2x_video_flip2(); |
| 115 | } |
| 116 | |
| 117 | void plat_validate_config(void) |
| 118 | { |
| 119 | gp2x_soc_t soc; |
| 120 | |
| 121 | soc = soc_detect(); |
| 122 | if (soc != SOCID_MMSP2) |
| 123 | PicoOpt &= ~POPT_EXT_FM; |
| 124 | if (soc != SOCID_POLLUX) |
| 125 | currentConfig.EmuOpt &= ~EOPT_WIZ_TEAR_FIX; |
| 126 | |
| 127 | if (currentConfig.gamma < 10 || currentConfig.gamma > 300) |
| 128 | currentConfig.gamma = 100; |
| 129 | |
| 130 | if (currentConfig.CPUclock < 10 || currentConfig.CPUclock > 1024) |
| 131 | currentConfig.CPUclock = default_cpu_clock; |
| 132 | } |
| 133 | |
| 134 | void plat_early_init(void) |
| 135 | { |
| 136 | gp2x_soc_t soc; |
| 137 | |
| 138 | soc = soc_detect(); |
| 139 | switch (soc) |
| 140 | { |
| 141 | case SOCID_MMSP2: |
| 142 | default_cpu_clock = 200; |
| 143 | break; |
| 144 | case SOCID_POLLUX: |
| 145 | strcpy(cpu_clk_name, "Wiz CPU clock"); |
| 146 | default_cpu_clock = 533; |
| 147 | break; |
| 148 | default: |
| 149 | fprintf(stderr, "could not recognize SoC, bailing out.\n"); |
| 150 | exit(1); |
| 151 | } |
| 152 | } |
| 153 | |
| 154 | void plat_init(void) |
| 155 | { |
| 156 | gp2x_soc_t soc; |
| 157 | |
| 158 | soc = soc_detect(); |
| 159 | switch (soc) |
| 160 | { |
| 161 | case SOCID_MMSP2: |
| 162 | mmsp2_init(); |
| 163 | break; |
| 164 | case SOCID_POLLUX: |
| 165 | pollux_init(); |
| 166 | menu_plat_setup(1); |
| 167 | break; |
| 168 | default: |
| 169 | break; |
| 170 | } |
| 171 | |
| 172 | warm_init(); |
| 173 | |
| 174 | gp2x_memset_all_buffers(0, 0, 320*240*2); |
| 175 | |
| 176 | // snd |
| 177 | sndout_oss_init(); |
| 178 | } |
| 179 | |
| 180 | void plat_finish(void) |
| 181 | { |
| 182 | gp2x_soc_t soc; |
| 183 | |
| 184 | warm_finish(); |
| 185 | |
| 186 | soc = soc_detect(); |
| 187 | switch (soc) |
| 188 | { |
| 189 | case SOCID_MMSP2: |
| 190 | mmsp2_finish(); |
| 191 | break; |
| 192 | case SOCID_POLLUX: |
| 193 | pollux_finish(); |
| 194 | break; |
| 195 | } |
| 196 | |
| 197 | sndout_oss_exit(); |
| 198 | } |
| 199 | |
| 200 | void lprintf(const char *fmt, ...) |
| 201 | { |
| 202 | va_list vl; |
| 203 | |
| 204 | va_start(vl, fmt); |
| 205 | vprintf(fmt, vl); |
| 206 | va_end(vl); |
| 207 | } |
| 208 | |