| 1 | /* |
| 2 | * GINGE - GINGE Is Not Gp2x Emulator |
| 3 | * (C) notaz, 2010-2011 |
| 4 | * |
| 5 | * This work is licensed under the MAME license, see COPYING file for details. |
| 6 | */ |
| 7 | #include <string.h> |
| 8 | #ifdef LOADER |
| 9 | #include "../loader/realfuncs.h" |
| 10 | #endif |
| 11 | |
| 12 | #include "host_fb.h" |
| 13 | |
| 14 | static void *host_screen; |
| 15 | static int host_stride; |
| 16 | |
| 17 | #if defined(PND) |
| 18 | |
| 19 | #include "libpicofe/linux/fbdev.c" |
| 20 | |
| 21 | static struct vout_fbdev *fbdev; |
| 22 | static unsigned short host_pal[256]; |
| 23 | |
| 24 | void *host_video_flip(void) |
| 25 | { |
| 26 | host_screen = vout_fbdev_flip(fbdev); |
| 27 | return host_screen; |
| 28 | } |
| 29 | |
| 30 | int host_video_init(int *stride, int no_dblbuf) |
| 31 | { |
| 32 | const char *fbdev_name; |
| 33 | int w, h; |
| 34 | |
| 35 | fbdev_name = getenv("FBDEV"); |
| 36 | if (fbdev_name == NULL) |
| 37 | fbdev_name = "/dev/fb1"; |
| 38 | |
| 39 | w = h = 0; |
| 40 | fbdev = vout_fbdev_init(fbdev_name, &w, &h, 16, no_dblbuf ? 1 : 3); |
| 41 | if (fbdev == NULL) |
| 42 | return -1; |
| 43 | |
| 44 | host_stride = w * 2; |
| 45 | if (stride != 0) |
| 46 | *stride = host_stride; |
| 47 | host_video_flip(); |
| 48 | |
| 49 | return 0; |
| 50 | } |
| 51 | |
| 52 | void host_video_finish(void) |
| 53 | { |
| 54 | vout_fbdev_finish(fbdev); |
| 55 | fbdev = NULL; |
| 56 | } |
| 57 | |
| 58 | void host_video_update_pal16(unsigned short *pal) |
| 59 | { |
| 60 | memcpy(host_pal, pal, sizeof(host_pal)); |
| 61 | } |
| 62 | |
| 63 | void host_video_update_pal32(unsigned int *pal) |
| 64 | { |
| 65 | unsigned short *dstp = host_pal; |
| 66 | int i; |
| 67 | |
| 68 | for (i = 0; i < 256; i++, pal++, dstp++) { |
| 69 | unsigned int t = *pal; |
| 70 | *dstp = ((t >> 8) & 0xf800) | ((t >> 5) & 0x07e0) | ((t >> 3) & 0x001f); |
| 71 | } |
| 72 | } |
| 73 | |
| 74 | void host_video_change_bpp(int bpp) |
| 75 | { |
| 76 | } |
| 77 | |
| 78 | void host_video_blit4(const unsigned char *src, int w, int h, int stride) |
| 79 | { |
| 80 | unsigned short *dst = host_screen; |
| 81 | unsigned short *hpal = host_pal; |
| 82 | int i, u; |
| 83 | |
| 84 | for (i = 0; i < 240; i++, dst += host_stride / 2, src += stride) { |
| 85 | for (u = 0; i < w / 2; u++) { |
| 86 | dst[u*2 + 0] = hpal[src[u] >> 4]; |
| 87 | dst[u*2 + 1] = hpal[src[u] & 0x0f]; |
| 88 | } |
| 89 | } |
| 90 | |
| 91 | host_video_flip(); |
| 92 | } |
| 93 | |
| 94 | void host_video_blit8(const unsigned char *src, int w, int h, int stride) |
| 95 | { |
| 96 | unsigned short *dst = host_screen; |
| 97 | unsigned short *hpal = host_pal; |
| 98 | int i, u; |
| 99 | |
| 100 | for (i = 0; i < 240; i++, dst += host_stride / 2, src += stride) { |
| 101 | for (u = 0; u < w; u += 4) { |
| 102 | dst[u + 0] = hpal[src[u + 0]]; |
| 103 | dst[u + 1] = hpal[src[u + 1]]; |
| 104 | dst[u + 2] = hpal[src[u + 2]]; |
| 105 | dst[u + 3] = hpal[src[u + 3]]; |
| 106 | } |
| 107 | } |
| 108 | |
| 109 | host_video_flip(); |
| 110 | } |
| 111 | |
| 112 | void host_video_blit16(const unsigned short *src, int w, int h, int stride) |
| 113 | { |
| 114 | unsigned short *dst = host_screen; |
| 115 | int i; |
| 116 | |
| 117 | for (i = 0; i < 240; i++, dst += host_stride / 2, src += stride / 2) |
| 118 | memcpy(dst, src, w*2); |
| 119 | |
| 120 | host_video_flip(); |
| 121 | } |
| 122 | |
| 123 | #elif defined(WIZ) |
| 124 | |
| 125 | #include "warm/warm.c" |
| 126 | #include "wiz_video.c" |
| 127 | |
| 128 | void *host_video_flip(void) |
| 129 | { |
| 130 | vout_gp2x_flip(); |
| 131 | host_screen = g_screen_ptr; |
| 132 | return host_screen; |
| 133 | } |
| 134 | |
| 135 | int host_video_init(int *stride, int no_dblbuf) |
| 136 | { |
| 137 | int ret; |
| 138 | |
| 139 | host_stride = 320 * 2; |
| 140 | if (stride != 0) |
| 141 | *stride = host_stride; |
| 142 | |
| 143 | ret = vout_gp2x_init(no_dblbuf); |
| 144 | if (ret != 0) |
| 145 | return ret; |
| 146 | |
| 147 | vout_gp2x_set_mode(16, !no_dblbuf); |
| 148 | host_video_flip(); |
| 149 | return 0; |
| 150 | } |
| 151 | |
| 152 | void host_video_finish(void) |
| 153 | { |
| 154 | vout_gp2x_finish(); |
| 155 | } |
| 156 | |
| 157 | void host_video_update_pal16(unsigned short *pal) |
| 158 | { |
| 159 | vout_gp2x_set_palette16(pal, 256); |
| 160 | } |
| 161 | |
| 162 | void host_video_update_pal32(unsigned int *pal) |
| 163 | { |
| 164 | vout_gp2x_set_palette32(pal, 256); |
| 165 | } |
| 166 | |
| 167 | void host_video_change_bpp(int bpp) |
| 168 | { |
| 169 | vout_gp2x_set_mode(bpp, 1); |
| 170 | } |
| 171 | |
| 172 | #ifdef LOADER |
| 173 | void host_video_blit4(const unsigned char *src, int w, int h, int stride) |
| 174 | { |
| 175 | memcpy(host_screen, src, 320*240/2); // FIXME |
| 176 | host_video_flip(); |
| 177 | } |
| 178 | |
| 179 | void host_video_blit8(const unsigned char *src, int w, int h, int stride) |
| 180 | { |
| 181 | if (probably_caanoo) { |
| 182 | unsigned char *dst = host_screen; |
| 183 | int i; |
| 184 | for (i = 0; i < 240; i++, dst += 320, src += stride) |
| 185 | memcpy(dst, src, w); |
| 186 | } |
| 187 | else { |
| 188 | extern void rotated_blit8(void *dst, const void *linesx4); |
| 189 | rotated_blit8(host_screen, src); |
| 190 | } |
| 191 | |
| 192 | host_video_flip(); |
| 193 | } |
| 194 | |
| 195 | void host_video_blit16(const unsigned short *src, int w, int h, int stride) |
| 196 | { |
| 197 | if (probably_caanoo) { |
| 198 | unsigned short *dst = host_screen; |
| 199 | int i; |
| 200 | for (i = 0; i < 240; i++, dst += 320, src += stride / 2) |
| 201 | memcpy(dst, src, w*2); |
| 202 | } |
| 203 | else { |
| 204 | extern void rotated_blit16(void *dst, const void *linesx4); |
| 205 | rotated_blit16(host_screen, src); |
| 206 | } |
| 207 | |
| 208 | host_video_flip(); |
| 209 | } |
| 210 | #endif // LOADER |
| 211 | |
| 212 | #endif // WIZ |
| 213 | |
| 214 | // vim:shiftwidth=2:expandtab |