| 1 | /* |
| 2 | * (C) GraÅžvydas "notaz" Ignotas, 2010 |
| 3 | * |
| 4 | * This work is licensed under the terms of the GNU LGPL, version 2.1 or later. |
| 5 | * See the COPYING file in the top-level directory. |
| 6 | */ |
| 7 | |
| 8 | #include <stdio.h> |
| 9 | #include <stdlib.h> |
| 10 | |
| 11 | #include "../SDL_sysvideo.h" |
| 12 | #include "../SDL_pixels_c.h" |
| 13 | #include "../../events/SDL_events_c.h" |
| 14 | |
| 15 | #include "linux/xenv.h" |
| 16 | #include "omapsdl.h" |
| 17 | |
| 18 | |
| 19 | static int omap_available(void) |
| 20 | { |
| 21 | trace(); |
| 22 | return 1; |
| 23 | } |
| 24 | |
| 25 | static void omap_free(SDL_VideoDevice *device) |
| 26 | { |
| 27 | trace(); |
| 28 | free(device); |
| 29 | } |
| 30 | |
| 31 | static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat) |
| 32 | { |
| 33 | const char *tmp; |
| 34 | int w, h, ret; |
| 35 | |
| 36 | trace(); |
| 37 | |
| 38 | // default to 16bpp |
| 39 | vformat->BitsPerPixel = 16; |
| 40 | |
| 41 | omapsdl_input_init(); |
| 42 | omapsdl_config(); |
| 43 | |
| 44 | tmp = getenv("SDL_OMAP_DEFAULT_MODE"); |
| 45 | if (tmp != NULL && sscanf(tmp, "%dx%d", &w, &h) == 2) { |
| 46 | this->info.current_w = w; |
| 47 | this->info.current_h = h; |
| 48 | } |
| 49 | else if (osdl_video_detect_screen(this->hidden) == 0) { |
| 50 | this->info.current_w = this->hidden->screen_w; |
| 51 | this->info.current_h = this->hidden->screen_h; |
| 52 | } |
| 53 | |
| 54 | this->handles_any_size = 1; |
| 55 | this->info.hw_available = 1; |
| 56 | |
| 57 | return 0; |
| 58 | } |
| 59 | |
| 60 | static void omap_VideoQuit(SDL_VideoDevice *this) |
| 61 | { |
| 62 | trace(); |
| 63 | |
| 64 | osdl_video_finish(this->hidden); |
| 65 | this->screen->pixels = NULL; |
| 66 | omapsdl_input_finish(); |
| 67 | } |
| 68 | |
| 69 | static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags) |
| 70 | { |
| 71 | static SDL_Rect omap_mode_max = { |
| 72 | /* with handles_any_size, should accept anything up to this |
| 73 | * XXX: possibly set this dynamically based on free vram? */ |
| 74 | 0, 0, 1600, 1200 |
| 75 | }; |
| 76 | /* broken API needs this stupidity */ |
| 77 | static SDL_Rect *omap_modes[] = { |
| 78 | &omap_mode_max, |
| 79 | NULL |
| 80 | }; |
| 81 | |
| 82 | trace(); |
| 83 | |
| 84 | if (format->BitsPerPixel <= 8) |
| 85 | // not (yet?) supported |
| 86 | return NULL; |
| 87 | |
| 88 | return omap_modes; |
| 89 | } |
| 90 | |
| 91 | static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width, |
| 92 | int height, int bpp, Uint32 flags) |
| 93 | { |
| 94 | SDL_PixelFormat *format; |
| 95 | |
| 96 | trace("%d, %d, %d, %08x", width, height, bpp, flags); |
| 97 | |
| 98 | switch (bpp) { |
| 99 | case 16: |
| 100 | format = SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0); |
| 101 | break; |
| 102 | case 24: |
| 103 | format = SDL_ReallocFormat(current, 24, 0xff0000, 0xff00, 0xff, 0); |
| 104 | break; |
| 105 | case 32: |
| 106 | format = SDL_ReallocFormat(current, 32, 0xff0000, 0xff00, 0xff, 0xff000000); |
| 107 | break; |
| 108 | default: |
| 109 | err("SetVideoMode: bpp %d not supported\n", bpp); |
| 110 | return NULL; |
| 111 | } |
| 112 | if (format == NULL) |
| 113 | return NULL; |
| 114 | |
| 115 | if (osdl_video_set_mode(this->hidden, width, height, bpp) < 0) |
| 116 | return NULL; |
| 117 | |
| 118 | current->flags = SDL_FULLSCREEN | SDL_DOUBLEBUF | SDL_HWSURFACE; |
| 119 | current->w = width; |
| 120 | current->h = height; |
| 121 | current->pitch = SDL_CalculatePitch(current); |
| 122 | |
| 123 | current->pixels = osdl_video_flip(this->hidden); |
| 124 | |
| 125 | return current; |
| 126 | } |
| 127 | |
| 128 | static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
| 129 | { |
| 130 | trace("%p", surface); |
| 131 | |
| 132 | return 0; |
| 133 | } |
| 134 | |
| 135 | static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
| 136 | { |
| 137 | trace("%p", surface); |
| 138 | } |
| 139 | |
| 140 | static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
| 141 | { |
| 142 | trace("%p", surface); |
| 143 | |
| 144 | surface->pixels = osdl_video_flip(this->hidden); |
| 145 | |
| 146 | return 0; |
| 147 | } |
| 148 | |
| 149 | /* we can't do hw surfaces (besides screen one) yet */ |
| 150 | static int omap_AllocHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
| 151 | { |
| 152 | trace("%p", surface); |
| 153 | return -1; |
| 154 | } |
| 155 | |
| 156 | static void omap_FreeHWSurface(SDL_VideoDevice *this, SDL_Surface *surface) |
| 157 | { |
| 158 | trace("%p", surface); |
| 159 | } |
| 160 | |
| 161 | static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors) |
| 162 | { |
| 163 | trace("%d, %d, %p", firstcolor, ncolors, colors); |
| 164 | return 0; |
| 165 | } |
| 166 | |
| 167 | static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects) |
| 168 | { |
| 169 | trace("%d, %p", nrects, rects); |
| 170 | |
| 171 | if (nrects != 1 || rects->x != 0 || rects->y != 0 || |
| 172 | rects->w != this->screen->w || rects->h != this->screen->h) { |
| 173 | static int warned = 0; |
| 174 | if (!warned) { |
| 175 | not_supported(); |
| 176 | warned = 1; |
| 177 | } |
| 178 | } |
| 179 | |
| 180 | this->screen->pixels = osdl_video_flip(this->hidden); |
| 181 | } |
| 182 | |
| 183 | static void omap_InitOSKeymap(SDL_VideoDevice *this) |
| 184 | { |
| 185 | trace(); |
| 186 | } |
| 187 | |
| 188 | static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed) |
| 189 | { |
| 190 | SDL_keysym keysym = { 0, }; |
| 191 | |
| 192 | keysym.sym = sdl_kc; |
| 193 | SDL_PrivateKeyboard(is_pressed, &keysym); |
| 194 | } |
| 195 | |
| 196 | static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure) |
| 197 | { |
| 198 | static int was_pressed; |
| 199 | |
| 200 | SDL_PrivateMouseMotion(0, 0, x, y); |
| 201 | |
| 202 | pressure = !!pressure; |
| 203 | if (pressure != was_pressed) { |
| 204 | SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0); |
| 205 | was_pressed = pressure; |
| 206 | } |
| 207 | } |
| 208 | |
| 209 | static void omap_PumpEvents(SDL_VideoDevice *this) |
| 210 | { |
| 211 | struct SDL_PrivateVideoData *pdata = this->hidden; |
| 212 | int dummy; |
| 213 | |
| 214 | trace(); |
| 215 | |
| 216 | omapsdl_input_get_events(0, key_event_cb, ts_event_cb, NULL); |
| 217 | |
| 218 | // XXX: we might want to process some X events too |
| 219 | if (pdata->xenv_up) |
| 220 | xenv_update(&dummy); |
| 221 | } |
| 222 | |
| 223 | static SDL_VideoDevice *omap_create(int devindex) |
| 224 | { |
| 225 | SDL_VideoDevice *this; |
| 226 | |
| 227 | this = calloc(1, sizeof(*this) + sizeof(*this->hidden)); |
| 228 | if (this == NULL) { |
| 229 | SDL_OutOfMemory(); |
| 230 | return 0; |
| 231 | } |
| 232 | this->hidden = (void *)(this + 1); |
| 233 | this->VideoInit = omap_VideoInit; |
| 234 | this->ListModes = omap_ListModes; |
| 235 | this->SetVideoMode = omap_SetVideoMode; |
| 236 | this->LockHWSurface = omap_LockHWSurface; |
| 237 | this->UnlockHWSurface = omap_UnlockHWSurface; |
| 238 | this->FlipHWSurface = omap_FlipHWSurface; |
| 239 | this->AllocHWSurface = omap_AllocHWSurface; |
| 240 | this->FreeHWSurface = omap_FreeHWSurface; |
| 241 | this->SetColors = omap_SetColors; |
| 242 | this->UpdateRects = omap_UpdateRects; |
| 243 | this->VideoQuit = omap_VideoQuit; |
| 244 | this->InitOSKeymap = omap_InitOSKeymap; |
| 245 | this->PumpEvents = omap_PumpEvents; |
| 246 | this->free = omap_free; |
| 247 | |
| 248 | return this; |
| 249 | } |
| 250 | |
| 251 | VideoBootStrap omapdss_bootstrap = { |
| 252 | "omapdss", "OMAP DSS2 Framebuffer Driver", |
| 253 | omap_available, omap_create |
| 254 | }; |
| 255 | |