src/video/omapdss/sdlif.c

   1 /*
   2  * (C) Gražvydas "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 <stdlib.h>
   9
  10 #include "../SDL_sysvideo.h"
  11 #include "../SDL_pixels_c.h"
  12 #include "../../events/SDL_events_c.h"
  13 #include "omapsdl.h"
  14
  15
  16 static int omap_available(void)
  17 {
  18         trace();
  19         return 1;
  20 }
  21
  22 static void omap_free(SDL_VideoDevice *device)
  23 {
  24         trace();
  25         free(device);
  26 }
  27
  28 static int omap_VideoInit(SDL_VideoDevice *this, SDL_PixelFormat *vformat)
  29 {
  30         trace();
  31
  32         // default to 16bpp
  33         vformat->BitsPerPixel = 16;
  34
  35         omapsdl_input_init();
  36         omapsdl_config();
  37
  38         return 0;
  39 }
  40
  41 static void omap_VideoQuit(SDL_VideoDevice *this)
  42 {
  43         trace();
  44
  45         osdl_video_finish(this->hidden);
  46         this->screen->pixels = NULL;
  47         omapsdl_input_finish();
  48 }
  49
  50 static SDL_Rect **omap_ListModes(SDL_VideoDevice *this, SDL_PixelFormat *format, Uint32 flags)
  51 {
  52         static SDL_Rect omap_mode_list[] = {
  53                 // XXX: we are not really restricted to fixed modes
  54                 // FIXME: should really check the display for max supported
  55                 { 0, 0, 1600, 1200 },
  56                 { 0, 0, 1408, 1056 },
  57                 { 0, 0, 1280, 1024 },
  58                 { 0, 0, 1152,  864 },
  59                 { 0, 0, 1024,  768 },
  60                 { 0, 0,  960,  720 },
  61                 { 0, 0,  800,  600 },
  62                 { 0, 0,  768,  576 },
  63                 { 0, 0,  720,  576 },
  64                 { 0, 0,  800,  480 },
  65                 { 0, 0,  720,  480 },
  66                 { 0, 0,  640,  480 },
  67                 { 0, 0,  640,  400 },
  68                 { 0, 0,  512,  384 },
  69                 { 0, 0,  320,  240 },
  70                 { 0, 0,  320,  200 },
  71         };
  72         // broken API needs this
  73         static SDL_Rect *omap_modes[] = {
  74                 &omap_mode_list[0],
  75                 &omap_mode_list[1],
  76                 &omap_mode_list[2],
  77                 &omap_mode_list[3],
  78                 &omap_mode_list[4],
  79                 &omap_mode_list[5],
  80                 &omap_mode_list[6],
  81                 NULL
  82         };
  83
  84         trace();
  85
  86         if (format->BitsPerPixel <= 8)
  87                 // not (yet?) supported
  88                 return NULL;
  89
  90         return omap_modes;
  91 }
  92
  93 static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width,
  94                                         int height, int bpp, Uint32 flags)
  95 {
  96         trace("%d, %d, %d, %08x", width, height, bpp, flags);
  97
  98         if (osdl_video_set_mode(this->hidden, width, height, bpp) < 0)
  99                 return NULL;
 100
 101         if (!SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0))
 102                 return NULL;
 103
 104         current->flags = SDL_FULLSCREEN | SDL_DOUBLEBUF | SDL_HWSURFACE;
 105         current->w = width;
 106         current->h = height;
 107         current->pitch = SDL_CalculatePitch(current);
 108
 109         current->pixels = osdl_video_flip(this->hidden);
 110
 111         return current;
 112 }
 113
 114 static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 115 {
 116         trace("%p", surface);
 117
 118         return 0;
 119 }
 120
 121 static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 122 {
 123         trace("%p", surface);
 124 }
 125
 126 static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 127 {
 128         trace("%p", surface);
 129
 130         surface->pixels = osdl_video_flip(this->hidden);
 131
 132         return 0;
 133 }
 134
 135 /* we can't do hw surfaces (besides screen one) yet */
 136 static int omap_AllocHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 137 {
 138         trace("%p", surface);
 139         return -1;
 140 }
 141
 142 static void omap_FreeHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 143 {
 144         trace("%p", surface);
 145 }
 146
 147 static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors)
 148 {
 149         trace("%d, %d, %p", firstcolor, ncolors, colors);
 150         return 0;
 151 }
 152
 153 static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects)
 154 {
 155         trace("%d, %p", nrects, rects);
 156
 157         if (nrects != 1 || rects->x != 0 || rects->y != 0 ||
 158                         rects->w != this->screen->w || rects->h != this->screen->h) {
 159                 static int warned = 0;
 160                 if (!warned) {
 161                         not_supported();
 162                         warned = 1;
 163                 }
 164         }
 165
 166         this->screen->pixels = osdl_video_flip(this->hidden);
 167 }
 168
 169 static void omap_InitOSKeymap(SDL_VideoDevice *this)
 170 {
 171         trace();
 172 }
 173
 174 static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed)
 175 {
 176         SDL_keysym keysym = { 0, };
 177
 178         keysym.sym = sdl_kc;
 179         SDL_PrivateKeyboard(is_pressed, &keysym);
 180 }
 181
 182 static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure)
 183 {
 184         static int was_pressed;
 185
 186         SDL_PrivateMouseMotion(0, 0, x, y);
 187
 188         pressure = !!pressure;
 189         if (pressure != was_pressed) {
 190                 SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0);
 191                 was_pressed = pressure;
 192         }
 193 }
 194
 195 static void omap_PumpEvents(SDL_VideoDevice *this)
 196 {
 197         trace();
 198
 199         omapsdl_input_get_events(0, key_event_cb, ts_event_cb, NULL);
 200 }
 201
 202 static SDL_VideoDevice *omap_create(int devindex)
 203 {
 204         SDL_VideoDevice *this;
 205
 206         this = calloc(1, sizeof(*this) + sizeof(*this->hidden));
 207         if (this == NULL) {
 208                 SDL_OutOfMemory();
 209                 return 0;
 210         }
 211         this->hidden = (void *)(this + 1);
 212         this->VideoInit = omap_VideoInit;
 213         this->ListModes = omap_ListModes;
 214         this->SetVideoMode = omap_SetVideoMode;
 215         this->LockHWSurface = omap_LockHWSurface;
 216         this->UnlockHWSurface = omap_UnlockHWSurface;
 217         this->FlipHWSurface = omap_FlipHWSurface;
 218         this->AllocHWSurface = omap_AllocHWSurface;
 219         this->FreeHWSurface = omap_FreeHWSurface;
 220         this->SetColors = omap_SetColors;
 221         this->UpdateRects = omap_UpdateRects;
 222         this->VideoQuit = omap_VideoQuit;
 223         this->InitOSKeymap = omap_InitOSKeymap;
 224         this->PumpEvents = omap_PumpEvents;
 225         this->free = omap_free;
 226
 227         return this;
 228 }
 229
 230 VideoBootStrap omapdss_bootstrap = {
 231         "omapdss", "OMAP DSS2 Framebuffer Driver",
 232         omap_available, omap_create
 233 };
 234