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, 800, 480 },
  56                 { 0, 0, 720, 480 },
  57                 { 0, 0, 640, 480 },
  58                 { 0, 0, 640, 400 },
  59                 { 0, 0, 512, 384 },
  60                 { 0, 0, 320, 240 },
  61                 { 0, 0, 320, 200 },
  62         };
  63         // broken API needs this
  64         static SDL_Rect *omap_modes[] = {
  65                 &omap_mode_list[0],
  66                 &omap_mode_list[1],
  67                 &omap_mode_list[2],
  68                 &omap_mode_list[3],
  69                 &omap_mode_list[4],
  70                 &omap_mode_list[5],
  71                 &omap_mode_list[6],
  72                 NULL
  73         };
  74
  75         trace();
  76
  77         if (format->BitsPerPixel <= 8)
  78                 // not (yet?) supported
  79                 return NULL;
  80
  81         return omap_modes;
  82 }
  83
  84 static SDL_Surface *omap_SetVideoMode(SDL_VideoDevice *this, SDL_Surface *current, int width,
  85                                         int height, int bpp, Uint32 flags)
  86 {
  87         trace("%d, %d, %d, %08x", width, height, bpp, flags);
  88
  89         if (osdl_video_set_mode(this->hidden, width, height, bpp) < 0)
  90                 return NULL;
  91
  92         if (!SDL_ReallocFormat(current, 16, 0xf800, 0x07e0, 0x001f, 0))
  93                 return NULL;
  94
  95         current->flags = SDL_FULLSCREEN | SDL_DOUBLEBUF | SDL_HWSURFACE;
  96         current->w = width;
  97         current->h = height;
  98         current->pitch = SDL_CalculatePitch(current);
  99
 100         current->pixels = osdl_video_flip(this->hidden);
 101
 102         return current;
 103 }
 104
 105 static int omap_LockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 106 {
 107         trace("%p", surface);
 108
 109         return 0;
 110 }
 111
 112 static void omap_UnlockHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 113 {
 114         trace("%p", surface);
 115 }
 116
 117 static int omap_FlipHWSurface(SDL_VideoDevice *this, SDL_Surface *surface)
 118 {
 119         trace("%p", surface);
 120
 121         surface->pixels = osdl_video_flip(this->hidden);
 122
 123         return 0;
 124 }
 125
 126 static int omap_SetColors(SDL_VideoDevice *this, int firstcolor, int ncolors, SDL_Color *colors)
 127 {
 128         trace("%d, %d, %p", firstcolor, ncolors, colors);
 129         return 0;
 130 }
 131
 132 static void omap_UpdateRects(SDL_VideoDevice *this, int nrects, SDL_Rect *rects)
 133 {
 134         trace("%d, %p", nrects, rects);
 135
 136         if (nrects != 1 || rects->x != 0 || rects->y != 0 ||
 137                         rects->w != this->screen->w || rects->h != this->screen->h) {
 138                 static int warned = 0;
 139                 if (!warned) {
 140                         not_supported();
 141                         warned = 1;
 142                 }
 143         }
 144
 145         this->screen->pixels = osdl_video_flip(this->hidden);
 146 }
 147
 148 static void omap_InitOSKeymap(SDL_VideoDevice *this)
 149 {
 150         trace();
 151 }
 152
 153 static int key_event_cb(void *cb_arg, int sdl_kc, int is_pressed)
 154 {
 155         SDL_keysym keysym = { 0, };
 156
 157         keysym.sym = sdl_kc;
 158         SDL_PrivateKeyboard(is_pressed, &keysym);
 159 }
 160
 161 static int ts_event_cb(void *cb_arg, int x, int y, unsigned int pressure)
 162 {
 163         static int was_pressed;
 164
 165         SDL_PrivateMouseMotion(0, 0, x, y);
 166
 167         pressure = !!pressure;
 168         if (pressure != was_pressed) {
 169                 SDL_PrivateMouseButton(pressure ? SDL_PRESSED : SDL_RELEASED, 1, 0, 0);
 170                 was_pressed = pressure;
 171         }
 172 }
 173
 174 static void omap_PumpEvents(SDL_VideoDevice *this)
 175 {
 176         trace();
 177
 178         omapsdl_input_get_events(0, key_event_cb, ts_event_cb, NULL);
 179 }
 180
 181 static SDL_VideoDevice *omap_create(int devindex)
 182 {
 183         SDL_VideoDevice *this;
 184
 185         this = calloc(1, sizeof(*this) + sizeof(*this->hidden));
 186         if (this == NULL) {
 187                 SDL_OutOfMemory();
 188                 return 0;
 189         }
 190         this->hidden = (void *)(this + 1);
 191         this->VideoInit = omap_VideoInit;
 192         this->ListModes = omap_ListModes;
 193         this->SetVideoMode = omap_SetVideoMode;
 194         this->LockHWSurface = omap_LockHWSurface;
 195         this->UnlockHWSurface = omap_UnlockHWSurface;
 196         this->FlipHWSurface = omap_FlipHWSurface;
 197         this->SetColors = omap_SetColors;
 198         this->UpdateRects = omap_UpdateRects;
 199         this->VideoQuit = omap_VideoQuit;
 200         this->InitOSKeymap = omap_InitOSKeymap;
 201         this->PumpEvents = omap_PumpEvents;
 202         this->free = omap_free;
 203
 204         return this;
 205 }
 206
 207 VideoBootStrap omapdss_bootstrap = {
 208         "omapdss", "OMAP DSS2 Framebuffer Driver",
 209         omap_available, omap_create
 210 };
 211