raspberrypi/rpi.c

   1 /* gameplaySP - raspberry backend
   2  *
   3  * Copyright (C) 2013 DPR <pribyl.email@gmail.com>
   4  *
   5  * This program is free software; you can redistribute it and/or
   6  * modify it under the terms of the GNU General Public License as
   7  * published by the Free Software Foundation; either version 2 of
   8  * the License, or (at your option) any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  13  * General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
  18  */
  19
  20 #include "../common.h"
  21 #include <sys/types.h>
  22 #include <sys/stat.h>
  23 #include "gles_video.h"
  24 #include "rpi.h"
  25 #include "bcm_host.h"
  26
  27 u32 gamepad_config_map[PLAT_BUTTON_COUNT] =
  28 {
  29   BUTTON_ID_UP,                 // Up
  30   BUTTON_ID_LEFT,               // Left
  31   BUTTON_ID_DOWN,               // Down
  32   BUTTON_ID_RIGHT,              // Right
  33   BUTTON_ID_START,              // Start
  34   BUTTON_ID_SELECT,             // Select
  35   BUTTON_ID_L,                  // Ltrigger
  36   BUTTON_ID_R,                  // Rtrigger
  37   BUTTON_ID_FPS,                // A
  38   BUTTON_ID_A,                  // B
  39   BUTTON_ID_B,                  // X
  40   BUTTON_ID_MENU,               // Y
  41   BUTTON_ID_SAVESTATE,          // 1
  42   BUTTON_ID_LOADSTATE,          // 2
  43   BUTTON_ID_FASTFORWARD,        // 3
  44   BUTTON_ID_NONE,               // 4
  45   BUTTON_ID_MENU                // Space
  46 };
  47
  48
  49 #define MAX_VIDEO_MEM (480*270*2)
  50 static int video_started=0;
  51 static uint16_t * video_buff;
  52
  53
  54 void gpsp_plat_init(void)
  55 {
  56   int ret, w, h, fd;
  57   //const char *layer_fb_name;
  58   SDL_Surface* myVideoSurface;
  59
  60   bcm_host_init();
  61
  62   ret = SDL_Init(SDL_INIT_VIDEO | SDL_INIT_AUDIO | SDL_INIT_JOYSTICK | SDL_INIT_NOPARACHUTE);
  63   if (ret != 0) {
  64     fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
  65     exit(1);
  66   }
  67
  68   myVideoSurface = SDL_SetVideoMode( 0, 0, 16,  SDL_SWSURFACE);
  69     // Print out some information about the video surface
  70     if (myVideoSurface == NULL) {
  71         fprintf(stderr, "SDL_Init failed: %s\n", SDL_GetError());
  72         exit(1);
  73     }
  74   SDL_ShowCursor(0);
  75   fb_set_mode(240, 160, 0, 0, 0, 0);
  76   screen_scale = 3;
  77 }
  78
  79 void gpsp_plat_quit(void)
  80 {
  81     if (video_started) {
  82         video_close();
  83         free(video_buff);
  84        video_started=0;
  85     }
  86   SDL_Quit();
  87 }
  88
  89
  90 void *fb_flip_screen(void)
  91 {
  92   video_draw(video_buff);
  93   return video_buff;
  94 }
  95
  96 void fb_wait_vsync(void)
  97 {
  98 }
  99
 100 void fb_set_mode(int w, int h, int buffers, int scale,int filter, int filter2)
 101 {
 102     if (video_started) {
 103         video_close();
 104         free(video_buff);
 105     }
 106     video_buff=malloc(w*h*sizeof(uint16_t));
 107     memset(video_buff,0,w*h*sizeof(uint16_t));
 108     video_init(w,h,filter);
 109     video_started=1;
 110 }
 111 // vim:shiftwidth=2:expandtab