eleni.mutantstargoat.com Git - winnie/blob - src/sdl/gfx.cc

   1 #ifdef WINNIE_SDL
   2 #include <stdio.h>
   3 #include <stdlib.h>
   4 #include <SDL/SDL.h>
   5 #include "gfx.h"
   6
   7 static SDL_Surface *fbsurf;
   8
   9 static Rect screen_rect = {0, 0, 1024, 768};
  10 static Rect clipping_rect;
  11
  12 static int color_depth = 32; // bits per pixel
  13
  14 static Pixmap *pixmap;
  15
  16 bool init_gfx()
  17 {
  18         if(SDL_Init(SDL_INIT_VIDEO) == -1) {
  19                 fprintf(stderr, "failed to initialize SDL\n");
  20                 return false;
  21         }
  22
  23         if(!(fbsurf = SDL_SetVideoMode(screen_rect.width, screen_rect.height, color_depth, 0))) {
  24                 fprintf(stderr, "failed to set video mode\n");
  25                 return false;
  26         }
  27         SDL_ShowCursor(0);
  28
  29         pixmap = new Pixmap;
  30         pixmap->width = screen_rect.width;
  31         pixmap->height = screen_rect.height;
  32         pixmap->pixels = (unsigned char*)fbsurf->pixels;
  33
  34         set_clipping_rect(screen_rect);
  35
  36         return true;
  37 }
  38
  39 void destroy_gfx()
  40 {
  41         pixmap->pixels = 0;
  42         delete pixmap;
  43         SDL_Quit();
  44 }
  45
  46 unsigned char *get_framebuffer()
  47 {
  48         return (unsigned char*)fbsurf->pixels;
  49 }
  50
  51 Pixmap *get_framebuffer_pixmap()
  52 {
  53         return pixmap;
  54 }
  55
  56 Rect get_screen_size()
  57 {
  58         return screen_rect;
  59 }
  60
  61 int get_color_depth()
  62 {
  63         return color_depth;
  64 }
  65
  66 /*void set_clipping_rect(const Rect &rect)
  67 {
  68         clipping_rect = rect_intersection(rect, screen_rect);
  69
  70         SDL_Rect sdl_rect;
  71         sdl_rect.x = clipping_rect.x;
  72         sdl_rect.y = clipping_rect.y;
  73         sdl_rect.w = clipping_rect.width;
  74         sdl_rect.h = clipping_rect.height;
  75
  76         SDL_SetClipRect(fbsurf, &sdl_rect);
  77 }
  78
  79 const Rect &get_clipping_rect()
  80 {
  81         return clipping_rect;
  82 }
  83
  84 void clear_screen(int r, int g, int b)
  85 {
  86         fill_rect(screen_rect, r, g, b);
  87 }
  88
  89 void fill_rect(const Rect &rect, int r, int g, int b)
  90 {
  91         uint32_t color = ((r & 0xff) << 16) | ((g & 0xff) << 8) | (b & 0xff);
  92
  93         SDL_Rect sdl_rect;
  94         sdl_rect.x = rect.x;
  95         sdl_rect.y = rect.y;
  96         sdl_rect.w = rect.width;
  97         sdl_rect.h = rect.height;
  98
  99         SDL_FillRect(fbsurf, &sdl_rect, color);
 100 }*/
 101
 102 void set_cursor_visibility(bool visible)
 103 {
 104 }
 105
 106 void gfx_update()
 107 {
 108         SDL_UpdateRect(fbsurf, 0, 0, 0, 0);
 109 }
 110
 111 void wait_vsync()
 112 {
 113 }
 114
 115 #endif // WINNIE_SDL