git.mutantstargoat.com Git - bootcensus/blob - src/census/census.c

   1 #include <stdlib.h>
   2 #include <string.h>
   3 #include "census.h"
   4 #include "3dgfx.h"
   5 #include "panic.h"
   6
   7 void init_census(void *pixels, int xsz, int ysz)
   8 {
   9         fb_pixels = pixels;
  10         fb_width = xsz;
  11         fb_height = ysz;
  12
  13         g3d_init();
  14         g3d_framebuffer(xsz, ysz, fb_pixels);
  15         g3d_polygon_mode(G3D_FLAT);
  16         g3d_viewport(0, 0, xsz, ysz);
  17 }
  18
  19 void draw_census(void)
  20 {
  21         int i;
  22         memset(fb_pixels, 0, fb_width * fb_height * 4);
  23
  24         g3d_matrix_mode(G3D_MODELVIEW);
  25         g3d_load_identity();
  26
  27         g3d_enable(G3D_BLEND);
  28
  29         g3d_color4b(64, 128, 255, 255);
  30         for(i=0; i<2; i++) {
  31                 g3d_begin(G3D_QUADS);
  32                 g3d_vertex(-0.4, -0.5, 0);
  33                 g3d_vertex(0.6, -0.2, 0);
  34                 g3d_vertex(0, 0.8, 0);
  35                 g3d_vertex(-0.5, 0.6, 0);
  36                 g3d_end();
  37
  38                 g3d_translate(0.2, -0.2, 0);
  39                 g3d_color4b(255, 32, 255, 128);
  40         }
  41
  42         g3d_disable(G3D_BLEND);
  43 }