eleni.mutantstargoat.com Git - demo/blob - src/morph_renderer.cc

   1 #include "global.h"
   2 #include "gfxapi.h"
   3
   4 #include "morph_renderer.h"
   5 #include "object.h"
   6 #include "scene.h"
   7 #include "shader.h"
   8 #include "shader_manager.h"
   9 #include "texture.h"
  10 #include "uniforms.h"
  11
  12 #define MVU 5
  13
  14 MorphRenderer::MorphRenderer()
  15 {
  16         scene = 0;
  17         camera = 0;
  18         sprog = 0;
  19
  20         /* we won't use them */
  21         skytex = 0;
  22         dskytex = 0;
  23
  24         fog_density = 0;
  25
  26         mbuf = vbuf = fbuf = svbuf = 0;
  27 }
  28
  29 MorphRenderer::~MorphRenderer()
  30 {
  31         delete mbuf;
  32 }
  33
  34 bool MorphRenderer::create()
  35 {
  36         if(!(sprog = sdr_man->create_shader_program("morphing.v.glsl", "morphing.f.glsl"))) {
  37                 return false;
  38         }
  39
  40         mbuf = gfx_create_uniform_buffer();
  41         if(!mbuf->create(sizeof mu)) {
  42                 fprintf(stderr, "Failed to create uniform buffer.\n");
  43                 return false;
  44         }
  45
  46         if(!vbuf) {
  47                 vbuf = gfx_create_uniform_buffer();
  48                 if(!vbuf->create(sizeof vu)) {
  49                         fprintf(stderr, "Failed to create uniform buffer.\n");
  50                         return false;
  51                 }
  52         }
  53
  54         if(!fbuf) {
  55                 fbuf = gfx_create_uniform_buffer();
  56                 if(!fbuf->create(sizeof fu)) {
  57                         fprintf(stderr, "Failed to create uniform buffer.\n");
  58                         return false;
  59                 }
  60         }
  61
  62         if(!svbuf) {
  63                 svbuf = gfx_create_uniform_buffer();
  64                 if(!svbuf->create(sizeof svu)) {
  65                         fprintf(stderr, "Failed to create uniform buffer.\n");
  66                         return false;
  67                 }
  68         }
  69
  70         return true;
  71 }
  72
  73 void MorphRenderer::draw()
  74 {
  75         if(!camera || !scene)
  76                 return;
  77
  78         if(!sprog->link())
  79                 return;
  80
  81         if(dskytex) {
  82                 dskytex->bind(1);
  83         }
  84
  85         sprog->use();
  86
  87         for(size_t i=0; i<scene->objects.size(); i++) {
  88                 mu.t = (sin(time_sec + 7.3 * noise(i * M_PI)) + 1) * 0.5;
  89                 mbuf->update(&mu);
  90                 mbuf->bind(MORPHING_MATRIX_UNIFORMS);
  91
  92                 vu.mmod = scene->objects[i]->transform.upper3x3();
  93                 vbuf->update(&vu);
  94                 vbuf->bind(MATRIX_UNIFORMS);
  95
  96                 draw_object(scene->objects[i]);
  97         }
  98 }