terrain working - no culling

[demo] / src / renderer.cc

diff --git a/src/renderer.cc b/src/renderer.cc
index 093b71e..816e924 100644 (file)
--- a/src/renderer.cc
+++ b/src/renderer.cc
@@ -47,32 +47,14 @@ bool Renderer::create()
 
        /* getting material uniform locations: diffuse, specular, specular exponent (strength) */
 
-       if((diff_loc = sprog->get_uniform_location("diffuse")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"diffuse\".\n");
-               return false;
-       }
-
-       if((spec_loc = sprog->get_uniform_location("specular")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"specular\".\n");
-               return false;
-       }
-
-       if((shin_loc = sprog->get_uniform_location("shininess")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"shininess\".\n");
-               return false;
-       }
+       diff_loc = sprog->get_uniform_location("diffuse");
+       spec_loc = sprog->get_uniform_location("specular");
+       shin_loc = sprog->get_uniform_location("shininess");
 
        /* uniform locations for matrices */
 
-       if((mmviewproj_loc = sprog->get_uniform_location("mmviewproj")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"mmviewproj\".\n");
-               return false;
-       }
-
-       if((mview_loc = sprog->get_uniform_location("mview")) == -1) {
-               fprintf(stderr, "Invalid uniform location: can't find \"mview\".\n");
-               return false;
-       }
+       mmviewproj_loc = sprog->get_uniform_location("mmviewproj");
+       mview_loc = sprog->get_uniform_location("mview");
 
        return true;
 }
@@ -102,9 +84,14 @@ void Renderer::draw_object(Object *object) const
 
        /* setting uniforms for material */
 
-       sprog->set_uniformf(diff_loc, m->diffuse.x, m->diffuse.y, m->diffuse.z, 1);
-       sprog->set_uniformf(spec_loc, m->specular.x, m->specular.y, m->specular.z, 1);
-       sprog->set_uniformf(shin_loc, m->shininess);
+       if(diff_loc != -1)
+               sprog->set_uniformf(diff_loc, m->diffuse.x, m->diffuse.y, m->diffuse.z, 1);
+
+       if(spec_loc != -1)
+               sprog->set_uniformf(spec_loc, m->specular.x, m->specular.y, m->specular.z, 1);
+
+       if(shin_loc != -1)
+               sprog->set_uniformf(shin_loc, m->shininess);
 
        /* texture */
 
@@ -114,10 +101,12 @@ void Renderer::draw_object(Object *object) const
        /* setting uniforms for matrices */
 
        Mat4 mmviewproj = object->transform * camera->get_view_matrix() * mprojection;
-       sprog->set_uniform_matrix(mmviewproj_loc, mmviewproj);
+       if(mmviewproj_loc != -1)
+               sprog->set_uniform_matrix(mmviewproj_loc, mmviewproj);
 
        Mat4 mview = object->transform * camera->get_view_matrix();
-       sprog->set_uniform_matrix(mview_loc, mview);
+       if(mview_loc != -1)
+               sprog->set_uniform_matrix(mview_loc, mview);
 
        object->mesh->draw();
 
@@ -129,7 +118,8 @@ void Renderer::draw_object(Object *object) const
                }
                nprog->use();
                object->mesh->draw_normals(1.0);
-       }*/
+       }
+       */
 
        // if(m->dtex)
        //      m->dtex->unbind();