Added COLLADA and glTF formats for vulkanscene

models/gltf/vulkanscene/vulkanscene1FS.glsl

@@ -0,0 +1,21 @@
+precision highp float;
+varying vec3 v_normal;
+uniform vec4 u_diffuse;
+uniform vec4 u_emission;
+uniform vec4 u_specular;
+uniform float u_shininess;
+void main(void) {
+vec3 normal = normalize(v_normal);
+vec4 color = vec4(0., 0., 0., 0.);
+vec4 diffuse = vec4(0., 0., 0., 1.);
+vec4 emission;
+vec4 specular;
+diffuse = u_diffuse;
+emission = u_emission;
+specular = u_specular;
+diffuse.xyz *= max(dot(normal,vec3(0.,0.,1.)), 0.);
+color.xyz += diffuse.xyz;
+color.xyz += emission.xyz;
+color = vec4(color.rgb * diffuse.a, diffuse.a);
+gl_FragColor = color;
+}