REVIEWED: DrawMesh() #2511

Disable color vertex attribute if not provided by mesh

examples/shaders/resources/shaders/glsl330/lighting.fs

@@ -3,7 +3,7 @@
 // Input vertex attributes (from vertex shader)
 in vec3 fragPosition;
 in vec2 fragTexCoord;
-in vec4 fragColor;
+//in vec4 fragColor;
 in vec3 fragNormal;
 
 // Input uniform values

examples/shaders/resources/shaders/glsl330/lighting_instancing.vs

@@ -4,7 +4,7 @@
 in vec3 vertexPosition;
 in vec2 vertexTexCoord;
 in vec3 vertexNormal;
-in vec4 vertexColor;
+//in vec4 vertexColor;      // Not required
 
 in mat4 instanceTransform;
 
@@ -28,7 +28,7 @@ void main()
     // Send vertex attributes to fragment shader
     fragPosition = vec3(mvpi*vec4(vertexPosition, 1.0));
     fragTexCoord = vertexTexCoord;
-    fragColor = vertexColor;
+    //fragColor = vertexColor;
     fragNormal = normalize(vec3(matNormal*vec4(vertexNormal, 1.0)));
 
     // Calculate final vertex position