- [FIX] glViewport() s'ha de fixar quan estem treballant contra la pantalla, al final

- [FIX] invertida la textura en l'eix Y

basic.fragment

@@ -1,9 +1,10 @@
-#version 330 core
-out vec4 FragColor;
-  
-in vec4 vertexColor; // the input variable from the vertex shader (same name and same type)  
+
+uniform sampler2D tex0;
+
+varying vec4 v_color; // the input variable from the vertex shader (same name and same type)  
+varying vec2 v_texCoord;
 
 void main()
 {
-    FragColor = vertexColor;
+    gl_FragColor = texture2D(tex0, v_texCoord);
 }