Add thumbnails

image.frag

@@ -1,10 +1,10 @@
 #version 130
 
 uniform sampler2D qt_Texture0;
-in vec2 qt_TexCoord0;
 uniform vec3 mtf_param;
 uniform bool bw;
 uniform bool invert;
+in vec2 qt_TexCoord0;
 out vec4 color;
 
 vec4 MTF(vec4 x, vec3 m)
@@ -16,7 +16,7 @@ vec4 MTF(vec4 x, vec3 m)
 
 void main(void)
 {
-    color = texture2D(qt_Texture0, qt_TexCoord0);
+    color = texture(qt_Texture0, qt_TexCoord0);
     if(bw)color = color.rrra;
     color = MTF(color, mtf_param);