1 files changed, 4 insertions, 3 deletions
diff --git a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1.vp b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1.vp
index c6ed4ca58..de41d9198 100644
--- a/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1.vp
+++ b/src/jogl/classes/jogamp/graph/curve/opengl/shader/curverenderer01-pass1.vp
@@ -1,4 +1,4 @@
-//Copyright 2010 JogAmp Community. All rights reserved.
+// Copyright 2010-2023 JogAmp Community. All rights reserved.
 
 #if __VERSION__ >= 130
   #define attribute in
@@ -24,8 +24,9 @@ void main(void)
     }
 #endif
 #ifdef USE_COLOR_TEXTURE
-    vec2 dim = vec2(gcu_ColorTexBBox.z - gcu_ColorTexBBox.x, gcu_ColorTexBBox.w - gcu_ColorTexBBox.y);
-    gcv_ColorTexCoord = vec2(gca_Vertices.x - gcu_ColorTexBBox.x, gca_Vertices.y - gcu_ColorTexBBox.y) / dim;
+    vec2 dim = vec2(gcu_ColorTexBBox[1].x - gcu_ColorTexBBox[0].x, gcu_ColorTexBBox[1].y - gcu_ColorTexBBox[0].y);
+    gcv_ColorTexCoord = vec2(gca_Vertices.x - gcu_ColorTexBBox[0].x, gca_Vertices.y - gcu_ColorTexBBox[0].y) / dim;
+    gcv_ColorTexExt = gcu_ColorTexBBox[2]; // texture-size
 #endif
 #ifdef USE_COLOR_CHANNEL
     gcv_Color = gca_Colors;