1 files changed, 24 insertions, 0 deletions
diff --git a/progs/glsl/CH11-toyball.vert b/progs/glsl/CH11-toyball.vert
new file mode 100644
index 0000000000..b7da3ac839
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+++ b/progs/glsl/CH11-toyball.vert
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+//
+// Fragment shader for procedurally generated toy ball
+//
+// Author: Bill Licea-Kane
+//
+// Copyright (c) 2002-2003 ATI Research 
+//
+// See ATI-License.txt for license information
+//
+
+varying vec4 ECposition;   // surface position in eye coordinates
+varying vec4 ECballCenter; // ball center in eye coordinates
+uniform vec4 BallCenter;   // ball center in modelling coordinates
+
+void main()
+{ 
+//orig:    ECposition   = gl_ModelViewMatrix * gl_Vertex;
+
+    ECposition = gl_TextureMatrix[0] * gl_Vertex;
+    ECposition = gl_ModelViewMatrix * ECposition;
+
+    ECballCenter = gl_ModelViewMatrix * BallCenter;
+    gl_Position  = ftransform();
+}