Remove demos that have moved to git+ssh://git.freedesktop.org/git/mesa/demos.

[mesa.git] / progs / glsl / CH11-bumpmap.frag

diff --git a/progs/glsl/CH11-bumpmap.frag b/progs/glsl/CH11-bumpmap.frag
deleted file mode 100644 (file)
index e12c5d3..0000000
--- a/progs/glsl/CH11-bumpmap.frag
+++ /dev/null
@@ -1,41 +0,0 @@
-//
-// Fragment shader for procedural bumps
-//
-// Authors: John Kessenich, Randi Rost
-//
-// Copyright (c) 2002-2006 3Dlabs Inc. Ltd. 
-//
-// See 3Dlabs-License.txt for license information
-//
-
-varying vec3 LightDir;
-varying vec3 EyeDir;
-
-uniform vec3  SurfaceColor;    // = (0.7, 0.6, 0.18)
-uniform float BumpDensity;     // = 16.0
-uniform float BumpSize;        // = 0.15
-uniform float SpecularFactor;  // = 0.5
-
-void main()
-{
-    vec3 litColor;
-    vec2 c = BumpDensity * gl_TexCoord[0].st;
-    vec2 p = fract(c) - vec2(0.5);
-
-    float d, f;
-    d = p.x * p.x + p.y * p.y;
-    f = inversesqrt(d + 1.0);
-
-    if (d >= BumpSize)
-        { p = vec2(0.0); f = 1.0; }
-
-    vec3 normDelta = vec3(p.x, p.y, 1.0) * f;
-    litColor = SurfaceColor * max(dot(normDelta, LightDir), 0.0);
-    vec3 reflectDir = reflect(LightDir, normDelta);
-    
-    float spec = max(dot(EyeDir, reflectDir), 0.0);
-    spec *= SpecularFactor;
-    litColor = min(litColor + spec, vec3(1.0));
-
-    gl_FragColor = vec4(litColor, 1.0);
-}