From ab95ff41eb851272476e687c74d06c441ffcf4bb Mon Sep 17 00:00:00 2001
From: Christopher Tenter <christopher.tenter@rwth-aachen.de>
Date: Tue, 8 Apr 2014 16:30:43 +0000
Subject: [PATCH] remove old ward shader refs #2068

git-svn-id: http://www.openflipper.org/svnrepo/OpenFlipper/branches/Free@18443 383ad7c9-94d9-4d36-a494-682f7c89f535
---
 Shaders/Ward/Fragment.glsl | 51 --------------------------------------
 Shaders/Ward/Vertex.glsl   | 14 -----------
 Shaders/Ward/shader.ini    | 18 --------------
 3 files changed, 83 deletions(-)
 delete mode 100644 Shaders/Ward/Fragment.glsl
 delete mode 100644 Shaders/Ward/Vertex.glsl
 delete mode 100644 Shaders/Ward/shader.ini

diff --git a/Shaders/Ward/Fragment.glsl b/Shaders/Ward/Fragment.glsl
deleted file mode 100644
index 2b005678..00000000
--- a/Shaders/Ward/Fragment.glsl
+++ /dev/null
@@ -1,51 +0,0 @@
-varying vec4 diffuse_color;
-varying vec3 normal;
-varying vec4 vertexPosition;
-uniform float ward_specular;
-uniform float ward_diffuse;
-uniform float ward_alpha;
-
-const float pi = 3.141592653589793238;
-const float pi_rec = 0.3183098861837906715;
-
-/** \brief Isotropic Ward BRDF.
- */
-vec4 ward_direct(int lightSource)
-{
-    vec3 light_pos = vec3(gl_LightSource[lightSource].position);
-    vec3 vtx_pos = vec3(vertexPosition / vertexPosition.w);
-    vec3 i = vec3(light_pos - vtx_pos);
-    float lightDistance = length(i);
-    i /= lightDistance;
-
-    vec4 color = vec4(0.0);
-    vec3 n;
-
-    n = normalize(normal);
-
-    float NdotI = dot(n, i);
-    float IdotD = dot(-i, gl_LightSource[lightSource].spotDirection);
-
-    if (NdotI > 0.0 && IdotD > 0.0)
-    {
-        vec3 o = normalize(-vtx_pos);
-        vec3 h = normalize(i + o);
-        float NdotO = dot(n, o);
-        float G = (IdotD * NdotI);
-        float HdotN = dot(h, n);
-
-        vec4 f_R = vec4( ward_diffuse * pi_rec + (ward_specular * exp((HdotN * HdotN - 1.0) / (HdotN * HdotN * ward_alpha * ward_alpha)))
-                                                   / (4.0 * pi * ward_alpha * ward_alpha * sqrt(NdotI * NdotO)) );
-
-        color = gl_LightSource[lightSource].diffuse *  f_R * G;
-    }
-
-    //use Alpha value from original object color
-    color[3] = diffuse_color[3];
-
-    return color;
-}
-
-void  main() {
-  gl_FragColor = ward_direct(0);
-}
diff --git a/Shaders/Ward/Vertex.glsl b/Shaders/Ward/Vertex.glsl
deleted file mode 100644
index 4812fc96..00000000
--- a/Shaders/Ward/Vertex.glsl
+++ /dev/null
@@ -1,14 +0,0 @@
-varying vec4 diffuse_color;
-varying vec3 normal;
-varying vec4 vertexPosition;
-uniform float ward_specular;
-uniform float ward_diffuse;
-uniform float ward_alpha;
-
-void main()
-{
-   normal = normalize(gl_NormalMatrix * gl_Normal);
-   vertexPosition = gl_ModelViewMatrix * gl_Vertex;
-   gl_Position = gl_ProjectionMatrix * vertexPosition;
-   diffuse_color = gl_FrontMaterial.diffuse;
-}
diff --git a/Shaders/Ward/shader.ini b/Shaders/Ward/shader.ini
deleted file mode 100644
index 0da9079b..00000000
--- a/Shaders/Ward/shader.ini
+++ /dev/null
@@ -1,18 +0,0 @@
-[FragmentShader]
-file=Fragment.glsl
-
-
-[Info]
-name=Ward Shader
-uniformTypes=float;float;float
-uniforms=ward_specular;ward_diffuse;ward_alpha
-uniformsDefault=0.5;3.0;0.2
-uniformsMax=1.0;4.0;1.0
-uniformsMin=0.0;0.0;0.0
-version=1.0
-
-
-[VertexShader]
-file=Vertex.glsl
-
-
-- 
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