summaryrefslogtreecommitdiff
path: root/progs/glsl/reflect.vert
diff options
context:
space:
mode:
Diffstat (limited to 'progs/glsl/reflect.vert')
-rw-r--r--progs/glsl/reflect.vert20
1 files changed, 0 insertions, 20 deletions
diff --git a/progs/glsl/reflect.vert b/progs/glsl/reflect.vert
deleted file mode 100644
index e1f22def33..0000000000
--- a/progs/glsl/reflect.vert
+++ /dev/null
@@ -1,20 +0,0 @@
-// Vertex shader for cube-texture reflection mapping
-// Brian Paul
-
-
-varying vec3 normal;
-
-void main()
-{
- vec3 n = gl_NormalMatrix * gl_Normal;
- vec3 u = normalize(vec3(gl_ModelViewMatrix * gl_Vertex));
- float two_n_dot_u = 2.0 * dot(n, u);
- vec4 f;
- f.xyz = u - n * two_n_dot_u;
- f.w = 1.0;
-
- // outputs
- normal = n;
- gl_TexCoord[0] = gl_TextureMatrix[0] * f;
- gl_Position = ftransform();
-}