diff options
Diffstat (limited to 'progs/glsl/reflect.vert')
-rw-r--r-- | progs/glsl/reflect.vert | 20 |
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(); -} |