shading language texture demo/test

1 files changed, 18 insertions, 0 deletions

diff --git a/progs/glsl/cubemap.frag.txt b/progs/glsl/cubemap.frag.txt
new file mode 100644
index 00000000000..9c27648aaf9
--- /dev/null
+++ b/progs/glsl/cubemap.frag.txt
@@ -0,0 +1,18 @@
+// Fragment shader for cube-texture reflection mapping
+// Brian Paul
+
+
+uniform samplerCube cubeTex;
+varying vec3 normal;
+uniform vec3 lightPos;
+
+void main()
+{
+   // simple diffuse, specular lighting:
+   vec3 lp = normalize(lightPos);
+   float dp = dot(lp, normalize(normal));
+   float spec = pow(dp, 5.0);
+
+   // final color:
+   gl_FragColor = dp * textureCube(cubeTex, gl_TexCoord[0].xyz, 0.0) + spec;
+}