Initial commit.

skybox/skybox.frag

@@ -0,0 +1,9 @@
+#version 330
+uniform samplerCube uTexture;
+
+varying vec3 vTexCoord;
+
+void main()
+{
+  gl_FragColor = texture(uTexture, vTexCoord);
+}

skybox/skybox.vert

@@ -0,0 +1,15 @@
+#version 330
+layout(location = 0) in vec3 aPosition;
+
+out vec3 vTexCoord;
+
+uniform mat4 uProjectionMatrix;
+uniform mat4 uViewMatrix;
+
+void main()
+{
+  // Strip translation column from camera's 4x4 matrix
+  mat4 view = mat4(mat3(uViewMatrix));
+  gl_Position = uProjectionMatrix * view * vec4(aPosition, 1.0);
+  vTexCoord = aPosition;
+}