X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=builtin_data%2F_sky_backdrop.glsl;h=8d9f4ab91915f435518a4459196ad6665a0e2caf;hb=82282de52e8e8f3bbafefaf92bf76f53f2c2495e;hp=0aac6c8080553da91a246b18f7dd6d010be11e5a;hpb=06d83c11e10208478487dea864ddd7822630c391;p=libs%2Fgl.git

diff --git a/builtin_data/_sky_backdrop.glsl b/builtin_data/_sky_backdrop.glsl
index 0aac6c80..8d9f4ab9 100644
--- a/builtin_data/_sky_backdrop.glsl
+++ b/builtin_data/_sky_backdrop.glsl
@@ -7,7 +7,7 @@ uniform sampler2D distant;
 void main()
 {
 	gl_Position = vec4(vertex.xy, 1.0, 1.0);
-	mat4 inv_projection = inverse(projection_matrix);
+	mat4 inv_projection = inverse(clip_eye_matrix);
 	out vec4 view_dir = inv_projection*vec4(vertex.xy, -1.0, 1.0);
 	view_dir /= view_dir.w;
 	view_dir = inverse(eye_world_matrix)*vec4(view_dir.xyz, 0.0);