Set gl_Layer separately for each vertex

EmitVertex invalidates *all* output variables so they must be written
again for the next one.

diff --git a/shaderlib/cubemap_effect.glsl b/shaderlib/cubemap_effect.glsl
index b865a7abdc6238edfe8ed9652ee9ad716650ad25..883175263550843095796c1c76cb630f824b4f7e 100644 (file)
--- a/shaderlib/cubemap_effect.glsl
+++ b/shaderlib/cubemap_effect.glsl
@@ -17,9 +17,9 @@ void main()
 {
        for(int i=0; i<6; ++i)
        {
-               gl_Layer = i;
                for(int j=0; j<3; ++j)
                {
+                       gl_Layer = i;
                        gl_Position = gl_in[j].gl_Position;
                        out vec3 texcoord = faces[i]*vec3(gl_in[j].gl_Position.xy, 1.0);
                        EmitVertex();