From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 12 Dec 2021 11:17:30 +0000 (+0200)
Subject: Set gl_Layer separately for each vertex
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=fd92cb5c68eefa4d32fbedbfa41fecc433a886a3

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 b865a7ab..88317526 100644
--- 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();