X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Fcubemap_effect.glsl;fp=shaderlib%2Fcubemap_effect.glsl;h=b865a7abdc6238edfe8ed9652ee9ad716650ad25;hb=6b9338845dfee441cd18ad6c633e4feef8ad14e1;hp=0000000000000000000000000000000000000000;hpb=87b74b1263710b0acb9e0b72283e972fd54ee91b;p=libs%2Fgl.git

diff --git a/shaderlib/cubemap_effect.glsl b/shaderlib/cubemap_effect.glsl
new file mode 100644
index 00000000..b865a7ab
--- /dev/null
+++ b/shaderlib/cubemap_effect.glsl
@@ -0,0 +1,29 @@
+uniform CubeParams
+{
+	mat3 faces[6];
+};
+
+#pragma MSP stage(vertex)
+layout(location=0) in vec4 vertex;
+void main()
+{
+	gl_Position = vertex;
+}
+
+#pragma MSP stage(geometry)
+layout(triangles) in;
+layout(triangle_strip, max_vertices=18) out;
+void main()
+{
+	for(int i=0; i<6; ++i)
+	{
+		gl_Layer = i;
+		for(int j=0; j<3; ++j)
+		{
+			gl_Position = gl_in[j].gl_Position;
+			out vec3 texcoord = faces[i]*vec3(gl_in[j].gl_Position.xy, 1.0);
+			EmitVertex();
+		}
+		EndPrimitive();
+	}
+}