X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Fshadow.glsl;fp=shaderlib%2Fshadow.glsl;h=0a20b3a513998272fc13d14f386f621f32864e8d;hb=5ca47579de51342ac3e8ecda2cbb9be2f8b4643a;hp=0000000000000000000000000000000000000000;hpb=3500f13f51dabadd2e7f06b81820936520cc8115;p=libs%2Fgl.git

diff --git a/shaderlib/shadow.glsl b/shaderlib/shadow.glsl
new file mode 100644
index 00000000..0a20b3a5
--- /dev/null
+++ b/shaderlib/shadow.glsl
@@ -0,0 +1,21 @@
+import msp_interface;
+
+const bool use_shadow_map = false;
+
+#pragma MSP stage(vertex)
+void shadow_transform(vec4 eye_vertex)
+{
+	out vec3 shadow_coord = (shd_eye_matrix*eye_vertex).xyz;
+}
+
+#pragma MSP stage(fragment)
+float get_shadow_factor(int index)
+{
+	if(use_shadow_map)
+	{
+		float shadow_sample = texture(shadow_map, shadow_coord);
+		return mix(1.0, shadow_sample, shadow_darkness);
+	}
+	else
+		return 1.0;
+}