X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Fshadow.glsl;h=04cf6832dcffd19a6a4949c1049b98e0f2b64a40;hb=82282de52e8e8f3bbafefaf92bf76f53f2c2495e;hp=0a20b3a513998272fc13d14f386f621f32864e8d;hpb=5ca47579de51342ac3e8ecda2cbb9be2f8b4643a;p=libs%2Fgl.git

diff --git a/shaderlib/shadow.glsl b/shaderlib/shadow.glsl
index 0a20b3a5..04cf6832 100644
--- a/shaderlib/shadow.glsl
+++ b/shaderlib/shadow.glsl
@@ -1,18 +1,28 @@
 import msp_interface;
 
-const bool use_shadow_map = false;
+uniform ShadowMap
+{
+	float shadow_darkness;
+	mat4 shd_world_matrix;
+};
+
+uniform sampler2DShadow shadow_map;
+
+layout(constant_id=auto) const bool use_shadow_map = false;
 
 #pragma MSP stage(vertex)
-void shadow_transform(vec4 eye_vertex)
+void shadow_transform(vec4 world_vertex)
 {
-	out vec3 shadow_coord = (shd_eye_matrix*eye_vertex).xyz;
+	out vec3 shadow_coord = (shd_world_matrix*world_vertex).xyz;
 }
 
 #pragma MSP stage(fragment)
-float get_shadow_factor(int index)
+virtual float get_shadow_factor(int index)
 {
 	if(use_shadow_map)
 	{
+		if(shadow_coord.x<0 || shadow_coord.x>1 || shadow_coord.y<0 || shadow_coord.y>1)
+			return 1.0;
 		float shadow_sample = texture(shadow_map, shadow_coord);
 		return mix(1.0, shadow_sample, shadow_darkness);
 	}