X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Fphong.glsl;h=28e9e5007be0af9c7e706353d2a67c16ea965ab2;hb=a741acd5c501c03de5181656498d2bcbe0df9157;hp=080c904895668f1e985a893ef959fb467ee0a91d;hpb=f853ca0a365ae8b43ba8b2f4d6f21cd1c2bd4bd5;p=libs%2Fgl.git

diff --git a/shaderlib/phong.glsl b/shaderlib/phong.glsl
index 080c9048..28e9e500 100644
--- a/shaderlib/phong.glsl
+++ b/shaderlib/phong.glsl
@@ -11,16 +11,17 @@ struct BasicMaterialParameters
 	float reflectivity;
 };
 
-uniform BasicMaterial
+layout(set=1) uniform BasicMaterial
 {
 	BasicMaterialParameters basic_material;
+	float alpha_cutoff;
 };
 
-uniform sampler2D diffuse_map;
-uniform sampler2D specular_map;
-uniform sampler2D shininess_map;
-uniform sampler2D emission_map;
-uniform sampler2D reflectivity_map;
+layout(set=1) uniform sampler2D diffuse_map;
+layout(set=1) uniform sampler2D specular_map;
+layout(set=1) uniform sampler2D shininess_map;
+layout(set=1) uniform sampler2D emission_map;
+layout(set=1) uniform sampler2D reflectivity_map;
 
 layout(constant_id=auto) const bool use_diffuse_map = false;
 layout(constant_id=auto) const bool use_specular = false;
@@ -30,6 +31,7 @@ layout(constant_id=auto) const bool use_emission = false;
 layout(constant_id=auto) const bool use_emission_map = false;
 layout(constant_id=auto) const bool use_reflectivity = false;
 layout(constant_id=auto) const bool use_reflectivity_map = false;
+layout(constant_id=auto) const bool use_alpha_cutoff = false;
 
 #pragma MSP stage(fragment)
 virtual vec4 get_diffuse_color()
@@ -112,10 +114,13 @@ vec3 phong_lighting(vec3 normal, vec3 look, vec3 surface_diffuse, vec3 surface_s
 
 void main()
 {
+	vec4 surface_diffuse = get_diffuse_color();
+	if(use_alpha_cutoff && surface_diffuse.a<alpha_cutoff)
+		discard;
+
 	vec3 normal = get_fragment_normal();
 	vec3 look = normalize(world_look_dir);
 
-	vec4 surface_diffuse = get_diffuse_color();
 	vec3 surface_specular = get_specular_color();
 	float shininess = get_shininess_value();