X-Git-Url: http://git.tdb.fi/?a=blobdiff_plain;f=shaderlib%2Funlit.glsl;h=f4920a7982db397babd59fcc61e66dc725a55dbf;hb=8d211effd0c6db66e57f9ffd8ee712eef6069a1c;hp=57be8b1ba1acc571b7d0dbbbdcd691a1d1a7dd96;hpb=5fc03c5a41df2934696921b2f7d5a65023a4506a;p=libs%2Fgl.git

diff --git a/shaderlib/unlit.glsl b/shaderlib/unlit.glsl
index 57be8b1b..f4920a79 100644
--- a/shaderlib/unlit.glsl
+++ b/shaderlib/unlit.glsl
@@ -1,19 +1,30 @@
 import msp_interface;
 import common;
 
-uniform sampler2D texture;
-uniform vec4 tint;
+struct UnlitMaterialParameters
+{
+	vec4 color;
+};
+
+uniform UnlitMaterial
+{
+	UnlitMaterialParameters unlit_material;
+	float alpha_cutoff;
+};
+
+uniform sampler2D color_tex;
 
 layout(constant_id=auto) const bool use_texture = false;
 layout(constant_id=auto) const bool use_vertex_color = false;
 layout(constant_id=auto) const bool use_fog = false;
+layout(constant_id=auto) const bool use_alpha_cutoff = false;
 
 #pragma MSP stage(fragment)
-vec4 get_color()
+virtual vec4 get_color()
 {
-	vec4 result = tint;
+	vec4 result = unlit_material.color;
 	if(use_texture)
-		result *= texture(texture, texcoord.xy);
+		result *= texture(color_tex, texcoord.xy);
 	if(use_vertex_color)
 		result *= color;
 	return result;
@@ -22,6 +33,9 @@ vec4 get_color()
 void main()
 {
 	vec4 color = get_color();
+	if(use_alpha_cutoff && color.a<alpha_cutoff)
+		discard;
+
 	if(use_fog)
 		color.rgb = apply_fog(color.rgb);
 	frag_color = color;