From: Mikko Rasa <tdb@tdb.fi>
Date: Wed, 3 Mar 2021 23:50:31 +0000 (+0200)
Subject: Add the shader for UnlitMaterial
X-Git-Url: http://git.tdb.fi/?a=commitdiff_plain;h=5fc03c5a41df2934696921b2f7d5a65023a4506a;p=libs%2Fgl.git

Add the shader for UnlitMaterial

This was supposed to be in 2f198e3
---

diff --git a/shaderlib/unlit.glsl b/shaderlib/unlit.glsl
new file mode 100644
index 00000000..57be8b1b
--- /dev/null
+++ b/shaderlib/unlit.glsl
@@ -0,0 +1,28 @@
+import msp_interface;
+import common;
+
+uniform sampler2D texture;
+uniform vec4 tint;
+
+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;
+
+#pragma MSP stage(fragment)
+vec4 get_color()
+{
+	vec4 result = tint;
+	if(use_texture)
+		result *= texture(texture, texcoord.xy);
+	if(use_vertex_color)
+		result *= color;
+	return result;
+}
+
+void main()
+{
+	vec4 color = get_color();
+	if(use_fog)
+		color.rgb = apply_fog(color.rgb);
+	frag_color = color;
+}