stuff

modules/wallpaper-engine/shaders/common_vertex.h

@@ -0,0 +1,15 @@
+mat3 BuildTangentSpace(const vec3 normal, const vec4 signedTangent)
+{
+	vec3 tangent = signedTangent.xyz;
+	vec3 bitangent = cross(normal, tangent) * signedTangent.w;
+	return mat3(tangent, bitangent, normal);
+}
+
+mat3 BuildTangentSpace(const mat3 modelTransform, const vec3 normal, const vec4 signedTangent)
+{
+	vec3 tangent = signedTangent.xyz;
+	vec3 bitangent = cross(normal, tangent) * signedTangent.w;
+	return mat3(mul(tangent, modelTransform),
+		mul(bitangent, modelTransform),
+		mul(normal, modelTransform));
+}