1 files changed, 15 insertions, 2 deletions
diff --git a/source/GraphicsTags.hpp b/source/GraphicsTags.hpp
index 465c57d..34c0885 100644
--- a/source/GraphicsTags.hpp
+++ b/source/GraphicsTags.hpp
@@ -1,6 +1,7 @@
 #pragma once
 
 #include <glad/glad.h>
+#include <limits>
 #include <string>
 #include <string_view>
 
@@ -17,10 +18,12 @@ enum VertexElementSemantic {
 	VES_Normal,
 	/// Colour, typically VET_Ubyte4
 	VES_Color1,
-	/// Secondary colour. Generally free for custom data. Means specular with OpenGL FFP.
 	VES_Color2,
+	VES_Color3,
 	/// Texture coordinates, typically VET_Float2
-	VES_Texture_coordinates,
+	VES_TexCoords1,
+	VES_TexCoords2,
+	VES_TexCoords3,
 	/// Binormal (Y axis if normal is Z)
 	VES_Binormal,
 	/// Tangent (X axis if normal is Z)
@@ -71,6 +74,8 @@ enum VertexElementType {
 };
 
 int SizeOf(VertexElementType type);
+int VectorLenOf(VertexElementType type);
+GLenum FindGLType(VertexElementType type);
 bool IsNormalized(VertexElementType type);
 
 enum IndexType {
@@ -79,7 +84,15 @@ enum IndexType {
 };
 
 int SizeOf(IndexType type);
+GLenum FindGLType(IndexType type);
+
+enum TexFilter {
+	TF_Linear,
+	TF_Nearest,
+};
 
 std::string_view NameOfGLType(GLenum);
 GLenum FindGLType(std::string_view name);
+
+constexpr GLuint kInvalidLocation = std::numeric_limits<GLuint>::max();
 } // namespace Tags