1 files changed, 7 insertions, 0 deletions

diff --git a/src/Gal.hpp b/src/Gal.hpp
index 76db560..fe99dc7 100644
--- a/src/Gal.hpp
+++ b/src/Gal.hpp
@@ -86,6 +86,11 @@ namespace Gal {
         TriangleFan,
     };
 
+    enum class Blending {
+        Opaque,
+        Additive,
+    };
+
     struct VertexAttribute {
         std::string name;
         Type type;
@@ -186,6 +191,8 @@ namespace Gal {
 
         virtual void SetPrimitive(Primitive primitive) = 0;
 
+        virtual void SetBlending(Blending blendingMode) = 0;
+
         virtual std::shared_ptr<BufferBinding> BindVertexBuffer(std::vector<VertexAttribute> &&bufferLayout) = 0;
 
         virtual std::shared_ptr<BufferBinding> BindIndexBuffer() = 0;