From 13abb24324c075506c429fc31e4943e5b24e2bab Mon Sep 17 00:00:00 2001
From: BZLZHH <admin@bzlzhh.top>
Date: Sun, 7 Dec 2025 11:01:30 +0800
Subject: [PATCH] [Feat] (MG_State/VertexArrayState): Implement divisor.

---
 .../GLState/VertexArrayState/VertexArrayObject.cpp   | 12 ++++++++++++
 .../GLState/VertexArrayState/VertexArrayObject.h     |  4 ++++
 2 files changed, 16 insertions(+)

diff --git a/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.cpp b/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.cpp
index ee9d24e8..c5231df8 100644
--- a/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.cpp
+++ b/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.cpp
@@ -94,6 +94,18 @@ namespace MobileGL {
             Uint VertexArrayObject::GetExternalIndex() const {
                 return m_externalIndex;
             }
+
+            void VertexArrayObject::SetAttributeDivisor(Uint index, Uint divisor) {
+                if (index >= MAX_VERTEX_ATTRIBS) return;
+                if (m_attributes[index].Divisor == divisor) return;
+                m_attributes[index].Divisor = divisor;
+                MarkAttributeDirty(index);
+            }
+
+            Uint VertexArrayObject::GetAttributeDivisor(Uint index) const {
+                if (index >= MAX_VERTEX_ATTRIBS) return 0;
+                return m_attributes[index].Divisor;
+            }
         } // namespace GLState
     } // namespace MG_State
 } // namespace MobileGL
diff --git a/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.h b/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.h
index 76135add..63374fc4 100644
--- a/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.h
+++ b/MobileGL/MG_State/GLState/VertexArrayState/VertexArrayObject.h
@@ -13,6 +13,7 @@ namespace MobileGL {
                 int Stride = 0;
                 SizeT Offset = 0;
                 Bool IsInteger = false;
+                Uint Divisor = 0;
                 SharedPtr<BufferObject> Buffer;
             };
 
@@ -40,6 +41,9 @@ namespace MobileGL {
                 void ClearDirtyAttributes();
                 Uint GetExternalIndex() const;
 
+                void SetAttributeDivisor(Uint index, Uint divisor);
+                Uint GetAttributeDivisor(Uint index) const;
+
             private:
                 void MarkAttributeDirty(Uint index);