From c18320326475c1dbae8e891d992cd23556f2e679 Mon Sep 17 00:00:00 2001
From: BZLZHH <admin@bzlzhh.top>
Date: Sun, 8 Jun 2025 18:17:05 +0800
Subject: [PATCH] [Fix] (Diligent/Drawing): Use real type for IBO.

---
 MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp | 5 ++---
 MG/MG_GL/Implementations/GL/Program/GL_Program.cpp | 4 ++++
 2 files changed, 6 insertions(+), 3 deletions(-)

diff --git a/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp b/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
index 2912bb3a..85a3c704 100644
--- a/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
+++ b/MG/MG_GL/Implementations/GL/Drawing/GL_Drawing.cpp
@@ -461,7 +461,7 @@ namespace MG_GL::GL {
                     BuffDesc.Usage = Diligent::USAGE_DYNAMIC;
                     BuffDesc.BindFlags = Diligent::BIND_VERTEX_BUFFER;
                     BuffDesc.CPUAccessFlags = Diligent::CPU_ACCESS_WRITE;
-
+                    
                     if (pBuffer) {
                         pBuffer->Release();
                     }
@@ -600,10 +600,9 @@ namespace MG_GL::GL {
 
         MG_Util::Debug::LogD("Preparing to draw indexed for program %u", program);
         Diligent::DrawIndexedAttribs drawAttrs;
-        drawAttrs.IndexType = ConvertGLTypeToDiligent(type);
         drawAttrs.NumIndices = count;
         drawAttrs.Flags = Diligent::DRAW_FLAG_VERIFY_ALL;
-        drawAttrs.IndexType = Diligent::VT_UINT32;
+        drawAttrs.IndexType = ConvertGLTypeToDiligent(type);
         MG_Util::Debug::LogD("DrawIndexedAttribs Dump:");
         MG_Util::Debug::LogD("  NumIndices: %u", drawAttrs.NumIndices);
         MG_Util::Debug::LogD("  IndexType: %d", drawAttrs.IndexType);
diff --git a/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp b/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
index e42fda35..f7bd197e 100644
--- a/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
+++ b/MG/MG_GL/Implementations/GL/Program/GL_Program.cpp
@@ -105,6 +105,10 @@ namespace MG_GL::GL {
             case GL_FLOAT_VEC2: return Diligent::VT_FLOAT32;
             case GL_FLOAT_VEC3: return Diligent::VT_FLOAT32;
             case GL_FLOAT_VEC4: return Diligent::VT_FLOAT32;
+            case GL_SHORT: return Diligent::VT_INT16;
+            case GL_UNSIGNED_SHORT: return Diligent::VT_UINT16;
+            case GL_BYTE: return Diligent::VT_INT8;
+            case GL_UNSIGNED_BYTE: return Diligent::VT_UINT8;
             case GL_INT: return Diligent::VT_INT32;
             case GL_INT_VEC2: return Diligent::VT_INT32;
             case GL_INT_VEC3: return Diligent::VT_INT32;