From 9af964de6701d6341de4dc36b4252d18af3ebc60 Mon Sep 17 00:00:00 2001
From: BZLZHH <admin@bzlzhh.top>
Date: Thu, 5 Feb 2026 13:30:30 +0800
Subject: [PATCH] [Fix] (MG_Backend/DirectGLES): Remove the use of
 glVertexAttribFormat.

---
 MobileGL/MG_Backend/DirectGLES/Managers.cpp | 35 ++++++---------------
 MobileGL/MG_Backend/DirectGLES/Managers.h   |  5 +--
 2 files changed, 13 insertions(+), 27 deletions(-)

diff --git a/MobileGL/MG_Backend/DirectGLES/Managers.cpp b/MobileGL/MG_Backend/DirectGLES/Managers.cpp
index 1a054688..f639ab63 100644
--- a/MobileGL/MG_Backend/DirectGLES/Managers.cpp
+++ b/MobileGL/MG_Backend/DirectGLES/Managers.cpp
@@ -216,7 +216,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             MG_External::GLES::glBindVertexArray(m_backendVAOId);
         }
 
-        void BackendVertexArrayObject::SyncAttributeBuffer(Uint index,
+        void BackendVertexArrayObject::BindAttributeBuffer(Uint index,
                                                            const MG_State::GLState::VertexAttribute& attrib) {
             const auto& bufferObject = attrib.Buffer;
             if (!bufferObject) {
@@ -268,35 +268,20 @@ namespace MobileGL::MG_Backend::DirectGLES {
                                        m_syncedAttributeVersions[attribIndex].BufferVersion;
                 if (!needsSyncFormat && !needsSyncBuffer) continue;
 
-                if (needsSyncBuffer) {
-                    SyncAttributeBuffer(attribIndex, attrib);
+                BindAttributeBuffer(attribIndex, attrib);
 
-                    if (!attrib.IsInteger) {
-                        MG_External::GLES::glVertexAttribPointer(
-                            attribIndex, attrib.Size, MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
-                            attrib.Normalized ? GL_TRUE : GL_FALSE, attrib.Stride, (const void*)attrib.Offset);
-                    } else {
-                        MG_External::GLES::glVertexAttribIPointer(attribIndex, attrib.Size,
-                                                                  MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
-                                                                  attrib.Stride, (const void*)attrib.Offset);
-                    }
-
-                    if (needsSyncFormat) {
-                        MG_External::GLES::glVertexAttribDivisor(attribIndex, attrib.Divisor);
-                    }
-                    continue; // No need to set format again
+                if (!attrib.IsInteger) {
+                    MG_External::GLES::glVertexAttribPointer(
+                        attribIndex, attrib.Size, MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
+                        attrib.Normalized ? GL_TRUE : GL_FALSE, attrib.Stride, (const void*)attrib.Offset);
+                } else {
+                    MG_External::GLES::glVertexAttribIPointer(attribIndex, attrib.Size,
+                                                              MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
+                                                              attrib.Stride, (const void*)attrib.Offset);
                 }
 
                 if (needsSyncFormat) {
                     MG_External::GLES::glVertexAttribDivisor(attribIndex, attrib.Divisor);
-                    if (!attrib.IsInteger) {
-                        MG_External::GLES::glVertexAttribFormat(attribIndex, attrib.Size,
-                                                                MG_Util::ConvertDataTypeToGLEnum(attrib.Type),
-                                                                attrib.Normalized ? GL_TRUE : GL_FALSE, attrib.Offset);
-                    } else {
-                        MG_External::GLES::glVertexAttribIFormat(
-                            attribIndex, attrib.Size, MG_Util::ConvertDataTypeToGLEnum(attrib.Type), attrib.Offset);
-                    }
                 }
             }
 
diff --git a/MobileGL/MG_Backend/DirectGLES/Managers.h b/MobileGL/MG_Backend/DirectGLES/Managers.h
index b964ac01..b08aee3a 100644
--- a/MobileGL/MG_Backend/DirectGLES/Managers.h
+++ b/MobileGL/MG_Backend/DirectGLES/Managers.h
@@ -49,7 +49,7 @@ namespace MobileGL::MG_Backend::DirectGLES {
             void Bind();
 
         private:
-            void SyncAttributeBuffer(Uint index, const MG_State::GLState::VertexAttribute& attrib);
+            void BindAttributeBuffer(Uint index, const MG_State::GLState::VertexAttribute& attrib);
 
             Uint m_backendVAOId = 0;
             Bool m_isInitialized = false;
@@ -132,8 +132,9 @@ namespace MobileGL::MG_Backend::DirectGLES {
             bool SyncAttachmentObject(GLenum glFBOTarget,
                                       const MG_State::GLState::FramebufferAttachmentObject& attachmentObject,
                                       GLenum glBackendAttachment);
-//            FramebufferAttachmentType GetCompactedAttachmentTypeAtDrawBufferIndex(Int index);
+            //            FramebufferAttachmentType GetCompactedAttachmentTypeAtDrawBufferIndex(Int index);
             GLenum GetBackendAttachmentType(FramebufferAttachmentType frontendAtt) const;
+
         private:
             Uint m_backendFBOId = 0;