From a050248982d5403a0e04312dffa7ebe73d15ef33 Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Fri, 15 Aug 2025 17:31:58 +0800
Subject: [PATCH] [Feat] (MG_State/Program): GetProgramiv:
 GL_ACTIVE_UNIFORM_BLOCKS, GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH

---
 MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp           | 7 ++++++-
 MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp | 6 ++++++
 MobileGL/MG_State/GLState/ProgramState/ProgramObject.h   | 5 ++++-
 3 files changed, 16 insertions(+), 2 deletions(-)

diff --git a/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp b/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
index a94d7f9a..0f0b3ed5 100644
--- a/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
+++ b/MobileGL/MG_Impl/GLImpl/Program/GL_Program.cpp
@@ -238,11 +238,16 @@ namespace MobileGL {
                 case GL_ACTIVE_UNIFORM_MAX_LENGTH:
                     *params = programObject->GetUniformMaxLength();
                     break;
-                case GL_PROGRAM_BINARY_LENGTH:
                 case GL_ACTIVE_UNIFORM_BLOCKS:                  // GL >= 3.1
+                    *params = programObject->GetActiveUniformBlocksCount();
+                    break;
                 case GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH:   // ditto.
+                    *params = programObject->GetActiveUniformBlocksMaxLength();
+                    break;
                 case GL_COMPUTE_WORK_GROUP_SIZE:                // GL >= 4.3
 
+                case GL_PROGRAM_BINARY_LENGTH:
+
                 case GL_TRANSFORM_FEEDBACK_BUFFER_MODE:
                 case GL_TRANSFORM_FEEDBACK_VARYINGS:
                 case GL_TRANSFORM_FEEDBACK_VARYING_MAX_LENGTH:
diff --git a/MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp b/MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp
index 07b24256..e87a1982 100644
--- a/MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp
+++ b/MobileGL/MG_State/GLState/ProgramState/ProgramObject.cpp
@@ -94,6 +94,12 @@ namespace MobileGL {
                     auto& inVar = m_program->getPipeInput(i);
                     m_attribInNameMaxLength = std::max(m_attribInNameMaxLength, (Int)inVar.name.length());
                 }
+
+                int uboCount = m_program->getNumUniformBlocks();
+                for (int i = 0; i < uboCount; i++) {
+                    auto& ubo = m_program->getUniformBlock(i);
+                    m_uniformBlockNameMaxLength = std::max(m_uniformBlockNameMaxLength, (Int)ubo.name.length());
+                }
             }
 
             // void ProgramObject::PreLink() {
diff --git a/MobileGL/MG_State/GLState/ProgramState/ProgramObject.h b/MobileGL/MG_State/GLState/ProgramState/ProgramObject.h
index e06c815b..76a65543 100644
--- a/MobileGL/MG_State/GLState/ProgramState/ProgramObject.h
+++ b/MobileGL/MG_State/GLState/ProgramState/ProgramObject.h
@@ -35,7 +35,9 @@ namespace MobileGL {
                 Bool GetValidateStatus() const { return m_validateStatus; }
                 Int GetActiveAtomicCounterCount() const { return m_program->getNumAtomicCounters(); }
                 Int GetActiveAttributesCount() const { return m_program->getNumPipeInputs(); }
+                Int GetActiveUniformBlocksCount() const { return m_program->getNumUniformBlocks(); }
                 Int GetActiveAttributesMaxLength() const { return m_attribInNameMaxLength; }
+                Int GetActiveUniformBlocksMaxLength() const { return m_uniformBlockNameMaxLength; }
             private:
                 void DoReflection();
                 // void PreLink();
@@ -57,9 +59,10 @@ namespace MobileGL {
                 Vector<Uint> m_uniformOffsets;
                 Vector<Uint8> m_uboScratch;
 
-                Int m_uniformNameMaxLength = 0;
                 Uint m_maxUniformLocation = 0;
+                Int m_uniformNameMaxLength = 0;
                 Int m_attribInNameMaxLength = 0;
+                Int m_uniformBlockNameMaxLength = 0;
 
                 String m_infoLog;
                 Bool m_deleteStatus = false;