From e96e0ecc42e96d9af184d6c08c2a3fb4097f8cc5 Mon Sep 17 00:00:00 2001
From: Swung0x48 <swung0x48@outlook.com>
Date: Mon, 11 Aug 2025 13:12:50 +0800
Subject: [PATCH] [Fix] (MG_State/Program): fix ShaderObject compilation error

---
 .../GLState/ProgramState/ShaderObject.cpp     |  5 +++-
 .../GLState/ProgramState/ShaderObject.h       | 25 +++++++++++++++++--
 2 files changed, 27 insertions(+), 3 deletions(-)

diff --git a/MobileGL/MG_State/GLState/ProgramState/ShaderObject.cpp b/MobileGL/MG_State/GLState/ProgramState/ShaderObject.cpp
index 0bf85db3..fd8a07fb 100644
--- a/MobileGL/MG_State/GLState/ProgramState/ShaderObject.cpp
+++ b/MobileGL/MG_State/GLState/ProgramState/ShaderObject.cpp
@@ -11,7 +11,10 @@ namespace MobileGL {
             void ShaderObject::Compile() {
                 using namespace MG_Util::ShaderTranspiler;
                 ShaderAttrib attrib{
-                    .sourceStr = m_source, .shaderType = GetGLShaderTypeByMGLShaderStage(m_stage), .flags = 0};
+                    .shaderType = GetGLShaderTypeByMGLShaderStage(m_stage),
+                    .sourceStr = m_source,
+                    .flags = 0
+                };
 
                 auto result = ShaderCompiler::CompileShader(attrib);
                 if (result) {
diff --git a/MobileGL/MG_State/GLState/ProgramState/ShaderObject.h b/MobileGL/MG_State/GLState/ProgramState/ShaderObject.h
index 7619f2b2..d473c097 100644
--- a/MobileGL/MG_State/GLState/ProgramState/ShaderObject.h
+++ b/MobileGL/MG_State/GLState/ProgramState/ShaderObject.h
@@ -10,7 +10,8 @@ namespace MobileGL {
                 TessEval,
                 Geometry,
                 Fragment,
-                Compute
+                Compute,
+                Unknown = -1
             };
 
             inline static GLenum GetGLShaderTypeByMGLShaderStage(ShaderStage stage) {
@@ -29,7 +30,27 @@ namespace MobileGL {
                     return GL_COMPUTE_SHADER;
                 default:
                     assert(false);
-                    return 0;
+                    return GL_FALSE;
+                }
+            }
+
+            inline static ShaderStage GetMGLShaderStageByGLShaderType(GLenum type) {
+                switch (type) {
+                    case GL_VERTEX_SHADER:
+                        return ShaderStage::Vertex;
+                    case GL_TESS_CONTROL_SHADER:
+                        return ShaderStage::TessControl;
+                    case GL_TESS_EVALUATION_SHADER:
+                        return ShaderStage::TessEval;
+                    case GL_GEOMETRY_SHADER:
+                        return ShaderStage::Geometry;
+                    case GL_FRAGMENT_SHADER:
+                        return ShaderStage::Fragment;
+                    case GL_COMPUTE_SHADER:
+                        return ShaderStage::Compute;
+                    default:
+                        assert(false);
+                        return ShaderStage::Unknown;
                 }
             }