Added "-debugrenderdevice" command line argument to write a logfile for the render device

Source/Core/General/General.cs

@@ -231,6 +231,7 @@ namespace CodeImp.DoomBuilder
 		private static bool delaymainwindow;
 		private static bool nosettings;
 		private static bool portablemode; //mxd
+		private static bool debugrenderdevice;
 
 		//misc
 		private static readonly Random random = new Random(); //mxd
@@ -275,6 +276,7 @@ namespace CodeImp.DoomBuilder
 		public static DataLocationList AutoLoadResources { get { return new DataLocationList(autoloadresources); } }
 		public static bool DelayMainWindow { get { return delaymainwindow; } }
 		public static bool NoSettings { get { return nosettings; } }
+		public static bool DebugRenderDevice { get { return debugrenderdevice; } }
 		public static EditingManager Editing { get { return editing; } }
 		public static ErrorLogger ErrorLogger { get { return errorlogger; } }
 		public static string CommitHash { get { return commithash; } } //mxd
@@ -956,6 +958,10 @@ namespace CodeImp.DoomBuilder
 					if(!string.IsNullOrEmpty(dl.location))
 						autoloadresources.Add(dl);
 				}
+				else if (string.Compare(curarg, "-DEBUGRENDERDEVICE", true) == 0)
+				{
+					debugrenderdevice = true;
+				}
 				// Every other arg
 				else
 				{

Source/Core/Rendering/RenderDevice.cs

@@ -134,7 +134,7 @@ namespace CodeImp.DoomBuilder.Rendering
                 display = (IntPtr)xplatui.GetField("DisplayHandle", BindingFlags.Static | BindingFlags.NonPublic).GetValue(null);
             }
 
-            Handle = RenderDevice_New(display, RenderTarget.Handle);
+            Handle = RenderDevice_New(display, RenderTarget.Handle, General.DebugRenderDevice);
             if (Handle == IntPtr.Zero)
             {
                 StringBuilder sb = new StringBuilder(4096);
@@ -571,7 +571,7 @@ namespace CodeImp.DoomBuilder.Rendering
         IntPtr Handle;
 
         [DllImport("BuilderNative", CallingConvention = CallingConvention.Cdecl)]
-        static extern IntPtr RenderDevice_New(IntPtr display, IntPtr window);
+        static extern IntPtr RenderDevice_New(IntPtr display, IntPtr window, bool debug);
 
         [DllImport("BuilderNative", CallingConvention = CallingConvention.Cdecl)]
         static extern void RenderDevice_Delete(IntPtr handle);

Source/Native/Backend.cpp

@@ -66,9 +66,9 @@ Backend* Backend::Get()
 
 extern "C"
 {
-	RenderDevice* RenderDevice_New(void* disp, void* window)
+	RenderDevice* RenderDevice_New(void* disp, void* window, bool debug)
 	{
-		return Backend::Get()->NewRenderDevice(disp, window);
+		return Backend::Get()->NewRenderDevice(disp, window, debug);
 	}
 
 	void RenderDevice_Delete(RenderDevice* device)

Source/Native/Backend.h

@@ -133,7 +133,7 @@ public:
 
 	static Backend* Get();
 
-	virtual RenderDevice* NewRenderDevice(void* disp, void* window) = 0;
+	virtual RenderDevice* NewRenderDevice(void* disp, void* window, bool debug) = 0;
 	virtual void DeleteRenderDevice(RenderDevice* device) = 0;
 
 	virtual VertexBuffer* NewVertexBuffer() = 0;

Source/Native/OpenGL/GLBackend.cpp

@@ -26,9 +26,9 @@
 #include "GLIndexBuffer.h"
 #include "GLTexture.h"
 
-RenderDevice* GLBackend::NewRenderDevice(void* disp, void* window)
+RenderDevice* GLBackend::NewRenderDevice(void* disp, void* window, bool debug)
 {
-	GLRenderDevice* device = new GLRenderDevice(disp, window);
+	GLRenderDevice* device = new GLRenderDevice(disp, window, debug);
 	if (!device->Context)
 	{
 		delete device;

Source/Native/OpenGL/GLBackend.h

@@ -26,7 +26,7 @@
 class GLBackend : public Backend
 {
 public:
-	RenderDevice* NewRenderDevice(void* disp, void* window) override;
+	RenderDevice* NewRenderDevice(void* disp, void* window, bool debug) override;
 	void DeleteRenderDevice(RenderDevice* device) override;
 
 	VertexBuffer* NewVertexBuffer() override;

Source/Native/OpenGL/GLRenderDevice.cpp

@@ -44,14 +44,16 @@ static const char* GLLogCheckNull(const GLubyte* str)
 	return str ? (const char*)str : "null";
 }
 
-GLRenderDevice::GLRenderDevice(void* disp, void* window)
+GLRenderDevice::GLRenderDevice(void* disp, void* window, bool debug)
 {
 	Context = IOpenGLContext::Create(disp, window);
 	if (Context)
 	{
 		Context->MakeCurrent();
 
-#ifdef _DEBUG
+//#ifdef _DEBUG
+		if (debug)
+		{
 			FILE* f = fopen("OpenGLDebug.log", "wb");
 			if (f)
 			{
@@ -64,7 +66,8 @@ GLRenderDevice::GLRenderDevice(void* disp, void* window)
 				glEnable(GL_DEBUG_OUTPUT);
 				glDebugMessageCallback(&GLLogCallback, nullptr);
 			}
-#endif
+		}
+//#endif
 
 		glGenVertexArrays(1, &mStreamVAO);
 		glGenBuffers(1, &mStreamVertexBuffer);

Source/Native/OpenGL/GLRenderDevice.h

@@ -35,7 +35,7 @@ class GLTexture;
 class GLRenderDevice : public RenderDevice
 {
 public:
-	GLRenderDevice(void* disp, void* window);
+	GLRenderDevice(void* disp, void* window, bool debug);
 	~GLRenderDevice();
 
 	void DeclareUniform(UniformName name, const char* glslname, UniformType type) override;