diff --git a/CMakeLists.txt b/CMakeLists.txt
index b7b244a9..c289434f 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -7,7 +7,7 @@ else()
 	cmake_policy(VERSION 3.9)
 endif()
 
-set(IRRLICHTMT_REVISION 9)
+set(IRRLICHTMT_REVISION 11)
 
 project(Irrlicht
 	VERSION 1.9.0.${IRRLICHTMT_REVISION}
diff --git a/include/IVideoDriver.h b/include/IVideoDriver.h
index 4f00f44b..9bf7afd8 100644
--- a/include/IVideoDriver.h
+++ b/include/IVideoDriver.h
@@ -57,10 +57,8 @@ namespace video
 		//! Projection transformation
 		ETS_PROJECTION,
 		//! Texture 0 transformation
-		//! Use ETS_TEXTURE_0 + texture_number to access other texture transformations
+		//! Use E_TRANSFORMATION_STATE(ETS_TEXTURE_0 + texture_number) to access other texture transformations
 		ETS_TEXTURE_0,
-		//! Texture 1 transformation
-		ETS_TEXTURE_1,
 		//! Only used internally
 		ETS_COUNT = ETS_TEXTURE_0 + MATERIAL_MAX_TEXTURES
 	};
diff --git a/include/IrrCompileConfig.h b/include/IrrCompileConfig.h
index 02712894..da3a6024 100644
--- a/include/IrrCompileConfig.h
+++ b/include/IrrCompileConfig.h
@@ -6,8 +6,8 @@
 #define __IRR_COMPILE_CONFIG_H_INCLUDED__
 
 //! Identifies the IrrlichtMt fork customized for the Minetest engine
-#define IRRLICHT_VERSION_MT_REVISION 9
-#define IRRLICHT_VERSION_MT "mt9"
+#define IRRLICHT_VERSION_MT_REVISION 11
+#define IRRLICHT_VERSION_MT "mt11"
 
 //! Irrlicht SDK Version
 #define IRRLICHT_VERSION_MAJOR 1
diff --git a/include/IrrlichtDevice.h b/include/IrrlichtDevice.h
index 07d4f9f8..c6a19787 100644
--- a/include/IrrlichtDevice.h
+++ b/include/IrrlichtDevice.h
@@ -14,6 +14,7 @@
 #include "ICursorControl.h"
 #include "ITimer.h"
 #include "IOSOperator.h"
+#include "IrrCompileConfig.h"
 
 namespace irr
 {
@@ -34,6 +35,7 @@ namespace irr
 
 	namespace video {
 		class IContextManager;
+		extern "C" IRRLICHT_API bool IRRCALLCONV isDriverSupported(E_DRIVER_TYPE driver);
 	} // end namespace video
 
 	//! The Irrlicht device. You can create it with createDevice() or createDeviceEx().
@@ -310,7 +312,7 @@ namespace irr
 		for a configuration requested when creating the device. */
 		static bool isDriverSupported(video::E_DRIVER_TYPE driver)
 		{
-			return true;
+			return video::isDriverSupported(driver);
 		}
 	};
 
diff --git a/source/Irrlicht/CMakeLists.txt b/source/Irrlicht/CMakeLists.txt
index a2ca46e4..a57258d2 100644
--- a/source/Irrlicht/CMakeLists.txt
+++ b/source/Irrlicht/CMakeLists.txt
@@ -6,13 +6,16 @@ option(USE_SDL2 "Use the SDL2 backend" FALSE)
 add_definitions(-DIRRLICHT_EXPORTS)
 if(BUILD_SHARED_LIBS)
 	if(WIN32)
-		add_definitions("-DIRRLICHT_API=__declspec(dllexport)")
+		set(API_IMPORT "__declspec(dllimport)")
+		set(API_EXPORT "__declspec(dllexport)")
 	elseif(CMAKE_CXX_COMPILER_ID MATCHES "^(GNU|Clang|AppleClang)$")
-		add_definitions("-DIRRLICHT_API=__attribute__ ((visibility(\"default\")))")
+		set(API_EXPORT "__attribute__ ((visibility(\"default\")))") # only necessary if default visibility is set to hidden
 	endif()
 else()
 	add_definitions(-D_IRR_STATIC_LIB_)
 endif()
+add_definitions("-DIRRLICHT_API=${API_EXPORT}")
+
 if(CMAKE_BUILD_TYPE STREQUAL "Debug")
 	add_definitions(-D_DEBUG)
 endif()
@@ -111,38 +114,32 @@ else()
 	set(DEVICE "X11")
 endif()
 
-if(USE_SDL2)
-	set(DEVICE "SDL")
-endif()
-
-option(USE_X11 "Use X11" TRUE)
-if(USE_X11)
-	add_definitions(-D_IRR_COMPILE_WITH_X11_)
-endif()
-
 if(LINUX_PLATFORM)
 	add_definitions(-D_IRR_LINUX_PLATFORM_)
 endif()
 
+if(USE_SDL2)
+	set(DEVICE "SDL")
+endif()
+
+add_definitions("-D_IRR_COMPILE_WITH_${DEVICE}_DEVICE_")
+
+# X11
+
+if(DEVICE STREQUAL "X11")
+	option(USE_X11 "Use X11" TRUE)
+else()
+	set(USE_X11 FALSE)
+endif()
+
 if(LINUX_PLATFORM AND USE_X11)
-	add_definitions(-D_IRR_COMPILE_WITH_X11_)
-
 	option(USE_XINPUT2 "Use XInput2" TRUE)
-	if(USE_XINPUT2)
-		add_definitions(-D_IRR_LINUX_X11_XINPUT2_)
-	endif()
-
 	option(USE_XCURSOR "Use XCursor" FALSE)
-	if(USE_XCURSOR)
-		add_definitions(-D_IRR_LINUX_XCURSOR_)
-	endif()
 else()
 	set(USE_XINPUT2 FALSE)
 	set(USE_XCURSOR FALSE)
 endif()
 
-add_definitions("-D_IRR_COMPILE_WITH_${DEVICE}_DEVICE_")
-
 # Joystick
 
 if(NOT (BSD OR SOLARIS OR EMSCRIPTEN))
@@ -208,7 +205,7 @@ endif()
 
 if(ENABLE_GLES1)
 	add_definitions(-D_IRR_COMPILE_WITH_OGLES1_)
-	if(DEVICE MATCHES "^WINDOWS|X11|ANDROID$")
+	if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$")
 		add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES1_USE_EXTPOINTER_)
 	elseif(DEVICE STREQUAL "IOS")
 		add_definitions(-D_IRR_COMPILE_WITH_EAGL_MANAGER_)
@@ -217,7 +214,7 @@ endif()
 
 if(ENABLE_GLES2)
 	add_definitions(-D_IRR_COMPILE_WITH_OGLES2_)
-	if(DEVICE MATCHES "^WINDOWS|X11|ANDROID$" OR EMSCRIPTEN)
+	if(DEVICE MATCHES "^(WINDOWS|X11|ANDROID)$" OR EMSCRIPTEN)
 		add_definitions(-D_IRR_COMPILE_WITH_EGL_MANAGER_ -D_IRR_OGLES2_USE_EXTPOINTER_)
 	elseif(DEVICE STREQUAL "IOS")
 		add_definitions(-D_IRR_COMPILE_WITH_EAGL_MANAGER_)
@@ -287,7 +284,7 @@ elseif(APPLE)
 else()
 	# Unix probably
 	find_package(X11 REQUIRED)
-	if(${USE_XINPUT2} AND NOT X11_Xi_FOUND)
+	if(USE_XINPUT2 AND NOT X11_Xi_FOUND)
 		message(FATAL_ERROR "XInput not found")
 	endif()
 endif()
@@ -462,6 +459,18 @@ elseif(APPLE)
 	)
 endif()
 
+if(USE_X11)
+	target_compile_definitions(IRROTHEROBJ PRIVATE _IRR_COMPILE_WITH_X11_)
+endif()
+
+if(USE_XINPUT2)
+	target_compile_definitions(IRROTHEROBJ PRIVATE _IRR_LINUX_X11_XINPUT2_)
+endif()
+
+if(USE_XCURSOR)
+	target_compile_definitions(IRROTHEROBJ PRIVATE _IRR_LINUX_XCURSOR_)
+endif()
+
 add_library(IRRGUIOBJ OBJECT
 	CGUIButton.cpp
 	CGUICheckBox.cpp
@@ -507,11 +516,9 @@ target_include_directories(IrrlichtMt
 target_link_libraries(IrrlichtMt PRIVATE ${link_libs})
 
 if(WIN32)
-	target_compile_definitions(IrrlichtMt INTERFACE _IRR_WINDOWS_API_)
-endif()
-if(WIN32 AND BUILD_SHARED_LIBS)
-	target_compile_definitions(IrrlichtMt INTERFACE IRRLICHT_API=__declspec(dllimport))
+	target_compile_definitions(IrrlichtMt INTERFACE _IRR_WINDOWS_API_) # used in _IRR_DEBUG_BREAK_IF definition in a public header
 endif()
+target_compile_definitions(IrrlichtMt INTERFACE "IRRLICHT_API=${API_IMPORT}")
 if(APPLE OR ANDROID OR EMSCRIPTEN)
 	target_compile_definitions(IrrlichtMt PUBLIC IRR_MOBILE_PATHS)
 endif()
diff --git a/source/Irrlicht/COGLES2FixedPipelineRenderer.cpp b/source/Irrlicht/COGLES2FixedPipelineRenderer.cpp
index 5b275d37..899dfd9a 100644
--- a/source/Irrlicht/COGLES2FixedPipelineRenderer.cpp
+++ b/source/Irrlicht/COGLES2FixedPipelineRenderer.cpp
@@ -176,7 +176,7 @@ void COGLES2MaterialSolid2CB::OnSetConstants(IMaterialRendererServices* services
 	core::matrix4 Matrix = driver->getTransform(ETS_TEXTURE_0);
 	services->setPixelShaderConstant(TMatrix0ID, Matrix.pointer(), 16);
 
-	Matrix = driver->getTransform(ETS_TEXTURE_1);
+	Matrix = driver->getTransform(E_TRANSFORMATION_STATE(ETS_TEXTURE_0 + 1));
 	services->setPixelShaderConstant(TMatrix1ID, Matrix.pointer(), 16);
 
 	services->setPixelShaderConstant(TextureUsage0ID, &TextureUsage0, 1);
@@ -223,7 +223,7 @@ void COGLES2MaterialLightmapCB::OnSetConstants(IMaterialRendererServices* servic
 	core::matrix4 Matrix = driver->getTransform(ETS_TEXTURE_0);
 	services->setPixelShaderConstant(TMatrix0ID, Matrix.pointer(), 16);
 
-	Matrix = driver->getTransform(ETS_TEXTURE_1);
+	Matrix = driver->getTransform(E_TRANSFORMATION_STATE(ETS_TEXTURE_0 + 1));
 	services->setPixelShaderConstant(TMatrix1ID, Matrix.pointer(), 16);
 
 	services->setPixelShaderConstant(ModulateID, &Modulate, 1);
diff --git a/source/Irrlicht/Irrlicht.cpp b/source/Irrlicht/Irrlicht.cpp
index 826414fb..50348e7f 100644
--- a/source/Irrlicht/Irrlicht.cpp
+++ b/source/Irrlicht/Irrlicht.cpp
@@ -113,6 +113,26 @@ namespace core
 namespace video
 {
 	SMaterial IdentityMaterial;
+
+	extern "C" IRRLICHT_API bool IRRCALLCONV isDriverSupported(E_DRIVER_TYPE driver)
+	{
+		switch (driver) {
+			case EDT_NULL: return true;
+#ifdef _IRR_COMPILE_WITH_OPENGL_
+			case EDT_OPENGL: return true;
+#endif
+#ifdef _IRR_COMPILE_WITH_OGLES1_
+			case EDT_OGLES1: return true;
+#endif
+#ifdef _IRR_COMPILE_WITH_OGLES2_
+			case EDT_OGLES2: return true;
+#endif
+#ifdef _IRR_COMPILE_WITH_WEBGL1_
+			case EDT_WEBGL1: return true;
+#endif
+			default: return false;
+		}
+	}
 }
 
 } // end namespace irr