4 files changed, 7 insertions, 0 deletions
diff --git a/src/render/mgl.hpp b/src/render/mgl.hpp
index 47ad276d3..118b9491c 100644
--- a/src/render/mgl.hpp
+++ b/src/render/mgl.hpp
@@ -103,6 +103,7 @@ defName(glTextureSubImage2D);
 defName(glClearTexImage);
 defName(glClearTexSubImage);
 defName(glBindAttribLocation);
+defName(glActiveTexture);
 #ifdef WIN32
 defName(wglGetExtensionsString);
 #endif
diff --git a/src/render/mglemu.cpp b/src/render/mglemu.cpp
index 30330d9a5..4b46b341b 100644
--- a/src/render/mglemu.cpp
+++ b/src/render/mglemu.cpp
@@ -40,4 +40,8 @@ void APIENTRY emuglTextureSubImage2D(GLuint texture, GLenum target,
         format, type, pixels);
 }
 
+void APIENTRY emuglActiveTexture (GLenum texture A_UNUSED)
+{
+}
+
 #endif
diff --git a/src/render/mglemu.h b/src/render/mglemu.h
index f22877939..536a02011 100644
--- a/src/render/mglemu.h
+++ b/src/render/mglemu.h
@@ -31,6 +31,7 @@ void APIENTRY emuglTextureSubImage2D(GLuint texture, GLenum target,
                                      GLenum format, GLenum type,
                                      const void *pixels);
 
+void APIENTRY emuglActiveTexture (GLenum texture);
 
 #endif  // USE_OPENGL
 #endif  // RENDER_MGLEMU_H
diff --git a/src/render/mgltypes.h b/src/render/mgltypes.h
index 6b55f4430..479f5e177 100644
--- a/src/render/mgltypes.h
+++ b/src/render/mgltypes.h
@@ -187,6 +187,7 @@ typedef void (APIENTRY *glClearTexSubImage_t) (GLuint texture, GLint level,
     GLsizei depth, GLenum format, GLenum type, const void * data);
 typedef void (APIENTRY *glBindAttribLocation_t) (GLuint program,
     GLuint index, const GLchar *name);
+typedef void (APIENTRY *glActiveTexture_t) (GLenum texture);
 
 // callback
 typedef void (APIENTRY *GLDEBUGPROC_t) (GLenum source, GLenum type, GLuint id,