diff --git a/src/cairo-wgl-context.c b/src/cairo-wgl-context.c
index 4872374..5a1bad6 100644
--- a/src/cairo-wgl-context.c
+++ b/src/cairo-wgl-context.c
@@ -259,3 +259,22 @@ cairo_gl_surface_create_for_dc (cairo_device_t	*device,
 
     return &surface->base.base;
 }
+
+static PFNGLACTIVETEXTUREARBPROC _glActiveTextureARB = NULL;
+static PFNGLBLENDFUNCSEPARATEPROC _glBlendFuncSeparate = NULL;
+
+void InitWGLStuff()
+{
+    _glActiveTextureARB = (PFNGLACTIVETEXTUREARBPROC)wglGetProcAddress((LPCSTR)"glActiveTextureARB");
+    _glBlendFuncSeparate = (PFNGLBLENDFUNCSEPARATEPROC)wglGetProcAddress((LPCSTR)"glBlendFuncSeparate");
+}
+
+GLAPI void APIENTRY glActiveTexture(GLenum texture)
+{
+    (*_glActiveTextureARB)(texture);
+}
+
+GLAPI void APIENTRY glBlendFuncSeparate(GLenum sfactorRGB, GLenum dfactorRGB, GLenum sfactorAlpha, GLenum dfactorAlpha)
+{
+    (*_glBlendFuncSeparate)(sfactorRGB, dfactorRGB, sfactorAlpha, dfactorAlpha);
+}
diff --git a/src/win32/cairo-win32-system.c b/src/win32/cairo-win32-system.c
index 8785530..a2c01d0 100644
--- a/src/win32/cairo-win32-system.c
+++ b/src/win32/cairo-win32-system.c
@@ -61,6 +61,8 @@
 
 #include <windows.h>
 
+void InitWGLStuff();
+
 /* declare to avoid "no previous prototype for 'DllMain'" warning */
 BOOL WINAPI
 DllMain (HINSTANCE hinstDLL,
@@ -75,6 +77,7 @@ DllMain (HINSTANCE hinstDLL,
     switch (fdwReason) {
         case DLL_PROCESS_ATTACH:
             CAIRO_MUTEX_INITIALIZE ();
+            InitWGLStuff();
             break;
 
         case DLL_PROCESS_DETACH: