Bug 1404232 - Add mGL->MakeCurrent() calling in SetGLContext() r=jrmuizel

gfx/webrender_bindings/RenderD3D11TextureHostOGL.cpp

@@ -65,6 +65,7 @@ RenderDXGITextureHostOGL::SetGLContext(gl::GLContext* aContext)
     // Release the texture handle in the previous gl context.
     DeleteTextureHandle();
     mGL = aContext;
+    mGL->MakeCurrent();
   }
 }
 
@@ -291,6 +292,7 @@ RenderDXGIYCbCrTextureHostOGL::SetGLContext(gl::GLContext* aContext)
     // Release the texture handle in the previous gl context.
     DeleteTextureHandle();
     mGL = aContext;
+    mGL->MakeCurrent();
   }
 }
 

gfx/webrender_bindings/RenderMacIOSurfaceTextureHostOGL.cpp

@@ -105,6 +105,7 @@ RenderMacIOSurfaceTextureHostOGL::SetGLContext(gl::GLContext* aContext)
     // release the texture handle in the previous gl context
     DeleteTextureHandle();
     mGL = aContext;
+    mGL->MakeCurrent();
   }
 }