tex 0 is legal.

Change-Id: I99f59aa0aff1986e86e0954bb61924895b9b044f
diff --git a/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmImp.cpp b/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmImp.cpp
index 6c38f25..8a507e5 100644
--- a/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmImp.cpp
+++ b/tools/emulator/opengl/host/libs/Translator/GLES_CM/GLEScmImp.cpp
@@ -167,8 +167,6 @@
 static TextureData* getTextureData(){
     GET_CTX_RET(NULL);
     unsigned int tex = ctx->getBindedTexture();
-    if (tex==0)
-        return NULL;
     TextureData *texData = NULL;
     ObjectDataPtr objData = thrd->shareGroup->getObjectData(TEXTURE,tex);
     if(!objData.Ptr()){