layers: Update ObjectTracker layer to be generated and support callbacks
Added some code to render_tests.cpp to support Dbg callbacks and ObjectTracker extensions, but code is #defined off by default.
diff --git a/tests/xglrenderframework.h b/tests/xglrenderframework.h
index 7c56068..d2ddae2 100644
--- a/tests/xglrenderframework.h
+++ b/tests/xglrenderframework.h
@@ -41,6 +41,7 @@
void DestroyQueryPool(XGL_QUERY_POOL pool, XGL_GPU_MEMORY mem);
XGL_DEVICE device() {return m_device->device();}
+ XGL_PHYSICAL_GPU gpu() {return objs[0];}
void CreateShader(XGL_PIPELINE_SHADER_STAGE stage, const char *shader_code, XGL_SHADER *pshader);
void InitPipeline();
void InitMesh( XGL_UINT32 numVertices, XGL_GPU_SIZE vbStride, const void* vertices );