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Hash : 8b9889bf
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Date : 2021-03-31T12:52:00
Fix multithreaded crash on draw commands on D3D11 backend. A crash can occur if thread A is executing eglDestroyContext while thread B issues a draw call, if the threads are interleaved in such a manner that a makeCurrent occurs without triggering a change to the global context and a dirtyAllState call. We handle that case by explicitly making current the proper contexts in the eglDestroyContext call. A test has been added that triggers a crash without this fix when running on the D3D11 backend. In addition, all of MultithreadingTest is enabled for the D3D11 backend. Test: Ran MultithreadingTest. Test exhibits a crash before this change, and does not after this change. Also ran: dEQP-EGL.functional.sharing.gles2.multithread.* dEQP-EGL.functional.multithread.* Bug: b/183756357 Change-Id: Ic6f76a062868b2f3b4e60d29dc087ec180bfb7cd Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2798591 Reviewed-by: Geoff Lang <geofflang@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org> Commit-Queue: Doug Horn <doughorn@google.com>
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Files
- egl_ext_stubs.cpp
- egl_ext_stubs_autogen.h
- egl_get_labeled_object_data.json
- egl_stubs.cpp
- egl_stubs_autogen.h
- entry_points_egl_autogen.cpp
- entry_points_egl_autogen.h
- entry_points_egl_ext_autogen.cpp
- entry_points_egl_ext_autogen.h
- entry_points_gles_1_0_autogen.cpp
- entry_points_gles_1_0_autogen.h
- entry_points_gles_2_0_autogen.cpp
- entry_points_gles_2_0_autogen.h
- entry_points_gles_3_0_autogen.cpp
- entry_points_gles_3_0_autogen.h
- entry_points_gles_3_1_autogen.cpp
- entry_points_gles_3_1_autogen.h
- entry_points_gles_3_2_autogen.cpp
- entry_points_gles_3_2_autogen.h
- entry_points_gles_ext_autogen.cpp
- entry_points_gles_ext_autogen.h
- global_state.cpp
- global_state.h
- libGLESv2.rc
- libGLESv2_autogen.cpp
- libGLESv2_autogen.def
- libGLESv2_no_capture_autogen.def
- libGLESv2_with_capture_autogen.def
- proc_table_egl.h
- proc_table_egl_autogen.cpp
- resource.h
