Commit 5d7014e495f87b06d732f51a52f29f70c6076687
2020-06-05T15:38:47
Unmap buffers targeted by glBufferData When glBufferData is called on a mapped buffer, per the OpenGL ES 3.0 spec it is implicitly unmapped. Later calls to glMapBufferRange should not throw an error. This CL unmaps the buffer in BufferData if it is already mapped. Also adds a new test that verfies the behavior. Test: angle_end2end_tests --gtest_filter=BufferDataTestES3.BufferDataUnmap/* Test: Angry Birds 2 MEC Bug: angleproject:4599 Bug: b/157672184 Change-Id: I1a1e458aa5f50da4dfde9f6847f71cd5b6f6c08a Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2233365 Commit-Queue: Cody Northrop <cnorthrop@google.com> Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Manh Nguyen <nguyenmh@google.com>