Simple PipelineBarrier implementation
Simple PipelineBarrier implementation

The simplest PipelineBarrier implementation is to call Renderer::synchronize().
This removes the synchronization mechanism from the draw commands, while still
allowing the tests to pass successfully.

Bug b/118619338

Change-Id: If7d9c14170db6f9a74a54c45a978d3ce78a1cdca
Reviewed-on: https://swiftshader-review.googlesource.com/c/25608
Tested-by: Alexis Hétu <1c7141772178a7e80858c3db5052b328076f08f4@google.com>
Kokoro-Presubmit: kokoro <2ac7b1f3fa578934c95181d4272be0d3bca00121@google.com>
Reviewed-by: Chris Forbes <c3279c50043e18e9442c1ae071cafa0e7a4ca967@google.com>

bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,bkaradzic/SwiftShader,google/swiftshader,bkaradzic/SwiftShader,google/swiftshader,google/swiftshader