Add missing reset to GL multi-view dirty bits.

This missing clear was costing quite a bit of performance on any use case that called for a lot of state changes. BUG=angleproject:2188 Change-Id: I98fa6c21728c1655fa9e1019ddc10ccfbdb594d8 Reviewed-on: https://chromium-review.googlesource.com/722422Reviewed-by: Frank Henigman <fjhenigman@chromium.org> Reviewed-by: Yuly Novikov <ynovikov@chromium.org> Commit-Queue: Jamie Madill <jmadill@chromium.org>

Add missing reset to GL multi-view dirty bits.
0741c0f1 · Jamie Madill · Commit Bot · a59fc19f · 0741c0f1
Commit 0741c0f1 authored Nov 02, 2017 by Jamie Madill Committed by Commit Bot Nov 02, 2017
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StateManagerGL.cpp src/libANGLE/renderer/gl/StateManagerGL.cpp +4 -0

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--- a/src/libANGLE/renderer/gl/StateManagerGL.cpp
+++ b/src/libANGLE/renderer/gl/StateManagerGL.cpp
@@ -1695,6 +1695,8 @@ void StateManagerGL::syncState(const gl::Context *context, const gl::State::Dirt
    }

    // Iterate over and resolve multi-view dirty bits.
+    if (mMultiviewDirtyBits.any())
+    {
        for (auto dirtyBit : mMultiviewDirtyBits)
        {
            switch (dirtyBit)
@@ -1724,6 +1726,8 @@ void StateManagerGL::syncState(const gl::Context *context, const gl::State::Dirt
                    UNREACHABLE();
            }
        }
+        mMultiviewDirtyBits.reset();
+    }

    const gl::State::DirtyBits &glAndLocalDirtyBits = (glDirtyBits | mLocalDirtyBits);