Vulkan: Optimize getIndexRange

This function was unconditionally calling finishImpl(). This is changed to finishToSerial() to only wait until the serial that actually used the buffer. Bug: angleproject:3072 Change-Id: Ida89bb119b4ba6420f12404b911af0e3b4583a51 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/1993407 Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org> Reviewed-by: Jamie Madill <jmadill@chromium.org>

Vulkan: Optimize getIndexRange
5e33e647 · Shahbaz Youssefi · Commit Bot · 6b275406 · 5e33e647
Commit 5e33e647 authored Jan 09, 2020 by Shahbaz Youssefi Committed by Commit Bot Jan 11, 2020
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BufferVk.cpp src/libANGLE/renderer/vulkan/BufferVk.cpp +1 -1

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--- a/src/libANGLE/renderer/vulkan/BufferVk.cpp
+++ b/src/libANGLE/renderer/vulkan/BufferVk.cpp
@@ -288,7 +288,7 @@ angle::Result BufferVk::getIndexRange(const gl::Context *context,
    ANGLE_TRACE_EVENT0("gpu.angle", "BufferVk::getIndexRange");
    // Needed before reading buffer or we could get stale data.
-    ANGLE_TRY(contextVk->finishImpl());
+    ANGLE_TRY(contextVk->finishToSerial(mBuffer.getLatestSerial()));
    // TODO(jmadill): Consider keeping a shadow system memory copy in some cases.
    ASSERT(mBuffer.valid());