Fix end2end tests VertexAttribute* failure

VertexAttributeTests used 'mediump' precision to sample ushort with 65533/65534/65535 which exceed the range defined in ESSL Spec. (Spec "4.5.2 Precision Qualifiers") Change precision of attribute 'test' and 'expected' to 'highp' for numbers that exceed the minimum range. Bug: angleproject:5211 Change-Id: I01e5c999ec43d17a7390835d2ac88ce2bc0b4c5b Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2491621Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Shahbaz Youssefi <syoussefi@chromium.org> Commit-Queue: Shahbaz Youssefi <syoussefi@chromium.org>

Fix end2end tests VertexAttribute* failure
883276cc · Xiaoxuan Liu · Commit Bot · c550e3a2 · 883276cc
Commit 883276cc authored Oct 21, 2020 by Xiaoxuan Liu Committed by Commit Bot Oct 22, 2020
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VertexAttributeTest.cpp src/tests/gl_tests/VertexAttributeTest.cpp +2 -2

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--- a/src/tests/gl_tests/VertexAttributeTest.cpp
+++ b/src/tests/gl_tests/VertexAttributeTest.cpp
@@ -366,8 +366,8 @@ class VertexAttributeTest : public ANGLETest
    {
        constexpr char kVS[] =
            "attribute mediump vec4 position;\n"
-            "attribute mediump vec4 test;\n"
-            "attribute mediump vec4 expected;\n"
+            "attribute highp vec4 test;\n"
+            "attribute highp vec4 expected;\n"
            "varying mediump vec4 color;\n"
            "void main(void)\n"
            "{\n"