GLES1: caps: Use GLES3 spec shader compiler

If we attempt to compile the GLES1 emulation shader when the client version is 1, we use the webgl 1 / GLES2 spec, not the GLES3 spec that we use for GLES1 emulation. This CL adds a case in Compiler.cpp for ES 1 contexts to use the higher spec shader compiler. BUG=angleproject:2306 Change-Id: I86fe534dd405279155bd81680fed77b8f9a09042 Reviewed-on: https://chromium-review.googlesource.com/925548Reviewed-by: Lingfeng Yang <lfy@google.com> Reviewed-by: Geoff Lang <geofflang@chromium.org> Commit-Queue: Lingfeng Yang <lfy@google.com>

GLES1: caps: Use GLES3 spec shader compiler
e05ffdd1 · Lingfeng Yang · Commit Bot · a5d583e9 · e05ffdd1
Commit e05ffdd1 authored Feb 19, 2018 by Lingfeng Yang Committed by Commit Bot Mar 05, 2018
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Compiler.cpp src/libANGLE/Compiler.cpp +7 -0

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--- a/src/libANGLE/Compiler.cpp
+++ b/src/libANGLE/Compiler.cpp
@@ -36,6 +36,13 @@ ShShaderSpec SelectShaderSpec(GLint majorVersion, GLint minorVersion, bool isWeb
            return isWebGL ? SH_WEBGL2_SPEC : SH_GLES3_SPEC;
        }
    }
+    // GLES1 emulation: Use GLES3 shader spec.
+    if (!isWebGL && majorVersion == 1)
+    {
+        return SH_GLES3_SPEC;
+    }
    return isWebGL ? SH_WEBGL_SPEC : SH_GLES2_SPEC;
 }