1 files changed, 55 insertions, 0 deletions
diff --git a/gfx/angle/checkout/src/compiler/translator/OutputESSL.cpp b/gfx/angle/checkout/src/compiler/translator/OutputESSL.cpp
new file mode 100644
index 0000000000..95c7e1e0be
--- /dev/null
+++ b/gfx/angle/checkout/src/compiler/translator/OutputESSL.cpp
@@ -0,0 +1,55 @@
+//
+// Copyright 2002 The ANGLE Project Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+//
+
+#include "compiler/translator/OutputESSL.h"
+
+namespace sh
+{
+
+TOutputESSL::TOutputESSL(TCompiler *compiler,
+                         TInfoSinkBase &objSink,
+                         const ShCompileOptions &compileOptions)
+    : TOutputGLSLBase(compiler, objSink, compileOptions)
+{}
+
+bool TOutputESSL::writeVariablePrecision(TPrecision precision)
+{
+    if (precision == EbpUndefined)
+        return false;
+
+    if (precision == EbpHigh && !isHighPrecisionSupported())
+    {
+        precision = EbpMedium;
+    }
+
+    TInfoSinkBase &out = objSink();
+    out << getPrecisionString(precision);
+    return true;
+}
+
+ImmutableString TOutputESSL::translateTextureFunction(const ImmutableString &name,
+                                                      const ShCompileOptions &option)
+{
+    // Check WEBGL_video_texture invocation first.
+    if (name == "textureVideoWEBGL")
+    {
+        if (option.takeVideoTextureAsExternalOES)
+        {
+            // TODO(http://anglebug.com/3889): Implement external image situation.
+            UNIMPLEMENTED();
+            return ImmutableString("");
+        }
+        else
+        {
+            // Default translating textureVideoWEBGL to texture2D.
+            return ImmutableString("texture2D");
+        }
+    }
+
+    return name;
+}
+
+}  // namespace sh