michael@0: //
michael@0: // Copyright (c) 2002-2011 The ANGLE Project Authors. All rights reserved.
michael@0: // Use of this source code is governed by a BSD-style license that can be
michael@0: // found in the LICENSE file.
michael@0: //
michael@0: 
michael@0: #include "compiler/TranslatorESSL.h"
michael@0: 
michael@0: #include "compiler/OutputESSL.h"
michael@0: 
michael@0: TranslatorESSL::TranslatorESSL(ShShaderType type, ShShaderSpec spec)
michael@0:     : TCompiler(type, spec) {
michael@0: }
michael@0: 
michael@0: void TranslatorESSL::translate(TIntermNode* root) {
michael@0:     TInfoSinkBase& sink = getInfoSink().obj;
michael@0: 
michael@0:     // Write built-in extension behaviors.
michael@0:     writeExtensionBehavior();
michael@0: 
michael@0:     // Write emulated built-in functions if needed.
michael@0:     getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition(
michael@0:         sink, getShaderType() == SH_FRAGMENT_SHADER);
michael@0: 
michael@0:     // Write array bounds clamping emulation if needed.
michael@0:     getArrayBoundsClamper().OutputClampingFunctionDefinition(sink);
michael@0: 
michael@0:     // Write translated shader.
michael@0:     TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable());
michael@0:     root->traverse(&outputESSL);
michael@0: }
michael@0: 
michael@0: void TranslatorESSL::writeExtensionBehavior() {
michael@0:     TInfoSinkBase& sink = getInfoSink().obj;
michael@0:     const TExtensionBehavior& extensionBehavior = getExtensionBehavior();
michael@0:     for (TExtensionBehavior::const_iterator iter = extensionBehavior.begin();
michael@0:          iter != extensionBehavior.end(); ++iter) {
michael@0:         if (iter->second != EBhUndefined) {
michael@0:             sink << "#extension " << iter->first << " : "
michael@0:                  << getBehaviorString(iter->second) << "\n";
michael@0:         }
michael@0:     }
michael@0: }