| // |
| // Copyright (c) 2002-2011 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/TranslatorESSL.h" |
| |
| #include "compiler/OutputESSL.h" |
| |
| TranslatorESSL::TranslatorESSL(ShShaderType type, ShShaderSpec spec) |
| : TCompiler(type, spec) { |
| } |
| |
| void TranslatorESSL::translate(TIntermNode* root) { |
| TInfoSinkBase& sink = getInfoSink().obj; |
| |
| // Write built-in extension behaviors. |
| writeExtensionBehavior(); |
| |
| // Write emulated built-in functions if needed. |
| getBuiltInFunctionEmulator().OutputEmulatedFunctionDefinition( |
| sink, getShaderType() == SH_FRAGMENT_SHADER); |
| |
| // Write array bounds clamping emulation if needed. |
| getArrayBoundsClamper().OutputClampingFunctionDefinition(sink); |
| |
| // Write translated shader. |
| TOutputESSL outputESSL(sink, getArrayIndexClampingStrategy(), getHashFunction(), getNameMap(), getSymbolTable()); |
| root->traverse(&outputESSL); |
| } |
| |
| void TranslatorESSL::writeExtensionBehavior() { |
| TInfoSinkBase& sink = getInfoSink().obj; |
| const TExtensionBehavior& extensionBehavior = getExtensionBehavior(); |
| for (TExtensionBehavior::const_iterator iter = extensionBehavior.begin(); |
| iter != extensionBehavior.end(); ++iter) { |
| if (iter->second != EBhUndefined) { |
| sink << "#extension " << iter->first << " : " |
| << getBehaviorString(iter->second) << "\n"; |
| } |
| } |
| } |