1 // 2 // Copyright 2002 The ANGLE Project Authors. All rights reserved. 3 // Use of this source code is governed by a BSD-style license that can be 4 // found in the LICENSE file. 5 // 6 7 #include "compiler/translator/OutputESSL.h" 8 9 namespace sh 10 { 11 TOutputESSL(TCompiler * compiler,TInfoSinkBase & objSink,ShCompileOptions compileOptions)12TOutputESSL::TOutputESSL(TCompiler *compiler, 13 TInfoSinkBase &objSink, 14 ShCompileOptions compileOptions) 15 : TOutputGLSLBase(compiler, objSink, compileOptions) 16 {} 17 writeVariablePrecision(TPrecision precision)18bool TOutputESSL::writeVariablePrecision(TPrecision precision) 19 { 20 if (precision == EbpUndefined) 21 return false; 22 23 if (precision == EbpHigh && !isHighPrecisionSupported()) 24 { 25 precision = EbpMedium; 26 } 27 28 TInfoSinkBase &out = objSink(); 29 out << getPrecisionString(precision); 30 return true; 31 } 32 translateTextureFunction(const ImmutableString & name,const ShCompileOptions & option)33ImmutableString TOutputESSL::translateTextureFunction(const ImmutableString &name, 34 const ShCompileOptions &option) 35 { 36 // Check WEBGL_video_texture invocation first. 37 if (name == "textureVideoWEBGL") 38 { 39 if (option & SH_TAKE_VIDEO_TEXTURE_AS_EXTERNAL_OES) 40 { 41 // TODO(http://anglebug.com/3889): Implement external image situation. 42 UNIMPLEMENTED(); 43 return ImmutableString(""); 44 } 45 else 46 { 47 // Default translating textureVideoWEBGL to texture2D. 48 return ImmutableString("texture2D"); 49 } 50 } 51 52 return name; 53 } 54 55 } // namespace sh 56