1 /* 2 * Copyright (C) 2009 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 import java.io.PrintStream; 18 19 /** 20 * Emits a Java interface and Java & C implementation for a C function. 21 * 22 * <p> The Java interface will have Buffer and array variants for functions that 23 * have a typed pointer argument. The array variant will convert a single "<type> *data" 24 * argument to a pair of arguments "<type>[] data, int offset". 25 */ 26 public class Jsr239CodeEmitter extends JniCodeEmitter implements CodeEmitter { 27 28 PrintStream mJava10InterfaceStream; 29 PrintStream mJava10ExtInterfaceStream; 30 PrintStream mJava11InterfaceStream; 31 PrintStream mJava11ExtInterfaceStream; 32 PrintStream mJava11ExtPackInterfaceStream; 33 PrintStream mJavaImplStream; 34 PrintStream mCStream; 35 36 PrintStream mJavaInterfaceStream; 37 38 /** 39 * @param java10InterfaceStream the PrintStream to which to emit the Java interface for GL 1.0 functions 40 * @param java10ExtInterfaceStream the PrintStream to which to emit the Java interface for GL 1.0 extension functions 41 * @param java11InterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 functions 42 * @param java11ExtInterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 Extension functions 43 * @param java11ExtPackInterfaceStream the PrintStream to which to emit the Java interface for GL 1.1 Extension Pack functions 44 * @param javaImplStream the PrintStream to which to emit the Java implementation 45 * @param cStream the PrintStream to which to emit the C implementation 46 */ 47 public Jsr239CodeEmitter(String classPathName, 48 ParameterChecker checker, 49 PrintStream java10InterfaceStream, 50 PrintStream java10ExtInterfaceStream, 51 PrintStream java11InterfaceStream, 52 PrintStream java11ExtInterfaceStream, 53 PrintStream java11ExtPackInterfaceStream, 54 PrintStream javaImplStream, 55 PrintStream cStream, 56 boolean useContextPointer) { 57 mClassPathName = classPathName; 58 mChecker = checker; 59 mJava10InterfaceStream = java10InterfaceStream; 60 mJava10ExtInterfaceStream = java10ExtInterfaceStream; 61 mJava11InterfaceStream = java11InterfaceStream; 62 mJava11ExtInterfaceStream = java11ExtInterfaceStream; 63 mJava11ExtPackInterfaceStream = java11ExtPackInterfaceStream; 64 mJavaImplStream = javaImplStream; 65 mCStream = cStream; 66 mUseContextPointer = useContextPointer; 67 } 68 69 public void setVersion(int version, boolean ext, boolean pack) { 70 if (version == 0) { 71 mJavaInterfaceStream = ext ? mJava10ExtInterfaceStream : 72 mJava10InterfaceStream; 73 } else if (version == 1) { 74 mJavaInterfaceStream = ext ? 75 (pack ? mJava11ExtPackInterfaceStream : 76 mJava11ExtInterfaceStream) : 77 mJava11InterfaceStream; 78 } else { 79 throw new RuntimeException("Bad version: " + version); 80 } 81 } 82 83 public void emitCode(CFunc cfunc, String original) { 84 emitCode(cfunc, original, mJavaInterfaceStream, mJavaImplStream, mCStream); 85 } 86 87 public void emitNativeRegistration() { 88 emitNativeRegistration("register_com_google_android_gles_jni_GLImpl", mCStream); 89 } 90 } 91
