| |
| import java.io.BufferedReader; |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.FileReader; |
| import java.io.IOException; |
| import java.io.PrintStream; |
| |
| public class GenerateGLES { |
| |
| static void copy(String filename, PrintStream out) throws IOException { |
| BufferedReader br = new BufferedReader(new FileReader(filename)); |
| String s; |
| while ((s = br.readLine()) != null) { |
| out.println(s); |
| } |
| } |
| |
| private static void emit(GLESCodeEmitter emitter, |
| BufferedReader specReader, |
| PrintStream glStream, |
| PrintStream cStream) throws Exception { |
| String s = null; |
| while ((s = specReader.readLine()) != null) { |
| if (s.trim().startsWith("//")) { |
| continue; |
| } |
| |
| CFunc cfunc = CFunc.parseCFunc(s); |
| |
| String fname = cfunc.getName(); |
| String stubRoot = "stubs/gles11/" + fname; |
| String javaPath = stubRoot + ".java"; |
| File f = new File(javaPath); |
| if (f.exists()) { |
| System.out.println("Special-casing function " + fname); |
| copy(javaPath, glStream); |
| copy(stubRoot + ".cpp", cStream); |
| |
| // Register native function names |
| // This should be improved to require fewer discrete files |
| String filename = stubRoot + ".nativeReg"; |
| BufferedReader br = |
| new BufferedReader(new FileReader(filename)); |
| String nfunc; |
| while ((nfunc = br.readLine()) != null) { |
| emitter.addNativeRegistration(nfunc); |
| } |
| } else { |
| emitter.emitCode(cfunc, s); |
| } |
| } |
| } |
| |
| public static void main(String[] args) throws Exception { |
| int aidx = 0; |
| while ((aidx < args.length) && (args[aidx].charAt(0) == '-')) { |
| switch (args[aidx].charAt(1)) { |
| default: |
| System.err.println("Unknown flag: " + args[aidx]); |
| System.exit(1); |
| } |
| |
| aidx++; |
| } |
| |
| BufferedReader checksReader = |
| new BufferedReader(new FileReader("specs/gles11/checks.spec")); |
| ParameterChecker checker = new ParameterChecker(checksReader); |
| |
| // Generate files |
| for(String suffix: new String[] {"GLES10", "GLES10Ext", |
| "GLES11", "GLES11Ext"}) |
| { |
| BufferedReader spec11Reader = |
| new BufferedReader(new FileReader("specs/gles11/" |
| + suffix + ".spec")); |
| String gl11Filename = "android/opengl/" + suffix + ".java"; |
| String gl11cFilename = "android_opengl_" + suffix + ".cpp"; |
| PrintStream gl11Stream = |
| new PrintStream(new FileOutputStream("out/" + gl11Filename)); |
| PrintStream gl11cStream = |
| new PrintStream(new FileOutputStream("out/" + gl11cFilename)); |
| gl11Stream.println("/*"); |
| gl11cStream.println("/*"); |
| copy("stubs/gles11/" + suffix + "Header.java-if", gl11Stream); |
| copy("stubs/gles11/" + suffix + "cHeader.cpp", gl11cStream); |
| GLESCodeEmitter emitter = new GLESCodeEmitter( |
| "android/opengl/" + suffix, |
| checker, gl11Stream, gl11cStream); |
| emit(emitter, spec11Reader, gl11Stream, gl11cStream); |
| emitter.emitNativeRegistration("register_android_opengl_jni_" |
| + suffix); |
| gl11Stream.println("}"); |
| gl11Stream.close(); |
| gl11cStream.close(); |
| } |
| } |
| } |