diff options
Diffstat (limited to 'opengl/tools/glgen/src/GenerateGL.java')
| -rw-r--r-- | opengl/tools/glgen/src/GenerateGL.java | 164 |
1 files changed, 164 insertions, 0 deletions
diff --git a/opengl/tools/glgen/src/GenerateGL.java b/opengl/tools/glgen/src/GenerateGL.java new file mode 100644 index 0000000..657ee6e --- /dev/null +++ b/opengl/tools/glgen/src/GenerateGL.java @@ -0,0 +1,164 @@ +
+import java.io.*;
+import java.util.*;
+
+public class GenerateGL {
+
+ 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(int version, boolean ext, boolean pack,
+ CodeEmitter emitter,
+ BufferedReader specReader,
+ PrintStream glStream,
+ PrintStream glImplStream,
+ PrintStream cStream) throws Exception {
+ String s = null;
+ int counter = 0;
+ while ((s = specReader.readLine()) != null) {
+ if (s.trim().startsWith("//")) {
+ continue;
+ }
+
+ CFunc cfunc = CFunc.parseCFunc(s);
+
+ String fname = cfunc.getName();
+ File f = new File("stubs/" + fname +
+ ".java-1" + version + "-if");
+ if (f.exists()) {
+ System.out.println("Special-casing function " + fname);
+ copy("stubs/" + fname +
+ ".java-1" + version + "-if", glStream);
+ copy("stubs/" + fname + ".java-impl", glImplStream);
+ copy("stubs/" + fname + ".cpp", cStream);
+
+ // Register native function names
+ // This should be improved to require fewer discrete files
+ String filename = "stubs/" + fname + ".nativeReg";
+ BufferedReader br =
+ new BufferedReader(new FileReader(filename));
+ String nfunc;
+ while ((nfunc = br.readLine()) != null) {
+ emitter.addNativeRegistration(nfunc);
+ }
+ } else {
+ emitter.setVersion(version, ext, pack);
+ emitter.emitCode(cfunc, s);
+ }
+ }
+ }
+
+ public static void main(String[] args) throws Exception {
+ String classPathName = "com/google/android/gles_jni/GLImpl";
+ boolean useContextPointer = true;
+
+ int aidx = 0;
+ while (args[aidx].charAt(0) == '-') {
+ switch (args[aidx].charAt(1)) {
+ case 'c':
+ useContextPointer = false;
+ break;
+
+ default:
+ System.err.println("Unknown flag: " + args[aidx]);
+ System.exit(1);
+ }
+
+ aidx++;
+ }
+
+ System.out.println("useContextPointer = " + useContextPointer);
+
+ BufferedReader spec10Reader =
+ new BufferedReader(new FileReader(args[aidx++]));
+ BufferedReader spec10ExtReader =
+ new BufferedReader(new FileReader(args[aidx++]));
+ BufferedReader spec11Reader =
+ new BufferedReader(new FileReader(args[aidx++]));
+ BufferedReader spec11ExtReader =
+ new BufferedReader(new FileReader(args[aidx++]));
+ BufferedReader spec11ExtPackReader =
+ new BufferedReader(new FileReader(args[aidx++]));
+ BufferedReader checksReader =
+ new BufferedReader(new FileReader(args[aidx++]));
+
+ String gl10Filename = "javax/microedition/khronos/opengles/GL10.java";
+ String gl10ExtFilename =
+ "javax/microedition/khronos/opengles/GL10Ext.java";
+ String gl11Filename = "javax/microedition/khronos/opengles/GL11.java";
+ String gl11ExtFilename =
+ "javax/microedition/khronos/opengles/GL11Ext.java";
+ String gl11ExtPackFilename =
+ "javax/microedition/khronos/opengles/GL11ExtensionPack.java";
+ String glImplFilename = "com/google/android/gles_jni/GLImpl.java";
+ String cFilename = "com_google_android_gles_jni_GLImpl.cpp";
+
+ PrintStream gl10Stream =
+ new PrintStream(new FileOutputStream("out/" + gl10Filename));
+ PrintStream gl10ExtStream =
+ new PrintStream(new FileOutputStream("out/" + gl10ExtFilename));
+ PrintStream gl11Stream =
+ new PrintStream(new FileOutputStream("out/" + gl11Filename));
+ PrintStream gl11ExtStream =
+ new PrintStream(new FileOutputStream("out/" + gl11ExtFilename));
+ PrintStream gl11ExtPackStream =
+ new PrintStream(new FileOutputStream("out/" + gl11ExtPackFilename));
+ PrintStream glImplStream =
+ new PrintStream(new FileOutputStream("out/" + glImplFilename));
+ PrintStream cStream =
+ new PrintStream(new FileOutputStream("out/" + cFilename));
+
+ ParameterChecker checker = new ParameterChecker(checksReader);
+
+ CodeEmitter emitter =
+ new JniCodeEmitter(classPathName,
+ checker,
+ gl10Stream, gl10ExtStream,
+ gl11Stream, gl11ExtStream, gl11ExtPackStream,
+ glImplStream, cStream,
+ useContextPointer);
+
+ gl10Stream.println("/* //device/java/android/" + gl10Filename);
+ gl10ExtStream.println("/* //device/java/android/" + gl10ExtFilename);
+ gl11Stream.println("/* //device/java/android/" + gl11Filename);
+ gl11ExtStream.println("/* //device/java/android/" + gl11ExtFilename);
+ gl11ExtPackStream.println("/* //device/java/android/" +
+ gl11ExtPackFilename);
+ glImplStream.println("/* //device/java/android/" + glImplFilename);
+ cStream.println("/* //device/libs/android_runtime/" + cFilename);
+
+ copy("stubs/GL10Header.java-if", gl10Stream);
+ copy("stubs/GL10ExtHeader.java-if", gl10ExtStream);
+ copy("stubs/GL11Header.java-if", gl11Stream);
+ copy("stubs/GL11ExtHeader.java-if", gl11ExtStream);
+ copy("stubs/GL11ExtensionPackHeader.java-if", gl11ExtPackStream);
+ copy("stubs/GLImplHeader.java-impl", glImplStream);
+ copy("stubs/GLCHeader.cpp", cStream);
+
+ emit(0, false, false,
+ emitter, spec10Reader, gl10Stream, glImplStream, cStream);
+ emit(0, true, false,
+ emitter, spec10ExtReader, gl10ExtStream, glImplStream, cStream);
+ emit(1, false, false,
+ emitter, spec11Reader, gl11Stream, glImplStream, cStream);
+ emit(1, true, false,
+ emitter, spec11ExtReader, gl11ExtStream, glImplStream, cStream);
+ emit(1, true, true,
+ emitter, spec11ExtPackReader, gl11ExtPackStream, glImplStream,
+ cStream);
+
+ emitter.emitNativeRegistration();
+
+ gl10Stream.println("}");
+ gl10ExtStream.println("}");
+ gl11Stream.println("}");
+ gl11ExtStream.println("}");
+ gl11ExtPackStream.println("}");
+ glImplStream.println("}");
+ }
+}
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