improve glgen tool to support EGL1.4
- added EGL1.4 bindings generation
- fixed bugs in GLES bindings
Bug: 6709865
Change-Id: I04ac63f652e1968a51eb833f47e00336ea449980
diff --git a/opengl/tools/glgen/src/GenerateEGL.java b/opengl/tools/glgen/src/GenerateEGL.java
new file mode 100644
index 0000000..aaa748c
--- /dev/null
+++ b/opengl/tools/glgen/src/GenerateEGL.java
@@ -0,0 +1,109 @@
+/*
+ * Copyright 2012 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+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 GenerateEGL {
+
+ private 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(EGLCodeEmitter 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/egl/" + 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/egl/checks.spec"));
+ ParameterChecker checker = new ParameterChecker(checksReader);
+
+
+ BufferedReader specReader =
+ new BufferedReader(new FileReader("specs/egl/EGL14.spec"));
+
+ String egljFilename = "android/opengl/EGL14.java";
+ String eglcFilename = "android_opengl_EGL14.cpp";
+ PrintStream egljStream =
+ new PrintStream(new FileOutputStream("out/" + egljFilename));
+ PrintStream eglcStream =
+ new PrintStream(new FileOutputStream("out/" + eglcFilename));
+ egljStream.println("/*");
+ eglcStream.println("/*");
+ copy("stubs/egl/EGL14Header.java-if", egljStream);
+ copy("stubs/egl/EGL14cHeader.cpp", eglcStream);
+ EGLCodeEmitter emitter = new EGLCodeEmitter(
+ "android/opengl/EGL14",
+ checker, egljStream, eglcStream);
+ emit(emitter, specReader, egljStream, eglcStream);
+ emitter.emitNativeRegistration("register_android_opengl_jni_EGL14");
+ egljStream.println("}");
+ egljStream.close();
+ eglcStream.close();
+ }
+}