1 files changed, 109 insertions, 0 deletions
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();
+    }
+}