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/stubs/egl/EGL14cHeader.cpp b/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
new file mode 100644
index 0000000..7904ac7
--- /dev/null
+++ b/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
@@ -0,0 +1,132 @@
+**
+** 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.
+*/
+
+// This source file is automatically generated
+
+#include "jni.h"
+#include "JNIHelp.h"
+#include <android_runtime/AndroidRuntime.h>
+#include <android_runtime/android_view_Surface.h>
+#include <android_runtime/android_graphics_SurfaceTexture.h>
+#include <utils/misc.h>
+
+#include <assert.h>
+#include <EGL/egl.h>
+
+#include <gui/Surface.h>
+#include <gui/SurfaceTexture.h>
+#include <gui/SurfaceTextureClient.h>
+
+#include <ui/ANativeObjectBase.h>
+
+static int initialized = 0;
+
+static jclass egldisplayClass;
+static jclass eglcontextClass;
+static jclass eglsurfaceClass;
+static jclass eglconfigClass;
+
+static jmethodID egldisplayGetHandleID;
+static jmethodID eglcontextGetHandleID;
+static jmethodID eglsurfaceGetHandleID;
+static jmethodID eglconfigGetHandleID;
+
+static jmethodID egldisplayConstructor;
+static jmethodID eglcontextConstructor;
+static jmethodID eglsurfaceConstructor;
+static jmethodID eglconfigConstructor;
+
+static jobject eglNoContextObject;
+static jobject eglNoDisplayObject;
+static jobject eglNoSurfaceObject;
+
+
+
+/* Cache method IDs each time the class is loaded. */
+
+static void
+nativeClassInit(JNIEnv *_env, jclass glImplClass)
+{
+    jclass egldisplayClassLocal = _env->FindClass("android/opengl/EGLDisplay");
+    egldisplayClass = (jclass) _env->NewGlobalRef(egldisplayClassLocal);
+    jclass eglcontextClassLocal = _env->FindClass("android/opengl/EGLContext");
+    eglcontextClass = (jclass) _env->NewGlobalRef(eglcontextClassLocal);
+    jclass eglsurfaceClassLocal = _env->FindClass("android/opengl/EGLSurface");
+    eglsurfaceClass = (jclass) _env->NewGlobalRef(eglsurfaceClassLocal);
+    jclass eglconfigClassLocal = _env->FindClass("android/opengl/EGLConfig");
+    eglconfigClass = (jclass) _env->NewGlobalRef(eglconfigClassLocal);
+
+    egldisplayGetHandleID = _env->GetMethodID(egldisplayClass, "getHandle", "()I");
+    eglcontextGetHandleID = _env->GetMethodID(eglcontextClass, "getHandle", "()I");
+    eglsurfaceGetHandleID = _env->GetMethodID(eglsurfaceClass, "getHandle", "()I");
+    eglconfigGetHandleID = _env->GetMethodID(eglconfigClass, "getHandle", "()I");
+
+
+    egldisplayConstructor = _env->GetMethodID(egldisplayClass, "<init>", "(I)V");
+    eglcontextConstructor = _env->GetMethodID(eglcontextClass, "<init>", "(I)V");
+    eglsurfaceConstructor = _env->GetMethodID(eglsurfaceClass, "<init>", "(I)V");
+    eglconfigConstructor = _env->GetMethodID(eglconfigClass, "<init>", "(I)V");
+
+    jobject localeglNoContextObject = _env->NewObject(eglcontextClass, eglcontextConstructor, (jint)EGL_NO_CONTEXT);
+    eglNoContextObject = _env->NewGlobalRef(localeglNoContextObject);
+    jobject localeglNoDisplayObject = _env->NewObject(egldisplayClass, egldisplayConstructor, (jint)EGL_NO_DISPLAY);
+    eglNoDisplayObject = _env->NewGlobalRef(localeglNoDisplayObject);
+    jobject localeglNoSurfaceObject = _env->NewObject(eglsurfaceClass, eglsurfaceConstructor, (jint)EGL_NO_SURFACE);
+    eglNoSurfaceObject = _env->NewGlobalRef(localeglNoSurfaceObject);
+
+
+    jclass eglClass = _env->FindClass("android/opengl/EGL14");
+    jfieldID noContextFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_CONTEXT", "Landroid/opengl/EGLContext;");
+    _env->SetStaticObjectField(eglClass, noContextFieldID, eglNoContextObject);
+
+    jfieldID noDisplayFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_DISPLAY", "Landroid/opengl/EGLDisplay;");
+    _env->SetStaticObjectField(eglClass, noDisplayFieldID, eglNoDisplayObject);
+
+    jfieldID noSurfaceFieldID = _env->GetStaticFieldID(eglClass, "EGL_NO_SURFACE", "Landroid/opengl/EGLSurface;");
+    _env->SetStaticObjectField(eglClass, noSurfaceFieldID, eglNoSurfaceObject);
+}
+
+static void *
+fromEGLHandle(JNIEnv *_env, jmethodID mid, jobject obj) {
+    if (obj == NULL){
+        jniThrowException(_env, "java/lang/IllegalArgumentException",
+                          "Object is set to null.");
+    }
+
+    return (void*) (_env->CallIntMethod(obj, mid));
+}
+
+static jobject
+toEGLHandle(JNIEnv *_env, jclass cls, jmethodID con, void * handle) {
+    if (cls == eglcontextClass &&
+       (EGLContext)handle == EGL_NO_CONTEXT) {
+           return eglNoContextObject;
+    }
+
+    if (cls == egldisplayClass &&
+       (EGLDisplay)handle == EGL_NO_DISPLAY) {
+           return eglNoDisplayObject;
+    }
+
+    if (cls == eglsurfaceClass &&
+       (EGLSurface)handle == EGL_NO_SURFACE) {
+           return eglNoSurfaceObject;
+    }
+
+    return _env->NewObject(cls, con, (jint)handle);
+}
+
+// --------------------------------------------------------------------------