Generate new EGLExt class

Initially populated with EGL_ANDROID_presentation_time (moved from the
EGL14 class) and the ES-relevant parts of EGL_KHR_create_context.

Bug: 8678160
Change-Id: Ifed2ee3da264ca701ae1f4b309a0758f7fcc3acc

8 files changed, 195 insertions, 24 deletions

diff --git a/opengl/tools/glgen/gen b/opengl/tools/glgen/gen
index 29212c0..d236c1e 100755
--- a/opengl/tools/glgen/gen
+++ b/opengl/tools/glgen/gen
@@ -96,6 +96,7 @@ rm src/*.class
 pushd out > /dev/null
 mkdir classes
 javac -d classes    android/opengl/EGL14.java \
+                    android/opengl/EGLExt.java \
                     com/google/android/gles_jni/GLImpl.java \
                     javax/microedition/khronos/opengles/GL10.java \
                     javax/microedition/khronos/opengles/GL10Ext.java \
@@ -154,7 +155,7 @@ do
     compareGenerated ../../../../base/opengl/java/javax/microedition/khronos/opengles generated/javax/microedition/khronos/opengles $x
 done
 
-for x in EGL14 GLES10 GLES10Ext GLES11 GLES11Ext GLES20 GLES30
+for x in EGL14 EGLExt GLES10 GLES10Ext GLES11 GLES11Ext GLES20 GLES30
 do
     compareGenerated ../../../../base/opengl/java/android/opengl generated/android/opengl ${x}.java
     compareGenerated ../../../../base/core/jni generated/C android_opengl_${x}.cpp
diff --git a/opengl/tools/glgen/specs/egl/EGL14.spec b/opengl/tools/glgen/specs/egl/EGL14.spec
index aef0bcb..828e114 100644
--- a/opengl/tools/glgen/specs/egl/EGL14.spec
+++ b/opengl/tools/glgen/specs/egl/EGL14.spec
@@ -31,4 +31,3 @@ EGLBoolean eglWaitGL ( void )
 EGLBoolean eglWaitNative ( EGLint engine )
 EGLBoolean eglSwapBuffers ( EGLDisplay dpy, EGLSurface surface )
 EGLBoolean eglCopyBuffers ( EGLDisplay dpy, EGLSurface surface, EGLNativePixmapType target )
-EGLBoolean eglPresentationTimeANDROID ( EGLDisplay dpy, EGLSurface sur, EGLnsecsANDROID time )
diff --git a/opengl/tools/glgen/specs/egl/EGLExt.spec b/opengl/tools/glgen/specs/egl/EGLExt.spec
new file mode 100644
index 0000000..e4fc337
--- /dev/null
+++ b/opengl/tools/glgen/specs/egl/EGLExt.spec
@@ -0,0 +1 @@
+EGLBoolean eglPresentationTimeANDROID ( EGLDisplay dpy, EGLSurface sur, EGLnsecsANDROID time )
diff --git a/opengl/tools/glgen/src/GenerateEGL.java b/opengl/tools/glgen/src/GenerateEGL.java
index aaa748c..2ef3970 100644
--- a/opengl/tools/glgen/src/GenerateEGL.java
+++ b/opengl/tools/glgen/src/GenerateEGL.java
@@ -84,26 +84,26 @@ public class GenerateEGL {
         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();
+        for(String suffix: new String[] {"EGL14", "EGLExt"}) {
+            BufferedReader specReader = new BufferedReader(new FileReader(
+                    "specs/egl/" + suffix + ".spec"));
+            String egljFilename = "android/opengl/" + suffix + ".java";
+            String eglcFilename = "android_opengl_" + suffix + ".cpp";
+            PrintStream egljStream =
+                new PrintStream(new FileOutputStream("out/" + egljFilename));
+            PrintStream eglcStream =
+                new PrintStream(new FileOutputStream("out/" + eglcFilename));
+            copy("stubs/egl/" + suffix + "Header.java-if", egljStream);
+            copy("stubs/egl/" + suffix + "cHeader.cpp", eglcStream);
+            EGLCodeEmitter emitter = new EGLCodeEmitter(
+                    "android/opengl/" + suffix,
+                    checker, egljStream, eglcStream);
+            emit(emitter, specReader, egljStream, eglcStream);
+            emitter.emitNativeRegistration(
+                    "register_android_opengl_jni_" + suffix);
+            egljStream.println("}");
+            egljStream.close();
+            eglcStream.close();
+        }
     }
 }
diff --git a/opengl/tools/glgen/stubs/egl/EGL14Header.java-if b/opengl/tools/glgen/stubs/egl/EGL14Header.java-if
index 0c29d5c..f3bf220 100644
--- a/opengl/tools/glgen/stubs/egl/EGL14Header.java-if
+++ b/opengl/tools/glgen/stubs/egl/EGL14Header.java-if
@@ -1,4 +1,4 @@
-**
+/*
 ** Copyright 2012, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp b/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
index 5fda9f8..54de1e7 100644
--- a/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
+++ b/opengl/tools/glgen/stubs/egl/EGL14cHeader.cpp
@@ -1,3 +1,4 @@
+/*
 ** Copyright 2012, The Android Open Source Project
 **
 ** Licensed under the Apache License, Version 2.0 (the "License");
diff --git a/opengl/tools/glgen/stubs/egl/EGLExtHeader.java-if b/opengl/tools/glgen/stubs/egl/EGLExtHeader.java-if
new file mode 100644
index 0000000..a5a8968
--- /dev/null
+++ b/opengl/tools/glgen/stubs/egl/EGLExtHeader.java-if
@@ -0,0 +1,36 @@
+/*
+** Copyright 2013, 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
+
+package android.opengl;
+
+/**
+ * EGL Extensions
+ */
+public class EGLExt {
+
+    // EGL_KHR_create_context
+    public static final int EGL_CONTEXT_MAJOR_VERSION_KHR   = 0x3098;
+    public static final int EGL_CONTEXT_MINOR_VERSION_KHR   = 0x30FB;
+    public static final int EGL_CONTEXT_FLAGS_KHR           = 0x30FC;
+    public static final int EGL_OPENGL_ES3_BIT_KHR          = 0x0040;
+
+    native private static void _nativeClassInit();
+    static {
+        _nativeClassInit();
+    }
+
diff --git a/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp b/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp
new file mode 100644
index 0000000..5e1ffa1
--- /dev/null
+++ b/opengl/tools/glgen/stubs/egl/EGLExtcHeader.cpp
@@ -0,0 +1,133 @@
+/*
+** Copyright 2013, 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 <EGL/eglext.h>
+
+#include <gui/Surface.h>
+#include <gui/GLConsumer.h>
+#include <gui/Surface.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);
+}
+
+// --------------------------------------------------------------------------