Android: Add interface for getting native EGL context
This CL also implements support for getting the native context on
EGL 1.4. It's a bit tricker to get the native handle for EGL 1.0 so it
will be done in a separate CL.
Bug: webrtc:8257
Change-Id: I269e75c357f19507098180077fa9d1b1ac4dce23
Reviewed-on: https://webrtc-review.googlesource.com/1880
Reviewed-by: Sami Kalliomäki <sakal@webrtc.org>
Commit-Queue: Magnus Jedvert <magjed@webrtc.org>
Cr-Commit-Position: refs/heads/master@{#19890}
diff --git a/sdk/android/api/org/webrtc/EglBase.java b/sdk/android/api/org/webrtc/EglBase.java
index 1f90588..23acdef 100644
--- a/sdk/android/api/org/webrtc/EglBase.java
+++ b/sdk/android/api/org/webrtc/EglBase.java
@@ -21,7 +21,7 @@
*/
public abstract class EglBase {
// EGL wrapper for an actual EGLContext.
- public static class Context {}
+ public interface Context { long getNativeEglContext(); }
// According to the documentation, EGL can be used from multiple threads at the same time if each
// thread has its own EGLContext, but in practice it deadlocks on some devices when doing this.
diff --git a/sdk/android/src/java/org/webrtc/EglBase10.java b/sdk/android/src/java/org/webrtc/EglBase10.java
index 8f1c5c6..d1d5439 100644
--- a/sdk/android/src/java/org/webrtc/EglBase10.java
+++ b/sdk/android/src/java/org/webrtc/EglBase10.java
@@ -37,9 +37,18 @@
private EGLSurface eglSurface = EGL10.EGL_NO_SURFACE;
// EGL wrapper for an actual EGLContext.
- public static class Context extends EglBase.Context {
+ public static class Context implements EglBase.Context {
private final EGLContext eglContext;
+ @Override
+ public long getNativeEglContext() {
+ // TODO(magjed): Implement. There is no easy way of getting the native context for EGL 1.0. We
+ // need to make sure to have an EglSurface, then make the context current using that surface,
+ // and then call into JNI and call the native version of eglGetCurrentContext. Then we need to
+ // restore the state and return the native context.
+ throw new RuntimeException("getNativeEglContext is not implemented for EGL 1.0");
+ }
+
public Context(EGLContext eglContext) {
this.eglContext = eglContext;
}
diff --git a/sdk/android/src/java/org/webrtc/EglBase14.java b/sdk/android/src/java/org/webrtc/EglBase14.java
index 92f0958..8c33056 100644
--- a/sdk/android/src/java/org/webrtc/EglBase14.java
+++ b/sdk/android/src/java/org/webrtc/EglBase14.java
@@ -43,9 +43,17 @@
return (CURRENT_SDK_VERSION >= EGLExt_SDK_VERSION);
}
- public static class Context extends EglBase.Context {
+ public static class Context implements EglBase.Context {
private final android.opengl.EGLContext egl14Context;
+ @Override
+ @SuppressWarnings("deprecation")
+ public long getNativeEglContext() {
+ return CURRENT_SDK_VERSION >= android.os.Build.VERSION_CODES.LOLLIPOP
+ ? egl14Context.getNativeHandle()
+ : egl14Context.getHandle();
+ }
+
public Context(android.opengl.EGLContext eglContext) {
this.egl14Context = eglContext;
}