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Add ability to make SyncFence from EGL

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Bug: 217776226
Test: atest android.graphics.cts.EGL15Test#testEGL15AndroidNativeFence
Change-Id: I5e1356739831f63426521561c45e719fc5f419d9
This commit is contained in:
John Reck
2022-02-10 14:22:57 -05:00
parent 4f2645ae1b
commit 1ce46f750a
7 changed files with 311 additions and 98 deletions
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40
opengl/java/android/opengl/EGLExt.java
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@@ -18,6 +18,11 @@
package android.opengl;
import android.annotation.NonNull;
import android.hardware.SyncFence;
import android.os.ParcelFileDescriptor;
import android.util.Log;
/**
* EGL Extensions
*/
@@ -30,6 +35,12 @@ public class EGLExt {
public static final int EGL_OPENGL_ES3_BIT_KHR = 0x0040;
public static final int EGL_RECORDABLE_ANDROID = 0x3142;
// EGL_ANDROID_native_fence_sync
public static final int EGL_SYNC_NATIVE_FENCE_ANDROID = 0x3144;
public static final int EGL_SYNC_NATIVE_FENCE_FD_ANDROID = 0x3145;
public static final int EGL_SYNC_NATIVE_FENCE_SIGNALED_ANDROID = 0x3146;
public static final int EGL_NO_NATIVE_FENCE_FD_ANDROID = -1;
native private static void _nativeClassInit();
static {
_nativeClassInit();
@@ -43,4 +54,33 @@ public class EGLExt {
long time
);
/**
* Retrieves the SyncFence for an EGLSync created with EGL_SYNC_NATIVE_FENCE_ANDROID
*
* See <a href="https://www.khronos.org/registry/EGL/extensions/ANDROID/EGL_ANDROID_native_fence_sync.txt">
* EGL_ANDROID_native_fence_sync</a> extension for more details
* @param display The EGLDisplay connection
* @param sync The EGLSync to fetch the SyncFence from
* @return A SyncFence representing the native fence.
* * If <sync> is not a valid sync object for <display>,
* an {@link SyncFence#isValid() invalid} SyncFence is returned and an EGL_BAD_PARAMETER
* error is generated.
* * If the EGL_SYNC_NATIVE_FENCE_FD_ANDROID attribute of <sync> is
* EGL_NO_NATIVE_FENCE_FD_ANDROID, an {@link SyncFence#isValid() invalid} SyncFence is
* returned and an EGL_BAD_PARAMETER error is generated.
* * If <display> does not match the display passed to eglCreateSync
* when <sync> was created, the behaviour is undefined.
*/
public static @NonNull SyncFence eglDupNativeFenceFDANDROID(@NonNull EGLDisplay display,
@NonNull EGLSync sync) {
int fd = eglDupNativeFenceFDANDROIDImpl(display, sync);
Log.d("EGL", "eglDupNativeFence returned " + fd);
if (fd >= 0) {
return SyncFence.create(ParcelFileDescriptor.adoptFd(fd));
} else {
return SyncFence.createEmpty();
}
}
private static native int eglDupNativeFenceFDANDROIDImpl(EGLDisplay display, EGLSync sync);
}