3 files changed, 84 insertions, 0 deletions
diff --git a/native/android/Android.bp b/native/android/Android.bp
index 00fe6382fc17..4fb5e748aaac 100644
--- a/native/android/Android.bp
+++ b/native/android/Android.bp
@@ -48,6 +48,7 @@ cc_library_shared {
         "sensor.cpp",
         "sharedmem.cpp",
         "storage_manager.cpp",
+        "surface_texture.cpp",
         "trace.cpp",
     ],
 
diff --git a/native/android/libandroid.map.txt b/native/android/libandroid.map.txt
index 3d5ee39e37d3..d6dcd723e721 100644
--- a/native/android/libandroid.map.txt
+++ b/native/android/libandroid.map.txt
@@ -205,6 +205,14 @@ LIBANDROID {
     AStorageManager_mountObb;
     AStorageManager_new;
     AStorageManager_unmountObb;
+    ASurfaceTexture_acquireANativeWindow; # introduced=28
+    ASurfaceTexture_attachToGLContext; # introduced=28
+    ASurfaceTexture_detachFromGLContext; # introduced=28
+    ASurfaceTexture_fromSurfaceTexture; # introduced=28
+    ASurfaceTexture_getTimestamp; # introduced=28
+    ASurfaceTexture_getTransformMatrix; # introduced=28
+    ASurfaceTexture_release; # introduced=28
+    ASurfaceTexture_updateTexImage; # introduced=28
     ATrace_beginSection; # introduced=23
     ATrace_endSection; # introduced=23
     ATrace_isEnabled; # introduced=23
diff --git a/native/android/surface_texture.cpp b/native/android/surface_texture.cpp
new file mode 100644
index 000000000000..b26688190ccd
--- /dev/null
+++ b/native/android/surface_texture.cpp
@@ -0,0 +1,75 @@
+/*
+ * Copyright (C) 2018 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.
+ */
+
+#include <android/surface_texture.h>
+#include <android/surface_texture_jni.h>
+
+#define LOG_TAG "ASurfaceTexture"
+
+#include <utils/Log.h>
+
+#include <gui/GLConsumer.h>
+#include <gui/Surface.h>
+
+#include <android_runtime/android_graphics_SurfaceTexture.h>
+
+using namespace android;
+
+struct ASurfaceTexture {
+    sp<GLConsumer> consumer;
+    sp<IGraphicBufferProducer> producer;
+};
+
+ASurfaceTexture* ASurfaceTexture_fromSurfaceTexture(JNIEnv* env, jobject surfacetexture) {
+    if (!surfacetexture || !android_SurfaceTexture_isInstanceOf(env, surfacetexture)) {
+        return nullptr;
+    }
+    ASurfaceTexture* ast = new ASurfaceTexture;
+    ast->consumer = SurfaceTexture_getSurfaceTexture(env, surfacetexture);
+    ast->producer = SurfaceTexture_getProducer(env, surfacetexture);
+    return ast;
+}
+
+ANativeWindow* ASurfaceTexture_acquireANativeWindow(ASurfaceTexture* st) {
+    sp<Surface> surface = new Surface(st->producer);
+    ANativeWindow* win(surface.get());
+    ANativeWindow_acquire(win);
+    return win;
+}
+
+void ASurfaceTexture_release(ASurfaceTexture* st) {
+    delete st;
+}
+
+int ASurfaceTexture_attachToGLContext(ASurfaceTexture* st, uint32_t tex) {
+    return st->consumer->attachToContext(tex);
+}
+
+int ASurfaceTexture_detachFromGLContext(ASurfaceTexture* st) {
+    return st->consumer->detachFromContext();
+}
+
+int ASurfaceTexture_updateTexImage(ASurfaceTexture* st) {
+    return st->consumer->updateTexImage();
+}
+
+void ASurfaceTexture_getTransformMatrix(ASurfaceTexture* st, float mtx[16]) {
+    st->consumer->getTransformMatrix(mtx);
+}
+
+int64_t ASurfaceTexture_getTimestamp(ASurfaceTexture* st) {
+    return st->consumer->getTimestamp();
+}