Allow PixelCopy for a window from any View

Also make it actually async, and allow the bitmap
to be auto-allocated

Bug: 195673633
Test: PixelCopyTest CTS suite

Change-Id: Ie872f20c809eaaeb8dc32f3ec6347f21a9a7bc1a

1 files changed, 42 insertions, 0 deletions

diff --git a/libs/hwui/CopyRequest.h b/libs/hwui/CopyRequest.h
new file mode 100644
index 000000000000..5fbd5f900716
--- /dev/null
+++ b/libs/hwui/CopyRequest.h
@@ -0,0 +1,42 @@
+/*
+ * Copyright (C) 2022 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.
+ */
+
+#pragma once
+
+#include "Rect.h"
+#include "hwui/Bitmap.h"
+
+namespace android::uirenderer {
+
+// Keep in sync with PixelCopy.java codes
+enum class CopyResult {
+    Success = 0,
+    UnknownError = 1,
+    Timeout = 2,
+    SourceEmpty = 3,
+    SourceInvalid = 4,
+    DestinationInvalid = 5,
+};
+
+struct CopyRequest {
+    Rect srcRect;
+    CopyRequest(Rect srcRect) : srcRect(srcRect) {}
+    virtual ~CopyRequest() {}
+    virtual SkBitmap getDestinationBitmap(int srcWidth, int srcHeight) = 0;
+    virtual void onCopyFinished(CopyResult result) = 0;
+};
+
+}  // namespace android::uirenderer