[HWUI] remove libui from HWUI's dependencies
Bug: 136263238
Test: builds
Test: interact with device
Change-Id: I18540f78a4ee5ffcc30c96ff7862480e1d8fe50a
diff --git a/libs/hwui/utils/NdkUtils.h b/libs/hwui/utils/NdkUtils.h
new file mode 100644
index 0000000..f218eb2
--- /dev/null
+++ b/libs/hwui/utils/NdkUtils.h
@@ -0,0 +1,38 @@
+/*
+ * Copyright 2020 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 <android/hardware_buffer.h>
+
+#include <memory>
+
+namespace android {
+namespace uirenderer {
+
+// Deleter for an AHardwareBuffer, to be passed to an std::unique_ptr.
+struct AHardwareBuffer_deleter {
+ void operator()(AHardwareBuffer* ahb) const { AHardwareBuffer_release(ahb); }
+};
+
+using UniqueAHardwareBuffer = std::unique_ptr<AHardwareBuffer, AHardwareBuffer_deleter>;
+
+// Allocates a UniqueAHardwareBuffer with the provided buffer description.
+// Returns nullptr if allocation did not succeed.
+UniqueAHardwareBuffer allocateAHardwareBuffer(const AHardwareBuffer_Desc& desc);
+
+} // namespace uirenderer
+} // namespace android