surfaceflinger: add image abstraction to RenderEngine
Similar to Surface, Image manages the creation and destruction of an
EGLImageKHR.
Test: builds
Change-Id: I2ca98e99013f0a4028f0ea5036f37b20fd67d956
diff --git a/services/surfaceflinger/RenderEngine/Image.h b/services/surfaceflinger/RenderEngine/Image.h
new file mode 100644
index 0000000..f55aa59
--- /dev/null
+++ b/services/surfaceflinger/RenderEngine/Image.h
@@ -0,0 +1,53 @@
+/*
+ * Copyright 2017 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 <cstdint>
+
+#include <EGL/egl.h>
+#include <EGL/eglext.h>
+
+struct ANativeWindowBuffer;
+
+namespace android {
+
+class RenderEngine;
+
+namespace RE {
+
+class Image {
+public:
+ Image(const RenderEngine& engine);
+ ~Image();
+
+ Image(const Image&) = delete;
+ Image& operator=(const Image&) = delete;
+
+ bool setNativeWindowBuffer(ANativeWindowBuffer* buffer, bool isProtected, int32_t cropWidth,
+ int32_t cropHeight);
+
+private:
+ // methods internal to RenderEngine
+ friend class android::RenderEngine;
+ EGLSurface getEGLImage() const { return mEGLImage; }
+
+ EGLDisplay mEGLDisplay;
+ EGLImageKHR mEGLImage = EGL_NO_IMAGE_KHR;
+};
+
+} // namespace RE
+} // namespace android