Merge Android R (rvc-dev-plus-aosp-without-vendor@6692709)

Bug: 166295507
Merged-In: I3d92a6de21a938f6b352ec26dc23420c0fe02b27
Change-Id: Ifdb80563ef042738778ebb8a7581a97c4e3d96e2

1 files changed, 146 insertions, 0 deletions

diff --git a/libs/hwui/apex/include/android/graphics/bitmap.h b/libs/hwui/apex/include/android/graphics/bitmap.h
new file mode 100644
index 000000000000..8c4b439d2a2b
--- /dev/null
+++ b/libs/hwui/apex/include/android/graphics/bitmap.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (C) 2019 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.
+ */
+#ifndef ANDROID_GRAPHICS_BITMAP_H
+#define ANDROID_GRAPHICS_BITMAP_H
+
+#include <android/bitmap.h>
+#include <android/data_space.h>
+#include <cutils/compiler.h>
+#include <jni.h>
+#include <sys/cdefs.h>
+
+struct AHardwareBuffer;
+
+__BEGIN_DECLS
+
+/**
+ * Opaque handle for a native graphics bitmap.
+ */
+typedef struct ABitmap ABitmap;
+
+/**
+ * Retrieve bitmapInfo for the provided java bitmap even if it has been recycled.  In the case of a
+ * recycled bitmap the values contained in the bitmap before it was recycled are returned.
+ *
+ * NOTE: This API does not need to remain as an APEX API if/when we pull libjnigraphics into the
+ *       UI module.
+ */
+ANDROID_API AndroidBitmapInfo ABitmap_getInfoFromJava(JNIEnv* env, jobject bitmapObj);
+
+/**
+ *
+ * @return ptr to an opaque handle to the native bitmap or null if the java bitmap has been recycled
+ *         or does not exist.
+ */
+ANDROID_API ABitmap* ABitmap_acquireBitmapFromJava(JNIEnv* env, jobject bitmapObj);
+
+ANDROID_API ABitmap* ABitmap_copy(ABitmap* srcBitmap, AndroidBitmapFormat dstFormat);
+
+ANDROID_API void ABitmap_acquireRef(ABitmap* bitmap);
+ANDROID_API void ABitmap_releaseRef(ABitmap* bitmap);
+
+ANDROID_API AndroidBitmapInfo ABitmap_getInfo(ABitmap* bitmap);
+ANDROID_API ADataSpace ABitmap_getDataSpace(ABitmap* bitmap);
+
+ANDROID_API void* ABitmap_getPixels(ABitmap* bitmap);
+ANDROID_API void ABitmap_notifyPixelsChanged(ABitmap* bitmap);
+
+ANDROID_API AndroidBitmapFormat ABitmapConfig_getFormatFromConfig(JNIEnv* env, jobject bitmapConfigObj);
+ANDROID_API jobject ABitmapConfig_getConfigFromFormat(JNIEnv* env, AndroidBitmapFormat format);
+
+// NDK access
+ANDROID_API int ABitmap_compress(const AndroidBitmapInfo* info, ADataSpace dataSpace, const void* pixels,
+                     AndroidBitmapCompressFormat format, int32_t quality, void* userContext,
+                     AndroidBitmap_CompressWriteFunc);
+/**
+ *  Retrieve the native object associated with a HARDWARE Bitmap.
+ *
+ *  Client must not modify it while a Bitmap is wrapping it.
+ *
+ *  @param bitmap Handle to an android.graphics.Bitmap.
+ *  @return on success, a pointer to the
+ *         AHardwareBuffer associated with bitmap. This acquires
+ *         a reference on the buffer, and the client must call
+ *         AHardwareBuffer_release when finished with it.
+ */
+ANDROID_API AHardwareBuffer* ABitmap_getHardwareBuffer(ABitmap* bitmap);
+
+__END_DECLS
+
+#ifdef	__cplusplus
+namespace android {
+namespace graphics {
+    class Bitmap {
+    public:
+        Bitmap() : mBitmap(nullptr) {}
+        Bitmap(JNIEnv* env, jobject bitmapObj) :
+                mBitmap(ABitmap_acquireBitmapFromJava(env, bitmapObj)) {}
+        Bitmap(const Bitmap& src) : mBitmap(src.mBitmap) { ABitmap_acquireRef(src.mBitmap); }
+        ~Bitmap() { ABitmap_releaseRef(mBitmap); }
+
+        // copy operator
+        Bitmap& operator=(const Bitmap& other) {
+            if (&other != this) {
+                ABitmap_releaseRef(mBitmap);
+                mBitmap = other.mBitmap;
+                ABitmap_acquireRef(mBitmap);
+            }
+            return *this;
+        }
+
+        // move operator
+        Bitmap& operator=(Bitmap&& other) {
+            if (&other != this) {
+                ABitmap_releaseRef(mBitmap);
+                mBitmap = other.mBitmap;
+                other.mBitmap = nullptr;
+            }
+            return *this;
+        }
+
+        Bitmap copy(AndroidBitmapFormat dstFormat) const {
+            return Bitmap(ABitmap_copy(mBitmap, dstFormat));
+        }
+
+        bool isValid() const { return mBitmap != nullptr; }
+        bool isEmpty() const {
+            AndroidBitmapInfo info = getInfo();
+            return info.width <= 0 || info.height <= 0;
+        }
+        void reset() {
+            ABitmap_releaseRef(mBitmap);
+            mBitmap = nullptr;
+        }
+
+        ABitmap* get() const { return mBitmap; }
+
+        AndroidBitmapInfo getInfo() const { return ABitmap_getInfo(mBitmap); }
+        ADataSpace getDataSpace() const { return ABitmap_getDataSpace(mBitmap); }
+        void* getPixels() const { return ABitmap_getPixels(mBitmap); }
+        void notifyPixelsChanged() const { ABitmap_notifyPixelsChanged(mBitmap); }
+        AHardwareBuffer* getHardwareBuffer() const { return ABitmap_getHardwareBuffer(mBitmap); }
+
+    private:
+        // takes ownership of the provided ABitmap
+        Bitmap(ABitmap* bitmap) : mBitmap(bitmap) {}
+
+        ABitmap* mBitmap;
+    };
+}; // namespace graphics
+}; // namespace android
+#endif // __cplusplus
+
+#endif // ANDROID_GRAPHICS_BITMAP_H