Initial Contribution
diff --git a/libs/surfaceflinger/GPUHardware/GPUHardware.h b/libs/surfaceflinger/GPUHardware/GPUHardware.h
new file mode 100644
index 0000000..9a78b99
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+++ b/libs/surfaceflinger/GPUHardware/GPUHardware.h
@@ -0,0 +1,116 @@
+/*
+ * Copyright (C) 2008 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_GPU_HARDWARE_H
+#define ANDROID_GPU_HARDWARE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class GPUHardwareInterface : public RefBase
+{
+public:
+ virtual void revoke(int pid) = 0;
+ virtual sp<MemoryDealer> request(int pid) = 0;
+ virtual status_t request(const sp<IGPUCallback>& callback,
+ ISurfaceComposer::gpu_info_t* gpu) = 0;
+
+ virtual status_t friendlyRevoke() = 0;
+ virtual void unconditionalRevoke() = 0;
+
+ // used for debugging only...
+ virtual sp<SimpleBestFitAllocator> getAllocator() const = 0;
+ virtual pid_t getOwner() const = 0;
+};
+
+// ---------------------------------------------------------------------------
+
+class IMemory;
+class MemoryHeapPmem;
+class PMemHeap;
+
+class GPUHardware : public GPUHardwareInterface
+{
+public:
+ GPUHardware();
+ virtual ~GPUHardware();
+
+ virtual void revoke(int pid);
+ virtual sp<MemoryDealer> request(int pid);
+ virtual status_t request(const sp<IGPUCallback>& callback,
+ ISurfaceComposer::gpu_info_t* gpu);
+
+ virtual status_t friendlyRevoke();
+ virtual void unconditionalRevoke();
+
+ // used for debugging only...
+ virtual sp<SimpleBestFitAllocator> getAllocator() const;
+ virtual pid_t getOwner() const { return mOwner; }
+
+private:
+ enum {
+ NO_OWNER = -1,
+ SURFACE_FAILED = -2
+ };
+
+ void requestLocked();
+ void releaseLocked(bool dispose = false);
+ void takeBackGPULocked();
+
+ class GPUPart
+ {
+ public:
+ bool surface;
+ size_t reserved;
+ GPUPart();
+ ~GPUPart();
+ const sp<PMemHeapInterface>& getHeap() const;
+ const sp<MemoryHeapPmem>& getClientHeap() const;
+ bool isValid() const;
+ void clear();
+ void set(const sp<PMemHeapInterface>& heap);
+ bool promote();
+ sp<IMemory> map(bool clear = false);
+ void release(bool dispose);
+ private:
+ sp<PMemHeapInterface> mHeap;
+ wp<PMemHeapInterface> mHeapWeak;
+ sp<MemoryHeapPmem> mClientHeap;
+ };
+
+ mutable Mutex mLock;
+ GPUPart mHeap0; // SMI
+ GPUPart mHeap1; // EBI1
+ GPUPart mHeapR;
+ sp<MemoryDealer> mAllocator;
+ pid_t mOwner;
+ sp<IGPUCallback> mCallback;
+ wp<SimpleBestFitAllocator> mAllocatorDebug;
+
+ Condition mCondition;
+};
+
+// ---------------------------------------------------------------------------
+}; // namespace android
+
+#endif // ANDROID_GPU_HARDWARE_H