| /* |
| * 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 |