117 lines
3.3 KiB
C
117 lines
3.3 KiB
C
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/*
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* Copyright (C) 2008 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#ifndef ANDROID_GPU_HARDWARE_H
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#define ANDROID_GPU_HARDWARE_H
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#include <stdint.h>
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#include <sys/types.h>
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#include <utils/RefBase.h>
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#include <utils/threads.h>
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namespace android {
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// ---------------------------------------------------------------------------
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class GPUHardwareInterface : public RefBase
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{
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public:
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virtual void revoke(int pid) = 0;
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virtual sp<MemoryDealer> request(int pid) = 0;
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virtual status_t request(const sp<IGPUCallback>& callback,
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ISurfaceComposer::gpu_info_t* gpu) = 0;
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virtual status_t friendlyRevoke() = 0;
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virtual void unconditionalRevoke() = 0;
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// used for debugging only...
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virtual sp<SimpleBestFitAllocator> getAllocator() const = 0;
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virtual pid_t getOwner() const = 0;
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};
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// ---------------------------------------------------------------------------
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class IMemory;
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class MemoryHeapPmem;
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class PMemHeap;
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class GPUHardware : public GPUHardwareInterface
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{
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public:
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GPUHardware();
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virtual ~GPUHardware();
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virtual void revoke(int pid);
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virtual sp<MemoryDealer> request(int pid);
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virtual status_t request(const sp<IGPUCallback>& callback,
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ISurfaceComposer::gpu_info_t* gpu);
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virtual status_t friendlyRevoke();
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virtual void unconditionalRevoke();
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// used for debugging only...
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virtual sp<SimpleBestFitAllocator> getAllocator() const;
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virtual pid_t getOwner() const { return mOwner; }
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private:
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enum {
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NO_OWNER = -1,
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SURFACE_FAILED = -2
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};
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void requestLocked();
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void releaseLocked(bool dispose = false);
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void takeBackGPULocked();
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class GPUPart
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{
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public:
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bool surface;
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size_t reserved;
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GPUPart();
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~GPUPart();
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const sp<PMemHeapInterface>& getHeap() const;
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const sp<MemoryHeapPmem>& getClientHeap() const;
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bool isValid() const;
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void clear();
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void set(const sp<PMemHeapInterface>& heap);
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bool promote();
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sp<IMemory> map(bool clear = false);
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void release(bool dispose);
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private:
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sp<PMemHeapInterface> mHeap;
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wp<PMemHeapInterface> mHeapWeak;
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sp<MemoryHeapPmem> mClientHeap;
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};
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mutable Mutex mLock;
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GPUPart mHeap0; // SMI
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GPUPart mHeap1; // EBI1
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GPUPart mHeapR;
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sp<MemoryDealer> mAllocator;
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pid_t mOwner;
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sp<IGPUCallback> mCallback;
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wp<SimpleBestFitAllocator> mAllocatorDebug;
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Condition mCondition;
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};
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// ---------------------------------------------------------------------------
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}; // namespace android
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#endif // ANDROID_GPU_HARDWARE_H
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