1 files changed, 116 insertions, 0 deletions
diff --git a/libs/surfaceflinger/GPUHardware/GPUHardware.h b/libs/surfaceflinger/GPUHardware/GPUHardware.h
new file mode 100644
index 0000000..9a78b99
--- /dev/null
+++ 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