Integrate from //sandbox/mathias/donut/...@145728

SurfaceFlinger rework for new EGL driver model support.
diff --git a/include/ui/BufferMapper.h b/include/ui/BufferMapper.h
new file mode 100644
index 0000000..8a33b2e
--- /dev/null
+++ b/include/ui/BufferMapper.h
@@ -0,0 +1,57 @@
+/*
+ * Copyright (C) 2007 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_UI_BUFFER_MAPPER_H
+#define ANDROID_UI_BUFFER_MAPPER_H
+
+#include <stdint.h>
+#include <sys/types.h>
+#include <utils/threads.h>
+#include <utils/Singleton.h>
+
+#include <hardware/gralloc.h>
+
+
+struct gralloc_module_t;
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class Rect;
+
+class BufferMapper : public Singleton<BufferMapper>
+{
+public:
+    static inline BufferMapper& get() { return getInstance(); }
+    status_t map(buffer_handle_t handle, void** addr);
+    status_t unmap(buffer_handle_t handle);
+    status_t lock(buffer_handle_t handle, int usage, const Rect& bounds);
+    status_t unlock(buffer_handle_t handle);
+    
+private:
+    friend class Singleton<BufferMapper>;
+    BufferMapper();
+    mutable Mutex mLock;
+    gralloc_module_t const *mAllocMod;
+};
+
+// ---------------------------------------------------------------------------
+
+}; // namespace android
+
+#endif // ANDROID_UI_BUFFER_MAPPER_H
+
diff --git a/include/ui/EGLNativeWindowSurface.h b/include/ui/EGLNativeWindowSurface.h
index 3494234..4b25655 100644
--- a/include/ui/EGLNativeWindowSurface.h
+++ b/include/ui/EGLNativeWindowSurface.h
@@ -19,8 +19,17 @@
 
 #include <stdint.h>
 #include <sys/types.h>
-#include <ui/EGLNativeSurface.h>
+
 #include <EGL/egl.h>
+#include <EGL/android_natives.h>
+
+#include <utils/threads.h>
+#include <ui/Rect.h>
+
+#include <pixelflinger/pixelflinger.h>
+
+
+extern "C" EGLNativeWindowType android_createDisplaySurface(void);
 
 // ---------------------------------------------------------------------------
 namespace android {
@@ -28,27 +37,84 @@
 
 class Surface;
 
-class EGLNativeWindowSurface : public EGLNativeSurface<EGLNativeWindowSurface>
+
+class NativeBuffer 
+    : public EGLNativeBase<
+        android_native_buffer_t, 
+        NativeBuffer, 
+        LightRefBase<NativeBuffer>  >
 {
 public:
-    EGLNativeWindowSurface(const sp<Surface>& surface);
-    ~EGLNativeWindowSurface();
+    NativeBuffer(int w, int h, int f, int u) : BASE() {
+        android_native_buffer_t::width  = w;
+        android_native_buffer_t::height = h;
+        android_native_buffer_t::format = f;
+        android_native_buffer_t::usage  = u;
+        android_native_buffer_t::getHandle = getHandle;
+    }
+public:
+    buffer_handle_t handle;
+private:
+    friend class LightRefBase<NativeBuffer>;    
+    ~NativeBuffer() { }; // this class cannot be overloaded
+    static int getHandle(android_native_buffer_t const * base, buffer_handle_t* handle) {
+        *handle = getSelf(base)->handle;
+        return 0;
+    }
+};
 
-    void        setSwapRectangle(int l, int t, int w, int h);
+// ---------------------------------------------------------------------------
+
+class FramebufferNativeWindow 
+    : public EGLNativeBase<
+        android_native_window_t, 
+        FramebufferNativeWindow, 
+        LightRefBase<FramebufferNativeWindow> >
+{
+public:
+    FramebufferNativeWindow(); 
+
+    framebuffer_device_t const * getDevice() const { return fbDev; } 
 
 private:
-    static void         hook_incRef(NativeWindowType window);
-    static void         hook_decRef(NativeWindowType window);
-    static uint32_t     hook_swapBuffers(NativeWindowType window);
-    static void         hook_connect(NativeWindowType window);
-    static void         hook_disconnect(NativeWindowType window);
+    friend class LightRefBase<FramebufferNativeWindow>;    
+    ~FramebufferNativeWindow(); // this class cannot be overloaded
+    static void connect(android_native_window_t* window);
+    static void disconnect(android_native_window_t* window);
+    static int setSwapInterval(android_native_window_t* window, int interval);
+    static int setSwapRectangle(android_native_window_t* window,
+            int l, int t, int w, int h);
+    static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
+    static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
+    static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
+    
 
-            uint32_t    swapBuffers();
-            void        connect();
-            void        disconnect();
-            
-            sp<Surface> mSurface;
-            bool        mConnected;
+    static inline FramebufferNativeWindow* getSelf(
+            android_native_window_t* window) {
+        FramebufferNativeWindow* self = 
+            static_cast<FramebufferNativeWindow*>(window);
+            return self;
+    }
+
+    static inline FramebufferNativeWindow* getSelf(
+            android_native_base_t* window) {
+        return getSelf(reinterpret_cast<android_native_window_t*>(window));
+    }
+
+    
+    framebuffer_device_t* fbDev;
+    alloc_device_t* grDev;
+
+    sp<NativeBuffer> buffers[2];
+    sp<NativeBuffer> front;
+    
+    Rect mDirty;
+
+    mutable Mutex mutex;
+    Condition mCondition;
+    int32_t mNumBuffers;
+    int32_t mNumFreeBuffers;
+    int32_t mBufferHead;
 };
 
 // ---------------------------------------------------------------------------
diff --git a/include/ui/ISurface.h b/include/ui/ISurface.h
index 87b320f..1a78872 100644
--- a/include/ui/ISurface.h
+++ b/include/ui/ISurface.h
@@ -20,12 +20,15 @@
 #include <stdint.h>
 #include <sys/types.h>
 
+#include <EGL/android_natives.h>
+
 #include <utils/Errors.h>
 #include <utils/IInterface.h>
 #include <utils/RefBase.h>
 #include <ui/PixelFormat.h>
 
 #include <hardware/hardware.h>
+#include <hardware/gralloc.h>
 
 namespace android {
 
@@ -33,6 +36,7 @@
 
 class IMemoryHeap;
 class OverlayRef;
+class SurfaceBuffer;
 
 class ISurface : public IInterface
 {
@@ -42,11 +46,13 @@
         UNREGISTER_BUFFERS,
         POST_BUFFER, // one-way transaction
         CREATE_OVERLAY,
+        GET_BUFFER,
     };
 
 public: 
     DECLARE_META_INTERFACE(Surface);
 
+    virtual sp<SurfaceBuffer> getBuffer() = 0; 
     
     class BufferHeap {
     public:
@@ -78,9 +84,7 @@
     };
     
     virtual status_t registerBuffers(const BufferHeap& buffers) = 0;
-
     virtual void postBuffer(ssize_t offset) = 0; // one-way
-
     virtual void unregisterBuffers() = 0;
     
     virtual sp<OverlayRef> createOverlay(
diff --git a/include/ui/ISurfaceComposer.h b/include/ui/ISurfaceComposer.h
index 5c64b22..fd5a473 100644
--- a/include/ui/ISurfaceComposer.h
+++ b/include/ui/ISurfaceComposer.h
@@ -32,7 +32,6 @@
 // ----------------------------------------------------------------------------
 
 class DisplayInfo;
-class IGPUCallback;
 
 class ISurfaceComposer : public IInterface
 {
@@ -112,37 +111,12 @@
      */
     virtual void bootFinished() = 0;
 
-    /* get access to the GPU. Access is relinquished when releasing regs */
-    struct gpu_info_t {
-        struct gpu_region_t {
-            sp<IMemory> region;
-            size_t reserved;
-        };
-        sp<IMemory>             regs;
-        size_t                  count;
-        gpu_region_t            regions[2];
-    };
-    virtual status_t requestGPU(
-            const sp<IGPUCallback>& callback,
-            gpu_info_t* gpu) = 0;
-
-    /* take the gpu back from any apps using it. They'll get a
-     * EGL_CONTEXT_LOST error */
-    virtual status_t revokeGPU() = 0;
-
     /* Signal surfaceflinger that there might be some work to do
      * This is an ASYNCHRONOUS call.
      */
     virtual void signal() const = 0;
 };
 
-class IGPUCallback : public IInterface
-{
-public:
-    DECLARE_META_INTERFACE(GPUCallback);
-    virtual void gpuLost() = 0; //one-way
-};
-
 // ----------------------------------------------------------------------------
 
 class BnSurfaceComposer : public BnInterface<ISurfaceComposer>
@@ -159,8 +133,6 @@
         SET_ORIENTATION,
         FREEZE_DISPLAY,
         UNFREEZE_DISPLAY,
-        REQUEST_GPU,
-        REVOKE_GPU,
         SIGNAL
     };
 
@@ -170,15 +142,6 @@
                                     uint32_t flags = 0);
 };
 
-class BnGPUCallback : public BnInterface<IGPUCallback>
-{
-public:
-    virtual status_t    onTransact( uint32_t code,
-                                    const Parcel& data,
-                                    Parcel* reply,
-                                    uint32_t flags = 0);
-};
-
 // ----------------------------------------------------------------------------
 
 }; // namespace android
diff --git a/include/ui/ISurfaceFlingerClient.h b/include/ui/ISurfaceFlingerClient.h
index 5b9361d..8515e2e 100644
--- a/include/ui/ISurfaceFlingerClient.h
+++ b/include/ui/ISurfaceFlingerClient.h
@@ -52,7 +52,6 @@
     struct surface_data_t {
         int32_t             token;
         int32_t             identity;
-        sp<IMemoryHeap>     heap[2];
         status_t readFromParcel(const Parcel& parcel);
         status_t writeToParcel(Parcel* parcel) const;
     };
diff --git a/include/ui/PixelFormat.h b/include/ui/PixelFormat.h
index 14af823..6d87321b 100644
--- a/include/ui/PixelFormat.h
+++ b/include/ui/PixelFormat.h
@@ -84,6 +84,13 @@
 
 struct PixelFormatInfo
 {
+    enum {
+        INDEX_ALPHA   = 0,
+        INDEX_RED     = 1,
+        INDEX_GREEN   = 2,
+        INDEX_BLUE    = 3
+    };
+    
     enum { // components
         ALPHA               = 1,
         RGB                 = 2,
@@ -95,20 +102,33 @@
         Y_CB_CR_I           = 8,
     };
 
+    struct szinfo {
+        uint8_t h;
+        uint8_t l;
+    };
+    
     inline PixelFormatInfo() : version(sizeof(PixelFormatInfo)) { }
     size_t getScanlineSize(unsigned int width) const;
+    size_t getSize(size_t ci) const { 
+        return (ci <= 3) ? (cinfo[ci].h - cinfo[ci].l) : 0;
+    }
     size_t      version;
     PixelFormat format;
     size_t      bytesPerPixel;
     size_t      bitsPerPixel;
-    uint8_t     h_alpha;
-    uint8_t     l_alpha;
-    uint8_t     h_red;
-    uint8_t     l_red;
-    uint8_t     h_green;
-    uint8_t     l_green;
-    uint8_t     h_blue;
-    uint8_t     l_blue;
+    union {
+        szinfo      cinfo[4];
+        struct {
+            uint8_t     h_alpha;
+            uint8_t     l_alpha;    
+            uint8_t     h_red;
+            uint8_t     l_red;
+            uint8_t     h_green;
+            uint8_t     l_green;
+            uint8_t     h_blue;
+            uint8_t     l_blue;
+        };
+    };
     uint8_t     components;
     uint8_t     reserved0[3];
     uint32_t    reserved1;
diff --git a/include/ui/Surface.h b/include/ui/Surface.h
index 33953a9..d92da49 100644
--- a/include/ui/Surface.h
+++ b/include/ui/Surface.h
@@ -28,24 +28,65 @@
 #include <ui/Region.h>
 #include <ui/ISurfaceFlingerClient.h>
 
+#include <EGL/android_natives.h>
+
 namespace android {
 
 // ---------------------------------------------------------------------------
 
 class Rect;
 class SurfaceComposerClient;
+struct per_client_cblk_t;
+struct layer_cblk_t;
 
-class Surface : public RefBase
+// ---------------------------------------------------------------------------
+
+class SurfaceBuffer 
+    : public EGLNativeBase<
+        android_native_buffer_t, 
+        SurfaceBuffer, 
+        LightRefBase<SurfaceBuffer> >
 {
+public:
+    buffer_handle_t getHandle() const {
+        return handle;
+    }
+    
+protected:
+            SurfaceBuffer();
+            SurfaceBuffer(const Parcel& reply);
+    virtual ~SurfaceBuffer();
+    buffer_handle_t handle;
+    bool mOwner;
 
+private:
+    friend class BpSurface;
+    friend class BnSurface;
+    friend class LightRefBase<SurfaceBuffer>;    
+
+    SurfaceBuffer& operator = (const SurfaceBuffer& rhs);
+    const SurfaceBuffer& operator = (const SurfaceBuffer& rhs) const;
+
+    static status_t writeToParcel(Parcel* reply, 
+            android_native_buffer_t const* buffer);
+    
+    static int getHandle(android_native_buffer_t const * base, 
+            buffer_handle_t* handle);
+};
+
+// ---------------------------------------------------------------------------
+
+class Surface 
+    : public EGLNativeBase<android_native_window_t, Surface, RefBase>
+{
 public:
     struct SurfaceInfo {
         uint32_t    w;
         uint32_t    h;
-        uint32_t    bpr;
+        uint32_t    s;
+        uint32_t    usage;
         PixelFormat format;
         void*       bits;
-        void*       base;
         uint32_t    reserved[2];
     };
 
@@ -55,15 +96,12 @@
     status_t    lock(SurfaceInfo* info, bool blocking = true);
     status_t    lock(SurfaceInfo* info, Region* dirty, bool blocking = true);
     status_t    unlockAndPost();
-    status_t    unlock();
-
-    void*       heapBase(int i) const;
+    
     uint32_t    getFlags() const { return mFlags; }
 
     // setSwapRectangle() is mainly used by EGL
     void        setSwapRectangle(const Rect& r);
     const Rect& swapRectangle() const;
-    status_t    nextBuffer(SurfaceInfo* info);
 
     sp<Surface>         dup() const;
     static sp<Surface>  readFromParcel(Parcel* parcel);
@@ -95,6 +133,8 @@
     friend class Test;
     const sp<ISurface>& getISurface() const { return mSurface; }
 
+    status_t getBufferLocked(int index);
+    
     // can't be copied
     Surface& operator = (Surface& rhs);
     Surface(const Surface& rhs);
@@ -108,23 +148,39 @@
     Surface(Surface const* rhs);
 
     ~Surface();
-
+    
     Region dirtyRegion() const;
     void setDirtyRegion(const Region& region) const;
 
-    // this locks protects calls to lockSurface() / unlockSurface()
-    // and is called by SurfaceComposerClient.
-    Mutex& getLock() const { return mSurfaceLock; }
+   
+           status_t validate(per_client_cblk_t const* cblk) const;
+    static void _send_dirty_region(layer_cblk_t* lcblk, const Region& dirty);
 
+    
+    static void connect(android_native_window_t* window);
+    static void disconnect(android_native_window_t* window);
+    static int setSwapInterval(android_native_window_t* window, int interval);
+    static int setSwapRectangle(android_native_window_t* window,
+            int l, int t, int w, int h);
+    static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
+    static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
+    static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
+
+    int dequeueBuffer(android_native_buffer_t** buffer);
+    int lockBuffer(android_native_buffer_t* buffer);
+    int queueBuffer(android_native_buffer_t* buffer);
+    
+    
+    alloc_device_t*             mAllocDevice;
     sp<SurfaceComposerClient>   mClient;
     sp<ISurface>                mSurface;
-    sp<IMemoryHeap>             mHeap[2];
+    sp<SurfaceBuffer>           mBuffers[2];
+    android_native_buffer_t*    mLockedBuffer;
     SurfaceID                   mToken;
     uint32_t                    mIdentity;
     PixelFormat                 mFormat;
     uint32_t                    mFlags;
     const bool                  mOwner;
-    mutable void*               mSurfaceHeapBase[2];
     mutable Region              mDirtyRegion;
     mutable Rect                mSwapRectangle;
     mutable uint8_t             mBackbufferIndex;
diff --git a/include/ui/SurfaceComposerClient.h b/include/ui/SurfaceComposerClient.h
index 76a3b55..86de6ea 100644
--- a/include/ui/SurfaceComposerClient.h
+++ b/include/ui/SurfaceComposerClient.h
@@ -128,34 +128,17 @@
     status_t    setPosition(Surface* surface, int32_t x, int32_t y);
     status_t    setSize(Surface* surface, uint32_t w, uint32_t h);
     
-    //! Unlock the surface, and specify the dirty region if any
-    status_t    unlockAndPostSurface(Surface* surface);
-    status_t    unlockSurface(Surface* surface);
-
-    status_t    lockSurface(Surface* surface,
-                            Surface::SurfaceInfo* info,
-                            Region* dirty,
-                            bool blocking = true);
-
-    status_t    nextBuffer(Surface* surface,
-                            Surface::SurfaceInfo* info);
+    void        signalServer();
 
     status_t    destroySurface(SurfaceID sid);
 
     void        _init(const sp<ISurfaceComposer>& sm,
                     const sp<ISurfaceFlingerClient>& conn);
-    void        _signal_server();
-    static void _send_dirty_region(layer_cblk_t* lcblk, const Region& dirty);
 
     inline layer_state_t*   _get_state_l(const sp<Surface>& surface);
     layer_state_t*          _lockLayerState(const sp<Surface>& surface);
     inline void             _unlockLayerState();
 
-    status_t validateSurface(
-            per_client_cblk_t const* cblk, Surface const * surface);
-
-    void pinHeap(const sp<IMemoryHeap>& heap);
-
     mutable     Mutex                               mLock;
                 layer_state_t*                      mPrebuiltLayerState;
                 SortedVector<layer_state_t>         mStates;
@@ -167,9 +150,6 @@
                 per_client_cblk_t*          mControl;
                 sp<IMemory>                 mControlMemory;
                 sp<ISurfaceFlingerClient>   mClient;
-                sp<IMemoryHeap>             mSurfaceHeap;
-                uint8_t*                    mSurfaceHeapBase;
-                void*                       mGL;
                 SurfaceFlingerSynchro*      mSignalServer;
 };