Initial Contribution

2008-10-21 07:00:00 -07:00
commit 54b6cfa9a9
3969 changed files with 795830 additions and 0 deletions
--- a/include/ui/Surface.h
+++ b/include/ui/Surface.h
@ -0,0 +1,137 @@
+/*
+ * 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_SURFACE_H
+#define ANDROID_UI_SURFACE_H
+
+#include <stdint.h>
+#include <sys/types.h>
+
+#include <utils/RefBase.h>
+#include <utils/threads.h>
+
+#include <ui/ISurface.h>
+#include <ui/PixelFormat.h>
+#include <ui/Region.h>
+#include <ui/ISurfaceFlingerClient.h>
+
+namespace android {
+
+// ---------------------------------------------------------------------------
+
+class Rect;
+class SurfaceComposerClient;
+
+class Surface : public RefBase
+{
+
+public:
+    struct SurfaceInfo {
+        uint32_t    w;
+        uint32_t    h;
+        uint32_t    bpr;
+        PixelFormat format;
+        void*       bits;
+        void*       base;
+        uint32_t    reserved[2];
+    };
+    
+    bool        isValid() const { return this && mToken>=0 && mClient!=0; }
+    SurfaceID   ID() const      { return mToken; }
+
+    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; }
+    int         getMemoryType() const { return mMemoryType; }
+    
+    // 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);
+    static status_t     writeToParcel(const sp<Surface>& surface, Parcel* parcel);
+    static bool         isSameSurface(const sp<Surface>& lhs, const sp<Surface>& rhs);
+    
+    status_t    setLayer(int32_t layer);
+    status_t    setPosition(int32_t x, int32_t y);
+    status_t    setSize(uint32_t w, uint32_t h);
+    status_t    hide();
+    status_t    show(int32_t layer = -1);
+    status_t    freeze();
+    status_t    unfreeze();
+    status_t    setFlags(uint32_t flags, uint32_t mask);
+    status_t    setTransparentRegionHint(const Region& transparent);
+    status_t    setAlpha(float alpha=1.0f);
+    status_t    setMatrix(float dsdx, float dtdx, float dsdy, float dtdy);
+    status_t    setFreezeTint(uint32_t tint);
+    
+    uint32_t    getIdentity() const { return mIdentity; }
+private:
+    friend class SurfaceComposerClient;
+
+    // camera needs access to the ISurface binder interface for preview
+    friend class Camera;
+    // mediaplayer needs access to ISurface for display
+    friend class MediaPlayer;
+    const sp<ISurface>& getISurface() const { return mSurface; }
+
+    // can't be copied
+    Surface& operator = (Surface& rhs);
+    Surface(const Surface& rhs);
+
+    Surface(const sp<SurfaceComposerClient>& client, 
+            const sp<ISurface>& surface,
+            const ISurfaceFlingerClient::surface_data_t& data,
+            uint32_t w, uint32_t h, PixelFormat format, uint32_t flags,
+            bool owner = true);
+    
+    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; }
+
+    sp<SurfaceComposerClient>   mClient;
+    sp<ISurface>                mSurface;
+    sp<IMemoryHeap>             mHeap[2];
+    int                         mMemoryType;
+    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;
+    mutable Mutex               mSurfaceLock;
+};
+
+}; // namespace android
+
+#endif // ANDROID_UI_SURFACE_H
+