FramebufferNativeWindow.h revision 2e336496c3b3b78910cf1c496e21dc4909ee32ad 
1/*
2 * Copyright (C) 2007 The Android Open Source Project
3 *
4 * Licensed under the Apache License, Version 2.0 (the "License");
5 * you may not use this file except in compliance with the License.
6 * You may obtain a copy of the License at
7 *
8 *      http://www.apache.org/licenses/LICENSE-2.0
9 *
10 * Unless required by applicable law or agreed to in writing, software
11 * distributed under the License is distributed on an "AS IS" BASIS,
12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13 * See the License for the specific language governing permissions and
14 * limitations under the License.
15 */
16
17#ifndef ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
18#define ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
19
20#warning "FramebufferNativeWindow is deprecated"
21
22#include <stdint.h>
23#include <sys/types.h>
24
25#include <EGL/egl.h>
26
27#include <utils/threads.h>
28#include <utils/String8.h>
29
30#include <ui/ANativeObjectBase.h>
31#include <ui/Rect.h>
32
33#define MIN_NUM_FRAME_BUFFERS  2
34#define MAX_NUM_FRAME_BUFFERS  3
35
36extern "C" EGLNativeWindowType android_createDisplaySurface(void);
37
38// ---------------------------------------------------------------------------
39namespace android {
40// ---------------------------------------------------------------------------
41
42class Surface;
43class NativeBuffer;
44
45// ---------------------------------------------------------------------------
46
47class FramebufferNativeWindow
48    : public ANativeObjectBase<
49        ANativeWindow,
50        FramebufferNativeWindow,
51        LightRefBase<FramebufferNativeWindow> >
52{
53public:
54    FramebufferNativeWindow();
55
56    framebuffer_device_t const * getDevice() const { return fbDev; }
57
58    bool isUpdateOnDemand() const { return mUpdateOnDemand; }
59    status_t setUpdateRectangle(const Rect& updateRect);
60    status_t compositionComplete();
61
62    void dump(String8& result);
63
64    // for debugging only
65    int getCurrentBufferIndex() const;
66
67private:
68    friend class LightRefBase<FramebufferNativeWindow>;
69    ~FramebufferNativeWindow(); // this class cannot be overloaded
70    static int setSwapInterval(ANativeWindow* window, int interval);
71    static int dequeueBuffer(ANativeWindow* window, ANativeWindowBuffer** buffer, int* fenceFd);
72    static int queueBuffer(ANativeWindow* window, ANativeWindowBuffer* buffer, int fenceFd);
73    static int query(const ANativeWindow* window, int what, int* value);
74    static int perform(ANativeWindow* window, int operation, ...);
75
76    static int dequeueBuffer_DEPRECATED(ANativeWindow* window, ANativeWindowBuffer** buffer);
77    static int queueBuffer_DEPRECATED(ANativeWindow* window, ANativeWindowBuffer* buffer);
78    static int lockBuffer_DEPRECATED(ANativeWindow* window, ANativeWindowBuffer* buffer);
79
80    framebuffer_device_t* fbDev;
81    alloc_device_t* grDev;
82
83    sp<NativeBuffer> buffers[MAX_NUM_FRAME_BUFFERS];
84    sp<NativeBuffer> front;
85
86    mutable Mutex mutex;
87    Condition mCondition;
88    int32_t mNumBuffers;
89    int32_t mNumFreeBuffers;
90    int32_t mBufferHead;
91    int32_t mCurrentBufferIndex;
92    bool mUpdateOnDemand;
93};
94
95// ---------------------------------------------------------------------------
96}; // namespace android
97// ---------------------------------------------------------------------------
98
99#endif // ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
100
101