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_GUI_ISURFACE_COMPOSER_CLIENT_H
18#define ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <utils/Errors.h>
24#include <utils/RefBase.h>
25
26#include <binder/IInterface.h>
27
28#include <ui/PixelFormat.h>
29
30#include <gui/ISurface.h>
31
32namespace android {
33// ----------------------------------------------------------------------------
34
35class ISurfaceComposerClient : public IInterface
36{
37public:
38    DECLARE_META_INTERFACE(SurfaceComposerClient);
39
40    // flags for createSurface()
41    enum { // (keep in sync with Surface.java)
42        eHidden             = 0x00000004,
43        eDestroyBackbuffer  = 0x00000020,
44        eSecure             = 0x00000080,
45        eNonPremultiplied   = 0x00000100,
46        eOpaque             = 0x00000400,
47        eProtectedByApp     = 0x00000800,
48        eProtectedByDRM     = 0x00001000,
49
50        eFXSurfaceNormal    = 0x00000000,
51        eFXSurfaceBlur      = 0x00010000, // deprecated, same as Dim
52        eFXSurfaceDim       = 0x00020000,
53        eFXSurfaceScreenshot= 0x00030000,
54        eFXSurfaceMask      = 0x000F0000,
55    };
56
57    struct surface_data_t {
58        int32_t token;
59        int32_t identity;
60        status_t readFromParcel(const Parcel& parcel);
61        status_t writeToParcel(Parcel* parcel) const;
62    };
63
64    /*
65     * Requires ACCESS_SURFACE_FLINGER permission
66     */
67    virtual sp<ISurface> createSurface(surface_data_t* data,
68            const String8& name, uint32_t w, uint32_t h,
69            PixelFormat format, uint32_t flags) = 0;
70
71    /*
72     * Requires ACCESS_SURFACE_FLINGER permission
73     */
74    virtual status_t destroySurface(SurfaceID sid) = 0;
75};
76
77// ----------------------------------------------------------------------------
78
79class BnSurfaceComposerClient: public BnInterface<ISurfaceComposerClient> {
80public:
81    virtual status_t onTransact(uint32_t code, const Parcel& data,
82            Parcel* reply, uint32_t flags = 0);
83};
84
85// ----------------------------------------------------------------------------
86
87}; // namespace android
88
89#endif // ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
90