ISurfaceComposerClient.h revision 3165cc21cfea781988407b19bd83292b19f05f55 
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// ----------------------------------------------------------------------------
35
36typedef int32_t    DisplayID;
37
38// ----------------------------------------------------------------------------
39
40class ISurfaceComposerClient : public IInterface
41{
42public:
43    DECLARE_META_INTERFACE(SurfaceComposerClient);
44
45    // flags for createSurface()
46    enum { // (keep in sync with Surface.java)
47        eHidden             = 0x00000004,
48        eDestroyBackbuffer  = 0x00000020,
49        eSecure             = 0x00000080,
50        eNonPremultiplied   = 0x00000100,
51        eOpaque             = 0x00000400,
52        eProtectedByApp     = 0x00000800,
53        eProtectedByDRM     = 0x00001000,
54
55        eFXSurfaceNormal    = 0x00000000,
56        eFXSurfaceBlur      = 0x00010000, // deprecated, same as Dim
57        eFXSurfaceDim       = 0x00020000,
58        eFXSurfaceScreenshot= 0x00030000,
59        eFXSurfaceMask      = 0x000F0000,
60    };
61
62    struct surface_data_t {
63        int32_t token;
64        int32_t identity;
65        status_t readFromParcel(const Parcel& parcel);
66        status_t writeToParcel(Parcel* parcel) const;
67    };
68
69    /*
70     * Requires ACCESS_SURFACE_FLINGER permission
71     */
72    virtual sp<ISurface> createSurface(surface_data_t* data,
73            const String8& name, DisplayID display, uint32_t w, uint32_t h,
74            PixelFormat format, uint32_t flags) = 0;
75
76    /*
77     * Requires ACCESS_SURFACE_FLINGER permission
78     */
79    virtual status_t destroySurface(SurfaceID sid) = 0;
80};
81
82// ----------------------------------------------------------------------------
83
84class BnSurfaceComposerClient: public BnInterface<ISurfaceComposerClient> {
85public:
86    virtual status_t onTransact(uint32_t code, const Parcel& data,
87            Parcel* reply, uint32_t flags = 0);
88};
89
90// ----------------------------------------------------------------------------
91
92}; // namespace android
93
94#endif // ANDROID_GUI_ISURFACE_COMPOSER_CLIENT_H
95