HWComposer.h revision 45721773e1a68e96da4b6cc04cef276bae7ca3e9 
1/*
2 * Copyright (C) 2010 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_SF_HWCOMPOSER_H
18#define ANDROID_SF_HWCOMPOSER_H
19
20#include <stdint.h>
21#include <sys/types.h>
22
23#include <EGL/egl.h>
24
25#include <hardware/hwcomposer.h>
26
27namespace android {
28// ---------------------------------------------------------------------------
29
30class HWComposer
31{
32public:
33
34    HWComposer();
35    ~HWComposer();
36
37    status_t initCheck() const;
38
39    // tells the HAL what the framebuffer is
40    void setFrameBuffer(EGLDisplay dpy, EGLSurface sur);
41
42    // create a work list for numLayers layer
43    status_t createWorkList(size_t numLayers);
44
45    // Asks the HAL what it can do
46    status_t prepare() const;
47
48    // commits the list
49    status_t commit() const;
50
51
52    size_t getNumLayers() const;
53    hwc_layer_t* getLayers() const;
54
55private:
56    hw_module_t const*      mModule;
57    hwc_composer_device_t*  mHwc;
58    hwc_layer_list_t*       mList;
59    size_t                  mCapacity;
60    hwc_display_t           mDpy;
61    hwc_surface_t           mSur;
62};
63
64
65// ---------------------------------------------------------------------------
66}; // namespace android
67
68#endif // ANDROID_SF_HWCOMPOSER_H
69