1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
|
/*
* 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_FRAMEBUFFER_NATIVE_WINDOW_H
#define ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
#include <stdint.h>
#include <sys/types.h>
#include <EGL/egl.h>
#include <EGL/android_natives.h>
#include <utils/threads.h>
#include <ui/Rect.h>
#include <pixelflinger/pixelflinger.h>
extern "C" EGLNativeWindowType android_createDisplaySurface(void);
// ---------------------------------------------------------------------------
namespace android {
// ---------------------------------------------------------------------------
class Surface;
class NativeBuffer
: public EGLNativeBase<
android_native_buffer_t,
NativeBuffer,
LightRefBase<NativeBuffer> >
{
public:
NativeBuffer(int w, int h, int f, int u) : BASE() {
android_native_buffer_t::width = w;
android_native_buffer_t::height = h;
android_native_buffer_t::format = f;
android_native_buffer_t::usage = u;
android_native_buffer_t::getHandle = getHandle;
}
public:
buffer_handle_t handle;
private:
friend class LightRefBase<NativeBuffer>;
~NativeBuffer() { }; // this class cannot be overloaded
static int getHandle(android_native_buffer_t const * base, buffer_handle_t* handle) {
*handle = getSelf(base)->handle;
return 0;
}
};
// ---------------------------------------------------------------------------
class FramebufferNativeWindow
: public EGLNativeBase<
android_native_window_t,
FramebufferNativeWindow,
LightRefBase<FramebufferNativeWindow> >
{
public:
FramebufferNativeWindow();
framebuffer_device_t const * getDevice() const { return fbDev; }
private:
friend class LightRefBase<FramebufferNativeWindow>;
~FramebufferNativeWindow(); // this class cannot be overloaded
static int setSwapInterval(android_native_window_t* window, int interval);
static int dequeueBuffer(android_native_window_t* window, android_native_buffer_t** buffer);
static int lockBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
static int queueBuffer(android_native_window_t* window, android_native_buffer_t* buffer);
framebuffer_device_t* fbDev;
alloc_device_t* grDev;
sp<NativeBuffer> buffers[2];
sp<NativeBuffer> front;
mutable Mutex mutex;
Condition mCondition;
int32_t mNumBuffers;
int32_t mNumFreeBuffers;
int32_t mBufferHead;
};
// ---------------------------------------------------------------------------
}; // namespace android
// ---------------------------------------------------------------------------
#endif // ANDROID_FRAMEBUFFER_NATIVE_WINDOW_H
|
