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
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
|
/*
* 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_DISPLAY_HARDWARE_H
#define ANDROID_DISPLAY_HARDWARE_H
#include <stdlib.h>
#include <ui/PixelFormat.h>
#include <ui/Region.h>
#include <GLES/gl.h>
#include <GLES/glext.h>
#include <EGL/egl.h>
#include <EGL/eglext.h>
#include <pixelflinger/pixelflinger.h>
#include "GLExtensions.h"
#include "DisplayHardware/DisplayHardwareBase.h"
namespace android {
class FramebufferNativeWindow;
class HWComposer;
class DisplayHardware : public DisplayHardwareBase
{
public:
enum {
COPY_BITS_EXTENSION = 0x00000008,
BUFFER_PRESERVED = 0x00010000,
PARTIAL_UPDATES = 0x00020000, // video driver feature
SLOW_CONFIG = 0x00040000, // software
SWAP_RECTANGLE = 0x00080000,
};
DisplayHardware(
const sp<SurfaceFlinger>& flinger,
uint32_t displayIndex);
~DisplayHardware();
void releaseScreen() const;
void acquireScreen() const;
// Flip the front and back buffers if the back buffer is "dirty". Might
// be instantaneous, might involve copying the frame buffer around.
void flip(const Region& dirty) const;
float getDpiX() const;
float getDpiY() const;
float getRefreshRate() const;
float getDensity() const;
int getWidth() const;
int getHeight() const;
PixelFormat getFormat() const;
uint32_t getFlags() const;
void makeCurrent() const;
uint32_t getMaxTextureSize() const;
uint32_t getMaxViewportDims() const;
uint32_t getPageFlipCount() const;
EGLDisplay getEGLDisplay() const { return mDisplay; }
void dump(String8& res) const;
// Hardware Composer
HWComposer& getHwComposer() const;
status_t compositionComplete() const;
Rect bounds() const {
return Rect(mWidth, mHeight);
}
// only for debugging
int getCurrentBufferIndex() const;
private:
void init(uint32_t displayIndex) __attribute__((noinline));
void fini() __attribute__((noinline));
EGLDisplay mDisplay;
EGLSurface mSurface;
EGLContext mContext;
EGLConfig mConfig;
float mDpiX;
float mDpiY;
float mRefreshRate;
float mDensity;
int mWidth;
int mHeight;
PixelFormat mFormat;
uint32_t mFlags;
mutable uint32_t mPageFlipCount;
GLint mMaxViewportDims;
GLint mMaxTextureSize;
HWComposer* mHwc;
sp<FramebufferNativeWindow> mNativeWindow;
};
}; // namespace android
#endif // ANDROID_DISPLAY_HARDWARE_H
|
