path: root/hwc2/FixedSizeModeMgr.cpp (plain)
blob: 9913a3551d3039acd849ed47ff091c70b7949b31

1	/*
2	* Copyright (c) 2017 Amlogic, Inc. All rights reserved.
3	*
4	* This source code is subject to the terms and conditions defined in the
5	* file 'LICENSE' which is part of this source code package.
6	*
7	* Description:
8	*/
9
10	#include "FixedSizeModeMgr.h"
11	#include <MesonLog.h>
12	#include <HwcConfig.h>
13	#include <hardware/hwcomposer2.h>
14
15
16	#define DEFUALT_DPI (159)
17	#define DEFAULT_REFRESH_RATE (60.0f)
18
19	FixedSizeModeMgr::FixedSizeModeMgr() {
20	}
21
22	FixedSizeModeMgr::~FixedSizeModeMgr() {
23
24	}
25
26	hwc_modes_policy_t FixedSizeModeMgr::getPolicyType() {
27	return FIXED_SIZE_POLICY;
28	}
29
30	const char * FixedSizeModeMgr::getName() {
31	return "FixedSizeMode";
32	}
33
34	void FixedSizeModeMgr::setFramebufferSize(uint32_t w, uint32_t h) {
35	mCurMode.pixelW = mFbWidth = w;
36	mCurMode.pixelH = mFbHeight = h;
37	}
38
39	void FixedSizeModeMgr::setDisplayResources(
40	std::shared_ptr<HwDisplayCrtc> & crtc,
41	std::shared_ptr<HwDisplayConnector> & connector) {
42	mConnector = connector;
43	mCrtc = crtc;
44	}
45
46	int32_t FixedSizeModeMgr::update() {
47	bool useFakeMode = true;
48	drm_mode_info_t realMode;
49
50	if (mConnector->isConnected() && 0 == mCrtc->getMode(realMode)) {
51	if (realMode.name[0] != 0) {
52	mCurMode.refreshRate = realMode.refreshRate;
53	mCurMode.dpiX = ((float)mCurMode.pixelW / realMode.pixelW) * realMode.dpiX;
54	mCurMode.dpiY = ((float)mCurMode.pixelH / realMode.pixelH) * realMode.dpiY;
55	strncpy(mCurMode.name, realMode.name , DRM_DISPLAY_MODE_LEN);
56	MESON_LOGI("ModeMgr update to (%s)", mCurMode.name);
57	useFakeMode = false;
58	}
59	}
60
61	if (useFakeMode) {
62	mCurMode.refreshRate = DEFAULT_REFRESH_RATE;
63	mCurMode.dpiX = mCurMode.dpiY = DEFUALT_DPI;
64	strncpy(mCurMode.name, "NULL", DRM_DISPLAY_MODE_LEN);
65	}
66
67	return 0;
68	}
69
70	int32_t FixedSizeModeMgr::getDisplayMode(drm_mode_info_t & mode) {
71	return mCrtc->getMode(mode);
72	}
73
74	int32_t FixedSizeModeMgr::getDisplayConfigs(
75	uint32_t * outNumConfigs, uint32_t * outConfigs) {
76	*outNumConfigs = 1;
77	if (outConfigs) {
78	*outConfigs = 0;
79	}
80	return HWC2_ERROR_NONE;
81	}
82
83	int32_t FixedSizeModeMgr::getDisplayAttribute(
84	uint32_t config __unused, int32_t attribute, int32_t * outValue,
85	int32_t caller __unused) {
86	switch (attribute) {
87	case HWC2_ATTRIBUTE_WIDTH:
88	*outValue = mCurMode.pixelW;
89	break;
90	case HWC2_ATTRIBUTE_HEIGHT:
91	*outValue = mCurMode.pixelH;
92	break;
93	case HWC2_ATTRIBUTE_VSYNC_PERIOD:
94	if (HwcConfig::isHeadlessMode()) {
95	*outValue = 1e9 / HwcConfig::headlessRefreshRate();
96	} else {
97	*outValue = 1e9 / mCurMode.refreshRate;
98	}
99	break;
100	case HWC2_ATTRIBUTE_DPI_X:
101	*outValue = mCurMode.dpiX * 1000.0f;
102	break;
103	case HWC2_ATTRIBUTE_DPI_Y:
104	*outValue = mCurMode.dpiY * 1000.0f;
105	break;
106	default:
107	MESON_LOGE("Unkown display attribute(%d)", attribute);
108	break;
109	}
110
111	return HWC2_ERROR_NONE;
112	}
113
114	int32_t FixedSizeModeMgr::getActiveConfig(
115	uint32_t * outConfig, int32_t caller __unused) {
116	*outConfig = 0;
117	return HWC2_ERROR_NONE;
118	}
119
120	int32_t FixedSizeModeMgr::setActiveConfig(
121	uint32_t config) {
122	if (config > 0) {
123	MESON_LOGE("FixedSizeModeMgr dont support config (%d)", config);
124	}
125	return HWC2_ERROR_NONE;
126	}
127
128	void FixedSizeModeMgr::dump(String8 & dumpstr) {
129	dumpstr.appendFormat("FixedSizeModeMgr:(%s)\n", mCurMode.name);
130	dumpstr.append("---------------------------------------------------------"
131	"-------------------------\n");
132	dumpstr.append("| CONFIG | VSYNC_PERIOD | WIDTH | HEIGHT |"
133	" DPI_X | DPI_Y |\n");
134	dumpstr.append("+------------+------------------+-----------+------------+"
135	"-----------+-----------+\n");
136	dumpstr.appendFormat("| %2d | %.3f | %5d | %5d |"
137	" %3d | %3d |\n",
138	0,
139	mCurMode.refreshRate,
140	mCurMode.pixelW,
141	mCurMode.pixelH,
142	mCurMode.dpiX,
143	mCurMode.dpiY);
144	dumpstr.append("---------------------------------------------------------"
145	"-------------------------\n");
146	}
147
148