1/*-------------------------------------------------------------------------
2 * drawElements Quality Program Tester Core
3 * ----------------------------------------
4 *
5 * Copyright 2014 The Android Open Source Project
6 *
7 * Licensed under the Apache License, Version 2.0 (the "License");
8 * you may not use this file except in compliance with the License.
9 * You may obtain a copy of the License at
10 *
11 *      http://www.apache.org/licenses/LICENSE-2.0
12 *
13 * Unless required by applicable law or agreed to in writing, software
14 * distributed under the License is distributed on an "AS IS" BASIS,
15 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16 * See the License for the specific language governing permissions and
17 * limitations under the License.
18 *
19 *//*!
20 * \file
21 * \brief Android window.
22 *//*--------------------------------------------------------------------*/
23
24#include "tcuAndroidWindow.hpp"
25
26namespace tcu
27{
28namespace Android
29{
30
31using std::vector;
32
33// Window
34
35Window::Window (ANativeWindow* window)
36	: m_window	(window)
37	, m_state	(STATE_AVAILABLE)
38{
39}
40
41Window::~Window (void)
42{
43}
44
45void Window::setBuffersGeometry (int width, int height, int32_t format)
46{
47	ANativeWindow_setBuffersGeometry(m_window, width, height, format);
48}
49
50IVec2 Window::getSize (void) const
51{
52	const int32_t	width	= ANativeWindow_getWidth(m_window);
53	const int32_t	height	= ANativeWindow_getHeight(m_window);
54	return IVec2(width, height);
55}
56
57bool Window::tryAcquire (void)
58{
59	de::ScopedLock lock(m_stateLock);
60
61	if (m_state == STATE_AVAILABLE)
62	{
63		m_state = STATE_IN_USE;
64		return true;
65	}
66	else
67		return false;
68}
69
70void Window::release (void)
71{
72	de::ScopedLock lock(m_stateLock);
73
74	if (m_state == STATE_IN_USE)
75	{
76		// Reset buffer size and format back to initial state
77		ANativeWindow_setBuffersGeometry(m_window, 0, 0, 0);
78
79		m_state = STATE_AVAILABLE;
80	}
81	else if (m_state == STATE_PENDING_DESTROY)
82		m_state = STATE_READY_FOR_DESTROY;
83	else
84		DE_FATAL("Invalid window state");
85}
86
87void Window::markForDestroy (void)
88{
89	de::ScopedLock lock(m_stateLock);
90
91	if (m_state == STATE_AVAILABLE)
92		m_state = STATE_READY_FOR_DESTROY;
93	else if (m_state == STATE_IN_USE)
94		m_state = STATE_PENDING_DESTROY;
95	else
96		DE_FATAL("Invalid window state");
97}
98
99bool Window::isPendingDestroy (void) const
100{
101	de::ScopedLock lock(m_stateLock);
102	return m_state == STATE_PENDING_DESTROY;
103}
104
105bool Window::tryAcquireForDestroy (bool onlyMarked)
106{
107	de::ScopedLock lock(m_stateLock);
108
109	if (m_state == STATE_READY_FOR_DESTROY ||
110		(!onlyMarked && m_state == STATE_AVAILABLE))
111	{
112		m_state = STATE_ACQUIRED_FOR_DESTROY;
113		return true;
114	}
115	else
116		return false;
117}
118
119// WindowRegistry
120
121WindowRegistry::WindowRegistry (void)
122{
123}
124
125WindowRegistry::~WindowRegistry (void)
126{
127	for (vector<Window*>::const_iterator winIter = m_windows.begin(); winIter != m_windows.end(); winIter++)
128	{
129		Window* const window = *winIter;
130
131		if (window->tryAcquireForDestroy(false))
132			delete window;
133		else
134		{
135			print("ERROR: Window was not available for deletion, leaked tcu::Android::Window!\n");
136			DE_FATAL("Window leaked");
137		}
138	}
139}
140
141void WindowRegistry::addWindow (ANativeWindow* window)
142{
143	m_windows.reserve(m_windows.size()+1);
144	m_windows.push_back(new Window(window));
145}
146
147void WindowRegistry::destroyWindow (ANativeWindow* rawHandle)
148{
149	for (int ndx = 0; ndx < (int)m_windows.size(); ++ndx)
150	{
151		Window* const window = m_windows[ndx];
152
153		if (window->getNativeWindow() == rawHandle)
154		{
155			if (window->tryAcquireForDestroy(false))
156			{
157				delete window;
158				m_windows[ndx] = m_windows.back();
159				m_windows.pop_back();
160			}
161			else
162				window->markForDestroy();
163
164			return;
165		}
166	}
167
168	throw tcu::InternalError("Window not registered", DE_NULL, __FILE__, __LINE__);
169}
170
171Window* WindowRegistry::tryAcquireWindow (void)
172{
173	for (int ndx = 0; ndx < (int)m_windows.size(); ++ndx)
174	{
175		Window* const window = m_windows[ndx];
176
177		if (window->tryAcquire())
178			return window;
179	}
180
181	return DE_NULL;
182}
183
184void WindowRegistry::garbageCollect (void)
185{
186	for (int ndx = 0; ndx < (int)m_windows.size(); ++ndx)
187	{
188		Window* const window = m_windows[ndx];
189
190		if (window->tryAcquireForDestroy(true))
191		{
192			delete window;
193			m_windows[ndx] = m_windows.back();
194			m_windows.pop_back();
195			ndx -= 1;
196		}
197	}
198}
199
200} // Android
201} // tcu
202