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		m_state = STATE_AVAILABLE;
76	else if (m_state == STATE_PENDING_DESTROY)
77		m_state = STATE_READY_FOR_DESTROY;
78	else
79		DE_ASSERT(!"Invalid window state");
80}
81
82void Window::markForDestroy (void)
83{
84	de::ScopedLock lock(m_stateLock);
85
86	if (m_state == STATE_AVAILABLE)
87		m_state = STATE_READY_FOR_DESTROY;
88	else if (m_state == STATE_IN_USE)
89		m_state = STATE_PENDING_DESTROY;
90	else
91		DE_ASSERT(!"Invalid window state");
92}
93
94bool Window::isPendingDestroy (void) const
95{
96	de::ScopedLock lock(m_stateLock);
97	return m_state == STATE_PENDING_DESTROY;
98}
99
100bool Window::tryAcquireForDestroy (bool onlyMarked)
101{
102	de::ScopedLock lock(m_stateLock);
103
104	if (m_state == STATE_READY_FOR_DESTROY ||
105		(!onlyMarked && m_state == STATE_AVAILABLE))
106	{
107		m_state = STATE_ACQUIRED_FOR_DESTROY;
108		return true;
109	}
110	else
111		return false;
112}
113
114// WindowRegistry
115
116WindowRegistry::WindowRegistry (void)
117{
118}
119
120WindowRegistry::~WindowRegistry (void)
121{
122	for (vector<Window*>::const_iterator winIter = m_windows.begin(); winIter != m_windows.end(); winIter++)
123	{
124		Window* const window = *winIter;
125
126		if (window->tryAcquireForDestroy(false))
127			delete window;
128		else
129		{
130			print("ERROR: Window was not available for deletion, leaked tcu::Android::Window!\n");
131			DE_ASSERT(!"Window leaked");
132		}
133	}
134}
135
136void WindowRegistry::addWindow (ANativeWindow* window)
137{
138	m_windows.reserve(m_windows.size()+1);
139	m_windows.push_back(new Window(window));
140}
141
142void WindowRegistry::destroyWindow (ANativeWindow* rawHandle)
143{
144	for (int ndx = 0; ndx < (int)m_windows.size(); ++ndx)
145	{
146		Window* const window = m_windows[ndx];
147
148		if (window->getNativeWindow() == rawHandle)
149		{
150			if (window->tryAcquireForDestroy(false))
151			{
152				delete window;
153				m_windows[ndx] = m_windows.back();
154				m_windows.pop_back();
155			}
156			else
157				window->markForDestroy();
158
159			return;
160		}
161	}
162
163	throw tcu::InternalError("Window not registered", DE_NULL, __FILE__, __LINE__);
164}
165
166Window* WindowRegistry::tryAcquireWindow (void)
167{
168	for (int ndx = 0; ndx < (int)m_windows.size(); ++ndx)
169	{
170		Window* const window = m_windows[ndx];
171
172		if (window->tryAcquire())
173			return window;
174	}
175
176	return DE_NULL;
177}
178
179void WindowRegistry::garbageCollect (void)
180{
181	for (int ndx = 0; ndx < (int)m_windows.size(); ++ndx)
182	{
183		Window* const window = m_windows[ndx];
184
185		if (window->tryAcquireForDestroy(true))
186		{
187			delete window;
188			m_windows[ndx] = m_windows.back();
189			m_windows.pop_back();
190			ndx -= 1;
191		}
192	}
193}
194
195} // Android
196} // tcu
197