1 /*-------------------------------------------------------------------------
2 * drawElements Quality Program Tester Core
3 * ----------------------------------------
4 *
5 * Copyright (c) 2016 The Khronos Group Inc.
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 X11 using XCB utilities.
22 *//*--------------------------------------------------------------------*/
23
24 #include "tcuX11Xcb.hpp"
25 #include "deMemory.h"
26
27 namespace tcu
28 {
29 namespace x11
30 {
31
XcbDisplay(EventState & platform,const char * name)32 XcbDisplay::XcbDisplay (EventState& platform, const char* name)
33 : DisplayBase (platform)
34 {
35 m_connection = xcb_connect(name, NULL);
36 const xcb_setup_t *setup = xcb_get_setup(m_connection);
37 xcb_screen_iterator_t iterator = xcb_setup_roots_iterator(setup);
38 m_screen = iterator.data;
39 }
40
~XcbDisplay(void)41 XcbDisplay::~XcbDisplay (void)
42 {
43 xcb_disconnect (m_connection);
44 }
45
processEvents(void)46 void XcbDisplay::processEvents (void)
47 {
48 xcb_generic_event_t *ev;
49 while ((ev = xcb_poll_for_event(m_connection)))
50 {
51 deFree(ev);
52 /* Manage your event */
53 }
54 }
55
XcbWindow(XcbDisplay & display,int width,int height,xcb_visualid_t * visual)56 XcbWindow::XcbWindow (XcbDisplay& display, int width, int height, xcb_visualid_t* visual)
57 : WindowBase ()
58 , m_display (display)
59 {
60 xcb_connection_t* connection = m_display.getConnection();
61 uint32_t values[2];
62 m_window = xcb_generate_id(connection);
63 m_colormap = xcb_generate_id(connection);
64
65 if (visual == DE_NULL)
66 visual = &m_display.getScreen()->root_visual;
67
68 values[0] = m_display.getScreen()->white_pixel;
69 values[1] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_PROPERTY_CHANGE;
70
71 xcb_create_window (
72 connection, // Connection
73 XCB_COPY_FROM_PARENT, // depth (same as root)
74 m_window, // window Id
75 display.getScreen()->root, // parent window
76 0, 0, // x, y
77 static_cast<uint16_t >(width), // width
78 static_cast<uint16_t >(height), // height
79 10, // border_width
80 XCB_WINDOW_CLASS_INPUT_OUTPUT, // class
81 *visual, // visual
82 XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, // masks
83 values //not used yet
84 );
85
86 xcb_create_colormap (
87 connection,
88 XCB_COLORMAP_ALLOC_NONE,
89 m_colormap,
90 m_window,
91 *visual
92 );
93
94 xcb_alloc_color_reply_t* rep = xcb_alloc_color_reply(connection, xcb_alloc_color(connection, m_colormap, 65535, 0, 0), NULL);
95 deFree(rep);
96 xcb_flush (connection);
97 }
98
~XcbWindow(void)99 XcbWindow::~XcbWindow (void)
100 {
101 xcb_flush (m_display.getConnection());
102 xcb_free_colormap(m_display.getConnection(), m_colormap);
103 xcb_destroy_window(m_display.getConnection(), m_window);
104 }
105
setVisibility(bool visible)106 void XcbWindow::setVisibility (bool visible)
107 {
108 if (visible == m_visible)
109 return;
110
111 if (visible)
112 xcb_map_window(m_display.getConnection(), m_window);
113 else
114 xcb_unmap_window(m_display.getConnection(), m_window);
115
116 m_visible = visible;
117 xcb_flush (m_display.getConnection());
118
119 }
120
processEvents(void)121 void XcbWindow::processEvents (void)
122 {
123 // A bit of a hack, since we don't really handle all the events.
124 m_display.processEvents();
125 }
126
getDimensions(int * width,int * height) const127 void XcbWindow::getDimensions (int* width, int* height) const
128 {
129 xcb_get_geometry_reply_t *geom;
130 geom = xcb_get_geometry_reply(m_display.getConnection(), xcb_get_geometry(m_display.getConnection(), m_window), NULL);
131 *height = static_cast<int>(geom->height);
132 *width = static_cast<int>(geom->width);
133 deFree(geom);
134 }
135
setDimensions(int width,int height)136 void XcbWindow::setDimensions (int width, int height)
137 {
138 const uint32_t values[] = {static_cast<uint32_t >(width), static_cast<uint32_t >(height)};
139 xcb_void_cookie_t result;
140 xcb_connection_t* display = m_display.getConnection();
141 result = xcb_configure_window(display, m_window, XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values);
142 DE_ASSERT(DE_NULL == xcb_request_check(display,result));
143 xcb_flush (display);
144
145 for(;;)
146 {
147 xcb_generic_event_t* event = xcb_poll_for_event(display);
148 int w, h;
149 if(event != DE_NULL)
150 {
151 if (XCB_PROPERTY_NOTIFY == (event->response_type & ~0x80))
152 {
153 const xcb_property_notify_event_t* pnEvent = (xcb_property_notify_event_t*)event;
154 if (pnEvent->atom == XCB_ATOM_RESOLUTION)
155 {
156 deFree(event);
157 break;
158 }
159 }
160 deFree(event);
161 }
162 getDimensions (&w,&h);
163 if (h==height || w==width)
164 break;
165 }
166 }
167
168 } // xcb
169 } // tcu
170