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 "tcuLnxX11Xcb.hpp"
25 #include "deMemory.h"
26
27 namespace tcu
28 {
29 namespace lnx
30 {
31 namespace x11
32 {
33
XcbDisplay(EventState & platform,const char * name)34 XcbDisplay::XcbDisplay (EventState& platform, const char* name)
35 : DisplayBase (platform)
36 {
37 m_connection = xcb_connect(name, NULL);
38 const xcb_setup_t *setup = xcb_get_setup(m_connection);
39 xcb_screen_iterator_t iterator = xcb_setup_roots_iterator(setup);
40 m_screen = iterator.data;
41 }
42
~XcbDisplay(void)43 XcbDisplay::~XcbDisplay (void)
44 {
45 xcb_disconnect (m_connection);
46 }
47
processEvents(void)48 void XcbDisplay::processEvents (void)
49 {
50 xcb_generic_event_t *ev;
51 while ((ev = xcb_poll_for_event(m_connection)))
52 {
53 deFree(ev);
54 /* Manage your event */
55 }
56 }
57
XcbWindow(XcbDisplay & display,int width,int height,xcb_visualid_t * visual)58 XcbWindow::XcbWindow (XcbDisplay& display, int width, int height, xcb_visualid_t* visual)
59 : WindowBase ()
60 , m_display (display)
61 {
62 xcb_connection_t* connection = m_display.getConnection();
63 uint32_t values[2];
64 m_window = xcb_generate_id(connection);
65 m_colormap = xcb_generate_id(connection);
66
67 if (visual == DE_NULL)
68 visual = &m_display.getScreen()->root_visual;
69
70 values[0] = m_display.getScreen()->white_pixel;
71 values[1] = XCB_EVENT_MASK_EXPOSURE | XCB_EVENT_MASK_PROPERTY_CHANGE;
72
73 xcb_create_window (
74 connection, // Connection
75 XCB_COPY_FROM_PARENT, // depth (same as root)
76 m_window, // window Id
77 display.getScreen()->root, // parent window
78 0, 0, // x, y
79 static_cast<uint16_t >(width), // width
80 static_cast<uint16_t >(height), // height
81 10, // border_width
82 XCB_WINDOW_CLASS_INPUT_OUTPUT, // class
83 *visual, // visual
84 XCB_CW_BACK_PIXEL | XCB_CW_EVENT_MASK, // masks
85 values //not used yet
86 );
87
88 xcb_create_colormap (
89 connection,
90 XCB_COLORMAP_ALLOC_NONE,
91 m_colormap,
92 m_window,
93 *visual
94 );
95
96 xcb_alloc_color_reply_t* rep = xcb_alloc_color_reply(connection, xcb_alloc_color(connection, m_colormap, 65535, 0, 0), NULL);
97 deFree(rep);
98 xcb_flush (connection);
99 }
100
~XcbWindow(void)101 XcbWindow::~XcbWindow (void)
102 {
103 xcb_flush (m_display.getConnection());
104 xcb_free_colormap(m_display.getConnection(), m_colormap);
105 xcb_destroy_window(m_display.getConnection(), m_window);
106 }
107
setVisibility(bool visible)108 void XcbWindow::setVisibility (bool visible)
109 {
110 if (visible == m_visible)
111 return;
112
113 if (visible)
114 xcb_map_window(m_display.getConnection(), m_window);
115 else
116 xcb_unmap_window(m_display.getConnection(), m_window);
117
118 m_visible = visible;
119 xcb_flush (m_display.getConnection());
120
121 }
122
processEvents(void)123 void XcbWindow::processEvents (void)
124 {
125 // A bit of a hack, since we don't really handle all the events.
126 m_display.processEvents();
127 }
128
getDimensions(int * width,int * height) const129 void XcbWindow::getDimensions (int* width, int* height) const
130 {
131 xcb_get_geometry_reply_t *geom;
132 geom = xcb_get_geometry_reply(m_display.getConnection(), xcb_get_geometry(m_display.getConnection(), m_window), NULL);
133 *height = static_cast<int>(geom->height);
134 *width = static_cast<int>(geom->width);
135 deFree(geom);
136 }
137
setDimensions(int width,int height)138 void XcbWindow::setDimensions (int width, int height)
139 {
140 const uint32_t values[] = {static_cast<uint32_t >(width), static_cast<uint32_t >(height)};
141 xcb_void_cookie_t result;
142 xcb_connection_t* display = m_display.getConnection();
143 result = xcb_configure_window(display, m_window, XCB_CONFIG_WINDOW_WIDTH | XCB_CONFIG_WINDOW_HEIGHT, values);
144 DE_ASSERT(DE_NULL == xcb_request_check(display,result));
145 xcb_flush (display);
146
147 for(;;)
148 {
149 xcb_generic_event_t* event = xcb_poll_for_event(display);
150 int w, h;
151 if(event != DE_NULL)
152 {
153 if (XCB_PROPERTY_NOTIFY == (event->response_type & ~0x80))
154 {
155 const xcb_property_notify_event_t* pnEvent = (xcb_property_notify_event_t*)event;
156 if (pnEvent->atom == XCB_ATOM_RESOLUTION)
157 {
158 deFree(event);
159 break;
160 }
161 }
162 deFree(event);
163 }
164 getDimensions (&w,&h);
165 if (h==height || w==width)
166 break;
167 }
168 }
169
170 } // xcb
171 } // lnx
172 } // tcu
173