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qeglstreamconvenience.cpp

Absolute File Name:/home/qt/qt5_coco/qt5/qtbase/src/platformsupport/eglconvenience/qeglstreamconvenience.cpp
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1/****************************************************************************-
2**-
3** Copyright (C) 2016 The Qt Company Ltd.-
4** Contact: https://www.qt.io/licensing/-
5**-
6** This file is part of the plugins of the Qt Toolkit.-
7**-
8** $QT_BEGIN_LICENSE:LGPL$-
9** Commercial License Usage-
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15** information use the contact form at https://www.qt.io/contact-us.-
16**-
17** GNU Lesser General Public License Usage-
18** Alternatively, this file may be used under the terms of the GNU Lesser-
19** General Public License version 3 as published by the Free Software-
20** Foundation and appearing in the file LICENSE.LGPL3 included in the-
21** packaging of this file. Please review the following information to-
22** ensure the GNU Lesser General Public License version 3 requirements-
23** will be met: https://www.gnu.org/licenses/lgpl-3.0.html.-
24**-
25** GNU General Public License Usage-
26** Alternatively, this file may be used under the terms of the GNU-
27** General Public License version 2.0 or (at your option) the GNU General-
28** Public license version 3 or any later version approved by the KDE Free-
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36** $QT_END_LICENSE$-
37**-
38****************************************************************************/-
39-
40#include "qeglstreamconvenience_p.h"-
41#include <string.h>-
42-
43QT_BEGIN_NAMESPACE-
44-
45QEGLStreamConvenience::QEGLStreamConvenience()-
46 : initialized(false),-
47 has_egl_platform_device(false),-
48 has_egl_device_base(false),-
49 has_egl_stream(false),-
50 has_egl_stream_producer_eglsurface(false),-
51 has_egl_stream_consumer_egloutput(false),-
52 has_egl_output_drm(false),-
53 has_egl_output_base(false),-
54 has_egl_stream_cross_process_fd(false),-
55 has_egl_stream_consumer_gltexture(false)-
56{-
57 const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);-
58 if (!extensions) {
!extensionsDescription
TRUEnever evaluated
FALSEnever evaluated
0
59 qWarning("Failed to query EGL extensions");-
60 return;
never executed: return;
0
61 }-
62-
63 query_devices = reinterpret_cast<PFNEGLQUERYDEVICESEXTPROC>(eglGetProcAddress("eglQueryDevicesEXT"));-
64 query_device_string = reinterpret_cast<PFNEGLQUERYDEVICESTRINGEXTPROC>(eglGetProcAddress("eglQueryDeviceStringEXT"));-
65 get_platform_display = reinterpret_cast<PFNEGLGETPLATFORMDISPLAYEXTPROC>(eglGetProcAddress("eglGetPlatformDisplayEXT"));-
66-
67 has_egl_device_base = strstr(extensions, "EGL_EXT_device_base");-
68 has_egl_platform_device = strstr(extensions, "EGL_EXT_platform_device");-
69}
never executed: end of block
0
70-
71void QEGLStreamConvenience::initialize(EGLDisplay dpy)-
72{-
73 if (initialized)
initializedDescription
TRUEnever evaluated
FALSEnever evaluated
0
74 return;
never executed: return;
0
75-
76 if (!eglBindAPI(EGL_OPENGL_ES_API)) {
!eglBindAPI(0x30A0)Description
TRUEnever evaluated
FALSEnever evaluated
0
77 qWarning("Failed to bind OpenGL ES API");-
78 return;
never executed: return;
0
79 }-
80-
81 const char *extensions = eglQueryString(dpy, EGL_EXTENSIONS);-
82 if (!extensions) {
!extensionsDescription
TRUEnever evaluated
FALSEnever evaluated
0
83 qWarning("Failed to query EGL extensions");-
84 return;
never executed: return;
0
85 }-
86-
87 create_stream = reinterpret_cast<PFNEGLCREATESTREAMKHRPROC>(eglGetProcAddress("eglCreateStreamKHR"));-
88 destroy_stream = reinterpret_cast<PFNEGLDESTROYSTREAMKHRPROC>(eglGetProcAddress("eglDestroyStreamKHR"));-
89 stream_attrib = reinterpret_cast<PFNEGLSTREAMATTRIBKHRPROC>(eglGetProcAddress("eglStreamAttribKHR"));-
90 query_stream = reinterpret_cast<PFNEGLQUERYSTREAMKHRPROC>(eglGetProcAddress("eglQueryStreamKHR"));-
91 query_stream_u64 = reinterpret_cast<PFNEGLQUERYSTREAMU64KHRPROC>(eglGetProcAddress("eglQueryStreamu64KHR"));-
92 create_stream_producer_surface = reinterpret_cast<PFNEGLCREATESTREAMPRODUCERSURFACEKHRPROC>(eglGetProcAddress("eglCreateStreamProducerSurfaceKHR"));-
93 stream_consumer_output = reinterpret_cast<PFNEGLSTREAMCONSUMEROUTPUTEXTPROC>(eglGetProcAddress("eglStreamConsumerOutputEXT"));-
94 get_output_layers = reinterpret_cast<PFNEGLGETOUTPUTLAYERSEXTPROC>(eglGetProcAddress("eglGetOutputLayersEXT"));-
95 get_output_ports = reinterpret_cast<PFNEGLGETOUTPUTPORTSEXTPROC>(eglGetProcAddress("eglGetOutputPortsEXT"));-
96 output_layer_attrib = reinterpret_cast<PFNEGLOUTPUTLAYERATTRIBEXTPROC>(eglGetProcAddress("eglOutputLayerAttribEXT"));-
97 query_output_layer_attrib = reinterpret_cast<PFNEGLQUERYOUTPUTLAYERATTRIBEXTPROC>(eglGetProcAddress("eglQueryOutputLayerAttribEXT"));-
98 query_output_layer_string = reinterpret_cast<PFNEGLQUERYOUTPUTLAYERSTRINGEXTPROC>(eglGetProcAddress("eglQueryOutputLayerStringEXT"));-
99 query_output_port_attrib = reinterpret_cast<PFNEGLQUERYOUTPUTPORTATTRIBEXTPROC>(eglGetProcAddress("eglQueryOutputPortAttribEXT"));-
100 query_output_port_string = reinterpret_cast<PFNEGLQUERYOUTPUTPORTSTRINGEXTPROC>(eglGetProcAddress("eglQueryOutputPortStringEXT"));-
101 get_stream_file_descriptor = reinterpret_cast<PFNEGLGETSTREAMFILEDESCRIPTORKHRPROC>(eglGetProcAddress("eglGetStreamFileDescriptorKHR"));-
102 create_stream_from_file_descriptor = reinterpret_cast<PFNEGLCREATESTREAMFROMFILEDESCRIPTORKHRPROC>(eglGetProcAddress("eglCreateStreamFromFileDescriptorKHR"));-
103 stream_consumer_gltexture = reinterpret_cast<PFNEGLSTREAMCONSUMERGLTEXTUREEXTERNALKHRPROC>(eglGetProcAddress("eglStreamConsumerGLTextureExternalKHR"));-
104 stream_consumer_acquire = reinterpret_cast<PFNEGLSTREAMCONSUMERACQUIREKHRPROC>(eglGetProcAddress("eglStreamConsumerAcquireKHR"));-
105 stream_consumer_release = reinterpret_cast<PFNEGLSTREAMCONSUMERRELEASEKHRPROC>(eglGetProcAddress("eglStreamConsumerReleaseKHR"));-
106-
107 has_egl_stream = strstr(extensions, "EGL_KHR_stream");-
108 has_egl_stream_producer_eglsurface = strstr(extensions, "EGL_KHR_stream_producer_eglsurface");-
109 has_egl_stream_consumer_egloutput = strstr(extensions, "EGL_EXT_stream_consumer_egloutput");-
110 has_egl_output_drm = strstr(extensions, "EGL_EXT_output_drm");-
111 has_egl_output_base = strstr(extensions, "EGL_EXT_output_base");-
112 has_egl_stream_cross_process_fd = strstr(extensions, "EGL_KHR_stream_cross_process_fd");-
113 has_egl_stream_consumer_gltexture = strstr(extensions, "EGL_KHR_stream_consumer_gltexture");-
114-
115 initialized = true;-
116}
never executed: end of block
0
117-
118QT_END_NAMESPACE-
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