Differential D10346 Diff 27284 plugins/platforms/virtual/egl_gbm_backend.cpp

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plugins/platforms/virtual/egl_gbm_backend.cpp

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94bool EglGbmBackend::initializeEgl() 94​bool EglGbmBackend::initializeEgl()
95{ 95​{
96 initClientExtensions(); 96​ initClientExtensions();
97 EGLDisplay display = m_backend->sceneEglDisplay(); 97​ EGLDisplay display = m_backend->sceneEglDisplay();
98 98​
99 // Use eglGetPlatformDisplayEXT() to get the display pointer 99​ // Use eglGetPlatformDisplayEXT() to get the display pointer
100 // if the implementation supports it. 100​ // if the implementation supports it.
101 if (display == EGL_NO_DISPLAY) { 101​ if (display == EGL_NO_DISPLAY) {
102​ const bool hasMesaGBM = hasClientExtension(QByteArrayLiteral("EGL_MESA_platform_gbm"));
103​ const bool hasKHRGBM = hasClientExtension(QByteArrayLiteral("EGL_KHR_platform_gbm"));
104​ const GLenum platform = hasMesaGBM ? EGL_PLATFORM_GBM_MESA : EGL_PLATFORM_GBM_KHR;
105​
102 if (!hasClientExtension(QByteArrayLiteral("EGL_EXT_platform_base")) || 106​ if (!hasClientExtension(QByteArrayLiteral("EGL_EXT_platform_base")) ||
103 !hasClientExtension(QByteArrayLiteral("EGL_MESA_platform_gbm"))) { 107​ (!hasMesaGBM && !hasKHRGBM)) {
104 setFailed("EGL_EXT_platform_base and/or EGL_MESA_platform_gbm missing"); 108​ setFailed("missing one or more extensions between EGL_EXT_platform_base, EGL_MESA_platform_gbm, EGL_KHR_platform_gbm");
105 return false; 109​ return false;
106 } 110​ }
107 111​
108#if HAVE_GBM 112​#if HAVE_GBM
109 initGbmDevice(); 113​ initGbmDevice();
110 if (auto device = m_backend->gbmDevice()) { 114​ if (auto device = m_backend->gbmDevice()) {
111 display = eglGetPlatformDisplayEXT(EGL_PLATFORM_GBM_MESA, device, nullptr); 115​ display = eglGetPlatformDisplayEXT(platform, device, nullptr);
112 } 116​ }
113#endif 117​#endif
114 118​
115 if (display == EGL_NO_DISPLAY) { 119​ if (display == EGL_NO_DISPLAY) {
116 qCWarning(KWIN_VIRTUAL) << "Failed to create EGLDisplay through GBM device, trying with default device"; 120​ qCWarning(KWIN_VIRTUAL) << "Failed to create EGLDisplay through GBM device, trying with default device";
117 display = eglGetPlatformDisplay(EGL_PLATFORM_GBM_MESA, EGL_DEFAULT_DISPLAY, nullptr); 121​ display = eglGetPlatformDisplayEXT(platform, EGL_DEFAULT_DISPLAY, nullptr);
118 } 122​ }
119 } 123​ }
120 124​
121 if (display == EGL_NO_DISPLAY) 125​ if (display == EGL_NO_DISPLAY)
122 return false; 126​ return false;
123 setEglDisplay(display); 127​ setEglDisplay(display);
124 return initEglAPI(); 128​ return initEglAPI();
125} 129​}
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