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39 
40 #include "qeglfskmsgbmwindow.h"
41 #include "qeglfskmsgbmintegration.h"
42 #include "qeglfskmsgbmscreen.h"
43 
44 #include <QtEglSupport/private/qeglconvenience_p.h>
45 
46 QT_BEGIN_NAMESPACE
47 
48 #ifndef EGL_EXT_platform_base
49 typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) (EGLDisplay dpy, EGLConfig config, void *native_window, const EGLint *attrib_list);
50 #endif
51 
resetSurface()52 void QEglFSKmsGbmWindow::resetSurface()
53 {
54     QEglFSKmsGbmScreen *gbmScreen = static_cast<QEglFSKmsGbmScreen *>(screen());
55     EGLDisplay display = gbmScreen->display();
56     QSurfaceFormat platformFormat = m_integration->surfaceFormatFor(window()->requestedFormat());
57     m_config = QEglFSDeviceIntegration::chooseConfig(display, platformFormat);
58     m_format = q_glFormatFromConfig(display, m_config, platformFormat);
59     // One fullscreen window per screen -> the native window is simply the gbm_surface the screen created.
60     m_window = reinterpret_cast<EGLNativeWindowType>(gbmScreen->createSurface(m_config));
61 
62     PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC createPlatformWindowSurface = nullptr;
63     const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
64     if (extensions && (strstr(extensions, "EGL_KHR_platform_gbm") || strstr(extensions, "EGL_MESA_platform_gbm"))) {
65         createPlatformWindowSurface = reinterpret_cast<PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC>(
66             eglGetProcAddress("eglCreatePlatformWindowSurfaceEXT"));
67     }
68 
69     if (createPlatformWindowSurface) {
70         m_surface = createPlatformWindowSurface(display, m_config, reinterpret_cast<void *>(m_window), nullptr);
71     } else {
72         qCDebug(qLcEglfsKmsDebug, "No eglCreatePlatformWindowSurface for GBM, falling back to eglCreateWindowSurface");
73         m_surface = eglCreateWindowSurface(display, m_config, m_window, nullptr);
74     }
75 }
76 
invalidateSurface()77 void QEglFSKmsGbmWindow::invalidateSurface()
78 {
79     QEglFSKmsGbmScreen *gbmScreen = static_cast<QEglFSKmsGbmScreen *>(screen());
80     QEglFSWindow::invalidateSurface();
81     gbmScreen->resetSurface();
82 }
83 
84 QT_END_NAMESPACE
85