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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
46QT_BEGIN_NAMESPACE
47
48#ifndef EGL_EXT_platform_base
49typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) (EGLDisplay dpy, EGLConfig config, void *native_window, const EGLint *attrib_list);
50#endif
51
52void QEglFSKmsGbmWindow::resetSurface()
53{
54 QEglFSKmsGbmScreen *gbmScreen = static_cast<QEglFSKmsGbmScreen *>(screen());
55 EGLDisplay display = gbmScreen->display();
56 QSurfaceFormat platformFormat = m_integration->surfaceFormatFor(inputFormat: window()->requestedFormat());
57 m_config = QEglFSDeviceIntegration::chooseConfig(display, format: platformFormat);
58 m_format = q_glFormatFromConfig(display, config: m_config, referenceFormat: 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(eglConfig: m_config));
61
62 PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC createPlatformWindowSurface = nullptr;
63 const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
64 if (extensions && (strstr(haystack: extensions, needle: "EGL_KHR_platform_gbm") || strstr(haystack: extensions, needle: "EGL_MESA_platform_gbm"))) {
65 createPlatformWindowSurface = reinterpret_cast<PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC>(
66 eglGetProcAddress(procname: "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(dpy: display, config: m_config, win: m_window, attrib_list: nullptr);
74 }
75}
76
77void QEglFSKmsGbmWindow::invalidateSurface()
78{
79 QEglFSKmsGbmScreen *gbmScreen = static_cast<QEglFSKmsGbmScreen *>(screen());
80 QEglFSWindow::invalidateSurface();
81 gbmScreen->resetSurface();
82}
83
84QT_END_NAMESPACE
85

source code of qtbase/src/plugins/platforms/eglfs/deviceintegration/eglfs_kms/qeglfskmsgbmwindow.cpp