1// Copyright (C) 2017 The Qt Company Ltd.
2// SPDX-License-Identifier: LicenseRef-Qt-Commercial OR LGPL-3.0-only OR GPL-2.0-only OR GPL-3.0-only
3
4#include "qeglfskmsgbmwindow_p.h"
5#include "qeglfskmsgbmintegration_p.h"
6#include "qeglfskmsgbmscreen_p.h"
7
8#include <QtGui/private/qeglconvenience_p.h>
9
10QT_BEGIN_NAMESPACE
11
12#ifndef EGL_EXT_platform_base
13typedef EGLSurface (EGLAPIENTRYP PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC) (EGLDisplay dpy, EGLConfig config, void *native_window, const EGLint *attrib_list);
14#endif
15
16void QEglFSKmsGbmWindow::resetSurface()
17{
18 QEglFSKmsGbmScreen *gbmScreen = static_cast<QEglFSKmsGbmScreen *>(screen());
19 EGLDisplay display = gbmScreen->display();
20 QSurfaceFormat platformFormat = m_integration->surfaceFormatFor(inputFormat: window()->requestedFormat());
21 m_config = QEglFSDeviceIntegration::chooseConfig(display, format: platformFormat);
22 m_format = q_glFormatFromConfig(display, config: m_config, referenceFormat: platformFormat);
23 // One fullscreen window per screen -> the native window is simply the gbm_surface the screen created.
24 m_window = reinterpret_cast<EGLNativeWindowType>(gbmScreen->createSurface(eglConfig: m_config));
25
26 PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC createPlatformWindowSurface = nullptr;
27 const char *extensions = eglQueryString(EGL_NO_DISPLAY, EGL_EXTENSIONS);
28 if (extensions && (strstr(haystack: extensions, needle: "EGL_KHR_platform_gbm") || strstr(haystack: extensions, needle: "EGL_MESA_platform_gbm"))) {
29 createPlatformWindowSurface = reinterpret_cast<PFNEGLCREATEPLATFORMWINDOWSURFACEEXTPROC>(
30 eglGetProcAddress(procname: "eglCreatePlatformWindowSurfaceEXT"));
31 }
32
33 if (createPlatformWindowSurface) {
34 QVector<EGLint> contextAttributes;
35#ifdef EGL_EXT_protected_content
36 if (platformFormat.testOption(option: QSurfaceFormat::ProtectedContent)) {
37 if (q_hasEglExtension(display, extensionName: "EGL_EXT_protected_content")) {
38 contextAttributes.append(EGL_PROTECTED_CONTENT_EXT);
39 contextAttributes.append(EGL_TRUE);
40 qCDebug(qLcEglfsKmsDebug, "Enabled EGL_PROTECTED_CONTENT_EXT for eglCreatePlatformWindowSurfaceEXT");
41 } else {
42 m_format.setOption(option: QSurfaceFormat::ProtectedContent, on: false);
43 }
44 }
45#endif
46 contextAttributes.append(EGL_NONE);
47
48 m_surface = createPlatformWindowSurface(display, m_config, reinterpret_cast<void *>(m_window), contextAttributes.constData());
49 } else {
50 qCDebug(qLcEglfsKmsDebug, "No eglCreatePlatformWindowSurface for GBM, falling back to eglCreateWindowSurface");
51 m_surface = eglCreateWindowSurface(dpy: display, config: m_config, win: m_window, attrib_list: nullptr);
52 }
53}
54
55void QEglFSKmsGbmWindow::invalidateSurface()
56{
57 QEglFSKmsGbmScreen *gbmScreen = static_cast<QEglFSKmsGbmScreen *>(screen());
58 QEglFSWindow::invalidateSurface();
59 gbmScreen->resetSurface();
60}
61
62QT_END_NAMESPACE
63

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