diff options
Diffstat (limited to 'src/plugins/platforms/kms/qkmsscreen.cpp')
| -rw-r--r-- | src/plugins/platforms/kms/qkmsscreen.cpp | 275 |
1 files changed, 0 insertions, 275 deletions
diff --git a/src/plugins/platforms/kms/qkmsscreen.cpp b/src/plugins/platforms/kms/qkmsscreen.cpp deleted file mode 100644 index 6392b99cd5..0000000000 --- a/src/plugins/platforms/kms/qkmsscreen.cpp +++ /dev/null @@ -1,275 +0,0 @@ -/**************************************************************************** -** -** Copyright (C) 2015 The Qt Company Ltd. -** Contact: http://www.qt.io/licensing/ -** -** This file is part of the plugins of the Qt Toolkit. -** -** $QT_BEGIN_LICENSE:LGPL21$ -** Commercial License Usage -** Licensees holding valid commercial Qt licenses may use this file in -** accordance with the commercial license agreement provided with the -** Software or, alternatively, in accordance with the terms contained in -** a written agreement between you and The Qt Company. For licensing terms -** and conditions see http://www.qt.io/terms-conditions. For further -** information use the contact form at http://www.qt.io/contact-us. -** -** GNU Lesser General Public License Usage -** Alternatively, this file may be used under the terms of the GNU Lesser -** General Public License version 2.1 or version 3 as published by the Free -** Software Foundation and appearing in the file LICENSE.LGPLv21 and -** LICENSE.LGPLv3 included in the packaging of this file. Please review the -** following information to ensure the GNU Lesser General Public License -** requirements will be met: https://www.gnu.org/licenses/lgpl.html and -** http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html. -** -** As a special exception, The Qt Company gives you certain additional -** rights. These rights are described in The Qt Company LGPL Exception -** version 1.1, included in the file LGPL_EXCEPTION.txt in this package. -** -** $QT_END_LICENSE$ -** -****************************************************************************/ - -#include "qkmsscreen.h" -#include "qkmscursor.h" -#include "qkmsdevice.h" -#include "qkmscontext.h" - -#include <QtPlatformSupport/private/qeglconvenience_p.h> - -#include <QCoreApplication> -#include <QtDebug> - -QT_BEGIN_NAMESPACE - -Q_LOGGING_CATEGORY(lcQpaScreen, "qt.qpa.kms.screen") - -//Fallback mode (taken from Wayland DRM demo compositor) -static drmModeModeInfo builtin_1024x768 = { - 63500, //clock - 1024, 1072, 1176, 1328, 0, - 768, 771, 775, 798, 0, - 59920, - DRM_MODE_FLAG_NHSYNC | DRM_MODE_FLAG_PVSYNC, - 0, - "1024x768" -}; - -QKmsScreen::QKmsScreen(QKmsDevice *device, const drmModeRes *resources, const drmModeConnector *connector) - : m_device(device), - m_current_bo(0), - m_next_bo(0), - m_connectorId(connector->connector_id), - m_depth(32), - m_format(QImage::Format_Invalid), - m_eglWindowSurface(EGL_NO_SURFACE), - m_modeSet(false) -{ - m_cursor = new QKmsCursor(this); - initializeScreenMode(resources, connector); -} - -QKmsScreen::~QKmsScreen() -{ - delete m_cursor; - drmModeSetCrtc(m_device->fd(), m_oldCrtc->crtc_id, m_oldCrtc->buffer_id, - m_oldCrtc->x, m_oldCrtc->y, - &m_connectorId, 1, &m_oldCrtc->mode); - drmModeFreeCrtc(m_oldCrtc); - if (m_eglWindowSurface != EGL_NO_SURFACE) - eglDestroySurface(m_device->eglDisplay(), m_eglWindowSurface); - gbm_surface_destroy(m_gbmSurface); -} - -QRect QKmsScreen::geometry() const -{ - return m_geometry; -} - -int QKmsScreen::depth() const -{ - return m_depth; -} - -QImage::Format QKmsScreen::format() const -{ - return m_format; -} - -QSizeF QKmsScreen::physicalSize() const -{ - return m_physicalSize; -} - -QPlatformCursor *QKmsScreen::cursor() const -{ - return m_cursor; -} - -void QKmsScreen::initializeScreenMode(const drmModeRes *resources, const drmModeConnector *connector) -{ - //Determine optimal mode for screen - drmModeModeInfo *mode = 0; - for (int i = 0; i < connector->count_modes; ++i) { - if (connector->modes[i].type & DRM_MODE_TYPE_PREFERRED) { - mode = &connector->modes[i]; - break; - } - } - if (!mode) { - if (connector->count_modes > 0) - mode = &connector->modes[0]; - else - mode = &builtin_1024x768; - } - - drmModeEncoder *encoder = drmModeGetEncoder(m_device->fd(), connector->encoders[0]); - if (encoder == 0) - qFatal("No encoder for connector."); - - int i; - for (i = 0; i < resources->count_crtcs; i++) { - if (encoder->possible_crtcs & (1 << i)) - break; - } - if (i == resources->count_crtcs) - qFatal("No usable crtc for encoder."); - - m_oldCrtc = drmModeGetCrtc(m_device->fd(), encoder->crtc_id); - - m_crtcId = resources->crtcs[i]; - m_mode = *mode; - m_geometry = QRect(0, 0, m_mode.hdisplay, m_mode.vdisplay); - qCDebug(lcQpaScreen) << "kms initialized with geometry" << m_geometry; - m_depth = 32; - m_format = QImage::Format_RGB32; - m_physicalSize = QSizeF(connector->mmWidth, connector->mmHeight); - - m_gbmSurface = gbm_surface_create(m_device->gbmDevice(), - m_mode.hdisplay, m_mode.vdisplay, - GBM_BO_FORMAT_XRGB8888, - GBM_BO_USE_SCANOUT | GBM_BO_USE_RENDERING); - - qCDebug(lcQpaScreen) << "created gbm surface" << m_gbmSurface << m_mode.hdisplay << m_mode.vdisplay; - //Cleanup - drmModeFreeEncoder(encoder); -} - -QSurfaceFormat QKmsScreen::tweakFormat(const QSurfaceFormat &format) -{ - QSurfaceFormat fmt = format; - fmt.setRedBufferSize(8); - fmt.setGreenBufferSize(8); - fmt.setBlueBufferSize(8); - if (fmt.alphaBufferSize() != -1) - fmt.setAlphaBufferSize(8); - return fmt; -} - -void QKmsScreen::initializeWithFormat(const QSurfaceFormat &format) -{ - EGLDisplay display = m_device->eglDisplay(); - EGLConfig config = q_configFromGLFormat(display, tweakFormat(format)); - - m_eglWindowSurface = eglCreateWindowSurface(display, config, (EGLNativeWindowType)m_gbmSurface, NULL); - qCDebug(lcQpaScreen) << "created window surface"; - m_surfaceFormat = q_glFormatFromConfig(display, config); -} - -void QKmsScreen::swapBuffers() -{ - eglSwapBuffers(m_device->eglDisplay(), m_eglWindowSurface); - - m_next_bo = gbm_surface_lock_front_buffer(m_gbmSurface); - if (!m_next_bo) - qFatal("kms: Failed to lock front buffer"); - - performPageFlip(); -} - -void QKmsScreen::performPageFlip() -{ - if (!m_next_bo) - return; - - uint32_t width = gbm_bo_get_width(m_next_bo); - uint32_t height = gbm_bo_get_height(m_next_bo); - uint32_t stride = gbm_bo_get_stride(m_next_bo); - uint32_t handle = gbm_bo_get_handle(m_next_bo).u32; - - uint32_t fb_id; - int ret = drmModeAddFB(m_device->fd(), width, height, 24, 32, - stride, handle, &fb_id); - if (ret) { - qFatal("kms: Failed to create fb: fd %d, w %d, h %d, stride %d, handle %d, ret %d", - m_device->fd(), width, height, stride, handle, ret); - } - - if (!m_modeSet) { - //Set the Mode of the screen. - int ret = drmModeSetCrtc(m_device->fd(), m_crtcId, fb_id, - 0, 0, &m_connectorId, 1, &m_mode); - if (ret) - qFatal("failed to set mode"); - m_modeSet = true; - - // Initialize cursor - - static int hideCursor = qEnvironmentVariableIntValue("QT_QPA_KMS_HIDECURSOR"); - if (!hideCursor) { - QCursor cursor(Qt::ArrowCursor); - m_cursor->changeCursor(&cursor, 0); - } - } - - int pageFlipStatus = drmModePageFlip(m_device->fd(), m_crtcId, - fb_id, - DRM_MODE_PAGE_FLIP_EVENT, this); - if (pageFlipStatus) - { - qWarning("Pageflip status: %d", pageFlipStatus); - gbm_surface_release_buffer(m_gbmSurface, m_next_bo); - m_next_bo = 0; - } -} - -void QKmsScreen::handlePageFlipped() -{ - if (m_current_bo) - gbm_surface_release_buffer(m_gbmSurface, m_current_bo); - - m_current_bo = m_next_bo; - m_next_bo = 0; -} - -QKmsDevice * QKmsScreen::device() const -{ - return m_device; -} - -void QKmsScreen::waitForPageFlipComplete() -{ - while (m_next_bo) { -#if 0 - //Check manually if there is something to be read on the device - //as there are senarios where the signal is not received (starvation) - fd_set fdSet; - timeval timeValue; - int returnValue; - - FD_ZERO(&fdSet); - FD_SET(m_device->fd(), &fdSet); - timeValue.tv_sec = 0; - timeValue.tv_usec = 1000; - - returnValue = select(1, &fdSet, 0, 0, &timeValue); - printf("select returns %d\n", returnValue); -#endif - - m_device->handlePageFlipCompleted(); - } -} - - -QT_END_NAMESPACE |