Differential D9544 Diff 24446 plugins/platforms/fbdev/fb_backend.cpp

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plugins/platforms/fbdev/fb_backend.cpp

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19*********************************************************************/ 19​*********************************************************************/
20#include "fb_backend.h" 20​#include "fb_backend.h"
21#include "composite.h" 21​#include "composite.h"
22#include "logging.h" 22​#include "logging.h"
23#include "logind.h" 23​#include "logind.h"
24#include "scene_qpainter_fb_backend.h" 24​#include "scene_qpainter_fb_backend.h"
25#include "screens.h" 25​#include "screens.h"
26#include "virtual_terminal.h" 26​#include "virtual_terminal.h"
27​#include "udev.h"
27// system 28​// system
28#include <fcntl.h> 29​#include <fcntl.h>
29#include <unistd.h> 30​#include <unistd.h>
30#include <sys/ioctl.h> 31​#include <sys/ioctl.h>
31#include <sys/mman.h> 32​#include <sys/mman.h>
32// Linux 33​// Linux
33#include <linux/fb.h> 34​#include <linux/fb.h>
34 35​
35namespace KWin 36​namespace KWin
36{ 37​{
37 38​
38FramebufferBackend::FramebufferBackend(QObject *parent) 39​FramebufferBackend::FramebufferBackend(QObject *parent)
39 : Platform(parent) 40​ : Platform(parent)
41​ , m_udev(new Udev)
40{ 42​{
41} 43​}
42 44​
43FramebufferBackend::~FramebufferBackend() 45​FramebufferBackend::~FramebufferBackend()
44{ 46​{
45 unmap(); 47​ unmap();
46 if (m_fd >= 0) { 48​ if (m_fd >= 0) {
47 close(m_fd); 49​ close(m_fd);
Show All 27 Lines64{
75 } else { 77​ } else {
76 connect(logind, &LogindIntegration::connectedChanged, this, takeControl); 78​ connect(logind, &LogindIntegration::connectedChanged, this, takeControl);
77 } 79​ }
78 VirtualTerminal::create(this); 80​ VirtualTerminal::create(this);
79} 81​}
80 82​
81void FramebufferBackend::openFrameBuffer() 83​void FramebufferBackend::openFrameBuffer()
82{ 84​{
85​ if (strcmp(LogindIntegration::self()->seat(), "seat0") == 0)
86​ {
83 VirtualTerminal::self()->init(); 87​ VirtualTerminal::self()->init();
84 int fd = LogindIntegration::self()->takeDevice(deviceIdentifier().constData()); 88​ }
89​ char *framebufferDevice = strdup(deviceIdentifier().constData());
90​ UdevDevice::Ptr device = m_udev->primaryFramebuffer();
91​ if (strcmp(framebufferDevice,"\0") == 0)
92​ framebufferDevice = strdup(device->devNode());
93​ int fd = LogindIntegration::self()->takeDevice(framebufferDevice);
94​ qCDebug(KWIN_FB) << "Using frame buffer device:" << framebufferDevice;
85 if (fd < 0) { 95​ if (fd < 0) {
86 qCWarning(KWIN_FB) << "Failed to open frame buffer device through logind, trying without"; 96​ qCWarning(KWIN_FB) << "Failed to open frame buffer device through logind, trying without";
87 } 97​ }
88 fd = open(deviceIdentifier().constData(), O_RDWR | O_CLOEXEC); 98​ fd = open(framebufferDevice, O_RDWR | O_CLOEXEC);
89 if (fd < 0) { 99​ if (fd < 0) {
90 qCWarning(KWIN_FB) << "failed to open frame buffer device"; 100​ qCWarning(KWIN_FB) << "failed to open frame buffer device";
91 emit initFailed(); 101​ emit initFailed();
92 return; 102​ return;
93 } 103​ }
94 m_fd = fd; 104​ m_fd = fd;
95 if (!queryScreenInfo()) { 105​ if (!queryScreenInfo()) {
96 qCWarning(KWIN_FB) << "failed to query framebuffer information"; 106​ qCWarning(KWIN_FB) << "failed to query framebuffer information";
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