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/*
* Copyright (C) 2005-2018 Team Kodi
* This file is part of Kodi - https://kodi.tv
*
* SPDX-License-Identifier: GPL-2.0-or-later
* See LICENSES/README.md for more information.
*/
#include "DRMLegacy.h"
#include "guilib/gui3d.h"
#include "settings/Settings.h"
#include "utils/log.h"
#include <errno.h>
#include <stdint.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <drm_mode.h>
#include <fcntl.h>
#include <poll.h>
#include <unistd.h>
using namespace KODI::WINDOWING::GBM;
static int flip_happening = 0;
bool CDRMLegacy::SetVideoMode(const RESOLUTION_INFO& res, struct gbm_bo *bo)
{
struct drm_fb *drm_fb = DrmFbGetFromBo(bo);
auto ret = drmModeSetCrtc(m_fd, m_crtc->GetCrtcId(), drm_fb->fb_id, 0, 0,
m_connector->GetConnectorId(), 1, m_mode);
if(ret < 0)
{
CLog::Log(LOGERROR, "CDRMLegacy::{} - failed to set crtc mode: {}x{}{} @ {} Hz", __FUNCTION__,
m_mode->hdisplay, m_mode->vdisplay,
m_mode->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "", m_mode->vrefresh);
return false;
}
CLog::Log(LOGDEBUG, "CDRMLegacy::{} - set crtc mode: {}x{}{} @ {} Hz", __FUNCTION__,
m_mode->hdisplay, m_mode->vdisplay, m_mode->flags & DRM_MODE_FLAG_INTERLACE ? "i" : "",
m_mode->vrefresh);
return true;
}
void CDRMLegacy::PageFlipHandler(int fd, unsigned int frame, unsigned int sec,
unsigned int usec, void *data)
{
(void) fd, (void) frame, (void) sec, (void) usec;
int *flip_happening = static_cast<int *>(data);
*flip_happening = 0;
}
bool CDRMLegacy::WaitingForFlip()
{
if (!flip_happening)
return false;
struct pollfd drm_fds =
{
m_fd,
POLLIN,
0,
};
drmEventContext drm_evctx{};
drm_evctx.version = DRM_EVENT_CONTEXT_VERSION;
drm_evctx.page_flip_handler = PageFlipHandler;
while(flip_happening)
{
auto ret = poll(&drm_fds, 1, -1);
if(ret < 0)
return true;
if(drm_fds.revents & (POLLHUP | POLLERR))
return true;
if(drm_fds.revents & POLLIN)
drmHandleEvent(m_fd, &drm_evctx);
}
return false;
}
bool CDRMLegacy::QueueFlip(struct gbm_bo *bo)
{
struct drm_fb *drm_fb = DrmFbGetFromBo(bo);
auto ret = drmModePageFlip(m_fd, m_crtc->GetCrtcId(), drm_fb->fb_id, DRM_MODE_PAGE_FLIP_EVENT,
&flip_happening);
if(ret)
{
CLog::Log(LOGDEBUG, "CDRMLegacy::{} - failed to queue DRM page flip", __FUNCTION__);
return false;
}
return true;
}
void CDRMLegacy::FlipPage(struct gbm_bo *bo, bool rendered, bool videoLayer)
{
if (rendered || videoLayer)
{
flip_happening = QueueFlip(bo);
WaitingForFlip();
}
}
bool CDRMLegacy::InitDrm()
{
if (!CDRMUtils::OpenDrm(true))
return false;
if (!CDRMUtils::InitDrm())
return false;
CLog::Log(LOGDEBUG, "CDRMLegacy::{} - initialized legacy DRM", __FUNCTION__);
return true;
}
bool CDRMLegacy::SetActive(bool active)
{
if (!m_connector->SetProperty("DPMS", active ? DRM_MODE_DPMS_ON : DRM_MODE_DPMS_OFF))
{
CLog::Log(LOGDEBUG, "CDRMLegacy::{} - failed to set DPMS property", __FUNCTION__);
return false;
}
return true;
}
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