static void
flip_all_crtcs (CoglDisplay *display, CoglFlipKMS *flip, int fb_id)
{
CoglDisplayEGL *egl_display = display->winsys;
CoglDisplayKMS *kms_display = egl_display->platform;
CoglRendererEGL *egl_renderer = display->renderer->winsys;
CoglRendererKMS *kms_renderer = egl_renderer->platform;
GList *l;
for (l = kms_display->crtcs; l; l = l->next)
{
CoglKmsCrtc *crtc = l->data;
int ret = 0;
if (crtc->count == 0 || crtc->ignore)
continue;
ret = drmModePageFlip (kms_renderer->fd,
crtc->id, fb_id,
DRM_MODE_PAGE_FLIP_EVENT, flip);
if (ret)
{
g_warning ("Failed to flip: %m");
continue;
}
if (ret == 0)
flip->pending++;
}
}
/*
* Schedule a page flip.
*/
static int drm_kms_page_flip(struct gralloc_drm_t *drm,
struct gralloc_drm_bo_t *bo)
{
int ret;
/* there is another flip pending */
while (drm->next_front) {
drm->waiting_flip = 1;
drmHandleEvent(drm->fd, &drm->evctx);
drm->waiting_flip = 0;
if (drm->next_front) {
/* record an error and break */
LOGE("drmHandleEvent returned without flipping");
drm->current_front = drm->next_front;
drm->next_front = NULL;
}
}
if (!bo)
return 0;
ret = drmModePageFlip(drm->fd, drm->crtc_id, bo->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, (void *) drm);
if (ret)
LOGE("failed to perform page flip");
else
drm->next_front = bo;
return ret;
}
void QEglFSKmsGbmScreen::flip()
{
if (!m_gbm_surface) {
qWarning("Cannot sync before platform init!");
return;
}
m_gbm_bo_next = gbm_surface_lock_front_buffer(m_gbm_surface);
if (!m_gbm_bo_next) {
qWarning("Could not lock GBM surface front buffer!");
return;
}
FrameBuffer *fb = framebufferForBufferObject(m_gbm_bo_next);
QKmsOutput &op(output());
const int fd = device()->fd();
const uint32_t w = op.modes[op.mode].hdisplay;
const uint32_t h = op.modes[op.mode].vdisplay;
if (!op.mode_set) {
int ret = drmModeSetCrtc(fd,
op.crtc_id,
fb->fb,
0, 0,
&op.connector_id, 1,
&op.modes[op.mode]);
if (ret == -1) {
qErrnoWarning(errno, "Could not set DRM mode!");
} else {
op.mode_set = true;
setPowerState(PowerStateOn);
if (!op.plane_set) {
op.plane_set = true;
if (op.wants_plane) {
int ret = drmModeSetPlane(fd, op.plane_id, op.crtc_id,
uint32_t(-1), 0,
0, 0, w, h,
0 << 16, 0 << 16, w << 16, h << 16);
if (ret == -1)
qErrnoWarning(errno, "drmModeSetPlane failed");
}
}
}
}
int ret = drmModePageFlip(fd,
op.crtc_id,
fb->fb,
DRM_MODE_PAGE_FLIP_EVENT,
this);
if (ret) {
qErrnoWarning("Could not queue DRM page flip!");
gbm_surface_release_buffer(m_gbm_surface, m_gbm_bo_next);
m_gbm_bo_next = Q_NULLPTR;
}
}
static bool test(data_t *data, enum pipe pipe, igt_output_t *output)
{
igt_plane_t *primary;
drmModeModeInfo *mode;
struct igt_fb fb[2];
int fd, ret;
/* select the pipe we want to use */
igt_output_set_pipe(output, pipe);
igt_display_commit(&data->display);
if (!output->valid) {
igt_output_set_pipe(output, PIPE_ANY);
igt_display_commit(&data->display);
return false;
}
primary = igt_output_get_plane(output, IGT_PLANE_PRIMARY);
mode = igt_output_get_mode(output);
igt_create_color_fb(data->drm_fd, mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
LOCAL_I915_FORMAT_MOD_X_TILED,
0.0, 0.0, 0.0, &fb[0]);
igt_plane_set_fb(primary, &fb[0]);
igt_display_commit2(&data->display, COMMIT_LEGACY);
fd = drm_open_driver(DRIVER_INTEL);
ret = drmDropMaster(data->drm_fd);
igt_assert_eq(ret, 0);
ret = drmSetMaster(fd);
igt_assert_eq(ret, 0);
igt_create_color_fb(fd, mode->hdisplay, mode->vdisplay,
DRM_FORMAT_XRGB8888,
LOCAL_I915_FORMAT_MOD_X_TILED,
0.0, 0.0, 0.0, &fb[1]);
ret = drmModePageFlip(fd, output->config.crtc->crtc_id,
fb[1].fb_id, DRM_MODE_PAGE_FLIP_EVENT,
data);
igt_assert_eq(ret, 0);
ret = close(fd);
igt_assert_eq(ret, 0);
ret = drmSetMaster(data->drm_fd);
igt_assert_eq(ret, 0);
igt_plane_set_fb(primary, NULL);
igt_output_set_pipe(output, PIPE_ANY);
igt_display_commit(&data->display);
igt_remove_fb(data->drm_fd, &fb[0]);
return true;
}
static void
device_page_flip (Device *device,
int buffer_id,
void *data)
{
drmModePageFlip (device->fd,
device->crtc->crtc_id,
buffer_id, DRM_MODE_PAGE_FLIP_EVENT, data);
}
void
NativeStateDRM::flip()
{
gbm_bo* next = gbm_surface_lock_front_buffer(surface_);
fb_ = fb_get_from_bo(next);
unsigned int waiting(1);
if (!crtc_set_) {
int status = drmModeSetCrtc(fd_, encoder_->crtc_id, fb_->fb_id, 0, 0,
&connector_->connector_id, 1, mode_);
if (status >= 0) {
crtc_set_ = true;
bo_ = next;
}
else {
Log::error("Failed to set crtc: %d\n", status);
}
return;
}
int status = drmModePageFlip(fd_, encoder_->crtc_id, fb_->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting);
if (status < 0) {
Log::error("Failed to enqueue page flip: %d\n", status);
return;
}
fd_set fds;
FD_ZERO(&fds);
FD_SET(fd_, &fds);
drmEventContext evCtx;
evCtx.version = DRM_EVENT_CONTEXT_VERSION;
evCtx.page_flip_handler = page_flip_handler;
while (waiting) {
status = select(fd_ + 1, &fds, 0, 0, 0);
if (status < 0) {
// Most of the time, select() will return an error because the
// user pressed Ctrl-C. So, only print out a message in debug
// mode, and just check for the likely condition and release
// the current buffer object before getting out.
Log::debug("Error in select\n");
if (should_quit()) {
gbm_surface_release_buffer(surface_, bo_);
bo_ = next;
}
return;
}
drmHandleEvent(fd_, &evCtx);
}
gbm_surface_release_buffer(surface_, bo_);
bo_ = next;
}
static void page_flip(void)
{
struct igt_fb *tmp_fb;
int rc;
rc = drmModePageFlip(drm.fd, modeset.crtc_id, back_fb->fb_id, 0, NULL);
igt_assert(rc == 0);
tmp_fb = front_fb;
front_fb = back_fb;
back_fb = tmp_fb;
}
static bool gfx_ctx_drm_queue_flip(void)
{
struct drm_fb *fb = NULL;
g_next_bo = gbm_surface_lock_front_buffer(g_gbm_surface);
fb = (struct drm_fb*)drm_fb_get_from_bo(g_next_bo);
if (drmModePageFlip(g_drm_fd, g_crtc_id, fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip) == 0)
return true;
/* Failed to queue page flip. */
return false;
}
void QKmsScreen::performPageFlip()
{
quint32 displayFramebufferId = m_bufferManager.displayFramebufferId();
//qDebug() << "Flipping to framebuffer: " << displayFramebufferId;
int pageFlipStatus = drmModePageFlip(m_device->fd(), m_crtcId,
displayFramebufferId,
DRM_MODE_PAGE_FLIP_EVENT, this);
if (pageFlipStatus)
qWarning("Pageflip status: %d", pageFlipStatus);
m_flipReady = false;
}
void DisplayOzone::presentScreen()
{
if (!mCRTC)
{
// no monitor
return;
}
// see if pending flip has finished, without blocking
int fd = gbm_device_get_fd(mGBM);
if (mPending)
{
pollfd pfd;
pfd.fd = fd;
pfd.events = POLLIN;
if (poll(&pfd, 1, 0) < 0)
{
std::cerr << "poll failed: " << errno << " " << strerror(errno) << std::endl;
}
if (pfd.revents & POLLIN)
{
drmEventContext event;
event.version = DRM_EVENT_CONTEXT_VERSION;
event.page_flip_handler = pageFlipHandler;
drmHandleEvent(fd, &event);
}
}
// if pending flip has finished, schedule next one
if (!mPending && mDrawing)
{
flushGL();
if (mSetCRTC)
{
if (drmModeSetCrtc(fd, mCRTC->crtc_id, mDrawing->getDRMFB(), 0, 0,
&mConnector->connector_id, 1, mMode))
{
std::cerr << "set crtc failed: " << errno << " " << strerror(errno) << std::endl;
}
mSetCRTC = false;
}
if (drmModePageFlip(fd, mCRTC->crtc_id, mDrawing->getDRMFB(), DRM_MODE_PAGE_FLIP_EVENT,
this))
{
std::cerr << "page flip failed: " << errno << " " << strerror(errno) << std::endl;
}
mPending = mDrawing;
mDrawing = nullptr;
}
}
static void
swap(struct gbm_winsys *winsys)
{
struct gbm_dev *dev = winsys->dev;
struct gbm_context *context = winsys->context;
struct gbm_bo *bo;
uint32_t handle, stride;
uint32_t width, height;
uint32_t fb_id;
eglSwapBuffers(context->edpy, context->egl_surface);
bo = gbm_surface_lock_front_buffer(context->gbm_surface);
width = gbm_bo_get_width(bo);
height = gbm_bo_get_height(bo);
stride = gbm_bo_get_stride(bo);
handle = gbm_bo_get_handle(bo).u32;
if (drmModeAddFB(dev->fd,
width, height,
24, /* depth */
32, /* bpp */
stride,
handle,
&fb_id)) {
fprintf(stderr,
"Failed to create new back buffer handle: %m\n");
} else {
if (dev->saved_crtc == NULL &&
set_initial_crtc(dev, fb_id))
return;
if (drmModePageFlip(dev->fd,
dev->crtc,
fb_id,
DRM_MODE_PAGE_FLIP_EVENT,
dev)) {
fprintf(stderr, "Failed to page flip: %m\n");
return;
}
dev->pending_swap = 1;
wait_swap(dev);
free_current_bo(context);
context->current_bo = bo;
context->current_fb_id = fb_id;
}
}
void swap_buffers(void)
{
eglSwapBuffers(gl.display, gl.surface);
next_bo = gbm_surface_lock_front_buffer(gbm.surface);
fb = drm_fb_get_from_bo(next_bo);
waiting_for_flip = 1;
int ret = drmModePageFlip(drm.fd, drm.crtc_id, fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if(ret) {
printf("failed to queue page flip: %s\n", strerror(errno));
exit(-1);
}
}
static void drm_egl_swap_buffers(MPGLContext *ctx)
{
struct priv *p = ctx->priv;
eglSwapBuffers(p->egl.display, p->egl.surface);
p->gbm.next_bo = gbm_surface_lock_front_buffer(p->gbm.surface);
p->waiting_for_flip = true;
update_framebuffer_from_bo(ctx, p->gbm.next_bo);
int ret = drmModePageFlip(p->kms->fd, p->kms->crtc_id, p->fb.id,
DRM_MODE_PAGE_FLIP_EVENT, p);
if (ret) {
MP_WARN(ctx->vo, "Failed to queue page flip: %s\n", mp_strerror(errno));
}
// poll page flip finish event
const int timeout_ms = 3000;
struct pollfd fds[1] = { { .events = POLLIN, .fd = p->kms->fd } };
static void queue_flip(void)
{
g_next_bo = gbm_surface_lock_front_buffer(g_gbm_surface);
struct drm_fb *fb = drm_fb_get_from_bo(g_next_bo);
int ret = drmModePageFlip(g_drm_fd, g_crtc_id, fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if (ret < 0)
{
RARCH_ERR("[KMS/EGL]: Failed to queue page flip.\n");
return;
}
waiting_for_flip = true;
}
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 = qgetenv("QT_QPA_KMS_HIDECURSOR").toInt();
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;
}
}
bool CDRMLegacy::QueueFlip()
{
m_next_bo = gbm_surface_lock_front_buffer(m_gbm->surface);
m_drm_fb = CDRMUtils::DrmFbGetFromBo(m_next_bo);
auto ret = drmModePageFlip(m_drm->fd,
m_drm->crtc_id,
m_drm_fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT,
&flip_happening);
if(ret)
{
CLog::Log(LOGDEBUG, "CDRMLegacy::%s - failed to queue DRM page flip", __FUNCTION__);
return false;
}
return true;
}
static void queue_flip(void)
{
g_next_bo = gbm_surface_lock_front_buffer(g_gbm_surface);
struct drm_fb *fb = drm_fb_get_from_bo(g_next_bo);
int ret = drmModePageFlip(g_drm_fd, g_crtc_id, fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if (ret < 0)
{
RARCH_ERR("[KMS/EGL]: Failed to queue page flip.\n");
return;
}
struct timeval tv;
gettimeofday(&tv, NULL);
flip_request_usec = (uint64_t)tv.tv_sec * 1000000 + tv.tv_usec;
waiting_for_flip = true;
}
static int exynos_flip(struct hook_data *data, struct exynos_page *page) {
/* We don't queue multiple page flips. */
if (data->pageflip_pending > 0) {
wait_flip(data->fliphandler);
}
/* Issue a page flip at the next vblank interval. */
if (drmModePageFlip(data->drm_fd, data->drm->crtc_id, page->buf_id,
DRM_MODE_PAGE_FLIP_EVENT, page)) {
fprintf(stderr, "[exynos_flip] error: failed to issue page flip\n");
return -1;
} else {
data->pageflip_pending++;
}
/* On startup no frame is displayed. We therefore wait for the initial flip to finish. */
if (data->cur_page == NULL) wait_flip(data->fliphandler);
return 0;
}
static int fb_post(struct framebuffer_device_t *dev, buffer_handle_t buffer)
{
if (private_handle_t::validate(buffer) < 0)
return -EINVAL;
fb_context_t *ctx = (fb_context_t *)dev;
private_handle_t const *hnd =
static_cast<private_handle_t const *>(buffer);
private_module_t *m =
reinterpret_cast<private_module_t *>(dev->common.module);
if (hnd->flags & private_handle_t::PRIV_FLAGS_FRAMEBUFFER) {
int err = drmModePageFlip(m->fd, m->crtc,
m->buffers[hnd->index].fb,
0 /* DRM_MODE_PAGE_FLIP_EVENT */, 0);
if (err < 0) {
LOGE("drmModePageFlip failed (%d)", err);
m->base.unlock(&m->base, buffer);
return err;
}
} else {
/* If we can't do the page_flip, just copy the buffer to the
* front.
* FIXME: use copybit HAL instead of memcpy
*/
void *buffer_vaddr;
m->base.lock(&m->base, buffer,
GRALLOC_USAGE_SW_READ_RARELY, 0, 0,
m->mode->hdisplay, m->mode->vdisplay,
&buffer_vaddr);
memcpy(m->buffers[0].vaddr, buffer_vaddr,
m->stride * m->mode->vdisplay);
m->base.unlock(&m->base, buffer);
}
return 0;
}
static boolean
drm_surface_swap_buffers(struct native_surface *nsurf)
{
struct drm_surface *drmsurf = drm_surface(nsurf);
struct drm_crtc *drmcrtc = &drmsurf->current_crtc;
struct drm_display *drmdpy = drmsurf->drmdpy;
struct drm_framebuffer tmp_fb;
int err;
if (!drmsurf->have_pageflip)
return drm_surface_copy_swap(nsurf);
if (!drmsurf->back_fb.buffer_id) {
if (!drm_surface_init_framebuffers(&drmsurf->base, TRUE))
return FALSE;
}
if (drmsurf->is_shown && drmcrtc->crtc) {
err = drmModePageFlip(drmdpy->fd, drmcrtc->crtc->crtc_id,
drmsurf->back_fb.buffer_id, 0, NULL);
if (err) {
drmsurf->have_pageflip = FALSE;
return drm_surface_copy_swap(nsurf);
}
}
/* swap the buffers */
tmp_fb = drmsurf->front_fb;
drmsurf->front_fb = drmsurf->back_fb;
drmsurf->back_fb = tmp_fb;
resource_surface_swap_buffers(drmsurf->rsurf,
NATIVE_ATTACHMENT_FRONT_LEFT, NATIVE_ATTACHMENT_BACK_LEFT, FALSE);
/* the front/back textures are swapped */
drmsurf->sequence_number++;
drmdpy->event_handler->invalid_surface(&drmdpy->base,
&drmsurf->base, drmsurf->sequence_number);
return TRUE;
}
static void queue_flip(void)
{
int ret;
struct drm_fb *fb = NULL;
gfx_ctx_drm_egl_data_t *drm = (gfx_ctx_drm_egl_data_t*)
driver.video_context_data;
drm->g_next_bo = gbm_surface_lock_front_buffer(drm->g_gbm_surface);
fb = (struct drm_fb*)drm_fb_get_from_bo(drm, drm->g_next_bo);
ret = drmModePageFlip(drm->g_drm_fd, drm->g_crtc_id, fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if (ret < 0)
{
RARCH_ERR("[KMS/EGL]: Failed to queue page flip.\n");
return;
}
waiting_for_flip = true;
}
int DRM_PageFlip(void){
int ret;
struct gbm_bo *next_bo;
int waiting_for_flip = 1;
next_bo = gbm_surface_lock_front_buffer(gbm.surface);
fb = drm_fb_get_from_bo(next_bo);
/*
* Here you could also update drm plane layers if you want
* hw composition
*/
ret = drmModePageFlip(drm.fd, drm.crtc_id, fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if (ret) {
printf("failed to queue page flip: %s\n", strerror(errno));
return -1;
}
while (waiting_for_flip) {
//Aquí realmente no nos interesa leer el teclado. Sólo
//hacemos el select para esperar por drm.fd
FD_ZERO (&fds);
FD_SET (0, &fds);
FD_SET (drm.fd, &fds);
ret = select(drm.fd+1, &fds, NULL, NULL, NULL);
drmHandleEvent(drm.fd, &evctx);
}
/* release last buffer to render on again: */
gbm_surface_release_buffer(gbm.surface, bo);
bo = next_bo;
return 0;
}
static int display_swap(struct uterm_display *disp)
{
int ret;
if (!display_is_online(disp) || !video_is_awake(disp->video))
return -EINVAL;
if (disp->dpms != UTERM_DPMS_ON)
return -EINVAL;
errno = 0;
disp->dumb.current_rb ^= 1;
ret = drmModePageFlip(disp->video->dumb.fd, disp->dumb.crtc_id,
disp->dumb.rb[disp->dumb.current_rb].fb,
DRM_MODE_PAGE_FLIP_EVENT, disp);
if (ret) {
log_warn("page-flip failed %d %d", ret, errno);
return -EFAULT;
}
uterm_display_ref(disp);
disp->flags |= DISPLAY_VSYNC;
return 0;
}
static DFBResult
drmkmsUpdateFlipRegion( CoreLayer *layer,
void *driver_data,
void *layer_data,
void *region_data,
CoreSurface *surface,
DFBSurfaceFlipFlags flags,
const DFBRegion *left_update,
CoreSurfaceBufferLock *left_lock,
const DFBRegion *right_update,
CoreSurfaceBufferLock *right_lock,
bool flip )
{
int ret, i;
DRMKMSData *drmkms = driver_data;
DRMKMSDataShared *shared = drmkms->shared;
DRMKMSLayerData *data = layer_data;
D_DEBUG_AT( DRMKMS_Layer, "%s()\n", __FUNCTION__ );
if (!drmkms->resources) {
if (flip)
dfb_surface_flip( surface, false );
if (left_lock->buffer)
dfb_surface_notify_display( surface, left_lock->buffer );
if (right_lock && right_lock->buffer)
dfb_surface_notify_display( surface, right_lock->buffer );
if (left_lock->task)
Task_Done( left_lock->task );
if (right_lock && right_lock->task)
Task_Done( right_lock->task );
return DFB_OK;
}
direct_mutex_lock( &data->lock );
while (data->flip_pending) {
D_DEBUG_AT( DRMKMS_Layer, " -> waiting for pending flip (previous)\n" );
if (direct_waitqueue_wait_timeout( &data->wq_event, &data->lock, 30000 ) == DR_TIMEOUT)
break;
}
dfb_surface_ref( surface );
data->surface = surface;
data->surfacebuffer_index = left_lock->buffer->index;
/* Task */
data->pending_task = left_lock->task;
D_DEBUG_AT( DRMKMS_Layer, " -> calling drmModePageFlip()\n" );
data->flip_pending = true;
ret = drmModePageFlip( drmkms->fd, drmkms->encoder[data->layer_index]->crtc_id, (u32)(long)left_lock->handle, DRM_MODE_PAGE_FLIP_EVENT, layer_data );
if (ret) {
D_PERROR( "DirectFB/DRMKMS: drmModePageFlip() failed on layer %d!\n", data->index );
direct_mutex_unlock( &data->lock );
return DFB_FAILURE;
}
if (shared->mirror_outputs) {
for (i=1; i<shared->enabled_crtcs; i++) {
ret = drmModePageFlip( drmkms->fd, drmkms->encoder[i]->crtc_id, (u32)(long)left_lock->handle, 0, 0);
if (ret)
D_WARN( "DirectFB/DRMKMS: drmModePageFlip() failed for mirror on crtc id %d!\n", drmkms->encoder[i]->crtc_id );
}
}
shared->primary_fb = (u32)(long)left_lock->handle;
if (flip)
dfb_surface_flip( surface, false );
if ((flags & DSFLIP_WAITFORSYNC) == DSFLIP_WAITFORSYNC) {
while (data->flip_pending) {
D_DEBUG_AT( DRMKMS_Layer, " -> waiting for pending flip (WAITFORSYNC)\n" );
if (direct_waitqueue_wait_timeout( &data->wq_event, &data->lock, 30000 ) == DR_TIMEOUT)
break;
}
}
direct_mutex_unlock( &data->lock );
return DFB_OK;
}
static void
_cogl_winsys_onscreen_swap_buffers (CoglOnscreen *onscreen)
{
CoglContext *context = COGL_FRAMEBUFFER (onscreen)->context;
CoglDisplayEGL *egl_display = context->display->winsys;
CoglDisplayKMS *kms_display = egl_display->platform;
CoglRenderer *renderer = context->display->renderer;
CoglRendererEGL *egl_renderer = renderer->winsys;
CoglRendererKMS *kms_renderer = egl_renderer->platform;
CoglOnscreenEGL *egl_onscreen = onscreen->winsys;
CoglOnscreenKMS *kms_onscreen = egl_onscreen->platform;
uint32_t handle, stride;
CoglFlipKMS *flip;
GList *l;
/* If we already have a pending swap then block until it completes */
while (kms_onscreen->next_fb_id != 0)
handle_drm_event (kms_renderer);
/* First chain-up. This will call eglSwapBuffers */
parent_vtable->onscreen_swap_buffers (onscreen);
/* Now we need to set the CRTC to whatever is the front buffer */
kms_onscreen->next_bo = gbm_surface_lock_front_buffer (kms_onscreen->surface);
#if (COGL_VERSION_ENCODE (COGL_GBM_MAJOR, COGL_GBM_MINOR, COGL_GBM_MICRO) >= \
COGL_VERSION_ENCODE (8, 1, 0))
stride = gbm_bo_get_stride (kms_onscreen->next_bo);
#else
stride = gbm_bo_get_pitch (kms_onscreen->next_bo);
#endif
handle = gbm_bo_get_handle (kms_onscreen->next_bo).u32;
if (drmModeAddFB (kms_renderer->fd,
kms_display->width,
kms_display->height,
24, /* depth */
32, /* bpp */
stride,
handle,
&kms_onscreen->next_fb_id))
{
g_warning ("Failed to create new back buffer handle: %m");
gbm_surface_release_buffer (kms_onscreen->surface,
kms_onscreen->next_bo);
kms_onscreen->next_bo = NULL;
kms_onscreen->next_fb_id = 0;
return;
}
/* If this is the first framebuffer to be presented then we now setup the
* crtc modes... */
if (kms_display->pending_set_crtc)
{
setup_crtc_modes (context->display, kms_onscreen->next_fb_id);
kms_display->pending_set_crtc = FALSE;
}
flip = g_slice_new0 (CoglFlipKMS);
flip->onscreen = onscreen;
for (l = kms_display->outputs; l; l = l->next)
{
CoglOutputKMS *output = l->data;
if (drmModePageFlip (kms_renderer->fd,
output->encoder->crtc_id,
kms_onscreen->next_fb_id,
DRM_MODE_PAGE_FLIP_EVENT,
flip))
{
g_warning ("Failed to flip: %m");
continue;
}
flip->pending++;
}
if (flip->pending == 0)
{
drmModeRmFB (kms_renderer->fd, kms_onscreen->next_fb_id);
gbm_surface_release_buffer (kms_onscreen->surface,
kms_onscreen->next_bo);
kms_onscreen->next_bo = NULL;
kms_onscreen->next_fb_id = 0;
g_slice_free (CoglFlipKMS, flip);
flip = NULL;
}
else
{
/* Ensure the onscreen remains valid while it has any pending flips... */
cogl_object_ref (flip->onscreen);
}
}
static Bool
queue_flip_on_crtc(ScreenPtr screen, xf86CrtcPtr crtc,
struct ms_flipdata *flipdata,
int ref_crtc_vblank_pipe, uint32_t flags)
{
ScrnInfoPtr scrn = xf86ScreenToScrn(screen);
modesettingPtr ms = modesettingPTR(scrn);
drmmode_crtc_private_ptr drmmode_crtc = crtc->driver_private;
struct ms_crtc_pageflip *flip;
uint32_t seq;
int err;
flip = calloc(1, sizeof(struct ms_crtc_pageflip));
if (flip == NULL) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"flip queue: carrier alloc failed.\n");
return FALSE;
}
/* Only the reference crtc will finally deliver its page flip
* completion event. All other crtc's events will be discarded.
*/
flip->on_reference_crtc = (drmmode_crtc->vblank_pipe == ref_crtc_vblank_pipe);
flip->flipdata = flipdata;
seq = ms_drm_queue_alloc(crtc, flip, ms_flip_handler, ms_present_flip_abort);
if (!seq) {
free(flip);
return FALSE;
}
DebugPresent(("\t\tms:fq %lld c %d -> %d seq %llu\n",
(long long) flipdata->event->event_id,
flipdata->flip_count, flipdata->flip_count + 1,
(long long) seq));
/* take a reference on flipdata for use in flip */
flipdata->flip_count++;
while (drmModePageFlip(ms->fd, drmmode_crtc->mode_crtc->crtc_id,
ms->drmmode.fb_id, flags, (void *) (uintptr_t) seq)) {
err = errno;
/* We may have failed because the event queue was full. Flush it
* and retry. If there was nothing to flush, then we failed for
* some other reason and should just return an error.
*/
if (ms_flush_drm_events(screen) <= 0) {
xf86DrvMsg(scrn->scrnIndex, X_WARNING,
"flip queue failed: %s\n", strerror(err));
/* Aborting will also decrement flip_count and free(flip). */
ms_drm_abort_seq(scrn, seq);
return FALSE;
}
/* We flushed some events, so try again. */
xf86DrvMsg(scrn->scrnIndex, X_WARNING, "flip queue retry\n");
}
/* The page flip succeded. */
return TRUE;
}
/*!***********************************************************************
@Function OsRenderComplete
@Returns false when the app should quit
@description Main message loop / render loop
*************************************************************************/
void PVRShellInit::OsRenderComplete()
{
int ckb = 0;
size_t bytes_read;
int ret, i;
struct gbm_bo *bo;
struct SDrmFbWrapper *fb;
int waiting_for_flip = 1;
fd_set fds;
drmEventContext evctx;
evctx.version = DRM_EVENT_CONTEXT_VERSION;
evctx.page_flip_handler = pfnCallbackDrmPageFlip;
bo = gbm_surface_lock_front_buffer(m_psGbmSurface);
fb = DrmFbGetFromBo(bo);
if(!m_ui32CurrentFb)
{
ret = drmModeSetCrtc(m_i32DrmFile, m_ui32DrmCrtcId, fb->ui32FbId, 0, 0,
&m_ui32DrmConnectorId, 1, m_psDrmMode);
if (ret)
{
m_pShell->PVRShellOutputDebug("display failed to set mode: %s\n", strerror(errno));
return;
}
} else
{
ret = drmModePageFlip(m_i32DrmFile, m_ui32DrmCrtcId, fb->ui32FbId,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if (ret)
{
m_pShell->PVRShellOutputDebug("display failed to flip page: %s\n", strerror(errno));
return;
}
FD_ZERO(&fds);
FD_SET(m_i32DrmFile, &fds);
while (waiting_for_flip)
{
ret = select(m_i32DrmFile + 1, &fds, NULL, NULL, NULL);
if (ret < 0)
{
m_pShell->PVRShellOutputDebug("Select Error: %s\n", strerror(errno));
return;
}
else if (ret == 0)
{
m_pShell->PVRShellOutputDebug("Select Timeout\n");
return;
}
else if (FD_ISSET(0, &fds))
{
continue;
}
drmHandleEvent(m_i32DrmFile, &evctx);
}
}
// Check keyboard and keypad
// Keyboard.
if(devfd > 0)
{
while ((bytes_read = read(devfd, &ckb, 1)) == 1);
switch(ckb)
{
case '0':
case 'q':
case 'Q':
nLastKeyPressed = PVRShellKeyNameQUIT;
break;
case 13:
nLastKeyPressed = PVRShellKeyNameSELECT;
break;
case ' ':
case '1':
nLastKeyPressed = PVRShellKeyNameACTION1;
break;
case '2':
nLastKeyPressed = PVRShellKeyNameACTION2;
break;
case 65: // Up Arrow
nLastKeyPressed = m_eKeyMapUP;
break;
case 66: // Down Arrow
nLastKeyPressed = m_eKeyMapDOWN;
break;
case 68: // Left Arrow
nLastKeyPressed = m_eKeyMapLEFT;
break;
case 67: // Right Arrow
nLastKeyPressed = m_eKeyMapRIGHT;
break;
default:
break;
}
}
}
static int test_format(const char *test_name,
struct kmstest_connector_config *cconf,
drmModeModeInfo *mode, uint32_t format,
enum test_flags flags)
{
int width;
int height;
struct igt_fb fb[2];
char *mode_format_str;
char *cconf_str;
int ret;
ret = asprintf(&mode_format_str, "%s @ %dHz / %s",
mode->name, mode->vrefresh, igt_format_str(format));
igt_assert_lt(0, ret);
ret = asprintf(&cconf_str, "pipe %s, encoder %s, connector %s",
kmstest_pipe_name(cconf->pipe),
kmstest_encoder_type_str(cconf->encoder->encoder_type),
kmstest_connector_type_str(cconf->connector->connector_type));
igt_assert_lt(0, ret);
igt_info("Beginning test %s with %s on %s\n",
test_name, mode_format_str, cconf_str);
width = mode->hdisplay;
height = mode->vdisplay;
if (!igt_create_fb(drm_fd, width, height, format,
LOCAL_DRM_FORMAT_MOD_NONE, &fb[0]))
goto err1;
if (!igt_create_fb(drm_fd, width, height, format,
LOCAL_DRM_FORMAT_MOD_NONE, &fb[1]))
goto err2;
if (drmModeSetCrtc(drm_fd, cconf->crtc->crtc_id, fb[0].fb_id,
0, 0, &cconf->connector->connector_id, 1,
mode))
goto err2;
do_or_die(drmModePageFlip(drm_fd, cconf->crtc->crtc_id, fb[0].fb_id,
0, NULL));
sleep(2);
if (flags & TEST_DIRECT_RENDER) {
paint_fb(&fb[0], test_name, mode_format_str, cconf_str);
} else if (flags & TEST_GPU_BLIT) {
paint_fb(&fb[1], test_name, mode_format_str, cconf_str);
gpu_blit(&fb[0], &fb[1]);
}
sleep(5);
igt_info("Test %s with %s on %s: PASSED\n",
test_name, mode_format_str, cconf_str);
free(mode_format_str);
free(cconf_str);
igt_remove_fb(drm_fd, &fb[1]);
igt_remove_fb(drm_fd, &fb[0]);
return 0;
err2:
igt_remove_fb(drm_fd, &fb[0]);
err1:
igt_info("Test %s with %s on %s: SKIPPED\n",
test_name, mode_format_str, cconf_str);
free(mode_format_str);
free(cconf_str);
return -1;
}
static Bool
nouveau_present_flip_exec(ScrnInfoPtr scrn, uint64_t event_id, int sync,
uint64_t target_msc, PixmapPtr pixmap, Bool vsync)
{
ScreenPtr screen = scrn->pScreen;
struct nouveau_pixmap *priv = NULL;
NVPtr pNv = NVPTR(scrn);
uint32_t next_fb;
CARD16 stride;
CARD32 size;
void *token;
int ret;
#ifdef HAVE_GLAMOR
if (pNv->AccelMethod == GLAMOR &&
!(priv = nouveau_glamor_pixmap_get(pixmap))) {
int fd = glamor_fd_from_pixmap(screen, pixmap, &stride, &size);
if (fd < 0)
return FALSE;
priv = calloc(1, sizeof(*priv));
if (!priv)
return FALSE;
ret = nouveau_bo_prime_handle_ref(pNv->dev, fd, &priv->bo);
if (ret) {
free(priv);
return FALSE;
}
nouveau_glamor_pixmap_set(pixmap, priv);
} else
#endif
if (!priv)
priv = nouveau_pixmap(pixmap);
ret = drmModeAddFB(pNv->dev->fd, pixmap->drawable.width,
pixmap->drawable.height, pixmap->drawable.depth,
pixmap->drawable.bitsPerPixel, pixmap->devKind,
priv->bo->handle, &next_fb);
if (ret == 0) {
struct nouveau_present_flip *flip =
drmmode_event_queue(scrn, event_id, sizeof(*flip),
nouveau_present_flip, &token);
if (flip) {
xf86CrtcConfigPtr config = XF86_CRTC_CONFIG_PTR(scrn);
int last = 0, i;
drmmode_swap(scrn, next_fb, &flip->old);
flip->fd = pNv->dev->fd;
flip->msc = target_msc;
for (i = 0; i < config->num_crtc; i++) {
if (config->crtc[i]->enabled)
last = i;
}
for (i = 0; i < config->num_crtc; i++) {
int type = vsync ? 0 : DRM_MODE_PAGE_FLIP_ASYNC;
int crtc = drmmode_crtc(config->crtc[i]);
void *user = NULL;
if (!config->crtc[i]->enabled)
continue;
if (token && ((crtc == sync) || (i == last))) {
type |= DRM_MODE_PAGE_FLIP_EVENT;
user = token;
}
ret = drmModePageFlip(pNv->dev->fd, crtc,
next_fb, type, user);
if (ret == 0 && user) {
token = NULL;
}
}
if (token == NULL) {
return TRUE;
}
drmmode_swap(scrn, flip->old, &next_fb);
drmmode_event_abort(scrn, event_id, false);
}
drmModeRmFB(pNv->dev->fd, next_fb);
}
return FALSE;
}
int init_egl_drm()
{
fd_set fds;
drmEventContext evctx = {
.version = DRM_EVENT_CONTEXT_VERSION,
.vblank_handler = 0,
.page_flip_handler = page_flip_handler,
};
struct gbm_bo *bo;
struct drm_fb *fb;
ret = init_drm();
if (ret) {
printf("failed to initialize DRM\n");
return ret;
}
printf("### Primary display => ConnectorId = %d, Resolution = %dx%d\n",
drm.connector_id[DISP_ID], drm.mode[DISP_ID]->hdisplay,
drm.mode[DISP_ID]->vdisplay);
FD_ZERO(&fds);
FD_SET(drm.fd, &fds);
ret = init_gbm();
if (ret) {
printf("failed to initialize GBM\n");
return ret;
}
//Initialise egl regularly here
}
void egl_drm_draw_flip()
{
/* set mode: */
if (all_display) {
for (i=0; i<drm.ndisp; i++) {
ret = drmModeSetCrtc(drm.fd, drm.crtc_id[i], fb->fb_id, 0, 0,
&drm.connector_id[i], 1, drm.mode[i]);
if (ret) {
printf("display %d failed to set mode: %s\n", i, strerror(errno));
return ret;
}
}
} else {
ret = drmModeSetCrtc(drm.fd, drm.crtc_id[DISP_ID], fb->fb_id,
0, 0, &drm.connector_id[DISP_ID], 1, drm.mode[DISP_ID]);
if (ret) {
printf("display %d failed to set mode: %s\n", DISP_ID, strerror(errno));
return ret;
}
}
//Draw call here
//Swapping is involved
next_bo = gbm_surface_lock_front_buffer(gbm.surface);
fb = drm_fb_get_from_bo(next_bo);
/*
* Here you could also update drm plane layers if you want
* hw composition
*/
ret = drmModePageFlip(drm.fd, drm.crtc_id[DISP_ID], fb->fb_id,
DRM_MODE_PAGE_FLIP_EVENT, &waiting_for_flip);
if (ret) {
printf("failed to queue page flip: %s\n", strerror(errno));
return -1;
}
while (waiting_for_flip) {
ret = select(drm.fd + 1, &fds, NULL, NULL, NULL);
if (ret < 0) {
printf("select err: %s\n", strerror(errno));
return ret;
} else if (ret == 0) {
printf("select timeout!\n");
return -1;
} else if (FD_ISSET(0, &fds)) {
continue;
}
drmHandleEvent(drm.fd, &evctx);
}
/* release last buffer to render on again: */
gbm_surface_release_buffer(gbm.surface, bo);
bo = next_bo;
}