Property::Property(Card& card, uint32_t id)
: DrmObject(card, id, DRM_MODE_OBJECT_PROPERTY)
{
m_priv = new PropertyPriv();
m_priv->drm_prop = drmModeGetProperty(card.fd(), id);
m_name = m_priv->drm_prop->name;
}
ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, uint8_t depth, uint8_t bpp, uint32_t stride, uint32_t handle)
:Framebuffer(card, width, height)
{
uint32_t id;
int r = drmModeAddFB(card.fd(), width, height, depth, bpp, stride, handle, &id);
if (r)
throw invalid_argument("fob");
set_id(id);
}
ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format,
uint32_t handles[], uint32_t pitches[], uint32_t offsets[])
: Framebuffer(card, width, height)
{
uint32_t id;
int r = drmModeAddFB2(card.fd(), width, height, (uint32_t)format, handles, pitches, offsets, &id, 0);
if (r)
throw std::invalid_argument(string("Failed to create ExtFramebuffer: ") + strerror(r));
set_id(id);
}
Framebuffer::Framebuffer(Card& card, uint32_t id)
: DrmObject(card, id, DRM_MODE_OBJECT_FB)
{
auto fb = drmModeGetFB(card.fd(), id);
m_width = fb->width;
m_height = fb->height;
drmModeFreeFB(fb);
card.m_framebuffers.push_back(this);
}
ExtFramebuffer::ExtFramebuffer(Card& card, uint32_t width, uint32_t height, PixelFormat format,
int fds[4], uint32_t pitches[4], uint32_t offsets[4])
: Framebuffer(card, width, height)
{
int r;
const PixelFormatInfo& format_info = get_pixel_format_info(format);
uint32_t handles[4] = { 0 };
for (int i = 0; i < format_info.num_planes; ++i) {
r = drmPrimeFDToHandle(card.fd(), fds[i], &handles[i]);
if (r)
throw invalid_argument(string("drmPrimeFDToHandle: ") + strerror(errno));
}
uint32_t id;
r = drmModeAddFB2(card.fd(), width, height, (uint32_t)format,
handles, pitches, offsets, &id, 0);
if (r)
throw invalid_argument(string("drmModeAddFB2 failed: ") + strerror(errno));
set_id(id);
}
void main_gbm()
{
Card card;
GbmDevice gdev(card);
EglState egl(gdev.handle());
vector<unique_ptr<OutputHandler>> outputs;
vector<Plane*> used_planes;
float rot_mult = 1;
for (auto pipe : card.get_connected_pipelines()) {
auto connector = pipe.connector;
auto crtc = pipe.crtc;
auto mode = connector->get_default_mode();
Plane* plane = 0;
if (s_support_planes) {
for (Plane* p : crtc->get_possible_planes()) {
if (find(used_planes.begin(), used_planes.end(), p) != used_planes.end())
continue;
if (p->plane_type() != PlaneType::Overlay)
continue;
plane = p;
break;
}
}
if (plane)
used_planes.push_back(plane);
auto out = new OutputHandler(card, gdev, egl, connector, crtc, mode, plane, rot_mult);
outputs.emplace_back(out);
rot_mult *= 1.33;
}
for (auto& out : outputs)
out->setup();
for (auto& out : outputs)
out->start_flipping();
struct pollfd fds[2] = { };
fds[0].fd = 0;
fds[0].events = POLLIN;
fds[1].fd = card.fd();
fds[1].events = POLLIN;
while (!s_need_exit || s_flip_pending) {
int r = poll(fds, ARRAY_SIZE(fds), -1);
FAIL_IF(r < 0, "poll error %d", r);
if (fds[0].revents)
s_need_exit = true;
if (fds[1].revents)
card.call_page_flip_handlers();
}
}
GbmDevice(Card& card)
{
m_dev = gbm_create_device(card.fd());
FAIL_IF(!m_dev, "failed to create gbm device");
}
int main(int argc, char** argv)
{
string src_conn_name = "unknown";
string dst_conn_name = "hdmi";
PixelFormat pixfmt = PixelFormat::XRGB8888;
OptionSet optionset = {
Option("s|src=", [&](string s)
{
src_conn_name = s;
}),
Option("d|dst=", [&](string s)
{
dst_conn_name = s;
}),
Option("f|format=", [&](string s)
{
pixfmt = FourCCToPixelFormat(s);
}),
Option("h|help", [&]()
{
puts(usage_str);
exit(-1);
}),
};
optionset.parse(argc, argv);
if (optionset.params().size() > 0) {
puts(usage_str);
exit(-1);
}
VideoDevice vid("/dev/video11");
Card card;
ResourceManager resman(card);
auto src_conn = resman.reserve_connector(src_conn_name);
auto src_crtc = resman.reserve_crtc(src_conn);
uint32_t src_width = src_crtc->mode().hdisplay;
uint32_t src_height = src_crtc->mode().vdisplay;
printf("src %s, crtc %ux%u\n", src_conn->fullname().c_str(), src_width, src_height);
auto dst_conn = resman.reserve_connector(dst_conn_name);
auto dst_crtc = resman.reserve_crtc(dst_conn);
auto dst_plane = resman.reserve_overlay_plane(dst_crtc, pixfmt);
FAIL_IF(!dst_plane, "Plane not found");
uint32_t dst_width = min((uint32_t)dst_crtc->mode().hdisplay, src_width);
uint32_t dst_height = min((uint32_t)dst_crtc->mode().vdisplay, src_height);
printf("dst %s, crtc %ux%u, plane %ux%u\n", dst_conn->fullname().c_str(),
dst_crtc->mode().hdisplay, dst_crtc->mode().vdisplay,
dst_width, dst_height);
for (int i = 0; i < CAMERA_BUF_QUEUE_SIZE; ++i) {
auto fb = new DumbFramebuffer(card, src_width, src_height, pixfmt);
s_fbs.push_back(fb);
s_free_fbs.push_back(fb);
}
// get one fb for initial setup
s_ready_fbs.push_back(s_free_fbs.back());
s_free_fbs.pop_back();
// This draws a moving bar to SRC display
BarFlipState barflipper(card, src_crtc);
barflipper.start_flipping();
// This shows the captures SRC frames on DST display
WBFlipState wbflipper(card, dst_crtc, dst_plane);
wbflipper.setup(0, 0, dst_width, dst_height);
WBStreamer wb(vid.get_capture_streamer(), src_crtc, src_width, src_height, pixfmt);
wb.start_streaming();
vector<pollfd> fds(3);
fds[0].fd = 0;
fds[0].events = POLLIN;
fds[1].fd = wb.fd();
fds[1].events = POLLIN;
fds[2].fd = card.fd();
fds[2].events = POLLIN;
while (true) {
int r = poll(fds.data(), fds.size(), -1);
ASSERT(r > 0);
if (fds[0].revents != 0)
break;
if (fds[1].revents) {
fds[1].revents = 0;
wb.Dequeue();
wbflipper.queue_next();
}
if (fds[2].revents) {
fds[2].revents = 0;
card.call_page_flip_handlers();
wb.Queue();
}
}
printf("exiting...\n");
}