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#include <cstdio>
#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <cassert>
#include <kms++/kms++.h>
#include "helpers.h"
using namespace std;
namespace kms
{
struct CrtcPriv
{
drmModeCrtcPtr drm_crtc;
};
Crtc::Crtc(Card &card, uint32_t id, uint32_t idx)
:DrmPropObject(card, id, DRM_MODE_OBJECT_CRTC, idx)
{
m_priv = new CrtcPriv();
m_priv->drm_crtc = drmModeGetCrtc(this->card().fd(), this->id());
assert(m_priv->drm_crtc);
}
Crtc::~Crtc()
{
drmModeFreeCrtc(m_priv->drm_crtc);
delete m_priv;
}
void Crtc::refresh()
{
drmModeFreeCrtc(m_priv->drm_crtc);
m_priv->drm_crtc = drmModeGetCrtc(this->card().fd(), this->id());
assert(m_priv->drm_crtc);
}
void Crtc::setup()
{
for (Plane* plane : card().get_planes()) {
if (plane->supports_crtc(this))
m_possible_planes.push_back(plane);
}
}
void Crtc::restore_mode(Connector* conn)
{
auto c = m_priv->drm_crtc;
uint32_t conns[] = { conn->id() };
drmModeSetCrtc(card().fd(), id(), c->buffer_id,
c->x, c->y,
conns, 1, &c->mode);
}
int Crtc::set_mode(Connector* conn, const Videomode& mode)
{
AtomicReq req(card());
unique_ptr<Blob> blob = mode.to_blob(card());
req.add(conn, {
{ "CRTC_ID", this->id() },
});
req.add(this, {
{ "ACTIVE", 1 },
{ "MODE_ID", blob->id() },
});
int r = req.commit_sync(true);
refresh();
return r;
}
int Crtc::set_mode(Connector* conn, Framebuffer& fb, const Videomode& mode)
{
uint32_t conns[] = { conn->id() };
drmModeModeInfo drmmode = video_mode_to_drm_mode(mode);
return drmModeSetCrtc(card().fd(), id(), fb.id(),
0, 0,
conns, 1, &drmmode);
}
int Crtc::disable_mode()
{
return drmModeSetCrtc(card().fd(), id(), 0, 0, 0, 0, 0, 0);
}
static inline uint32_t conv(float x)
{
// XXX fix the conversion for fractional part
return ((uint32_t)x) << 16;
}
int Crtc::set_plane(Plane* plane, Framebuffer& fb,
int32_t dst_x, int32_t dst_y, uint32_t dst_w, uint32_t dst_h,
float src_x, float src_y, float src_w, float src_h)
{
return drmModeSetPlane(card().fd(), plane->id(), id(), fb.id(), 0,
dst_x, dst_y, dst_w, dst_h,
conv(src_x), conv(src_y), conv(src_w), conv(src_h));
}
int Crtc::disable_plane(Plane* plane)
{
return drmModeSetPlane(card().fd(), plane->id(), 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0);
}
Plane* Crtc::get_primary_plane()
{
Plane *primary = nullptr;
for (Plane* p : get_possible_planes()) {
if (p->plane_type() != PlaneType::Primary)
continue;
if (p->crtc_id() == id())
return p;
primary = p;
}
if (primary)
return primary;
throw invalid_argument(string("No primary plane for crtc ") + to_string(id()));
}
int Crtc::page_flip(Framebuffer& fb, void *data)
{
return drmModePageFlip(card().fd(), id(), fb.id(), DRM_MODE_PAGE_FLIP_EVENT, data);
}
uint32_t Crtc::buffer_id() const
{
return m_priv->drm_crtc->buffer_id;
}
uint32_t Crtc::x() const
{
return m_priv->drm_crtc->x;
}
uint32_t Crtc::y() const
{
return m_priv->drm_crtc->y;
}
uint32_t Crtc::width() const
{
return m_priv->drm_crtc->width;
}
uint32_t Crtc::height() const
{
return m_priv->drm_crtc->height;
}
int Crtc::mode_valid() const
{
return m_priv->drm_crtc->mode_valid;
}
Videomode Crtc::mode() const
{
return drm_mode_to_video_mode(m_priv->drm_crtc->mode);
}
int Crtc::gamma_size() const
{
return m_priv->drm_crtc->gamma_size;
}
}
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