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#include <stdio.h>
#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <cassert>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <algorithm>
#include <kms++/kms++.h>
using namespace std;
namespace kms
{
struct PlanePriv
{
drmModePlanePtr drm_plane;
};
Plane::Plane(Card &card, uint32_t id, uint32_t idx)
:DrmPropObject(card, id, DRM_MODE_OBJECT_PLANE, idx)
{
m_priv = new PlanePriv();
m_priv->drm_plane = drmModeGetPlane(this->card().fd(), this->id());
assert(m_priv->drm_plane);
}
Plane::~Plane()
{
drmModeFreePlane(m_priv->drm_plane);
delete m_priv;
}
bool Plane::supports_crtc(Crtc* crtc) const
{
return m_priv->drm_plane->possible_crtcs & (1 << crtc->idx());
}
bool Plane::supports_format(PixelFormat fmt) const
{
auto p = m_priv->drm_plane;
for (unsigned i = 0; i < p->count_formats; ++i)
if ((uint32_t)fmt == p->formats[i])
return true;
return false;
}
PlaneType Plane::plane_type() const
{
if (card().has_has_universal_planes()) {
switch (get_prop_value("type")) {
case DRM_PLANE_TYPE_OVERLAY:
return PlaneType::Overlay;
case DRM_PLANE_TYPE_PRIMARY:
return PlaneType::Primary;
case DRM_PLANE_TYPE_CURSOR:
return PlaneType::Cursor;
default:
throw invalid_argument("Bad plane type");
}
} else {
return PlaneType::Overlay;
}
}
vector<Crtc*> Plane::get_possible_crtcs() const
{
unsigned idx = 0;
vector<Crtc*> v;
auto crtcs = card().get_crtcs();
for (uint32_t crtc_mask = m_priv->drm_plane->possible_crtcs;
crtc_mask;
idx++, crtc_mask >>= 1) {
if ((crtc_mask & 1) == 0)
continue;
auto iter = find_if(crtcs.begin(), crtcs.end(), [idx](Crtc* crtc) { return crtc->idx() == idx; });
if (iter == crtcs.end())
throw runtime_error("get_possible_crtcs: crtc missing");
v.push_back(*iter);
}
return v;
}
vector<PixelFormat> Plane::get_formats() const
{
auto p = m_priv->drm_plane;
vector<PixelFormat> r;
for (unsigned i = 0; i < p->count_formats; ++i)
r.push_back((PixelFormat) p->formats[i]);
return r;
}
uint32_t Plane::crtc_id() const
{
return m_priv->drm_plane->crtc_id;
}
uint32_t Plane::fb_id() const
{
return m_priv->drm_plane->fb_id;
}
uint32_t Plane::crtc_x() const
{
return m_priv->drm_plane->crtc_x;
}
uint32_t Plane::crtc_y() const
{
return m_priv->drm_plane->crtc_y;
}
uint32_t Plane::x() const
{
return m_priv->drm_plane->x;
}
uint32_t Plane::y() const
{
return m_priv->drm_plane->y;
}
uint32_t Plane::gamma_size() const
{
return m_priv->drm_plane->gamma_size;
}
}
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