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#include <stdio.h>
#include <iostream>
#include <unistd.h>
#include <fcntl.h>
#include <cassert>
#include "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)
:DrmObject(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::setup()
{
for (Plane* plane : card().get_planes()) {
if (plane->supports_crtc(this))
m_possible_planes.push_back(plane);
}
}
void Crtc::print_short() const
{
auto c = m_priv->drm_crtc;
printf("Crtc %d, %d,%d %dx%d\n", id(),
c->x, c->y, c->width, c->height);
}
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);
}
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::page_flip(Framebuffer& fb, void *data)
{
return drmModePageFlip(card().fd(), id(), fb.id(), DRM_MODE_PAGE_FLIP_EVENT, data);
}
}
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