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#include <algorithm>
#include <cstring>
#include <stdexcept>
#include <sys/mman.h>
#include <xf86drm.h>
#include <xf86drmMode.h>
#include <kms++/kms++.h>
using namespace std;
namespace kms
{
Framebuffer::Framebuffer(Card& card, uint32_t width, uint32_t height)
: DrmObject(card, DRM_MODE_OBJECT_FB), m_width(width), m_height(height)
{
card.m_framebuffers.push_back(this);
}
Framebuffer::Framebuffer(Card& card, uint32_t id)
: DrmObject(card, id, DRM_MODE_OBJECT_FB)
{
auto fb = drmModeGetFB(card.fd(), id);
if (fb) {
m_width = fb->width;
m_height = fb->height;
drmModeFreeFB(fb);
} else {
m_width = m_height = 0;
}
card.m_framebuffers.push_back(this);
}
void Framebuffer::flush()
{
drmModeClip clip { };
clip.x1 = clip.y1 = 0;
clip.x2 = width();
clip.y2 = height();
drmModeDirtyFB(card().fd(), id(), &clip, 1);
}
Framebuffer::~Framebuffer()
{
auto& fbs = card().m_framebuffers;
auto iter = find(fbs.begin(), fbs.end(), this);
card().m_framebuffers.erase(iter);
}
}
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