libkms++/framebuffer.cpp

   1 #include <algorithm>
   2 #include <cstring>
   3 #include <stdexcept>
   4 #include <sys/mman.h>
   5 #include <xf86drm.h>
   6 #include <xf86drmMode.h>
   7
   8 #include "kms++.h"
   9
  10 using namespace std;
  11
  12 namespace kms
  13 {
  14
  15 Framebuffer::Framebuffer(Card& card, int width, int height)
  16         : DrmObject(card, DRM_MODE_OBJECT_FB), m_width(width), m_height(height)
  17 {
  18         card.m_framebuffers.push_back(this);
  19 }
  20
  21 Framebuffer::Framebuffer(Card& card, uint32_t id)
  22         : DrmObject(card, id, DRM_MODE_OBJECT_FB)
  23 {
  24         auto fb = drmModeGetFB(card.fd(), id);
  25
  26         m_width = fb->width;
  27         m_height = fb->height;
  28
  29         drmModeFreeFB(fb);
  30
  31         card.m_framebuffers.push_back(this);
  32 }
  33
  34 Framebuffer::~Framebuffer()
  35 {
  36         auto& fbs = card().m_framebuffers;
  37         auto iter = find(fbs.begin(), fbs.end(), this);
  38         card().m_framebuffers.erase(iter);
  39 }
  40
  41
  42 }