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++/kms++.h>
9
10 using namespace std;
11
12 namespace kms
13 {
14
Framebuffer(Card & card,uint32_t width,uint32_t height)15 Framebuffer::Framebuffer(Card& card, uint32_t width, uint32_t height)
16 : DrmObject(card, DRM_MODE_OBJECT_FB), m_width(width), m_height(height)
17 {
18 card.m_framebuffers.push_back(this);
19 }
20
Framebuffer(Card & card,uint32_t id)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 if (fb) {
27 m_width = fb->width;
28 m_height = fb->height;
29
30 drmModeFreeFB(fb);
31 } else {
32 m_width = m_height = 0;
33 }
34
35 card.m_framebuffers.push_back(this);
36 }
37
flush()38 void Framebuffer::flush()
39 {
40 drmModeClip clip { };
41 clip.x1 = clip.y1 = 0;
42 clip.x2 = width();
43 clip.y2 = height();
44
45 drmModeDirtyFB(card().fd(), id(), &clip, 1);
46 }
47
~Framebuffer()48 Framebuffer::~Framebuffer()
49 {
50 auto& fbs = card().m_framebuffers;
51 auto iter = find(fbs.begin(), fbs.end(), this);
52 card().m_framebuffers.erase(iter);
53 }
54
55
56 }
57