1*f0687c8aSRaman Tenneti #include <algorithm>
2*f0687c8aSRaman Tenneti #include <cstring>
3*f0687c8aSRaman Tenneti #include <stdexcept>
4*f0687c8aSRaman Tenneti #include <sys/mman.h>
5*f0687c8aSRaman Tenneti #include <xf86drm.h>
6*f0687c8aSRaman Tenneti #include <xf86drmMode.h>
7*f0687c8aSRaman Tenneti
8*f0687c8aSRaman Tenneti #include <kms++/kms++.h>
9*f0687c8aSRaman Tenneti
10*f0687c8aSRaman Tenneti using namespace std;
11*f0687c8aSRaman Tenneti
12*f0687c8aSRaman Tenneti namespace kms
13*f0687c8aSRaman Tenneti {
Framebuffer(Card & card,uint32_t width,uint32_t height)14*f0687c8aSRaman Tenneti Framebuffer::Framebuffer(Card& card, uint32_t width, uint32_t height)
15*f0687c8aSRaman Tenneti : DrmObject(card, DRM_MODE_OBJECT_FB), m_width(width), m_height(height)
16*f0687c8aSRaman Tenneti {
17*f0687c8aSRaman Tenneti card.m_framebuffers.push_back(this);
18*f0687c8aSRaman Tenneti }
19*f0687c8aSRaman Tenneti
Framebuffer(Card & card,uint32_t id)20*f0687c8aSRaman Tenneti Framebuffer::Framebuffer(Card& card, uint32_t id)
21*f0687c8aSRaman Tenneti : DrmObject(card, id, DRM_MODE_OBJECT_FB)
22*f0687c8aSRaman Tenneti {
23*f0687c8aSRaman Tenneti auto fb = drmModeGetFB(card.fd(), id);
24*f0687c8aSRaman Tenneti
25*f0687c8aSRaman Tenneti if (fb) {
26*f0687c8aSRaman Tenneti m_width = fb->width;
27*f0687c8aSRaman Tenneti m_height = fb->height;
28*f0687c8aSRaman Tenneti
29*f0687c8aSRaman Tenneti drmModeFreeFB(fb);
30*f0687c8aSRaman Tenneti } else {
31*f0687c8aSRaman Tenneti m_width = m_height = 0;
32*f0687c8aSRaman Tenneti }
33*f0687c8aSRaman Tenneti
34*f0687c8aSRaman Tenneti card.m_framebuffers.push_back(this);
35*f0687c8aSRaman Tenneti }
36*f0687c8aSRaman Tenneti
flush()37*f0687c8aSRaman Tenneti void Framebuffer::flush()
38*f0687c8aSRaman Tenneti {
39*f0687c8aSRaman Tenneti drmModeClip clip{};
40*f0687c8aSRaman Tenneti clip.x1 = clip.y1 = 0;
41*f0687c8aSRaman Tenneti clip.x2 = width();
42*f0687c8aSRaman Tenneti clip.y2 = height();
43*f0687c8aSRaman Tenneti
44*f0687c8aSRaman Tenneti drmModeDirtyFB(card().fd(), id(), &clip, 1);
45*f0687c8aSRaman Tenneti }
46*f0687c8aSRaman Tenneti
~Framebuffer()47*f0687c8aSRaman Tenneti Framebuffer::~Framebuffer()
48*f0687c8aSRaman Tenneti {
49*f0687c8aSRaman Tenneti auto& fbs = card().m_framebuffers;
50*f0687c8aSRaman Tenneti auto iter = find(fbs.begin(), fbs.end(), this);
51*f0687c8aSRaman Tenneti card().m_framebuffers.erase(iter);
52*f0687c8aSRaman Tenneti }
53*f0687c8aSRaman Tenneti
54*f0687c8aSRaman Tenneti } // namespace kms
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