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Crtc: fix get_primary_plane
[android/external-libkmsxx.git] / libkms++ / property.cpp
1 #include <xf86drm.h>
2 #include <xf86drmMode.h>
4 #include "kms++.h"
6 using namespace std;
8 namespace kms
9 {
11 struct PropertyPriv
12 {
13         drmModePropertyPtr drm_prop;
14 };
16 Property::Property(Card& card, uint32_t id)
17         : DrmObject(card, id, DRM_MODE_OBJECT_PROPERTY)
18 {
19         m_priv = new PropertyPriv();
20         m_priv->drm_prop = drmModeGetProperty(card.fd(), id);
21         m_name = m_priv->drm_prop->name;
22 }
24 Property::~Property()
25 {
26         drmModeFreeProperty(m_priv->drm_prop);
27         delete m_priv;
28 }
30 const string& Property::name() const
31 {
32         return m_name;
33 }
35 const std::string Property::to_str(uint64_t val) const
36 {
37         drmModePropertyPtr p = m_priv->drm_prop;
38         string ret;
40         if (p->flags & DRM_MODE_PROP_ENUM) {
41                 for (int i = 0; i < p->count_enums; i++) {
42                         if (p->enums[i].value == val) {
43                                 ret += string("\"") + p->enums[i].name + "\"";
44                                 break;
45                         }
46                 }
47                 ret += " (enum: " + to_string(val) + ")";
48         } else if (p->flags & DRM_MODE_PROP_RANGE) {
49                 ret += to_string(val);
50                 if (p->count_values == 2)
51                         ret += " [" + to_string(p->values[0]) + "-" +
52                                 to_string(p->values[1]) + "]";
53                 else
54                         ret += " <broken range>";
55         } else if (p->flags & DRM_MODE_PROP_BLOB) {
56                 ret += "Blob id: " + to_string(val);
58                 auto blob = drmModeGetPropertyBlob(card().fd(), (uint32_t) val);
59                 if (blob) {
60                         ret += " length: " + to_string(blob->length);
61                         drmModeFreePropertyBlob(blob);
62                 }
63         } else {
64                 ret += to_string(val);
65         }
67         if (p->flags & DRM_MODE_PROP_PENDING)
68                 ret += " (pendig)";
69         if (p->flags & DRM_MODE_PROP_IMMUTABLE)
70                 ret += " (immutable)";
72         return ret;
73 }
74 }