1 #include <string.h>
2 #include <iostream>
3 #include <stdexcept>
4
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
DrmPropObject(Card & card,uint32_t object_type)15 DrmPropObject::DrmPropObject(Card& card, uint32_t object_type)
16 : DrmObject(card, object_type)
17 {
18 }
19
DrmPropObject(Card & card,uint32_t id,uint32_t object_type,uint32_t idx)20 DrmPropObject::DrmPropObject(Card& card, uint32_t id, uint32_t object_type, uint32_t idx)
21 : DrmObject(card, id, object_type, idx)
22 {
23 refresh_props();
24 }
25
~DrmPropObject()26 DrmPropObject::~DrmPropObject()
27 {
28
29 }
30
refresh_props()31 void DrmPropObject::refresh_props()
32 {
33 auto props = drmModeObjectGetProperties(card().fd(), this->id(), this->object_type());
34
35 if (props == nullptr)
36 return;
37
38 for (unsigned i = 0; i < props->count_props; ++i) {
39 uint32_t prop_id = props->props[i];
40 uint64_t prop_value = props->prop_values[i];
41
42 m_prop_values[prop_id] = prop_value;
43 }
44
45 drmModeFreeObjectProperties(props);
46 }
47
get_prop(const string & name) const48 Property* DrmPropObject::get_prop(const string& name) const
49 {
50 for (auto pair : m_prop_values) {
51 auto prop = card().get_prop(pair.first);
52
53 if (name == prop->name())
54 return prop;
55 }
56
57 throw invalid_argument(string("property ") + name + " not found");
58 }
59
get_prop_value(uint32_t id) const60 uint64_t DrmPropObject::get_prop_value(uint32_t id) const
61 {
62 return m_prop_values.at(id);
63 }
64
get_prop_value(const string & name) const65 uint64_t DrmPropObject::get_prop_value(const string& name) const
66 {
67 for (auto pair : m_prop_values) {
68 auto prop = card().get_prop(pair.first);
69 if (name == prop->name())
70 return m_prop_values.at(prop->id());
71 }
72
73 throw invalid_argument("property not found: " + name);
74 }
75
get_prop_value_as_blob(const string & name) const76 unique_ptr<Blob> DrmPropObject::get_prop_value_as_blob(const string& name) const
77 {
78 uint32_t blob_id = (uint32_t)get_prop_value(name);
79
80 return unique_ptr<Blob>(new Blob(card(), blob_id));
81 }
82
set_prop_value(uint32_t id,uint64_t value)83 int DrmPropObject::set_prop_value(uint32_t id, uint64_t value)
84 {
85 return drmModeObjectSetProperty(card().fd(), this->id(), this->object_type(), id, value);
86 }
87
set_prop_value(const string & name,uint64_t value)88 int DrmPropObject::set_prop_value(const string &name, uint64_t value)
89 {
90 Property* prop = get_prop(name);
91
92 if (prop == nullptr)
93 throw invalid_argument("property not found: " + name);
94
95 return set_prop_value(prop->id(), value);
96 }
97
98 }
99