1 #include <pybind11/pybind11.h>
2 #include <pybind11/stl.h>
3 #include <kms++/kms++.h>
4
5 namespace py = pybind11;
6
7 using namespace kms;
8 using namespace std;
9
10 // Helper to convert vector<T*> to vector<unique_ptr<T, py::nodelete>>
11 template<typename T>
convert_vector(const vector<T * > & source)12 static vector<unique_ptr<T, py::nodelete>> convert_vector(const vector<T*>& source)
13 {
14 vector<unique_ptr<T, py::nodelete>> v;
15 for (T* p : source)
16 v.push_back(unique_ptr<T, py::nodelete>(p));
17 return v;
18 }
19
init_pykmsbase(py::module & m)20 void init_pykmsbase(py::module &m)
21 {
22 py::class_<Card>(m, "Card")
23 .def(py::init<>())
24 .def_property_readonly("fd", &Card::fd)
25 .def_property_readonly("get_first_connected_connector", &Card::get_first_connected_connector)
26
27 // XXX pybind11 can't handle vector<T*> where T is non-copyable, and complains:
28 // RuntimeError: return_value_policy = move, but the object is neither movable nor copyable!
29 // So we do this manually.
30 .def_property_readonly("connectors", [](Card* self) {
31 return convert_vector(self->get_connectors());
32 })
33
34 .def_property_readonly("crtcs", [](Card* self) {
35 return convert_vector(self->get_crtcs());
36 })
37
38 .def_property_readonly("encoders", [](Card* self) {
39 return convert_vector(self->get_encoders());
40 })
41
42 .def_property_readonly("planes", [](Card* self) {
43 return convert_vector(self->get_planes());
44 })
45
46 .def_property_readonly("has_atomic", &Card::has_atomic)
47 .def("get_prop", (Property* (Card::*)(uint32_t) const)&Card::get_prop)
48 ;
49
50 py::class_<DrmObject, unique_ptr<DrmObject, py::nodelete>>(m, "DrmObject")
51 .def_property_readonly("id", &DrmObject::id)
52 .def_property_readonly("idx", &DrmObject::idx)
53 .def_property_readonly("card", &DrmObject::card)
54 ;
55
56 py::class_<DrmPropObject, DrmObject, unique_ptr<DrmPropObject, py::nodelete>>(m, "DrmPropObject")
57 .def("refresh_props", &DrmPropObject::refresh_props)
58 .def_property_readonly("prop_map", &DrmPropObject::get_prop_map)
59 .def("get_prop_value", (uint64_t (DrmPropObject::*)(const string&) const)&DrmPropObject::get_prop_value)
60 .def("set_prop_value",(int (DrmPropObject::*)(const string&, uint64_t)) &DrmPropObject::set_prop_value)
61 .def("get_prop_value_as_blob", &DrmPropObject::get_prop_value_as_blob)
62 .def("get_prop", &DrmPropObject::get_prop)
63 ;
64
65 py::class_<Connector, DrmPropObject, unique_ptr<Connector, py::nodelete>>(m, "Connector")
66 .def_property_readonly("fullname", &Connector::fullname)
67 .def("get_default_mode", &Connector::get_default_mode)
68 .def("get_current_crtc", &Connector::get_current_crtc)
69 .def("get_possible_crtcs", [](Connector* self) {
70 return convert_vector(self->get_possible_crtcs());
71 })
72 .def("get_modes", &Connector::get_modes)
73 .def("get_mode", (Videomode (Connector::*)(const string& mode) const)&Connector::get_mode)
74 .def("get_mode", (Videomode (Connector::*)(unsigned xres, unsigned yres, float refresh, bool ilace) const)&Connector::get_mode)
75 .def("connected", &Connector::connected)
76 .def("__repr__", [](const Connector& o) { return "<pykms.Connector " + to_string(o.id()) + ">"; })
77 .def("refresh", &Connector::refresh)
78 ;
79
80 py::class_<Crtc, DrmPropObject, unique_ptr<Crtc, py::nodelete>>(m, "Crtc")
81 .def("set_mode", (int (Crtc::*)(Connector*, const Videomode&))&Crtc::set_mode)
82 .def("set_mode", (int (Crtc::*)(Connector*, Framebuffer&, const Videomode&))&Crtc::set_mode)
83 .def("disable_mode", &Crtc::disable_mode)
84 .def("page_flip",
85 [](Crtc* self, Framebuffer& fb, uint32_t data)
86 {
87 self->page_flip(fb, (void*)(intptr_t)data);
88 }, py::arg("fb"), py::arg("data") = 0)
89 .def("set_plane", &Crtc::set_plane)
90 .def_property_readonly("possible_planes", &Crtc::get_possible_planes)
91 .def_property_readonly("primary_plane", &Crtc::get_primary_plane)
92 .def_property_readonly("mode", &Crtc::mode)
93 .def_property_readonly("mode_valid", &Crtc::mode_valid)
94 .def("__repr__", [](const Crtc& o) { return "<pykms.Crtc " + to_string(o.id()) + ">"; })
95 .def("refresh", &Crtc::refresh)
96 ;
97
98 py::class_<Encoder, DrmPropObject, unique_ptr<Encoder, py::nodelete>>(m, "Encoder")
99 .def("refresh", &Encoder::refresh)
100 ;
101
102 py::class_<Plane, DrmPropObject, unique_ptr<Plane, py::nodelete>>(m, "Plane")
103 .def("supports_crtc", &Plane::supports_crtc)
104 .def_property_readonly("formats", &Plane::get_formats)
105 .def_property_readonly("plane_type", &Plane::plane_type)
106 .def("__repr__", [](const Plane& o) { return "<pykms.Plane " + to_string(o.id()) + ">"; })
107 ;
108
109 py::enum_<PlaneType>(m, "PlaneType")
110 .value("Overlay", PlaneType::Overlay)
111 .value("Primary", PlaneType::Primary)
112 .value("Cursor", PlaneType::Cursor)
113 ;
114
115 py::class_<Property, DrmObject, unique_ptr<Property, py::nodelete>>(m, "Property")
116 .def_property_readonly("name", &Property::name)
117 .def_property_readonly("enums", &Property::get_enums)
118 ;
119
120 py::class_<Blob>(m, "Blob")
121 .def("__init__", [](Blob& instance, Card& card, py::buffer buf) {
122 py::buffer_info info = buf.request();
123 if (info.ndim != 1)
124 throw std::runtime_error("Incompatible buffer dimension!");
125
126 new (&instance) Blob(card, info.ptr, info.size * info.itemsize);
127 },
128 py::keep_alive<1, 3>()) // Keep Card alive until this is destructed
129
130 .def_property_readonly("data", &Blob::data)
131
132 // XXX pybind11 doesn't support a base object (DrmObject) with custom holder-type,
133 // and a subclass with standard holder-type.
134 // So we just copy the DrmObject members here.
135 // Note that this means that python thinks we don't derive from DrmObject
136 .def_property_readonly("id", &DrmObject::id)
137 .def_property_readonly("idx", &DrmObject::idx)
138 .def_property_readonly("card", &DrmObject::card)
139 ;
140
141 py::class_<Framebuffer>(m, "Framebuffer")
142 .def_property_readonly("width", &Framebuffer::width)
143 .def_property_readonly("height", &Framebuffer::height)
144
145 // XXX pybind11 doesn't support a base object (DrmObject) with custom holder-type,
146 // and a subclass with standard holder-type.
147 // So we just copy the DrmObject members here.
148 // Note that this means that python thinks we don't derive from DrmObject
149 .def_property_readonly("id", &DrmObject::id)
150 .def_property_readonly("idx", &DrmObject::idx)
151 .def_property_readonly("card", &DrmObject::card)
152 ;
153
154 py::class_<DumbFramebuffer, Framebuffer>(m, "DumbFramebuffer")
155 .def(py::init<Card&, uint32_t, uint32_t, const string&>(),
156 py::keep_alive<1, 2>()) // Keep Card alive until this is destructed
157 .def(py::init<Card&, uint32_t, uint32_t, PixelFormat>(),
158 py::keep_alive<1, 2>()) // Keep Card alive until this is destructed
159 .def_property_readonly("format", &DumbFramebuffer::format)
160 .def_property_readonly("num_planes", &DumbFramebuffer::num_planes)
161 .def("fd", &DumbFramebuffer::prime_fd)
162 .def("stride", &DumbFramebuffer::stride)
163 .def("offset", &DumbFramebuffer::offset)
164 ;
165
166 py::class_<ExtFramebuffer, Framebuffer>(m, "ExtFramebuffer")
167 .def(py::init<Card&, uint32_t, uint32_t, PixelFormat, vector<int>, vector<uint32_t>, vector<uint32_t>>(),
168 py::keep_alive<1, 2>()) // Keep Card alive until this is destructed
169 ;
170
171 py::enum_<PixelFormat>(m, "PixelFormat")
172 .value("Undefined", PixelFormat::Undefined)
173
174 .value("NV12", PixelFormat::NV12)
175 .value("NV21", PixelFormat::NV21)
176
177 .value("UYVY", PixelFormat::UYVY)
178 .value("YUYV", PixelFormat::YUYV)
179 .value("YVYU", PixelFormat::YVYU)
180 .value("VYUY", PixelFormat::VYUY)
181
182 .value("XRGB8888", PixelFormat::XRGB8888)
183 .value("XBGR8888", PixelFormat::XBGR8888)
184 .value("ARGB8888", PixelFormat::ARGB8888)
185 .value("ABGR8888", PixelFormat::ABGR8888)
186
187 .value("RGB888", PixelFormat::RGB888)
188 .value("BGR888", PixelFormat::BGR888)
189
190 .value("RGB565", PixelFormat::RGB565)
191 .value("BGR565", PixelFormat::BGR565)
192 ;
193
194 py::enum_<SyncPolarity>(m, "SyncPolarity")
195 .value("Undefined", SyncPolarity::Undefined)
196 .value("Positive", SyncPolarity::Positive)
197 .value("Negative", SyncPolarity::Negative)
198 ;
199
200 py::class_<Videomode>(m, "Videomode")
201 .def(py::init<>())
202
203 .def_readwrite("name", &Videomode::name)
204
205 .def_readwrite("clock", &Videomode::clock)
206
207 .def_readwrite("hdisplay", &Videomode::hdisplay)
208 .def_readwrite("hsync_start", &Videomode::hsync_start)
209 .def_readwrite("hsync_end", &Videomode::hsync_end)
210 .def_readwrite("htotal", &Videomode::htotal)
211
212 .def_readwrite("vdisplay", &Videomode::vdisplay)
213 .def_readwrite("vsync_start", &Videomode::vsync_start)
214 .def_readwrite("vsync_end", &Videomode::vsync_end)
215 .def_readwrite("vtotal", &Videomode::vtotal)
216
217 .def_readwrite("vrefresh", &Videomode::vrefresh)
218
219 .def_readwrite("flags", &Videomode::flags)
220 .def_readwrite("type", &Videomode::type)
221
222 .def("__repr__", [](const Videomode& vm) { return "<pykms.Videomode " + to_string(vm.hdisplay) + "x" + to_string(vm.vdisplay) + ">"; })
223
224 .def("to_blob", &Videomode::to_blob)
225
226 .def_property("hsync", &Videomode::hsync, &Videomode::set_hsync)
227 .def_property("vsync", &Videomode::vsync, &Videomode::set_vsync)
228 ;
229
230
231 m.def("videomode_from_timings", &videomode_from_timings);
232
233 py::class_<AtomicReq>(m, "AtomicReq")
234 .def(py::init<Card&>(),
235 py::keep_alive<1, 2>()) // Keep Card alive until this is destructed
236 .def("add", (void (AtomicReq::*)(DrmPropObject*, const string&, uint64_t)) &AtomicReq::add)
237 .def("add", (void (AtomicReq::*)(DrmPropObject*, const map<string, uint64_t>&)) &AtomicReq::add)
238 .def("test", &AtomicReq::test, py::arg("allow_modeset") = false)
239 .def("commit",
240 [](AtomicReq* self, uint32_t data, bool allow)
241 {
242 return self->commit((void*)(intptr_t)data, allow);
243 }, py::arg("data") = 0, py::arg("allow_modeset") = false)
244 .def("commit_sync", &AtomicReq::commit_sync, py::arg("allow_modeset") = false)
245 ;
246 }
247