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      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>
     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 
     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