diff options
Diffstat (limited to 'libkms++/card.cpp')
| -rw-r--r-- | libkms++/card.cpp | 239 |
1 files changed, 0 insertions, 239 deletions
diff --git a/libkms++/card.cpp b/libkms++/card.cpp deleted file mode 100644 index 504aa61..0000000 --- a/libkms++/card.cpp +++ /dev/null @@ -1,239 +0,0 @@ -#include <stdio.h> -#include <unistd.h> -#include <fcntl.h> -#include <utility> -#include <stdexcept> -#include <string.h> -#include <algorithm> - -#include <xf86drm.h> -#include <xf86drmMode.h> - -#include "kms++.h" - -using namespace std; - -namespace kms -{ - -Card::Card() - : Card("/dev/dri/card0") -{ -} - - -Card::Card(const std::string& device) -{ - int fd = open(device.c_str(), O_RDWR | O_CLOEXEC); - if (fd < 0) - throw invalid_argument(string(strerror(errno)) + " opening " + device); - m_fd = fd; - - int r; - - r = drmSetMaster(fd); - m_master = r == 0; - - if (getenv("LIBKMSXX_DISABLE_UNIVERSAL_PLANES") == 0) { - r = drmSetClientCap(m_fd, DRM_CLIENT_CAP_UNIVERSAL_PLANES, 1); - m_has_universal_planes = r == 0; - } else { - m_has_universal_planes = false; - } - -#ifdef DRM_CLIENT_CAP_ATOMIC - if (getenv("LIBKMSXX_DISABLE_ATOMIC") == 0) { - r = drmSetClientCap(m_fd, DRM_CLIENT_CAP_ATOMIC, 1); - m_has_atomic = r == 0; - } else { - m_has_atomic = false; - } -#else - m_has_atomic = false; -#endif - - uint64_t has_dumb; - r = drmGetCap(fd, DRM_CAP_DUMB_BUFFER, &has_dumb); - if (r || !has_dumb) - throw invalid_argument("Dumb buffers not available"); - - auto res = drmModeGetResources(m_fd); - if (!res) - throw invalid_argument("Can't get card resources"); - - for (int i = 0; i < res->count_connectors; ++i) { - uint32_t id = res->connectors[i]; - auto ob = new Connector(*this, id, i); - m_obmap[id] = ob; - m_connectors.push_back(ob); - } - - for (int i = 0; i < res->count_crtcs; ++i) { - uint32_t id = res->crtcs[i]; - auto ob = new Crtc(*this, id, i); - m_obmap[id] = ob; - m_crtcs.push_back(ob); - } - - for (int i = 0; i < res->count_encoders; ++i) { - uint32_t id = res->encoders[i]; - auto ob = new Encoder(*this, id, i); - m_obmap[id] = ob; - m_encoders.push_back(ob); - } - - drmModeFreeResources(res); - - auto planeRes = drmModeGetPlaneResources(m_fd); - - for (uint i = 0; i < planeRes->count_planes; ++i) { - uint32_t id = planeRes->planes[i]; - auto ob = new Plane(*this, id, i); - m_obmap[id] = ob; - m_planes.push_back(ob); - } - - drmModeFreePlaneResources(planeRes); - - // collect all possible props - for (auto ob : get_objects()) { - auto props = drmModeObjectGetProperties(m_fd, ob->id(), ob->object_type()); - - if (props == nullptr) - continue; - - for (unsigned i = 0; i < props->count_props; ++i) { - uint32_t prop_id = props->props[i]; - - if (m_obmap.find(prop_id) == m_obmap.end()) { - auto ob = new Property(*this, prop_id); - m_obmap[prop_id] = ob; - m_properties.push_back(ob); - } - } - - drmModeFreeObjectProperties(props); - } - - for (auto pair : m_obmap) - pair.second->setup(); -} - -Card::~Card() -{ - restore_modes(); - - while (m_framebuffers.size() > 0) - delete m_framebuffers.back(); - - for (auto pair : m_obmap) - delete pair.second; - - close(m_fd); -} - -void Card::drop_master() -{ - drmDropMaster(fd()); -} - -void Card::restore_modes() -{ - for (auto conn : get_connectors()) - conn->restore_mode(); -} - -Property* Card::get_prop(const string& name) const -{ - for (auto prop : m_properties) { - if (name == prop->name()) - return prop; - } - - throw invalid_argument(string("Card property ") + name + " not found"); -} - -Connector* Card::get_first_connected_connector() const -{ - for(auto c : m_connectors) { - if (c->connected()) - return c; - } - - throw invalid_argument("no connected connectors"); -} - -DrmObject* Card::get_object(uint32_t id) const -{ - auto iter = m_obmap.find(id); - if (iter != m_obmap.end()) - return iter->second; - return nullptr; -} - -const vector<DrmObject*> Card::get_objects() const -{ - vector<DrmObject*> v; - for(auto pair : m_obmap) - v.push_back(pair.second); - return v; -} - -Connector* Card::get_connector(uint32_t id) const { return dynamic_cast<Connector*>(get_object(id)); } -Crtc* Card::get_crtc(uint32_t id) const { return dynamic_cast<Crtc*>(get_object(id)); } -Encoder* Card::get_encoder(uint32_t id) const { return dynamic_cast<Encoder*>(get_object(id)); } -Property* Card::get_prop(uint32_t id) const { return dynamic_cast<Property*>(get_object(id)); } -Plane* Card::get_plane(uint32_t id) const { return dynamic_cast<Plane*>(get_object(id)); } - -std::vector<kms::Pipeline> Card::get_connected_pipelines() -{ - vector<Pipeline> outputs; - - for (auto conn : get_connectors()) - { - if (conn->connected() == false) - continue; - - Crtc* crtc = conn->get_current_crtc(); - - if (!crtc) { - for (auto possible : conn->get_possible_crtcs()) { - if (find_if(outputs.begin(), outputs.end(), [possible](Pipeline out) { return out.crtc == possible; }) == outputs.end()) { - crtc = possible; - break; - } - } - } - - if (!crtc) - throw invalid_argument(string("Connector #") + - to_string(conn->idx()) + - " has no possible crtcs"); - - outputs.push_back(Pipeline { crtc, conn }); - } - - return outputs; -} - -static void page_flip_handler(int fd, unsigned int frame, - unsigned int sec, unsigned int usec, - void *data) -{ - auto handler = (PageFlipHandlerBase*)data; - double time = sec + usec / 1000000.0; - handler->handle_page_flip(frame, time); -} - -void Card::call_page_flip_handlers() -{ - drmEventContext ev = { - .version = DRM_EVENT_CONTEXT_VERSION, - .vblank_handler = 0, - .page_flip_handler = page_flip_handler, - }; - - drmHandleEvent(fd(), &ev); -} - -} |