52 lines
1.7 KiB
C++
52 lines
1.7 KiB
C++
#include "vendor.hpp"
|
|
|
|
#include <cruft/json/tree.hpp>
|
|
|
|
#include <cruft/util/io.hpp>
|
|
#include <cruft/util/log.hpp>
|
|
#include <cruft/util/win32/registry.hpp>
|
|
#include <cruft/util/win32/except.hpp>
|
|
|
|
|
|
///////////////////////////////////////////////////////////////////////////////
|
|
std::vector<cruft::vk::load::icd_t>
|
|
cruft::vk::load::enumerate()
|
|
{
|
|
std::vector<icd_t> res;
|
|
|
|
win32::key root (HKEY_LOCAL_MACHINE, "System\\CurrentControlSet\\Control\\Class\\");
|
|
|
|
for (auto &&adapter: root.subkeys ()) {
|
|
for (auto &&device: adapter.subkeys ()) {
|
|
// device keys must be of the form '000X'
|
|
auto const name = device.name ();
|
|
if (name.size () != 4 ||
|
|
name[0] != '0' ||
|
|
name[1] != '0' ||
|
|
name[2] != '0' ||
|
|
!std::isdigit(name[3]))
|
|
{
|
|
continue;
|
|
}
|
|
|
|
// 'VulkanDriverName' contains the JSON for the ICD data. Parse
|
|
// this and add to the list. If we encounter an error then
|
|
// quietly drop it.
|
|
try {
|
|
auto const path = device.data<std::string> ("VulkanDriverName");
|
|
auto const text = cruft::slurp<char> (path);
|
|
auto const jobj = json::tree::parse (cruft::view{text});
|
|
auto const data = from_json<icd_t> (*jobj);
|
|
|
|
res.push_back (data);
|
|
} catch (win32::error const&) {
|
|
;
|
|
} catch (std::exception const &e) {
|
|
LOG_WARNING ("error loading Vulkan ICD manifest, %!", e.what ());
|
|
}
|
|
}
|
|
}
|
|
|
|
return res;
|
|
}
|