psemek/libs/wgpu/source/instance.cpp
2023-12-30 16:50:44 +03:00

57 lines
1.9 KiB
C++

#include <psemek/wgpu/instance.hpp>
#include <psemek/wgpu/external/webgpu.h>
namespace psemek::wgpu
{
instance instance::create(descriptor const & desc)
{
WGPUInstanceDescriptor descriptor = {};
descriptor.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(desc.chain);
return instance(wgpuCreateInstance(&descriptor));
}
void instance::process_events()
{
wgpuInstanceProcessEvents((WGPUInstance)get());
}
surface instance::create_surface(surface::descriptor const & desc) const
{
WGPUSurfaceDescriptor descriptor = {};
descriptor.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(desc.chain);
descriptor.label = desc.label.data();
return surface{wgpuInstanceCreateSurface((WGPUInstance)get(), &descriptor)};
}
void instance::request_adapter(adapter::request_options const & request_options, adapter::request_callback callback)
{
WGPURequestAdapterOptions options;
options.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(request_options.chain);
options.compatibleSurface = (WGPUSurface)request_options.compatible_surface.get();
options.powerPreference = (WGPUPowerPreference)request_options.power_preference;
options.backendType = (WGPUBackendType)request_options.backend_type;
options.forceFallbackAdapter = request_options.force_fallback_adapter;
auto userdata = new adapter::request_callback(callback);
auto real_callback = [](WGPURequestAdapterStatus status, WGPUAdapter adapter, char const * message, void * userdata)
{
std::unique_ptr<adapter::request_callback> callback{(adapter::request_callback *)userdata};
if (*callback) (*callback)(adapter::request_status{status}, wgpu::adapter(adapter), message ? message : "");
};
wgpuInstanceRequestAdapter((WGPUInstance)get(), &options, real_callback, userdata);
}
void instance::reference(void * ptr)
{
wgpuInstanceReference((WGPUInstance)ptr);
}
void instance::release(void * ptr)
{
wgpuInstanceRelease((WGPUInstance)ptr);
}
}