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Use wgpu instance extras to select the backend

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This commit is contained in:
Nikita Lisitsa 2024-05-18 21:41:09 +03:00
parent fffd2c70e6
commit cae25f4719
2 changed files with 22 additions and 6 deletions
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6
libs/sdl2/source/window.cpp
View file

@ -81,11 +81,7 @@ namespace psemek::sdl2
wgpu::adapter::request_options adapter_request_options;
adapter_request_options.compatible_surface = wgpu_surface_;
#if defined(_WIN32)
adapter_request_options.backend_type = wgpu::backend_type::d3d12;
#else
adapter_request_options.backend_type = wgpu::backend_type::vulkan;
#endif
adapter_request_options.backend_type = wgpu::backend_type::undefined;
instance.request_adapter(adapter_request_options, [this](wgpu::adapter::request_status status, wgpu::adapter adapter_in, std::string const & message)
{

22
libs/wgpu/source/instance.cpp
View file

@ -1,13 +1,33 @@
#include <psemek/wgpu/instance.hpp>
#include <psemek/wgpu/external/webgpu.h>
#include <psemek/wgpu/external/wgpu.h>
namespace psemek::wgpu
{
namespace
{
struct extras
{};
detail::chained_struct_ptr to_chained_struct(extras const &)
{
WGPUInstanceExtras chained = {};
chained.chain.sType = (WGPUSType)WGPUSType_InstanceExtras;
chained.backends = WGPUInstanceBackend_Primary;
return detail::make_chained_struct(chained);
}
}
instance instance::create(descriptor const & desc)
{
std::vector<chained_struct> chain = desc.chain;
chain.push_back(extras{});
WGPUInstanceDescriptor descriptor = {};
descriptor.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(desc.chain);
descriptor.nextInChain = (WGPUChainedStruct const *)detail::fill_chain(chain);
return instance(wgpuCreateInstance(&descriptor));
}