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FrontendCommon: Add GPU enumeration methods to D3D11/Vulkan host displays

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This commit is contained in:
Connor McLaughlin
2020-06-20 03:33:49 +10:00
parent 85edbce3ca
commit 7fce9b102e
4 changed files with 85 additions and 0 deletions
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55
src/frontend-common/d3d11_host_display.cpp
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@ -2,6 +2,7 @@
#include "common/assert.h"
#include "common/d3d11/shader_compiler.h"
#include "common/log.h"
#include "common/string_util.h"
#include "display_ps.hlsl.h"
#include "display_vs.hlsl.h"
#include <array>
@ -477,4 +478,58 @@ void D3D11HostDisplay::RenderSoftwareCursor(s32 left, s32 top, s32 width, s32 he
m_context->Draw(3, 0);
}
std::vector<std::string> D3D11HostDisplay::EnumerateAdapterNames()
{
ComPtr<IDXGIFactory> dxgi_factory;
HRESULT hr = CreateDXGIFactory(IID_PPV_ARGS(dxgi_factory.GetAddressOf()));
if (SUCCEEDED(hr))
{
std::vector<std::string> adapter_names;
ComPtr<IDXGIAdapter> current_adapter;
while (SUCCEEDED(
dxgi_factory->EnumAdapters(static_cast<UINT>(adapter_names.size()), current_adapter.ReleaseAndGetAddressOf())))
{
DXGI_ADAPTER_DESC adapter_desc;
std::string adapter_name;
if (SUCCEEDED(current_adapter->GetDesc(&adapter_desc)))
{
char adapter_name_buffer[128];
const int name_length = WideCharToMultiByte(CP_UTF8, 0, adapter_desc.Description,
static_cast<int>(std::wcslen(adapter_desc.Description)),
adapter_name_buffer, countof(adapter_name_buffer), 0, nullptr);
if (name_length >= 0)
adapter_name.assign(adapter_name_buffer, static_cast<size_t>(name_length));
else
adapter_name.assign("(Unknown)");
}
else
{
adapter_name.assign("(Unknown)");
}
// handle duplicate adapter names
if (std::any_of(adapter_names.begin(), adapter_names.end(),
[&adapter_name](const std::string& other) { return (adapter_name == other); }))
{
std::string original_adapter_name = std::move(adapter_name);
u32 current_extra = 2;
do
{
adapter_name = StringUtil::StdStringFromFormat("%s (%u)", original_adapter_name.c_str(), current_extra);
current_extra++;
} while (std::any_of(adapter_names.begin(), adapter_names.end(),
[&adapter_name](const std::string& other) { return (adapter_name == other); }));
}
adapter_names.push_back(std::move(adapter_name));
}
if (!adapter_names.empty())
return adapter_names;
}
return {"(Default)"};
}
} // namespace FrontendCommon