flycast/core/rend/dx11/dx11context_lr.cpp

82 lines
2.3 KiB
C++

/*
Copyright 2021 flyinghead
This file is part of Flycast.
Flycast is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 2 of the License, or
(at your option) any later version.
Flycast is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with Flycast. If not, see <https://www.gnu.org/licenses/>.
*/
#ifdef HAVE_D3D11
#include "dx11context_lr.h"
#include <dxgi1_2.h>
#include "rend/osd.h"
DX11Context theDX11Context;
bool DX11Context::init(ID3D11Device *device, ID3D11DeviceContext *deviceContext, pD3DCompile D3DCompile, D3D_FEATURE_LEVEL featureLevel)
{
NOTICE_LOG(RENDERER, "DX11 Context initializing");
device->AddRef();
pDevice.reset(device);
deviceContext->AddRef();
pDeviceContext.reset(deviceContext);
this->D3DCompile = D3DCompile;
this->featureLevel = featureLevel;
GraphicsContext::instance = this;
ComPtr<IDXGIDevice2> dxgiDevice;
pDevice.as(dxgiDevice);
ComPtr<IDXGIAdapter> dxgiAdapter;
dxgiDevice->GetAdapter(&dxgiAdapter.get());
DXGI_ADAPTER_DESC desc;
dxgiAdapter->GetDesc(&desc);
vendorId = desc.VendorId;
D3D11_FEATURE_DATA_SHADER_CACHE cacheSupport{};
if (SUCCEEDED(pDevice->CheckFeatureSupport(D3D11_FEATURE_SHADER_CACHE, &cacheSupport, (UINT)sizeof(cacheSupport))))
{
_hasShaderCache = cacheSupport.SupportFlags & D3D11_SHADER_CACHE_SUPPORT_AUTOMATIC_DISK_CACHE;
if (!_hasShaderCache)
NOTICE_LOG(RENDERER, "No system-provided shader cache");
}
shaders.init(pDevice, D3DCompile);
overlay.init(pDevice, pDeviceContext, &shaders, &samplers);
return true;
}
void DX11Context::term()
{
NOTICE_LOG(RENDERER, "DX11 Context terminating");
GraphicsContext::instance = nullptr;
overlay.term();
samplers.term();
shaders.term();
if (pDeviceContext)
{
pDeviceContext->ClearState();
pDeviceContext->Flush();
}
pDeviceContext.reset();
pDevice.reset();
NOTICE_LOG(RENDERER, "DX11 Context terminated");
}
void DX11Context::drawOverlay(int width, int height)
{
overlay.draw(width, height, true, true);
}
#endif