mirror of
https://github.com/libretro/RetroArch
synced 2025-02-06 09:40:06 +00:00
a5bf9d8dc6
.add a d3d10 driver. .add more utility functions to d3d*_common files. .add an image transfer/convert function to dxgi_common. .various refactors / style nits.
112 lines
3.8 KiB
C
112 lines
3.8 KiB
C
/* RetroArch - A frontend for libretro.
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* Copyright (C) 2014-2018 - Ali Bouhlel
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*
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* RetroArch is free software: you can redistribute it and/or modify it under the terms
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* of the GNU General Public License as published by the Free Software Found-
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* ation, either version 3 of the License, or (at your option) any later version.
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*
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* RetroArch is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
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* without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
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* PURPOSE. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License along with RetroArch.
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* If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "d3d11_common.h"
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#include <dynamic/dylib.h>
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static dylib_t d3d11_dll;
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HRESULT WINAPI D3D11CreateDeviceAndSwapChain( IDXGIAdapter* pAdapter,D3D_DRIVER_TYPE DriverType, HMODULE Software, UINT Flags,
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CONST D3D_FEATURE_LEVEL* pFeatureLevels, UINT FeatureLevels, UINT SDKVersion, CONST DXGI_SWAP_CHAIN_DESC* pSwapChainDesc,
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IDXGISwapChain** ppSwapChain, ID3D11Device** ppDevice, D3D_FEATURE_LEVEL* pFeatureLevel, ID3D11DeviceContext** ppImmediateContext)
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{
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static PFN_D3D11_CREATE_DEVICE_AND_SWAP_CHAIN fp;
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if(!d3d11_dll)
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d3d11_dll = dylib_load("d3d11.dll");
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if(!d3d11_dll)
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return TYPE_E_CANTLOADLIBRARY;
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if(!fp)
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fp = (PFN_D3D11_CREATE_DEVICE_AND_SWAP_CHAIN)dylib_proc(d3d11_dll, "D3D11CreateDeviceAndSwapChain");
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if(!fp)
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return TYPE_E_CANTLOADLIBRARY;
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return fp(pAdapter,DriverType,Software, Flags,pFeatureLevels, FeatureLevels, SDKVersion, pSwapChainDesc,
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ppSwapChain, ppDevice, pFeatureLevel, ppImmediateContext);
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}
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void d3d11_init_texture(D3D11Device device, d3d11_texture_t* texture)
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{
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Release(texture->handle);
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Release(texture->staging);
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Release(texture->view);
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// .Usage = D3D11_USAGE_DYNAMIC,
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// .CPUAccessFlags = D3D11_CPU_ACCESS_WRITE,
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texture->desc.MipLevels = 1;
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texture->desc.ArraySize = 1;
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texture->desc.SampleDesc.Count = 1;
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texture->desc.SampleDesc.Quality = 0;
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texture->desc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
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texture->desc.CPUAccessFlags = 0;
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texture->desc.MiscFlags = 0;
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D3D11CreateTexture2D(device, &texture->desc, NULL, &texture->handle);
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{
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D3D11_SHADER_RESOURCE_VIEW_DESC view_desc =
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{
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.Format = texture->desc.Format,
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.ViewDimension = D3D_SRV_DIMENSION_TEXTURE2D,
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.Texture2D.MostDetailedMip = 0,
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.Texture2D.MipLevels = -1,
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};
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D3D11CreateTexture2DShaderResourceView(device, texture->handle, &view_desc, &texture->view);
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}
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{
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D3D11_TEXTURE2D_DESC desc = texture->desc;
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desc.BindFlags = 0;
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desc.Usage = D3D11_USAGE_STAGING;
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desc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE;
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D3D11CreateTexture2D(device, &desc, NULL, &texture->staging);
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}
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}
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void d3d11_update_texture(D3D11DeviceContext ctx, int width, int height, int pitch, DXGI_FORMAT format, const void* data, d3d11_texture_t* texture)
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{
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D3D11_MAPPED_SUBRESOURCE mapped_texture;
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D3D11MapTexture2D(ctx, texture->staging, 0, D3D11_MAP_WRITE, 0, &mapped_texture);
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dxgi_copy(width, height, format, pitch, data, texture->desc.Format, mapped_texture.RowPitch, mapped_texture.pData);
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D3D11UnmapTexture2D(ctx, texture->staging, 0);
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if(texture->desc.Usage == D3D11_USAGE_DEFAULT)
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texture->dirty = true;
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}
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DXGI_FORMAT d3d11_get_closest_match(D3D11Device device, DXGI_FORMAT desired_format, UINT desired_format_support)
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{
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DXGI_FORMAT* format = dxgi_get_format_fallback_list(desired_format);
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UINT format_support;
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while(*format != DXGI_FORMAT_UNKNOWN)
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{
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if(SUCCEEDED(D3D11CheckFormatSupport(device, *format, &format_support))
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&& ((format_support & desired_format_support) == desired_format_support))
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break;
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format++;
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}
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assert(*format);
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return *format;
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}
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