RetroArch/gfx/common/d3d10_common.c
aliaspider a5bf9d8dc6 (D3D10/11/12)
.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.
2018-01-23 18:04:55 +01:00

129 lines
3.9 KiB
C

/* RetroArch - A frontend for libretro.
* Copyright (C) 2014-2018 - Ali Bouhlel
*
* RetroArch 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 Found-
* ation, either version 3 of the License, or (at your option) any later version.
*
* RetroArch 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 RetroArch.
* If not, see <http://www.gnu.org/licenses/>.
*/
#include "d3d10_common.h"
#include <dynamic/dylib.h>
static dylib_t d3d10_dll;
typedef HRESULT (WINAPI *PFN_D3D10_CREATE_DEVICE_AND_SWAP_CHAIN)(
IDXGIAdapter *pAdapter,
D3D10_DRIVER_TYPE DriverType,
HMODULE Software,
UINT Flags,
UINT SDKVersion,
DXGI_SWAP_CHAIN_DESC *pSwapChainDesc,
IDXGISwapChain **ppSwapChain,
ID3D10Device **ppDevice);
HRESULT WINAPI D3D10CreateDeviceAndSwapChain(
IDXGIAdapter *pAdapter,
D3D10_DRIVER_TYPE DriverType,
HMODULE Software,
UINT Flags,
UINT SDKVersion,
DXGI_SWAP_CHAIN_DESC *pSwapChainDesc,
IDXGISwapChain **ppSwapChain,
ID3D10Device **ppDevice)
{
static PFN_D3D10_CREATE_DEVICE_AND_SWAP_CHAIN fp;
if(!d3d10_dll)
d3d10_dll = dylib_load("d3d10.dll");
if(!d3d10_dll)
return TYPE_E_CANTLOADLIBRARY;
if(!fp)
fp = (PFN_D3D10_CREATE_DEVICE_AND_SWAP_CHAIN)dylib_proc(d3d10_dll, "D3D10CreateDeviceAndSwapChain");
if(!fp)
return TYPE_E_CANTLOADLIBRARY;
return fp(pAdapter,DriverType,Software, Flags, SDKVersion, pSwapChainDesc, ppSwapChain, ppDevice);
}
void d3d10_init_texture(D3D10Device device, d3d10_texture_t* texture)
{
Release(texture->handle);
Release(texture->staging);
Release(texture->view);
// .Usage = D3D10_USAGE_DYNAMIC,
// .CPUAccessFlags = D3D10_CPU_ACCESS_WRITE,
texture->desc.MipLevels = 1;
texture->desc.ArraySize = 1;
texture->desc.SampleDesc.Count = 1;
texture->desc.SampleDesc.Quality = 0;
texture->desc.BindFlags = D3D10_BIND_SHADER_RESOURCE;
texture->desc.CPUAccessFlags = 0;
texture->desc.MiscFlags = 0;
D3D10CreateTexture2D(device, &texture->desc, NULL, &texture->handle);
{
D3D10_SHADER_RESOURCE_VIEW_DESC view_desc =
{
.Format = texture->desc.Format,
.ViewDimension = D3D_SRV_DIMENSION_TEXTURE2D,
.Texture2D.MostDetailedMip = 0,
.Texture2D.MipLevels = -1,
};
D3D10CreateTexture2DShaderResourceView(device, texture->handle, &view_desc, &texture->view);
}
{
D3D10_TEXTURE2D_DESC desc = texture->desc;
desc.BindFlags = 0;
desc.Usage = D3D10_USAGE_STAGING;
desc.CPUAccessFlags = D3D10_CPU_ACCESS_WRITE;
D3D10CreateTexture2D(device, &desc, NULL, &texture->staging);
}
}
void d3d10_update_texture(int width, int height, int pitch, DXGI_FORMAT format, const void* data, d3d10_texture_t* texture)
{
D3D10_MAPPED_TEXTURE2D mapped_texture;
D3D10MapTexture2D(texture->staging, 0, D3D10_MAP_WRITE, 0, &mapped_texture);
dxgi_copy(width, height, format, pitch, data, texture->desc.Format, mapped_texture.RowPitch, mapped_texture.pData);
D3D10UnmapTexture2D(texture->staging, 0);
if(texture->desc.Usage == D3D10_USAGE_DEFAULT)
texture->dirty = true;
}
DXGI_FORMAT d3d10_get_closest_match(D3D10Device device, DXGI_FORMAT desired_format, UINT desired_format_support)
{
DXGI_FORMAT* format = dxgi_get_format_fallback_list(desired_format);
UINT format_support;
while(*format != DXGI_FORMAT_UNKNOWN)
{
if(SUCCEEDED(D3D10CheckFormatSupport(device, *format, &format_support))
&& ((format_support & desired_format_support) == desired_format_support))
break;
format++;
}
assert(*format);
return *format;
}