obs-studio/libobs-d3d11/d3d11-stagesurf.cpp

69 lines
2.2 KiB
C++

/******************************************************************************
Copyright (C) 2013 by Hugh Bailey <obs.jim@gmail.com>
This program 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.
This program 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 this program. If not, see <http://www.gnu.org/licenses/>.
******************************************************************************/
#include "d3d11-subsystem.hpp"
gs_stage_surface::gs_stage_surface(gs_device_t *device, uint32_t width,
uint32_t height, gs_color_format colorFormat)
: gs_obj(device, gs_type::gs_stage_surface),
width(width),
height(height),
format(colorFormat),
dxgiFormat(ConvertGSTextureFormat(colorFormat))
{
HRESULT hr;
memset(&td, 0, sizeof(td));
td.Width = width;
td.Height = height;
td.MipLevels = 1;
td.ArraySize = 1;
td.Format = dxgiFormat;
td.SampleDesc.Count = 1;
td.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
td.Usage = D3D11_USAGE_STAGING;
hr = device->device->CreateTexture2D(&td, NULL, texture.Assign());
if (FAILED(hr))
throw HRError("Failed to create staging surface", hr);
}
gs_stage_surface::gs_stage_surface(gs_device_t *device, uint32_t width,
uint32_t height)
: gs_obj(device, gs_type::gs_stage_surface),
width(width),
height(height),
format(GS_UNKNOWN),
dxgiFormat(DXGI_FORMAT_NV12)
{
HRESULT hr;
memset(&td, 0, sizeof(td));
td.Width = width;
td.Height = height;
td.MipLevels = 1;
td.ArraySize = 1;
td.Format = dxgiFormat;
td.SampleDesc.Count = 1;
td.CPUAccessFlags = D3D11_CPU_ACCESS_READ;
td.Usage = D3D11_USAGE_STAGING;
hr = device->device->CreateTexture2D(&td, NULL, texture.Assign());
if (FAILED(hr))
throw HRError("Failed to create staging surface", hr);
}