//------------------------------------------------------------------------------------
D3D11Texture::D3D11Texture(const StringVector& vecTexNames, bool bSRGB)
: Texture(eTextureType_TextureArray, 0, 0, 0, ePF_Unknown, 0, true)
, m_pTexture2D(nullptr)
, m_pTexture3D(nullptr)
, m_pRTV(nullptr)
, m_pSRV(nullptr)
, m_pDSV(nullptr)
, m_pTexStaging(nullptr)
{
_AST(!vecTexNames.empty());
HRESULT hr = S_OK;
// First load all texture elements
std::vector<ID3D11Texture2D*> vecTexs(vecTexNames.size());
for (size_t i=0; i<vecTexNames.size(); ++i)
{
D3DX11_IMAGE_LOAD_INFO loadInfo;
loadInfo.Width = D3DX11_FROM_FILE;
loadInfo.Height = D3DX11_FROM_FILE;
loadInfo.Depth = D3DX11_FROM_FILE;
loadInfo.FirstMipLevel = 0;
loadInfo.BindFlags = 0;
loadInfo.Usage = D3D11_USAGE_STAGING; // Local res
loadInfo.MipLevels = 0;
loadInfo.CpuAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
loadInfo.MiscFlags = 0;
loadInfo.Format = DXGI_FORMAT_FROM_FILE;
loadInfo.Filter = D3DX11_FILTER_NONE;
loadInfo.MipFilter = D3DX11_FILTER_LINEAR;
loadInfo.pSrcInfo = 0;
if (vecTexNames[i].find(".dds") != STRING::npos)
{
V(DirectX::CreateDDSTextureFromFileEx(g_pRenderSys->GetDevice(), EngineToUnicode(vecTexNames[i]).c_str(),
4096, D3D11_USAGE_STAGING, 0, D3D11_CPU_ACCESS_READ, 0, bSRGB, (ID3D11Resource**)&vecTexs[i], nullptr));
}
else
{
V(D3DX11CreateTextureFromFileA(g_pRenderSys->GetDevice(), vecTexNames[i].c_str(),
&loadInfo, nullptr, (ID3D11Resource**)&vecTexs[i], nullptr));
}
}
// Then create the texture array object
D3D11_TEXTURE2D_DESC texElementDesc;
vecTexs[0]->GetDesc(&texElementDesc);
// Store dimension and format
m_width = texElementDesc.Width;
m_height = texElementDesc.Height;
m_texFormat = ConvertFromDXFormat(texElementDesc.Format);
D3D11_TEXTURE2D_DESC texArrayDesc;
texArrayDesc.Width = texElementDesc.Width;
texArrayDesc.Height = texElementDesc.Height;
texArrayDesc.MipLevels = texElementDesc.MipLevels;
texArrayDesc.ArraySize = vecTexs.size();
texArrayDesc.Format = texElementDesc.Format;
texArrayDesc.SampleDesc.Count = 1;
texArrayDesc.SampleDesc.Quality = 0;
texArrayDesc.Usage = D3D11_USAGE_DEFAULT;
texArrayDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
texArrayDesc.CPUAccessFlags = 0;
texArrayDesc.MiscFlags = 0;
V(g_pRenderSys->GetDevice()->CreateTexture2D(&texArrayDesc, 0, &m_pTexture2D));
// Fill texture array data
ID3D11DeviceContext* dc = g_pRenderSys->GetDeviceContext();
for(size_t texElement=0; texElement<vecTexs.size(); ++texElement)
{
vecTexs[texElement]->GetDesc(&texElementDesc);
for(UINT mipLevel = 0; mipLevel < texElementDesc.MipLevels; ++mipLevel)
{
D3D11_MAPPED_SUBRESOURCE mappedTex2D;
V(dc->Map(vecTexs[texElement], mipLevel, D3D11_MAP_READ, 0, &mappedTex2D));
dc->UpdateSubresource(m_pTexture2D,
D3D11CalcSubresource(mipLevel, texElement, texElementDesc.MipLevels),
0, mappedTex2D.pData, mappedTex2D.RowPitch, mappedTex2D.DepthPitch);
dc->Unmap(vecTexs[texElement], mipLevel);
}
}
CreateSRV();
for(size_t i=0; i<vecTexs.size(); ++i)
vecTexs[i]->Release();
}
//------------------------------------------------------------------------------------
D3D11Texture::D3D11Texture( const StringVector& vecTexNames )
:m_pTexture2D(nullptr)
,m_pTexture3D(nullptr)
,m_pRenderSystem(g_env.pRenderSystem)
,m_rtView(nullptr)
,m_pSRV(nullptr)
,m_pDSV(nullptr)
,m_usage(0)
,m_texType(eTextureType_TextureArray)
,m_bMipMap(true)
{
m_pd3dDevice = m_pRenderSystem->GetDevice();
if (m_pd3dDevice)
m_pd3dDevice->AddRef();
assert(!vecTexNames.empty());
HRESULT hr = S_OK;
// First load all texture elements
std::vector<ID3D11Texture2D*> vecTexs(vecTexNames.size());
for (size_t i=0; i<vecTexNames.size(); ++i)
{
D3DX11_IMAGE_LOAD_INFO loadInfo;
loadInfo.Width = D3DX11_FROM_FILE;
loadInfo.Height = D3DX11_FROM_FILE;
loadInfo.Depth = D3DX11_FROM_FILE;
loadInfo.FirstMipLevel = 0;
loadInfo.BindFlags = 0;
loadInfo.Usage = D3D11_USAGE_STAGING; // Local res
loadInfo.MipLevels = 0;
loadInfo.CpuAccessFlags = D3D11_CPU_ACCESS_WRITE | D3D11_CPU_ACCESS_READ;
loadInfo.MiscFlags = 0;
loadInfo.Format = DXGI_FORMAT_FROM_FILE;
loadInfo.Filter = D3DX11_FILTER_NONE;
loadInfo.MipFilter = D3DX11_FILTER_LINEAR;
loadInfo.pSrcInfo = 0;
V(D3DX11CreateTextureFromFileA(m_pRenderSystem->GetDevice(), vecTexNames[i].c_str(),
&loadInfo, nullptr, (ID3D11Resource**)&vecTexs[i], nullptr));
}
// Then create the texture array object
D3D11_TEXTURE2D_DESC texElementDesc;
vecTexs[0]->GetDesc(&texElementDesc);
// Store dimension and format
m_width = texElementDesc.Width;
m_height = texElementDesc.Height;
m_texFormat = ConvertFromDXFormat(texElementDesc.Format);
D3D11_TEXTURE2D_DESC texArrayDesc;
texArrayDesc.Width = texElementDesc.Width;
texArrayDesc.Height = texElementDesc.Height;
texArrayDesc.MipLevels = texElementDesc.MipLevels;
texArrayDesc.ArraySize = vecTexs.size();
texArrayDesc.Format = texElementDesc.Format;
texArrayDesc.SampleDesc.Count = 1;
texArrayDesc.SampleDesc.Quality = 0;
texArrayDesc.Usage = D3D11_USAGE_DEFAULT;
texArrayDesc.BindFlags = D3D11_BIND_SHADER_RESOURCE;
texArrayDesc.CPUAccessFlags = 0;
texArrayDesc.MiscFlags = 0;
V(m_pRenderSystem->GetDevice()->CreateTexture2D( &texArrayDesc, 0, &m_pTexture2D));
// Fill texture array data
ID3D11DeviceContext* dc = m_pRenderSystem->GetDeviceContext();
for(size_t texElement=0; texElement<vecTexs.size(); ++texElement)
{
for(UINT mipLevel = 0; mipLevel < texElementDesc.MipLevels; ++mipLevel)
{
D3D11_MAPPED_SUBRESOURCE mappedTex2D;
V(dc->Map(vecTexs[texElement], mipLevel, D3D11_MAP_READ, 0, &mappedTex2D));
dc->UpdateSubresource(m_pTexture2D,
D3D11CalcSubresource(mipLevel, texElement, texElementDesc.MipLevels),
0, mappedTex2D.pData, mappedTex2D.RowPitch, mappedTex2D.DepthPitch);
dc->Unmap(vecTexs[texElement], mipLevel);
}
}
CreateSRV();
for(size_t i=0; i<vecTexs.size(); ++i)
vecTexs[i]->Release();
}