ID3D11ShaderResourceView* CD3DTexture::GetShaderResource(DXGI_FORMAT format /* = DXGI_FORMAT_UNKNOWN */)
{
if (!m_texture)
return nullptr;
if (format == DXGI_FORMAT_UNKNOWN)
format = m_format;
if (!g_Windowing.IsFormatSupport(format, D3D11_FORMAT_SUPPORT_SHADER_SAMPLE)
&& !g_Windowing.IsFormatSupport(format, D3D11_FORMAT_SUPPORT_SHADER_LOAD))
return nullptr;
if (!m_views[format])
{
ID3D11ShaderResourceView* pView = nullptr;
CD3D11_SHADER_RESOURCE_VIEW_DESC cSRVDesc(D3D11_SRV_DIMENSION_TEXTURE2D, format);
HRESULT hr = g_Windowing.Get3D11Device()->CreateShaderResourceView(m_texture, &cSRVDesc, &pView);
if (FAILED(hr))
{
CLog::Log(LOGWARNING, __FUNCTION__ " - cannot create texture view.");
SAFE_RELEASE(pView);
}
else
{
m_views.insert_or_assign(format, pView);
}
}
return m_views[format];
}
ID3D11ShaderResourceView* CD3DTexture::GetShaderResource()
{
if (!m_texture)
return nullptr;
if (!m_textureView)
{
CD3D11_SHADER_RESOURCE_VIEW_DESC cSRVDesc(D3D11_SRV_DIMENSION_TEXTURE2D);
HRESULT hr = g_Windowing.Get3D11Device()->CreateShaderResourceView(m_texture, &cSRVDesc, &m_textureView);
if (FAILED(hr))
{
CLog::Log(LOGWARNING, __FUNCTION__ " - cannot create texture view.");
SAFE_RELEASE(m_textureView);
}
}
return m_textureView;
}
