public void LoadFromLoadInfo(IO.Files.Texture.TextureLoadInfo loadInfo)
{
var totalMips = loadInfo.Layers.Count;
if (loadInfo.GenerateMipMaps)
{
var l2H = (int)Math.Log(loadInfo.Height, 2);
var l2W = (int)Math.Log(loadInfo.Width, 2);
totalMips = Math.Min(l2H, l2W) + 1;
}
var texDesc = new Texture2DDescription
{
ArraySize = 1,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Format = loadInfo.Format,
Height = loadInfo.Height,
Width = loadInfo.Width,
MipLevels = totalMips,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
Usage = loadInfo.Usage
};
if (mTexture != gDefaultTexture)
{
if (mTexture != null)
{
mTexture.Dispose();
}
if (NativeView != null)
{
NativeView.Dispose();
}
}
var boxes = new DataBox[loadInfo.Layers.Count];
var streams = new DataStream[loadInfo.Layers.Count];
try
{
if (!loadInfo.GenerateMipMaps)
{
for (var i = 0; i < loadInfo.Layers.Count; ++i)
{
streams[i] = new DataStream(loadInfo.Layers[i].Length, true, true);
streams[i].WriteRange(loadInfo.Layers[i]);
streams[i].Position = 0;
boxes[i] = new DataBox(streams[i].DataPointer, loadInfo.RowPitchs[i], 0);
}
mTexture = new Texture2D(mContext.Device, texDesc, boxes);
}
else
{
texDesc.Usage = ResourceUsage.Default;
texDesc.OptionFlags |= ResourceOptionFlags.GenerateMipMaps;
texDesc.BindFlags |= BindFlags.RenderTarget;
mTexture = new Texture2D(mContext.Device, texDesc);
mContext.Context.UpdateSubresource(loadInfo.Layers[0], mTexture, 0, loadInfo.RowPitchs[0]);
}
var srvd = new ShaderResourceViewDescription
{
Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Format = loadInfo.Format,
Texture2D = new ShaderResourceViewDescription.Texture2DResource
{
MipLevels = texDesc.MipLevels,
MostDetailedMip = 0
}
};
NativeView = new ShaderResourceView(mContext.Device, mTexture, srvd);
if (loadInfo.GenerateMipMaps)
{
mContext.Context.GenerateMips(NativeView);
}
}
finally
{
foreach (var stream in streams)
{
if (stream != null)
{
stream.Dispose();
}
}
}
}
public void LoadFromLoadInfo(IO.Files.Texture.TextureLoadInfo loadInfo)
{
var texDesc = new Texture2DDescription
{
ArraySize = 1,
BindFlags = BindFlags.ShaderResource,
CpuAccessFlags = CpuAccessFlags.None,
Format = loadInfo.Format,
Height = loadInfo.Height,
Width = loadInfo.Width,
MipLevels = loadInfo.Layers.Count,
OptionFlags = ResourceOptionFlags.None,
SampleDescription = new SampleDescription(1, 0),
Usage = ResourceUsage.Default
};
if (mTexture != gDefaultTexture)
{
if (mTexture != null)
{
mTexture.Dispose();
}
if (NativeView != null)
{
NativeView.Dispose();
}
}
var boxes = new DataBox[texDesc.MipLevels];
var streams = new DataStream[texDesc.MipLevels];
try
{
for (var i = 0; i < texDesc.MipLevels; ++i)
{
streams[i] = new DataStream(loadInfo.Layers[i].Length, true, true);
streams[i].WriteRange(loadInfo.Layers[i]);
streams[i].Position = 0;
boxes[i] = new DataBox(streams[i].DataPointer, loadInfo.RowPitchs[i], 0);
}
mTexture = new Texture2D(mContext.Device, texDesc, boxes);
var srvd = new ShaderResourceViewDescription
{
Dimension = SharpDX.Direct3D.ShaderResourceViewDimension.Texture2D,
Format = loadInfo.Format,
Texture2D = new ShaderResourceViewDescription.Texture2DResource {
MipLevels = boxes.Length, MostDetailedMip = 0
}
};
NativeView = new ShaderResourceView(mContext.Device, mTexture, srvd);
}
finally
{
foreach (var stream in streams)
{
if (stream != null)
{
stream.Dispose();
}
}
}
}
