internal override TextureView GetShaderResourceView(Format viewFormat, ViewType viewType, int arrayOrDepthSlice, int mipIndex)
{
if ((this.Description.BindFlags & BindFlags.ShaderResource) == 0)
{
return(null);
}
int arrayCount;
int mipCount;
GetViewSliceBounds(viewType, ref arrayOrDepthSlice, ref mipIndex, out arrayCount, out mipCount);
var textureViewKey = new TextureViewKey(viewFormat, viewType, arrayOrDepthSlice, mipIndex);
lock (this.shaderResourceViews)
{
TextureView srv;
// Creates the shader resource view
if (!shaderResourceViews.TryGetValue(textureViewKey, out srv))
{
// Create the view
var srvDescription = new ShaderResourceViewDescription()
{
Format = this.Description.Format
};
// Initialize for texture arrays or texture cube
if (this.Description.ArraySize > 1)
{
// Else regular Texture1D
srvDescription.Dimension = ShaderResourceViewDimension.Texture1DArray;
srvDescription.Texture1DArray.ArraySize = arrayCount;
srvDescription.Texture1DArray.FirstArraySlice = arrayOrDepthSlice;
srvDescription.Texture1DArray.MipLevels = mipCount;
srvDescription.Texture1DArray.MostDetailedMip = mipIndex;
}
else
{
srvDescription.Dimension = ShaderResourceViewDimension.Texture1D;
srvDescription.Texture1D.MipLevels = mipCount;
srvDescription.Texture1D.MostDetailedMip = mipIndex;
}
srv = new TextureView(this, new ShaderResourceView(this.GraphicsDevice, this.Resource, srvDescription));
this.shaderResourceViews.Add(textureViewKey, ToDispose(srv));
}
return(srv);
}
}
internal override TextureView GetShaderResourceView(Format viewFormat, ViewType viewType, int arrayOrDepthSlice, int mipIndex)
{
if ((Description.BindFlags & BindFlags.ShaderResource) == 0)
{
return(null);
}
int arrayCount;
int mipCount;
GetViewSliceBounds(viewType, ref arrayOrDepthSlice, ref mipIndex, out arrayCount, out mipCount);
var textureViewKey = new TextureViewKey(viewFormat, viewType, arrayOrDepthSlice, mipIndex);
lock (shaderResourceViews)
{
TextureView srv;
// Creates the shader resource view
if (!shaderResourceViews.TryGetValue(textureViewKey, out srv))
{
// Create the view
var srvDescription = new ShaderResourceViewDescription
{
Format = viewFormat,
Dimension = ShaderResourceViewDimension.Texture3D,
Texture3D =
{
MipLevels = mipCount,
MostDetailedMip = mipIndex
}
};
srv = new TextureView(this, new ShaderResourceView(Device, Resource, srvDescription));
shaderResourceViews.Add(textureViewKey, ToDispose(srv));
}
return(srv);
}
}
internal override TextureView GetShaderResourceView(Format viewFormat, ViewType viewType, int arrayOrDepthSlice, int mipIndex)
{
if ((this.Description.BindFlags & BindFlags.ShaderResource) == 0)
return null;
int arrayCount;
int mipCount;
GetViewSliceBounds(viewType, ref arrayOrDepthSlice, ref mipIndex, out arrayCount, out mipCount);
var textureViewKey = new TextureViewKey(viewFormat, viewType, arrayOrDepthSlice, mipIndex);
lock (this.shaderResourceViews)
{
TextureView srv;
// Creates the shader resource view
if (!shaderResourceViews.TryGetValue(textureViewKey, out srv))
{
// Create the view
var srvDescription = new ShaderResourceViewDescription() { Format = this.Description.Format };
// Initialize for texture arrays or texture cube
if (this.Description.ArraySize > 1)
{
// Else regular Texture1D
srvDescription.Dimension = ShaderResourceViewDimension.Texture1DArray;
srvDescription.Texture1DArray.ArraySize = arrayCount;
srvDescription.Texture1DArray.FirstArraySlice = arrayOrDepthSlice;
srvDescription.Texture1DArray.MipLevels = mipCount;
srvDescription.Texture1DArray.MostDetailedMip = mipIndex;
}
else
{
srvDescription.Dimension = ShaderResourceViewDimension.Texture1D;
srvDescription.Texture1D.MipLevels = mipCount;
srvDescription.Texture1D.MostDetailedMip = mipIndex;
}
srv = new TextureView(this, new ShaderResourceView(this.GraphicsDevice, this.Resource, srvDescription));
this.shaderResourceViews.Add(textureViewKey, ToDispose(srv));
}
return srv;
}
}
internal override TextureView GetShaderResourceView(Format viewFormat, ViewType viewType, int arrayOrDepthSlice, int mipIndex)
{
if ((this.Description.BindFlags & BindFlags.ShaderResource) == 0)
return null;
int arrayCount;
int mipCount;
GetViewSliceBounds(viewType, ref arrayOrDepthSlice, ref mipIndex, out arrayCount, out mipCount);
var textureViewKey = new TextureViewKey(viewFormat, viewType, arrayOrDepthSlice, mipIndex);
lock (this.shaderResourceViews)
{
TextureView srv;
// Creates the shader resource view
if (!shaderResourceViews.TryGetValue(textureViewKey, out srv))
{
// Create the view
var srvDescription = new ShaderResourceViewDescription {
Format = viewFormat,
Dimension = ShaderResourceViewDimension.Texture3D,
Texture3D = {
MipLevels = mipCount,
MostDetailedMip = mipIndex
}
};
srv = new TextureView(this, new ShaderResourceView(this.GraphicsDevice, this.Resource, srvDescription));
this.shaderResourceViews.Add(textureViewKey, ToDispose(srv));
}
return srv;
}
}
internal override TextureView GetShaderResourceView(Format viewFormat, ViewType viewType, int arrayOrDepthSlice, int mipIndex)
{
if ((Description.BindFlags & BindFlags.ShaderResource) == 0)
{
return(null);
}
int arrayCount;
int mipCount;
GetViewSliceBounds(viewType, ref arrayOrDepthSlice, ref mipIndex, out arrayCount, out mipCount);
var textureViewKey = new TextureViewKey(viewFormat, viewType, arrayOrDepthSlice, mipIndex);
lock (shaderResourceViews)
{
TextureView srv;
// Creates the shader resource view
if (!shaderResourceViews.TryGetValue(textureViewKey, out srv))
{
// Create the view
var srvDescription = new ShaderResourceViewDescription {
Format = viewFormat
};
// Initialize for texture arrays or texture cube
if (Description.ArraySize > 1)
{
// If texture cube
if ((Description.OptionFlags & ResourceOptionFlags.TextureCube) != 0)
{
srvDescription.Dimension = ShaderResourceViewDimension.TextureCube;
srvDescription.TextureCube.MipLevels = mipCount;
srvDescription.TextureCube.MostDetailedMip = mipIndex;
}
else
{
// Else regular Texture2D
srvDescription.Dimension = Description.SampleDescription.Count > 1 ? ShaderResourceViewDimension.Texture2DMultisampledArray : ShaderResourceViewDimension.Texture2DArray;
// Multisample?
if (Description.SampleDescription.Count > 1)
{
srvDescription.Texture2DMSArray.ArraySize = arrayCount;
srvDescription.Texture2DMSArray.FirstArraySlice = arrayOrDepthSlice;
}
else
{
srvDescription.Texture2DArray.ArraySize = arrayCount;
srvDescription.Texture2DArray.FirstArraySlice = arrayOrDepthSlice;
srvDescription.Texture2DArray.MipLevels = mipCount;
srvDescription.Texture2DArray.MostDetailedMip = mipIndex;
}
}
}
else
{
srvDescription.Dimension = Description.SampleDescription.Count > 1 ? ShaderResourceViewDimension.Texture2DMultisampled : ShaderResourceViewDimension.Texture2D;
if (Description.SampleDescription.Count <= 1)
{
srvDescription.Texture2D.MipLevels = mipCount;
srvDescription.Texture2D.MostDetailedMip = mipIndex;
}
}
srv = new TextureView(this, new ShaderResourceView(Device, Resource, srvDescription));
shaderResourceViews.Add(textureViewKey, ToDispose(srv));
}
return(srv);
}
}
