/// <summary>
/// Function to assign a sampler to a shader on the pipeline.
/// </summary>
/// <param name="shaderType">The type of shader to update.</param>
/// <param name="sampler">The sampler to assign.</param>
/// <param name="index">[Optional] The index of the sampler.</param>
/// <returns>The fluent interface for this builder.</returns>
/// <exception cref="ArgumentOutOfRangeException">Thrown if the <paramref name="index"/> parameter is less than 0, or greater than/equal to <see cref="GorgonSamplerStates.MaximumSamplerStateCount"/>.</exception>
/// <exception cref="NotSupportedException">Thrown if the <paramref name="shaderType"/> is not valid.</exception>
/// <remarks>
/// <para>
/// <see cref="ShaderType.Compute"/> shaders are not supported in this method will throw an exception.
/// </para>
/// </remarks>
public TB SamplerState(ShaderType shaderType, GorgonSamplerState sampler, int index = 0)
{
if ((index < 0) || (index >= GorgonSamplerStates.MaximumSamplerStateCount))
{
throw new ArgumentOutOfRangeException(nameof(index), string.Format(Resources.GORGFX_ERR_INVALID_SAMPLER_INDEX, GorgonSamplerStates.MaximumSamplerStateCount));
}
switch (shaderType)
{
case ShaderType.Pixel:
DrawCall.D3DState.PsSamplers[index] = sampler;
break;
case ShaderType.Vertex:
DrawCall.D3DState.VsSamplers[index] = sampler;
break;
case ShaderType.Geometry:
DrawCall.D3DState.GsSamplers[index] = sampler;
break;
case ShaderType.Domain:
DrawCall.D3DState.DsSamplers[index] = sampler;
break;
case ShaderType.Hull:
DrawCall.D3DState.HsSamplers[index] = sampler;
break;
default:
throw new NotSupportedException(string.Format(Resources.GORGFX_ERR_SHADER_UNKNOWN_TYPE, shaderType));
}
return((TB)this);
}
/// <summary>
/// Function to assign a sampler to a shader on the pipeline.
/// </summary>
/// <param name="sampler">The sampler to assign.</param>
/// <param name="index">[Optional] The index of the sampler.</param>
/// <returns>The fluent interface for this builder.</returns>
/// <exception cref="ArgumentOutOfRangeException">Thrown if the <paramref name="index"/> parameter is less than 0, or greater than/equal to <see cref="GorgonSamplerStates.MaximumSamplerStateCount"/>.</exception>
public GorgonDispatchCallBuilder SamplerState(GorgonSamplerState sampler, int index = 0)
{
if ((index < 0) || (index >= GorgonSamplerStates.MaximumSamplerStateCount))
{
throw new ArgumentOutOfRangeException(nameof(index), string.Format(Resources.GORGFX_ERR_INVALID_SAMPLER_INDEX, GorgonSamplerStates.MaximumSamplerStateCount));
}
_worker.D3DState.CsSamplers[index] = sampler;
return(this);
}
