/// <summary>
/// Initializes a new instance of the <see cref="SamplerStateFactory"/> class.
/// </summary>
/// <param name="device">The device.</param>
internal SamplerStateFactory(GraphicsDevice device) : base(device)
{
PointWrap = SamplerState.New(device, new SamplerStateDescription(TextureFilter.Point, TextureAddressMode.Wrap)).DisposeBy(this);
PointWrap.Name = "SamplerState.PointWrap";
PointClamp = SamplerState.New(device, new SamplerStateDescription(TextureFilter.Point, TextureAddressMode.Clamp)).DisposeBy(this);
PointClamp.Name = "SamplerState.PointClamp";
LinearWrap = SamplerState.New(device, new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Wrap)).DisposeBy(this);
LinearWrap.Name = "SamplerState.LinearWrap";
LinearClamp = SamplerState.New(device, new SamplerStateDescription(TextureFilter.Linear, TextureAddressMode.Clamp)).DisposeBy(this);
LinearClamp.Name = "SamplerState.LinearClamp";
AnisotropicWrap = SamplerState.New(device, new SamplerStateDescription(TextureFilter.Anisotropic, TextureAddressMode.Wrap)).DisposeBy(this);
AnisotropicWrap.Name = "SamplerState.AnisotropicWrap";
AnisotropicClamp = SamplerState.New(device, new SamplerStateDescription(TextureFilter.Anisotropic, TextureAddressMode.Clamp)).DisposeBy(this);
AnisotropicClamp.Name = "SamplerState.AnisotropicClamp";
}
public static EffectDescriptorSetReflection New(GraphicsDevice graphicsDevice, EffectBytecode effectBytecode, List <string> effectDescriptorSetSlots, string defaultSetSlot)
{
// Find resource groups
// TODO: We should precompute most of that at compile time in BytecodeReflection
// just waiting for format to be more stable
var descriptorSetLayouts = new EffectDescriptorSetReflection {
DefaultSetSlot = defaultSetSlot
};
foreach (var effectDescriptorSetSlot in effectDescriptorSetSlots)
{
// Find all resources related to this slot name
// NOTE: Ordering is mirrored by GLSL layout in Vulkan
var descriptorSetLayoutBuilder = new DescriptorSetLayoutBuilder();
bool hasBindings = false;
foreach (var resourceBinding in effectBytecode.Reflection.ResourceBindings
.Where(x => x.ResourceGroup == effectDescriptorSetSlot || (effectDescriptorSetSlot == defaultSetSlot && (x.ResourceGroup == null || x.ResourceGroup == "Globals")))
.GroupBy(x => new { Key = x.KeyInfo.Key, Class = x.Class, Type = x.Type, ElementType = x.ElementType.Type, SlotCount = x.SlotCount, LogicalGroup = x.LogicalGroup })
.OrderBy(x => x.Key.Class == EffectParameterClass.ConstantBuffer ? 0 : 1)) // Note: Putting cbuffer first for now
{
SamplerState samplerState = null;
if (resourceBinding.Key.Class == EffectParameterClass.Sampler)
{
var matchingSamplerState = effectBytecode.Reflection.SamplerStates.FirstOrDefault(x => x.Key == resourceBinding.Key.Key);
if (matchingSamplerState != null)
{
samplerState = SamplerState.New(graphicsDevice, matchingSamplerState.Description);
}
}
hasBindings = true;
descriptorSetLayoutBuilder.AddBinding(resourceBinding.Key.Key, resourceBinding.Key.LogicalGroup, resourceBinding.Key.Class, resourceBinding.Key.Type, resourceBinding.Key.ElementType, resourceBinding.Key.SlotCount, samplerState);
}
descriptorSetLayouts.AddLayout(effectDescriptorSetSlot, hasBindings ? descriptorSetLayoutBuilder : null);
}
return(descriptorSetLayouts);
}
