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using Ryujinx.Graphics.GAL;
using System;
namespace Ryujinx.Graphics.Gpu.Image
{
/// <summary>
/// Cached sampler entry for sampler pools.
/// </summary>
class Sampler : IDisposable
{
/// <summary>
/// Host sampler object.
/// </summary>
public ISampler HostSampler { get; }
/// <summary>
/// Creates a new instance of the cached sampler.
/// </summary>
/// <param name="context">The GPU context the sampler belongs to</param>
/// <param name="descriptor">The Maxwell sampler descriptor</param>
public Sampler(GpuContext context, SamplerDescriptor descriptor)
{
MinFilter minFilter = descriptor.UnpackMinFilter();
MagFilter magFilter = descriptor.UnpackMagFilter();
bool seamlessCubemap = descriptor.UnpackSeamlessCubemap();
AddressMode addressU = descriptor.UnpackAddressU();
AddressMode addressV = descriptor.UnpackAddressV();
AddressMode addressP = descriptor.UnpackAddressP();
CompareMode compareMode = descriptor.UnpackCompareMode();
CompareOp compareOp = descriptor.UnpackCompareOp();
ColorF color = new ColorF(
descriptor.BorderColorR,
descriptor.BorderColorG,
descriptor.BorderColorB,
descriptor.BorderColorA);
float minLod = descriptor.UnpackMinLod();
float maxLod = descriptor.UnpackMaxLod();
float mipLodBias = descriptor.UnpackMipLodBias();
float maxRequestedAnisotropy = GraphicsConfig.MaxAnisotropy >= 0 && GraphicsConfig.MaxAnisotropy <= 16 ? GraphicsConfig.MaxAnisotropy : descriptor.UnpackMaxAnisotropy();
float maxSupportedAnisotropy = context.Capabilities.MaximumSupportedAnisotropy;
if (maxRequestedAnisotropy > maxSupportedAnisotropy)
maxRequestedAnisotropy = maxSupportedAnisotropy;
HostSampler = context.Renderer.CreateSampler(new SamplerCreateInfo(
minFilter,
magFilter,
seamlessCubemap,
addressU,
addressV,
addressP,
compareMode,
compareOp,
color,
minLod,
maxLod,
mipLodBias,
maxRequestedAnisotropy));
}
/// <summary>
/// Disposes the host sampler object.
/// </summary>
public void Dispose()
{
HostSampler.Dispose();
}
}
}
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