84 lines
3.4 KiB
C#
84 lines
3.4 KiB
C#
using System;
|
|
|
|
namespace UnityEngine.Rendering.PostProcessing
|
|
{
|
|
/// <summary>
|
|
/// This class holds settings for the Subpixel Morphological Anti-aliasing (SMAA) effect.
|
|
/// </summary>
|
|
[UnityEngine.Scripting.Preserve]
|
|
[Serializable]
|
|
public sealed class SubpixelMorphologicalAntialiasing
|
|
{
|
|
enum Pass
|
|
{
|
|
EdgeDetection = 0,
|
|
BlendWeights = 3,
|
|
NeighborhoodBlending = 6
|
|
}
|
|
|
|
/// <summary>
|
|
/// Quality presets.
|
|
/// </summary>
|
|
public enum Quality
|
|
{
|
|
/// <summary>
|
|
/// Low quality.
|
|
/// </summary>
|
|
Low = 0,
|
|
|
|
/// <summary>
|
|
/// Medium quality.
|
|
/// </summary>
|
|
Medium = 1,
|
|
|
|
/// <summary>
|
|
/// High quality.
|
|
/// </summary>
|
|
High = 2
|
|
}
|
|
|
|
/// <summary>
|
|
/// The quality preset to use for the anti-aliasing filter.
|
|
/// </summary>
|
|
[Tooltip("Lower quality is faster at the expense of visual quality (Low = ~60%, Medium = ~80%).")]
|
|
public Quality quality = Quality.High;
|
|
|
|
/// <summary>
|
|
/// Checks if the effect is supported on the target platform.
|
|
/// </summary>
|
|
/// <returns><c>true</c> if the anti-aliasing filter is supported, <c>false</c> otherwise</returns>
|
|
public bool IsSupported()
|
|
{
|
|
return !RuntimeUtilities.isSinglePassStereoEnabled;
|
|
}
|
|
|
|
internal void Render(PostProcessRenderContext context)
|
|
{
|
|
var sheet = context.propertySheets.Get(context.resources.shaders.subpixelMorphologicalAntialiasing);
|
|
sheet.properties.SetTexture("_AreaTex", context.resources.smaaLuts.area);
|
|
sheet.properties.SetTexture("_SearchTex", context.resources.smaaLuts.search);
|
|
|
|
var cmd = context.command;
|
|
cmd.BeginSample("SubpixelMorphologicalAntialiasing");
|
|
|
|
#if UNITY_2017_3_OR_NEWER
|
|
cmd.GetTemporaryRT(ShaderIDs.SMAA_Flip, context.width, context.height, 0, FilterMode.Bilinear, context.sourceFormat, RenderTextureReadWrite.Linear, 1, false, RenderTextureMemoryless.None, context.camera.allowDynamicResolution);
|
|
cmd.GetTemporaryRT(ShaderIDs.SMAA_Flop, context.width, context.height, 0, FilterMode.Bilinear, context.sourceFormat, RenderTextureReadWrite.Linear, 1, false, RenderTextureMemoryless.None, context.camera.allowDynamicResolution);
|
|
#else
|
|
cmd.GetTemporaryRT(ShaderIDs.SMAA_Flip, context.width, context.height, 0, FilterMode.Bilinear, context.sourceFormat, RenderTextureReadWrite.Linear, 1, false);
|
|
cmd.GetTemporaryRT(ShaderIDs.SMAA_Flop, context.width, context.height, 0, FilterMode.Bilinear, context.sourceFormat, RenderTextureReadWrite.Linear, 1, false);
|
|
#endif
|
|
|
|
cmd.BlitFullscreenTriangle(context.source, ShaderIDs.SMAA_Flip, sheet, (int)Pass.EdgeDetection + (int)quality, true);
|
|
cmd.BlitFullscreenTriangle(ShaderIDs.SMAA_Flip, ShaderIDs.SMAA_Flop, sheet, (int)Pass.BlendWeights + (int)quality);
|
|
cmd.SetGlobalTexture("_BlendTex", ShaderIDs.SMAA_Flop);
|
|
cmd.BlitFullscreenTriangle(context.source, context.destination, sheet, (int)Pass.NeighborhoodBlending);
|
|
|
|
cmd.ReleaseTemporaryRT(ShaderIDs.SMAA_Flip);
|
|
cmd.ReleaseTemporaryRT(ShaderIDs.SMAA_Flop);
|
|
|
|
cmd.EndSample("SubpixelMorphologicalAntialiasing");
|
|
}
|
|
}
|
|
}
|