void ProcessNode(CommandBuffer cmd, BaseNode node)
{
if (node.computeOrder < 0 || !node.canProcess)
{
return;
}
if (node is MixtureNode m)
{
m.OnProcess(cmd);
if (node is IUseCustomRenderTextureProcessing iUseCRT)
{
foreach (var crt in iUseCRT.GetCustomRenderTextures())
{
if (crt != null)
{
crt.Update();
CustomTextureManager.UpdateCustomRenderTexture(cmd, crt);
}
}
}
}
else
{
node.OnProcess();
}
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd) || input == null)
{
return(false);
}
HistogramUtility.ComputeLuminanceMinMax(cmd, minMaxBuffer, input);
TextureUtils.UpdateTextureFromCurve(interpolationCurve, ref curveTexture);
var mat = tempRenderTexture.material = GetTempMaterial("Hidden/Mixture/Levels");
mat.SetFloat("_Mode", (int)mode);
mat.SetFloat("_ManualMin", min);
mat.SetFloat("_ManualMax", max);
mat.SetVector("_RcpTextureSize", new Vector4(1.0f / input.width, 1.0f / input.height, 1.0f / TextureUtils.GetSliceCount(input), 0));
MixtureUtils.SetupDimensionKeyword(mat, tempRenderTexture.dimension);
MixtureUtils.SetTextureWithDimension(mat, "_Input", input);
mat.SetBuffer("_Luminance", minMaxBuffer);
mat.SetTexture("_InterpolationCurve", curveTexture);
tempRenderTexture.Update();
CustomTextureManager.UpdateCustomRenderTexture(cmd, tempRenderTexture);
output = tempRenderTexture;
return(true);
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd))
{
return(false);
}
// Update temp target in case settings changes
UpdateTempRenderTexture(ref previewHeightmap);
var heightmapConvertMaterial = GetTempMaterial("Hidden/Mixture/EarthHeightmap");
heightmapConvertMaterial.SetTexture("_Heightmap", savedHeightmap);
previewHeightmap.material = heightmapConvertMaterial;
CustomTextureManager.UpdateCustomRenderTexture(cmd, previewHeightmap, 1);
output = (editMap || savedHeightmap == null) ? (Texture)previewHeightmap : savedHeightmap;
return(true);
}
protected override bool ProcessNode(CommandBuffer cmd)
{
rtSettings.doubleBuffered = true;
if (!base.ProcessNode(cmd) || input == null)
{
return(false);
}
TextureUtils.CopyTexture(cmd, input, output, false);
var mipmapGenMat = GetTempMaterial("Hidden/Mixture/GenerateMipMaps");
if (mode == Mode.Custom)
{
mipmapGenMat = material;
}
else
{
output.material = null;
}
if (mode == Mode.Auto)
{
cmd.GenerateMips(output);
}
else
{
var props = new MaterialPropertyBlock();
MixtureUtils.SetupDimensionKeyword(mipmapGenMat, rtSettings.GetTextureDimension(graph));
mipmapGenMat.SetFloat("_Mode", (int)mode);
MixtureUtils.SetTextureWithDimension(props, "_PreviousMip", input);
// Manually generate mips:
for (int i = 0; i < output.mipmapCount - 1; i++)
{
props.SetFloat("_SourceMip", i);
float width = Mathf.Max(1, input.width >> i);
float height = Mathf.Max(1, input.width >> i);
float depth = Mathf.Max(1, TextureUtils.GetSliceCount(input) >> i);
props.SetVector("_RcpTextureSize", new Vector4(1.0f / width, 1.0f / height, 1.0f / depth, 0.0f));
output.material = mipmapGenMat;
if (mode == Mode.Gaussian)
{
// 2 passes of gaussian blur for 2D and Cubemaps
props.SetVector("_GaussianBlurDirection", Vector3.right);
CustomTextureManager.UpdateCustomRenderTexture(cmd, output, 1, i + 1, props);
TextureUtils.CopyTexture(cmd, output.GetDoubleBufferRenderTexture(), output, i + 1);
props.SetFloat("_SourceMip", i + 1);
MixtureUtils.SetTextureWithDimension(props, "_PreviousMip", output);
props.SetVector("_GaussianBlurDirection", Vector3.up);
CustomTextureManager.UpdateCustomRenderTexture(cmd, output, 1, i + 1, props);
// And a third pass if we're in 3D
if (input.dimension == TextureDimension.Tex3D)
{
props.SetVector("_GaussianBlurDirection", Vector3.forward);
TextureUtils.CopyTexture(cmd, output.GetDoubleBufferRenderTexture(), output, i + 1);
CustomTextureManager.UpdateCustomRenderTexture(cmd, output, 1, i + 1, props);
}
}
else
{
CustomTextureManager.UpdateCustomRenderTexture(cmd, output, 1, i + 1, props);
}
TextureUtils.CopyTexture(cmd, output.GetDoubleBufferRenderTexture(), output, i + 1);
MixtureUtils.SetTextureWithDimension(props, "_PreviousMip", output);
}
}
output.material = null;
return(true);
}