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) || input == null)
{
return(false);
}
SyncSettings();
UpdateTempRenderTexture(ref outputR);
UpdateTempRenderTexture(ref outputG);
UpdateTempRenderTexture(ref outputB);
UpdateTempRenderTexture(ref outputA);
SetMaterialParams(outputRMat, 0);
SetMaterialParams(outputGMat, 1);
SetMaterialParams(outputBMat, 2);
SetMaterialParams(outputAMat, 3);
void SetMaterialParams(Material m, int component)
{
MixtureUtils.SetTextureWithDimension(m, "_Source", input);
m.SetColor("_NeutralColor", neutralColor);
m.SetFloat("_Mode", (int)mode);
m.SetInt("_Component", component);
}
return(true);
}
protected override bool ProcessNode()
{
UpdateTempRenderTexture(ref output);
if (material == null || material.shader == null)
{
Debug.LogError($"Can't process {name}, missing material/shader.");
return(false);
}
var outputDimension = rtSettings.GetTextureDimension(graph);
MixtureUtils.SetupDimensionKeyword(material, outputDimension);
#if UNITY_EDITOR // IsShaderCompiled is editor only
if (!IsShaderCompiled(material.shader))
{
output.material = null;
Debug.LogError($"Can't process {name}, shader has errors.");
LogShaderErrors(material.shader);
}
else
#endif
{
output.material = material;
}
return(true);
}
public IEnumerable <PortData> InputPortType(List <SerializableEdge> edges)
{
var data = MixtureUtils.UpdateInputPortType(ref inputType, "Input", edges);
data.acceptMultipleEdges = true;
yield return(data);
}
public override void OnInteractivePreviewGUI(Rect previewRect, GUIStyle background)
{
HandleZoomAndPan(previewRect);
if (firstLockedPreviewTarget?.previewTexture != null && e.type == EventType.Repaint)
{
MixtureUtils.SetupDimensionKeyword(previewMaterial, firstLockedPreviewTarget.previewTexture.dimension);
// Set texture property based on the dimension
MixtureUtils.SetTextureWithDimension(previewMaterial, "_MainTex0", firstLockedPreviewTarget.previewTexture);
MixtureUtils.SetTextureWithDimension(previewMaterial, "_MainTex1", secondLockedPreviewTarget.previewTexture);
previewMaterial.SetFloat("_ComparisonSlider", compareSlider);
previewMaterial.SetFloat("_ComparisonEnabled", compareEnabled ? 1 : 0);
previewMaterial.SetFloat("_CompareMode", (int)compareMode);
previewMaterial.SetFloat("_PreviewMip", mipLevel);
previewMaterial.SetFloat("_YRatio", previewRect.height / previewRect.width);
previewMaterial.SetFloat("_Zoom", zoom);
previewMaterial.SetVector("_Pan", shaderPos / previewRect.size);
previewMaterial.SetFloat("_FilterMode", (int)filterMode);
previewMaterial.SetFloat("_Exp", exposure);
previewMaterial.SetVector("_TextureSize", new Vector4(firstLockedPreviewTarget.previewTexture.width, firstLockedPreviewTarget.previewTexture.height, 1.0f / firstLockedPreviewTarget.previewTexture.width, 1.0f / firstLockedPreviewTarget.previewTexture.height));
previewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(channels));
previewMaterial.SetFloat("_IsSRGB0", firstLockedPreviewTarget is OutputNode o0 && o0.mainOutput.sRGB ? 1 : 0);
previewMaterial.SetFloat("_IsSRGB1", secondLockedPreviewTarget is OutputNode o1 && o1.mainOutput.sRGB ? 1 : 0);
EditorGUI.DrawPreviewTexture(previewRect, Texture2D.whiteTexture, previewMaterial);
}
else
{
EditorGUI.DrawRect(previewRect, new Color(1, 0, 1, 1));
}
}
protected override bool ProcessNode(CommandBuffer cmd)
{
rtSettings.doubleBuffered = true;
if (!base.ProcessNode(cmd) || inputMesh?.mesh == null)
{
return(false);
}
UpdateTempRenderTexture(ref outputVolume);
UpdateTempRenderTexture(ref rayMapBuffer, overrideGraphicsFormat: GraphicsFormat.R32_UInt);
MixtureUtils.SetupComputeTextureDimension(cmd, computeShader, TextureDimension.Tex3D);
// Clear 3D render texture
int clearKernel = mode == Mode.Signed ? clearSignedKernel : clearUnsignedKernel;
cmd.SetComputeTextureParam(computeShader, clearKernel, "_Output", outputVolume);
cmd.SetComputeTextureParam(computeShader, clearKernel, "_RayMapsOutput", rayMapBuffer);
DispatchCompute(cmd, clearKernel, outputVolume.width, outputVolume.height, outputVolume.volumeDepth);
// Rasterize the mesh in the volume
MixtureUtils.RasterizeMeshToTexture3D(cmd, inputMesh, outputVolume, conservativeRaster);
// Generate a distance field with JFA
JumpFlooding(cmd);
return(true);
}
public static void ComputeLuminanceMinMax(CommandBuffer cmd, ComputeBuffer targetBuffer, Texture input)
{
MixtureUtils.SetupComputeTextureDimension(cmd, histogramCompute, input.dimension);
// Clear buffers
cmd.SetComputeBufferParam(histogramCompute, clearLuminanceKernel, "_ImageLuminance", luminanceBuffer);
int dispatchCount = input.width * input.height * TextureUtils.GetSliceCount(input) / 64;
// Limit computing to 8K textures
int yCount = Mathf.Clamp(dispatchCount / dispatchGroupSizeX / 64, 1, dispatchGroupSizeX);
int xCount = Mathf.Clamp(dispatchCount / yCount / 8, 1, dispatchGroupSizeX);
cmd.SetComputeIntParam(histogramCompute, "_DispatchSizeX", dispatchGroupSizeX);
cmd.DispatchCompute(histogramCompute, clearLuminanceKernel, xCount, yCount, TextureUtils.GetSliceCount(input));
// Find luminance min / max in the texture
cmd.SetComputeTextureParam(histogramCompute, computeLuminanceBufferKernel, "_Input", input);
cmd.SetComputeBufferParam(histogramCompute, computeLuminanceBufferKernel, "_ImageLuminance", luminanceBuffer);
cmd.SetComputeVectorParam(histogramCompute, "_InputTextureSize", new Vector4(input.width, input.height, TextureUtils.GetSliceCount(input), 0));
MixtureUtils.SetTextureWithDimension(cmd, histogramCompute, computeLuminanceBufferKernel, "_Input", input);
cmd.SetComputeVectorParam(histogramCompute, "_RcpTextureSize", new Vector4(1.0f / input.width, 1.0f / input.height, 1.0f / TextureUtils.GetSliceCount(input), 0));
cmd.DispatchCompute(histogramCompute, computeLuminanceBufferKernel, Mathf.Max(1, input.width / 8), Mathf.Max(1, input.height / 8), TextureUtils.GetSliceCount(input));
ReduceLuminanceBuffer(cmd, dispatchCount);
cmd.SetComputeBufferParam(histogramCompute, copyMinMaxToBuffer, "_ImageLuminance", luminanceBuffer);
cmd.SetComputeBufferParam(histogramCompute, copyMinMaxToBuffer, "_Target", targetBuffer);
cmd.DispatchCompute(histogramCompute, copyMinMaxToBuffer, 1, 1, 1);
}
protected void BlitMixtureIcon(Texture preview, RenderTexture target, bool realtime = false)
{
var blitMaterial = (realtime) ? MixtureUtils.blitRealtimeIconMaterial : MixtureUtils.blitIconMaterial;
MixtureUtils.SetupDimensionKeyword(blitMaterial, preview.dimension);
switch (preview.dimension)
{
case TextureDimension.Tex2D:
blitMaterial.SetTexture("_Texture2D", preview);
Graphics.Blit(preview, target, blitMaterial, 0);
break;
case TextureDimension.Tex2DArray:
blitMaterial.SetTexture("_Texture2DArray", preview);
Graphics.Blit(preview, target, blitMaterial, 0);
break;
case TextureDimension.Tex3D:
blitMaterial.SetTexture("_Texture3D", preview);
Graphics.Blit(preview, target, blitMaterial, 0);
break;
case TextureDimension.Cube:
blitMaterial.SetTexture("_Cubemap", preview);
Graphics.Blit(preview, target, blitMaterial, 0);
break;
default:
Debug.LogError($"{preview.dimension} is not supported for icon preview");
break;
}
}
protected override bool ProcessNode(CommandBuffer cmd)
{
// Force the double buffering for multi-pass flooding
rtSettings.doubleBuffered = true;
if (!base.ProcessNode(cmd) || input == null)
{
return(false);
}
UpdateTempRenderTexture(ref output);
cmd.SetComputeFloatParam(computeShader, "_Threshold", threshold);
cmd.SetComputeVectorParam(computeShader, "_Size", new Vector4(output.width, 1.0f / output.width));
cmd.SetComputeFloatParam(computeShader, "_Distance", distance / 100.0f);
cmd.SetComputeIntParam(computeShader, "_ThresholdMode", (int)thresholdMode);
cmd.SetComputeIntParam(computeShader, "_DistanceMode", (int)distanceMode);
cmd.SetComputeIntParam(computeShader, "_Mode", (int)mode);
output.doubleBuffered = true;
output.EnsureDoubleBufferConsistency();
var rt = output.GetDoubleBufferRenderTexture();
rt.Release();
rt.enableRandomWrite = true;
rt.Create();
MixtureUtils.SetupComputeDimensionKeyword(computeShader, input.dimension);
cmd.SetComputeTextureParam(computeShader, fillUvKernel, "_Input", input);
cmd.SetComputeTextureParam(computeShader, fillUvKernel, "_Output", output);
cmd.SetComputeTextureParam(computeShader, fillUvKernel, "_FinalOutput", rt);
cmd.SetComputeIntParam(computeShader, "_DistanceMode", (int)distanceMode);
cmd.SetComputeFloatParam(computeShader, "_InputScaleFactor", (float)input.width / (float)output.width);
DispatchCompute(cmd, fillUvKernel, output.width, output.height, output.volumeDepth);
int maxLevels = (int)Mathf.Log(input.width, 2);
for (int i = 0; i <= maxLevels; i++)
{
float offset = 1 << (maxLevels - i);
cmd.SetComputeFloatParam(computeShader, "_InputScaleFactor", 1);
cmd.SetComputeFloatParam(computeShader, "_Offset", offset);
cmd.SetComputeTextureParam(computeShader, jumpFloodingKernel, "_Input", output);
cmd.SetComputeTextureParam(computeShader, jumpFloodingKernel, "_Output", rt);
cmd.SetComputeIntParam(computeShader, "_DistanceMode", (int)distanceMode);
DispatchCompute(cmd, jumpFloodingKernel, output.width, output.height, output.volumeDepth);
cmd.CopyTexture(rt, output);
}
cmd.SetComputeFloatParam(computeShader, "_InputScaleFactor", (float)input.width / (float)output.width);
cmd.SetComputeTextureParam(computeShader, finalPassKernel, "_Input", input);
cmd.SetComputeTextureParam(computeShader, finalPassKernel, "_Output", rt);
cmd.SetComputeIntParam(computeShader, "_DistanceMode", (int)distanceMode);
cmd.SetComputeTextureParam(computeShader, finalPassKernel, "_FinalOutput", output);
DispatchCompute(cmd, finalPassKernel, output.width, output.height, output.volumeDepth);
return(true);
}
protected override void Enable()
{
if (createNewPrefab)
{
// Create and save the new prefab
var defaultPrefab = CreateDefaultPrefab();
prefab = SavePrefab(defaultPrefab);
MixtureUtils.DestroyGameObject(defaultPrefab);
ProjectWindowUtil.ShowCreatedAsset(prefab);
}
UpdateRenderTextures();
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (output == null)
{
return(false);
}
var outputDimension = rtSettings.GetTextureDimension(graph);
MixtureUtils.SetupDimensionKeyword(material, outputDimension);
var s = material.shader;
for (int i = 0; i < s.GetPropertyCount(); i++)
{
if (s.GetPropertyType(i) != ShaderPropertyType.Texture)
{
continue;
}
int id = s.GetPropertyNameId(i);
if (material.GetTexture(id) != null)
{
continue; // Avoid overriding existing textures
}
var dim = s.GetPropertyTextureDimension(i);
if (dim == TextureDimension.Tex2D)
{
continue; // Texture2D don't need this feature
}
// default texture names doesn't work with cubemap and 3D textures so we do it ourselves...
switch (s.GetPropertyTextureDefaultName(i))
{
case "black":
material.SetTexture(id, TextureUtils.GetBlackTexture(dim));
break;
case "white":
material.SetTexture(id, TextureUtils.GetWhiteTexture(dim));
break;
// TODO: grey and bump
}
}
output.material = material;
bool useCustomUV = material.HasTextureBound("_UV", rtSettings.GetTextureDimension(graph));
material.SetKeywordEnabled("USE_CUSTOM_UV", useCustomUV);
return(true);
}
public static void ComputeHistogram(CommandBuffer cmd, Texture input, HistogramData data)
{
using (new ProfilingScope(cmd, new ProfilingSampler("Generate Histogram")))
{
MixtureUtils.SetupComputeTextureDimension(cmd, histogramCompute, input.dimension);
// Clear buffers
cmd.SetComputeBufferParam(histogramCompute, clearKernel, "_ImageLuminance", luminanceBuffer);
cmd.SetComputeBufferParam(histogramCompute, clearKernel, "_Histogram", data.histogram);
int dispatchCount = input.width * input.height * TextureUtils.GetSliceCount(input) / 64;
// Limit computing to 8K textures
int yCount = Mathf.Clamp(dispatchCount / dispatchGroupSizeX / 64, 1, dispatchGroupSizeX);
int xCount = Mathf.Clamp(dispatchCount / yCount / 8, 1, dispatchGroupSizeX);
cmd.SetComputeIntParam(histogramCompute, "_DispatchSizeX", dispatchGroupSizeX);
cmd.DispatchCompute(histogramCompute, clearKernel, xCount, yCount, 1);
// Find luminance min / max in the texture
// TODO: handle texture 3D and Cube
cmd.SetComputeTextureParam(histogramCompute, computeLuminanceBufferKernel, "_Input", input);
cmd.SetComputeBufferParam(histogramCompute, computeLuminanceBufferKernel, "_ImageLuminance", luminanceBuffer);
cmd.SetComputeVectorParam(histogramCompute, "_InputTextureSize", new Vector4(input.width, input.height, TextureUtils.GetSliceCount(input), 0));
cmd.SetComputeVectorParam(histogramCompute, "_RcpTextureSize", new Vector4(1.0f / input.width, 1.0f / input.height, 1.0f / TextureUtils.GetSliceCount(input), 0));
MixtureUtils.SetTextureWithDimension(cmd, histogramCompute, computeLuminanceBufferKernel, "_Input", input);
cmd.DispatchCompute(histogramCompute, computeLuminanceBufferKernel, Mathf.Max(1, input.width / 8), Mathf.Max(1, input.height / 8), TextureUtils.GetSliceCount(input));
ReduceLuminanceBuffer(cmd, dispatchCount);
// Generate histogram data in compute buffer
cmd.SetComputeBufferParam(histogramCompute, generateHistogramKernel, "_ImageLuminance", luminanceBuffer);
cmd.SetComputeBufferParam(histogramCompute, generateHistogramKernel, "_Histogram", data.histogram);
cmd.SetComputeTextureParam(histogramCompute, generateHistogramKernel, "_Input", input);
cmd.SetComputeIntParam(histogramCompute, "_HistogramBucketCount", data.bucketCount);
cmd.SetComputeVectorParam(histogramCompute, "_RcpTextureSize", new Vector4(1.0f / input.width, 1.0f / input.height, 1.0f / TextureUtils.GetSliceCount(input), 0));
MixtureUtils.SetTextureWithDimension(cmd, histogramCompute, generateHistogramKernel, "_Input", input);
cmd.DispatchCompute(histogramCompute, generateHistogramKernel, Mathf.Max(1, input.width / 8), Mathf.Max(1, input.height / 8), TextureUtils.GetSliceCount(input));
cmd.SetComputeBufferParam(histogramCompute, computeHistogramDataKernel, "_HistogramData", data.histogramData);
cmd.SetComputeBufferParam(histogramCompute, computeHistogramDataKernel, "_Histogram", data.histogram);
cmd.DispatchCompute(histogramCompute, computeHistogramDataKernel, Mathf.Max(1, data.bucketCount / 64), 1, 1);
// Request histogram data back for inspector
cmd.RequestAsyncReadback(luminanceBuffer, 8, 0, (c) => {
var d = c.GetData <float>();
if (d.Length > 0)
{
data.minLuminance = d[0];
data.maxLuminance = d[1];
}
});
}
}
bool UpdateFinalCopyMaterial(OutputTextureSettings targetOutput)
{
if (targetOutput.finalCopyMaterial == null)
{
targetOutput.finalCopyMaterial = CreateFinalCopyMaterial();
if (!graph.IsObjectInGraph(targetOutput.finalCopyMaterial))
{
graph.AddObjectToGraph(targetOutput.finalCopyMaterial);
}
}
// Manually reset all texture inputs
ResetMaterialPropertyToDefault(targetOutput.finalCopyMaterial, "_Source_2D");
ResetMaterialPropertyToDefault(targetOutput.finalCopyMaterial, "_Source_3D");
ResetMaterialPropertyToDefault(targetOutput.finalCopyMaterial, "_Source_Cube");
var input = targetOutput.inputTexture;
if (input != null)
{
if (input.dimension != (TextureDimension)rtSettings.dimension)
{
Debug.LogError("Error: Expected texture type input for the OutputNode is " + graph.mainOutputTexture.dimension + " but " + input?.dimension + " was provided");
return(false);
}
MixtureUtils.SetupDimensionKeyword(targetOutput.finalCopyMaterial, input.dimension);
if (input.dimension == TextureDimension.Tex2D)
{
targetOutput.finalCopyMaterial.SetTexture("_Source_2D", input);
}
else if (input.dimension == TextureDimension.Tex3D)
{
targetOutput.finalCopyMaterial.SetTexture("_Source_3D", input);
}
else
{
targetOutput.finalCopyMaterial.SetTexture("_Source_Cube", input);
}
targetOutput.finalCopyMaterial.SetInt("_IsSRGB", targetOutput.sRGB ? 1 : 0);
}
if (targetOutput.finalCopyRT != null)
{
targetOutput.finalCopyRT.material = targetOutput.finalCopyMaterial;
}
return(true);
}
protected override void Enable()
{
#if UNITY_EDITOR
if (createNewPrefab)
{
// Create and save the new prefab
var defaultPrefab = GameObject.Instantiate(LoadDefaultPrefab());
prefab = SavePrefab(defaultPrefab);
MixtureUtils.DestroyGameObject(defaultPrefab);
ProjectWindowUtil.ShowCreatedAsset(prefab);
EditorGUIUtility.PingObject(prefab);
}
#endif
}
void GenerateCustomMipMaps()
{
#if UNITY_EDITOR
mipchainCmd.Clear();
mipchainCmd.name = "Generate Custom MipMaps";
if (mipMapPropertyBlock == null)
{
mipMapPropertyBlock = new MaterialPropertyBlock();
}
int slice = 0;
// TODO: support 3D textures and Cubemaps
// for (int slice = 0; slice < tempRenderTexture.volumeDepth; slice++)
{
for (int i = 0; i < tempRenderTexture.mipmapCount - 1; i++)
{
int mipLevel = i + 1;
mipmapRenderTexture.name = "Tmp mipmap";
mipchainCmd.SetRenderTarget(mipmapRenderTexture, mipLevel, CubemapFace.Unknown, 0);
Vector4 textureSize = new Vector4(tempRenderTexture.width, tempRenderTexture.height, tempRenderTexture.volumeDepth, 0);
textureSize /= 1 << (mipLevel);
Vector4 textureSizeRcp = new Vector4(1.0f / textureSize.x, 1.0f / textureSize.y, 1.0f / textureSize.z, 0);
mipMapPropertyBlock.SetTexture("_InputTexture_2D", tempRenderTexture);
mipMapPropertyBlock.SetTexture("_InputTexture_3D", tempRenderTexture);
mipMapPropertyBlock.SetFloat("_CurrentMipLevel", mipLevel - 1);
mipMapPropertyBlock.SetFloat("_MaxMipLevel", tempRenderTexture.mipmapCount);
mipMapPropertyBlock.SetVector("_InputTextureSize", textureSize);
mipMapPropertyBlock.SetVector("_InputTextureSizeRcp", textureSizeRcp);
mipMapPropertyBlock.SetFloat("_CurrentSlice", slice / (float)tempRenderTexture.width);
MixtureUtils.SetupDimensionKeyword(customMipMapMaterial, tempRenderTexture.dimension);
mipchainCmd.DrawProcedural(Matrix4x4.identity, customMipMapMaterial, 0, MeshTopology.Triangles, 3, 1, mipMapPropertyBlock);
mipchainCmd.CopyTexture(mipmapRenderTexture, slice, mipLevel, tempRenderTexture, slice, mipLevel);
}
}
// Dirty hack to enqueue the command buffer but it's okay because it's the builtin renderer.
if (GraphicsSettings.renderPipelineAsset == null)
{
Camera.main.RemoveCommandBuffer(CameraEvent.BeforeDepthTexture, mipchainCmd);
Camera.main.AddCommandBuffer(CameraEvent.BeforeDepthTexture, mipchainCmd);
}
#endif
}
void GenerateCustomMipMaps(CommandBuffer cmd, OutputTextureSettings targetOutput)
{
#if UNITY_EDITOR
if (targetOutput.mipmapTempRT == null || targetOutput.finalCopyRT == null)
{
return;
}
cmd.BeginSample(generateMipMapSampler);
if (targetOutput.mipMapPropertyBlock == null)
{
targetOutput.mipMapPropertyBlock = new MaterialPropertyBlock();
}
int slice = 0;
// TODO: support 3D textures and Cubemaps
// for (int slice = 0; slice < targetOutput.finalCopyRT.volumeDepth; slice++)
{
for (int i = 0; i < targetOutput.finalCopyRT.mipmapCount - 1; i++)
{
int mipLevel = i + 1;
targetOutput.mipmapTempRT.name = "Tmp mipmap";
cmd.SetRenderTarget(targetOutput.mipmapTempRT, mipLevel, CubemapFace.Unknown, 0);
Vector4 textureSize = new Vector4(targetOutput.finalCopyRT.width, targetOutput.finalCopyRT.height, targetOutput.finalCopyRT.volumeDepth, 0);
textureSize /= 1 << (mipLevel);
Vector4 textureSizeRcp = new Vector4(1.0f / textureSize.x, 1.0f / textureSize.y, 1.0f / textureSize.z, 0);
targetOutput.mipMapPropertyBlock.SetTexture("_InputTexture_2D", targetOutput.finalCopyRT);
targetOutput.mipMapPropertyBlock.SetTexture("_InputTexture_3D", targetOutput.finalCopyRT);
targetOutput.mipMapPropertyBlock.SetFloat("_CurrentMipLevel", mipLevel - 1);
targetOutput.mipMapPropertyBlock.SetFloat("_MaxMipLevel", targetOutput.finalCopyRT.mipmapCount);
targetOutput.mipMapPropertyBlock.SetVector("_InputTextureSize", textureSize);
targetOutput.mipMapPropertyBlock.SetVector("_InputTextureSizeRcp", textureSizeRcp);
targetOutput.mipMapPropertyBlock.SetFloat("_CurrentSlice", slice / (float)targetOutput.finalCopyRT.width);
MixtureUtils.SetupDimensionKeyword(targetOutput.customMipMapMaterial, targetOutput.finalCopyRT.dimension);
cmd.DrawProcedural(Matrix4x4.identity, targetOutput.customMipMapMaterial, 0, MeshTopology.Triangles, 3, 1, targetOutput.mipMapPropertyBlock);
cmd.CopyTexture(targetOutput.mipmapTempRT, slice, mipLevel, targetOutput.finalCopyRT, slice, mipLevel);
}
}
cmd.EndSample(generateMipMapSampler);
#endif
}
public override void OnInteractivePreviewGUI(Rect previewRect, GUIStyle background)
{
HandleZoomAndPan(previewRect);
if (mixtureInspector.firstLockedPreviewTarget?.previewTexture != null && e.type == EventType.Repaint)
{
mixtureInspector.volumeCameraMatrix = Matrix4x4.Rotate(Quaternion.Euler(mixtureInspector.cameraYAxis, mixtureInspector.cameraXAxis, 0));
MixtureUtils.SetupDimensionKeyword(previewMaterial, mixtureInspector.firstLockedPreviewTarget.previewTexture.dimension);
// Set texture property based on the dimension
MixtureUtils.SetTextureWithDimension(previewMaterial, "_MainTex0", mixtureInspector.firstLockedPreviewTarget.previewTexture);
MixtureUtils.SetTextureWithDimension(previewMaterial, "_MainTex1", mixtureInspector.secondLockedPreviewTarget.previewTexture);
previewMaterial.SetFloat("_ComparisonSlider", mixtureInspector.compareSlider);
previewMaterial.SetFloat("_ComparisonSlider3D", mixtureInspector.compareSlider3D);
previewMaterial.SetVector("_MouseUV", mixtureInspector.mouseUV);
previewMaterial.SetMatrix("_CameraMatrix", mixtureInspector.volumeCameraMatrix);
previewMaterial.SetFloat("_CameraZoom", mixtureInspector.cameraZoom);
previewMaterial.SetFloat("_ComparisonEnabled", mixtureInspector.compareEnabled ? 1 : 0);
previewMaterial.SetFloat("_CompareMode", (int)mixtureInspector.compareMode);
previewMaterial.SetFloat("_PreviewMip", mixtureInspector.mipLevel);
previewMaterial.SetFloat("_YRatio", previewRect.height / previewRect.width);
previewMaterial.SetFloat("_Zoom", mixtureInspector.zoom);
previewMaterial.SetVector("_Pan", mixtureInspector.shaderPos / previewRect.size);
previewMaterial.SetFloat("_FilterMode", (int)mixtureInspector.filterMode);
previewMaterial.SetFloat("_Exp", mixtureInspector.exposure);
previewMaterial.SetVector("_TextureSize", new Vector4(mixtureInspector.firstLockedPreviewTarget.previewTexture.width, mixtureInspector.firstLockedPreviewTarget.previewTexture.height, 1.0f / mixtureInspector.firstLockedPreviewTarget.previewTexture.width, 1.0f / mixtureInspector.firstLockedPreviewTarget.previewTexture.height));
previewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(mixtureInspector.channels));
previewMaterial.SetFloat("_IsSRGB0", mixtureInspector.firstLockedPreviewTarget is OutputNode o0 && o0.mainOutput.sRGB ? 1 : 0);
previewMaterial.SetFloat("_IsSRGB1", mixtureInspector.secondLockedPreviewTarget is OutputNode o1 && o1.mainOutput.sRGB ? 1 : 0);
previewMaterial.SetFloat("_PreserveAspect", mixtureInspector.preserveAspect ? 1 : 0);
previewMaterial.SetFloat("_Texture3DMode", (int)mixtureInspector.texture3DPreviewMode);
previewMaterial.SetFloat("_Density", mixtureInspector.texture3DDensity);
previewMaterial.SetFloat("_SDFOffset", mixtureInspector.texture3DDistanceFieldOffset);
previewMaterial.SetFloat("_SDFChannel", (int)mixtureInspector.sdfChannel);
previewMaterial.SetFloat("_ShowCubeBackface", mixtureInspector.showCubeBackface ? 1 : 0);
previewMaterial.SetFloat("_InvertSurface", mixtureInspector.invertSurface ? 1 : 0);
previewMaterial.SetFloat("_VolumetricDensityChannel", mixtureInspector.volumetricDensityChannel);
EditorGUI.DrawPreviewTexture(previewRect, Texture2D.whiteTexture, previewMaterial);
}
else
{
EditorGUI.DrawRect(previewRect, new Color(1, 0, 1, 1));
}
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd) || inputMesh?.mesh == null)
{
return(false);
}
UpdateTempRenderTexture(ref outputVolume);
// Clear 3D render texture
cmd.SetComputeTextureParam(computeShader, 0, "_Output", outputVolume);
DispatchCompute(cmd, 0, outputVolume.width, outputVolume.height, outputVolume.volumeDepth);
MixtureUtils.RasterizeMeshToTexture3D(cmd, inputMesh, outputVolume, conservativeRaster);
return(true);
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd) || textureAsset == null)
{
return(false);
}
#if UNITY_EDITOR
var importer = UnityEditor.AssetImporter.GetAtPath(UnityEditor.AssetDatabase.GetAssetPath(textureAsset));
if (importer is UnityEditor.TextureImporter textureImporter)
{
normalMap = textureImporter.textureType == UnityEditor.TextureImporterType.NormalMap;
}
#endif
// Compressed normal maps need to be converted from AG to RG format
if (normalMap)
{
if (postProcessedTexture == null)
{
postProcessedTexture = new RenderTexture(1, 1, 0, GraphicsFormat.R16G16B16A16_SFloat);
}
if (postProcessedTexture.width != textureAsset.width || postProcessedTexture.height != textureAsset.height)
{
postProcessedTexture.Release();
postProcessedTexture.width = textureAsset.width;
postProcessedTexture.height = textureAsset.height;
postProcessedTexture.Create();
}
var blitMaterial = GetTempMaterial("Hidden/Mixture/TextureNode");
MixtureUtils.SetTextureWithDimension(blitMaterial, "_Source", textureAsset);
MixtureUtils.Blit(cmd, blitMaterial, textureAsset, postProcessedTexture);
outputTexture = postProcessedTexture;
}
else
{
postProcessedTexture?.Release();
outputTexture = textureAsset;
}
return(true);
}
public sealed override void OnGUI(Rect position, MaterialProperty prop, string label, MaterialEditor editor)
{
// In case the material is shown in the inspector, the editor will not be linked to a node
if (!mixtureDrawerInfos.ContainsKey(editor))
{
DrawerGUI(position, prop, label, editor, null, null);
return;
}
var nodeView = GetNodeView(editor);
var graph = GetGraph(editor);
var node = nodeView.nodeTarget as MixtureNode;
allowedDimensions = MixtureUtils.GetAllowedDimentions(prop.name);
if (IsVisible(editor))
{
DrawerGUI(position, prop, label, editor, graph, nodeView);
}
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd) || input == null)
{
return(false);
}
UpdateTempRenderTexture(ref outputR);
UpdateTempRenderTexture(ref outputG);
UpdateTempRenderTexture(ref outputB);
UpdateTempRenderTexture(ref outputA);
MixtureUtils.SetTextureWithDimension(outputRMat, "_Source", input);
MixtureUtils.SetTextureWithDimension(outputGMat, "_Source", input);
MixtureUtils.SetTextureWithDimension(outputBMat, "_Source", input);
MixtureUtils.SetTextureWithDimension(outputAMat, "_Source", input);
outputRMat.SetInt("_Component", 0);
outputGMat.SetInt("_Component", 1);
outputBMat.SetInt("_Component", 2);
outputAMat.SetInt("_Component", 3);
return(true);
}
bool PropertySupportsDimension(MaterialProperty prop, TextureDimension dim)
{
return(MixtureUtils.GetAllowedDimentions(prop.name).Contains(dim));
}
protected override bool ProcessNode()
{
if (graph.outputTexture == null)
{
Debug.LogError("Output Node can't write to target texture, Graph references a null output texture");
return(false);
}
// Update the renderTexture reference for realtime graph
if (graph.isRealtime)
{
if (tempRenderTexture != graph.outputTexture)
{
onTempRenderTextureUpdated?.Invoke();
}
tempRenderTexture = graph.outputTexture as CustomRenderTexture;
}
var inputPort = GetPort(nameof(input), nameof(input));
if (inputPort.GetEdges().Count == 0)
{
if (uniqueMessages.Add("OutputNotConnected"))
{
AddMessage("Output node input is not connected", NodeMessageType.Warning);
}
input = TextureUtils.GetBlackTexture(rtSettings);
// TODO: set a black texture of texture dimension as default value
return(false);
}
else
{
uniqueMessages.Clear();
ClearMessages();
}
// Update the renderTexture size and format:
if (UpdateTempRenderTexture(ref tempRenderTexture))
{
onTempRenderTextureUpdated?.Invoke();
}
if (input.dimension != graph.outputTexture.dimension)
{
Debug.LogError("Error: Expected texture type input for the OutputNode is " + graph.outputTexture.dimension + " but " + input?.dimension + " was provided");
return(false);
}
MixtureUtils.SetupDimensionKeyword(finalCopyMaterial, input.dimension);
// Manually reset all texture inputs
ResetMaterialPropertyToDefault(finalCopyMaterial, "_Source_2D");
ResetMaterialPropertyToDefault(finalCopyMaterial, "_Source_3D");
ResetMaterialPropertyToDefault(finalCopyMaterial, "_Source_Cube");
if (input.dimension == TextureDimension.Tex2D)
{
finalCopyMaterial.SetTexture("_Source_2D", input);
}
else if (input.dimension == TextureDimension.Tex3D)
{
finalCopyMaterial.SetTexture("_Source_3D", input);
}
else
{
finalCopyMaterial.SetTexture("_Source_Cube", input);
}
tempRenderTexture.material = finalCopyMaterial;
return(true);
}
static bool IsCompatibleWithRealtimeGraph(BaseGraph graph) => MixtureUtils.IsRealtimeGraph(graph);
public IEnumerable <PortData> InputPortTypeFalse(List <SerializableEdge> edges)
{
yield return(MixtureUtils.UpdateInputPortType(ref inputType, "False", edges));
}
protected override bool ProcessNode(CommandBuffer cmd)
{
if (!base.ProcessNode(cmd) || textureAsset == null)
{
return(false);
}
#if UNITY_EDITOR
var importer = UnityEditor.AssetImporter.GetAtPath(UnityEditor.AssetDatabase.GetAssetPath(textureAsset));
if (importer is UnityEditor.TextureImporter textureImporter)
{
normalMap = textureImporter.textureType == UnityEditor.TextureImporterType.NormalMap;
}
#endif
int targetWidth = textureAsset.width;
int targetHeight = textureAsset.height;
int targetDepth = TextureUtils.GetSliceCount(textureAsset);
bool needsTempTarget = false;
if (!IsPowerOf2(textureAsset) && POTMode != PowerOf2Mode.None)
{
int maxSize = Mathf.Max(Mathf.Max(targetWidth, targetHeight), targetDepth);
int potSize = 0;
switch (POTMode)
{
case PowerOf2Mode.ScaleToNextPowerOf2:
potSize = Mathf.NextPowerOfTwo(maxSize);
break;
default:
potSize = Mathf.ClosestPowerOfTwo(maxSize);
break;
}
targetWidth = targetHeight = targetDepth = potSize;
needsTempTarget = true;
}
if (normalMap)
{
needsTempTarget = true;
}
if (needsTempTarget && postProcessedTexture == null)
{
postProcessedTexture = new RenderTexture(1, 1, 0, GraphicsFormat.R16G16B16A16_SFloat, mipCount: textureAsset.mipmapCount)
{
dimension = textureAsset.dimension, enableRandomWrite = true, volumeDepth = 1
}
}
;
else if (!needsTempTarget)
{
postProcessedTexture?.Release();
postProcessedTexture = null;
}
if (postProcessedTexture != null && (postProcessedTexture.width != targetWidth ||
postProcessedTexture.height != targetHeight ||
postProcessedTexture.volumeDepth != targetDepth))
{
postProcessedTexture.Release();
postProcessedTexture.width = targetWidth;
postProcessedTexture.height = targetHeight;
postProcessedTexture.volumeDepth = targetDepth;
postProcessedTexture.Create();
}
// TODO: same alloc as normal map + scale and crop options
// Compressed normal maps need to be converted from AG to RG format
if (normalMap)
{
// Transform normal map texture into POT
var blitMaterial = GetTempMaterial("Hidden/Mixture/TextureNode");
MixtureUtils.SetTextureWithDimension(blitMaterial, "_Source", textureAsset);
blitMaterial.SetInt("_POTMode", (int)POTMode);
MixtureUtils.Blit(cmd, blitMaterial, textureAsset, postProcessedTexture, 0);
outputTexture = postProcessedTexture;
}
else if (needsTempTarget)
{
// Transform standard texture into POT
var blitMaterial = GetTempMaterial("Hidden/Mixture/TextureNode");
MixtureUtils.SetTextureWithDimension(blitMaterial, "_Source", textureAsset);
blitMaterial.SetInt("_POTMode", (int)POTMode);
MixtureUtils.Blit(cmd, blitMaterial, textureAsset, postProcessedTexture, 1);
outputTexture = postProcessedTexture;
}
else
{
outputTexture = textureAsset;
}
if (outputTexture != null)
{
settings.sizeMode = OutputSizeMode.Absolute;
settings.width = outputTexture.width;
settings.height = outputTexture.height;
settings.depth = TextureUtils.GetSliceCount(outputTexture);
}
return(true);
}
protected override bool ProcessNode()
{
if (graph.outputTexture == null)
{
Debug.LogError("Output Node can't write to target texture, Graph references a null output texture");
return(false);
}
// Update the renderTexture reference for realtime graph
if (graph.isRealtime)
{
if (tempRenderTexture != graph.outputTexture)
{
onTempRenderTextureUpdated?.Invoke();
}
tempRenderTexture = graph.outputTexture as CustomRenderTexture;
}
var inputPort = GetPort(nameof(input), nameof(input));
if (inputPort.GetEdges().Count == 0)
{
if (uniqueMessages.Add("OutputNotConnected"))
{
AddMessage("Output node input is not connected", NodeMessageType.Warning);
}
}
else
{
uniqueMessages.Clear();
ClearMessages();
}
// Update the renderTexture size and format:
if (UpdateTempRenderTexture(ref tempRenderTexture, hasMips, customMipMapShader == null))
{
onTempRenderTextureUpdated?.Invoke();
}
// Manually reset all texture inputs
ResetMaterialPropertyToDefault(finalCopyMaterial, "_Source_2D");
ResetMaterialPropertyToDefault(finalCopyMaterial, "_Source_3D");
ResetMaterialPropertyToDefault(finalCopyMaterial, "_Source_Cube");
if (input != null && inputPort.GetEdges().Count != 0)
{
if (input.dimension != graph.outputTexture.dimension)
{
Debug.LogError("Error: Expected texture type input for the OutputNode is " + graph.outputTexture.dimension + " but " + input?.dimension + " was provided");
return(false);
}
MixtureUtils.SetupDimensionKeyword(finalCopyMaterial, input.dimension);
if (input.dimension == TextureDimension.Tex2D)
{
finalCopyMaterial.SetTexture("_Source_2D", input);
}
else if (input.dimension == TextureDimension.Tex3D)
{
finalCopyMaterial.SetTexture("_Source_3D", input);
}
else
{
finalCopyMaterial.SetTexture("_Source_Cube", input);
}
}
tempRenderTexture.material = finalCopyMaterial;
// The CustomRenderTexture update will be triggered at the begining of the next frame so we wait one frame to generate the mipmaps
// We need to do this because we can't generate custom mipMaps with CustomRenderTextures
if (customMipMapShader != null && hasMips)
{
UpdateTempRenderTexture(ref mipmapRenderTexture, true, false);
GenerateCustomMipMaps();
}
else
{
Camera.main.RemoveCommandBuffers(CameraEvent.BeforeDepthTexture);
}
return(true);
}
protected void ClearBuffer(CommandBuffer cmd, ComputeBuffer buffer, int sizeInByte = -1, int offset = 0) => MixtureUtils.ClearBuffer(cmd, buffer, sizeInByte, offset);
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);
}
bool PropertySupportsDimension(string name, TextureDimension dim)
{
return(MixtureUtils.GetAllowedDimentions(name).Contains(dim));
}
