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));
}
}
void DrawPreviewImage()
{
var node = nodeView.nodeTarget as MixtureNode;
var previewRect = previewImage.layout;
previewRect.position = Vector2.zero;
switch (node.previewTexture.dimension)
{
case TextureDimension.Tex2D:
MixtureUtils.texture2DPreviewMaterial.SetTexture("_MainTex", node.previewTexture);
MixtureUtils.texture2DPreviewMaterial.SetVector("_Size", new Vector4(node.previewTexture.width, node.previewTexture.height, 1, 1));
MixtureUtils.texture2DPreviewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(node.previewMode));
MixtureUtils.texture2DPreviewMaterial.SetFloat("_PreviewMip", node.previewMip);
MixtureUtils.texture2DPreviewMaterial.SetFloat("_EV100", node.previewEV100);
MixtureUtils.texture2DPreviewMaterial.SetInt("_IsSRGB", node.previewSRGB ? 1 : 0);
if (Event.current.type == EventType.Repaint)
{
EditorGUI.DrawPreviewTexture(previewRect, node.previewTexture, MixtureUtils.texture2DPreviewMaterial, ScaleMode.ScaleToFit, 0, 0);
}
break;
case TextureDimension.Tex3D:
MixtureUtils.texture3DPreviewMaterial.SetTexture("_Texture3D", node.previewTexture);
MixtureUtils.texture3DPreviewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(node.previewMode));
MixtureUtils.texture3DPreviewMaterial.SetFloat("_PreviewMip", node.previewMip);
MixtureUtils.texture3DPreviewMaterial.SetFloat("_Depth", (node.previewSlice + 0.5f) / node.settings.GetResolvedDepth(graphView.graph));
MixtureUtils.texture3DPreviewMaterial.SetFloat("_EV100", node.previewEV100);
MixtureUtils.texture3DPreviewMaterial.SetInt("_IsSRGB", node.previewSRGB ? 1 : 0);
if (Event.current.type == EventType.Repaint)
{
EditorGUI.DrawPreviewTexture(previewRect, Texture2D.whiteTexture, MixtureUtils.texture3DPreviewMaterial, ScaleMode.ScaleToFit, 0, 0, ColorWriteMask.Red);
}
break;
case TextureDimension.Cube:
MixtureUtils.textureCubePreviewMaterial.SetTexture("_Cubemap", node.previewTexture);
MixtureUtils.textureCubePreviewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(node.previewMode));
MixtureUtils.textureCubePreviewMaterial.SetFloat("_PreviewMip", node.previewMip);
MixtureUtils.textureCubePreviewMaterial.SetFloat("_EV100", node.previewEV100);
MixtureUtils.textureCubePreviewMaterial.SetInt("_IsSRGB", node.previewSRGB ? 1 : 0);
if (Event.current.type == EventType.Repaint)
{
EditorGUI.DrawPreviewTexture(previewRect, Texture2D.whiteTexture, MixtureUtils.textureCubePreviewMaterial, ScaleMode.ScaleToFit, 0, 0);
}
break;
default:
Debug.LogError(node.previewTexture + " is not a supported type for preview");
break;
}
}
protected virtual void DrawImGUIPreview(MixtureNode node, Rect previewRect, float currentSlice)
{
var outputNode = node as OutputNode;
switch (node.previewTexture.dimension)
{
case TextureDimension.Tex2D:
MixtureUtils.texture2DPreviewMaterial.SetTexture("_MainTex", node.previewTexture);
MixtureUtils.texture2DPreviewMaterial.SetVector("_Size", new Vector4(node.previewTexture.width, node.previewTexture.height, 1, 1));
MixtureUtils.texture2DPreviewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(nodeTarget.previewMode));
MixtureUtils.texture2DPreviewMaterial.SetFloat("_PreviewMip", nodeTarget.previewMip);
MixtureUtils.texture2DPreviewMaterial.SetFloat("_EV100", nodeTarget.previewEV100);
MixtureUtils.texture2DPreviewMaterial.SetFloat("_IsSRGB", outputNode != null && outputNode.mainOutput.sRGB ? 1 : 0);
if (Event.current.type == EventType.Repaint)
{
EditorGUI.DrawPreviewTexture(previewRect, node.previewTexture, MixtureUtils.texture2DPreviewMaterial, ScaleMode.ScaleToFit, 0, 0);
}
break;
case TextureDimension.Tex3D:
MixtureUtils.texture3DPreviewMaterial.SetTexture("_Texture3D", node.previewTexture);
MixtureUtils.texture3DPreviewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(nodeTarget.previewMode));
MixtureUtils.texture3DPreviewMaterial.SetFloat("_PreviewMip", nodeTarget.previewMip);
MixtureUtils.texture3DPreviewMaterial.SetFloat("_Depth", (currentSlice + 0.5f) / nodeTarget.rtSettings.GetDepth(owner.graph));
MixtureUtils.texture3DPreviewMaterial.SetFloat("_EV100", nodeTarget.previewEV100);
MixtureUtils.texture3DPreviewMaterial.SetFloat("_IsSRGB", outputNode != null && outputNode.mainOutput.sRGB ? 1 : 0);
if (Event.current.type == EventType.Repaint)
{
EditorGUI.DrawPreviewTexture(previewRect, Texture2D.whiteTexture, MixtureUtils.texture3DPreviewMaterial, ScaleMode.ScaleToFit, 0, 0, ColorWriteMask.Red);
}
break;
case TextureDimension.Cube:
MixtureUtils.textureCubePreviewMaterial.SetTexture("_Cubemap", node.previewTexture);
MixtureUtils.textureCubePreviewMaterial.SetVector("_Channels", MixtureEditorUtils.GetChannelsMask(nodeTarget.previewMode));
MixtureUtils.textureCubePreviewMaterial.SetFloat("_PreviewMip", nodeTarget.previewMip);
MixtureUtils.textureCubePreviewMaterial.SetFloat("_EV100", nodeTarget.previewEV100);
MixtureUtils.textureCubePreviewMaterial.SetFloat("_IsSRGB", outputNode != null && outputNode.mainOutput.sRGB ? 1 : 0);
if (Event.current.type == EventType.Repaint)
{
EditorGUI.DrawPreviewTexture(previewRect, Texture2D.whiteTexture, MixtureUtils.textureCubePreviewMaterial, ScaleMode.ScaleToFit, 0, 0);
}
break;
default:
Debug.LogError(node.previewTexture + " is not a supported type for preview");
break;
}
}
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));
}
}
