Questions tagged [post-processing]
The use of pixel-shaders to apply filters to a scene to produce various effects.
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Unity gizmos with custom renderer
Im working on a small project to learn the basics of post-processing, shaders and other effects in Unity.
My project is in 2D, so I followed this Brackey's tutorial and this tutorial. The bloom effect ...
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1answer
39 views
How to capture image from camera with post effects? Mysteriously only get emission(?) pass
I have a separate camera from my main camera, whose purpose is to take screenshots, or render a "live feed" of the action, at different angles. Hierarchy as such:
The game object labeled ...
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1answer
19 views
How to create a LUT from original and processed images (not perfectly the same)?
I would like to create a certain LUT for my game in Unity.
The usual way would be to take a screenshot in your game, process this screenshot in an image editor like Photoshop / GIMP and then calculate ...
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Unity post processing Bloom lags on mobile
I made my (first) game today and noticed, that it looked kind of boring, so I decided to add some bloom to my camera and it was looking waaay better. The only problem was the performance, it dropped ...
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1answer
99 views
How to create a color grading LUT for Unity URP?
I'm watching a movie, and I would like to achieve the same colors in my game.
I think I have to use a Color Grading lookup table to achieve this in Unity with URP.
The best example I found example ...
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can no longer drag post processing profile into CenterEyeAnchor in OVRCameraRig -> TrackingSpace, is there an alternative step?
The video https://youtu.be/gh4k0Q1Pl7E?t=120 shows a step where I need to drag a newly created post-processing profile into the ...
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1answer
41 views
URP PostProcessing doesn't work?
I'm trying to get postprocessing work again after updated to URP. But it does not work !!
Could anyone help me with any solution or clue ?
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How to manipulate PostProcessing effects settings during execution with c#?
I need to change the intensity value of my current Vignette effect depending in specific conditions.
So far I haven't been able to achieve this. Please help!
Image of what I want to achieve:
My ...
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34 views
How can I sample from a normal distribution in HLSL?
I need to 'distort' individual pixels inside a compute shader node of an Unreal material. Specifically, the pseudocode for this per-pixel operation looks as follows.
...
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104 views
After a postprocess effect, can I output a list of all non-zero pixel locations without having to save the entire image?
I am trying to simulate what's known as an 'event camera' in Unreal. Unlike conventional cameras that output full frames, event cameras return the locations of pixels where activity is detected - see ...
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120 views
Post processing effects not visible on mobile apk build
While setting up post processing on a project that I am currently working on, I discovered that post processing effects are not visible on the apk build on mobile.
I setup a new Project with URP on ...
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Can I “subtract” the current image from a previous one inside a UE material?
In Unreal Engine, I am trying to create an effect that essentially involves the following operation: If I have an image at time instant t, I want to compute the per-pixel difference between that image ...
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1answer
294 views
No AA support in Godot 3.1?
I'm using Godot 3.1.1 and just realized that there is no available AA options. According to some post, Godot 2 supports FXAA, but some reason it's took out from 3. So I try to get FXAA for Godot 3.1, ...
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31 views
How to add ambiant occlusion to a mesh created by script
We created a mesh point by point with a script (a huge mesh), and we would like to add ambiant occlusion to this mesh.
We use Unity 2019.1.6 and the LWRP template.
we already tested the unity ambiant ...
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0answers
23 views
Upgraded to Unity 2018.4.6f1, many cameras, some with deferred rendering, surfaces now render as white. Very baffling
We have a rather conventional set up to start with:
...
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1answer
67 views
Downscaling texture via mipmap [closed]
Copied from Computer Graphics SE.
I am implementing a post-processing effect in my DirectX 11 pet renderer. The post-processing pass is implemented by rendering a full-screen quad covered with ...
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0answers
118 views
How can I make a tendril flame like aura visual effect?
I am a bit new to UE4 and I'm trying to get a tendril flame like aura like the picture below.
Does anyone know how I would go about this?
Should I use post processing or particles?
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1answer
138 views
How to create post-processing effects in Slick2D?
As I get closer and closer to the end of the feature development for my game and the beginning of the graphical overhaul, I keep thinking of ideas for graphical effects that would make my game even ...
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1answer
24 views
Unity is Creating Black Boxes when I look around
Please help me with this issue. I believe it came about after I finished tweaking post processing behavior in a minor way. If anyone has any idea please share it. I tried to rebake lighting on both ...
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0answers
1k views
Using Unity Post Processing v2, how can I apply processing effects to just the UI?
I am using Unity 2018.3 with HDRP 4.9, and Post Processing 2.1.3.
I would like to apply post processing effects (i.e bloom) to the UI only.
I tried the 2 camera approach, but still can't get it ...
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0answers
1k views
Post-Processing effects not visible with LWRP in Unity3D
I'm are running into an issue when setting up Post-Processing effects for the new Lightweight render pipeline.
Post-processing effects are visible in scene and Game view, but not in Play mode.
The ...
1
vote
1answer
427 views
Noise when using SSLR (Screen Space Local Reflections)
When I tried to apply reflections to my scene, I ran into the problem of noise:
My fragment shader code:
...
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1answer
84 views
Unity : Post Processing without playing
I have attached a post processing profile to my main camera for bloom and other similar effects. I know that when the game is running, the post processing works as I can see its effects. However, is ...
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1answer
293 views
New Unity Post Processing - Default Project '3d With Extras' - What effect is causing this transparency in distant objects?
I've recently seen in Unity you can start a new project with Extras included. Which is basically some post processing to make it look nicer as standard, as well as some assets/materials etc to get you ...
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2answers
392 views
2.5D platformer how to darken building edges?
I was wondering how I could go about creating a vignette type effect / some sort of volumetric shadow for the 'cross section' parts of a 2.5D level. The effect I'm going for can be seen in 'This war ...
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1answer
155 views
Opengl Postprocessing draws only white
I'm currently trying to implement post processing into my project.
First I configure my framebuffer:
...
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235 views
How can I achieve a 'warm' scene in Unity using post processing effects?
I've recently fallen inlove with this Cozy Tavern scene by Beholder, and am looking to replicate it's feel the best I can in unity as a learning exercise.
A lot of the scene's depth is added through ...
2
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0answers
238 views
Improve bloom quality
I'm trying to understang how can I improve bloom effect quality using all known to me optimizations.
Currently I'm making it as follows:
Create new texture using some threshold to extracts areas ...
0
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1answer
765 views
Unity Ambient Occlusion not working with Orthographic camera
It seems like the Ambient Occlusion setting from the Unity Post Processing stack (obtained from the asset store) only works with a Perspective camera, yet I haven't ...
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0answers
2k views
HDR bloom techniques using post processing in Unity3D
I've seen many posts on how to accomplish HDR bloom effects in Unity3D using its (now legacy) Bloom component as part of the standard assets package.
I'm trying to replicate it using the new post ...
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1answer
3k views
Unity - blur on one camera effects the other as well
I'm trying to fake a DOF effect for Sprites by using 2 cameras, one for the sharp objects, one for the blurred ones. I have set up the layers like Blur and Sharp accordingly.
So I have these 2 ...
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1answer
2k views
Unity - blur only selected layers [duplicate]
I'm messing around with Unity 2017's post processing tools while making a 2D game that benefits from the parallaxing effect using a perspective camera.
Please note that the game is mostly made using ...
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2answers
7k views
How to make a GameObject ignore a camera effect?
I have a 2D game and I wanted to apply bloom to the main GameObjects so I attached the effect onto the main camera, however the background also gets affected by the bloom and it gets all shiny. How ...
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1answer
484 views
Replicating a worldspace sphere on screen space
I have quite some struggle with a post processing shader that I'm working on.
I use Unity, and I have a shader in which I want to, in screen space as part of post processing, render a sphere that ...
7
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1answer
3k views
Depth Peeling implementation problem: How to render the next layer? (OpenGL)
I try to implement order-independet transparency sticking to the pseudo code in the linked paper (page 4). I can't figure out how they are able to do this in OpenGL.
I am rendering the scene two ...
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1answer
2k views
Global PostProcess in UnrealEngine 4.10.2
I am new to UnrealEngine and following few tutorials to get started with.
I am trying to find "Global PostProcess" (in World Outliner) in UnrealEngine 4.10, but I am not able to find it. Has it been ...
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1answer
32 views
Is it possible to fake momentum by tracking an objects last known positions?
Basically I am making a melee combat system. I want to be able to apply force based on where/how things are hit.
I am NOT using physics simulations for this, which is why I cannot just rely on that.
...
4
votes
1answer
1k views
How to reduce color space in a post-processing material in Unreal Engine 4
I'm trying to get an old-school Quake 1 look going in UE4.
I am currently using this blueprint in order to get a retro style large pixel filter.
In game (might need to zoom in to see the difference)...
0
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1answer
2k views
Unity3D - post-process unwanted on UI
I have scene rendered with a single camera using target texture (a).
Second camera is used to render UI and using same target texture (a) as the first one.
Third camera takes target texture (a), ...
3
votes
1answer
6k views
Pixelation shader explanation?
I was looking for a pixelation shader for my postprocessing and came across this shader snippet - Works pretty well! - Not a whole lot of explanations on how it works except for "Pixelation is process ...
7
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1answer
990 views
How do I counteract FXAA blur?
FXAA is a cheap post processing anti-aliasing method which works great with deferred pipelines where traditional MSAA may not be a viable option. It's also easier to implement than alternatives such ...
12
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2answers
5k views
Rorschach ink blot (aka Psychology test pictures) shader
(source: bonnefil.com)
I want this magnificent pattern to be in my game. So far I have figured out...
Draw one side, then render it twice left and right.
How do I render this pattern on one side? ...
0
votes
1answer
301 views
Problem with SSAO
I'm trying to implement SSAO based on this tutorial (and other). My setup:
XNA 4.0
Deferred
depth = z/w
This is result:
Lines across buildings are moving when I move camera.
So I'm wondering is ...
4
votes
2answers
2k views
Discoordinated Chromatic Aberration Effect
The game Teleglitch heavily utilizes the CA effect with screen distortion.
I am trying to achieve this effect.
Issue 1. How to not apply the effect onto the floor? (solved)
They render the screen ...
9
votes
1answer
2k views
Tone mapping and eye adaptation - pale colors and darker image
I'm trying to implement tone mapping along with eye adaptation and HDR. Actually I implemented this already but I'm not satisfied with result and I think that I made something wrong.
My final image (...
2
votes
0answers
67 views
postprocessing shader destroying viewport on linux?
Basically I implemented gamma correction into a q3 based game to get rid of the annoying SetDeviceGammaRamp.
On windows and macosx everything works fine, but on linux it draws garbage. It looks like ...
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vote
1answer
163 views
What's wrong with my method of getting intermediate rendering to my postprocessing shader?
I'm working on a project in OpenGL. Earlier this week, I successfully implemented Deferred Shading, but I'm not sure how to pass the information from the Deferred Shader to the Post Processing Shader. ...
2
votes
1answer
962 views
How can I create a screen-space distortion effect?
I am trying to create a screen-space distortion effect using shaders. This image demonstrating the effect I'm after is from Nvidia:
Let's consider that I have access to the background texture. How ...
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1answer
243 views
how to turn (or solidify) water or fuild into solid material (Renderring Effect)
i want to implement an effect like this. for example, let's assume the clay are made of particles. liquids of clay flows for a while, then it becomes dry and rest.finally those particles becomes only ...
3
votes
2answers
3k views
Fast fullscreen quad rendering in Direct3D 11?
For the last few weeks, I've been trying to port a DX9 implementation of HDR rendering (tone mapping, bloom, stars, etc.) over to DX11. I believe I've got all features working but I'm not getting good ...
