Questions tagged [post-processing]
The use of pixel-shaders to apply filters to a scene to produce various effects.
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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 ...
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0answers
15 views
Post-processing shader using 3D pixel coordinates to dictate colour
I am trying to make a post-processor shader within Unity which I cannot quite crack.
Essentially I want to make a post processing shader that finds the 3D world coordinate of its associated pixels, ...
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0answers
39 views
Explanation Morgan's McGuire Screen Space Ray Tracing method
I tried to implement the Morgan's McGuire method, but my attempts failed. He described his method here: Screen Space Ray Tracing. Below is my code and screenshot.
SSLR fragment shader:
...
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1answer
56 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
26 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
49 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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1answer
166 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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34 views
Unity image effect - how to reduce or fix aliasing
I followed this tutorial Link
to create a camera depth based gradient fog image effect. The author on the site warned about possible weird aliasing and I'm wondering what could be done to improve the ...
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1answer
52 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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0answers
114 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 ...
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0answers
45 views
Quads and post processing
I'm doing post processing, different effects. In my scene however, there is overlapping happening when doing Distortion mapping. Picture below.
As you see, the distortion, or haze is on the box. But ...
2
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0answers
150 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 ...
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1answer
318 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
1k 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
2k 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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vote
1answer
1k 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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0answers
644 views
Postprocessing stack and motion blur issue
When activated motion blur with postprocessing stack, Unity gave me noitification:
Use of UNITY_MATRIX_MV is detected. To transform a vertex into view space, consider using UnityObjectToViewPos ...
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2answers
4k 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
371 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
2k 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
1k 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 ...
0
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1answer
31 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
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1answer
821 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)...
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1answer
1k 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), ...
2
votes
1answer
4k 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 ...
6
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1answer
704 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 ...
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2answers
4k views
Rorschach ink blot (aka Psychology test pictures) shader
http://www.bonnefil.com/wp-content/uploads/2013/04/rorschach_test_desktop_3904x1919_hd-wallpaper-628870.jpg
I want this magnificent pattern to be in my game. So far I have figured out...
Draw one ...
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1answer
263 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
1k 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
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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
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0answers
58 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
155 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
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1answer
813 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
241 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 ...
14
votes
1answer
3k views
How to implement fake 3D like distortion effects for a 2D side scrolling game?
I'm not certain of the proper terms to search on or even where to begin though I imagine it is some sort of post processing effect.
I've seen games like I Wanna Be The Boshy and You Have To Win the ...
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1answer
724 views
Render scene twice in OpenGL, overlay second render with tranparency
Is it possible to render two scenes (same scene with different setups) without any alpha, and after that is done just overlay the result from the second render on top of the first layer with a static ...
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1answer
179 views
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1answer
2k views
How to use FrameBuffer objects (OpenGL)
I want to draw a 2D scene and after the scene i want to draw some light effects.
When i draw some light, i create a FBO, draw in it and when finished with drawing, i want to create a texture where i ...
1
vote
1answer
58 views
2 Images, same object: tone difference and alignment
I would like to know a software which helps in post-production to calculate the general color/tone difference of 2 images. The images contain the same object, but arn't shot from the same position. ...
7
votes
2answers
953 views
How many rendering passes is “normal”?
I've been implementing John Chapman's method for SSAO (an excellent tutorial by the way), and I've completed it all minus the final part: blurring it. I believe this is what the entire process should ...
0
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1answer
417 views
HLSL postprocessing for day to night (DTN)
I am trying to implement a "day-to-night"-filter (as commonly used in cinema) for a 2D game (XNA) by using a full screen HLSL pixel shader. The aim is to transform any bright and colorful image into a ...
6
votes
3answers
1k views
What Shading/Rendering techniques are being used in this image?
My previous question wasn't clear enough. From a rendering point of view what kind of techniques are used in this image as I would like to apply a similar style (I'm using OpenGL if that matters):
...
2
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1answer
505 views
How can I get post-processing effects with pygame?
I'd like to be able to make the screen like blurry and wavy, like when a player enters a portal in Minecraft.
How would I make this with pygame?
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1answer
5k views
HLSL Gaussian blur pixelshader: blur is not occurring
I am trying to use postprocessing to create a gaussian blur, however, no blur is to be seen, what am I doing wrong?
I have included the full code at the bottom of this post in a google docs link, but ...
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1answer
5k views
HLSL grayscale pixel shader: How to get the original colors of the model?
The following code gives me a completely black colored model, while it should be a model shaded in greyscale:
...
5
votes
1answer
2k views
How to create heat haze effect in Libgdx?
I would like to create a heat haze effect for a 2D game I am making.
Do You have ideas or suggestions, how to get that effect. I am using Libgdx(OpenGL 2.0).
Thank You in advance!
4
votes
2answers
213 views
When to apply AA as post?
I'm working with a deferred shading technique. I have diffuse, normal and depth buffers, which I combine for the final scene composition. Where and when exactly do I apply an anti-aliasing pass (such ...
2
votes
1answer
2k views
Workaround for reading and writing same texture?
To apply post effects, it is often needed to read the preliminary image, perform computations on its pixels and store the result in the same texture again. For example, think of a tone mapping or ...
4
votes
1answer
949 views
Full-screen post-processing and texture size
I am newbie writing a post-processing code for mobile devices, and asking some trivial, conventional solution for a specific problem.
AFAIK, post-processing in OpenGL is trivially done with FBO bound ...
