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Questions tagged [post-processing]

The use of pixel-shaders to apply filters to a scene to produce various effects.

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1answer
15 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
58 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
174 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 ...
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1answer
99 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
34 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
56 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
195 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
66 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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154 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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51 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 ...
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0answers
171 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
394 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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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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0answers
693 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
5k 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
388 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 ...
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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 ...
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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
852 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), ...
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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 ...
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1answer
738 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
281 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 ...
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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 ...
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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
60 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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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
835 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
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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
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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
763 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
180 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 ...
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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
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2answers
985 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
429 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
votes
1answer
552 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
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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
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2answers
214 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
958 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 ...
5
votes
1answer
248 views

A motion blur technique which can cover curve movement path?

I am looking for a motion blur technique for real-time games. I know two techniques, velocity map and accumulation buffer. Velocity map shows very good quality, but doesn't work correctly if objects ...