Questions tagged [rendering]

The process of generating an image or series of images from a model by means of computer programming.

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Rendering large objects beyond far clipping plane

Is it possible to force rendering of an object that's beyond the far clipping plane? For example, more realistic "space" rendering, where a large mesh such as a planet should be rendered ...
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What's the difference between post-processing, multi-pass rendering and compositing?

I initially thought that the word "post-processing" referred specifically to the set of techniques aimed at improving a rendered image (like antialiasing, depth of field, bloom and others) ...
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Unreal HLSL semantics

We have some HLSL shader code that uses the predefined shader semantics TEXCOORDX to map input streams. We now want to support Unreal as rendering back-end and see ...
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Desynchronizing MonoBehavior's "Update" from the overall app or UI Toolkit graphic output rendering in Unity?

Is it possible to desynchronize Application.targetFrameRate and Monobehavior's Update() from the graphics output rendering rate ...
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Render Queue Sorting - Best method for generating sorting IDs

I'm trying to implement a method for sorting my renderable items before drawing them into screen. To do so, I have been tinkering with the idea of using an 64 bit key to store the state of each ...
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Make a game with libgdx using only single shapes

I would like to make a simple game that uses only simple shapes to represent the game objects. like circles, rectangles, etc. What is the best way to do this? What I tried: Draw the points in a ...
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Multiple viewport resizing

I wonder how multiple viewports are handled in engines in terms of render targets buffers. Especially in the case of their resizing (for example changing the size of windows/viewports in Editor dock ...
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Decal Projector equivalent in unity's standard shader pipeline

I have a script in my Unity project that creates glowing outlines around objects when highlighted in a scene. The shaders don't work properly with the URP or HDRP. However, I want to create a move ...
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LWJGL removing voxel faces that are not visible

I am simply trying to achieve removing voxel faces that are not visible.What I have coded simply renders a chunk of 16x16x16. I already have back face culling enabled, which it does work. so as I'm ...
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Unity URP Water Shader working in Scene View, in the Preview Window... but all white in Game View?

I downloaded an URP compatible Water Shader from the asset store. First I tried it with 2022.1 but for some reason while in Scene View it looked great, in Game View it's all white. (Sometimes a watery ...
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SpriteRenderer shows stripe artifacts in build

The sprite renderer can render the sprite correctly in the Unity Play mode, but when I build the game, it can't render the sprite correctly, and there are stripes on the sprite. Here are the ...
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Handling pipeline objects in both DX12 and Vulkan like graphics APIs

I have been using OpenGL and Directx11 extensively for my engine. The thing is, when I wanted to support DX12 or Vulkan, I realized that they collect all the state data in one place, removing the ...
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How to calculate geometry term from "Multi-Scale Global Illumination in Quantum Break"?

In presentation "Multi-Scale Global Illumination in Quantum Break" from SIGGRAPH 2015, on slide 105, they present concept of geometry term, which is used to help with light leaks in volume ...
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Not being able to display pygame.freetype text

I'm trying to make a game where the player has to dodge asteroids coming, and I'd like to display the lives. I looked up some tutorials and decided to settle on pygame.freetype. When I run the code ...
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3D Illusion of a 2D Planet with buildings

I recently came across an interesting post on how to create the illusion of a 3d planet using 2d graphics, here it is: link It is not very difficult to create the planet itself, you add a circle, then ...
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The performance gains of tiled rendering on mobile

I'm making an OpenGL es app on android and I'm trying to improve the performance of it. I found this technique called tiled rendering (not the same thing as tiled deffered rendering*) wich divides the ...
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1 answer
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Determine if a triangle is on the screen

I am working on a small software renderer, and I want to discard invisible triangles from the drawing process. Let's say I have a screen with resolution of 200x100 pixels. The triangle is defined with ...
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What's the difference between Unity3D rendering pipeline and OpenGL rendering pipeline?

I wanted to write small software renderer that will follow almost the same flow as OpenGL does, but got stuck with understanding of the rendering pipeline. After reading tons of info across the ...
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Why do I still get values from _CameraDepthTexture even if I didn't set depthTextureMode?

I forgot to write this C# code to enable depth from my camera: ...
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1 answer
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rendering the position of a mesh in a shader as a color, but the color does not match the actual position

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Camera not rendering to rendertexture inside class

I have an issue where I created a class to generate a lightprobe atlas texture for me, but the camera don't seem to render properly into teh rendertexture, I have no idea why... someone can help me ...
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Draw and render a sequence of 3D models with OpenGL

I have an application that will generate a 3D model for a dynamic 3D object (3D mesh + texture formatted as .obj file) at a time, so I end up getting a stream of 3D models (or 4D models?), and I want ...
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Trying to write to GL_R16UI buffer, but everything is zero

I've written some render data to an offscreen RGBA texture, and it works. However, I don't need a full 32 bits to hold this data, so I wanted to convert to a 16-bit buffer where I can just write ...
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Inward looking panorama

I have a 3d model with very complex geometry. I want to bake these details into a texture map. I want to transfer the rendered image of the model to a low poly version. It is like a panorama, but the ...
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Unity UI Line Rendering (UILineRenderer) pixelated

I'm using UILineRenderer to draw curve of the map. The one thing I'm finding is that the drawing is pixelated despite adding more data points. setting the quality in game view to 4K UHD, and ...
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How can transparency be implemented in a Minecraft-like game without sorting the vertices?

I'm working on a minecraft clone with OpenGL and I've been trying to implement the rendering of textures with transparency for several days now with out succes. What techniques can be used to achieve ...
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Does OIT Rendering work for semi-transparent textures with opaque parts?

I'm Work ing on a minecraft-like game (in OpenGL with c++) and I'm tryping to Implement Transparency for Blocks like windows, ice, leafs and water. I've tried to implement Weighted Blended Order-...
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What is the correct way to combine transforms together?

I have a type called transform in my game engine: ...
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How to get rid of gradient shading on the bottom of grass

I've been using Unity's terrain system and a Vegetation Spawner asset (https://assetstore.unity.com/packages/tools/terrain/vegetation-spawner-177192) to make some terrain for my game. While using the ...
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Cellular Automata rendering

I am developing a Java game in my free time. The world/map consists of different kinds of cells: wood, snow, water, etc. The player can walk around and manipulate the terrain/cells with tools. ...
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How to get rid of these seams on the lightmap? ( Unity )

The wall is made of blocks of identical wall models with the same UVs. How to get rid of these seams on the lightmap? How I made this scene with this models: I made 3D model of the wall element in ...
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simple button color change

Hello i want to create a simple button that activates on a click but my code wont activate and I've tried an print plus a color change of the sprite but none of these worked, the button is a image ...
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1 answer
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Unity Editor Hangs for A Fraction of A Second About Once Per Second

I am having a problem with the Unity Editor. It hangs for a fraction of a second about once per second. I took a video recording of me walking through the default hdrp scene. https://youtu.be/...
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Why Area light looks like Circle light? ( Unity )

All my Area light with Rectangle shape but after baking I get this circle shape ligh. Why?
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Do I need to disable shadow casting and Recieve shadows settings if the object is baked in Lightmap?

I baked a lightmap with Subtractive mode. Do I need additionaly disable Casting shadow and Receive shadows settings to protect against unnecessary waste of resources&
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How to implement a generic modular render pipeline?

In my project (based on libGDX) I use an ECS system (Ashley). Each graphical entity has a SpriteComponent that is a TextureRegion. There is a rendering system that iterates over all SpriteComponents, ...
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Why are URP render settings limited in terms of rendering light sources? ( Unity )

The amount of simultaneous rendering of multiple lights is not just limited, it is severely limited. Do more than 8 light sources affect the performance so much?
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1 answer
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How to enable more than 8 light sources in URP?

My location in the scene is the Bunker, there are many light sources in the form of wall lamps. There are more than 8 of them. Therefore, you need to be able to render more than 8 lights in the scene. ...
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Unity can't render more when 3 light points. Why?

YouTube video with demonstration of problem. When I move the camera, Unity keeps rendering one light point and stops rendering another one. But as a result, only 3 can be rendered. Why is this ...
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1 answer
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Rendering Unreal Engine 4 sequence: character timeline animations don't show, and behave as if they are in play mode

I have a cinematic sequence with camera cuts set up that can be previewed properly. These scenes involve human skeletal character animations that I made frame by frame in the timeline. Everything ...
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1 answer
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Broken back face culling

I have an issue with back face culling in my engine on the monkey model from Blender exported as .obj format. However, with the box model from Blender exported the ...
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What are the benifits to Unity's SRP vs Built-in render pipeline

I understand that unity claims the SRP is "more customisable" because you can program it with c# scripts, but is there anything the SRP can do that Built-in cannot, is it possible to achieve ...
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How to connect lightmap textures to scene?

I am working through GIT. I created a level and a lightmap for it, but in subsequent commits, the lightmap textures seem to have lost touch with the scene. The scene was not particularly changed, the ...
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Rendering Objects with dynamic data in OpenGL

I am currently working on a OpenGL Renderer in C++. I have created a base Object class that looks a bit like this: ...
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How to make render texture grayscaled?

I have made a minimap, but I don't know how to make it less colorful and haven't find any solution for this.
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How to effectively manage multiple dynamic objects in OpenGL

Im at the point in the development of my game where I want to start rendering multiple objects on the screen and update them independently. There are two concepts I can think of to manage this. Each ...
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SFML: Object's shape not rendered on the window [closed]

I want to be able to render sf::CircleShape (representing pointwise charges) when pressing mouse buttons on the window. The problem is easy enough, however the ...
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0 votes
1 answer
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Why is the Unity pixel color read from RenderTexture bigger than 1?

The pixel color component read from the Unity renderTexture is bigger than 1.0 without HDR environment map. I'm writing a mini program to test the reflectance of Unity PBS. I use six pure white (1,1,1,...
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Where does this orange tint come from after baking LightMap?

My settings: Unity version - Unity 2021.1.12f1 Lightmap Lighting Mode - Bake indirect Render Path - URP All Objects in Scene are marked as static. If you move objects aside, then under them there is ...
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Changing Ambient Light settings in Environment window does not affect scene after baking LightMap

My settings: Unity version - Unity 2021.1.12f1 Lightmap Lighting Mode - Bake indirect Render Path - URP I want to change Ambient Light in Environment window while I have baked LightMap. Is it possible?...

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