Texturing pipeline

Introduction

Textures in game art serve a fundamental role. They help create immersive worlds that players can engage with on a visual and emotional level. Through the process of texturing, artists turn simple 3D shapes into believable objects that match the tone and style of a game.

A well-crafted texture can transform a flat, unshaded model into a rich and engaging part of a virtual world. Surfaces gain depth, materials look convincing, and environments feel more alive. This process helps define how players interpret and connect with the game’s visual design.

In games, the texturing pipeline is the structured workflow that turns a 3D model into a finished, game-ready asset. It usually involves several stages, including modelling, UV mapping, baking, texturing, material setup, and integration into a game engine. Each stage ensures the model is efficient, visually appealing, and ready for real-time rendering.

This guide explains each stage of the pipeline, from preparing models and creating UVs to applying materials and testing in-engine. It also includes sources and examples that show how professional studios work through this process.

The main stages are:

Model preparation – ensuring the 3D model is clean, optimised, and ready for texturing.
UV mapping – unwrapping the 3D model so a 2D texture can be applied correctly.
Baking – transferring details from a high-quality model to a lower-quality one using texture maps like normal or ambient occlusion.
Texturing – painting and generating materials that define the model’s surface properties, such as colour, roughness, and metalness.
Integration – importing the textured model into the game engine, applying shaders, and testing how it looks under different lighting conditions.
Optimisation – adjusting textures and materials to balance visual quality with game performance.

Understanding this process is essential for anyone who wants to work in 3D art or game development. It connects artistic skills with technical knowledge and ensures that assets look professional while still performing well in a real-time game environment.

Model Preparation

This stage focuses on making sure the 3D model is clean, optimised, and ready for texturing.

Check topology: Faces should be quads where possible and evenly spaced.
Clean geometry: Remove extra edges, holes, or non-manifold geometry.
Apply transformations: Make sure the model is the correct scale and orientation.
High-poly and low-poly versions: A high-poly model holds sculpted detail, while the low-poly version is used in the game.

A well-prepared model helps prevent shading and texture problems later in the pipeline.

Fixing Topology

2. UV Mapping

UV mapping is the process of unwrapping a 3D model into a flat 2D image that a texture can be painted onto.

Unwrap the model: Create UV islands that match the model’s shapes.
Avoid stretching: Ensure each island has even spacing and scale.
Pack the UVs: Arrange UV islands to make full use of the texture space.
Check texel density: Keep texture resolution consistent across the model.

A clean UV layout prevents distortions and ensures the texture fits perfectly.

Maya UV's

3. Baking

Baking transfers details from the high-poly model onto the low-poly model using texture maps.

Normal maps capture surface detail like scratches or bumps.
Ambient occlusion maps show areas where light is blocked.
Curvature maps highlight edges and corners.

These maps make the low-poly model look more detailed without adding extra geometry.

Texturing Terms

High Polly to Low Poly Baking

4. Texturing

Texturing is the creative stage where you paint or generate the surface look of your model.
Most modern pipelines use PBR (Physically Based Rendering), which simulates real materials accurately in game engines. Common texture maps include:

Albedo (Base Colour): The main colour information of the material.
Metallic: Defines which parts are metal.
Roughness: Controls how shiny or matte a surface appears.
Normal: Adds small surface details.
Height or displacement: Adds depth or raised surfaces.

Artists often use software such as Substance Painter, Quixel Mixer, or Photoshop.

Tips:

Use real-world/game reference images.
Keep textures at an appropriate resolution (for example, 1k, 2k, or 4k).
Stay consistent with the game’s art style.

Substance Painter

5. Integration

Once your model is textured, import it into a game engine such as Unreal Engine or Unity.

Import the model and textures as separate assets.
Create materials using the correct texture maps in the engine’s material editor.
Check lighting to see how your material reacts in the scene.
Test for issues such as seams, missing maps, or wrong scale.

This stage connects your 3D work to the game environment. It is also a good time to check that materials match the game’s overall style and performance requirements.

UE5 Importing Models

6. Optimisation

Games need to run smoothly, so artists often reduce texture sizes or simplify materials.

Use texture atlases to combine multiple textures into one.
Create LODs (Levels of Detail) for models to reduce detail at a distance.
Check draw calls and performance using the engine’s profiling tools.

The goal is to find a balance between visual quality and performance.