Version: 2019.4
OpenGL Core
Graphics performance fundamentals

Graphics performance and profiling

This section contains information on understanding and improving renderingThe process of drawing graphics to the screen (or to a render texture). By default, the main camera in Unity renders its view to the screen. More info
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performance.

Page Description
Graphics performance fundamentals The fundamentals of understanding and improving rendering performance in Unity.
Draw call batching Techniques for improving how Unity “batches” the data it sends to the GPU, to improve rendering performance.
GPU instancing Techniques for efficiently drawing multiple copies of the same meshThe main graphics primitive of Unity. Meshes make up a large part of your 3D worlds. Unity supports triangulated or Quadrangulated polygon meshes. Nurbs, Nurms, Subdiv surfaces must be converted to polygons. More info
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on the GPU, to improve rendering performance.
The Rendering Statistics window How to use the Rendering Statistics window.
The Frame Debugger window How to use the Frame Debugger window.

Further resources

OpenGL Core
Graphics performance fundamentals