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Accessing texture data efficiently

Unity Blog

Learn about the benefits and trade-offs of different ways to access the underlying pixel data of textures in your Unity project.

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Learn How To Get Data From API in Unreal Engine 5 by Building a Virtual Art Gallery

DameDev.tv

In today's post, I'd like to show you how to retrieve an image provided by The Art Institute of Chicago via its public API , how to create a texture from this image, and how to feed this texture to a material and render it on a plane accompanied by a floating text with title, name of the artist and some other details.

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Practical Tips for Optimizing Ray Tracing

Nvidia

This starts from mesh instance selection and their data. This starts from mesh instance selection and their data processing towards optimized tracing and shading of every hit that you encounter. Instance data generation. It may be a good idea to perform static and dynamic object data processing in parallel on the CPU.

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Comparing BCn texture decoders

The Astronauts

PC GPUs use “BCn” texture compression formats (see “Understanding BCn Texture Compression Formats” by Nathan Reed or “Texture Block Compression in Direct3D 11” by Microsoft). Why would you want that? After all, isn’t that done by the GPU, magically and efficiently? Normally, yes.

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Cocos Shader Tutorial 1.0 - about UV

Cocos

The vertical axes of textures and picture pixels is shown above, when sampling textures in shaders, that is from top to bottom, which is top-right corner. This is consistent with how most image file formats store pixel data, and with how most graphics APIs work (including DirectX, Vulkan, Metal, WebGPU, but not OpenGL).

Shaders 98
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Cocos Creator 3.8 Post-Process Shader Writing (2/2) Advanced

Cocos

Simply put, Gaussian blur takes every pixel on an image and processes it with the following process. To put it bluntly, it’s a simple weighted sum: while sampling the target pixel, sample some of the surrounding pixels and give each pixel a weight (the sum of the weights is 1.0). setPassInput(input, 'outputResultMap').addRasterView('GaussianBlurMap_TMP',

Shaders 98
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Introducing the Betsy GPU texture compressor

Mircosoft Game Dev

x branch of Ogre aka ogre-next and I wrote Betsy, a GPU texture compressor that runs on GPUs. This work was commissioned by Godot Engine through the Software Freedom Conservancy to solve a major complaint: importing textures is excruciantly slow and takes many minutes. What is texture compression and why you care. ktx A.etc2.ktx

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