5,321
edits
WebGL: Difference between revisions
→Pass floats as textures
| Line 11: | Line 11: | ||
===Pass floats as textures=== | ===Pass floats as textures=== | ||
[https://developer.mozilla.org/en-US/docs/Web/API/OES_texture_float Reference]<br> | |||
[https://stackoverflow.com/questions/39136068/how-to-use-the-oes-texture-float-extension-and-create-a-texture-as-a-floating-p/39149111#39149111 Example]<br> | |||
Oftentimes, you'll want to pass large arrays into your shader.<br> | Oftentimes, you'll want to pass large arrays into your shader.<br> | ||
If you use uniform arrays such as <code>gl.uniform1fv</code>, you'll be limited to 1024 uniforms [https://stackoverflow.com/questions/50032570/passing-large-array-into-uniform-in-webgl].<br> | If you use uniform arrays such as <code>gl.uniform1fv</code>, you'll be limited to 1024 uniforms [https://stackoverflow.com/questions/50032570/passing-large-array-into-uniform-in-webgl].<br> | ||
If you're using WebGL 2, you can use [https://www.khronos.org/registry/webgl/specs/latest/2.0-compute/ compute shaders]. | If you're using WebGL 2, you can use [https://www.khronos.org/registry/webgl/specs/latest/2.0-compute/ compute shaders]. | ||
Note this is built into WebGL 2. | |||
===Fetching Texels=== | ===Fetching Texels=== | ||