I’d love to get some guidance on how to approach the following scenario: I need to be able to load an image texture over the network, manipulate its pixel data, and then use the resulting image as the property of a material. The specific use case is transforming an RGB image to grayscale (using som…

The outlined approach is correct. In step 2, you normally want to apply the shader material to a plane mesh and then render with an orthograpic camera. I suggest you are using this setup: mrdoob/three.js/blob/e48fc94dfeaecfcbfa977ba67549e6108b370cbf/examples/webgl_shader.html#L81-L85 …

Create texture from image + shader

Questions

prisoner849 April 3, 2021, 5:11pm 6

Ah! In this case, yes, you better use two scenes.
I did something similar here: LightNoise (selective bloom + noise) With the using of a generated heightmap.

1 Like

Topic		Replies	Views
Bake glsl shader into a Texture? Questions textures , shaders	3	1553	December 5, 2022
Pass renderer output as input texture to next frame interation Questions post-processing	2	3195	November 21, 2018
Using shader material as texture Questions rtt	1	1175	September 19, 2021
[Solved] How can I render a shader to a render target? Questions post-processing , render-target	7	4378	March 25, 2021
Generate custom texture and use in material Questions textures	9	810	September 3, 2021

Create texture from image + shader

Related topics