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Shaders related! [1.19.2]


ixDarkLorD

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I'm having trouble finding a way to access uniforms in the shader programs.

What I'm trying to do is when there is an active post-effect I need a way to access the program's uniforms with codes in order to make changes in real-time.
 

public static void activeShader(ResourceLocation shader) {
  var renderer = Minecraft.getInstance().gameRenderer;
  renderer.loadEffect(shader);
}

 

"shaders/program/testing.json"

{
  "blend": {
    "func": "add",
    "srcrgb": "one",
    "dstrgb": "zero"
  },
  "vertex": "sobel",
  "fragment": "darklight:testing",
  "attributes": [ "Position" ],
  "samplers": [
    { "name": "DiffuseSampler" },
    { "name": "PrevSampler" }
  ],
  "uniforms": [
    { "name": "ProjMat",  "type": "matrix4x4", "count": 16, "values": [ 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0, 0.0, 0.0, 0.0, 0.0, 1.0 ] },
    { "name": "InSize",   "type": "float",     "count": 2,  "values": [ 1.0, 1.0 ] },
    { "name": "OutSize",  "type": "float",     "count": 2,  "values": [ 1.0, 1.0 ] },
    
    { "name": "VoidSize",  "type": "float",     "count": 1,  "values": [ 1.0 ] }
  ]
}

 

Edited by ixDarkLorD
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  • ixDarkLorD changed the title to Shaders related! [1.19.2]
18 hours ago, ixDarkLorD said:

What I'm trying to do is when there is an active post-effect I need a way to access the program's uniforms with codes in order to make changes in real-time.

You can make changes to the shader json realtime anyways by just reloading the assets with F3 + R iirc. If you want to set the uniforms manually, you can grab them from the ShaderInstance via #getUniform and then calling #set.

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