dyuri/repa-shader
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3d texture min size should be 16x16x16...

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This commit is contained in:
Gyuri Horák 2023-03-23 13:47:51 +01:00
parent 8ae0907fda
commit 0fb709ff7c
Signed by: dyuri
GPG Key ID: 4993F07B3EAE8D38
1 changed files with 23 additions and 23 deletions
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46
src/repa-shader.js
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@ -289,34 +289,34 @@ class RepaShader extends HTMLElement {
this._gl.texParameteri(this._gl.TEXTURE_3D, this._gl.TEXTURE_MAG_FILTER, this._gl.NEAREST);
this._gl.texParameteri(this._gl.TEXTURE_3D, this._gl.TEXTURE_WRAP_S, this._gl.CLAMP_TO_EDGE);
this._gl.texParameteri(this._gl.TEXTURE_3D, this._gl.TEXTURE_WRAP_T, this._gl.CLAMP_TO_EDGE);
this._gl.texParameteri(this._gl.TEXTURE_3D, this._gl.TEXTURE_WRAP_R, this._gl.CLAMP_TO_EDGE);
// ???
this._gl.texParameteri(this._gl.TEXTURE_3D, this._gl.TEXTURE_BASE_LEVEL, 0);
this._gl.texParameteri(this._gl.TEXTURE_3D, this._gl.TEXTURE_MAX_LEVEL, 0);
let size = 32;
let t3data = new Uint8Array(size * size * size);
for (let i = 0; i < size; i++) {
for (let j = 0; j < size; j++) {
for (let k = 0; k < size; k++) {
let index = i * size * size + j * size + k;
t3data[index] = (i * j * k) % 255;
}
}
}
this._gl.texImage3D(
this._gl.TEXTURE_3D, // target
0, // level
this._gl.R8, // format - red8 (1byte)
3, // width
3, // height
3, // depth
size, // width
size, // height
size, // depth
0, // border
this._gl.RED, // format - red
this._gl.UNSIGNED_BYTE, // type - unsigned byte
new Uint8Array([
0, 0, 0,
0, 127, 0,
0, 0, 0,
0, 127, 0,
127, 255, 127,
0, 127, 0,
0, 0, 0,
0, 127, 0,
0, 0, 0,
127, 0, 127,
0, 0, 0,
127, 0, 127,
]) // data
t3data // data
);
this._textures3d = [];
@ -324,9 +324,9 @@ class RepaShader extends HTMLElement {
texture,
texElement: {
name: 'test3d',
width: 3,
height: 3,
depth: 3,
width: size,
height: size,
depth: size,
},
});
// TODO end of 3d texture experiment