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gl-wiretap
Advanced tools
A gl debugger that listens and replays gl (WebGL, WebGL2, and HeadlessGL) gpu commands
A gl debugger that listens and replays gl (WebGL, WebGL2, and HeadlessGL) gpu commands
const gl = glWiretap(realGL);
// do a bunch of webgl commands..
// then later, get all commands as a string of runnable javascript
const commands = gl.toString();
// possibly write commands to file, for unit testing or reproducing bug
require('fs').writeFileSync('./file.js',
// create a `gl` variable for the script to use
"const canvas = document.createElement('canvas');"
+ "const gl = canvas.getContext('webgl');"
+ commands
);
const canvas = document.createElement('canvas');
const realGL = canvas.getContext('webgl');
const gl = glWiretap(realGL);
const canvas = document.createElement('canvas');
const realGL = canvas.getContext('webgl2');
const gl = glWiretap(realGL);
const { glWiretap } = require('gl-wiretap');
const realGL = require('gl')(1, 1);
const gl = glWiretap(realGL);
See the HeadlessGL project for more information on using it.
const gl = glWiretap(realGL, options);
// do a bunch of webgl commands..
// then later, see all commands ran
const commands = gl.toString();
Add a comment for later when calling glWiretap().toString()
, to help human doing debugging
This is where the gl context outputs all values as runnable javascript.
The value for context here is gl
by default, for simplicity.
But can be changed to the value of with options.contextName
.
Any variables created here (example: gl.createProgram()
, or gl.createShader(gl.VERTEX_SHADER)
) are simply constants that increment on an index to prevent collision.
Causes a thrown exception when error detected from gl
context, to help human doing debugging
Gets the last internal variable name used as a target value for gl.readPixels()
Insert a value into the glWiretap()
playback string.
Reset the playback string.
Set the playback indentation. Useful for formatting results.
Get a variable name from the context. Useful for adding additional functionality to, for example, textures, etc.
glWiretap().toString()
gl.getError()
to throw if there is an errorgl.getShaderParameter()
to throw if there is an errorgl.getProgramParameter()
to throw if there is an errorBy default, typescript is supported
FAQs
A gl debugger that listens and replays gl (WebGL, WebGL2, and HeadlessGL) gpu commands
The npm package gl-wiretap receives a total of 2,350 weekly downloads. As such, gl-wiretap popularity was classified as popular.
We found that gl-wiretap demonstrated a not healthy version release cadence and project activity because the last version was released a year ago. It has 1 open source maintainer collaborating on the project.
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