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Allow users to pass canvas element

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PiperOrigin-RevId: 518870611
This commit is contained in:
Sebastian Schmidt
2023-03-23 08:46:21 -07:00
committed by Copybara-Service
parent 5998e96eed
commit 1c9e6894f3
19 changed files with 160 additions and 112 deletions
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mediapipe/web/graph_runner/graph_runner.ts
+9 -4
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@@ -352,10 +352,15 @@ export class GraphRunner {
} else {
this.wasmModule._bindTextureToStream(streamNamePtr);
}
const gl: any =
this.wasmModule.canvas.getContext('webgl2') ||
this.wasmModule.canvas.getContext('webgl');
console.assert(gl);
const gl =
(this.wasmModule.canvas.getContext('webgl2') ||
this.wasmModule.canvas.getContext('webgl')) as WebGL2RenderingContext |
WebGLRenderingContext | null;
if (!gl) {
throw new Error(
'Failed to obtain WebGL context from the provided canvas. ' +
'`getContext()` should only be invoked with `webgl` or `webgl2`.');
}
gl.texImage2D(
gl.TEXTURE_2D, 0, gl.RGBA, gl.RGBA, gl.UNSIGNED_BYTE, imageSource);