StackGenVis: Alignment of Data, Algorithms, and Models for Stacking Ensemble Learning Using Performance Metrics
https://doi.org/10.1109/TVCG.2020.3030352
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73 lines
1.6 KiB
73 lines
1.6 KiB
4 years ago
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# gl-format-compiler-error
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Formats a webgl glsl compiler error. Use in conjunction with
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[glsl-shader-name](https://www.npmjs.com/package/glsl-shader-name) to include your shader's
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name in the formatted error string.
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## Example
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```js
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var formatCompilerError = require('gl-format-compiler-error');
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...
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var shader = gl.createShader(type)
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gl.shaderSource(shader, src)
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gl.compileShader(shader)
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if(!gl.getShaderParameter(shader, gl.COMPILE_STATUS)) {
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var errLog = gl.getShaderInfoLog(shader)
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var fmt = formatCompilerError(errLog, src, type);
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console.warn(fmt.long);
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throw new Error(fmt.short);
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}
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```
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yields warning:
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```text
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Error in vertex shader generic:
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13:
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14: void main() {
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15: bug;
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^^^^: 'bug' : undeclared identifier
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17: vUV = aUV;
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18: vPos = vec3(uModel * vec4(aPosition, 1.0))
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19: }
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^^^^: '}' : syntax error
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```
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and error:
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```text
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Uncaught Error: Error in vertex shader generic:
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ERROR: 0:15: 'bug' : undeclared identifier
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ERROR: 0:19: '}' : syntax error
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```
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## Usage
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### Install
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```sh
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npm install gl-format-compiler-error --save
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```
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### API
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```js
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var formatCompilerError = require('gl-format-compiler-error');
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```
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#### `fmt = formatCompilerError(errLog, source, type)`
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Takes `errLog` result from `gl.getShaderInfoLog`, the shader `source` string, and the `type` of shader,
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either `gl.VERTEX_SHADER` or `gl.FRAGMENT_SHADER`. Returns an object that contains the long and short
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form of the formatted error:
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```js
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{
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long: "long form error with code snippets",
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short: "short form error, similar to the original error log"
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}
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```
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