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WebGL: Difference between revisions
→How to pass arrays as uniforms
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==Usage (WebGL 1)== | ==Usage (WebGL 1)== | ||
=== | ===Pass arrays as uniforms=== | ||
Use <code>gl.uniform1fv</code>, ..., <code>gl.uniform4fv</code> to pass an array of floats or <code>vec4</code>. | Use <code>gl.uniform1fv</code>, ..., <code>gl.uniform4fv</code> to pass an array of floats or <code>vec4</code>. | ||
On Javascript, if you are using <code>gl.uniform4fv</code> and want a array of size <code>k</code> in your shader, you will need to pass an array of size 4 * k to the uniform function. | On Javascript, if you are using <code>gl.uniform4fv</code> and want a array of size <code>k</code> in your shader, you will need to pass an array of size 4 * k to the uniform function. | ||