WebGL texImage2D much slower on ALPHA or LUMINANCE texture than RGBA of same size data

Issue #5399827 • Assigned to Rafael C.

Details

Created
Nov 11, 2015
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This issue is public.
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Steps to reproduce

URL:

Repro Steps:

Isolated benchmark: https://brionv.com/misc/gl-texture-test/

Expected Results:

Uploading texture data with a given byte size should take about as long for textures of RGB, RGBA, ALPHA, and LUMINANCE types.

Actual Results:

Dev Channel specific:

No

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    Comments and activity

    • Microsoft Edge Team

      Changed Assigned To to “Rico M.”

      Changed Assigned To from “Rico M.” to “Rafael C.”

      Changed Assigned To from “Rafael C.” to “Phil F.”

      Changed Assigned To from “Phil F.” to “Rafael C.”

      Changed Assigned To from “Rafael C.” to “James M.”

      Changed Assigned To from “James M.” to “Rafael C.”

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