Commit f02a6e0c7f2d3f1a2cac464436f38c7d304dea7c
2020-10-26T14:35:14
Work around Mac glGenerateMipmap with missing levels bug. Some Mac GL drivers fail to generate mipmaps if level zero is not set before the texture is first used, all mipmap data is black. To work around this, whenever a texture level is allocated, ensure that level zero is also allocated with at least a 1x1 image. Bug: angleproject:5223 Change-Id: If1a728e017dec600c77a54f7ae185b719aaaae84 Reviewed-on: https://chromium-review.googlesource.com/c/angle/angle/+/2497569 Reviewed-by: Jamie Madill <jmadill@chromium.org> Reviewed-by: Kenneth Russell <kbr@chromium.org> Commit-Queue: Geoff Lang <geofflang@chromium.org>