glgsg: Fix error when downloading luminance8 texture

This commit is contained in:
rdb 2022-10-19 12:20:06 +02:00
parent cd7abbb797
commit a8eef28708

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@ -14460,6 +14460,7 @@ do_extract_texture_data(CLP(TextureContext) *gtc) {
break;
case GL_LUMINANCE:
#ifndef OPENGLES
case GL_LUMINANCE8_EXT:
case GL_LUMINANCE16:
case GL_LUMINANCE16F_ARB:
#endif