<html> <head> <base href="https://bugs.freedesktop.org/" /> </head> <body> <div> <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [SKL] ES2-CTS.gtf.GL2ExtensionTests.compressed_astc_texture.compressed_astc_texture fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=92193#c7">Comment # 7</a> on <a class="bz_bug_link bz_status_ASSIGNED " title="ASSIGNED - [SKL] ES2-CTS.gtf.GL2ExtensionTests.compressed_astc_texture.compressed_astc_texture fails" href="https://bugs.freedesktop.org/show_bug.cgi?id=92193">bug 92193</a> from <a class="email" href="mailto:lemody@gmail.com" title="Tapani Pälli <lemody@gmail.com>"> Tapani Pälli</a> <pre>(In reply to Nanley Chery from <a href="show_bug.cgi?id=92193#c6">comment #6</a>) > (In reply to Tapani Pälli from <a href="show_bug.cgi?id=92193#c5">comment #5</a>) > > (In reply to Nanley Chery from <a href="show_bug.cgi?id=92193#c4">comment #4</a>) > > > Looks like there's a bug in the CTS. It looks for the ASTC formats in the > > > list returned by glGetIntegerv(GL_COMPRESSED_TEXTURE_FORMATS, ...). As > > > mentioned in spec, the ASTC format enums won't be returned by this function: > > > > > > Interactions with OpenGL 4.2 > > > > > > OpenGL 4.2 supports the feature that compressed textures can be > > > compressed online, by passing the compressed texture format enum as > > > the internal format when uploading a texture using TexImage1D, > > > TexImage2D or TexImage3D (see Section 3.9.3, Texture Image > > > Specification, subsection Encoding of Special Internal Formats). > > > > > > Due to the complexity of the ASTC compression algorithm, it is not > > > usually suitable for online use, and therefore ASTC support will be > > > limited to pre-compressed textures only. Where on-device compression > > > is required, a domain-specific limited compressor will typically > > > be used, and this is therefore not suitable for implementation in > > > the driver. > > > > > > In particular, the ASTC format specifiers will not be added to > > > Table 3.14, and thus will not be accepted by the TexImage*D > > > functions, and will not be returned by the (already deprecated) > > > COMPRESSED_TEXTURE_FORMATS query. > > > > > > I'll send a patch upstream to fix this. Should I take any further steps? > > > > This sounds good, did you file a bug in Khronos bugzilla? > > I just filed the bug (and attached the patch) > <a href="https://www.khronos.org/bugzilla/show_bug.cgi?id=1395">https://www.khronos.org/bugzilla/show_bug.cgi?id=1395</a> . Thanks for the tip. > Is there anything else we should do? this is fine, I think we should keep this bug open until the issue is resolved in the test suite</pre> </div> <hr> You are receiving this mail because: <ul> <li>You are the QA Contact for the bug.</li> </ul> </body> </html>