133561 2014-06-05 15:36:39 -0700 WEBGL_compressed_texture_pvrtc doesn't accept PVRTC format enums in compressedTexImage2D 2014-06-19 09:39:36 -0700 1 1 1 Unclassified WebKit WebGL 528+ (Nightly build) iPhone / iPad Other RESOLVED FIXED http://floooh.github.io/oryol/DDSTextureLoading.html P2 Normal --- 1 floooh achristensen achristensen commit-queue dino esprehn+autocc gyuyoung.kim kondapallykalyan roger_fong oldest_to_newest 1013665 0 floooh 2014-06-05 15:36:39 -0700 The URL (http://floooh.github.io/oryol/DDSTextureLoading.html) points to an emscripten/WebGL demo which tries to load several texture formats. The upper row loads 3 DXT formats (on platforms supporting DXT), and 2 PVRTC formats (on platforms exposing the PVRTC GL extensions). On iOS8 Safari an error message is printed to the JS console "WebGL: INVALID_ENUM: compressedTexImage2D: invalid internalformat" when trying to create the PVRTC textures for the format codes 0x8C02 (GL_COMPRESSED_RGBA_PVRTC_4BPPV1_IMG) and 0x8C03 (GL_COMPRESSED_RGBA_PVRTC_2BPPV1_IMG). Here's another page which crashes when trying to load PVRTC textures: http://toji.github.io/texture-tester/ 1013666 1 floooh 2014-06-05 15:39:03 -0700 PS: this is on iOS8 Safari, tested on an iPad4. 1013755 2 dino 2014-06-05 23:54:20 -0700 <rdar://problem/17193506> 1016327 3 233273 achristensen 2014-06-17 17:22:13 -0700 Created attachment 233273 Patch 1016338 4 achristensen 2014-06-17 18:11:36 -0700 Also, the bitmaps in the test from https://bugs.webkit.org/show_bug.cgi?id=110497 don't work correctly, but the images in http://toji.github.io/texture-tester/ show up correctly. Where did these images come from? Would they be a better test than the test, which itself has a FIXME in it? 1016568 5 achristensen 2014-06-18 15:53:38 -0700 I'm going to not worry about updating the test until https://github.com/KhronosGroup/WebGL/pull/527 and hopefully updating the compressed images goes through. 1016569 6 233333 achristensen 2014-06-18 15:55:39 -0700 Created attachment 233333 Patch 1016574 7 achristensen 2014-06-18 16:15:43 -0700 Committed with GraphicsContext3D::INVALID_OPERATION instead of GL_INVALID_OPERATION to http://trac.webkit.org/changeset/170128 1016575 8 achristensen 2014-06-18 16:17:07 -0700 Andre, http://floooh.github.io/oryol/DDSTextureLoading.html has two black squares on the top right with this fix, but http://toji.github.io/texture-tester/ shows the images correctly. Could you verify that your images are compressed correctly? 1016641 9 floooh 2014-06-18 23:45:10 -0700 The images work in a native iOS version of the same demo and have been compressed with PVRTexToolCLI from the PowerVR SDK. You can download the files here (http://floooh.github.io/oryol/lok_bpp2.pvr) and here (https://github.com/floooh/oryol/lok_bpp4.pvr) for inspection. The pixel formats for these textures should be COMPRESSED_RGBA_PVRTC_2BPPV1_IMG (0x8C03) and COMPRESSED_RGBA_PVRTC_4BPPV1_IMG (0x8C02h Is the JS console message "WebGL: INVALID_ENUM: compressedTexImage2D: invalid internalformat" still showing up with your fix? If Toji's demo works now then the problem is very likely on my side or maybe emscripten's GL translation layer, I'll see if I can find out more over the weekend. Do you know when your fix will go live? iOS8 Beta 3? Cheers & Thanks! -Floh. (In reply to comment #8) > Andre, http://floooh.github.io/oryol/DDSTextureLoading.html has two black squares on the top right with this fix, but http://toji.github.io/texture-tester/ shows the images correctly. Could you verify that your images are compressed correctly? 1016681 10 achristensen 2014-06-19 09:39:36 -0700 (In reply to comment #9) > Is the JS console message "WebGL: INVALID_ENUM: compressedTexImage2D: invalid internalformat" still showing up with your fix? No. The message is gone. 233273 2014-06-17 17:22:13 -0700 2014-06-18 15:55:35 -0700 Patch bug-133561-20140617172150.patch text/plain 4399 achristensen SW5kZXg6IFNvdXJjZS9XZWJDb3JlL0NoYW5nZUxvZwo9PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09Ci0tLSBTb3VyY2UvV2Vi Q29yZS9DaGFuZ2VMb2cJKHJldmlzaW9uIDE3MDA4NikKKysrIFNvdXJjZS9XZWJDb3JlL0NoYW5n ZUxvZwkod29ya2luZyBjb3B5KQpAQCAtMSwzICsxLDE3IEBACisyMDE0LTA2LTE3ICBBbGV4IENo cmlzdGVuc2VuICA8YWNocmlzdGVuc2VuQHdlYmtpdC5vcmc+CisKKyAgICAgICAgW2lPUyBXZWJH TF0gRml4ZWQgV0VCR0xfY29tcHJlc3NlZF90ZXh0dXJlX3B2cnRjLgorICAgICAgICBodHRwczov L2J1Z3Mud2Via2l0Lm9yZy9zaG93X2J1Zy5jZ2k/aWQ9MTMzNTYxCisKKyAgICAgICAgUmV2aWV3 ZWQgYnkgTk9CT0RZIChPT1BTISkuCisKKyAgICAgICAgTm8gbmV3IHRlc3RzLCBidXQgdGhpcyBm aXhlcyB3ZWJnbC1jb21wcmVzc2VkLXRleHR1cmUtcHZydGMuaHRtbC4KKworICAgICAgICAqIGh0 bWwvY2FudmFzL1dlYkdMUmVuZGVyaW5nQ29udGV4dC5jcHA6CisgICAgICAgIChXZWJDb3JlOjpX ZWJHTFJlbmRlcmluZ0NvbnRleHQ6OnZhbGlkYXRlQ29tcHJlc3NlZFRleEZ1bmNEYXRhKToKKyAg 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