38783 2010-05-07 16:57:23 -0700 [chromium] Implement h/w accelerated compositing for LayerChromium layers 2010-05-20 10:31:45 -0700 1 1 1 Unclassified WebKit WebCore Misc. 528+ (Nightly build) All All RESOLVED FIXED P2 Normal --- 0 vangelis webkit-unassigned abarth commit-queue dglazkov eric fishd kbr mrobinson webkit.review.bot xan.lopez oldest_to_newest 222703 0 vangelis 2010-05-07 16:57:23 -0700 Switch the current implementation of the ACCELERATED_COMPOSITING path in chromium to do the compositing on the GPU rather than the CPU. 225414 1 56003 vangelis 2010-05-13 11:45:49 -0700 Created attachment 56003 Proposed patch Sorry this patch got to be a bit bigger than I intended to. There are still a few things that will change in subsequent CLs such as: 1. Layers don't need to hang on to their GC and Canvas. The can create one temporarily, render into it and upload the results to the texture. 2. Setting a 1x1 dirty region to kick off the render logic for the browser will go away once the compositor moves to its own thread. 225415 2 webkit.review.bot 2010-05-13 11:47:03 -0700 Attachment 56003 did not pass style-queue: Failed to run "['WebKitTools/Scripts/check-webkit-style', '--no-squash']" exit_code: 1 Last 3072 characters of output: s] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:471: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:472: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:473: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:474: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:502: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:560: One line control clauses should not use braces. [whitespace/braces] [4] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:567: Place brace on its own line for function definitions. [whitespace/braces] [4] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:642: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:643: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:644: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:645: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:646: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:647: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:648: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:649: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:651: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:652: One space before end of line comments [whitespace/comments] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:656: Tests for true/false, null/non-null, and zero/non-zero should all be done without equality comparisons. [readability/comparison_to_zero] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:662: Tests for true/false, null/non-null, and zero/non-zero should all be done without equality comparisons. [readability/comparison_to_zero] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:668: Tests for true/false, null/non-null, and zero/non-zero should all be done without equality comparisons. [readability/comparison_to_zero] [5] WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:691: Should have a space between // and comment [whitespace/comments] [4] Total errors found: 45 in 10 files If any of these errors are false positives, please file a bug against check-webkit-style. 225438 3 56003 abarth 2010-05-13 12:28:10 -0700 Comment on attachment 56003 Proposed patch Please run check-webkit-style before posting your patch (or use webkit-patch to upload your patch, which runs the style checker for you). 225453 4 56010 vangelis 2010-05-13 13:04:10 -0700 Created attachment 56010 Proposed patch with style issues fixed 225463 5 abarth 2010-05-13 13:14:26 -0700 (When you upload a patch, please check the "this is a patch" box so we get the links we need to review your patch.) 225820 6 56010 dglazkov 2010-05-14 07:58:36 -0700 Comment on attachment 56010 Proposed patch with style issues fixed Vangelis, I am sorry -- I gave it my best. But this patch is too large to be reviewed like this. Can you please split it up into smaller bits? Ideally, into a progression of patches that makes logical sense. 225967 7 56010 kbr 2010-05-14 13:16:28 -0700 Comment on attachment 56010 Proposed patch with style issues fixed This generally looks good to me. It looks like the code is mostly interdependent so it seems to me it will be difficult to split it up into multiple patches. I'd support landing it all at once, given that it's been demonstrated to work. The only high level comment I have is that compositeLayersRecursive does two pieces of work: updating the layer's contents and drawing it to the screen. I think it would be better to split these into two different phases, even though doing so would involve two traversals of the layer hierarchy. That way the updating of the layer's contents, which must be done on the main thread, would be more easily split off from the drawing, which might be more profitably done on a background thread in the future. A few minor comments. WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:215 + FloatPoint3D test2 = renderMatrix.mapPoint(FloatPoint3D(0.5, -0.5, 0)); Test code should be removed. WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:155 + static GLuint createLayerTexture() Should refactor with createTextureObject(). WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:265 + offset+= 3 * sizeof(GLfloat); Need space between offset and += . WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:416 + FloatPoint3D test2 = renderMatrix.mapPoint(FloatPoint3D(0.5, -0.5, 0)); More test code. WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:720 + } Formatting. 227022 8 56297 vangelis 2010-05-17 17:49:34 -0700 Created attachment 56297 Proposed patch - smaller this time This patch now covers the code necessary for the compositor. I'm afraid it's still a fairly large patch but it's hard to break it up any further. Please let me know if you'd like me to walk you through the code. 227023 9 vangelis 2010-05-17 17:50:38 -0700 (In reply to comment #7) > A few minor comments. > > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:215 > + FloatPoint3D test2 = renderMatrix.mapPoint(FloatPoint3D(0.5, -0.5, 0)); > Test code should be removed. > Done. > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:155 > + static GLuint createLayerTexture() > Should refactor with createTextureObject(). > Done. Removed createTextureObject() as it wasn't getting used. > > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:265 > + offset+= 3 * sizeof(GLfloat); > Need space between offset and += . > Done. > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:416 > + FloatPoint3D test2 = renderMatrix.mapPoint(FloatPoint3D(0.5, -0.5, 0)); > More test code. > Removed. > > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:720 > + } > Formatting. Fixed. 227323 10 56297 fishd 2010-05-18 08:44:31 -0700 Comment on attachment 56297 Proposed patch - smaller this time Overall, looks great. Just a few minor issues: WebCore/platform/graphics/chromium/GraphicsLayerChromium.cpp:535 + // The position of they layer is the center of quad. nit: "they layer" -> "the layer" ? WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:264 + // Scrolling works as follows: We render a quad with the current root layer contents nit: indent by 4 spaces instead of 8. true, this means the body is not visually separate from the "|| (scrollDelta..." bit, but that's what webkit style would have you do. WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:359 + std::map<LayerChromium*, unsigned int>::iterator textureId; webkit avoids the container classes from STL. please use HashMap from WTF instead. 227388 11 56390 vangelis 2010-05-18 11:10:04 -0700 Created attachment 56390 Patch addressing review comments Replaced std::map with wtf's HashMap and took care of the other issues as well. 227389 12 vangelis 2010-05-18 11:10:49 -0700 (In reply to comment #10) > (From update of attachment 56297 [details]) > Overall, looks great. Just a few minor issues: Thanks for the quick review! Please see new patch. > > WebCore/platform/graphics/chromium/GraphicsLayerChromium.cpp:535 > + // The position of they layer is the center of quad. > nit: "they layer" -> "the layer" ? > Done. > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:264 > + // Scrolling works as follows: We render a quad with the current root layer contents > nit: indent by 4 spaces instead of 8. true, this means the > body is not visually separate from the "|| (scrollDelta..." > bit, but that's what webkit style would have you do. > Done. > WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:359 > + std::map<LayerChromium*, unsigned int>::iterator textureId; > webkit avoids the container classes from STL. please use HashMap > from WTF instead. Done. 227395 13 56390 kbr 2010-05-18 11:22:40 -0700 Comment on attachment 56390 Patch addressing review comments Looks good. Couple of very minor comments, not necessary to address now. WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:310 + glClearColor(0, 0, 1, 1); Presumably the blue color is for debugging purposes? WebCore/platform/graphics/chromium/LayerRendererChromium.cpp:328 + // so we need to send the blending mode appropriately. send -> set 228207 14 56390 commit-queue 2010-05-19 22:59:21 -0700 Comment on attachment 56390 Patch addressing review comments Clearing flags on attachment: 56390 Committed r59822: <http://trac.webkit.org/changeset/59822> 228208 15 commit-queue 2010-05-19 22:59:28 -0700 All reviewed patches have been landed. Closing bug. 228213 16 eric 2010-05-20 00:12:25 -0700 This broke lots of tests on Gtk: http://build.webkit.org/results/GTK%20Linux%2032-bit%20Release/r59822%20(13001)/results.html 228214 17 eric 2010-05-20 00:14:43 -0700 It's unclear to me if the Gtk bot just wedged itself or if this is actually responsible for the regression. 228448 18 vangelis 2010-05-20 10:31:45 -0700 (In reply to comment #17) > It's unclear to me if the Gtk bot just wedged itself or if this is actually responsible for the regression. I'd be surprised too if this patch caused the problem. All the code sits behind an #if WTF_USE_ACCELERATED_COMPOSITING which doesn't get defined yet in regular builds. 56003 2010-05-13 11:45:49 -0700 2010-05-13 13:04:10 -0700 Proposed patch glCompositor.txt text/plain 62651 vangelis SW5kZXg6IFdlYkNvcmUvQ2hhbmdlTG9nCj09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09 PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT09PT0KLS0tIFdlYkNvcmUvQ2hhbmdlTG9n CShyZXZpc2lvbiA1OTMzNCkKKysrIFdlYkNvcmUvQ2hhbmdlTG9nCSh3b3JraW5nIGNvcHkpCkBA IC0xLDMgKzEsNzIgQEAKKzIwMTAtMDUtMTIgIFZhbmdlbGlzIEtva2tldmlzICA8dmFuZ2VsaXNA Y2hyb21pdW0ub3JnPgorCisgICAgICAgIFJldmlld2VkIGJ5IE5PQk9EWSAoT09QUyEpLgorCisg ICAgICAgIEltcGxlbWVudGluZyBoL3cgYWNjZWxlcmF0ZWQgY29tcG9zaXRpbmcgb2YgbGF5ZXJz IGZvciBjaHJvbWltdW0uCisgICAgICAgICogUmVtb3ZlZCB0aGUgZXhpc3Rpbmcgc29mdHdhcmUg Y29tcG9zaXRpbmcgcGF0aCBmb3IgTGF5ZXJDaHJvbWl1bSdzIGFuZAorICAgICAgICAgIHJlcGxh Y2VkIGl0IHdpdGggYSBHTCBpbXBsZW1lbnRhdGlvbi4KKyAgICAgICAgKiBGaXhlZCBpc3N1ZXMg d2l0aCBMYXllckNocm9taXVtIGhpZXJhcmNoeSB1cGRhdGUgY29kZS4KKyAgICAgICAgKiBBZGRl 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