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@@ -1,3 +1,97 @@ +Snapshot 2.12.0 (2010-06-24) +============================= +We are pleased to announce this major release of the xf86-video-intel +2D driver. It contains many correctness and performance improvements +compared to the 2.11 releases. We encourage everyone using 2.11 to +upgrade to 2.12. + +[This release contains several bug fixes since the earlier 2.11.901 +release candidate---see below for details.] + +New requirements compared to 2.11 +--------------------------------- + * Libdrm >= 2.4.21 + +Major performance improvements +------------------------------ +There have been many performance improvements targeting the +915G/945G/Pineview graphics chipsets (thank to Chris Wilson!). Areas +improved include: + + * Major improvements to glyph rendering + + * Avoid software fallback when using extended desktops, (for example, + video playback) + + * Better performance when using large windows, (for example with + firefox scrolling) + + * Avoiding migration ping-pong with gigantic drawing + +The following speedups (measured with cairo-perf-trace/cairo-traces) +capture some of the improvements. These were measured on a Pineview +system with X server 1.8.1. This compares how this 2.12 release +improves performance compared to 2.11.0: + + Trace Speedup + ----- ------- + ocitysmap 5.41x speedup + firefox-talos-gfx 2.41x speedup + gnome-terminal-vim 2.15x speedup + poppler 1.86x speedup + firefox-planet-gnome 1.43x speedup + midori-zoomed 1.39x speedup + swfdec-giant-steps 1.36x speedup + xfce4-terminal-a1 1.17x speedup + evolution 1.09x speedup + swfdec-youtube 1.06x speedup + +Other improvements +------------------ +Daniel Vetter improved Xvmc and overlay, adding GEM support. + +Bug fixes +--------- +There have been many conformance improvements targeting the +915G/945G/Pineview graphics chipsets. The rendercheck test suite +passes once again and there has been a significant reduction in the +number of errors detected by the cairo test suite (notably center +sampling and EXTEND_NONE behaviors are fixed). + +Other notable bug fixes include: + + * Fix for bug 28446 Garbled fonts with Mathematica + https://bugs.freedesktop.org/show_bug.cgi?id=28446 + + * Fixes for page-flipping and other DRI2-handling bugs, (Thanks Jesse + Barnes, and Kristian Høgsberg) + + * Avoid corruption when using extended desktops, (for example, video + playback) + +(The bug fixes below are new since the 2.11.901 release candidate) + + * Fix corrupted output when screen rotated + https://bugs.freedesktop.org/show_bug.cgi?id=28461 + + * Fix corrupted rendering in KDE due to missing flush. + + * Fixes i830_uxa_put_image for the following issues: + + Bug 28569 - [i965] IGN's flash-based video player crashes X + https://bugs.freedesktop.org/show_bug.cgi?id=28569 + + Bug 28573 - [i965] Fullscreen flash and windowed SDL games fail to + update the screen + https://bugs.freedesktop.org/show_bug.cgi?id=28573 + + * Fix visual corruption of scrollbar in Chromium + + * Fix tiling limits to resolve this issue: + + Bug 28497 - Graphics corruption after opening a specific website + https://bugs.freedesktop.org/show_bug.cgi?id=28497 + Snapshot 2.11.901 (2010-06-14) ============================== This is the first release candidate in preparation for the upcoming |