diff options
Diffstat (limited to 'NEWS')
| -rw-r--r-- | NEWS | 28 |
1 files changed, 28 insertions, 0 deletions
@@ -26,6 +26,34 @@ New utilities: Further minimisation of the fail trace using "delta debugging". More control over test/reference targets. +Backend improvements: + + xlib + + Server-side gradients. The theory is that we can offload computation + of gradients to the GPU and avoid pushing large images over the + connection. Even if the driver has to fallback and use pixman to render + a temporary source, it should be able to do so in a more efficient manner + than Cairo itself. However, cairo-perf suggests otherwise: + + On tiny, Celeron/i915: + + before: firefox-20090601 211.585 + after: firefox-20090601 270.939 + + and on tiger, CoreDuo/nvidia: + + before: firefox-20090601 70.143 + after: firefox-20090601 87.326 + + In particular, looking at tiny: + + xlib-rgba paint-with-alpha_linear-rgba_over-512 47.11 (47.16 0.05%) -> 123.42 (123.72 0.13%): 2.62x slowdown + █▋ + xlib-rgba paint-with-alpha_linear3-rgba_over-512 47.27 (47.32 0.04%) -> 123.78 (124.04 0.13%): 2.62x slowdown + █▋ + + New experimental backends: QT |