X Acceleration that Finally Works Carl Worth - - PowerPoint PPT Presentation

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x acceleration that finally works carl worth cworth

X Acceleration that Finally Works Carl Worth - - PowerPoint PPT Presentation

Oct 02, 2023 255 likes •473 views

X Acceleration that Finally Works Carl Worth <cworth@redhat.com> Eric Anholt <eric@anholt.net> linux.conf.au MEL OURNE 8 2008 X Graphics linux.conf.au MEL OURNE 8 2008 1 X Acceleration that Finally Works X Graphics

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SLIDE 1

X Acceleration that Finally Works Carl Worth <cworth@redhat.com> Eric Anholt <eric@anholt.net>

linux.conf.au MEL OURNE 8 2008

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X Graphics

linux.conf.au MEL OURNE 8 2008

1 X Acceleration that Finally Works

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SLIDE 3

X Graphics Rock X Graphics Rock

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Problem Space

linux.conf.au MEL OURNE 8 2008

3 X Acceleration that Finally Works

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Core Xlib drawing primitives

Solid fills Bitwise raster operations Non-antiliased lines/arcs Server-side fonts

linux.conf.au MEL OURNE 8 2008

4 X Acceleration that Finally Works

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Render extension primitives

Image compositing Client-side font support Trapezoid rasterization Gradients

linux.conf.au MEL OURNE 8 2008

5 X Acceleration that Finally Works

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SLIDE 7

Past attempts

linux.conf.au MEL OURNE 8 2008

6 X Acceleration that Finally Works

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SLIDE 8

XAA

fills, copies, stipple fills, bresenham lines 2D rectangular memory manager almost no pixmap caching

linux.conf.au MEL OURNE 8 2008

7 X Acceleration that Finally Works

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KAA

fills, copies linear memory manager caches all pixmaps

linux.conf.au MEL OURNE 8 2008

8 X Acceleration that Finally Works

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EXA

fills, copies, textured blending linear memory manager caches all pixmaps, migration heuristics

linux.conf.au MEL OURNE 8 2008

9 X Acceleration that Finally Works

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Hardware

linux.conf.au MEL OURNE 8 2008

10 X Acceleration that Finally Works

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Graphics device support

Provides fills, copies, textured blending Has no local memory Aperture reads still expensive GART binding is cheap

linux.conf.au MEL OURNE 8 2008

11 X Acceleration that Finally Works

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Recent Work

linux.conf.au MEL OURNE 8 2008

12 X Acceleration that Finally Works

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TTM

kernel graphics memory manager buffer objects fences

linux.conf.au MEL OURNE 8 2008

13 X Acceleration that Finally Works

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EXA with TTM

fills copies, textured blending all pixmaps in buffer objects migration by GART binding

linux.conf.au MEL OURNE 8 2008

14 X Acceleration that Finally Works

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965 Render acceleration

Accumulates operations in batchbuffer Enumerate all programs and state

linux.conf.au MEL OURNE 8 2008

15 X Acceleration that Finally Works

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Status

linux.conf.au MEL OURNE 8 2008

16 X Acceleration that Finally Works

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Demo

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19 X Acceleration that Finally Works

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Future work

Cache flushing reduction Surface state caching Gradients acceleration

linux.conf.au MEL OURNE 8 2008

20 X Acceleration that Finally Works