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Export crtc setting and scanout buffer allocation functions.
Signed-off-by: Keith Packard <keithp@keithp.com>
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This is quicker and smaller than the old indirect function call to
dixLookupPrivate().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This allows the driver to be built against either the old or new
DevPrivate API.
Signed-off-by: Keith Packard <keithp@keithp.com>
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All but uxa_copy_window() perform the preliminary checks for whether
acceleration is available. The simplest method for adding the fallback
for uxa_copy_window() seems to be to add it in the core copy function,
so be it.
This allows X to survive a little longer once we encounter a GPU hang.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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References:
Bug 28361 - "glresize" causes server segfault with single buffering.
https://bugs.freedesktop.org/show_bug.cgi?id=28361
[ 14528.767] (EE) intel(0): Failed to submit batch buffer, expect rendering corruption or even a frozen display: Input/output error.
[ 14528.767] (EE) intel(0): Disabling acceleration.
[ 14528.788] Backtrace:
[ 14528.858] 0: /usr/bin/X (xorg_backtrace+0x28) [0x491818]
[ 14528.858] 1: /usr/bin/X (0x400000+0x65ca9) [0x465ca9]
[ 14528.858] 2: /lib/libpthread.so.0 (0x7f9df2dc9000+0xedf0) [0x7f9df2dd7df0]
[ 14528.858] 3: /usr/local/lib/libdrm_intel.so.1 (drm_intel_bo_flink+0x0) [0x7f9defd60c60]
[ 14528.858] 4: /usr/local/lib/xorg/modules/drivers/intel_drv.so (0x7f9deff6a000+0x2fdfd) [0x7f9deff99dfd]
[ 14528.858] 5: /usr/lib/xorg/modules/extensions/libdri2.so (0x7f9df01b8000+0x19e7) [0x7f9df01b99e7]
[ 14528.858] 6: /usr/lib/xorg/modules/extensions/libdri2.so (0x7f9df01b8000+0x1fdb) [0x7f9df01b9fdb]
[ 14528.858] 7: /usr/lib/xorg/modules/extensions/libdri2.so (DRI2GetBuffersWithFormat+0x10) [0x7f9df01ba250]
[ 14528.858] 8: /usr/lib/xorg/modules/extensions/libdri2.so (0x7f9df01b8000+0x3834) [0x7f9df01bb834]
[ 14528.858] 9: /usr/bin/X (0x400000+0x2fc2c) [0x42fc2c]
[ 14528.858] 10: /usr/bin/X (0x400000+0x24da5) [0x424da5]
[ 14528.858] 11: /lib/libc.so.6 (__libc_start_main+0xe6) [0x7f9df1d60a26]
[ 14528.858] 12: /usr/bin/X (0x400000+0x24959) [0x424959]
[ 14528.858] Segmentation fault at address 0x20
[ 14528.858] Fatal server error:
[ 14528.858] Caught signal 11 (Segmentation fault). Server aborting
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Use centre sampling of textures to match pixman, and remove numerous
off-by-one and visual artefacts when rendering. The classic example for
this is cairo/text/xcomposite-projection where the edge of the rotated
rectangle is jaggy due to the incorrect sample position.
Fixes:
Bug 16917 - [i915] Blur on y-axis also when only x-axis is scaled
billiear
https://bugs.freedesktop.org/show_bug.cgi?id=16917
And about 15 tests from the Cairo test suite.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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3DSTATE_BUF_INFO is an implicit flush of the piepline, so avoid emitting
that and associated state unless the destination pixmap has actually
changed. This is a win of around 3-5% for cairo-perf-trace, notably for
firefox.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Chris's new buffer exchange check is a good one, but we don't want to
hit the immediate blit fallback path if it fails. We still want to
schedule a blit for sometime in the future, and we need to use it
wherever an exchange might occur (like the secondary flip check or the
currently disabled CanExchange check).
Fixes https://bugs.freedesktop.org/show_bug.cgi?id=28252.
Signed-off-by: Jesse Barnes <jbarnes@virtuousgeek.org>
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Trigger happy bug fixing. The sign *was* right, the endpoint was wrong.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Introduced with e5c971e7639095d38da3518a5dc404b708d45cfb.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This is wildly optimistic, but it should work in a surprising number of
error situations and some output in those cases will be hopefully be
better than none...
If we submit a batchbuffer and the kernel reports the GPU is hung (which
will be caused by an earlier execbuffer, and so the kernel should have
had enough time to determine whether or not it could reset the GPU) then
disable any further attempt to accelerate gfx and force fallbacks to map
the buffers and use the CPU. We cannot normally map any more buffers if
the GPU is hung, so only those already mapped prior to the hang can be
written to, or those allocated in system memory. However, we can expect
that the framebuffer is already mapped, and so have a reasonable
expectation to continue to see the display update.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Rewrite glyph rendering to avoid the intermediate buffer, accumulating
the glyph rectangles directly in the backend composite routines. And
modify the glyph cache routines to fully utilise the allocated size of
the tiled buffer on older hardware. To do this we alias all glyph sizes
into the same texture using a technique suggested by Keith Packard.
PineView:
885/856-> 1150/1110 kglyph/s (aa/rgb)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Handle rendering textured video onto an extended desktop (>2048) by
using a temporary pixmap. Note that we still cannot handle rendering to
a greater than 2048 destination region, for that we will need to tile.
Hmm, time to request a 2560x1600, 10bpc monitor...
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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17:53 < arekm> ickle: i830_dri.c:630:28: error: ‘DrawableRec’ has no member named ‘bpp’
17:53 < arekm> ickle: i830_dri.c:630:57: error: ‘DrawableRec’ has no member named ‘bpp’
* sigh. I need to fix this machine to have the right version of the
* headers.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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An unredirected window (thanks Michel for the reminder) is backed by the
Screen pixmap, and so uses a reference of that as its front buffer. The
back buffer is a pixmap appropriately sized for the drawable. When the
application requests to swap its buffers, obviously we cannot simply
exchange the front and back buffer as they do not match, but need to copy
the appropriate region from the back to the front.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This reverts commit 44d45d3fa56f121ce89ffe5b28beb48be01a95df.
Michel Dänzer pointed out the flaw in using the pixmap size instead of
the drawable size:
Using the backing pixmap dimensions for this is not desirable. In
particular, it means that the DRI2 buffers of non-redirected windows
always have the same size as the screen. But even for redirected windows
it wastes some graphics memory with a re-parenting window manager, that
is if it doesn't break in various ways due to the top left corner of the
DRI2 buffers no longer corresponding to the top left corner of the window.
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This avoid using the garbage values stored in the Screen drawable,
instead of the true values which are only maintained in its backing
pixmap. The consequence of using the wrong size was to hand a 1x1
pixmap to metacity/mutter and have it believe it was a full screen
drawable; GPU hangs ensued if using page flipping.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Fixes GPU hang on gen6.
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As we are in full control of the destination (the temporary glyph mask)
and the source (the glyph cache) we know that there are no clip regions
on either and so can skip computing the composite rectangles. (We trust
the device clipping to prevent compositing outside the target.)
x11perf on PineView:
701/686 -> 881/856 kglyphs/s [aa/rgb]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Until we actual resize the glyph cache dynamically, make it obvious to
the reader and the compiler that the size is fixed.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Store the cache position directly on the glyph using a devPrivate rather
than an through auxiliary hash table.
x11perf on PineView:
650/638 kglyphs/s -> 701/686 kglyphs/s [aa/rgb]
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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==7596== Invalid write of size 4
==7596== at 0x491ACA8: intel_batch_teardown (i830_batchbuffer.c:118)
==7596== by 0x491C9D6: I830CloseScreen (i830_driver.c:1419)
==7596== by 0x8103A9C: RRCloseScreen (randr.c:105)
==7596== by 0x80DE794: xf86CrtcCloseScreen (xf86Crtc.c:759)
==7596== by 0x80BEBA3: DGACloseScreen (xf86DGA.c:268)
==7596== by 0x80D044B: DPMSClose (xf86DPMS.c:134)
==7596== by 0x488B050: XvCloseScreen (xvmain.c:320)
==7596== by 0x81841B1: VidModeClose (xf86VidMode.c:110)
==7596== by 0x80EB12F: CursorCloseScreen (cursor.c:191)
==7596== by 0x810CA17: AnimCurCloseScreen (animcur.c:108)
==7596== by 0x816937E: compCloseScreen (compinit.c:86)
==7596== by 0x48D39B9: glxCloseScreen (glxscreens.c:221)
==7596== Address 0x49c1a50 is 24 bytes inside a block of size 52 free'd
==7596== at 0x4024866: free (vg_replace_malloc.c:325)
==7596== by 0x80B023C: Xfree (utils.c:1096)
==7596== by 0x4927CFD: i830_set_pixmap_bo (i830_uxa.c:647)
==7596== by 0x491C9B4: I830CloseScreen (i830_driver.c:1413)
==7596== by 0x8103A9C: RRCloseScreen (randr.c:105)
==7596== by 0x80DE794: xf86CrtcCloseScreen (xf86Crtc.c:759)
==7596== by 0x80BEBA3: DGACloseScreen (xf86DGA.c:268)
==7596== by 0x80D044B: DPMSClose (xf86DPMS.c:134)
==7596== by 0x488B050: XvCloseScreen (xvmain.c:320)
==7596== by 0x81841B1: VidModeClose (xf86VidMode.c:110)
==7596== by 0x80EB12F: CursorCloseScreen (cursor.c:191)
==7596== by 0x810CA17: AnimCurCloseScreen (animcur.c:108)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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This paranoid check is deceased; pining for the fjords.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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[xserver-1.8] The damage layer doesn't wrap CompositeRects, so we need to
manually append the damaged region ourselves. This works for
miCompsiteRects since that translates the call into multiple invocations
of either PolyFillRectangle or Composite, which themselves cause damage.
Fixes:
Bug 28120 - Tint2's tooltip borders end up at 0,0 and do not disappear
https://bugs.freedesktop.org/show_bug.cgi?id=28120
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Since we have at most 8 bits of alpha, we treat >= 0xff00 as opaque.
However, being paranoid we should set the alpha value to 0xfff in case
something unexpected happens when converting from the xRenderColor to
the pixel value.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Due to the relocation overhead, using a single composite with many
rectangles outperforms many solid blits.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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In the extremely unlikely event that the higher layer erroneous gave us
an empty fill, skip it.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Fixes:
Bug 28120 - Tint2's tooltip borders end up at 0,0 and do not disappear
https://bugs.freedesktop.org/show_bug.cgi?id=28120
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Tweak glyphs to improve x11perf on i915 by about 33%.
PineView, aa10text: 460 -> 617 kglyphs/s.
PineView, rgb10text: 434 -> 610 kglyphs/s.
Speedups
========
xcb poppler 18.636 -> 13.958: 1.34x speedup
xlib firefox-talos-gfx 71.905 -> 56.232: 1.28x speedup
xcb firefox-talos-gfx 72.882 -> 57.969: 1.26x speedup
xlib gnome-terminal-vim 38.126 -> 34.472: 1.11x speedup
xcb gnome-terminal-vim 35.164 -> 32.573: 1.08x speedup
xlib poppler 19.634 -> 18.246: 1.08x speedup
Note the lack of significant improvement for firefox-planet-gnome.
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On PineView:
578/621 -> 610/617 kglyphs/sec [rgb/aa]
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If the destination cannot fit into the 3D pipeline when we need to
composite, we fallback to doing the operation on the CPU. This is very
slow, and quite easy to trigger on i915 by plugging in an external
display.
An alternative is to extract the extents of the operation from the
destination using the blitter which can usually handle much larger
operations. This gives us a temporary target that can fit into the 3D
pipeline and thus be accelerated, before copying back into the larger
real destination.
For x11perf this boosts glyph rendering on PineView, from 38kglyphs/s to
480kglyphs/s. Just a little shy of the native performance of 601kglyphs/s
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Without using a mask and compositing directly onto the destination,
takes us from 580 kglyphs/s to 850 kglyphs/s on i945 [x11perf -aa10text].
However, the extra intersection check almost entirely cancels out the
speed up and we discover that the glyphs in x11perf are always
overlapping. Nothing is ever easy.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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500 -> 580kglyphs/s on i945.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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When compositing, we need to convert the box into a rect and so the
advantages of using REGION_TRANSLATE are lost.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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In theory this should allow us to pack far more operations into a single
batch buffer, and reduce our overheads.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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By using pwrite() instead of dri_bo_map() we can write to the batch buffer
through the GTT and not be forced to map it back into the CPU domain and
out again, eliminating a double clflush.
Measing x11perf text performance on PineView:
Before:
16000000 trep @ 0.0020 msec (511000.0/sec): Char in 80-char aa line (Charter 10)
16000000 trep @ 0.0021 msec (480000.0/sec): Char in 80-char rgb line (Charter 10)
After:
16000000 trep @ 0.0019 msec (532000.0/sec): Char in 80-char aa line (Charter 10)
16000000 trep @ 0.0020 msec (496000.0/sec): Char in 80-char rgb line (Charter 10)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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On my PineView box these represent ~5% overhead on x11perf text:
Before:
16000000 trep @ 0.0020 msec (495000.0/sec): Char in 80-char aa line (Charter 10)
12000000 trep @ 0.0022 msec (461000.0/sec): Char in 80-char rgb line (Charter 10)
After:
16000000 trep @ 0.0020 msec (511000.0/sec): Char in 80-char aa line (Charter 10)
16000000 trep @ 0.0021 msec (480000.0/sec): Char in 80-char rgb line (Charter 10)
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Combine all the calls to composite between prepare_composite and
done_composite into a single primitive list, rather than a primitive
call per composite().
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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Use composite rather than solid blits in order to bring performance on
a par with the CPU when using GEM and relocations.
Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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