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It just duplicated the default/core Mesa behaviour.
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Drivers still reject them today, but cairo would like to use these.
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It looks like we were reading a fractional value, multiplying by an
enormous negative value, then stuffing that value into a bitfield
assuming it was already clamped. This becomes relevant for GL_ALPHA
or R/RG FBOs.
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This avoids many pipeline stalls in cairo-gl.
[ # ] backend test min(s) median(s) stddev. count
Before:
[ 0] gl firefox-talos-gfx 36.799 36.851 2.34% 3/3
[ 0] gl firefox-talos-svg 33.429 35.360 3.46% 3/3
After:
[ 0] gl firefox-talos-gfx 35.895 36.250 0.48% 3/3
[ 0] gl firefox-talos-svg 26.669 29.888 5.34% 3/3
This doesn't avoid all the pipeline stalls because the kernel reports
!busy for buffers on the flushing list. That should be fixed in .36.
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In exchange we end up with an extra memcpy, but that seems better than
calloc/free. Each buffer is 4k maximum, and on the i965-streaming
branch this allocation was showing up as the top entry in
brw_validate_state profiling for cairo-gl.
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There were entries to this function (most imporantly, prepare_render
-> update_renderbuffers) that wouldn't have had NEW_BUFFERS set, but
brw_wm_surface_state (the i965 state tracking the drawing regions)
expected this to change.
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The new API makes so much more sense, I'd like to forget how the old
one worked.
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The slightly less mechanical change of converting the emit_reloc calls
will follow.
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Okay I think this is good enough for now, I can't see any other reason
for mesa to want to use a sampler view so lets just leave it at all the A->X conversions for now.
I've been running gnome-shell under r300g with this for day or so and it seems fine.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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There is nothing driver-specific about this one.
I've also tested it just to be sure.
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This extension is implemented in the texenv program.
Gallium drivers pass patched glean/texCombine.
(I am going to send the patch soon)
Catalyst9.3 advertises this extension too so I don't see a reason we shouldn't.
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The specifications are identical.
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Signed-off-by: Chris Wilson <chris@chris-wilson.co.uk>
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The drawing rectangle is given in *inclusive* pixel values, so the range
is only [0,2047]. Hence when rendering to a 2048 wide target, such as an
extended desktop, we would issue an illegal instruction zeroing the draw
area.
Fixes:
Bug 27408: Primary and Secondary display blanks in extended
desktop mode with Compiz enabled
https://bugs.freedesktop.org/show_bug.cgi?id=27408
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 passes on r300g, the only bit I'm not really sure about is the handling
of the sampler_view in st_atom_texture.c, I unreference it there if the swizzle
value changes and I also have to create a new set of functions to create a new
one since the u_sampler.c ones don't handle swizzle so much.
adds r300g + softpipe enables, I think other drivers could pass easily enough.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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Fixes piglit/glsl-vs-vec4-indexing-4.
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And sort the "case" statements alphabetically.
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The support for XRGB8888 appeared in the 855 and 865, and this format
is reserved on 830/845. This should fix a regression from
b4a6169412819cc3a027c6a118f0537911145a30 that caused hangs in etracer
on 845s.
Bug #26557.
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Otherwise, we'd run into minlod > maxlod, and the sampler would give
us the undefined we asked for.
Bug #24846. Fixes OGLC texlod.c.
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Fixes piglit fxt1-teximage since
7554b83a21bd62b20df5a7327b69f08108ac9ab6, and also OGLC tests that hit
FXT1 with a million other things.
Bug #28184.
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Conflicts:
src/gallium/state_trackers/python/p_context.i
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This fixes an issue that was missed with commit
9f544394c1d059ce09c8bb2b5e11f5e871c7915f.
Fixes piglit glsl-texcoord-array.shader_test
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For example, if the fragment shader reads gl_TexCoord[i] with a
dynamic index we need to set all the InputsRead bits for all
texcoords. We were already doing this for shader outputs.
Refactored the later code so inputs and outputs are handled with
similar code.
Fixes a swrast failure with piglit's glsl-texcoord-array.shader_test
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Multiple item params are OK because we don't allow swizzles for them
(in case you do array access to hit their elements, for example). For
singles, though, using the swizzle can cut down on storage, we do want
to allow a swizzled use of another param.
Fixes OGLC texRect.c.
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The pixel transfer rules state that we must set alpha to 1.0 in this case
which we can't easily do with the blitter. We can do to passes: one that
sets the alpha to 0xff and one that copies the RGB bits or we can just
use the 3D engine. Neither approach seems worth it for this case.
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Commit 5d0e136eff54a34258b5adaeda4cb267831e8234 exposed a long-standing
bug in the glGetUniform*() code paths. We weren't properly decoding
the location parameter.
Fixes fd.o bug/regression 28344
Note: this patch should go into the 7.8 branch after the above-mentioned
commit.
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This adds TFP support to the swrast driver, with this I can run gnome-shell inside Xephyr slowly. I've no idea why I did it, and g-s has other rendering issues under swrast, but it might be useful to hook up llvmpipe later. I've no idea if I even want to commit it at this point.
An enhanced version might just pass the pointer in the indirect rendering case
and avoid the memcpy.
Signed-off-by: Dave Airlie <airlied@redhat.com>
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