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There are also some cosmetic changes.
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This just ports the simpler endian detection bits, addrlib
sharing wants this outside gallium.
Acked-by: Marek Olšák <[email protected]>
Reviewed-by: Nicolai Hähnle <[email protected]>
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It's used from both mesa main and gallium.
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
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It's used from both mesa main and gallium.
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Roland Scheidegger <[email protected]>
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The functions are also useful for mesa.
Introduce src/util/bitscan.{h,c}. Move ffs function
implementations from src/mesa/main/imports.{h,c}.
Move bit scan related functions from
src/gallium/auxiliary/util/u_math.h. Merge platform
handling with what is available from within mesa.
v2: Try to fix MSVC compile.
Reviewed-by: Brian Paul <[email protected]>
Tested-by: Brian Paul <[email protected]>
Signed-off-by: Mathias Fröhlich <[email protected]>
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Needed in NIR too, so move out of mesa/main/imports.c
Reviewed-by: Jason Ekstrand <[email protected]>
Reviewed-by: Emil Velikov <[email protected]>
Signed-off-by: Rob Clark <[email protected]>
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We want to use intel_debug.c in code that doesn't link to dri common.
v2: Remove unnecessary stddef.h include (Topi), use util/debug.h
in all DRI driver and remove driParseDebugString() (Iago).
Reviewed-by: Topi Pohjolainen <[email protected]>
Signed-off-by: Kristian Høgsberg Kristensen <[email protected]>
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v2:
- Add strndup.h to Makefile.sources (Emil)
- Use calloc instead of malloc (Emil).
- Check if allocation fails (Emil, Jose)
- Add '#pragma once' and include stdlib.h to strndup.h (Jose)
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=92124
Reviewed-by: Jose Fonseca <[email protected]>
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SHA1 is now used in all builds when HAVE_SHA1 is defined. Adjust src to
do the same thing, rather than predicating on shader cache.
Fixes: 04e201d0c02 ("mesa: change 'SHADER_SUBST' facility to work with env variables")
Signed-off-by: Ilia Mirkin <[email protected]>
Reviewed-by: Dave Airlie <[email protected]>
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_mesa_strtod and _mesa_strtof are only used from the GLSL compiler and
the ARB_[vertex|fragment]_program code, meaning that the locale doesn't
need to be initialized before the first OpenGL context gets initialized.
So let's use explicit initialization from the one-time init code instead
of depending on a C++ compiler to initialize at image-load time.
Signed-off-by: Erik Faye-Lund <[email protected]>
Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Brian Paul <[email protected]>
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The linked list in gallium is pretty much the kernel list and we would like
to have a C-based linked list for all of mesa. Let's not duplicate and
just steal the gallium one.
Acked-by: Connor Abbott <[email protected]>
Reviewed-by: Rob Clark <[email protected]>
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Eric's initial patch adding constant expression evaluation for
ir_unop_round_even used nearbyint. The open-coded _mesa_round_to_even
implementation came about without much explanation after a reviewer
asked whether nearbyint depended on the application not modifying the
rounding mode. Of course (as Eric commented) we rely on the application
not changing the rounding mode from its default (round-to-nearest) in
many other places, including the IROUND function used by
_mesa_round_to_even!
Worse, IROUND() is implemented using the trunc(x + 0.5) trick which
fails for x = nextafterf(0.5, 0.0).
Still worse, _mesa_round_to_even unexpectedly returns an int. I suspect
that could cause problems when rounding large integral values not
representable as an int in ir_constant_expression.cpp's
ir_unop_round_even evaluation. Its use of _mesa_round_to_even is clearly
broken for doubles (as noted during review).
The constant expression evaluation code for the packing built-in
functions also mistakenly assumed that _mesa_round_to_even returned a
float, as can be seen by the cast through a signed integer type to an
unsigned (since negative float -> unsigned conversions are undefined).
rint() and nearbyint() implement the round-half-to-even behavior we want
when the rounding mode is set to the default round-to-nearest. The only
difference between them is that nearbyint() raises the inexact
exception.
This patch implements _mesa_roundeven{f,}, a function similar to the
roundeven function added by a yet unimplemented technical specification
(ISO/IEC TS 18661-1:2014), with a small difference in behavior -- we
don't bother raising the inexact exception, which I don't think we care
about anyway.
At least recent Intel CPUs can quickly change a subset of the bits in
the x87 floating-point control register, but the exception mask bits are
not included. rint() does not need to change these bits, but nearbyint()
does (twice: save old, set new, and restore old) in order to raise the
inexact exception, which would incur some penalty.
Reviewed-by: Carl Worth <[email protected]>
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Reviewed-by: Jose Fonseca <[email protected]>
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We have two copies of it in the tree, I'm going to delete one.
Reviewed-by: Marek Olšák <[email protected]>
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The filename of sha1.h was conflicting with the system-provided
sha1.h, (and in some confiurations, our sha1.c was unsuccessfully
attemping to include "sha1.h" and <sha1.h> as two different files).
Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=88523
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We don't actually have the code for the shader cache just yet, but
this configure machinery puts everything in place so that the shader
cache can be optionally compiled in.
Specifically, if the user passes no option (neither
--disable-shader-cache, nor --enable-shader-cache), then this feature
will be automatically detected based on the presence of a usable SHA-1
library. If no suitable library can be found, then the shader cache
will be automatically disabled, (and reported in the final output from
configure).
The user can force the shader-cache feature to not be compiled, (even
if a SHA-1 library is detected), by passing
--disable-shader-cache. This will prevent the compiled Mesa libraries
from depending on any library for SHA-1 implementation.
Finally, the user can also force the shader cache on with
--enable-shader-cache. This will cause configure to trigger a fatal
error if no sutiable SHA-1 implementation can be found for the
shader-cache feature.
Bug fix by José Fonseca <[email protected]>: Fix to put conditional
assignment in Makefile.am, not Makefile.sources to avoid breaking
scons build.
Note: As recommended by José, with this commit the scons build will
not compile any of the SHA-1-using code. This is waiting for someone
to write SConstruct detection of the available SHA-1 libraries, (and
set the appropriate HAVE_SHA1_* variables).
Reviewed-by: Matt Turner <[email protected]>
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The upcoming shader cache uses the SHA-1 algorithm for cryptographic
naming. These new mesa_sha1 functions are implemented with any one of
several differeny cryptographics libraries.
This code was copied from the xserver repository, (where it has
apparently been functioning well on a variety of operating systems),
and comes licensed with a license identical to that of Mesa.
Bug fixes by José Fonseca <[email protected]>: Fix to put
conditional assignment in Makefile.am, not Makefile.sources to avoid
breaking scons build. Fix include file for CryptoAPI section. Fix
missing cast in openssl section.
Reviewed-by: Matt Turner <[email protected]>
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Reviewed-by: Matt Turner <[email protected]>
Reviewed-by: Eric Anholt <[email protected]>
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Both core mesa and glsl have their own wrappers for strtof_l. Merge
and move them to util/. They are compiled with a C++ compiler so that
we can make them thread-safe in a following commit.
Signed-off-by: Chia-I Wu <[email protected]>
Reviewed-by: Kenneth Graunke <[email protected]>
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The r300 gallium driver is using it outside of the Mesa tree, and I wanted
to do so for vc4 as well. Rather than make the multiple-definitions
problem even more complicated, just move it to more-shared code.
v2: Don't forget to delete the symlink in r300 (review by Matt).
Delete more r300-helper references (review by Emil)
Don't prefix util/ header inclusion with "util/" (review by Emil)
Reviewed-by: Matt Turner <[email protected]> (v1)
Reviewed-by: Emil Velikov <[email protected]> (v1)
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This was being shared using a ../../ get out of gallium into
mesa, and I swore when I did it I'd fix things when we got a util
dir, we did, so I have.
v2: move RGTC_DEBUG define
Reviewed-by: Jason Ekstrand <[email protected]>
Signed-off-by: Dave Airlie <[email protected]>
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Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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This hash table is used in core Mesa, the GLSL compiler, and the i965
driver, which makes it a good candidate for the new src/util module.
It's much faster than program/hash_table.[ch] (see commit 6991c2922f5
for data), and José's u_hash_table.c has a comment saying Gallium should
probably consider switching to a linear probing hash table at some point.
So this seems like the best candidate for a shared data structure.
Signed-off-by: Kenneth Graunke <[email protected]>
v2 (Jason Ekstrand): Pick up another hash_table use and patch up scons
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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For a long time, we've wanted a place to put utility code which isn't
directly tied to Mesa or Gallium internals. This patch creates a new
src/util directory for exactly that purpose, and builds the contents as
libmesautil.la.
ralloc seemed like a good first candidate. These days, it's directly
used by mesa/main, i965, i915, and r300g, so keeping it in src/glsl
didn't make much sense.
Signed-off-by: Kenneth Graunke <[email protected]>
v2 (Jason Ekstrand): More realloc uses and some scons fixes
Signed-off-by: Jason Ekstrand <[email protected]>
Reviewed-by: Marek Olšák <[email protected]>
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