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* util: Move gallium's PIPE_FORMAT utils to /util/format/Eric Anholt2019-11-141-1/+22
| | | | | | | | | | | | | | | To make PIPE_FORMATs usable from non-gallium parts of Mesa, I want to move their helpers out of gallium. Since u_format used util_copy_rect(), I moved that in there, too. I've put it in a separate directory in util/ because it's a big chunk of related code, and it's not clear to me whether we might want it as a separate library from libmesa_util at some point. Closes: #1905 Acked-by: Marek Olšák <[email protected]> Reviewed-by: Kristian H. Kristensen <[email protected]> Reviewed-by: Alyssa Rosenzweig <[email protected]>
* util: Add a util_sparse_array data structureJason Ekstrand2019-10-311-0/+2
| | | | Reviewed-by: Lionel Landwerlin <[email protected]>
* Move blob from compiler/ to util/Jason Ekstrand2019-09-191-0/+2
| | | | | | | | There's nothing whatsoever compiler-specific about it other than that's currently where it's used. Reviewed-by: Kristian H. Kristensen <[email protected]> Reviewed-by: Lionel Landwerlin <[email protected]>
* util: add fp64 -> fp32 conversion support for RTNE and RTZ rounding modesSamuel Iglesias Gonsálvez2019-09-171-0/+2
| | | | | | | | | | | | | | | | | | | | | | In order to be coherent with the pre-existent API for half floats, this new API for double is the one meant to be used when doing double to float conversions. It is no more than a wrapper for the softfloat.h API but we meant to keep that one private. v2: - Fix bug in _mesa_double_to_float_rtz() in the inf/nan detection using the exponent value. v3: - Replace custom f64 -> f32 implementations with the softfloat one (Andres). v4: - Added API usage clarifying comments (Caio). Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Signed-off-by: Andres Gomez <[email protected]> Reviewed-by: Caio Marcelo de Oliveira Filho <[email protected]>
* util: add softfloat functions to operate with doubles and floatsSamuel Iglesias Gonsálvez2019-09-171-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | Implemented fadd, fsub, fmul and ffma for doubles and ffma for floats, rounding to zero, using a modified implementation from Berkely Softfloat 3e Library. Their implementation correctness has been checked with the Berkeley TestFloat Release 3e tool for x86_64. v2: - Reuse util_last_bit64() in _mesa_count_leading_zeros64() implementation (Connor). v3: - Add a specific ffma for floats version (Connor). - Implement the ffma for doubles version (Andres). - Lots of fixes in fadd, fsub and fmul (Andres). - Improved documentation (Andres). v4: - Added f64 -> f32 conversion function (Andres). - Added f32 -> f16 RTZ conversion function (Andres). Signed-off-by: Samuel Iglesias Gonsálvez <[email protected]> Signed-off-by: Andres Gomez <[email protected]> Tested-by: Andres Gomez <[email protected]> Acked-by: Caio Marcelo de Oliveira Filho <[email protected]>
* util: add anon_file.h for all memfd/temp file usageGreg V2019-08-071-0/+2
| | | | | | | | | Move the Weston os_create_anonymous_file code from egl/wayland into util, add support for Linux memfd and FreeBSD SHM_ANON, use that code in anv/aubinator instead of explicit memfd calls for portability. Acked-by: Lionel Landwerlin <[email protected]> Reviewed-by: Eric Engestrom <[email protected]>
* util: add a timespec helperLionel Landwerlin2019-07-291-0/+1
| | | | | | | | Copied from Weston, upon Daniel's suggestion Signed-off-by: Lionel Landwerlin <[email protected]> Suggested-by: Daniel Stone <[email protected]> Reviewed-by: Daniel Stone <[email protected]>
* util: add os_read_file() helperEric Engestrom2019-04-301-0/+2
| | | | | | | | readN() taken from igt. os_read_file() inspired by igt_sysfs_get() Signed-off-by: Eric Engestrom <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]>
* util: Add a DAG datastructure.Eric Anholt2019-03-111-0/+2
| | | | | | I keep writing this for various schedulers. Acked-by: Timothy Arceri <[email protected]>
* util: promote u_memory to src/utilDylan Baker2018-11-271-0/+5
| | | | | as well as os_memory* Reviewed-by: Rob Clark <[email protected]>
* util: move u_cpu_detect to utilDylan Baker2018-10-301-0/+2
| | | | | | | | | CC: [email protected] Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=107870 Fixes: 80825abb5d1a7491035880253ffd531c55acae6b ("move u_math to src/util") Tested-by: Brian Paul <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* util: Move u_debug to utilsDylan Baker2018-10-301-0/+2
| | | | | Tested-by: Brian Paul <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* util: Move os_misc to utilDylan Baker2018-10-301-0/+2
| | | | | | | this is needed by u_debug Tested-by: Brian Paul <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* util: import public domain code for integer division by a constantMarek Olšák2018-10-101-0/+2
| | | | | | | | | | | | | Compilers can use this to generate optimal code for integer division by a constant. Additionally, an unsigned division by a uniform that is constant but not known at compile time can still be optimized by passing 2-4 division factors to the shader as uniforms and executing one of the fast_udiv* variants. The signed division algorithm doesn't have this capability. Reviewed-by: Jason Ekstrand <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* util: Add a simple big math libraryJason Ekstrand2018-10-101-0/+1
| | | | Reviewed-by: Ian Romanick <[email protected]>
* move u_math to src/utilDylan Baker2018-09-071-0/+2
| | | | | | | | | | | | | | | Currently we have two sets of functions for bit counts, one in gallium and one in core mesa. The ones in core mesa are header only in many cases, since they reduce to "#define _mesa_bitcount popcount", but they provide a fallback implementation. This is important because 32bit msvc doesn't have popcountll, just popcount; so when nir (for example) includes the core mesa header it doesn't (and shouldn't) link with core mesa. To fix this we'll promote the version out of gallium util, then replace the core mesa uses with the util version, since nir (and other non-core mesa users) can and do link with mesautils. Acked-by: Eric Engestrom <[email protected]> Reviewed-by: Ian Romanick <[email protected]>
* util: move process.[ch] to u_process.[ch]Dylan Baker2018-08-011-2/+2
| | | | | | | | | | | | | On windows process.h is a system provided header, and it's required in include/c11/threads_win32.h. This header interferes with searching for that header, and results in windows build warnings with scons, but errors in meson which doesn't allow implicit function declarations. Just rename process to u_process, which follows the style of utils anyway. Fixes: 2e1e6511f76370870b5cde10caa9ca3b6d0dc65f ("util: extract get_process_name from xmlconfig.c") Signed-off-by: Dylan Baker <[email protected]> Reviewed-by: Marek Olšák <[email protected]>
* util: rb-tree: A simple, invasive, red-black treeJason Ekstrand2018-07-051-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | This is a simple, invasive, liberally licensed red-black tree implementation. It's an invasive data structure similar to the Linux kernel linked-list where the intention is that you embed a rb_node struct the data structure you intend to put into the tree. The implementation is mostly based on the one in "Introduction to Algorithms", third edition, by Cormen, Leiserson, Rivest, and Stein. There were a few other key design points: * It's an invasive data structure similar to the [Linux kernel linked list]. * It uses NULL for leaves instead of a sentinel. This means a few algorithms differ a small bit from the ones in "Introduction to Algorithms". * All search operations are inlined so that the compiler can optimize away the function pointer call. Reviewed-by: Lionel Landwerlin <[email protected]>
* util: extract get_process_name from xmlconfig.cMarek Olšák2018-07-041-0/+2
| | | | | Reviewed-by: Timothy Arceri <[email protected]> Reviewed-by: Eric Engestrom <[email protected]>
* util: Add a virtual memory allocatorJason Ekstrand2018-05-311-1/+3
| | | | | | | | | | | | | | | | | | | | | | This is simple linear-walk first-fit allocator roughly based on the allocator in the radeon winsys code. This allocator has two primary functional differences: 1) It cleanly returns 0 on allocation failure 2) It allocates addresses top-down instead of bottom-up. The second one is needed for Intel because high addresses (with bit 47 set) need to be canonicalized in order to work properly. If we allocate bottom-up, then high addresses will be very rare (if they ever happen). We'd rather always have high addresses so that the canonicalization code gets better testing. v2: - [scott-ph] remove _heap_validate() if NDEBUG is defined (Jordan) Reviewed-by: Scott D Phillips <[email protected]> Tested-by: Scott D Phillips <[email protected]> Reviewed-by: Kenneth Graunke <[email protected]>
* util: move os_time.[ch] to src/utilNicolai Hähnle2017-11-091-0/+2
| | | | Reviewed-by: Marek Olšák <[email protected]>
* util: move futex helpers into futex.hNicolai Hähnle2017-11-091-0/+1
| | | | | | v2: style fixes Reviewed-by: Marek Olšák <[email protected]> (v1)
* mesa: Add new fast mtx_t mutex type for basic use casesTimothy Arceri2017-11-091-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | While modern pthread mutexes are very fast, they still incur a call to an external DSO and overhead of the generality and features of pthread mutexes. Most mutexes in mesa only needs lock/unlock, and the idea here is that we can inline the atomic operation and make the fast case just two intructions. Mutexes are subtle and finicky to implement, so we carefully copy the implementation from Ulrich Dreppers well-written and well-reviewed paper: "Futexes Are Tricky" http://www.akkadia.org/drepper/futex.pdf We implement "mutex3", which gives us a mutex that has no syscalls on uncontended lock or unlock. Further, the uncontended case boils down to a cmpxchg and an untaken branch and the uncontended unlock is just a locked decr and an untaken branch. We use __builtin_expect() to indicate that contention is unlikely so that gcc will put the contention code out of the main code flow. A fast mutex only supports lock/unlock, can't be recursive or used with condition variables. We keep the pthread mutex implementation around as for the few places where we use condition variables or recursive locking. For platforms or compilers where futex and atomics aren't available, simple_mtx_t falls back to the pthread mutex. The pthread mutex lock/unlock overhead shows up on benchmarks for CPU bound applications. Most CPU bound cases are helped and some of our internal bind_buffer_object heavy benchmarks gain up to 10%. Signed-off-by: Kristian Høgsberg <[email protected]> Signed-off-by: Timothy Arceri <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]>
* util: Add a string buffer implementationThomas Helland2017-09-261-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Based on Vladislav Egorovs work on the preprocessor, but split out to a util functionality that should be universal. Setup, teardown, memory handling and general layout is modeled around the hash_table and the set, to make it familiar for everyone. A notable change is that this implementation is always null terminated. The rationale is that it will be less error-prone, as one might access the buffer directly, thereby reading a non-terminated string. Also, vsnprintf and friends prints the null-terminator. Signed-off-by: Thomas Helland <[email protected]> Tested-by: Dieter Nützel <Dieter at nuetzel-hh.de> Reviewed-by: Nicolai Hähnle <[email protected]> V2: Address review feedback from Timothy and Grazvydas - Fix MINGW preprocessor check - Changed len from uint to int - Make string argument const in append function - Move to header and inline append function - Add crimp_to_fit function for resizing buffer V3: Move include of ralloc to string_buffer.h V4: Use u_string.h for a cross-platform working vsnprintf V5: Remember to cast to char * in crimp function V6: Address review feedback from Nicolai - Handle !str->buf in buffer_create - Ensure va_end is always called in buffer_append_all - Add overflow check in buffer_append_len - Do not expose buffer_space_left, just remove it - Clarify why a loop is used in vprintf, change to for-loop - Add a va_copy to buffer_vprintf to fix failure to append arguments when having to resize the buffer for vsnprintf. V7: Address more review feedback from Nicolai - Add missing va_end corresponding to va_copy - Error check failure to allocate in crimp_to_fit
* util: move string_to_uint_map to glslEmil Velikov2017-08-291-2/+0
| | | | | | | | | | | | | | | | | | The functionality is used by glsl and mesa. With the latter already depending on the former. With this in place the src/util/ static library libmesautil.la no longer has a C++ dependency. Thus objects which use it (like libEGL) don't need the C++ link. Cc: "17.2" <[email protected]> Fixes: 02cc35937277 ("egl/wayland: Use linux-dmabuf interface for buffers") Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=101851 Signed-off-by: Emil Velikov <[email protected]> Suggested-by: Jason Ekstrand <[email protected]> Reviewed-by: Jason Ekstrand <[email protected]> Tested-by: Mike Lothian <[email protected]> Tested-by: James Harvey <[email protected]>
* xmlconfig: move into src/utilNicolai Hähnle2017-07-311-0/+4
| | | | | | | | v2: attempt to fix Android build (Emil) v3: add missing include path Reviewed-by: Marek Olšák <[email protected]> (v1)
* util: Move u_dynarray to src/utilThomas Helland2017-06-071-0/+1
| | | | | | | This will be used as the basis for unification Reviewed-by: Marek Olšák <[email protected]> Reviewed-by: Eric Engestrom <[email protected]>
* util/vulkan: Move Vulkan utilities to src/vulkan/utilAlex Smith2017-06-061-3/+1
| | | | | | | | | | | | | We have Vulkan utilities in both src/util and src/vulkan/util. The latter seems a more appropriate place for Vulkan-specific things, so move them there. v2: Android build system changes (from Tapani Pälli) Signed-off-by: Alex Smith <[email protected]> Reviewed-by: Emil Velikov <[email protected]> Reviewed-by: Eric Engestrom <[email protected]> Acked-by: Jason Ekstrand <[email protected]>
* util/u_atomic: provide 64bit atomics where they're missingGrazvydas Ignotas2017-04-031-0/+1
| | | | | | | | | | | | | | | | There are still some distributions trying to support unfortunate people with old or exotic CPUs that don't have 64bit atomic operations. When compiling for such a machine, gcc conveniently inserts a library call to a helper, but it's implementation is missing and we get a linker error. This allows us to provide our own implementation, which is marked weak to prefer a better implementation, should one exist. v2: changed copyright, some style adjustments v3: [mattst88] Print results with AC_MSG_CHECKING/AC_MSG_RESULT Bugzilla: https://bugs.freedesktop.org/show_bug.cgi?id=93089 Signed-off-by: Grazvydas Ignotas <[email protected]> Reviewed-by: Matt Turner <[email protected]>
* util: move rand_xorshift128plus() to utilsTimothy Arceri2017-03-231-0/+2
| | | | | | | | V2: pass the seed to rand_xorshift128plus() so that we can isolate its uses. Reviewed-by: Grazvydas Ignotas <[email protected]> Reviewed-by: Nicolai Hähnle <[email protected]>
* util: automake: beautify sources listEmil Velikov2017-03-221-3/+3
| | | | | | | | | Remove trailing tabs and sort alphabetically. Signed-off-by: Emil Velikov <[email protected]> Acked-by: Vedran Miletić <[email protected]> Acked-by: Juha-Pekka Heikkila <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]>
* util: inline strndup implementation in the headerEmil Velikov2017-03-221-1/+0
| | | | | | | Signed-off-by: Emil Velikov <[email protected]> Acked-by: Vedran Miletić <[email protected]> Acked-by: Juha-Pekka Heikkila <[email protected]> Reviewed-by: Edward O'Callaghan <[email protected]>
* gallium/util: move u_queue.{c,h} to src/utilTimothy Arceri2017-03-121-0/+2
| | | | | | | This will allow us to use it outside of gallium for things like compressing shader cache entries. Reviewed-by: Marek Olšák <[email protected]>
* util: add u_thread.hTimothy Arceri2017-03-121-0/+1
| | | | | | | This is a minimal copy of os_thread.h from gallium in order to move u_queue.{c,h} to this directory. Reviewed-by: Marek Olšák <[email protected]>
* gallium/util: move u_string.h to src/util/u_string.hTimothy Arceri2017-03-121-0/+1
| | | | | | | | This will help us move u_queue.c here eventually and also provide string function wrappers for anyone wishing to port disk_cache.c to windows. Reviewed-by: Marek Olšák <[email protected]>
* util: Add utility build-id code.Matt Turner2017-02-151-0/+2
| | | | | | | | Provides the ability to read the .note.gnu.build-id section of ELF binaries, which is inserted by the --build-id=... flag to ld. Reviewed-by: Emil Velikov <[email protected]> Reviewed-by: Chad Versace <[email protected]>
* util: Fix a typo in Makefile.sourcesJason Ekstrand2017-02-151-1/+1
| | | | Reviewed-by: Eric Engestrom <[email protected]>
* util: Add helpers for iterating over Vulkan extension structsJason Ekstrand2017-02-141-1/+2
| | | | Reviewed-by: Dave Airlie <[email protected]>
* util: import sha1 implementation from OpenBSD17.0-branchpointEmil Velikov2017-01-181-0/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | At the moment we support 5+ different implementations each with varying amount of bugs - from thread safely problems [1], to outright broken implementation(s) [2] In order to accommodate these we have 150+ lines of configure script and extra two configure toggles. Whist an actual implementation being ~200loc and our current compat wrapping ~250. Let's not forget that different people use different code paths, thus effectively makes it harder to test and debug since the default implementation is automatically detected. To minimise all these lovely experiences, import the "100% Public Domain" OpenBSD sha1 implementation. Clearly document any changes needed to get building correctly, since many/most of those can be upstreamed making future syncs easier. As an added bonus this will avoid all the 'fun' experiences trying to integrate it with the Android and SCons builds. v2: Manually expand __BEGIN_DECLS/__END_DECLS and document (Tapani). Furthermore it seems that some games (or surrounding runtime) static link against OpenSSL resulting in conflicts. For more information see the discussion thread [3] Bugzilla [1]: https://bugs.freedesktop.org/show_bug.cgi?id=94904 Bugzilla [2]: https://bugs.freedesktop.org/show_bug.cgi?id=97967 [3] https://lists.freedesktop.org/archives/mesa-dev/2017-January/140748.html Cc: Mark Janes <[email protected]> Cc: Vinson Lee <[email protected]> Cc: Tapani Pälli <[email protected]> Cc: Jonathan Gray <[email protected]> Tested-by: Jonathan Gray <[email protected]> Signed-off-by: Emil Velikov <[email protected]> Acked-by: Tapani Pälli <[email protected]> (v1) Acked-by: Jason Ekstrand <[email protected]> (v1)
* util: import CRC32 implementation from galliumMarek Olšák2016-11-221-0/+2
| | | | Reviewed-by: Timothy Arceri <[email protected]>
* util: import cache.c/h from glslMarek Olšák2016-11-151-0/+2
| | | | | | | | | | It's not dependent on GLSL and it can be useful for shader caches that don't deal with GLSL. v2: address review comments v3: keep the other 3 lines in configure.ac Reviewed-by: Emil Velikov <[email protected]>
* vulkan: add vk_alloc.h shared allocation inlines.Dave Airlie2016-10-191-1/+2
| | | | | | | | vulkan allocation allows for overriding the allocator used, add some macros for anv/radv to share for this. Acked-by: Jason Ekstrand <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* util: add vector util code.Dave Airlie2016-10-191-1/+3
| | | | | | | | This is ported from anv, both anv and radv can share this. Reviewed-by: Nicolai Hähnle <[email protected]> Acked-by: Jason Ekstrand <[email protected]> Signed-off-by: Dave Airlie <[email protected]>
* mesa/glsl: Move string_to_uint_map into the util folderThomas Helland2016-09-121-0/+2
| | | | | | | | | | This clears the last bits of the usecases of the hash table located in mesa/program, allowing us to remove it. V2: Rebase on top of changes to Makefile.sources Signed-off-by: Thomas Helland <[email protected]> Reviewed-by: Timothy Arceri <[email protected]>
* util: import the slab allocator from galliumMarek Olšák2016-09-061-0/+2
| | | | There are also some cosmetic changes.
* gallium/util: move endian detect into a separate fileDave Airlie2016-09-061-1/+2
| | | | | | | | 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]>
* util: Move format_r11g11b10f.h to src/utilJason Ekstrand2016-08-051-0/+1
| | | | | | | It's used from both mesa main and gallium. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Roland Scheidegger <[email protected]>
* util: Move format_rgb9e5.h to src/utilJason Ekstrand2016-08-051-0/+1
| | | | | | | It's used from both mesa main and gallium. Signed-off-by: Jason Ekstrand <[email protected]> Reviewed-by: Roland Scheidegger <[email protected]>
* mesa/gallium: Move u_bit_scan{,64} from gallium to util.Mathias Fröhlich2016-06-141-0/+2
| | | | | | | | | | | | | | | 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]>
* glsl: move half<->float convertion to utilRob Clark2015-10-161-0/+2
| | | | | | | | 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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