mirror of
https://gitlab.freedesktop.org/pipewire/pipewire.git
synced 2025-11-15 07:00:05 -05:00
f391353c7f
This is more in line with wayland and it allows us to create new interfaces in modules without having to add anything to the type enum. It also removes some lookups to map type_id to readable name in debug.
126 lines
4.4 KiB
C
126 lines
4.4 KiB
C
/* Simple Plugin API
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*
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* Copyright © 2018 Wim Taymans
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice (including the next
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* paragraph) shall be included in all copies or substantial portions of the
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* Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
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* FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
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* DEALINGS IN THE SOFTWARE.
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*/
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#ifndef SPA_CPU_H
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#define SPA_CPU_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#include <stdarg.h>
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#include <spa/utils/defs.h>
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#include <spa/utils/hook.h>
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/**
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* The CPU features interface
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*/
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#define SPA_TYPE_INTERFACE_CPU SPA_TYPE_INFO_INTERFACE_BASE "CPU"
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#define SPA_VERSION_CPU 0
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struct spa_cpu { struct spa_interface iface; };
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/* x86 specific */
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#define SPA_CPU_FLAG_MMX (1<<0) /**< standard MMX */
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#define SPA_CPU_FLAG_MMXEXT (1<<1) /**< SSE integer or AMD MMX ext */
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#define SPA_CPU_FLAG_3DNOW (1<<2) /**< AMD 3DNOW */
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#define SPA_CPU_FLAG_SSE (1<<3) /**< SSE */
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#define SPA_CPU_FLAG_SSE2 (1<<4) /**< SSE2 */
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#define SPA_CPU_FLAG_3DNOWEXT (1<<5) /**< AMD 3DNowExt */
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#define SPA_CPU_FLAG_SSE3 (1<<6) /**< Prescott SSE3 */
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#define SPA_CPU_FLAG_SSSE3 (1<<7) /**< Conroe SSSE3 */
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#define SPA_CPU_FLAG_SSE41 (1<<8) /**< Penryn SSE4.1 */
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#define SPA_CPU_FLAG_SSE42 (1<<9) /**< Nehalem SSE4.2 */
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#define SPA_CPU_FLAG_AESNI (1<<10) /**< Advanced Encryption Standard */
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#define SPA_CPU_FLAG_AVX (1<<11) /**< AVX */
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#define SPA_CPU_FLAG_XOP (1<<12) /**< Bulldozer XOP */
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#define SPA_CPU_FLAG_FMA4 (1<<13) /**< Bulldozer FMA4 */
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#define SPA_CPU_FLAG_CMOV (1<<14) /**< supports cmov */
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#define SPA_CPU_FLAG_AVX2 (1<<15) /**< AVX2 */
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#define SPA_CPU_FLAG_FMA3 (1<<16) /**< Haswell FMA3 */
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#define SPA_CPU_FLAG_BMI1 (1<<17) /**< Bit Manipulation Instruction Set 1 */
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#define SPA_CPU_FLAG_BMI2 (1<<18) /**< Bit Manipulation Instruction Set 2 */
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#define SPA_CPU_FLAG_AVX512 (1<<19) /**< AVX-512 */
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#define SPA_CPU_FLAG_SLOW_UNALIGNED (1<<20) /**< unaligned loads/stores are slow */
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/* PPC specific */
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#define SPA_CPU_FLAG_ALTIVEC (1<<0) /**< standard */
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#define SPA_CPU_FLAG_VSX (1<<1) /**< ISA 2.06 */
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#define SPA_CPU_FLAG_POWER8 (1<<2) /**< ISA 2.07 */
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/* ARM specific */
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#define SPA_CPU_FLAG_ARMV5TE (1 << 0)
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#define SPA_CPU_FLAG_ARMV6 (1 << 1)
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#define SPA_CPU_FLAG_ARMV6T2 (1 << 2)
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#define SPA_CPU_FLAG_VFP (1 << 3)
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#define SPA_CPU_FLAG_VFPV3 (1 << 4)
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#define SPA_CPU_FLAG_NEON (1 << 5)
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#define SPA_CPU_FLAG_ARMV8 (1 << 6)
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#define SPA_CPU_FORCE_AUTODETECT ((uint32_t)-1)
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/**
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* methods
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*/
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struct spa_cpu_methods {
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/** the version of the methods. This can be used to expand this
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structure in the future */
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#define SPA_VERSION_CPU_METHODS 0
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uint32_t version;
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/** get CPU flags */
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uint32_t (*get_flags) (void *object);
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/** force CPU flags, use SPA_CPU_FORCE_AUTODETECT to autodetect CPU flags */
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int (*force_flags) (void *object, uint32_t flags);
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/** get number of CPU cores */
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uint32_t (*get_count) (void *object);
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/** get maximum required alignment of data */
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uint32_t (*get_max_align) (void *object);
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};
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#define spa_cpu_method(o,method,version,...) \
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({ \
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int _res = -ENOTSUP; \
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struct spa_cpu *_c = o; \
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spa_interface_call_res(&_c->iface, \
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struct spa_cpu_methods, _res, \
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method, version, ##__VA_ARGS__); \
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_res; \
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})
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#define spa_cpu_get_flags(c) spa_cpu_method(c, get_flags, 0)
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#define spa_cpu_force_flags(c,f) spa_cpu_method(c, force_flags, 0, f)
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#define spa_cpu_get_count(c) spa_cpu_method(c, get_count, 0)
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#define spa_cpu_get_max_align(c) spa_cpu_method(c, get_max_align, 0)
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/** keys can be given when initializing the cpu handle */
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#define SPA_KEY_CPU_FORCE "cpu.force" /**< force cpu flags */
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#ifdef __cplusplus
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} /* extern "C" */
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#endif
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#endif /* SPA_CPU_H */
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