From mboxrd@z Thu Jan 1 00:00:00 1970 From: Pauli Nieminen Subject: [PATCH 1/2] libdrm: Move intel_atomic.h to libdrm core for sharing. Date: Wed, 10 Mar 2010 18:20:42 +0200 Message-ID: <1268238043-4453-1-git-send-email-suokkos@gmail.com> Content-Type: multipart/mixed; boundary="===============7056491934473673438==" Return-path: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: dri-devel-bounces@lists.sourceforge.net To: dri-devel@lists.sourceforge.net Cc: intel-gfx@lists.freedesktop.org List-Id: dri-devel@lists.freedesktop.org --===============7056491934473673438== intel_atomic.h includes very usefull atomic operations for lock free parrallel access of variables. Moving these to core libdrm for code sharing with radeon. Signed-off-by: Pauli Nieminen --- Makefile.am | 2 +- configure.ac | 2 +- intel/intel_atomic.h | 56 +----------------------------- xf86atomic.h | 93 ++++++++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 96 insertions(+), 57 deletions(-) create mode 100644 xf86atomic.h diff --git a/Makefile.am b/Makefile.am index ee3ccc7..295121f 100644 --- a/Makefile.am +++ b/Makefile.am @@ -59,7 +59,7 @@ libdrm_la_SOURCES = \ libdrm_lists.h libdrmincludedir = ${includedir} -libdrminclude_HEADERS = xf86drm.h xf86drmMode.h +libdrminclude_HEADERS = xf86drm.h xf86drmMode.h xf86atomic.h EXTRA_DIST = libdrm.pc.in include/drm/* diff --git a/configure.ac b/configure.ac index aaa8efa..953a758 100644 --- a/configure.ac +++ b/configure.ac @@ -198,7 +198,7 @@ if test "x$INTEL" != "xno"; then ]) if test "x$drm_cv_atomic_primitives" = xIntel; then - AC_DEFINE(HAVE_INTEL_ATOMIC_PRIMITIVES, 1, + AC_DEFINE(HAVE_LIBDRM_ATOMIC_PRIMITIVES, 1, [Enable if your compiler supports the Intel __sync_* atomic primitives]) fi if test "x$drm_cv_atomic_primitives" = "xlibatomic-ops"; then diff --git a/intel/intel_atomic.h b/intel/intel_atomic.h index 12bb96b..dcb4ec8 100644 --- a/intel/intel_atomic.h +++ b/intel/intel_atomic.h @@ -34,60 +34,6 @@ #ifndef INTEL_ATOMICS_H #define INTEL_ATOMICS_H -#ifdef HAVE_CONFIG_H -#include "config.h" -#endif - -#if HAVE_INTEL_ATOMIC_PRIMITIVES - -#define HAS_ATOMIC_OPS 1 - -typedef struct { - int atomic; -} atomic_t; - -# define atomic_read(x) ((x)->atomic) -# define atomic_set(x, val) ((x)->atomic = (val)) -# define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1)) -# define atomic_dec_and_test(x) (__sync_fetch_and_add (&(x)->atomic, -1) == 1) -# define atomic_cmpxchg(x, oldv, newv) __sync_val_compare_and_swap (&(x)->atomic, oldv, newv) - -#endif - -#if HAVE_LIB_ATOMIC_OPS -#include - -#define HAS_ATOMIC_OPS 1 - -typedef struct { - AO_t atomic; -} atomic_t; - -# define atomic_read(x) AO_load_full(&(x)->atomic) -# define atomic_set(x, val) AO_store_full(&(x)->atomic, (val)) -# define atomic_inc(x) ((void) AO_fetch_and_add1_full(&(x)->atomic)) -# define atomic_dec_and_test(x) (AO_fetch_and_sub1_full(&(x)->atomic) == 1) -# define atomic_cmpxchg(x, oldv, newv) AO_compare_and_swap_full(&(x)->atomic, oldv, newv) - -#endif - -#if defined(__sun) && !defined(HAS_ATOMIC_OPS) /* Solaris & OpenSolaris */ - -#include -#define HAS_ATOMIC_OPS 1 - -typedef struct { uint_t atomic; } atomic_t; - -# define atomic_read(x) (int) ((x)->atomic) -# define atomic_set(x, val) ((x)->atomic = (uint_t)(val)) -# define atomic_inc(x) (atomic_inc_uint (&(x)->atomic)) -# define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 1) -# define atomic_cmpxchg(x, oldv, newv) atomic_cas_uint (&(x)->atomic, oldv, newv) - -#endif - -#if ! HAS_ATOMIC_OPS -#error libdrm-intel requires atomic operations, please define them for your CPU/compiler. -#endif +#include #endif diff --git a/xf86atomic.h b/xf86atomic.h new file mode 100644 index 0000000..627dcf2 --- /dev/null +++ b/xf86atomic.h @@ -0,0 +1,93 @@ +/* + * Copyright © 2009 Intel Corporation + * + * Permission is hereby granted, free of charge, to any person obtaining a + * copy of this software and associated documentation files (the "Software"), + * to deal in the Software without restriction, including without limitation + * the rights to use, copy, modify, merge, publish, distribute, sublicense, + * and/or sell copies of the Software, and to permit persons to whom the + * Software is furnished to do so, subject to the following conditions: + * + * The above copyright notice and this permission notice (including the next + * paragraph) shall be included in all copies or substantial portions of the + * Software. + * + * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR + * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, + * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL + * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER + * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING + * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS + * IN THE SOFTWARE. + * + * Authors: + * Chris Wilson + * + */ + +/** + * @file intel_atomics.h + * + * Private definitions for atomic operations + */ + +#ifndef LIBDRM_ATOMICS_H +#define LIBDRM_ATOMICS_H + +#ifdef HAVE_CONFIG_H +#include "config.h" +#endif + +#if HAVE_LIBDRM_ATOMIC_PRIMITIVES + +#define HAS_ATOMIC_OPS 1 + +typedef struct { + int atomic; +} atomic_t; + +# define atomic_read(x) ((x)->atomic) +# define atomic_set(x, val) ((x)->atomic = (val)) +# define atomic_inc(x) ((void) __sync_fetch_and_add (&(x)->atomic, 1)) +# define atomic_dec_and_test(x) (__sync_fetch_and_add (&(x)->atomic, -1) == 1) +# define atomic_cmpxchg(x, oldv, newv) __sync_val_compare_and_swap (&(x)->atomic, oldv, newv) + +#endif + +#if HAVE_LIB_ATOMIC_OPS +#include + +#define HAS_ATOMIC_OPS 1 + +typedef struct { + AO_t atomic; +} atomic_t; + +# define atomic_read(x) AO_load_full(&(x)->atomic) +# define atomic_set(x, val) AO_store_full(&(x)->atomic, (val)) +# define atomic_inc(x) ((void) AO_fetch_and_add1_full(&(x)->atomic)) +# define atomic_dec_and_test(x) (AO_fetch_and_sub1_full(&(x)->atomic) == 1) +# define atomic_cmpxchg(x, oldv, newv) AO_compare_and_swap_full(&(x)->atomic, oldv, newv) + +#endif + +#if defined(__sun) && !defined(HAS_ATOMIC_OPS) /* Solaris & OpenSolaris */ + +#include +#define HAS_ATOMIC_OPS 1 + +typedef struct { uint_t atomic; } atomic_t; + +# define atomic_read(x) (int) ((x)->atomic) +# define atomic_set(x, val) ((x)->atomic = (uint_t)(val)) +# define atomic_inc(x) (atomic_inc_uint (&(x)->atomic)) +# define atomic_dec_and_test(x) (atomic_dec_uint_nv(&(x)->atomic) == 1) +# define atomic_cmpxchg(x, oldv, newv) atomic_cas_uint (&(x)->atomic, oldv, newv) + +#endif + +#if ! HAS_ATOMIC_OPS +#error libdrm-intel requires atomic operations, please define them for your CPU/compiler. +#endif + +#endif -- 1.6.3.3 --===============7056491934473673438== Content-Type: text/plain; charset="us-ascii" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit Content-Disposition: inline ------------------------------------------------------------------------------ Download Intel® Parallel Studio Eval Try the new software tools for yourself. Speed compiling, find bugs proactively, and fine-tune applications for parallel performance. 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