diff options
Diffstat (limited to 'src/mesa/shader/slang/MachineIndependent/preprocessor/memory.c')
-rwxr-xr-x | src/mesa/shader/slang/MachineIndependent/preprocessor/memory.c | 382 |
1 files changed, 191 insertions, 191 deletions
diff --git a/src/mesa/shader/slang/MachineIndependent/preprocessor/memory.c b/src/mesa/shader/slang/MachineIndependent/preprocessor/memory.c index ee6b65f8c3..31e6137b9d 100755 --- a/src/mesa/shader/slang/MachineIndependent/preprocessor/memory.c +++ b/src/mesa/shader/slang/MachineIndependent/preprocessor/memory.c @@ -1,191 +1,191 @@ -//
-//Copyright (C) 2002-2004 3Dlabs Inc. Ltd.
-//All rights reserved.
-//
-//Redistribution and use in source and binary forms, with or without
-//modification, are permitted provided that the following conditions
-//are met:
-//
-// Redistributions of source code must retain the above copyright
-// notice, this list of conditions and the following disclaimer.
-//
-// Redistributions in binary form must reproduce the above
-// copyright notice, this list of conditions and the following
-// disclaimer in the documentation and/or other materials provided
-// with the distribution.
-//
-// Neither the name of 3Dlabs Inc. Ltd. nor the names of its
-// contributors may be used to endorse or promote products derived
-// from this software without specific prior written permission.
-//
-//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
-//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
-//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
-//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
-//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
-//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
-//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
-//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
-//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
-//POSSIBILITY OF SUCH DAMAGE.
-//
-/****************************************************************************\
-Copyright (c) 2002, NVIDIA Corporation.
-
-NVIDIA Corporation("NVIDIA") supplies this software to you in
-consideration of your agreement to the following terms, and your use,
-installation, modification or redistribution of this NVIDIA software
-constitutes acceptance of these terms. If you do not agree with these
-terms, please do not use, install, modify or redistribute this NVIDIA
-software.
-
-In consideration of your agreement to abide by the following terms, and
-subject to these terms, NVIDIA grants you a personal, non-exclusive
-license, under NVIDIA's copyrights in this original NVIDIA software (the
-"NVIDIA Software"), to use, reproduce, modify and redistribute the
-NVIDIA Software, with or without modifications, in source and/or binary
-forms; provided that if you redistribute the NVIDIA Software, you must
-retain the copyright notice of NVIDIA, this notice and the following
-text and disclaimers in all such redistributions of the NVIDIA Software.
-Neither the name, trademarks, service marks nor logos of NVIDIA
-Corporation may be used to endorse or promote products derived from the
-NVIDIA Software without specific prior written permission from NVIDIA.
-Except as expressly stated in this notice, no other rights or licenses
-express or implied, are granted by NVIDIA herein, including but not
-limited to any patent rights that may be infringed by your derivative
-works or by other works in which the NVIDIA Software may be
-incorporated. No hardware is licensed hereunder.
-
-THE NVIDIA SOFTWARE IS BEING PROVIDED ON AN "AS IS" BASIS, WITHOUT
-WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED,
-INCLUDING WITHOUT LIMITATION, WARRANTIES OR CONDITIONS OF TITLE,
-NON-INFRINGEMENT, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
-ITS USE AND OPERATION EITHER ALONE OR IN COMBINATION WITH OTHER
-PRODUCTS.
-
-IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT,
-INCIDENTAL, EXEMPLARY, CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED
-TO, LOST PROFITS; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
-USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) OR ARISING IN ANY WAY
-OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE
-NVIDIA SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT,
-TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF
-NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
-\****************************************************************************/
-//
-#include <stddef.h>
-#include <stdlib.h>
-#include <string.h>
-
-#ifdef __STDC99__
-#include <stdint.h>
-#elif defined (_WIN64)
-typedef unsigned __int64 uintptr_t;
-#else
-typedef unsigned int uintptr_t;
-#endif
-
-#include "memory.h"
-
-// default alignment and chunksize, if called with 0 arguments
-#define CHUNKSIZE (64*1024)
-#define ALIGN 8
-
-// we need to call the `real' malloc and free, not our replacements
-#undef malloc
-#undef free
-
-struct chunk {
- struct chunk *next;
-};
-
-struct cleanup {
- struct cleanup *next;
- void (*fn)(void *);
- void *arg;
-};
-
-struct MemoryPool_rec {
- struct chunk *next;
- uintptr_t free, end;
- size_t chunksize;
- uintptr_t alignmask;
- struct cleanup *cleanup;
-};
-
-MemoryPool *mem_CreatePool(size_t chunksize, unsigned int align)
-{
- MemoryPool *pool;
-
- if (align == 0) align = ALIGN;
- if (chunksize == 0) chunksize = CHUNKSIZE;
- if (align & (align-1)) return 0;
- if (chunksize < sizeof(MemoryPool)) return 0;
- if (chunksize & (align-1)) return 0;
- if (!(pool = malloc(chunksize))) return 0;
- pool->next = 0;
- pool->chunksize = chunksize;
- pool->alignmask = (uintptr_t)(align)-1;
- pool->free = ((uintptr_t)(pool + 1) + pool->alignmask) & ~pool->alignmask;
- pool->end = (uintptr_t)pool + chunksize;
- pool->cleanup = 0;
- return pool;
-}
-
-void mem_FreePool(MemoryPool *pool)
-{
- struct cleanup *cleanup;
- struct chunk *p, *next;
-
- for (cleanup = pool->cleanup; cleanup; cleanup = cleanup->next) {
- cleanup->fn(cleanup->arg);
- }
- for (p = (struct chunk *)pool; p; p = next) {
- next = p->next;
- free(p);
- }
-}
-
-void *mem_Alloc(MemoryPool *pool, size_t size)
-{
- struct chunk *ch;
- void *rv = (void *)pool->free;
- size = (size + pool->alignmask) & ~pool->alignmask;
- if (size <= 0) size = pool->alignmask;
- pool->free += size;
- if (pool->free > pool->end || pool->free < (uintptr_t)rv) {
- size_t minreq = (size + sizeof(struct chunk) + pool->alignmask)
- & ~pool->alignmask;
- pool->free = (uintptr_t)rv;
- if (minreq >= pool->chunksize) {
- // request size is too big for the chunksize, so allocate it as
- // a single chunk of the right size
- ch = malloc(minreq);
- if (!ch) return 0;
- } else {
- ch = malloc(pool->chunksize);
- if (!ch) return 0;
- pool->free = (uintptr_t)ch + minreq;
- pool->end = (uintptr_t)ch + pool->chunksize;
- }
- ch->next = pool->next;
- pool->next = ch;
- rv = (void *)(((uintptr_t)(ch+1) + pool->alignmask) & ~pool->alignmask);
- }
- return rv;
-}
-
-int mem_AddCleanup(MemoryPool *pool, void (*fn)(void *), void *arg) {
- struct cleanup *cleanup;
-
- pool->free = (pool->free + sizeof(void *) - 1) & ~(sizeof(void *)-1);
- cleanup = mem_Alloc(pool, sizeof(struct cleanup));
- if (!cleanup) return -1;
- cleanup->next = pool->cleanup;
- cleanup->fn = fn;
- cleanup->arg = arg;
- pool->cleanup = cleanup;
- return 0;
-}
+/* +//Copyright (C) 2002-2004 3Dlabs Inc. Ltd. +//All rights reserved. +// +//Redistribution and use in source and binary forms, with or without +//modification, are permitted provided that the following conditions +//are met: +// +// Redistributions of source code must retain the above copyright +// notice, this list of conditions and the following disclaimer. +// +// Redistributions in binary form must reproduce the above +// copyright notice, this list of conditions and the following +// disclaimer in the documentation and/or other materials provided +// with the distribution. +// +// Neither the name of 3Dlabs Inc. Ltd. nor the names of its +// contributors may be used to endorse or promote products derived +// from this software without specific prior written permission. +// +//THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS +//"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT +//LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS +//FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE +//COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, +//INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, +//BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +//LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER +//CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT +//LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN +//ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE +//POSSIBILITY OF SUCH DAMAGE. +*/ +/****************************************************************************\ +Copyright (c) 2002, NVIDIA Corporation. + +NVIDIA Corporation("NVIDIA") supplies this software to you in +consideration of your agreement to the following terms, and your use, +installation, modification or redistribution of this NVIDIA software +constitutes acceptance of these terms. If you do not agree with these +terms, please do not use, install, modify or redistribute this NVIDIA +software. + +In consideration of your agreement to abide by the following terms, and +subject to these terms, NVIDIA grants you a personal, non-exclusive +license, under NVIDIA's copyrights in this original NVIDIA software (the +"NVIDIA Software"), to use, reproduce, modify and redistribute the +NVIDIA Software, with or without modifications, in source and/or binary +forms; provided that if you redistribute the NVIDIA Software, you must +retain the copyright notice of NVIDIA, this notice and the following +text and disclaimers in all such redistributions of the NVIDIA Software. +Neither the name, trademarks, service marks nor logos of NVIDIA +Corporation may be used to endorse or promote products derived from the +NVIDIA Software without specific prior written permission from NVIDIA. +Except as expressly stated in this notice, no other rights or licenses +express or implied, are granted by NVIDIA herein, including but not +limited to any patent rights that may be infringed by your derivative +works or by other works in which the NVIDIA Software may be +incorporated. No hardware is licensed hereunder. + +THE NVIDIA SOFTWARE IS BEING PROVIDED ON AN "AS IS" BASIS, WITHOUT +WARRANTIES OR CONDITIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED, +INCLUDING WITHOUT LIMITATION, WARRANTIES OR CONDITIONS OF TITLE, +NON-INFRINGEMENT, MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR +ITS USE AND OPERATION EITHER ALONE OR IN COMBINATION WITH OTHER +PRODUCTS. + +IN NO EVENT SHALL NVIDIA BE LIABLE FOR ANY SPECIAL, INDIRECT, +INCIDENTAL, EXEMPLARY, CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED +TO, LOST PROFITS; PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF +USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) OR ARISING IN ANY WAY +OUT OF THE USE, REPRODUCTION, MODIFICATION AND/OR DISTRIBUTION OF THE +NVIDIA SOFTWARE, HOWEVER CAUSED AND WHETHER UNDER THEORY OF CONTRACT, +TORT (INCLUDING NEGLIGENCE), STRICT LIABILITY OR OTHERWISE, EVEN IF +NVIDIA HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. +\****************************************************************************/ + +#include <stddef.h> +#include <stdlib.h> +#include <string.h> + +#ifdef __STDC99__ +#include <stdint.h> +#elif defined (_WIN64) +typedef unsigned __int64 uintptr_t; +#else +typedef unsigned int uintptr_t; +#endif + +#include "memory.h" + +/* default alignment and chunksize, if called with 0 arguments */ +#define CHUNKSIZE (64*1024) +#define ALIGN 8 + +/* we need to call the `real' malloc and free, not our replacements */ +#undef malloc +#undef free + +struct chunk { + struct chunk *next; +}; + +struct cleanup { + struct cleanup *next; + void (*fn)(void *); + void *arg; +}; + +struct MemoryPool_rec { + struct chunk *next; + uintptr_t free, end; + size_t chunksize; + uintptr_t alignmask; + struct cleanup *cleanup; +}; + +MemoryPool *mem_CreatePool(size_t chunksize, unsigned int align) +{ + MemoryPool *pool; + + if (align == 0) align = ALIGN; + if (chunksize == 0) chunksize = CHUNKSIZE; + if (align & (align-1)) return 0; + if (chunksize < sizeof(MemoryPool)) return 0; + if (chunksize & (align-1)) return 0; + if (!(pool = malloc(chunksize))) return 0; + pool->next = 0; + pool->chunksize = chunksize; + pool->alignmask = (uintptr_t)(align)-1; + pool->free = ((uintptr_t)(pool + 1) + pool->alignmask) & ~pool->alignmask; + pool->end = (uintptr_t)pool + chunksize; + pool->cleanup = 0; + return pool; +} + +void mem_FreePool(MemoryPool *pool) +{ + struct cleanup *cleanup; + struct chunk *p, *next; + + for (cleanup = pool->cleanup; cleanup; cleanup = cleanup->next) { + cleanup->fn(cleanup->arg); + } + for (p = (struct chunk *)pool; p; p = next) { + next = p->next; + free(p); + } +} + +void *mem_Alloc(MemoryPool *pool, size_t size) +{ + struct chunk *ch; + void *rv = (void *)pool->free; + size = (size + pool->alignmask) & ~pool->alignmask; + if (size <= 0) size = pool->alignmask; + pool->free += size; + if (pool->free > pool->end || pool->free < (uintptr_t)rv) { + size_t minreq = (size + sizeof(struct chunk) + pool->alignmask) + & ~pool->alignmask; + pool->free = (uintptr_t)rv; + if (minreq >= pool->chunksize) { + /* request size is too big for the chunksize, so allocate it as + // a single chunk of the right size */ + ch = malloc(minreq); + if (!ch) return 0; + } else { + ch = malloc(pool->chunksize); + if (!ch) return 0; + pool->free = (uintptr_t)ch + minreq; + pool->end = (uintptr_t)ch + pool->chunksize; + } + ch->next = pool->next; + pool->next = ch; + rv = (void *)(((uintptr_t)(ch+1) + pool->alignmask) & ~pool->alignmask); + } + return rv; +} + +int mem_AddCleanup(MemoryPool *pool, void (*fn)(void *), void *arg) { + struct cleanup *cleanup; + + pool->free = (pool->free + sizeof(void *) - 1) & ~(sizeof(void *)-1); + cleanup = mem_Alloc(pool, sizeof(struct cleanup)); + if (!cleanup) return -1; + cleanup->next = pool->cleanup; + cleanup->fn = fn; + cleanup->arg = arg; + pool->cleanup = cleanup; + return 0; +} |