diff options
Diffstat (limited to 'mesalib/src/gallium/auxiliary/util/u_pointer.h')
-rw-r--r-- | mesalib/src/gallium/auxiliary/util/u_pointer.h | 260 |
1 files changed, 130 insertions, 130 deletions
diff --git a/mesalib/src/gallium/auxiliary/util/u_pointer.h b/mesalib/src/gallium/auxiliary/util/u_pointer.h index f75ce012b..cce0c7430 100644 --- a/mesalib/src/gallium/auxiliary/util/u_pointer.h +++ b/mesalib/src/gallium/auxiliary/util/u_pointer.h @@ -1,130 +1,130 @@ -/**************************************************************************
- *
- * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas.
- * All Rights Reserved.
- *
- * 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, sub license, 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 NON-INFRINGEMENT.
- * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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.
- *
- **************************************************************************/
-
-#ifndef U_POINTER_H
-#define U_POINTER_H
-
-#include "pipe/p_compiler.h"
-
-#ifdef __cplusplus
-extern "C" {
-#endif
-
-static INLINE intptr_t
-pointer_to_intptr( const void *p )
-{
- union {
- const void *p;
- intptr_t i;
- } pi;
- pi.p = p;
- return pi.i;
-}
-
-static INLINE void *
-intptr_to_pointer( intptr_t i )
-{
- union {
- void *p;
- intptr_t i;
- } pi;
- pi.i = i;
- return pi.p;
-}
-
-static INLINE uintptr_t
-pointer_to_uintptr( const void *ptr )
-{
- union {
- const void *p;
- uintptr_t u;
- } pu;
- pu.p = ptr;
- return pu.u;
-}
-
-static INLINE void *
-uintptr_to_pointer( uintptr_t u )
-{
- union {
- void *p;
- uintptr_t u;
- } pu;
- pu.u = u;
- return pu.p;
-}
-
-/**
- * Return a pointer aligned to next multiple of N bytes.
- */
-static INLINE void *
-align_pointer( const void *unaligned, uintptr_t alignment )
-{
- uintptr_t aligned = (pointer_to_uintptr( unaligned ) + alignment - 1) & ~(alignment - 1);
- return uintptr_to_pointer( aligned );
-}
-
-
-/**
- * Return a pointer aligned to next multiple of 16 bytes.
- */
-static INLINE void *
-align16( void *unaligned )
-{
- return align_pointer( unaligned, 16 );
-}
-
-typedef void (*func_pointer)(void);
-
-static INLINE func_pointer
-pointer_to_func( void *p )
-{
- union {
- void *p;
- func_pointer f;
- } pf;
- pf.p = p;
- return pf.f;
-}
-
-static INLINE void *
-func_to_pointer( func_pointer f )
-{
- union {
- void *p;
- func_pointer f;
- } pf;
- pf.f = f;
- return pf.p;
-}
-
-
-#ifdef __cplusplus
-}
-#endif
-
-#endif /* U_POINTER_H */
+/************************************************************************** + * + * Copyright 2007-2008 Tungsten Graphics, Inc., Cedar Park, Texas. + * All Rights Reserved. + * + * 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, sub license, 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL TUNGSTEN GRAPHICS AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#ifndef U_POINTER_H +#define U_POINTER_H + +#include "pipe/p_compiler.h" + +#ifdef __cplusplus +extern "C" { +#endif + +static INLINE intptr_t +pointer_to_intptr( const void *p ) +{ + union { + const void *p; + intptr_t i; + } pi; + pi.p = p; + return pi.i; +} + +static INLINE void * +intptr_to_pointer( intptr_t i ) +{ + union { + void *p; + intptr_t i; + } pi; + pi.i = i; + return pi.p; +} + +static INLINE uintptr_t +pointer_to_uintptr( const void *ptr ) +{ + union { + const void *p; + uintptr_t u; + } pu; + pu.p = ptr; + return pu.u; +} + +static INLINE void * +uintptr_to_pointer( uintptr_t u ) +{ + union { + void *p; + uintptr_t u; + } pu; + pu.u = u; + return pu.p; +} + +/** + * Return a pointer aligned to next multiple of N bytes. + */ +static INLINE void * +align_pointer( const void *unaligned, uintptr_t alignment ) +{ + uintptr_t aligned = (pointer_to_uintptr( unaligned ) + alignment - 1) & ~(alignment - 1); + return uintptr_to_pointer( aligned ); +} + + +/** + * Return a pointer aligned to next multiple of 16 bytes. + */ +static INLINE void * +align16( void *unaligned ) +{ + return align_pointer( unaligned, 16 ); +} + +typedef void (*func_pointer)(void); + +static INLINE func_pointer +pointer_to_func( void *p ) +{ + union { + void *p; + func_pointer f; + } pf; + pf.p = p; + return pf.f; +} + +static INLINE void * +func_to_pointer( func_pointer f ) +{ + union { + void *p; + func_pointer f; + } pf; + pf.f = f; + return pf.p; +} + + +#ifdef __cplusplus +} +#endif + +#endif /* U_POINTER_H */ |