diff options
| -rw-r--r-- | src/mesa/pipe/p_compiler.h | 63 | ||||
| -rw-r--r-- | src/mesa/pipe/p_util.h | 117 |
2 files changed, 180 insertions, 0 deletions
diff --git a/src/mesa/pipe/p_compiler.h b/src/mesa/pipe/p_compiler.h new file mode 100644 index 0000000000..51a78bf4f5 --- /dev/null +++ b/src/mesa/pipe/p_compiler.h @@ -0,0 +1,63 @@ +/************************************************************************** + * + * Copyright 2007 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 P_COMPILER_H +#define P_COMPILER_H + +#include <assert.h> +#include <stdlib.h> +#include <string.h> +#include <stdio.h> + +typedef unsigned int uint; +typedef unsigned char ubyte; +typedef unsigned char boolean; +typedef unsigned short ushort; + + +#define TRUE 1 +#define FALSE 0 + +/* Function inlining */ +#if defined(__GNUC__) +# define INLINE __inline__ +#elif defined(__MSC__) +# define INLINE __inline +#elif defined(_MSC_VER) +# define INLINE __inline +#elif defined(__ICL) +# define INLINE __inline +#elif defined(__INTEL_COMPILER) +# define INLINE inline +#elif defined(__WATCOMC__) && (__WATCOMC__ >= 1100) +# define INLINE __inline +#else +# define INLINE +#endif + + +#endif /* P_COMPILER_H */ diff --git a/src/mesa/pipe/p_util.h b/src/mesa/pipe/p_util.h new file mode 100644 index 0000000000..979befb194 --- /dev/null +++ b/src/mesa/pipe/p_util.h @@ -0,0 +1,117 @@ + +/* + * Mesa 3-D graphics library + * Version: 6.5.2 + * + * Copyright (C) 1999-2006 Brian Paul 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, 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 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 + * BRIAN PAUL 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 P_UTIL_H +#define P_UTIL_H + +#include "p_compiler.h" + +#define CALLOC_STRUCT(T) (struct T *) calloc(1, sizeof(struct T)) + + + +/** Clamp X to [MIN,MAX] */ +#define CLAMP( X, MIN, MAX ) ( (X)<(MIN) ? (MIN) : ((X)>(MAX) ? (MAX) : (X)) ) + +/** Assign X to CLAMP(X, MIN, MAX) */ +#define CLAMP_SELF(x, mn, mx) \ + ( (x)<(mn) ? ((x) = (mn)) : ((x)>(mx) ? ((x)=(mx)) : (x)) ) + +/** Minimum of two values: */ +#define MIN2( A, B ) ( (A)<(B) ? (A) : (B) ) + +/** Maximum of two values: */ +#define MAX2( A, B ) ( (A)>(B) ? (A) : (B) ) + + +#define Elements(x) sizeof(x)/sizeof(*(x)) + +union fi { + float f; + int i; + unsigned ui; +}; + +#define UBYTE_TO_FLOAT( ub ) ((float)(ub) / 255.0F) + +#define IEEE_0996 0x3f7f0000 /* 0.996 or so */ + +/* This function/macro is sensitive to precision. Test very carefully + * if you change it! + */ +#define UNCLAMPED_FLOAT_TO_UBYTE(UB, F) \ + do { \ + union fi __tmp; \ + __tmp.f = (F); \ + if (__tmp.i < 0) \ + UB = (ubyte) 0; \ + else if (__tmp.i >= IEEE_0996) \ + UB = (ubyte) 255; \ + else { \ + __tmp.f = __tmp.f * (255.0F/256.0F) + 32768.0F; \ + UB = (ubyte) __tmp.i; \ + } \ + } while (0) + + + +static INLINE unsigned pack_ub4( unsigned char b0, + unsigned char b1, + unsigned char b2, + unsigned char b3 ) +{ + return ((((unsigned int)b0) << 0) | + (((unsigned int)b1) << 8) | + (((unsigned int)b2) << 16) | + (((unsigned int)b3) << 24)); +} + +static INLINE unsigned fui( float f ) +{ + union fi fi; + fi.f = f; + return fi.ui; +} + +static INLINE unsigned char float_to_ubyte( float f ) +{ + unsigned char ub; + UNCLAMPED_FLOAT_TO_UBYTE(ub, f); + return ub; +} + +static INLINE unsigned pack_ui32_float4( float a, + float b, + float d, + float c ) +{ + return pack_ub4( float_to_ubyte(a), + float_to_ubyte(b), + float_to_ubyte(c), + float_to_ubyte(d) ); +} + +#endif |