-/* $Id: macros.h,v 1.5 1999/10/13 18:42:50 brianp Exp $ */
+/* $Id: macros.h,v 1.8 1999/11/22 18:57:56 brianp Exp $ */
/*
* Mesa 3-D graphics library
- * Version: 3.1
+ * Version: 3.3
*
* Copyright (C) 1999 Brian Paul All Rights Reserved.
*
*/
-
-
-
/*
* A collection of useful macros.
*/
#ifndef MACROS_H
#define MACROS_H
-#if defined( XFree86LOADER ) && defined( XFree86Server )
-#include <GL/glx_ansic.h>
-#else
-#include <math.h>
-#include <string.h>
-#endif
+
+#include "glheader.h"
#ifdef DEBUG
-# include <assert.h>
# define ASSERT(X) assert(X)
#else
# define ASSERT(X)
#endif
+/* Limits: */
+#define MAX_GLUSHORT 0xffff
+#define MAX_GLUINT 0xffffffff
+
+
+/* Some compilers don't like some of Mesa's const usage */
+#ifdef NO_CONST
+# define CONST
+#else
+# define CONST const
+#endif
+
+
+/* Pi */
+#ifndef M_PI
+#define M_PI (3.1415926)
+#endif
+
+
+/* Degrees to radians conversion: */
+#define DEG2RAD (M_PI/180.0)
+
+
+#ifndef NULL
+#define NULL 0
+#endif
+
+
+
+/*
+ * Bitmask helpers
+ */
+#define SET_BITS(WORD, BITS) (WORD) |= (BITS)
+#define CLEAR_BITS(WORD, BITS) (WORD) &= ~(BITS)
+#define TEST_BITS(WORD, BITS) ((WORD) & (BITS))
+
+
/* Stepping a GLfloat pointer by a byte stride
*/
#define STRIDE_F(p, i) (p = (GLfloat *)((GLubyte *)p + i))
#define STRIDE_T(p, t, i) (p = (t *)((GLubyte *)p + i))
-/* Limits: */
-#define MAX_GLUSHORT 0xffff
-#define MAX_GLUINT 0xffffffff
-
-
#define ZERO_2V( DST ) (DST)[0] = (DST)[1] = 0
#define ZERO_3V( DST ) (DST)[0] = (DST)[1] = (DST)[2] = 0
#define ZERO_4V( DST ) (DST)[0] = (DST)[1] = (DST)[2] = (DST)[3] = 0
#define ACC_4V( DST, SRC ) \
do { \
- (DST)[0] += (SRC)[0]; \
- (DST)[1] += (SRC)[1]; \
- (DST)[2] += (SRC)[2]; \
- (DST)[3] += (SRC)[3]; \
+ (DST)[0] += (SRC)[0]; \
+ (DST)[1] += (SRC)[1]; \
+ (DST)[2] += (SRC)[2]; \
+ (DST)[3] += (SRC)[3]; \
} while (0)
#define ACC_SCALE_4V( DST, SRCA, SRCB ) \
do { \
- (DST)[0] += (SRCA)[0] * (SRCB)[0]; \
- (DST)[1] += (SRCA)[1] * (SRCB)[1]; \
- (DST)[2] += (SRCA)[2] * (SRCB)[2]; \
- (DST)[3] += (SRCA)[3] * (SRCB)[3]; \
+ (DST)[0] += (SRCA)[0] * (SRCB)[0]; \
+ (DST)[1] += (SRCA)[1] * (SRCB)[1]; \
+ (DST)[2] += (SRCA)[2] * (SRCB)[2]; \
+ (DST)[3] += (SRCA)[3] * (SRCB)[3]; \
} while (0)
#define ACC_SCALE_SCALAR_4V( DST, S, SRCB ) \
do { \
- (DST)[0] += S * (SRCB)[0]; \
- (DST)[1] += S * (SRCB)[1]; \
- (DST)[2] += S * (SRCB)[2]; \
- (DST)[3] += S * (SRCB)[3]; \
+ (DST)[0] += S * (SRCB)[0]; \
+ (DST)[1] += S * (SRCB)[1]; \
+ (DST)[2] += S * (SRCB)[2]; \
+ (DST)[3] += S * (SRCB)[3]; \
} while (0)
#define SCALE_SCALAR_4V( DST, S, SRCB ) \
* Integer / float conversion for colors, normals, etc.
*/
-
-
-
#define BYTE_TO_UBYTE(b) (b < 0 ? 0 : (GLubyte) b)
#define SHORT_TO_UBYTE(s) (s < 0 ? 0 : (GLubyte) (s >> 7))
#define USHORT_TO_UBYTE(s) (GLubyte) (s >> 8)
#define INT_TO_UBYTE(i) (i < 0 ? 0 : (GLubyte) (i >> 23))
#define UINT_TO_UBYTE(i) (GLubyte) (i >> 24)
-
-
-
/* Convert GLubyte in [0,255] to GLfloat in [0.0,1.0] */
#define UBYTE_TO_FLOAT(B) ((GLfloat) (B) * (1.0F / 255.0F))
#define FLOAT_TO_INT(X) ( (GLint) (2147483647.0 * (X)) )
-
-/*
- * Memory allocation
- * XXX these should probably go into a new glmemory.h file.
- */
-#ifdef DEBUG
-extern void *gl_malloc(size_t bytes);
-extern void *gl_calloc(size_t bytes);
-extern void gl_free(void *ptr);
-#define MALLOC(BYTES) gl_malloc(BYTES)
-#define CALLOC(BYTES) gl_calloc(BYTES)
-#define MALLOC_STRUCT(T) (struct T *) gl_malloc(sizeof(struct T))
-#define CALLOC_STRUCT(T) (struct T *) gl_calloc(sizeof(struct T))
-#define FREE(PTR) gl_free(PTR)
-#else
-#define MALLOC(BYTES) (void *) malloc(BYTES)
-#define CALLOC(BYTES) (void *) calloc(1, BYTES)
-#define MALLOC_STRUCT(T) (struct T *) malloc(sizeof(struct T))
-#define CALLOC_STRUCT(T) (struct T *) calloc(1,sizeof(struct T))
-#define FREE(PTR) free(PTR)
-#endif
-
-
-/* Memory copy: */
-#ifdef SUNOS4
-#define MEMCPY( DST, SRC, BYTES) \
- memcpy( (char *) (DST), (char *) (SRC), (int) (BYTES) )
-#else
-#define MEMCPY( DST, SRC, BYTES) \
- memcpy( (void *) (DST), (void *) (SRC), (size_t) (BYTES) )
-#endif
-
-
-/* Memory set: */
-#ifdef SUNOS4
-#define MEMSET( DST, VAL, N ) \
- memset( (char *) (DST), (int) (VAL), (int) (N) )
-#else
-#define MEMSET( DST, VAL, N ) \
- memset( (void *) (DST), (int) (VAL), (size_t) (N) )
-#endif
-
-
-/* MACs and BeOS don't support static larger than 32kb, so... */
-#if defined(macintosh) && !defined(__MRC__)
- extern char *AGLAlloc(int size);
- extern void AGLFree(char* ptr);
-# define DEFARRAY(TYPE,NAME,SIZE) TYPE *NAME = (TYPE*)AGLAlloc(sizeof(TYPE)*(SIZE))
-# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE (*NAME)[SIZE2] = (TYPE(*)[SIZE2])AGLAlloc(sizeof(TYPE)*(SIZE1)*(SIZE2))
-# define CHECKARRAY(NAME,CMD) do {if (!(NAME)) {CMD;}} while (0)
-# define UNDEFARRAY(NAME) do {if ((NAME)) {AGLFree((char*)NAME);} }while (0)
-#elif defined(__BEOS__)
-# define DEFARRAY(TYPE,NAME,SIZE) TYPE *NAME = (TYPE*)malloc(sizeof(TYPE)*(SIZE))
-# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE (*NAME)[SIZE2] = (TYPE(*)[SIZE2])malloc(sizeof(TYPE)*(SIZE1)*(SIZE2))
-# define CHECKARRAY(NAME,CMD) do {if (!(NAME)) {CMD;}} while (0)
-# define UNDEFARRAY(NAME) do {if ((NAME)) {free((char*)NAME);} }while (0)
-#else
-# define DEFARRAY(TYPE,NAME,SIZE) TYPE NAME[SIZE]
-# define DEFMARRAY(TYPE,NAME,SIZE1,SIZE2) TYPE NAME[SIZE1][SIZE2]
-# define CHECKARRAY(NAME,CMD) do {} while(0)
-# define UNDEFARRAY(NAME)
-#endif
-
-
-/* Some compilers don't like some of Mesa's const usage */
-#ifdef NO_CONST
-# define CONST
-#else
-# define CONST const
-#endif
-
-
-
-/* Pi */
-#ifndef M_PI
-#define M_PI (3.1415926)
-#endif
-
-
-/* Degrees to radians conversion: */
-#define DEG2RAD (M_PI/180.0)
-
-
-#ifndef NULL
-#define NULL 0
-#endif
-
-
-
#endif /*MACROS_H*/
projects / mesa.git / blobdiff