#include "imports.h"
#include "context.h"
+#include "mtypes.h"
#include "version.h"
#ifdef _GNU_SOURCE
#endif
-#define MAXSTRING 4000 /* for vsnprintf() */
-
#ifdef WIN32
#define vsnprintf _vsnprintf
#elif defined(__IBMC__) || defined(__IBMCPP__) || ( defined(__VMS) && __CRTL_VER < 70312000 )
/** \name Memory */
/*@{*/
-/** Wrapper around malloc() */
-void *
-_mesa_malloc(size_t bytes)
-{
- return malloc(bytes);
-}
-
-/** Wrapper around calloc() */
-void *
-_mesa_calloc(size_t bytes)
-{
- return calloc(1, bytes);
-}
-
-/** Wrapper around free() */
-void
-_mesa_free(void *ptr)
-{
- free(ptr);
-}
-
/**
* Allocate aligned memory.
*
{
#if defined(HAVE_POSIX_MEMALIGN)
void *mem;
-
- (void) posix_memalign(& mem, alignment, bytes);
+ int err = posix_memalign(& mem, alignment, bytes);
+ if (err)
+ return NULL;
return mem;
#elif defined(_WIN32) && defined(_MSC_VER)
return _aligned_malloc(bytes, alignment);
ASSERT( alignment > 0 );
- ptr = (uintptr_t) _mesa_malloc(bytes + alignment + sizeof(void *));
+ ptr = (uintptr_t) malloc(bytes + alignment + sizeof(void *));
if (!ptr)
return NULL;
}
/**
- * Same as _mesa_align_malloc(), but using _mesa_calloc() instead of
- * _mesa_malloc()
+ * Same as _mesa_align_malloc(), but using calloc(1, ) instead of
+ * malloc()
*/
void *
_mesa_align_calloc(size_t bytes, unsigned long alignment)
ASSERT( alignment > 0 );
- ptr = (uintptr_t) _mesa_calloc(bytes + alignment + sizeof(void *));
+ ptr = (uintptr_t) calloc(1, bytes + alignment + sizeof(void *));
if (!ptr)
return NULL;
#else
void **cubbyHole = (void **) ((char *) ptr - sizeof(void *));
void *realAddr = *cubbyHole;
- _mesa_free(realAddr);
+ free(realAddr);
#endif /* defined(HAVE_POSIX_MEMALIGN) */
}
const size_t copySize = (oldSize < newSize) ? oldSize : newSize;
void *newBuf = _mesa_align_malloc(newSize, alignment);
if (newBuf && oldBuffer && copySize > 0) {
- _mesa_memcpy(newBuf, oldBuffer, copySize);
+ memcpy(newBuf, oldBuffer, copySize);
}
if (oldBuffer)
_mesa_align_free(oldBuffer);
_mesa_realloc(void *oldBuffer, size_t oldSize, size_t newSize)
{
const size_t copySize = (oldSize < newSize) ? oldSize : newSize;
- void *newBuffer = _mesa_malloc(newSize);
+ void *newBuffer = malloc(newSize);
if (newBuffer && oldBuffer && copySize > 0)
- _mesa_memcpy(newBuffer, oldBuffer, copySize);
+ memcpy(newBuffer, oldBuffer, copySize);
if (oldBuffer)
- _mesa_free(oldBuffer);
+ free(oldBuffer);
return newBuffer;
}
-/** memcpy wrapper */
-void *
-_mesa_memcpy(void *dest, const void *src, size_t n)
-{
-#if defined(SUNOS4)
- return memcpy((char *) dest, (char *) src, (int) n);
-#else
- return memcpy(dest, src, n);
-#endif
-}
-
-/** Wrapper around memset() */
-void
-_mesa_memset( void *dst, int val, size_t n )
-{
-#if defined(SUNOS4)
- memset( (char *) dst, (int) val, (int) n );
-#else
- memset(dst, val, n);
-#endif
-}
-
/**
* Fill memory with a constant 16bit word.
* \param dst destination pointer.
*dst++ = val;
}
-/** Wrapper around either memset() or bzero() */
-void
-_mesa_bzero( void *dst, size_t n )
-{
-#if defined(__FreeBSD__)
- bzero( dst, n );
-#else
- memset( dst, 0, n );
-#endif
-}
-
-/** Wrapper around memcmp() */
-int
-_mesa_memcmp( const void *s1, const void *s2, size_t n )
-{
-#if defined(SUNOS4)
- return memcmp( (char *) s1, (char *) s2, (int) n );
-#else
- return memcmp(s1, s2, n);
-#endif
-}
-
/*@}*/
/** \name Math */
/*@{*/
-/** Wrapper around sin() */
-double
-_mesa_sin(double a)
-{
- return sin(a);
-}
-
-/** Single precision wrapper around sin() */
-float
-_mesa_sinf(float a)
-{
- return (float) sin((double) a);
-}
-
-/** Wrapper around cos() */
-double
-_mesa_cos(double a)
-{
- return cos(a);
-}
-
-/** Single precision wrapper around asin() */
-float
-_mesa_asinf(float x)
-{
- return (float) asin((double) x);
-}
-
-/** Single precision wrapper around atan() */
-float
-_mesa_atanf(float x)
-{
- return (float) atan((double) x);
-}
-
/** Wrapper around sqrt() */
double
_mesa_sqrtd(double x)
#if 0 /* not used, see below -BP */
float r3, x3, y3;
#endif
- union { float f; unsigned int i; } u;
+ fi_type u;
unsigned int magic;
/*
#endif
}
-
-/** Wrapper around pow() */
-double
-_mesa_pow(double x, double y)
-{
- return pow(x, y);
-}
-
-
+#ifndef __GNUC__
/**
* Find the first bit set in a word.
*/
int
-_mesa_ffs(int32_t i)
+ffs(int i)
{
-#if (defined(_WIN32) ) || defined(__IBMC__) || defined(__IBMCPP__)
register int bit = 0;
if (i != 0) {
if ((i & 0xffff) == 0) {
bit++;
}
return bit;
-#else
- return ffs(i);
-#endif
}
* if no bits set.
*/
int
-_mesa_ffsll(int64_t val)
+ffsll(long long int val)
{
-#ifdef ffsll
- return ffsll(val);
-#else
int bit;
assert(sizeof(val) == 8);
- bit = _mesa_ffs((int32_t)val);
+ bit = ffs((int) val);
if (bit != 0)
return bit;
- bit = _mesa_ffs((int32_t)(val >> 32));
+ bit = ffs((int) (val >> 32));
if (bit != 0)
return 32 + bit;
return 0;
-#endif
}
+#endif /* __GNUC__ */
+#if !defined(__GNUC__) ||\
+ ((__GNUC__ * 100 + __GNUC_MINOR__) < 304) /* Not gcc 3.4 or later */
/**
* Return number of bits set in given GLuint.
*/
return bits;
}
+/**
+ * Return number of bits set in given 64-bit uint.
+ */
+unsigned int
+_mesa_bitcount_64(uint64_t n)
+{
+ unsigned int bits;
+ for (bits = 0; n > 0; n = n >> 1) {
+ bits += (n & 1);
+ }
+ return bits;
+}
+#endif
+
/**
* Convert a 4-byte float to a 2-byte half float.
GLhalfARB
_mesa_float_to_half(float val)
{
- const int flt = *((int *) (void *) &val);
- const int flt_m = flt & 0x7fffff;
- const int flt_e = (flt >> 23) & 0xff;
- const int flt_s = (flt >> 31) & 0x1;
+ const fi_type fi = {val};
+ const int flt_m = fi.i & 0x7fffff;
+ const int flt_e = (fi.i >> 23) & 0xff;
+ const int flt_s = (fi.i >> 31) & 0x1;
int s, e, m = 0;
GLhalfARB result;
const int m = val & 0x3ff;
const int e = (val >> 10) & 0x1f;
const int s = (val >> 15) & 0x1;
- int flt_m, flt_e, flt_s, flt;
+ int flt_m, flt_e, flt_s;
+ fi_type fi;
float result;
/* sign bit */
flt_m = m << 13;
}
- flt = (flt_s << 31) | (flt_e << 23) | flt_m;
- result = *((float *) (void *) &flt);
+ fi.i = (flt_s << 31) | (flt_e << 23) | flt_m;
+ result = fi.f;
return result;
}
/** \name String */
/*@{*/
-/** Wrapper around strstr() */
-char *
-_mesa_strstr( const char *haystack, const char *needle )
-{
- return strstr(haystack, needle);
-}
-
-/** Wrapper around strncat() */
-char *
-_mesa_strncat( char *dest, const char *src, size_t n )
-{
- return strncat(dest, src, n);
-}
-
-/** Wrapper around strcpy() */
-char *
-_mesa_strcpy( char *dest, const char *src )
-{
- return strcpy(dest, src);
-}
-
-/** Wrapper around strncpy() */
-char *
-_mesa_strncpy( char *dest, const char *src, size_t n )
-{
- return strncpy(dest, src, n);
-}
-
-/** Wrapper around strlen() */
-size_t
-_mesa_strlen( const char *s )
-{
- return strlen(s);
-}
-
-/** Wrapper around strcmp() */
-int
-_mesa_strcmp( const char *s1, const char *s2 )
-{
- return strcmp(s1, s2);
-}
-
-/** Wrapper around strncmp() */
-int
-_mesa_strncmp( const char *s1, const char *s2, size_t n )
-{
- return strncmp(s1, s2, n);
-}
-
/**
- * Implemented using _mesa_malloc() and _mesa_strcpy.
+ * Implemented using malloc() and strcpy.
* Note that NULL is handled accordingly.
*/
char *
_mesa_strdup( const char *s )
{
if (s) {
- size_t l = _mesa_strlen(s);
- char *s2 = (char *) _mesa_malloc(l + 1);
+ size_t l = strlen(s);
+ char *s2 = (char *) malloc(l + 1);
if (s2)
- _mesa_strcpy(s2, s);
+ strcpy(s2, s);
return s2;
}
else {
}
}
-/** Wrapper around atoi() */
-int
-_mesa_atoi(const char *s)
-{
- return atoi(s);
-}
-
-/** Wrapper around strtod() */
-double
-_mesa_strtod( const char *s, char **end )
+/** Wrapper around strtof() */
+float
+_mesa_strtof( const char *s, char **end )
{
-#ifdef _GNU_SOURCE
+#if defined(_GNU_SOURCE) && !defined(__CYGWIN__) && !defined(__FreeBSD__) && \
+ !defined(ANDROID) && !defined(__HAIKU__)
static locale_t loc = NULL;
if (!loc) {
loc = newlocale(LC_CTYPE_MASK, "C", NULL);
}
- return strtod_l(s, end, loc);
+ return strtof_l(s, end, loc);
+#elif defined(_ISOC99_SOURCE) || (defined(_XOPEN_SOURCE) && _XOPEN_SOURCE >= 600)
+ return strtof(s, end);
#else
- return strtod(s, end);
+ return (float)strtod(s, end);
#endif
}
/*@}*/
-/**********************************************************************/
-/** \name I/O */
-/*@{*/
-
-/** Wrapper around vsprintf() */
+/** Needed due to #ifdef's, above. */
int
-_mesa_sprintf( char *str, const char *fmt, ... )
+_mesa_vsnprintf(char *str, size_t size, const char *fmt, va_list args)
{
- int r;
- va_list args;
- va_start( args, fmt );
- r = vsprintf( str, fmt, args );
- va_end( args );
- return r;
+ return vsnprintf( str, size, fmt, args);
}
/** Wrapper around vsnprintf() */
return r;
}
-/** Wrapper around printf(), using vsprintf() for the formatting. */
-void
-_mesa_printf( const char *fmtString, ... )
-{
- va_list args;
- va_start( args, fmtString );
- vfprintf(stderr, fmtString, args);
- va_end( args );
-}
-
-/** Wrapper around fprintf(), using vsprintf() for the formatting. */
-void
-_mesa_fprintf( FILE *f, const char *fmtString, ... )
-{
- char s[MAXSTRING];
- va_list args;
- va_start( args, fmtString );
- vsnprintf(s, MAXSTRING, fmtString, args);
- va_end( args );
- fprintf(f, "%s", s);
-}
-
-/** Wrapper around vsprintf() */
-int
-_mesa_vsprintf( char *str, const char *fmt, va_list args )
-{
- return vsprintf( str, fmt, args );
-}
-
-/*@}*/
-
-
-/**********************************************************************/
-/** \name Diagnostics */
-/*@{*/
-
-static void
-output_if_debug(const char *prefixString, const char *outputString,
- GLboolean newline)
-{
- static int debug = -1;
-
- /* Check the MESA_DEBUG environment variable if it hasn't
- * been checked yet. We only have to check it once...
- */
- if (debug == -1) {
- char *env = _mesa_getenv("MESA_DEBUG");
-
- /* In a debug build, we print warning messages *unless*
- * MESA_DEBUG is 0. In a non-debug build, we don't
- * print warning messages *unless* MESA_DEBUG is
- * set *to any value*.
- */
-#ifdef DEBUG
- debug = (env != NULL && _mesa_atoi(env) == 0) ? 0 : 1;
-#else
- debug = (env != NULL) ? 1 : 0;
-#endif
- }
-
- /* Now only print the string if we're required to do so. */
- if (debug) {
- fprintf(stderr, "%s: %s", prefixString, outputString);
- if (newline)
- fprintf(stderr, "\n");
-
-#if defined(_WIN32) && !defined(_WIN32_WCE)
- /* stderr from windows applications without console is not usually
- * visible, so communicate with the debugger instead */
- {
- char buf[4096];
- _mesa_snprintf(buf, sizeof(buf), "%s: %s%s", prefixString, outputString, newline ? "\n" : "");
- OutputDebugStringA(buf);
- }
-#endif
- }
-}
-
-
-/**
- * Return string version of GL error code.
- */
-static const char *
-error_string( GLenum error )
-{
- switch (error) {
- case GL_NO_ERROR:
- return "GL_NO_ERROR";
- case GL_INVALID_VALUE:
- return "GL_INVALID_VALUE";
- case GL_INVALID_ENUM:
- return "GL_INVALID_ENUM";
- case GL_INVALID_OPERATION:
- return "GL_INVALID_OPERATION";
- case GL_STACK_OVERFLOW:
- return "GL_STACK_OVERFLOW";
- case GL_STACK_UNDERFLOW:
- return "GL_STACK_UNDERFLOW";
- case GL_OUT_OF_MEMORY:
- return "GL_OUT_OF_MEMORY";
- case GL_TABLE_TOO_LARGE:
- return "GL_TABLE_TOO_LARGE";
- case GL_INVALID_FRAMEBUFFER_OPERATION_EXT:
- return "GL_INVALID_FRAMEBUFFER_OPERATION";
- default:
- return "unknown";
- }
-}
-
-
-/**
- * When a new type of error is recorded, print a message describing
- * previous errors which were accumulated.
- */
-static void
-flush_delayed_errors( GLcontext *ctx )
-{
- char s[MAXSTRING];
-
- if (ctx->ErrorDebugCount) {
- _mesa_snprintf(s, MAXSTRING, "%d similar %s errors",
- ctx->ErrorDebugCount,
- error_string(ctx->ErrorValue));
-
- output_if_debug("Mesa", s, GL_TRUE);
-
- ctx->ErrorDebugCount = 0;
- }
-}
-
-
-/**
- * Report a warning (a recoverable error condition) to stderr if
- * either DEBUG is defined or the MESA_DEBUG env var is set.
- *
- * \param ctx GL context.
- * \param fmtString printf()-like format string.
- */
-void
-_mesa_warning( GLcontext *ctx, const char *fmtString, ... )
-{
- char str[MAXSTRING];
- va_list args;
- va_start( args, fmtString );
- (void) vsnprintf( str, MAXSTRING, fmtString, args );
- va_end( args );
-
- if (ctx)
- flush_delayed_errors( ctx );
-
- output_if_debug("Mesa warning", str, GL_TRUE);
-}
-
-
-/**
- * Report an internal implementation problem.
- * Prints the message to stderr via fprintf().
- *
- * \param ctx GL context.
- * \param fmtString problem description string.
- */
-void
-_mesa_problem( const GLcontext *ctx, const char *fmtString, ... )
-{
- va_list args;
- char str[MAXSTRING];
- (void) ctx;
-
- va_start( args, fmtString );
- vsnprintf( str, MAXSTRING, fmtString, args );
- va_end( args );
-
- fprintf(stderr, "Mesa %s implementation error: %s\n", MESA_VERSION_STRING, str);
- fprintf(stderr, "Please report at bugzilla.freedesktop.org\n");
-}
-
-
-/**
- * Record an OpenGL state error. These usually occur when the user
- * passes invalid parameters to a GL function.
- *
- * If debugging is enabled (either at compile-time via the DEBUG macro, or
- * run-time via the MESA_DEBUG environment variable), report the error with
- * _mesa_debug().
- *
- * \param ctx the GL context.
- * \param error the error value.
- * \param fmtString printf() style format string, followed by optional args
- */
-void
-_mesa_error( GLcontext *ctx, GLenum error, const char *fmtString, ... )
-{
- static GLint debug = -1;
-
- /* Check debug environment variable only once:
- */
- if (debug == -1) {
- const char *debugEnv = _mesa_getenv("MESA_DEBUG");
-
-#ifdef DEBUG
- if (debugEnv && _mesa_strstr(debugEnv, "silent"))
- debug = GL_FALSE;
- else
- debug = GL_TRUE;
-#else
- if (debugEnv)
- debug = GL_TRUE;
- else
- debug = GL_FALSE;
-#endif
- }
-
- if (debug) {
- if (ctx->ErrorValue == error &&
- ctx->ErrorDebugFmtString == fmtString) {
- ctx->ErrorDebugCount++;
- }
- else {
- char s[MAXSTRING], s2[MAXSTRING];
- va_list args;
-
- flush_delayed_errors( ctx );
-
- va_start(args, fmtString);
- vsnprintf(s, MAXSTRING, fmtString, args);
- va_end(args);
-
- _mesa_snprintf(s2, MAXSTRING, "%s in %s", error_string(error), s);
- output_if_debug("Mesa: User error", s2, GL_TRUE);
-
- ctx->ErrorDebugFmtString = fmtString;
- ctx->ErrorDebugCount = 0;
- }
- }
-
- _mesa_record_error(ctx, error);
-}
-
-
-/**
- * Report debug information. Print error message to stderr via fprintf().
- * No-op if DEBUG mode not enabled.
- *
- * \param ctx GL context.
- * \param fmtString printf()-style format string, followed by optional args.
- */
-void
-_mesa_debug( const GLcontext *ctx, const char *fmtString, ... )
-{
-#ifdef DEBUG
- char s[MAXSTRING];
- va_list args;
- va_start(args, fmtString);
- vsnprintf(s, MAXSTRING, fmtString, args);
- va_end(args);
- output_if_debug("Mesa", s, GL_FALSE);
-#endif /* DEBUG */
- (void) ctx;
- (void) fmtString;
-}
-
-/*@}*/
-
-
-/**
- * Wrapper for exit().
- */
-void
-_mesa_exit( int status )
-{
- exit(status);
-}