mirror of
https://github.com/Perlmint/glew-cmake.git
synced 2024-11-27 00:51:55 +00:00
Generate Sources of origin/master updated at Thu Jan 7 17:44:33 GMT 2016
This commit is contained in:
omniavinco
parent
573806ef49
commit
9b1e3b3dca
93
src/glew.c
93
src/glew.c
@ -42,7 +42,7 @@
|
||||
#endif
|
||||
|
||||
#include <stddef.h> /* For size_t */
|
||||
#include <stdlib.h> /* For malloc, free */
|
||||
#include <stdlib.h> /* For bsearch */
|
||||
#include <string.h> /* For memset */
|
||||
|
||||
#if defined(GLEW_REGAL)
|
||||
@ -97,7 +97,7 @@ void* NSGLGetProcAddress (const GLubyte *name)
|
||||
{
|
||||
static void* image = NULL;
|
||||
void* addr;
|
||||
if (NULL == image)
|
||||
if (NULL == image)
|
||||
{
|
||||
image = dlopen("/System/Library/Frameworks/OpenGL.framework/Versions/Current/OpenGL", RTLD_LAZY);
|
||||
}
|
||||
@ -198,25 +198,19 @@ static GLuint _glewStrCLen (const GLubyte* s, GLubyte c)
|
||||
GLuint i=0;
|
||||
if (s == NULL) return 0;
|
||||
while (s[i] != '\0' && s[i] != c) i++;
|
||||
return (s[i] == '\0' || s[i] == c) ? i : 0;
|
||||
return i;
|
||||
}
|
||||
|
||||
static GLubyte *_glewStrDup (const GLubyte *s)
|
||||
static GLuint _glewStrCopy(char *d, const char *s, char c)
|
||||
{
|
||||
int n = _glewStrLen(s);
|
||||
GLubyte *dup = malloc(n+1);
|
||||
if (dup)
|
||||
{
|
||||
GLubyte *i = dup;
|
||||
for (;;)
|
||||
{
|
||||
*i = *s;
|
||||
if (*i) { ++i; ++s; } else break;
|
||||
}
|
||||
}
|
||||
return dup;
|
||||
GLuint i=0;
|
||||
if (s == NULL) return 0;
|
||||
while (s[i] != '\0' && s[i] != c) { d[i] = s[i]; i++; }
|
||||
d[i] = '\0';
|
||||
return i;
|
||||
}
|
||||
|
||||
#if !defined(GLEW_OSMESA)
|
||||
#if !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
|
||||
static GLboolean _glewStrSame (const GLubyte* a, const GLubyte* b, GLuint n)
|
||||
{
|
||||
@ -227,6 +221,7 @@ static GLboolean _glewStrSame (const GLubyte* a, const GLubyte* b, GLuint n)
|
||||
return i == n ? GL_TRUE : GL_FALSE;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
static GLboolean _glewStrSame1 (const GLubyte** a, GLuint* na, const GLubyte* b, GLuint nb)
|
||||
{
|
||||
@ -287,6 +282,7 @@ static GLboolean _glewStrSame3 (const GLubyte** a, GLuint* na, const GLubyte* b,
|
||||
* other extension names. Could use strtok() but the constant
|
||||
* string returned by glGetString might be in read-only memory.
|
||||
*/
|
||||
#if !defined(GLEW_OSMESA)
|
||||
#if !defined(__APPLE__) || defined(GLEW_APPLE_GLX)
|
||||
static GLboolean _glewSearchExtension (const char* name, const GLubyte *start, const GLubyte *end)
|
||||
{
|
||||
@ -302,6 +298,7 @@ static GLboolean _glewSearchExtension (const char* name, const GLubyte *start, c
|
||||
return GL_FALSE;
|
||||
}
|
||||
#endif
|
||||
#endif
|
||||
|
||||
#if !defined(_WIN32) || !defined(GLEW_MX)
|
||||
|
||||
@ -16706,13 +16703,25 @@ static GLboolean _glewInit_GL_WIN_swap_hint ()
|
||||
|
||||
static int _glewExtensionCompare(const void *a, const void *b)
|
||||
{
|
||||
return strcmp((const char *) a, *(const char * const *) b);
|
||||
/* http://www.chanduthedev.com/2012/07/strcmp-implementation-in-c.html */
|
||||
const char *s1 = (const char *) a;
|
||||
const char *s2 = *(const char * const *) b;
|
||||
while (*s1 || *s2)
|
||||
{
|
||||
if (*s1 > *s2)
|
||||
return 1;
|
||||
if (*s1 < *s2)
|
||||
return -1;
|
||||
s1++;
|
||||
s2++;
|
||||
}
|
||||
return 0;
|
||||
}
|
||||
|
||||
static GLboolean *_glewGetExtensionString(const char *name)
|
||||
{
|
||||
const char **n = (const char **) bsearch(name, _glewExtensionLookup, sizeof(_glewExtensionLookup)/sizeof(char *)-1, sizeof(char *), _glewExtensionCompare);
|
||||
int i;
|
||||
ptrdiff_t i;
|
||||
|
||||
if (n)
|
||||
{
|
||||
@ -16726,7 +16735,7 @@ static GLboolean *_glewGetExtensionString(const char *name)
|
||||
static GLboolean *_glewGetExtensionEnable(const char *name)
|
||||
{
|
||||
const char **n = (const char **) bsearch(name, _glewExtensionLookup, sizeof(_glewExtensionLookup)/sizeof(char *)-1, sizeof(char *), _glewExtensionCompare);
|
||||
int i;
|
||||
ptrdiff_t i;
|
||||
|
||||
if (n)
|
||||
{
|
||||
@ -16737,17 +16746,17 @@ static GLboolean *_glewGetExtensionEnable(const char *name)
|
||||
return NULL;
|
||||
}
|
||||
|
||||
static char *_glewNextSpace(char *i)
|
||||
static const char *_glewNextSpace(const char *i)
|
||||
{
|
||||
char *j = i;
|
||||
const char *j = i;
|
||||
if (j)
|
||||
while (*j!=' ' && *j) ++j;
|
||||
return j;
|
||||
}
|
||||
|
||||
static char *_glewNextNonSpace(char *i)
|
||||
static const char *_glewNextNonSpace(const char *i)
|
||||
{
|
||||
char *j = i;
|
||||
const char *j = i;
|
||||
if (j)
|
||||
while (*j==' ') ++j;
|
||||
return j;
|
||||
@ -16774,7 +16783,7 @@ static GLenum GLEWAPIENTRY glewContextInit ()
|
||||
dot = _glewStrCLen(s, '.');
|
||||
if (dot == 0)
|
||||
return GLEW_ERROR_NO_GL_VERSION;
|
||||
|
||||
|
||||
major = s[dot-1]-'0';
|
||||
minor = s[dot+1]-'0';
|
||||
|
||||
@ -16782,7 +16791,7 @@ static GLenum GLEWAPIENTRY glewContextInit ()
|
||||
minor = 0;
|
||||
if (major<0 || major>9)
|
||||
return GLEW_ERROR_NO_GL_VERSION;
|
||||
|
||||
|
||||
if (major == 1 && minor == 0)
|
||||
{
|
||||
return GLEW_ERROR_GL_VERSION_10_ONLY;
|
||||
@ -16799,12 +16808,12 @@ static GLenum GLEWAPIENTRY glewContextInit ()
|
||||
GLEW_VERSION_3_2 = GLEW_VERSION_3_3 == GL_TRUE || ( major == 3 && minor >= 2 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_3_1 = GLEW_VERSION_3_2 == GL_TRUE || ( major == 3 && minor >= 1 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_3_0 = GLEW_VERSION_3_1 == GL_TRUE || ( major == 3 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_2_1 = GLEW_VERSION_3_0 == GL_TRUE || ( major == 2 && minor >= 1 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_2_1 = GLEW_VERSION_3_0 == GL_TRUE || ( major == 2 && minor >= 1 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_2_0 = GLEW_VERSION_2_1 == GL_TRUE || ( major == 2 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_5 = GLEW_VERSION_2_0 == GL_TRUE || ( major == 1 && minor >= 5 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_4 = GLEW_VERSION_1_5 == GL_TRUE || ( major == 1 && minor >= 4 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_3 = GLEW_VERSION_1_4 == GL_TRUE || ( major == 1 && minor >= 3 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_2_1 = GLEW_VERSION_1_3 == GL_TRUE ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_2_1 = GLEW_VERSION_1_3 == GL_TRUE ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_2 = GLEW_VERSION_1_2_1 == GL_TRUE || ( major == 1 && minor >= 2 ) ? GL_TRUE : GL_FALSE;
|
||||
GLEW_VERSION_1_1 = GLEW_VERSION_1_2 == GL_TRUE || ( major == 1 && minor >= 1 ) ? GL_TRUE : GL_FALSE;
|
||||
}
|
||||
@ -16841,36 +16850,38 @@ static GLenum GLEWAPIENTRY glewContextInit ()
|
||||
}
|
||||
else
|
||||
{
|
||||
const GLubyte *ext;
|
||||
char *begin;
|
||||
char *end;
|
||||
char *i;
|
||||
char *j;
|
||||
const char *extensions;
|
||||
const char *end;
|
||||
const char *i;
|
||||
const char *j;
|
||||
char ext[128];
|
||||
GLboolean *enable;
|
||||
|
||||
ext = glGetString(GL_EXTENSIONS);
|
||||
extensions = (const char *) glGetString(GL_EXTENSIONS);
|
||||
|
||||
if (ext)
|
||||
if (extensions)
|
||||
{
|
||||
begin = (char *) _glewStrDup(ext);
|
||||
end = begin + _glewStrLen((GLubyte *) begin);
|
||||
for (i=begin; i<end; i = j + 1)
|
||||
end = extensions + _glewStrLen((const GLubyte *) extensions);
|
||||
for (i=extensions; i<end; i = j + 1)
|
||||
{
|
||||
i = _glewNextNonSpace(i);
|
||||
j = _glewNextSpace(i);
|
||||
*j = 0;
|
||||
|
||||
/* Copy extension into NUL terminated string */
|
||||
if (j-i >= (ptrdiff_t) sizeof(ext))
|
||||
continue;
|
||||
_glewStrCopy(ext, i, ' ');
|
||||
|
||||
/* Based on extension string(s), glewGetExtension purposes */
|
||||
enable = _glewGetExtensionString(i);
|
||||
enable = _glewGetExtensionString(ext);
|
||||
if (enable)
|
||||
*enable = GL_TRUE;
|
||||
|
||||
/* Based on extension string(s), experimental mode, glewIsSupported purposes */
|
||||
enable = _glewGetExtensionEnable(i);
|
||||
enable = _glewGetExtensionEnable(ext);
|
||||
if (enable)
|
||||
*enable = GL_TRUE;
|
||||
}
|
||||
free(begin);
|
||||
}
|
||||
}
|
||||
#ifdef GL_VERSION_1_2
|
||||
|
||||
Loading…
Reference in New Issue
Block a user