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#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <GL/glew.h>
#if defined(_WIN32)
#include <GL/wglew.h>
#elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
#include <GL/glxew.h>
#endif
#if defined(__APPLE__)
#include <AvailabilityMacros.h>
#endif
#ifdef GLEW_REGAL
#include <GL/Regal.h>
#endif
static FILE* f;
#ifdef GLEW_MX
GLEWContext _glewctx;
#define glewGetContext() (&_glewctx)
#ifdef _WIN32
WGLEWContext _wglewctx;
#define wglewGetContext() (&_wglewctx)
#elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
GLXEWContext _glxewctx;
#define glxewGetContext() (&_glxewctx)
#endif
#endif
/* Command-line parameters for GL context creation */
struct createParams
{
#if defined(_WIN32)
int pixelformat;
#elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
const char* display;
int visual;
#endif
int major, minor; /* GL context version number */
/* https://www.opengl.org/registry/specs/ARB/glx_create_context.txt */
int profile; /* core = 1, compatibility = 2 */
int flags; /* debug = 1, forward compatible = 2 */
};
GLboolean glewCreateContext (struct createParams *params);
GLboolean glewParseArgs (int argc, char** argv, struct createParams *);
void glewDestroyContext ();
/* ------------------------------------------------------------------------- */
static void glewPrintExt (const char* name, GLboolean def1, GLboolean def2, GLboolean def3)
{
unsigned int i;
fprintf(f, "\n%s:", name);
for (i=0; i<62-strlen(name); i++) fprintf(f, " ");
fprintf(f, "%s ", def1 ? "OK" : "MISSING");
if (def1 != def2)
fprintf(f, "[%s] ", def2 ? "OK" : "MISSING");
if (def1 != def3)
fprintf(f, "[%s]\n", def3 ? "OK" : "MISSING");
else
fprintf(f, "\n");
for (i=0; i<strlen(name)+1; i++) fprintf(f, "-");
fprintf(f, "\n");
fflush(f);
}
static void glewInfoFunc (const char* name, GLint undefined)
{
unsigned int i;
fprintf(f, " %s:", name);
for (i=0; i<60-strlen(name); i++) fprintf(f, " ");
fprintf(f, "%s\n", undefined ? "MISSING" : "OK");
fflush(f);
}
/* ----------------------------- GL_VERSION_1_1 ---------------------------- */
#ifdef GL_VERSION_1_1
static void _glewInfo_GL_VERSION_1_1 (void)
{
glewPrintExt("GL_VERSION_1_1", GLEW_VERSION_1_1, GLEW_VERSION_1_1, GLEW_VERSION_1_1);
}
#endif /* GL_VERSION_1_1 */
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