97 lines
2.4 KiB
C
97 lines
2.4 KiB
C
#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <GL/glew.h>
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#if defined(GLEW_EGL)
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#include <GL/eglew.h>
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#elif defined(GLEW_OSMESA)
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#define GLAPI extern
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#include <GL/osmesa.h>
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#elif defined(_WIN32)
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#include <GL/wglew.h>
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#elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
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#include <GL/glxew.h>
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#endif
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#if defined(__APPLE__)
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#include <AvailabilityMacros.h>
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#endif
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#ifdef GLEW_REGAL
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#include <GL/Regal.h>
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#endif
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static FILE* f;
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/* Command-line parameters for GL context creation */
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struct createParams
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{
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#if defined(GLEW_OSMESA)
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#elif defined(GLEW_EGL)
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#elif defined(_WIN32)
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int pixelformat;
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#elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX)
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const char* display;
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int visual;
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#endif
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int major, minor; /* GL context version number */
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/* https://www.opengl.org/registry/specs/ARB/glx_create_context.txt */
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int profile; /* core = 1, compatibility = 2 */
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int flags; /* debug = 1, forward compatible = 2 */
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/* GLEW experimental mode */
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int experimental;
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};
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GLboolean glewCreateContext (struct createParams *params);
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GLboolean glewParseArgs (int argc, char** argv, struct createParams *);
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void glewDestroyContext ();
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/* ------------------------------------------------------------------------- */
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static GLboolean glewPrintExt (const char* name, GLboolean def1, GLboolean def2, GLboolean def3)
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{
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unsigned int i;
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fprintf(f, "\n%s:", name);
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for (i=0; i<62-strlen(name); i++) fprintf(f, " ");
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fprintf(f, "%s ", def1 ? "OK" : "MISSING");
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if (def1 != def2)
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fprintf(f, "[%s] ", def2 ? "OK" : "MISSING");
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if (def1 != def3)
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fprintf(f, "[%s]\n", def3 ? "OK" : "MISSING");
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else
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fprintf(f, "\n");
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for (i=0; i<strlen(name)+1; i++) fprintf(f, "-");
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fprintf(f, "\n");
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fflush(f);
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return def1 || def2 || def3 || glewExperimental; /* Enable per-function info too? */
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}
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static void glewInfoFunc (GLboolean fi, const char* name, GLint undefined)
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{
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unsigned int i;
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if (fi)
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{
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fprintf(f, " %s:", name);
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for (i=0; i<60-strlen(name); i++) fprintf(f, " ");
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fprintf(f, "%s\n", undefined ? "MISSING" : "OK");
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fflush(f);
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}
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}
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/* ----------------------------- GL_VERSION_1_1 ---------------------------- */
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#ifdef GL_VERSION_1_1
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static void _glewInfo_GL_VERSION_1_1 (void)
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{
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glewPrintExt("GL_VERSION_1_1", GLEW_VERSION_1_1, GLEW_VERSION_1_1, GLEW_VERSION_1_1);
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}
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#endif /* GL_VERSION_1_1 */
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