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added command line flags to glewinfo

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git-svn-id: https://glew.svn.sourceforge.net/svnroot/glew/trunk/glew@208 783a27ee-832a-0410-bc00-9f386506c6dd
This commit is contained in:
ikits 2004-02-01 21:26:11 +00:00
parent dbb7f8c798
commit d092e87d8e
2 changed files with 70 additions and 15 deletions
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81
auto/src/glewinfo_post.c
View File

@ -4,10 +4,27 @@
/* ------------------------------------------------------------------------ */
int main ()
int main (int argc, char** argv)
{
GLuint err;
if (GL_TRUE == glewCreateContext())
char* display = NULL;
int visual = -1;
#ifdef _WIN32
const char* visual_str = "PixelFormat";
#else
const char* visual_str = "Visual";
#endif
if (glewParseArgs(argc-1, argv+1, &display, &visual))
{
#ifdef _WIN32
fprintf(stderr, "Usage: glewinfo [-pf <id>]\n");
#else
fprintf(stderr, "Usage: glewinfo [-display <display>] [-visual <id>]\n");
#endif
return 1;
}
if (GL_TRUE == glewCreateContext(display, &visual))
{
fprintf(stderr, "Error: glewCreateContext failed\n");
glewDestroyContext();
@ -30,10 +47,11 @@ int main ()
fprintf(f, "---------------------------\n");
fprintf(f, " GLEW Extension Info\n");
fprintf(f, "---------------------------\n\n");
fprintf(f, "GLEW version %s\n", glewGetString(GLEW_VERSION));
fprintf(f, "Reporting capabilities of %s %d\n", visual_str, visual);
fprintf(f, "Running on a %s from %s\n",
glGetString(GL_RENDERER), glGetString(GL_VENDOR));
fprintf(f, "OpenGL version %s is supported\n", glGetString(GL_VERSION));
fprintf(f, "GLEW version %s is supported\n", glewGetString(GLEW_VERSION));
glewInfo();
#ifdef _WIN32
wglewInfo();
@ -47,17 +65,49 @@ int main ()
/* ------------------------------------------------------------------------ */
GLboolean glewParseArgs (int argc, char** argv, char** display, int* visual)
{
int p = 0;
while (p < argc)
{
#ifdef _WIN32
if (!strcmp(argv[p], "-pf"))
{
if (++p >= argc) return GL_TRUE;
*visual = atoi(argv[p++]);
}
else
return GL_TRUE;
#else
if (!strcmp(argv[p], "-display"))
{
if (++p >= argc) return GL_TRUE;
*display = argv[p++];
}
else if (!strcmp(argv[p], "-visual") || !strcmp(argv[p], "-pf"))
{
if (++p >= argc) return GL_TRUE;
*visual = atoi(argv[p++]);
}
else
return GL_TRUE;
#endif
}
return GL_FALSE;
}
/* ------------------------------------------------------------------------ */
#ifdef _WIN32
HWND wnd = NULL;
HDC dc = NULL;
HGLRC rc = NULL;
GLboolean glewCreateContext ()
GLboolean glewCreateContext (const char* display, int* visual)
{
WNDCLASS wc;
PIXELFORMATDESCRIPTOR pfd;
int pf;
/* register window class */
ZeroMemory(&wc, sizeof(WNDCLASS));
wc.hInstance = GetModuleHandle(NULL);
@ -72,13 +122,16 @@ GLboolean glewCreateContext ()
if (NULL == dc) return GL_TRUE;
/* find pixel format */
ZeroMemory(&pfd, sizeof(PIXELFORMATDESCRIPTOR));
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
pf = ChoosePixelFormat(dc, &pfd);
if (pf == 0) return GL_TRUE;
if (*visual == -1) /* find default */
{
pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR);
pfd.nVersion = 1;
pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
*visual = ChoosePixelFormat(dc, &pfd);
if (*visual == 0) return GL_TRUE;
}
/* set the pixel format for the dc */
if (FALSE == SetPixelFormat(dc, pf, &pfd)) return GL_TRUE;
if (FALSE == SetPixelFormat(dc, *visual, &pfd)) return GL_TRUE;
/* create rendering context */
rc = wglCreateContext(dc);
if (NULL == rc) return GL_TRUE;
@ -105,7 +158,7 @@ void glewDestroyContext ()
AGLContext ctx, octx;
GLboolean glewCreateContext ()
GLboolean glewCreateContext (const char* display, int* visual)
{
int attrib[] = { AGL_RGBA, AGL_NONE };
AGLPixelFormat pf;
@ -140,13 +193,13 @@ GLXContext ctx = NULL;
Window wnd;
Colormap cmap;
GLboolean glewCreateContext ()
GLboolean glewCreateContext (const char* display, int* visual)
{
int attrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, None };
int erb, evb;
XSetWindowAttributes swa;
/* open display */
dpy = XOpenDisplay(NULL);
dpy = XOpenDisplay(display);
if (NULL == dpy) return GL_TRUE;
/* query for glx */
if (!glXQueryExtension(dpy, &erb, &evb)) return GL_TRUE;

4
auto/src/glewinfo_pre.c
View File

@ -30,6 +30,7 @@
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <GL/glew.h>
#if defined(_WIN32)
@ -40,7 +41,8 @@
static FILE* f;
GLboolean glewCreateContext ();
GLboolean glewCreateContext (const char* display, int* visual);
GLboolean glewParseArgs (int argc, char** argv, char** display, int* visual);
void glewDestroyContext ();
/* ------------------------------------------------------------------------- */