diff options
Diffstat (limited to 'auto/src/glewinfo_tail.c')
| -rw-r--r-- | auto/src/glewinfo_tail.c | 426 |
1 files changed, 426 insertions, 0 deletions
diff --git a/auto/src/glewinfo_tail.c b/auto/src/glewinfo_tail.c new file mode 100644 index 0000000..a5e9232 --- /dev/null +++ b/auto/src/glewinfo_tail.c @@ -0,0 +1,426 @@ +} + +#endif /* _WIN32 */ + +/* ------------------------------------------------------------------------ */ + +int main (int argc, char** argv) +{ + GLuint err; + struct createParams params = + { +#if defined(_WIN32) + -1, /* pixelformat */ +#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX) + "", /* display */ + -1, /* visual */ +#endif + 0, /* major */ + 0, /* minor */ + 0, /* profile mask */ + 0 /* flags */ + }; + + if (glewParseArgs(argc-1, argv+1, ¶ms)) + { + fprintf(stderr, "Usage: glewinfo " +#if defined(_WIN32) + "[-pf <pixelformat>] " +#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX) + "[-display <display>] " + "[-visual <visual id>] " +#endif + "[-version <OpenGL version>] " + "[-profile core|compatibility] " + "[-flag debug|forward]" + "\n"); + return 1; + } + + if (GL_TRUE == glewCreateContext(¶ms)) + { + fprintf(stderr, "Error: glewCreateContext failed\n"); + glewDestroyContext(); + return 1; + } + glewExperimental = GL_TRUE; +#ifdef GLEW_MX + err = glewContextInit(glewGetContext()); +#ifdef _WIN32 + err = err || wglewContextInit(wglewGetContext()); +#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX) + err = err || glxewContextInit(glxewGetContext()); +#endif + +#else + err = glewInit(); +#endif + if (GLEW_OK != err) + { + fprintf(stderr, "Error [main]: glewInit failed: %s\n", glewGetErrorString(err)); + glewDestroyContext(); + return 1; + } +#if defined(_WIN32) +#if defined(_MSC_VER) && (_MSC_VER >= 1400) + if (fopen_s(&f, "glewinfo.txt", "w") != 0) + f = stdout; +#else + f = fopen("glewinfo.txt", "w"); +#endif + if (f == NULL) f = stdout; +#else + f = stdout; +#endif + fprintf(f, "---------------------------\n"); + fprintf(f, " GLEW Extension Info\n"); + fprintf(f, "---------------------------\n\n"); + fprintf(f, "GLEW version %s\n", glewGetString(GLEW_VERSION)); +#if defined(_WIN32) + fprintf(f, "Reporting capabilities of pixelformat %d\n", params.pixelformat); +#elif !defined(__APPLE__) || defined(GLEW_APPLE_GLX) + fprintf(f, "Reporting capabilities of display %s, visual 0x%x\n", + params.display == NULL ? getenv("DISPLAY") : params.display, params.visual); +#endif + 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)); + glewInfo(); +#if defined(_WIN32) + wglewInfo(); +#else + glxewInfo(); +#endif + if (f != stdout) fclose(f); + glewDestroyContext(); + return 0; +} + +/* ------------------------------------------------------------------------ */ + +GLboolean glewParseArgs (int argc, char** argv, struct createParams *params) +{ + int p = 0; + while (p < argc) + { + if (!strcmp(argv[p], "-version")) + { + if (++p >= argc) return GL_TRUE; + if (sscanf(argv[p++], "%d.%d", ¶ms->major, ¶ms->minor) != 2) return GL_TRUE; + } + else if (!strcmp(argv[p], "-profile")) + { + if (++p >= argc) return GL_TRUE; + if (strcmp("core", argv[p]) == 0) params->profile |= 1; + else if (strcmp("compatibility",argv[p]) == 0) params->profile |= 2; + else return GL_TRUE; + ++p; + } + else if (!strcmp(argv[p], "-flag")) + { + if (++p >= argc) return GL_TRUE; + if (strcmp("debug", argv[p]) == 0) params->flags |= 1; + else if (strcmp("forward",argv[p]) == 0) params->flags |= 2; + else return GL_TRUE; + ++p; + } +#if defined(_WIN32) + else if (!strcmp(argv[p], "-pf") || !strcmp(argv[p], "-pixelformat")) + { + if (++p >= argc) return GL_TRUE; + params->pixelformat = strtol(argv[p++], NULL, 0); + } +#elif !defined(__HAIKU__) && !defined(__APPLE__) || defined(GLEW_APPLE_GLX) + else if (!strcmp(argv[p], "-display")) + { + if (++p >= argc) return GL_TRUE; + params->display = argv[p++]; + } + else if (!strcmp(argv[p], "-visual")) + { + if (++p >= argc) return GL_TRUE; + params->visual = (int)strtol(argv[p++], NULL, 0); + } +#endif + else + return GL_TRUE; + } + return GL_FALSE; +} + +/* ------------------------------------------------------------------------ */ + +#if defined(_WIN32) + +HWND wnd = NULL; +HDC dc = NULL; +HGLRC rc = NULL; + +GLboolean glewCreateContext (struct createParams* params) +{ + WNDCLASS wc; + PIXELFORMATDESCRIPTOR pfd; + /* register window class */ + ZeroMemory(&wc, sizeof(WNDCLASS)); + wc.hInstance = GetModuleHandle(NULL); + wc.lpfnWndProc = DefWindowProc; + wc.lpszClassName = "GLEW"; + if (0 == RegisterClass(&wc)) return GL_TRUE; + /* create window */ + wnd = CreateWindow("GLEW", "GLEW", 0, CW_USEDEFAULT, CW_USEDEFAULT, CW_USEDEFAULT, + CW_USEDEFAULT, NULL, NULL, GetModuleHandle(NULL), NULL); + if (NULL == wnd) return GL_TRUE; + /* get the device context */ + dc = GetDC(wnd); + if (NULL == dc) return GL_TRUE; + /* find pixel format */ + ZeroMemory(&pfd, sizeof(PIXELFORMATDESCRIPTOR)); + if (params->pixelformat == -1) /* find default */ + { + pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); + pfd.nVersion = 1; + pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL; + params->pixelformat = ChoosePixelFormat(dc, &pfd); + if (params->pixelformat == 0) return GL_TRUE; + } + /* set the pixel format for the dc */ + if (FALSE == SetPixelFormat(dc, params->pixelformat, &pfd)) return GL_TRUE; + /* create rendering context */ + rc = wglCreateContext(dc); + if (NULL == rc) return GL_TRUE; + if (FALSE == wglMakeCurrent(dc, rc)) return GL_TRUE; + if (params->major || params->profile || params->flags) + { + HGLRC oldRC = rc; + int contextAttrs[20]; + int i; + + wglewInit(); + + /* Intel HD 3000 has WGL_ARB_create_context, but not WGL_ARB_create_context_profile */ + if (!wglewGetExtension("WGL_ARB_create_context")) + return GL_TRUE; + + i = 0; + if (params->major) + { + contextAttrs[i++] = WGL_CONTEXT_MAJOR_VERSION_ARB; + contextAttrs[i++] = params->major; + contextAttrs[i++] = WGL_CONTEXT_MINOR_VERSION_ARB; + contextAttrs[i++] = params->minor; + } + if (params->profile) + { + contextAttrs[i++] = WGL_CONTEXT_PROFILE_MASK_ARB; + contextAttrs[i++] = params->profile; + } + if (params->flags) + { + contextAttrs[i++] = WGL_CONTEXT_FLAGS_ARB; + contextAttrs[i++] = params->flags; + } + contextAttrs[i++] = 0; + rc = wglCreateContextAttribsARB(dc, 0, contextAttrs); + + if (NULL == rc) return GL_TRUE; + if (!wglMakeCurrent(dc, rc)) return GL_TRUE; + + wglDeleteContext(oldRC); + } + return GL_FALSE; +} + +void glewDestroyContext () +{ + if (NULL != rc) wglMakeCurrent(NULL, NULL); + if (NULL != rc) wglDeleteContext(rc); + if (NULL != wnd && NULL != dc) ReleaseDC(wnd, dc); + if (NULL != wnd) DestroyWindow(wnd); + UnregisterClass("GLEW", GetModuleHandle(NULL)); +} + +/* ------------------------------------------------------------------------ */ + +#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX) + +#include <OpenGL/OpenGL.h> +#include <OpenGL/CGLTypes.h> + +CGLContextObj ctx, octx; + +GLboolean glewCreateContext (struct createParams *params) +{ + CGLPixelFormatAttribute contextAttrs[20]; + int i; + CGLPixelFormatObj pf; + GLint npix; + CGLError error; + + i = 0; + contextAttrs[i++] = kCGLPFAAccelerated; /* No software rendering */ + + #if MAC_OS_X_VERSION_MIN_REQUIRED >= MAC_OS_X_VERSION_10_7 + if (params->profile & GL_CONTEXT_CORE_PROFILE_BIT) + { + if (params->major==3 && params->minor>=2) + { + contextAttrs[i++] = kCGLPFAOpenGLProfile; /* OSX 10.7 Lion onwards */ + contextAttrs[i++] = (CGLPixelFormatAttribute) kCGLOGLPVersion_3_2_Core; /* 3.2 Core Context */ + } + } + #endif + + contextAttrs[i++] = 0; + + error = CGLChoosePixelFormat(contextAttrs, &pf, &npix); + if (error) return GL_TRUE; + error = CGLCreateContext(pf, NULL, &ctx); + if (error) return GL_TRUE; + CGLReleasePixelFormat(pf); + octx = CGLGetCurrentContext(); + error = CGLSetCurrentContext(ctx); + if (error) return GL_TRUE; + /* Needed for Regal on the Mac */ + #if defined(GLEW_REGAL) && defined(__APPLE__) + RegalMakeCurrent(ctx); + #endif + return GL_FALSE; +} + +void glewDestroyContext () +{ + CGLSetCurrentContext(octx); + CGLReleaseContext(ctx); +} + +/* ------------------------------------------------------------------------ */ + +#elif defined(__HAIKU__) + +GLboolean glewCreateContext (struct createParams *params) +{ + /* TODO: Haiku: We need to call C++ code here */ + return GL_FALSE; +} + +void glewDestroyContext () +{ + /* TODO: Haiku: We need to call C++ code here */ +} + +/* ------------------------------------------------------------------------ */ + +#else /* __UNIX || (__APPLE__ && GLEW_APPLE_GLX) */ + +Display* dpy = NULL; +XVisualInfo* vi = NULL; +XVisualInfo* vis = NULL; +GLXContext ctx = NULL; +Window wnd = 0; +Colormap cmap = 0; + +GLboolean glewCreateContext (struct createParams *params) +{ + int attrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, None }; + int erb, evb; + XSetWindowAttributes swa; + /* open display */ + dpy = XOpenDisplay(params->display); + if (NULL == dpy) return GL_TRUE; + /* query for glx */ + if (!glXQueryExtension(dpy, &erb, &evb)) return GL_TRUE; + /* choose visual */ + if (params->visual == -1) + { + vi = glXChooseVisual(dpy, DefaultScreen(dpy), attrib); + if (NULL == vi) return GL_TRUE; + params->visual = (int)XVisualIDFromVisual(vi->visual); + } + else + { + int n_vis, i; + vis = XGetVisualInfo(dpy, 0, NULL, &n_vis); + for (i=0; i<n_vis; i++) + { + if ((int)XVisualIDFromVisual(vis[i].visual) == params->visual) + vi = &vis[i]; + } + if (vi == NULL) return GL_TRUE; + } + /* create context */ + ctx = glXCreateContext(dpy, vi, None, True); + if (NULL == ctx) return GL_TRUE; + /* create window */ + /*wnd = XCreateSimpleWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, 1, 1, 1, 0, 0);*/ + cmap = XCreateColormap(dpy, RootWindow(dpy, vi->screen), vi->visual, AllocNone); + swa.border_pixel = 0; + swa.colormap = cmap; + wnd = XCreateWindow(dpy, RootWindow(dpy, vi->screen), + 0, 0, 1, 1, 0, vi->depth, InputOutput, vi->visual, + CWBorderPixel | CWColormap, &swa); + /* make context current */ + if (!glXMakeCurrent(dpy, wnd, ctx)) return GL_TRUE; + if (params->major || params->profile || params->flags) + { + GLXContext oldCtx = ctx; + GLXFBConfig *FBConfigs; + int FBConfigAttrs[] = { GLX_FBCONFIG_ID, 0, None }; + int contextAttrs[20]; + int nelems, i; + + glxewInit(); + + if (!glxewGetExtension("GLX_ARB_create_context")) + return GL_TRUE; + + if (glXQueryContext(dpy, oldCtx, GLX_FBCONFIG_ID, &FBConfigAttrs[1])) + return GL_TRUE; + FBConfigs = glXChooseFBConfig(dpy, vi->screen, FBConfigAttrs, &nelems); + + if (nelems < 1) + return GL_TRUE; + + i = 0; + if (params->major) + { + contextAttrs[i++] = GLX_CONTEXT_MAJOR_VERSION_ARB; + contextAttrs[i++] = params->major; + contextAttrs[i++] = GLX_CONTEXT_MINOR_VERSION_ARB; + contextAttrs[i++] = params->minor; + } + if (params->profile) + { + contextAttrs[i++] = GLX_CONTEXT_PROFILE_MASK_ARB; + contextAttrs[i++] = params->profile; + } + if (params->flags) + { + contextAttrs[i++] = GLX_CONTEXT_FLAGS_ARB; + contextAttrs[i++] = params->flags; + } + contextAttrs[i++] = None; + ctx = glXCreateContextAttribsARB(dpy, *FBConfigs, NULL, True, contextAttrs); + + if (NULL == ctx) return GL_TRUE; + if (!glXMakeCurrent(dpy, wnd, ctx)) return GL_TRUE; + + glXDestroyContext(dpy, oldCtx); + + XFree(FBConfigs); + } + return GL_FALSE; +} + +void glewDestroyContext () +{ + if (NULL != dpy && NULL != ctx) glXDestroyContext(dpy, ctx); + if (NULL != dpy && 0 != wnd) XDestroyWindow(dpy, wnd); + if (NULL != dpy && 0 != cmap) XFreeColormap(dpy, cmap); + if (NULL != vis) + XFree(vis); + else if (NULL != vi) + XFree(vi); + if (NULL != dpy) XCloseDisplay(dpy); +} + +#endif /* __UNIX || (__APPLE__ && GLEW_APPLE_GLX) */ |