diff options
Diffstat (limited to 'nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_dstr.c')
-rw-r--r-- | nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_dstr.c | 1627 |
1 files changed, 1627 insertions, 0 deletions
diff --git a/nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_dstr.c b/nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_dstr.c new file mode 100644 index 000000000..981e88ffa --- /dev/null +++ b/nx-X11/extras/Mesa_6.4.1/src/glut/glx/glut_dstr.c @@ -0,0 +1,1627 @@ + +/* Copyright (c) Mark J. Kilgard, 1997. */ + +/* This program is freely distributable without licensing fees + and is provided without guarantee or warrantee expressed or + implied. This program is -not- in the public domain. */ + +#include <assert.h> +#include <stdlib.h> +#include <stdio.h> +#include <string.h> +#include "glutint.h" + +/* glxcaps matches the criteria macros listed in glutint.h, but + only list the first set (those that correspond to GLX visual + attributes). */ +static int glxcap[NUM_GLXCAPS] = +{ + GLX_RGBA, + GLX_BUFFER_SIZE, + GLX_DOUBLEBUFFER, + GLX_STEREO, + GLX_AUX_BUFFERS, + GLX_RED_SIZE, + GLX_GREEN_SIZE, + GLX_BLUE_SIZE, + GLX_ALPHA_SIZE, + GLX_DEPTH_SIZE, + GLX_STENCIL_SIZE, + GLX_ACCUM_RED_SIZE, + GLX_ACCUM_GREEN_SIZE, + GLX_ACCUM_BLUE_SIZE, + GLX_ACCUM_ALPHA_SIZE, + GLX_LEVEL, +}; + +#ifdef TEST + +#if !defined(_WIN32) +char *__glutProgramName = "dstr"; +Display *__glutDisplay; +int __glutScreen; +XVisualInfo *(*__glutDetermineVisualFromString) (char *string, Bool * treatAsSingle, + Criterion * requiredCriteria, int nRequired, int requiredMask, void **fbc) = NULL; +char *__glutDisplayString = NULL; +#endif +static int verbose = 0; + +static char *compstr[] = +{ + "none", "=", "!=", "<=", ">=", ">", "<", "~" +}; +static char *capstr[] = +{ + "rgba", "bufsize", "double", "stereo", "auxbufs", "red", "green", "blue", "alpha", + "depth", "stencil", "acred", "acgreen", "acblue", "acalpha", "level", "xvisual", + "transparent", "samples", "xstaticgray", "xgrayscale", "xstaticcolor", "xpseudocolor", + "xtruecolor", "xdirectcolor", "slow", "conformant", "num" +}; + +static void +printCriteria(Criterion * criteria, int ncriteria) +{ + int i; + printf("Criteria: %d\n", ncriteria); + for (i = 0; i < ncriteria; i++) { + printf(" %s %s %d\n", + capstr[criteria[i].capability], + compstr[criteria[i].comparison], + criteria[i].value); + } +} + +#endif /* TEST */ + +static int isMesaGLX = -1; + +static int +determineMesaGLX(void) +{ +#ifdef GLX_VERSION_1_1 + const char *vendor, *version, *ch; + + vendor = glXGetClientString(__glutDisplay, GLX_VENDOR); + if (!strcmp(vendor, "Brian Paul")) { + version = glXGetClientString(__glutDisplay, GLX_VERSION); + for (ch = version; *ch != ' ' && *ch != '\0'; ch++); + for (; *ch == ' ' && *ch != '\0'; ch++); + +#define MESA_NAME "Mesa " /* Trailing space is intentional. */ + + if (!strncmp(MESA_NAME, ch, sizeof(MESA_NAME) - 1)) { + return 1; + } + } +#else + /* Recent versions for Mesa should support GLX 1.1 and + therefore glXGetClientString. If we get into this case, + we would be compiling against a true OpenGL not supporting + GLX 1.1, and the resulting compiled library won't work well + with Mesa then. */ +#endif + return 0; +} + +static XVisualInfo ** +getMesaVisualList(int *n) +{ + XVisualInfo **vlist, *vinfo; + int attribs[23]; + int i, x, cnt; + + vlist = (XVisualInfo **) malloc((32 + 16) * sizeof(XVisualInfo *)); + if (!vlist) + __glutFatalError("out of memory."); + + cnt = 0; + for (i = 0; i < 32; i++) { + x = 0; + attribs[x] = GLX_RGBA; + x++; + attribs[x] = GLX_RED_SIZE; + x++; + attribs[x] = 1; + x++; + attribs[x] = GLX_GREEN_SIZE; + x++; + attribs[x] = 1; + x++; + attribs[x] = GLX_BLUE_SIZE; + x++; + attribs[x] = 1; + x++; + if (i & 1) { + attribs[x] = GLX_DEPTH_SIZE; + x++; + attribs[x] = 1; + x++; + } + if (i & 2) { + attribs[x] = GLX_STENCIL_SIZE; + x++; + attribs[x] = 1; + x++; + } + if (i & 4) { + attribs[x] = GLX_ACCUM_RED_SIZE; + x++; + attribs[x] = 1; + x++; + attribs[x] = GLX_ACCUM_GREEN_SIZE; + x++; + attribs[x] = 1; + x++; + attribs[x] = GLX_ACCUM_BLUE_SIZE; + x++; + attribs[x] = 1; + x++; + } + if (i & 8) { + attribs[x] = GLX_ALPHA_SIZE; + x++; + attribs[x] = 1; + x++; + if (i & 4) { + attribs[x] = GLX_ACCUM_ALPHA_SIZE; + x++; + attribs[x] = 1; + x++; + } + } + if (i & 16) { + attribs[x] = GLX_DOUBLEBUFFER; + x++; + } + attribs[x] = None; + x++; + assert(x <= sizeof(attribs) / sizeof(attribs[0])); + vinfo = glXChooseVisual(__glutDisplay, __glutScreen, attribs); + if (vinfo) { + vlist[cnt] = vinfo; + cnt++; + } + } + for (i = 0; i < 16; i++) { + x = 0; + if (i & 1) { + attribs[x] = GLX_DEPTH_SIZE; + x++; + attribs[x] = 1; + x++; + } + if (i & 2) { + attribs[x] = GLX_STENCIL_SIZE; + x++; + attribs[x] = 1; + x++; + } + if (i & 4) { + attribs[x] = GLX_DOUBLEBUFFER; + x++; + } + if (i & 8) { + attribs[x] = GLX_LEVEL; + x++; + attribs[x] = 1; + x++; +#if defined(GLX_TRANSPARENT_TYPE_EXT) && defined(GLX_TRANSPARENT_INDEX_EXT) + attribs[x] = GLX_TRANSPARENT_TYPE_EXT; + x++; + attribs[x] = GLX_TRANSPARENT_INDEX_EXT; + x++; +#endif + } + attribs[x] = None; + x++; + assert(x <= sizeof(attribs) / sizeof(attribs[0])); + vinfo = glXChooseVisual(__glutDisplay, __glutScreen, attribs); + if (vinfo) { + vlist[cnt] = vinfo; + cnt++; + } + } + + *n = cnt; + return vlist; +} + +static FrameBufferMode * +loadVisuals(int *nitems_return) +{ + XVisualInfo *vinfo, **vlist, template; + FrameBufferMode *fbmodes, *mode; + int n, i, j, rc, glcapable; +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample) + int multisample; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_info) + int visual_info; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_rating) + int visual_rating; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + int fbconfig; +#endif + + isMesaGLX = determineMesaGLX(); + if (isMesaGLX) { + vlist = getMesaVisualList(&n); + } else { +#if !defined(_WIN32) + template.screen = __glutScreen; + vinfo = XGetVisualInfo(__glutDisplay, VisualScreenMask, &template, &n); +#else + vinfo = XGetVisualInfo(__glutDisplay, 0, &template, &n); +#endif + if (vinfo == NULL) { + *nitems_return = 0; + return NULL; + } + assert(n > 0); + + /* Make an array of XVisualInfo* pointers to help the Mesa + case because each glXChooseVisual call returns a + distinct XVisualInfo*, not a handy array like + XGetVisualInfo. (Mesa expects us to return the _exact_ + pointer returned by glXChooseVisual so we could not just + copy the returned structure.) */ + vlist = (XVisualInfo **) malloc(n * sizeof(XVisualInfo *)); + if (!vlist) + __glutFatalError("out of memory."); + for (i = 0; i < n; i++) { + vlist[i] = &vinfo[i]; + } + } + +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample) + multisample = __glutIsSupportedByGLX("GLX_SGIS_multisample"); +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_info) + visual_info = __glutIsSupportedByGLX("GLX_EXT_visual_info"); +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_rating) + visual_rating = __glutIsSupportedByGLX("GLX_EXT_visual_rating"); +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + fbconfig = __glutIsSupportedByGLX("GLX_SGIX_fbconfig"); +#endif + + fbmodes = (FrameBufferMode *) malloc(n * sizeof(FrameBufferMode)); + if (fbmodes == NULL) { + *nitems_return = -1; + return NULL; + } + for (i = 0; i < n; i++) { + mode = &fbmodes[i]; + mode->vi = vlist[i]; +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + mode->fbc = NULL; +#endif + rc = glXGetConfig(__glutDisplay, vlist[i], GLX_USE_GL, &glcapable); + if (rc == 0 && glcapable) { + mode->valid = 1; /* Assume the best until proven + otherwise. */ + for (j = 0; j < NUM_GLXCAPS; j++) { + rc = glXGetConfig(__glutDisplay, vlist[i], glxcap[j], &mode->cap[j]); + if (rc != 0) { + mode->valid = 0; + } + } +#if defined(_WIN32) + mode->cap[XVISUAL] = ChoosePixelFormat(XHDC, vlist[i]); +#else + mode->cap[XVISUAL] = (int) vlist[i]->visualid; +#endif + mode->cap[XSTATICGRAY] = 0; + mode->cap[XGRAYSCALE] = 0; + mode->cap[XSTATICCOLOR] = 0; + mode->cap[XPSEUDOCOLOR] = 0; + mode->cap[XTRUECOLOR] = 0; + mode->cap[XDIRECTCOLOR] = 0; +#if !defined(_WIN32) +#if defined(__cplusplus) || defined(c_plusplus) + switch (vlist[i]->c_class) { +#else + switch (vlist[i]->class) { +#endif + case StaticGray: + mode->cap[XSTATICGRAY] = 1; + break; + case GrayScale: + mode->cap[XGRAYSCALE] = 1; + break; + case StaticColor: + mode->cap[XSTATICCOLOR] = 1; + break; + case PseudoColor: + mode->cap[XPSEUDOCOLOR] = 1; + break; + case TrueColor: + mode->cap[XTRUECOLOR] = 1; + break; + case DirectColor: + mode->cap[XDIRECTCOLOR] = 1; + break; + } +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_rating) + if (visual_rating) { + int rating; + +/* babcock@cs.montana.edu reported that DEC UNIX (OSF1) V4.0 + 564 for Alpha did not properly define GLX_VISUAL_CAVEAT_EXT + in <GL/glx.h> despite claiming to support + GLX_EXT_visual_rating. */ +#ifndef GLX_VISUAL_CAVEAT_EXT +#define GLX_VISUAL_CAVEAT_EXT 0x20 +#endif + + rc = glXGetConfig(__glutDisplay, + vlist[i], GLX_VISUAL_CAVEAT_EXT, &rating); + if (rc != 0) { + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 1; + } else { + switch (rating) { + case GLX_SLOW_VISUAL_EXT: + mode->cap[SLOW] = 1; + mode->cap[CONFORMANT] = 1; + break; + +/* IRIX 5.3 for the R10K Indigo2 may have shipped without this + properly defined in /usr/include/GL/glxtokens.h */ +#ifndef GLX_NON_CONFORMANT_VISUAL_EXT +#define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D +#endif + + case GLX_NON_CONFORMANT_VISUAL_EXT: + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 0; + break; + case GLX_NONE_EXT: + default: /* XXX Hopefully this is a good default + assumption. */ + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 1; + break; + } + } + } else { + mode->cap[TRANSPARENT] = 0; + } +#else + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 1; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_info) + if (visual_info) { + int transparent; + +/* babcock@cs.montana.edu reported that DEC UNIX (OSF1) V4.0 + 564 for Alpha did not properly define + GLX_TRANSPARENT_TYPE_EXT in <GL/glx.h> despite claiming to + support GLX_EXT_visual_info. */ +#ifndef GLX_TRANSPARENT_TYPE_EXT +#define GLX_TRANSPARENT_TYPE_EXT 0x23 +#endif + + rc = glXGetConfig(__glutDisplay, + vlist[i], GLX_TRANSPARENT_TYPE_EXT, &transparent); + if (rc != 0) { + mode->cap[TRANSPARENT] = 0; + } else { + mode->cap[TRANSPARENT] = (transparent != GLX_NONE_EXT); + } + } else { + mode->cap[TRANSPARENT] = 0; + } +#else + mode->cap[TRANSPARENT] = 0; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample) + if (multisample) { + rc = glXGetConfig(__glutDisplay, + vlist[i], GLX_SAMPLES_SGIS, &mode->cap[SAMPLES]); + if (rc != 0) { + mode->cap[SAMPLES] = 0; + } + } else { + mode->cap[SAMPLES] = 0; + } +#else + mode->cap[SAMPLES] = 0; +#endif + } else { +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + if (fbconfig) { + GLXFBConfigSGIX fbc; + int fbconfigID, drawType, renderType; + + fbc = __glut_glXGetFBConfigFromVisualSGIX(__glutDisplay, vlist[i]); + if (fbc) { + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, fbc, + GLX_FBCONFIG_ID_SGIX, &fbconfigID); + if ((rc == 0) && (fbconfigID != None)) { + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, fbc, + GLX_DRAWABLE_TYPE_SGIX, &drawType); + if ((rc == 0) && (drawType & GLX_WINDOW_BIT_SGIX)) { + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, fbc, + GLX_RENDER_TYPE_SGIX, &renderType); + if ((rc == 0) && (renderType & GLX_RGBA_BIT_SGIX)) { + mode->fbc = fbc; + mode->valid = 1; /* Assume the best until + proven otherwise. */ + + assert(glxcap[0] == GLX_RGBA); + mode->cap[0] = 1; + + /* Start with "j = 1" to skip the GLX_RGBA attribute. */ + for (j = 1; j < NUM_GLXCAPS; j++) { + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, + fbc, glxcap[j], &mode->cap[j]); + if (rc != 0) { + mode->valid = 0; + } + } + + mode->cap[XVISUAL] = (int) vlist[i]->visualid; + mode->cap[XSTATICGRAY] = 0; + mode->cap[XGRAYSCALE] = 0; + mode->cap[XSTATICCOLOR] = 0; + mode->cap[XPSEUDOCOLOR] = 0; + mode->cap[XTRUECOLOR] = 0; + mode->cap[XDIRECTCOLOR] = 0; +#if defined(__cplusplus) || defined(c_plusplus) + switch (vlist[i]->c_class) { +#else + switch (vlist[i]->class) { +#endif + case StaticGray: + mode->cap[XSTATICGRAY] = 1; + break; + case GrayScale: + mode->cap[XGRAYSCALE] = 1; + break; + case StaticColor: + mode->cap[XSTATICCOLOR] = 1; + break; + case PseudoColor: + mode->cap[XPSEUDOCOLOR] = 1; + break; + case TrueColor: + mode->cap[XTRUECOLOR] = 1; + break; + case DirectColor: + mode->cap[XDIRECTCOLOR] = 1; + break; + } +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_rating) + if (visual_rating) { + int rating; + +/* babcock@cs.montana.edu reported that DEC UNIX (OSF1) V4.0 + 564 for Alpha did not properly define GLX_VISUAL_CAVEAT_EXT + in <GL/glx.h> despite claiming to support + GLX_EXT_visual_rating. */ +#ifndef GLX_VISUAL_CAVEAT_EXT +#define GLX_VISUAL_CAVEAT_EXT 0x20 +#endif + + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, + fbc, GLX_VISUAL_CAVEAT_EXT, &rating); + if (rc != 0) { + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 1; + } else { + switch (rating) { + case GLX_SLOW_VISUAL_EXT: + mode->cap[SLOW] = 1; + mode->cap[CONFORMANT] = 1; + break; + +/* IRIX 5.3 for the R10K Indigo2 may have shipped without this + properly defined in /usr/include/GL/glxtokens.h */ +#ifndef GLX_NON_CONFORMANT_VISUAL_EXT +#define GLX_NON_CONFORMANT_VISUAL_EXT 0x800D +#endif + + case GLX_NON_CONFORMANT_VISUAL_EXT: + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 0; + break; + case GLX_NONE_EXT: + default: /* XXX Hopefully this is a good + default assumption. */ + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 1; + break; + } + } + } else { + mode->cap[TRANSPARENT] = 0; + } +#else + mode->cap[SLOW] = 0; + mode->cap[CONFORMANT] = 1; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_info) + if (visual_info) { + int transparent; + +/* babcock@cs.montana.edu reported that DEC UNIX (OSF1) V4.0 + 564 for Alpha did not properly define + GLX_TRANSPARENT_TYPE_EXT in <GL/glx.h> despite claiming to + support GLX_EXT_visual_info. */ +#ifndef GLX_TRANSPARENT_TYPE_EXT +#define GLX_TRANSPARENT_TYPE_EXT 0x23 +#endif + + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, + fbc, GLX_TRANSPARENT_TYPE_EXT, &transparent); + if (rc != 0) { + mode->cap[TRANSPARENT] = 0; + } else { + mode->cap[TRANSPARENT] = (transparent != GLX_NONE_EXT); + } + } else { + mode->cap[TRANSPARENT] = 0; + } +#else + mode->cap[TRANSPARENT] = 0; +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample) + if (multisample) { + rc = __glut_glXGetFBConfigAttribSGIX(__glutDisplay, + fbc, GLX_SAMPLES_SGIS, &mode->cap[SAMPLES]); + if (rc != 0) { + mode->cap[SAMPLES] = 0; + } + } else { + mode->cap[SAMPLES] = 0; + } +#else + mode->cap[SAMPLES] = 0; +#endif + + } else { + /* Fbconfig is not RGBA; GLUT only uses RGBA + FBconfigs. */ + /* XXX Code could be exteneded to handle color + index FBconfigs, but seems a color index + window-renderable FBconfig would also be + advertised as an X visual. */ + mode->valid = 0; + } + } else { + /* Fbconfig does not support window rendering; + not a valid FBconfig for GLUT windows. */ + mode->valid = 0; + } + } else { + /* FBconfig ID is None (zero); not a valid + FBconfig. */ + mode->valid = 0; + } + } else { + /* FBconfig ID is None (zero); not a valid FBconfig. */ + mode->valid = 0; + } + } else { + /* No SGIX_fbconfig GLX sever implementation support. */ + mode->valid = 0; + } +#else + /* No SGIX_fbconfig GLX extension API support. */ + mode->valid = 0; +#endif + } + } + + free(vlist); + *nitems_return = n; + return fbmodes; +} + +static XVisualInfo * +findMatch(FrameBufferMode * fbmodes, int nfbmodes, + Criterion * criteria, int ncriteria, void **fbc) +{ + FrameBufferMode *found; + int *bestScore, *thisScore; + int i, j, numok, result = 0, worse, better; + + found = NULL; + numok = 1; /* "num" capability is indexed from 1, + not 0. */ + + /* XXX alloca canidate. */ + bestScore = (int *) malloc(ncriteria * sizeof(int)); + if (!bestScore) + __glutFatalError("out of memory."); + for (j = 0; j < ncriteria; j++) { + /* Very negative number. */ + bestScore[j] = -32768; + } + + /* XXX alloca canidate. */ + thisScore = (int *) malloc(ncriteria * sizeof(int)); + if (!thisScore) + __glutFatalError("out of memory."); + + for (i = 0; i < nfbmodes; i++) { + if (fbmodes[i].valid) { +#ifdef TEST +#if !defined(_WIN32) + if (verbose) + printf("Visual 0x%x\n", fbmodes[i].vi->visualid); +#endif +#endif + + worse = 0; + better = 0; + + for (j = 0; j < ncriteria; j++) { + int cap, cvalue, fbvalue; + + cap = criteria[j].capability; + cvalue = criteria[j].value; + if (cap == NUM) { + fbvalue = numok; + } else { + fbvalue = fbmodes[i].cap[cap]; + } +#ifdef TEST + if (verbose) + printf(" %s %s %d to %d\n", + capstr[cap], compstr[criteria[j].comparison], cvalue, fbvalue); +#endif + switch (criteria[j].comparison) { + case EQ: + result = cvalue == fbvalue; + thisScore[j] = 1; + break; + case NEQ: + result = cvalue != fbvalue; + thisScore[j] = 1; + break; + case LT: + result = fbvalue < cvalue; + thisScore[j] = fbvalue - cvalue; + break; + case GT: + result = fbvalue > cvalue; + thisScore[j] = fbvalue - cvalue; + break; + case LTE: + result = fbvalue <= cvalue; + thisScore[j] = fbvalue - cvalue; + break; + case GTE: + result = (fbvalue >= cvalue); + thisScore[j] = fbvalue - cvalue; + break; + case MIN: + result = fbvalue >= cvalue; + thisScore[j] = cvalue - fbvalue; + break; + } + +#ifdef TEST + if (verbose) + printf(" result=%d score=%d bestScore=%d\n", result, thisScore[j], bestScore[j]); +#endif + + if (result) { + if (better || thisScore[j] > bestScore[j]) { + better = 1; + } else if (thisScore[j] == bestScore[j]) { + /* Keep looking. */ + } else { + goto nextFBM; + } + } else { + if (cap == NUM) { + worse = 1; + } else { + goto nextFBM; + } + } + + } + + if (better && !worse) { + found = &fbmodes[i]; + for (j = 0; j < ncriteria; j++) { + bestScore[j] = thisScore[j]; + } + } + numok++; + + nextFBM:; + + } + } + free(bestScore); + free(thisScore); + if (found) { +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + *fbc = found->fbc; +#endif + return found->vi; + } else { + return NULL; + } +} + +static int +parseCriteria(char *word, Criterion * criterion, int *mask, + Bool * allowDoubleAsSingle) +{ + char *cstr, *vstr, *response; + int comparator, value = 0; + int rgb, rgba, acc, acca, count, i; + + cstr = strpbrk(word, "=><!~"); + if (cstr) { + switch (cstr[0]) { + case '=': + comparator = EQ; + vstr = &cstr[1]; + break; + case '~': + comparator = MIN; + vstr = &cstr[1]; + break; + case '>': + if (cstr[1] == '=') { + comparator = GTE; + vstr = &cstr[2]; + } else { + comparator = GT; + vstr = &cstr[1]; + } + break; + case '<': + if (cstr[1] == '=') { + comparator = LTE; + vstr = &cstr[2]; + } else { + comparator = LT; + vstr = &cstr[1]; + } + break; + case '!': + if (cstr[1] == '=') { + comparator = NEQ; + vstr = &cstr[2]; + } else { + return -1; + } + break; + default: + return -1; + } + value = (int) strtol(vstr, &response, 0); + if (response == vstr) { + /* Not a valid number. */ + return -1; + } + *cstr = '\0'; + } else { + comparator = NONE; + } + switch (word[0]) { + case 'a': + if (!strcmp(word, "alpha")) { + criterion[0].capability = ALPHA_SIZE; + if (comparator == NONE) { + criterion[0].comparison = GTE; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << RGBA); + *mask |= (1 << ALPHA_SIZE); + *mask |= (1 << RGBA_MODE); + return 1; + } + acca = !strcmp(word, "acca"); + acc = !strcmp(word, "acc"); + if (acc || acca) { + criterion[0].capability = ACCUM_RED_SIZE; + criterion[1].capability = ACCUM_GREEN_SIZE; + criterion[2].capability = ACCUM_BLUE_SIZE; + criterion[3].capability = ACCUM_ALPHA_SIZE; + if (acca) { + count = 4; + } else { + count = 3; + criterion[3].comparison = MIN; + criterion[3].value = 0; + } + if (comparator == NONE) { + comparator = GTE; + value = 8; + } + for (i = 0; i < count; i++) { + criterion[i].comparison = comparator; + criterion[i].value = value; + } + *mask |= (1 << ACCUM_RED_SIZE); + return 4; + } + if (!strcmp(word, "auxbufs")) { + criterion[0].capability = AUX_BUFFERS; + if (comparator == NONE) { + criterion[0].comparison = MIN; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << AUX_BUFFERS); + return 1; + } + return -1; + case 'b': + if (!strcmp(word, "blue")) { + criterion[0].capability = BLUE_SIZE; + if (comparator == NONE) { + criterion[0].comparison = GTE; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << RGBA); + *mask |= (1 << RGBA_MODE); + return 1; + } + if (!strcmp(word, "buffer")) { + criterion[0].capability = BUFFER_SIZE; + if (comparator == NONE) { + criterion[0].comparison = GTE; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + return 1; + } + return -1; + case 'c': + if (!strcmp(word, "conformant")) { + criterion[0].capability = CONFORMANT; + if (comparator == NONE) { + criterion[0].comparison = EQ; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << CONFORMANT); + return 1; + } + return -1; + case 'd': + if (!strcmp(word, "depth")) { + criterion[0].capability = DEPTH_SIZE; + if (comparator == NONE) { + criterion[0].comparison = GTE; + criterion[0].value = 12; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << DEPTH_SIZE); + return 1; + } + if (!strcmp(word, "double")) { + criterion[0].capability = DOUBLEBUFFER; + if (comparator == NONE) { + criterion[0].comparison = EQ; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << DOUBLEBUFFER); + return 1; + } + return -1; + case 'g': + if (!strcmp(word, "green")) { + criterion[0].capability = GREEN_SIZE; + if (comparator == NONE) { + criterion[0].comparison = GTE; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << RGBA); + *mask |= (1 << RGBA_MODE); + return 1; + } + return -1; + case 'i': + if (!strcmp(word, "index")) { + criterion[0].capability = RGBA; + criterion[0].comparison = EQ; + criterion[0].value = 0; + *mask |= (1 << RGBA); + *mask |= (1 << CI_MODE); + criterion[1].capability = BUFFER_SIZE; + if (comparator == NONE) { + criterion[1].comparison = GTE; + criterion[1].value = 1; + } else { + criterion[1].comparison = comparator; + criterion[1].value = value; + } + return 2; + } + return -1; + case 'l': + if (!strcmp(word, "luminance")) { + criterion[0].capability = RGBA; + criterion[0].comparison = EQ; + criterion[0].value = 1; + + criterion[1].capability = RED_SIZE; + if (comparator == NONE) { + criterion[1].comparison = GTE; + criterion[1].value = 1; + } else { + criterion[1].comparison = comparator; + criterion[1].value = value; + } + + criterion[2].capability = GREEN_SIZE; + criterion[2].comparison = EQ; + criterion[2].value = 0; + + criterion[3].capability = BLUE_SIZE; + criterion[3].comparison = EQ; + criterion[3].value = 0; + + *mask |= (1 << RGBA); + *mask |= (1 << RGBA_MODE); + *mask |= (1 << LUMINANCE_MODE); + return 4; + } + return -1; + case 'n': + if (!strcmp(word, "num")) { + criterion[0].capability = NUM; + if (comparator == NONE) { + return -1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + return 1; + } + } + return -1; + case 'r': + if (!strcmp(word, "red")) { + criterion[0].capability = RED_SIZE; + if (comparator == NONE) { + criterion[0].comparison = GTE; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << RGBA); + *mask |= (1 << RGBA_MODE); + return 1; + } + rgba = !strcmp(word, "rgba"); + rgb = !strcmp(word, "rgb"); + if (rgb || rgba) { + criterion[0].capability = RGBA; + criterion[0].comparison = EQ; + criterion[0].value = 1; + + criterion[1].capability = RED_SIZE; + criterion[2].capability = GREEN_SIZE; + criterion[3].capability = BLUE_SIZE; + criterion[4].capability = ALPHA_SIZE; + if (rgba) { + count = 5; + } else { + count = 4; + criterion[4].comparison = MIN; + criterion[4].value = 0; + } + if (comparator == NONE) { + comparator = GTE; + value = 1; + } + for (i = 1; i < count; i++) { + criterion[i].comparison = comparator; + criterion[i].value = value; + } + *mask |= (1 << RGBA); + *mask |= (1 << RGBA_MODE); + return 5; + } + return -1; + case 's': + if (!strcmp(word, "stencil")) { + criterion[0].capability = STENCIL_SIZE; + if (comparator == NONE) { + criterion[0].comparison = MIN; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << STENCIL_SIZE); + return 1; + } + if (!strcmp(word, "single")) { + criterion[0].capability = DOUBLEBUFFER; + if (comparator == NONE) { + criterion[0].comparison = EQ; + criterion[0].value = 0; + *allowDoubleAsSingle = True; + *mask |= (1 << DOUBLEBUFFER); + return 1; + } else { + return -1; + } + } + if (!strcmp(word, "stereo")) { + criterion[0].capability = STEREO; + if (comparator == NONE) { + criterion[0].comparison = EQ; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << STEREO); + return 1; + } + if (!strcmp(word, "samples")) { + criterion[0].capability = SAMPLES; + if (comparator == NONE) { + criterion[0].comparison = LTE; + criterion[0].value = 4; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << SAMPLES); + return 1; + } + if (!strcmp(word, "slow")) { + criterion[0].capability = SLOW; + if (comparator == NONE) { + /* Just "slow" means permit fast visuals, but accept + slow ones in preference. Presumably the slow ones + must be higher quality or something else desirable. */ + criterion[0].comparison = GTE; + criterion[0].value = 0; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + *mask |= (1 << SLOW); + return 1; + } + return -1; +#if defined(_WIN32) + case 'w': + if (!strcmp(word, "win32pfd")) { + criterion[0].capability = XVISUAL; + if (comparator == NONE) { + return -1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + return 1; + } + } + return -1; +#endif +#if !defined(_WIN32) + case 'x': + if (!strcmp(word, "xvisual")) { + if (comparator == NONE) { + return -1; + } else { + criterion[0].capability = XVISUAL; + criterion[0].comparison = comparator; + criterion[0].value = value; + /* Set everything in "mask" so that no default criteria + get used. Assume the program really wants the + xvisual specified. */ + *mask |= ~0; + return 1; + } + } + /* Be a little over-eager to fill in the comparison and + value so we won't have to replicate the code after each + string match. */ + if (comparator == NONE) { + criterion[0].comparison = EQ; + criterion[0].value = 1; + } else { + criterion[0].comparison = comparator; + criterion[0].value = value; + } + + if (!strcmp(word, "xstaticgray")) { + criterion[0].capability = XSTATICGRAY; + *mask |= (1 << XSTATICGRAY); /* Indicates _any_ visual + class selected. */ + return 1; + } + if (!strcmp(word, "xgrayscale")) { + criterion[0].capability = XGRAYSCALE; + *mask |= (1 << XSTATICGRAY); /* Indicates _any_ visual + class selected. */ + return 1; + } + if (!strcmp(word, "xstaticcolor")) { + criterion[0].capability = XSTATICCOLOR; + *mask |= (1 << XSTATICGRAY); /* Indicates _any_ visual + class selected. */ + return 1; + } + if (!strcmp(word, "xpseudocolor")) { + criterion[0].capability = XPSEUDOCOLOR; + *mask |= (1 << XSTATICGRAY); /* Indicates _any_ visual + class selected. */ + return 1; + } + if (!strcmp(word, "xtruecolor")) { + criterion[0].capability = XTRUECOLOR; + *mask |= (1 << XSTATICGRAY); /* Indicates _any_ visual + class selected. */ + return 1; + } + if (!strcmp(word, "xdirectcolor")) { + criterion[0].capability = XDIRECTCOLOR; + *mask |= (1 << XSTATICGRAY); /* Indicates _any_ visual + class selected. */ + return 1; + } + return -1; +#endif + default: + return -1; + } +} + +static Criterion * +parseModeString(char *mode, int *ncriteria, Bool * allowDoubleAsSingle, + Criterion * requiredCriteria, int nRequired, int requiredMask) +{ + Criterion *criteria = NULL; + int n, mask, parsed, i; + char *copy, *word; + + *allowDoubleAsSingle = False; + copy = __glutStrdup(mode); + /* Attempt to estimate how many criteria entries should be + needed. */ + n = 0; + word = strtok(copy, " \t"); + while (word) { + n++; + word = strtok(NULL, " \t"); + } + /* Overestimate by 4 times ("rgba" might add four criteria + entries) plus add in possible defaults plus space for + required criteria. */ + criteria = (Criterion *) malloc((4 * n + 30 + nRequired) * sizeof(Criterion)); + if (!criteria) { + __glutFatalError("out of memory."); + } + + /* Re-copy the copy of the mode string. */ + strcpy(copy, mode); + + /* First add the required criteria (these match at the + highest priority). Typically these will be used to force a + specific level (layer), transparency, and/or visual type. */ + mask = requiredMask; + for (i = 0; i < nRequired; i++) { + criteria[i] = requiredCriteria[i]; + } + n = nRequired; + + word = strtok(copy, " \t"); + while (word) { + parsed = parseCriteria(word, &criteria[n], &mask, allowDoubleAsSingle); + if (parsed >= 0) { + n += parsed; + } else { + __glutWarning("Unrecognized display string word: %s (ignoring)\n", word); + } + word = strtok(NULL, " \t"); + } + +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIS_multisample) + if (__glutIsSupportedByGLX("GLX_SGIS_multisample")) { + if (!(mask & (1 << SAMPLES))) { + criteria[n].capability = SAMPLES; + criteria[n].comparison = EQ; + criteria[n].value = 0; + n++; + } else { + /* Multisample visuals are marked nonconformant. If + multisampling was requeste and no conformant + preference was set, assume that we will settle for a + non-conformant visual to get multisampling. */ + if (!(mask & (1 << CONFORMANT))) { + criteria[n].capability = CONFORMANT; + criteria[n].comparison = MIN; + criteria[n].value = 0; + n++; + mask |= (1 << CONFORMANT); + } + } + } +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_info) + if (__glutIsSupportedByGLX("GLX_EXT_visual_info")) { + if (!(mask & (1 << TRANSPARENT))) { + criteria[n].capability = TRANSPARENT; + criteria[n].comparison = EQ; + criteria[n].value = 0; + n++; + } + } +#endif +#if defined(GLX_VERSION_1_1) && defined(GLX_EXT_visual_rating) + if (__glutIsSupportedByGLX("GLX_EXT_visual_rating")) { + if (!(mask & (1 << SLOW))) { + criteria[n].capability = SLOW; + criteria[n].comparison = EQ; + criteria[n].value = 0; + n++; + } + if (!(mask & (1 << CONFORMANT))) { + criteria[n].capability = CONFORMANT; + criteria[n].comparison = EQ; + criteria[n].value = 1; + n++; + } + } +#endif + if (!(mask & (1 << ACCUM_RED_SIZE))) { + criteria[n].capability = ACCUM_RED_SIZE; + criteria[n].comparison = MIN; + criteria[n].value = 0; + criteria[n + 1].capability = ACCUM_GREEN_SIZE; + criteria[n + 1].comparison = MIN; + criteria[n + 1].value = 0; + criteria[n + 2].capability = ACCUM_BLUE_SIZE; + criteria[n + 2].comparison = MIN; + criteria[n + 2].value = 0; + criteria[n + 3].capability = ACCUM_ALPHA_SIZE; + criteria[n + 3].comparison = MIN; + criteria[n + 3].value = 0; + n += 4; + } + if (!(mask & (1 << AUX_BUFFERS))) { + criteria[n].capability = AUX_BUFFERS; + criteria[n].comparison = MIN; + criteria[n].value = 0; + n++; + } + if (!(mask & (1 << RGBA))) { + criteria[n].capability = RGBA; + criteria[n].comparison = EQ; + criteria[n].value = 1; + criteria[n + 1].capability = RED_SIZE; + criteria[n + 1].comparison = GTE; + criteria[n + 1].value = 1; + criteria[n + 2].capability = GREEN_SIZE; + criteria[n + 2].comparison = GTE; + criteria[n + 2].value = 1; + criteria[n + 3].capability = BLUE_SIZE; + criteria[n + 3].comparison = GTE; + criteria[n + 3].value = 1; + criteria[n + 4].capability = ALPHA_SIZE; + criteria[n + 4].comparison = MIN; + criteria[n + 4].value = 0; + n += 5; + mask |= (1 << RGBA_MODE); + } +#if !defined(_WIN32) + if (!(mask & (1 << XSTATICGRAY))) { + assert(isMesaGLX != -1); + if ((mask & (1 << RGBA_MODE)) && !isMesaGLX) { + /* Normally, request an RGBA mode visual be TrueColor, + except in the case of Mesa where we trust Mesa (and + other code in GLUT) to handle any type of RGBA visual + reasonably. */ + if (mask & (1 << LUMINANCE_MODE)) { + /* If RGBA luminance was requested, actually go for + a StaticGray visual. */ + criteria[n].capability = XSTATICGRAY; + } else { + criteria[n].capability = XTRUECOLOR; + } + criteria[n].value = 1; + criteria[n].comparison = EQ; + + n++; + } + if (mask & (1 << CI_MODE)) { + criteria[n].capability = XPSEUDOCOLOR; + criteria[n].value = 1; + criteria[n].comparison = EQ; + n++; + } + } +#endif + if (!(mask & (1 << STEREO))) { + criteria[n].capability = STEREO; + criteria[n].comparison = EQ; + criteria[n].value = 0; + n++; + } + if (!(mask & (1 << DOUBLEBUFFER))) { + criteria[n].capability = DOUBLEBUFFER; + criteria[n].comparison = EQ; + criteria[n].value = 0; + *allowDoubleAsSingle = True; + n++; + } + if (!(mask & (1 << DEPTH_SIZE))) { + criteria[n].capability = DEPTH_SIZE; + criteria[n].comparison = MIN; + criteria[n].value = 0; + n++; + } + if (!(mask & (1 << STENCIL_SIZE))) { + criteria[n].capability = STENCIL_SIZE; + criteria[n].comparison = MIN; + criteria[n].value = 0; + n++; + } + if (!(mask & (1 << LEVEL))) { + criteria[n].capability = LEVEL; + criteria[n].comparison = EQ; + criteria[n].value = 0; + n++; + } + if (n) { + /* Since over-estimated the size needed; squeeze it down to + reality. */ + criteria = (Criterion *) realloc(criteria, n * sizeof(Criterion)); + if (!criteria) { + /* Should never happen since should be shrinking down! */ + __glutFatalError("out of memory."); + } + } else { + /* For portability, avoid "realloc(ptr,0)" call. */ + free(criteria); + criteria = NULL; + } + + free(copy); + *ncriteria = n; + return criteria; +} + +static FrameBufferMode *fbmodes = NULL; +static int nfbmodes = 0; + +static XVisualInfo * +getVisualInfoFromString(char *string, Bool * treatAsSingle, + Criterion * requiredCriteria, int nRequired, int requiredMask, void **fbc) +{ + Criterion *criteria; + XVisualInfo *visinfo; + Bool allowDoubleAsSingle; + int ncriteria, i; + + if (!fbmodes) { + fbmodes = loadVisuals(&nfbmodes); + } + criteria = parseModeString(string, &ncriteria, + &allowDoubleAsSingle, requiredCriteria, nRequired, requiredMask); + if (criteria == NULL) { + __glutWarning("failed to parse mode string"); + return NULL; + } +#ifdef TEST + printCriteria(criteria, ncriteria); +#endif + visinfo = findMatch(fbmodes, nfbmodes, criteria, ncriteria, fbc); + if (visinfo) { + *treatAsSingle = 0; + } else { + if (allowDoubleAsSingle) { + /* Rewrite criteria so that we now look for a double + buffered visual which will then get treated as a + single buffered visual. */ + for (i = 0; i < ncriteria; i++) { + if (criteria[i].capability == DOUBLEBUFFER + && criteria[i].comparison == EQ + && criteria[i].value == 0) { + criteria[i].value = 1; + } + } + visinfo = findMatch(fbmodes, nfbmodes, criteria, ncriteria, fbc); + if (visinfo) { + *treatAsSingle = 1; + } + } + } + free(criteria); + + if (visinfo) { +#if defined(_WIN32) + /* We could have a valid pixel format for drawing to a + bitmap. However, we don't want to draw into a bitmap, we + need one that can be used with a window, so make sure + that this is true. */ + if (!(visinfo->dwFlags & PFD_DRAW_TO_WINDOW)) + return NULL; +#endif + return visinfo; + } else { + return NULL; + } +} + +/* CENTRY */ +void GLUTAPIENTRY +glutInitDisplayString(const char *string) +{ +#ifdef _WIN32 + XHDC = GetDC(GetDesktopWindow()); +#endif + + __glutDetermineVisualFromString = getVisualInfoFromString; + if (__glutDisplayString) { + free(__glutDisplayString); + } + if (string) { + __glutDisplayString = __glutStrdup(string); + if (!__glutDisplayString) + __glutFatalError("out of memory."); + } else { + __glutDisplayString = NULL; + } +} +/* ENDCENTRY */ + +#ifdef TEST + +Criterion requiredWindowCriteria[] = +{ + {LEVEL, EQ, 0}, + {TRANSPARENT, EQ, 0} +}; +int numRequiredWindowCriteria = sizeof(requiredWindowCriteria) / sizeof(Criterion); +int requiredWindowCriteriaMask = (1 << LEVEL) | (1 << TRANSPARENT); + +Criterion requiredOverlayCriteria[] = +{ + {LEVEL, EQ, 1}, + {TRANSPARENT, EQ, 1}, + {XPSEUDOCOLOR, EQ, 1}, + {RGBA, EQ, 0}, + {BUFFER_SIZE, GTE, 1} +}; +int numRequiredOverlayCriteria = sizeof(requiredOverlayCriteria) / sizeof(Criterion); +int requiredOverlayCriteriaMask = +(1 << LEVEL) | (1 << TRANSPARENT) | (1 << XSTATICGRAY) | (1 << RGBA) | (1 << CI_MODE); + +int +main(int argc, char **argv) +{ + Display *dpy; + XVisualInfo *vinfo; + Bool treatAsSingle; + char *str, buffer[1024]; + int tty = isatty(fileno(stdin)); + int overlay = 0, showconfig = 0; +#if defined(GLX_VERSION_1_1) && defined(GLX_SGIX_fbconfig) + GLXFBConfigSGIX fbc; +#else + void *fbc; +#endif + +#if !defined(_WIN32) + dpy = XOpenDisplay(NULL); + if (dpy == NULL) { + printf("Could not connect to X server\n"); + exit(1); + } + __glutDisplay = dpy; + __glutScreen = DefaultScreen(__glutDisplay); +#endif + while (!feof(stdin)) { + if (tty) + printf("dstr> "); + str = fgets(buffer, 1023, stdin); + if (str) { + printf("\n"); + if (!strcmp("v", str)) { + verbose = 1 - verbose; + printf("verbose = %d\n\n", verbose); + } else if (!strcmp("s", str)) { + showconfig = 1 - showconfig; + printf("showconfig = %d\n\n", showconfig); + } else if (!strcmp("o", str)) { + overlay = 1 - overlay; + printf("overlay = %d\n\n", overlay); + } else { + if (overlay) { + vinfo = getVisualInfoFromString(str, &treatAsSingle, + requiredOverlayCriteria, numRequiredOverlayCriteria, requiredOverlayCriteriaMask, (void**) &fbc); + } else { + vinfo = getVisualInfoFromString(str, &treatAsSingle, + requiredWindowCriteria, numRequiredWindowCriteria, requiredWindowCriteriaMask, (void**) &fbc); + } + if (vinfo) { + printf("\n"); + if (!tty) + printf("Display string: %s", str); +#ifdef _WIN32 + printf("Visual = 0x%x\n", 0); +#else + printf("Visual = 0x%x%s\n", vinfo->visualid, fbc ? " (needs FBC)" : ""); +#endif + if (treatAsSingle) { + printf("Treat as SINGLE.\n"); + } + if (showconfig) { + int glxCapable, bufferSize, level, renderType, doubleBuffer, + stereo, auxBuffers, redSize, greenSize, blueSize, + alphaSize, depthSize, stencilSize, acRedSize, acGreenSize, + acBlueSize, acAlphaSize; + + glXGetConfig(dpy, vinfo, GLX_BUFFER_SIZE, &bufferSize); + glXGetConfig(dpy, vinfo, GLX_LEVEL, &level); + glXGetConfig(dpy, vinfo, GLX_RGBA, &renderType); + glXGetConfig(dpy, vinfo, GLX_DOUBLEBUFFER, &doubleBuffer); + glXGetConfig(dpy, vinfo, GLX_STEREO, &stereo); + glXGetConfig(dpy, vinfo, GLX_AUX_BUFFERS, &auxBuffers); + glXGetConfig(dpy, vinfo, GLX_RED_SIZE, &redSize); + glXGetConfig(dpy, vinfo, GLX_GREEN_SIZE, &greenSize); + glXGetConfig(dpy, vinfo, GLX_BLUE_SIZE, &blueSize); + glXGetConfig(dpy, vinfo, GLX_ALPHA_SIZE, &alphaSize); + glXGetConfig(dpy, vinfo, GLX_DEPTH_SIZE, &depthSize); + glXGetConfig(dpy, vinfo, GLX_STENCIL_SIZE, &stencilSize); + glXGetConfig(dpy, vinfo, GLX_ACCUM_RED_SIZE, &acRedSize); + glXGetConfig(dpy, vinfo, GLX_ACCUM_GREEN_SIZE, &acGreenSize); + glXGetConfig(dpy, vinfo, GLX_ACCUM_BLUE_SIZE, &acBlueSize); + glXGetConfig(dpy, vinfo, GLX_ACCUM_ALPHA_SIZE, &acAlphaSize); + printf("RGBA = (%d, %d, %d, %d)\n", redSize, greenSize, blueSize, alphaSize); + printf("acc = (%d, %d, %d, %d)\n", acRedSize, acGreenSize, acBlueSize, acAlphaSize); + printf("db = %d\n", doubleBuffer); + printf("str = %d\n", stereo); + printf("aux = %d\n", auxBuffers); + printf("lvl = %d\n", level); + printf("buf = %d\n", bufferSize); + printf("rgba = %d\n", renderType); + printf("z = %d\n", depthSize); + printf("s = %d\n", stencilSize); + } + } else { + printf("\n"); + printf("No match.\n"); + } + printf("\n"); + } + } + } + printf("\n"); + return 0; +} +#endif |