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-rw-r--r--src/glut/glx/glut_dstr.c1626
1 files changed, 0 insertions, 1626 deletions
diff --git a/src/glut/glx/glut_dstr.c b/src/glut/glx/glut_dstr.c
deleted file mode 100644
index 319930c..0000000
--- a/src/glut/glx/glut_dstr.c
+++ /dev/null
@@ -1,1626 +0,0 @@
-
-/* 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) || defined(GLX_ARB_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) || defined(GLX_ARB_multisample))
- multisample = __glutIsSupportedByGLX("GLX_SGIS_multisample") ||
- __glutIsSupportedByGLX("GLX_ARB_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;
- free(vlist);
- 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) || defined(GLX_ARB_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) || defined(GLX_ARB_multisample))
- if (__glutIsSupportedByGLX("GLX_SGIS_multisample") ||
- __glutIsSupportedByGLX("GLX_ARB_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;
- void *fbc;
-
-#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, &fbc);
- } else {
- vinfo = getVisualInfoFromString(str, &treatAsSingle,
- requiredWindowCriteria, numRequiredWindowCriteria, requiredWindowCriteriaMask, &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
generated by cgit v1.1 at 2024-10-30 09:43:52 +0000