Author: krejzi Date: Wed Aug 20 13:37:49 2014 New Revision: 2999 Log: Refresh glxgears.c and glxinfo.c from upstream git repository.
Added: trunk/MesaLib/MesaLib-10.2.6-add_xdemos-2.patch Added: trunk/MesaLib/MesaLib-10.2.6-add_xdemos-2.patch ============================================================================== --- /dev/null 00:00:00 1970 (empty, because file is newly added) +++ trunk/MesaLib/MesaLib-10.2.6-add_xdemos-2.patch Wed Aug 20 13:37:49 2014 (r2999) @@ -0,0 +1,2170 @@ +Submitted By: Armin K. <krejzi at email dot com> +Date: 2014-08-20 +Initial Package Version: 9.2.0 +Upstream Status: Not applicable. +Origin: Self. +Description: This patch adds two OpenGL demos, glxinfo and glxgears. + +--- a/xdemos/glxgears.1 1970-01-01 01:00:00.000000000 +0100 ++++ b/xdemos/glxgears.1 2014-08-20 22:34:59.522166724 +0200 +@@ -0,0 +1,30 @@ ++.TH glxgears 1 "2006-11-29" ++.SH NAME ++glxgears \- ``gears'' demo for GLX ++.SH SYNOPSIS ++.B glxgears ++.RI [ options ] ++.SH DESCRIPTION ++The \fIglxgears\fP program is a port of the ``gears'' demo to GLX. It displays ++a set of rotating gears and prints out the frame rate at regular intervals. It ++has become quite popular as basic benchmarking tool. ++.SH OPTIONS ++.TP 8 ++.B \-display \fIdisplay\fP ++Specify which X display to run on. ++.TP 8 ++.B \-info ++Display OpenGL renderer information. ++.TP 8 ++.B \-stereo ++Use a stereo enabled GLX visual. ++.TP 8 ++.B \-fullscreen ++Run in fullscreen mode. ++.SH AUTHOR ++glxgears was written by Brian Paul <[email protected]>. ++.PP ++This manual page was written by Thierry Reding <[email protected]>, for the ++Debian project (but may be used by others). ++ ++ +--- a/xdemos/glxgears.c 1970-01-01 01:00:00.000000000 +0100 ++++ b/xdemos/glxgears.c 2014-08-20 22:35:49.000000000 +0200 +@@ -0,0 +1,809 @@ ++/* ++ * Copyright (C) 1999-2001 Brian Paul All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the "Software"), ++ * to deal in the Software without restriction, including without limitation ++ * the rights to use, copy, modify, merge, publish, distribute, sublicense, ++ * and/or sell copies of the Software, and to permit persons to whom the ++ * Software is furnished to do so, subject to the following conditions: ++ * ++ * The above copyright notice and this permission notice shall be included ++ * in all copies or substantial portions of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS ++ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ++ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN ++ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN ++ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ++ */ ++ ++/* ++ * This is a port of the infamous "gears" demo to straight GLX (i.e. no GLUT) ++ * Port by Brian Paul 23 March 2001 ++ * ++ * See usage() below for command line options. ++ */ ++ ++ ++#include <math.h> ++#include <stdlib.h> ++#include <stdio.h> ++#include <string.h> ++#include <X11/Xlib.h> ++#include <X11/keysym.h> ++#include <GL/gl.h> ++#include <GL/glx.h> ++#include <GL/glxext.h> ++ ++#ifndef GLX_MESA_swap_control ++#define GLX_MESA_swap_control 1 ++typedef int (*PFNGLXGETSWAPINTERVALMESAPROC)(void); ++#endif ++ ++ ++#define BENCHMARK ++ ++#ifdef BENCHMARK ++ ++/* XXX this probably isn't very portable */ ++ ++#include <sys/time.h> ++#include <unistd.h> ++ ++/* return current time (in seconds) */ ++static double ++current_time(void) ++{ ++ struct timeval tv; ++#ifdef __VMS ++ (void) gettimeofday(&tv, NULL ); ++#else ++ struct timezone tz; ++ (void) gettimeofday(&tv, &tz); ++#endif ++ return (double) tv.tv_sec + tv.tv_usec / 1000000.0; ++} ++ ++#else /*BENCHMARK*/ ++ ++/* dummy */ ++static double ++current_time(void) ++{ ++ /* update this function for other platforms! */ ++ static double t = 0.0; ++ static int warn = 1; ++ if (warn) { ++ fprintf(stderr, "Warning: current_time() not implemented!!\n"); ++ warn = 0; ++ } ++ return t += 1.0; ++} ++ ++#endif /*BENCHMARK*/ ++ ++ ++ ++#ifndef M_PI ++#define M_PI 3.14159265 ++#endif ++ ++ ++/** Event handler results: */ ++#define NOP 0 ++#define EXIT 1 ++#define DRAW 2 ++ ++static GLfloat view_rotx = 20.0, view_roty = 30.0, view_rotz = 0.0; ++static GLint gear1, gear2, gear3; ++static GLfloat angle = 0.0; ++ ++static GLboolean fullscreen = GL_FALSE; /* Create a single fullscreen window */ ++static GLboolean stereo = GL_FALSE; /* Enable stereo. */ ++static GLint samples = 0; /* Choose visual with at least N samples. */ ++static GLboolean animate = GL_TRUE; /* Animation */ ++static GLfloat eyesep = 5.0; /* Eye separation. */ ++static GLfloat fix_point = 40.0; /* Fixation point distance. */ ++static GLfloat left, right, asp; /* Stereo frustum params. */ ++ ++ ++/* ++ * ++ * Draw a gear wheel. You'll probably want to call this function when ++ * building a display list since we do a lot of trig here. ++ * ++ * Input: inner_radius - radius of hole at center ++ * outer_radius - radius at center of teeth ++ * width - width of gear ++ * teeth - number of teeth ++ * tooth_depth - depth of tooth ++ */ ++static void ++gear(GLfloat inner_radius, GLfloat outer_radius, GLfloat width, ++ GLint teeth, GLfloat tooth_depth) ++{ ++ GLint i; ++ GLfloat r0, r1, r2; ++ GLfloat angle, da; ++ GLfloat u, v, len; ++ ++ r0 = inner_radius; ++ r1 = outer_radius - tooth_depth / 2.0; ++ r2 = outer_radius + tooth_depth / 2.0; ++ ++ da = 2.0 * M_PI / teeth / 4.0; ++ ++ glShadeModel(GL_FLAT); ++ ++ glNormal3f(0.0, 0.0, 1.0); ++ ++ /* draw front face */ ++ glBegin(GL_QUAD_STRIP); ++ for (i = 0; i <= teeth; i++) { ++ angle = i * 2.0 * M_PI / teeth; ++ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); ++ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); ++ if (i < teeth) { ++ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); ++ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), ++ width * 0.5); ++ } ++ } ++ glEnd(); ++ ++ /* draw front sides of teeth */ ++ glBegin(GL_QUADS); ++ da = 2.0 * M_PI / teeth / 4.0; ++ for (i = 0; i < teeth; i++) { ++ angle = i * 2.0 * M_PI / teeth; ++ ++ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); ++ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5); ++ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), ++ width * 0.5); ++ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), ++ width * 0.5); ++ } ++ glEnd(); ++ ++ glNormal3f(0.0, 0.0, -1.0); ++ ++ /* draw back face */ ++ glBegin(GL_QUAD_STRIP); ++ for (i = 0; i <= teeth; i++) { ++ angle = i * 2.0 * M_PI / teeth; ++ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); ++ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); ++ if (i < teeth) { ++ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), ++ -width * 0.5); ++ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); ++ } ++ } ++ glEnd(); ++ ++ /* draw back sides of teeth */ ++ glBegin(GL_QUADS); ++ da = 2.0 * M_PI / teeth / 4.0; ++ for (i = 0; i < teeth; i++) { ++ angle = i * 2.0 * M_PI / teeth; ++ ++ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), ++ -width * 0.5); ++ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), ++ -width * 0.5); ++ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5); ++ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); ++ } ++ glEnd(); ++ ++ /* draw outward faces of teeth */ ++ glBegin(GL_QUAD_STRIP); ++ for (i = 0; i < teeth; i++) { ++ angle = i * 2.0 * M_PI / teeth; ++ ++ glVertex3f(r1 * cos(angle), r1 * sin(angle), width * 0.5); ++ glVertex3f(r1 * cos(angle), r1 * sin(angle), -width * 0.5); ++ u = r2 * cos(angle + da) - r1 * cos(angle); ++ v = r2 * sin(angle + da) - r1 * sin(angle); ++ len = sqrt(u * u + v * v); ++ u /= len; ++ v /= len; ++ glNormal3f(v, -u, 0.0); ++ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), width * 0.5); ++ glVertex3f(r2 * cos(angle + da), r2 * sin(angle + da), -width * 0.5); ++ glNormal3f(cos(angle), sin(angle), 0.0); ++ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), ++ width * 0.5); ++ glVertex3f(r2 * cos(angle + 2 * da), r2 * sin(angle + 2 * da), ++ -width * 0.5); ++ u = r1 * cos(angle + 3 * da) - r2 * cos(angle + 2 * da); ++ v = r1 * sin(angle + 3 * da) - r2 * sin(angle + 2 * da); ++ glNormal3f(v, -u, 0.0); ++ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), ++ width * 0.5); ++ glVertex3f(r1 * cos(angle + 3 * da), r1 * sin(angle + 3 * da), ++ -width * 0.5); ++ glNormal3f(cos(angle), sin(angle), 0.0); ++ } ++ ++ glVertex3f(r1 * cos(0), r1 * sin(0), width * 0.5); ++ glVertex3f(r1 * cos(0), r1 * sin(0), -width * 0.5); ++ ++ glEnd(); ++ ++ glShadeModel(GL_SMOOTH); ++ ++ /* draw inside radius cylinder */ ++ glBegin(GL_QUAD_STRIP); ++ for (i = 0; i <= teeth; i++) { ++ angle = i * 2.0 * M_PI / teeth; ++ glNormal3f(-cos(angle), -sin(angle), 0.0); ++ glVertex3f(r0 * cos(angle), r0 * sin(angle), -width * 0.5); ++ glVertex3f(r0 * cos(angle), r0 * sin(angle), width * 0.5); ++ } ++ glEnd(); ++} ++ ++ ++static void ++draw(void) ++{ ++ glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); ++ ++ glPushMatrix(); ++ glRotatef(view_rotx, 1.0, 0.0, 0.0); ++ glRotatef(view_roty, 0.0, 1.0, 0.0); ++ glRotatef(view_rotz, 0.0, 0.0, 1.0); ++ ++ glPushMatrix(); ++ glTranslatef(-3.0, -2.0, 0.0); ++ glRotatef(angle, 0.0, 0.0, 1.0); ++ glCallList(gear1); ++ glPopMatrix(); ++ ++ glPushMatrix(); ++ glTranslatef(3.1, -2.0, 0.0); ++ glRotatef(-2.0 * angle - 9.0, 0.0, 0.0, 1.0); ++ glCallList(gear2); ++ glPopMatrix(); ++ ++ glPushMatrix(); ++ glTranslatef(-3.1, 4.2, 0.0); ++ glRotatef(-2.0 * angle - 25.0, 0.0, 0.0, 1.0); ++ glCallList(gear3); ++ glPopMatrix(); ++ ++ glPopMatrix(); ++} ++ ++ ++static void ++draw_gears(void) ++{ ++ if (stereo) { ++ /* First left eye. */ ++ glDrawBuffer(GL_BACK_LEFT); ++ ++ glMatrixMode(GL_PROJECTION); ++ glLoadIdentity(); ++ glFrustum(left, right, -asp, asp, 5.0, 60.0); ++ ++ glMatrixMode(GL_MODELVIEW); ++ ++ glPushMatrix(); ++ glTranslated(+0.5 * eyesep, 0.0, 0.0); ++ draw(); ++ glPopMatrix(); ++ ++ /* Then right eye. */ ++ glDrawBuffer(GL_BACK_RIGHT); ++ ++ glMatrixMode(GL_PROJECTION); ++ glLoadIdentity(); ++ glFrustum(-right, -left, -asp, asp, 5.0, 60.0); ++ ++ glMatrixMode(GL_MODELVIEW); ++ ++ glPushMatrix(); ++ glTranslated(-0.5 * eyesep, 0.0, 0.0); ++ draw(); ++ glPopMatrix(); ++ } ++ else { ++ draw(); ++ } ++} ++ ++ ++/** Draw single frame, do SwapBuffers, compute FPS */ ++static void ++draw_frame(Display *dpy, Window win) ++{ ++ static int frames = 0; ++ static double tRot0 = -1.0, tRate0 = -1.0; ++ double dt, t = current_time(); ++ ++ if (tRot0 < 0.0) ++ tRot0 = t; ++ dt = t - tRot0; ++ tRot0 = t; ++ ++ if (animate) { ++ /* advance rotation for next frame */ ++ angle += 70.0 * dt; /* 70 degrees per second */ ++ if (angle > 3600.0) ++ angle -= 3600.0; ++ } ++ ++ draw_gears(); ++ glXSwapBuffers(dpy, win); ++ ++ frames++; ++ ++ if (tRate0 < 0.0) ++ tRate0 = t; ++ if (t - tRate0 >= 5.0) { ++ GLfloat seconds = t - tRate0; ++ GLfloat fps = frames / seconds; ++ printf("%d frames in %3.1f seconds = %6.3f FPS\n", frames, seconds, ++ fps); ++ fflush(stdout); ++ tRate0 = t; ++ frames = 0; ++ } ++} ++ ++ ++/* new window size or exposure */ ++static void ++reshape(int width, int height) ++{ ++ glViewport(0, 0, (GLint) width, (GLint) height); ++ ++ if (stereo) { ++ GLfloat w; ++ ++ asp = (GLfloat) height / (GLfloat) width; ++ w = fix_point * (1.0 / 5.0); ++ ++ left = -5.0 * ((w - 0.5 * eyesep) / fix_point); ++ right = 5.0 * ((w + 0.5 * eyesep) / fix_point); ++ } ++ else { ++ GLfloat h = (GLfloat) height / (GLfloat) width; ++ ++ glMatrixMode(GL_PROJECTION); ++ glLoadIdentity(); ++ glFrustum(-1.0, 1.0, -h, h, 5.0, 60.0); ++ } ++ ++ glMatrixMode(GL_MODELVIEW); ++ glLoadIdentity(); ++ glTranslatef(0.0, 0.0, -40.0); ++} ++ ++ ++ ++static void ++init(void) ++{ ++ static GLfloat pos[4] = { 5.0, 5.0, 10.0, 0.0 }; ++ static GLfloat red[4] = { 0.8, 0.1, 0.0, 1.0 }; ++ static GLfloat green[4] = { 0.0, 0.8, 0.2, 1.0 }; ++ static GLfloat blue[4] = { 0.2, 0.2, 1.0, 1.0 }; ++ ++ glLightfv(GL_LIGHT0, GL_POSITION, pos); ++ glEnable(GL_CULL_FACE); ++ glEnable(GL_LIGHTING); ++ glEnable(GL_LIGHT0); ++ glEnable(GL_DEPTH_TEST); ++ ++ /* make the gears */ ++ gear1 = glGenLists(1); ++ glNewList(gear1, GL_COMPILE); ++ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, red); ++ gear(1.0, 4.0, 1.0, 20, 0.7); ++ glEndList(); ++ ++ gear2 = glGenLists(1); ++ glNewList(gear2, GL_COMPILE); ++ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, green); ++ gear(0.5, 2.0, 2.0, 10, 0.7); ++ glEndList(); ++ ++ gear3 = glGenLists(1); ++ glNewList(gear3, GL_COMPILE); ++ glMaterialfv(GL_FRONT, GL_AMBIENT_AND_DIFFUSE, blue); ++ gear(1.3, 2.0, 0.5, 10, 0.7); ++ glEndList(); ++ ++ glEnable(GL_NORMALIZE); ++} ++ ++ ++/** ++ * Remove window border/decorations. ++ */ ++static void ++no_border( Display *dpy, Window w) ++{ ++ static const unsigned MWM_HINTS_DECORATIONS = (1 << 1); ++ static const int PROP_MOTIF_WM_HINTS_ELEMENTS = 5; ++ ++ typedef struct ++ { ++ unsigned long flags; ++ unsigned long functions; ++ unsigned long decorations; ++ long inputMode; ++ unsigned long status; ++ } PropMotifWmHints; ++ ++ PropMotifWmHints motif_hints; ++ Atom prop, proptype; ++ unsigned long flags = 0; ++ ++ /* setup the property */ ++ motif_hints.flags = MWM_HINTS_DECORATIONS; ++ motif_hints.decorations = flags; ++ ++ /* get the atom for the property */ ++ prop = XInternAtom( dpy, "_MOTIF_WM_HINTS", True ); ++ if (!prop) { ++ /* something went wrong! */ ++ return; ++ } ++ ++ /* not sure this is correct, seems to work, XA_WM_HINTS didn't work */ ++ proptype = prop; ++ ++ XChangeProperty( dpy, w, /* display, window */ ++ prop, proptype, /* property, type */ ++ 32, /* format: 32-bit datums */ ++ PropModeReplace, /* mode */ ++ (unsigned char *) &motif_hints, /* data */ ++ PROP_MOTIF_WM_HINTS_ELEMENTS /* nelements */ ++ ); ++} ++ ++ ++/* ++ * Create an RGB, double-buffered window. ++ * Return the window and context handles. ++ */ ++static void ++make_window( Display *dpy, const char *name, ++ int x, int y, int width, int height, ++ Window *winRet, GLXContext *ctxRet, VisualID *visRet) ++{ ++ int attribs[64]; ++ int i = 0; ++ ++ int scrnum; ++ XSetWindowAttributes attr; ++ unsigned long mask; ++ Window root; ++ Window win; ++ GLXContext ctx; ++ XVisualInfo *visinfo; ++ ++ /* Singleton attributes. */ ++ attribs[i++] = GLX_RGBA; ++ attribs[i++] = GLX_DOUBLEBUFFER; ++ if (stereo) ++ attribs[i++] = GLX_STEREO; ++ ++ /* Key/value attributes. */ ++ attribs[i++] = GLX_RED_SIZE; ++ attribs[i++] = 1; ++ attribs[i++] = GLX_GREEN_SIZE; ++ attribs[i++] = 1; ++ attribs[i++] = GLX_BLUE_SIZE; ++ attribs[i++] = 1; ++ attribs[i++] = GLX_DEPTH_SIZE; ++ attribs[i++] = 1; ++ if (samples > 0) { ++ attribs[i++] = GLX_SAMPLE_BUFFERS; ++ attribs[i++] = 1; ++ attribs[i++] = GLX_SAMPLES; ++ attribs[i++] = samples; ++ } ++ ++ attribs[i++] = None; ++ ++ scrnum = DefaultScreen( dpy ); ++ root = RootWindow( dpy, scrnum ); ++ ++ visinfo = glXChooseVisual(dpy, scrnum, attribs); ++ if (!visinfo) { ++ printf("Error: couldn't get an RGB, Double-buffered"); ++ if (stereo) ++ printf(", Stereo"); ++ if (samples > 0) ++ printf(", Multisample"); ++ printf(" visual\n"); ++ exit(1); ++ } ++ ++ /* window attributes */ ++ attr.background_pixel = 0; ++ attr.border_pixel = 0; ++ attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone); ++ attr.event_mask = StructureNotifyMask | ExposureMask | KeyPressMask; ++ /* XXX this is a bad way to get a borderless window! */ ++ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; ++ ++ win = XCreateWindow( dpy, root, x, y, width, height, ++ 0, visinfo->depth, InputOutput, ++ visinfo->visual, mask, &attr ); ++ ++ if (fullscreen) ++ no_border(dpy, win); ++ ++ /* set hints and properties */ ++ { ++ XSizeHints sizehints; ++ sizehints.x = x; ++ sizehints.y = y; ++ sizehints.width = width; ++ sizehints.height = height; ++ sizehints.flags = USSize | USPosition; ++ XSetNormalHints(dpy, win, &sizehints); ++ XSetStandardProperties(dpy, win, name, name, ++ None, (char **)NULL, 0, &sizehints); ++ } ++ ++ ctx = glXCreateContext( dpy, visinfo, NULL, True ); ++ if (!ctx) { ++ printf("Error: glXCreateContext failed\n"); ++ exit(1); ++ } ++ ++ *winRet = win; ++ *ctxRet = ctx; ++ *visRet = visinfo->visualid; ++ ++ XFree(visinfo); ++} ++ ++ ++/** ++ * Determine whether or not a GLX extension is supported. ++ */ ++static int ++is_glx_extension_supported(Display *dpy, const char *query) ++{ ++ const int scrnum = DefaultScreen(dpy); ++ const char *glx_extensions = NULL; ++ const size_t len = strlen(query); ++ const char *ptr; ++ ++ if (glx_extensions == NULL) { ++ glx_extensions = glXQueryExtensionsString(dpy, scrnum); ++ } ++ ++ ptr = strstr(glx_extensions, query); ++ return ((ptr != NULL) && ((ptr[len] == ' ') || (ptr[len] == '\0'))); ++} ++ ++ ++/** ++ * Attempt to determine whether or not the display is synched to vblank. ++ */ ++static void ++query_vsync(Display *dpy, GLXDrawable drawable) ++{ ++ int interval = 0; ++ ++#if defined(GLX_EXT_swap_control) ++ if (is_glx_extension_supported(dpy, "GLX_EXT_swap_control")) { ++ unsigned int tmp = -1; ++ glXQueryDrawable(dpy, drawable, GLX_SWAP_INTERVAL_EXT, &tmp); ++ interval = tmp; ++ } else ++#endif ++ if (is_glx_extension_supported(dpy, "GLX_MESA_swap_control")) { ++ PFNGLXGETSWAPINTERVALMESAPROC pglXGetSwapIntervalMESA = ++ (PFNGLXGETSWAPINTERVALMESAPROC) ++ glXGetProcAddressARB((const GLubyte *) "glXGetSwapIntervalMESA"); ++ ++ interval = (*pglXGetSwapIntervalMESA)(); ++ } else if (is_glx_extension_supported(dpy, "GLX_SGI_swap_control")) { ++ /* The default swap interval with this extension is 1. Assume that it ++ * is set to the default. ++ * ++ * Many Mesa-based drivers default to 0, but all of these drivers also ++ * export GLX_MESA_swap_control. In that case, this branch will never ++ * be taken, and the correct result should be reported. ++ */ ++ interval = 1; ++ } ++ ++ ++ if (interval > 0) { ++ printf("Running synchronized to the vertical refresh. The framerate should be\n"); ++ if (interval == 1) { ++ printf("approximately the same as the monitor refresh rate.\n"); ++ } else if (interval > 1) { ++ printf("approximately 1/%d the monitor refresh rate.\n", ++ interval); ++ } ++ } ++} ++ ++/** ++ * Handle one X event. ++ * \return NOP, EXIT or DRAW ++ */ ++static int ++handle_event(Display *dpy, Window win, XEvent *event) ++{ ++ (void) dpy; ++ (void) win; ++ ++ switch (event->type) { ++ case Expose: ++ return DRAW; ++ case ConfigureNotify: ++ reshape(event->xconfigure.width, event->xconfigure.height); ++ break; ++ case KeyPress: ++ { ++ char buffer[10]; ++ int code; ++ code = XLookupKeysym(&event->xkey, 0); ++ if (code == XK_Left) { ++ view_roty += 5.0; ++ } ++ else if (code == XK_Right) { ++ view_roty -= 5.0; ++ } ++ else if (code == XK_Up) { ++ view_rotx += 5.0; ++ } ++ else if (code == XK_Down) { ++ view_rotx -= 5.0; ++ } ++ else { ++ XLookupString(&event->xkey, buffer, sizeof(buffer), ++ NULL, NULL); ++ if (buffer[0] == 27) { ++ /* escape */ ++ return EXIT; ++ } ++ else if (buffer[0] == 'a' || buffer[0] == 'A') { ++ animate = !animate; ++ } ++ } ++ return DRAW; ++ } ++ } ++ return NOP; ++} ++ ++ ++static void ++event_loop(Display *dpy, Window win) ++{ ++ while (1) { ++ int op; ++ while (!animate || XPending(dpy) > 0) { ++ XEvent event; ++ XNextEvent(dpy, &event); ++ op = handle_event(dpy, win, &event); ++ if (op == EXIT) ++ return; ++ else if (op == DRAW) ++ break; ++ } ++ ++ draw_frame(dpy, win); ++ } ++} ++ ++ ++static void ++usage(void) ++{ ++ printf("Usage:\n"); ++ printf(" -display <displayname> set the display to run on\n"); ++ printf(" -stereo run in stereo mode\n"); ++ printf(" -samples N run in multisample mode with at least N samples\n"); ++ printf(" -fullscreen run in fullscreen mode\n"); ++ printf(" -info display OpenGL renderer info\n"); ++ printf(" -geometry WxH+X+Y window geometry\n"); ++} ++ ++ ++int ++main(int argc, char *argv[]) ++{ ++ unsigned int winWidth = 300, winHeight = 300; ++ int x = 0, y = 0; ++ Display *dpy; ++ Window win; ++ GLXContext ctx; ++ char *dpyName = NULL; ++ GLboolean printInfo = GL_FALSE; ++ VisualID visId; ++ int i; ++ ++ for (i = 1; i < argc; i++) { ++ if (strcmp(argv[i], "-display") == 0) { ++ dpyName = argv[i+1]; ++ i++; ++ } ++ else if (strcmp(argv[i], "-info") == 0) { ++ printInfo = GL_TRUE; ++ } ++ else if (strcmp(argv[i], "-stereo") == 0) { ++ stereo = GL_TRUE; ++ } ++ else if (i < argc-1 && strcmp(argv[i], "-samples") == 0) { ++ samples = strtod(argv[i+1], NULL ); ++ ++i; ++ } ++ else if (strcmp(argv[i], "-fullscreen") == 0) { ++ fullscreen = GL_TRUE; ++ } ++ else if (i < argc-1 && strcmp(argv[i], "-geometry") == 0) { ++ XParseGeometry(argv[i+1], &x, &y, &winWidth, &winHeight); ++ i++; ++ } ++ else { ++ usage(); ++ return -1; ++ } ++ } ++ ++ dpy = XOpenDisplay(dpyName); ++ if (!dpy) { ++ printf("Error: couldn't open display %s\n", ++ dpyName ? dpyName : getenv("DISPLAY")); ++ return -1; ++ } ++ ++ if (fullscreen) { ++ int scrnum = DefaultScreen(dpy); ++ ++ x = 0; y = 0; ++ winWidth = DisplayWidth(dpy, scrnum); ++ winHeight = DisplayHeight(dpy, scrnum); ++ } ++ ++ make_window(dpy, "glxgears", x, y, winWidth, winHeight, &win, &ctx, &visId); ++ XMapWindow(dpy, win); ++ glXMakeCurrent(dpy, win, ctx); ++ query_vsync(dpy, win); ++ ++ if (printInfo) { ++ printf("GL_RENDERER = %s\n", (char *) glGetString(GL_RENDERER)); ++ printf("GL_VERSION = %s\n", (char *) glGetString(GL_VERSION)); ++ printf("GL_VENDOR = %s\n", (char *) glGetString(GL_VENDOR)); ++ printf("GL_EXTENSIONS = %s\n", (char *) glGetString(GL_EXTENSIONS)); ++ printf("VisualID %d, 0x%x\n", (int) visId, (int) visId); ++ } ++ ++ init(); ++ ++ /* Set initial projection/viewing transformation. ++ * We can't be sure we'll get a ConfigureNotify event when the window ++ * first appears. ++ */ ++ reshape(winWidth, winHeight); ++ ++ event_loop(dpy, win); ++ ++ glDeleteLists(gear1, 1); ++ glDeleteLists(gear2, 1); ++ glDeleteLists(gear3, 1); ++ glXMakeCurrent(dpy, None, NULL); ++ glXDestroyContext(dpy, ctx); ++ XDestroyWindow(dpy, win); ++ XCloseDisplay(dpy); ++ ++ return 0; ++} +--- a/xdemos/glxinfo.1 1970-01-01 01:00:00.000000000 +0100 ++++ b/xdemos/glxinfo.1 2014-08-20 22:34:59.522166724 +0200 +@@ -0,0 +1,42 @@ ++.TH glxinfo 1 "2006-11-29" ++.SH NAME ++glxinfo \- show information about the GLX implementation ++.SH SYNOPSIS ++.B glxinfo ++.RI [ options ] ++.SH DESCRIPTION ++The \fIglxinfo\fP program shows information about the OpenGL and GLX ++implementations running on a given X display. ++.PP ++The information includes details about the server- and client-side GLX ++implementation, the OpenGL and GLU implementations as well as a list ++of available GLX visuals. ++.SH OPTIONS ++.TP 8 ++.B \-v ++Print visuals info in verbose form. ++.TP 8 ++.B \-t ++Print verbose table. ++.TP 8 ++.B \-display \fIdisplay\fP ++Specify the X display to interrogate. ++.TP 8 ++.B \-h ++Print usage information. ++.TP 8 ++.B \-i ++Force an indirect rendering context. ++.TP 8 ++.B \-b ++Find the "best" visual and print its number. ++.TP 8 ++.B \-l ++Print interesting OpenGL limits. ++.SH AUTHOR ++glxinfo was written by Brian Paul <[email protected]>. ++.PP ++This manual page was written by Thierry Reding <[email protected]>, for the ++Debian project (but may be used by others). ++ ++ +--- a/xdemos/glxinfo.c 1970-01-01 01:00:00.000000000 +0100 ++++ b/xdemos/glxinfo.c 2014-08-20 22:35:41.000000000 +0200 +@@ -0,0 +1,1225 @@ ++/* ++ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved. ++ * ++ * Permission is hereby granted, free of charge, to any person obtaining a ++ * copy of this software and associated documentation files (the "Software"), ++ * to deal in the Software without restriction, including without limitation ++ * the rights to use, copy, modify, merge, publish, distribute, sublicense, ++ * and/or sell copies of the Software, and to permit persons to whom the ++ * Software is furnished to do so, subject to the following conditions: ++ * ++ * The above copyright notice and this permission notice shall be included ++ * in all copies or substantial portions of the Software. ++ * ++ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS ++ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, ++ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL ++ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN ++ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN ++ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. ++ */ ++ ++ ++/* ++ * This program is a work-alike of the IRIX glxinfo program. ++ * Command line options: ++ * -t print wide table ++ * -v print verbose information ++ * -display DisplayName specify the X display to interogate ++ * -b only print ID of "best" visual on screen 0 ++ * -i use indirect rendering connection only ++ * -l print interesting OpenGL limits (added 5 Sep 2002) ++ * ++ * Brian Paul 26 January 2000 ++ */ ++ ++#define GLX_GLXEXT_PROTOTYPES ++#define GL_GLEXT_PROTOTYPES ++ ++#include <assert.h> ++#include <X11/Xlib.h> ++#include <X11/Xutil.h> ++#include <GL/gl.h> ++#include <GL/glx.h> ++#include <stdio.h> ++#include <string.h> ++#include <stdlib.h> ++#include "glinfo_common.h" ++ ++ ++#ifndef GLX_NONE_EXT ++#define GLX_NONE_EXT 0x8000 ++#endif ++ ++#ifndef GLX_TRANSPARENT_RGB ++#define GLX_TRANSPARENT_RGB 0x8008 ++#endif ++ ++#ifndef GLX_RGBA_BIT ++#define GLX_RGBA_BIT 0x00000001 ++#endif ++ ++#ifndef GLX_COLOR_INDEX_BIT ++#define GLX_COLOR_INDEX_BIT 0x00000002 ++#endif ++ ++ ++struct visual_attribs ++{ ++ /* X visual attribs */ ++ int id; /* May be visual ID or FBConfig ID */ ++ int vis_id; /* Visual ID. Only set for FBConfigs */ ++ int klass; ++ int depth; ++ int redMask, greenMask, blueMask; ++ int colormapSize; ++ int bitsPerRGB; ++ ++ /* GL visual attribs */ ++ int supportsGL; ++ int drawableType; ++ int transparentType; ++ int transparentRedValue; ++ int transparentGreenValue; ++ int transparentBlueValue; ++ int transparentAlphaValue; ++ int transparentIndexValue; ++ int bufferSize; ++ int level; ++ int render_type; ++ int doubleBuffer; ++ int stereo; ++ int auxBuffers; ++ int redSize, greenSize, blueSize, alphaSize; ++ int depthSize; ++ int stencilSize; ++ int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize; ++ int numSamples, numMultisample; ++ int visualCaveat; ++ int floatComponents; ++ int packedfloatComponents; ++ int srgb; ++}; ++ ++ ++/** ++ * Version of the context that was created ++ * ++ * 20, 21, 30, 31, 32, etc. ++ */ ++static int version; ++ ++/** ++ * GL Error checking/warning. ++ */ ++static void ++CheckError(int line) ++{ ++ int n; ++ n = glGetError(); ++ if (n) ++ printf("Warning: GL error 0x%x at line %d\n", n, line); ++} ++ ++ ++static void ++print_display_info(Display *dpy) ++{ ++ printf("name of display: %s\n", DisplayString(dpy)); ++} ++ ++ ++/** ++ * Choose a simple FB Config. ++ */ ++static GLXFBConfig * ++choose_fb_config(Display *dpy, int scrnum) ++{ ++ int fbAttribSingle[] = { ++ GLX_RENDER_TYPE, GLX_RGBA_BIT, ++ GLX_RED_SIZE, 1, ++ GLX_GREEN_SIZE, 1, ++ GLX_BLUE_SIZE, 1, ++ GLX_DOUBLEBUFFER, False, ++ None }; ++ int fbAttribDouble[] = { ++ GLX_RENDER_TYPE, GLX_RGBA_BIT, ++ GLX_RED_SIZE, 1, ++ GLX_GREEN_SIZE, 1, ++ GLX_BLUE_SIZE, 1, ++ GLX_DOUBLEBUFFER, True, ++ None }; ++ GLXFBConfig *configs; ++ int nConfigs; ++ ++ configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs); ++ if (!configs) ++ configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs); ++ ++ return configs; ++} ++ ++ ++static Bool CreateContextErrorFlag; ++ ++static int ++create_context_error_handler(Display *dpy, XErrorEvent *error) ++{ ++ (void) dpy; ++ (void) error->error_code; ++ CreateContextErrorFlag = True; ++ return 0; ++} ++ ++ ++/** ++ * Try to create a GLX context of the given version with flags/options. ++ * Note: A version number is required in order to get a core profile ++ * (at least w/ NVIDIA). ++ */ ++static GLXContext ++create_context_flags(Display *dpy, GLXFBConfig fbconfig, int major, int minor, ++ int contextFlags, int profileMask, Bool direct) ++{ ++#ifdef GLX_ARB_create_context ++ static PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB_func = 0; ++ static Bool firstCall = True; ++ int (*old_handler)(Display *, XErrorEvent *); ++ GLXContext context; ++ int attribs[20]; ++ int n = 0; ++ ++ if (firstCall) { ++ /* See if we have GLX_ARB_create_context_profile and get pointer to ++ * glXCreateContextAttribsARB() function. ++ */ ++ const char *glxExt = glXQueryExtensionsString(dpy, 0); ++ if (extension_supported("GLX_ARB_create_context_profile", glxExt)) { ++ glXCreateContextAttribsARB_func = (PFNGLXCREATECONTEXTATTRIBSARBPROC) ++ glXGetProcAddress((const GLubyte *) "glXCreateContextAttribsARB"); ++ } ++ firstCall = False; ++ } ++ ++ if (!glXCreateContextAttribsARB_func) ++ return 0; ++ ++ /* setup attribute array */ ++ if (major) { ++ attribs[n++] = GLX_CONTEXT_MAJOR_VERSION_ARB; ++ attribs[n++] = major; ++ attribs[n++] = GLX_CONTEXT_MINOR_VERSION_ARB; ++ attribs[n++] = minor; ++ } ++ if (contextFlags) { ++ attribs[n++] = GLX_CONTEXT_FLAGS_ARB; ++ attribs[n++] = contextFlags; ++ } ++#ifdef GLX_ARB_create_context_profile ++ if (profileMask) { ++ attribs[n++] = GLX_CONTEXT_PROFILE_MASK_ARB; ++ attribs[n++] = profileMask; ++ } ++#endif ++ attribs[n++] = 0; ++ ++ /* install X error handler */ ++ old_handler = XSetErrorHandler(create_context_error_handler); ++ CreateContextErrorFlag = False; ++ ++ /* try creating context */ ++ context = glXCreateContextAttribsARB_func(dpy, ++ fbconfig, ++ 0, /* share_context */ ++ direct, ++ attribs); ++ ++ /* restore error handler */ ++ XSetErrorHandler(old_handler); ++ ++ if (CreateContextErrorFlag) ++ context = 0; ++ ++ if (context && direct) { ++ if (!glXIsDirect(dpy, context)) { ++ glXDestroyContext(dpy, context); ++ return 0; ++ } ++ } ++ ++ return context; ++#else ++ return 0; ++#endif ++} ++ ++ ++/** ++ * Try to create a GLX context of the newest version. ++ */ ++static GLXContext ++create_context_with_config(Display *dpy, GLXFBConfig config, ++ Bool coreProfile, Bool es2Profile, Bool direct) ++{ ++ GLXContext ctx = 0; ++ ++ if (coreProfile) { ++ /* Try to create a core profile, starting with the newest version of ++ * GL that we're aware of. If we don't specify the version ++ */ ++ int i; ++ for (i = NUM_GL_VERSIONS - 2; i > 0 ; i--) { ++ /* don't bother below GL 3.0 */ ++ if (gl_versions[i].major == 3 && ++ gl_versions[i].minor == 0) ++ return 0; ++ ctx = create_context_flags(dpy, config, ++ gl_versions[i].major, ++ gl_versions[i].minor, ++ 0x0, ++ GLX_CONTEXT_CORE_PROFILE_BIT_ARB, ++ direct); ++ if (ctx) ++ return ctx; ++ } ++ /* couldn't get core profile context */ ++ return 0; ++ } ++ ++ if (es2Profile) { ++#ifdef GLX_CONTEXT_ES2_PROFILE_BIT_EXT ++ if (extension_supported("GLX_EXT_create_context_es2_profile", ++ glXQueryExtensionsString(dpy, 0))) { ++ ctx = create_context_flags(dpy, config, 2, 0, 0x0, ++ GLX_CONTEXT_ES2_PROFILE_BIT_EXT, ++ direct); ++ return ctx; ++ } ++#endif ++ return 0; ++ } ++ ++ /* GLX should return a context of the latest GL version that supports ++ * the full profile. ++ */ ++ ctx = glXCreateNewContext(dpy, config, GLX_RGBA_TYPE, NULL, direct); ++ ++ /* make sure the context is direct, if direct was requested */ ++ if (ctx && direct) { ++ if (!glXIsDirect(dpy, ctx)) { ++ glXDestroyContext(dpy, ctx); ++ return 0; ++ } ++ } ++ ++ return ctx; ++} ++ ++ ++static XVisualInfo * ++choose_xvisinfo(Display *dpy, int scrnum) ++{ ++ int attribSingle[] = { ++ GLX_RGBA, ++ GLX_RED_SIZE, 1, ++ GLX_GREEN_SIZE, 1, ++ GLX_BLUE_SIZE, 1, ++ None }; ++ int attribDouble[] = { ++ GLX_RGBA, ++ GLX_RED_SIZE, 1, ++ GLX_GREEN_SIZE, 1, ++ GLX_BLUE_SIZE, 1, ++ GLX_DOUBLEBUFFER, ++ None }; ++ XVisualInfo *visinfo; ++ ++ visinfo = glXChooseVisual(dpy, scrnum, attribSingle); ++ if (!visinfo) ++ visinfo = glXChooseVisual(dpy, scrnum, attribDouble); ++ ++ return visinfo; ++} ++ ++ ++static Bool ++print_screen_info(Display *dpy, int scrnum, Bool allowDirect, ++ Bool coreProfile, Bool es2Profile, Bool limits, ++ Bool singleLine, Bool coreWorked) ++{ ++ Window win; ++ XSetWindowAttributes attr; ++ unsigned long mask; ++ Window root; ++ GLXContext ctx = NULL; ++ XVisualInfo *visinfo; ++ int width = 100, height = 100; ++ GLXFBConfig *fbconfigs; ++ const char *oglstring = coreProfile ? "OpenGL core profile" : ++ es2Profile ? "OpenGL ES profile" : "OpenGL"; ++ ++ root = RootWindow(dpy, scrnum); ++ ++ /* ++ * Choose FBConfig or XVisualInfo and create a context. ++ */ ++ fbconfigs = choose_fb_config(dpy, scrnum); ++ if (fbconfigs) { ++ ctx = create_context_with_config(dpy, fbconfigs[0], ++ coreProfile, es2Profile, allowDirect); ++ if (!ctx && allowDirect && !coreProfile) { ++ /* try indirect */ ++ ctx = create_context_with_config(dpy, fbconfigs[0], ++ coreProfile, es2Profile, False); ++ } ++ ++ visinfo = glXGetVisualFromFBConfig(dpy, fbconfigs[0]); ++ XFree(fbconfigs); ++ } ++ else if (!coreProfile && !es2Profile) { ++ visinfo = choose_xvisinfo(dpy, scrnum); ++ if (visinfo) ++ ctx = glXCreateContext(dpy, visinfo, NULL, allowDirect); ++ } else ++ visinfo = NULL; ++ ++ if (!visinfo && !coreProfile && !es2Profile) { ++ fprintf(stderr, "Error: couldn't find RGB GLX visual or fbconfig\n"); ++ return False; ++ } ++ ++ if (!ctx) { ++ if (!coreProfile && !es2Profile) ++ fprintf(stderr, "Error: glXCreateContext failed\n"); ++ XFree(visinfo); ++ return False; ++ } ++ ++ /* ++ * Create a window so that we can just bind the context. ++ */ ++ attr.background_pixel = 0; ++ attr.border_pixel = 0; ++ attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone); ++ attr.event_mask = StructureNotifyMask | ExposureMask; ++ mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask; ++ win = XCreateWindow(dpy, root, 0, 0, width, height, ++ 0, visinfo->depth, InputOutput, ++ visinfo->visual, mask, &attr); ++ ++ if (glXMakeCurrent(dpy, win, ctx)) { ++ const char *serverVendor = glXQueryServerString(dpy, scrnum, GLX_VENDOR); ++ const char *serverVersion = glXQueryServerString(dpy, scrnum, GLX_VERSION); ++ const char *serverExtensions = glXQueryServerString(dpy, scrnum, GLX_EXTENSIONS); ++ const char *clientVendor = glXGetClientString(dpy, GLX_VENDOR); ++ const char *clientVersion = glXGetClientString(dpy, GLX_VERSION); ++ const char *clientExtensions = glXGetClientString(dpy, GLX_EXTENSIONS); ++ const char *glxExtensions = glXQueryExtensionsString(dpy, scrnum); ++ const char *glVendor = (const char *) glGetString(GL_VENDOR); ++ const char *glRenderer = (const char *) glGetString(GL_RENDERER); ++ const char *glVersion = (const char *) glGetString(GL_VERSION); ++ char *glExtensions; ++ int glxVersionMajor; ++ int glxVersionMinor; ++ char *displayName = NULL; ++ char *colon = NULL, *period = NULL; ++ struct ext_functions extfuncs; ++ ++ CheckError(__LINE__); ++ ++ /* Get some ext functions */ ++ extfuncs.GetProgramivARB = (GETPROGRAMIVARBPROC) ++ glXGetProcAddressARB((GLubyte *) "glGetProgramivARB"); ++ extfuncs.GetStringi = (GETSTRINGIPROC) ++ glXGetProcAddressARB((GLubyte *) "glGetStringi"); ++ extfuncs.GetConvolutionParameteriv = (GETCONVOLUTIONPARAMETERIVPROC) ++ glXGetProcAddressARB((GLubyte *) "glGetConvolutionParameteriv"); ++ ++ /* Get list of GL extensions */ ++ if (coreProfile) { ++ glExtensions = build_core_profile_extension_list(&extfuncs); ++ } ++ else { ++ glExtensions = (char *) glGetString(GL_EXTENSIONS); ++ } ++ ++ CheckError(__LINE__); ++ ++ if (! glXQueryVersion( dpy, & glxVersionMajor, & glxVersionMinor )) { ++ fprintf(stderr, "Error: glXQueryVersion failed\n"); ++ exit(1); ++ } ++ ++ if (!coreWorked) { ++ /* Strip the screen number from the display name, if present. */ ++ if (!(displayName = (char *) malloc(strlen(DisplayString(dpy)) + 1))) { ++ fprintf(stderr, "Error: malloc() failed\n"); ++ exit(1); ++ } ++ strcpy(displayName, DisplayString(dpy)); ++ colon = strrchr(displayName, ':'); ++ if (colon) { ++ period = strchr(colon, '.'); ++ if (period) ++ *period = '\0'; ++ } ++ ++ printf("display: %s screen: %d\n", displayName, scrnum); ++ free(displayName); ++ printf("direct rendering: "); ++ if (glXIsDirect(dpy, ctx)) { ++ printf("Yes\n"); ++ } ++ else { ++ if (!allowDirect) { ++ printf("No (-i specified)\n"); ++ } ++ else if (getenv("LIBGL_ALWAYS_INDIRECT")) { ++ printf("No (LIBGL_ALWAYS_INDIRECT set)\n"); ++ } ++ else { ++ printf("No (If you want to find out why, try setting " ++ "LIBGL_DEBUG=verbose)\n"); ++ } ++ } ++ printf("server glx vendor string: %s\n", serverVendor); ++ printf("server glx version string: %s\n", serverVersion); ++ printf("server glx extensions:\n"); ++ print_extension_list(serverExtensions, singleLine); ++ printf("client glx vendor string: %s\n", clientVendor); ++ printf("client glx version string: %s\n", clientVersion); ++ printf("client glx extensions:\n"); ++ print_extension_list(clientExtensions, singleLine); ++ printf("GLX version: %u.%u\n", glxVersionMajor, glxVersionMinor); ++ printf("GLX extensions:\n"); ++ print_extension_list(glxExtensions, singleLine); ++ printf("OpenGL vendor string: %s\n", glVendor); ++ printf("OpenGL renderer string: %s\n", glRenderer); ++ } else ++ printf("\n"); ++ ++ printf("%s version string: %s\n", oglstring, glVersion); ++ ++ version = (glVersion[0] - '0') * 10 + (glVersion[2] - '0'); ++ ++ CheckError(__LINE__); ++ ++#ifdef GL_VERSION_2_0 ++ if (version >= 20) { ++ char *v = (char *) glGetString(GL_SHADING_LANGUAGE_VERSION); ++ printf("%s shading language version string: %s\n", oglstring, v); ++ } ++#endif ++ CheckError(__LINE__); ++#ifdef GL_VERSION_3_0 ++ if (version >= 30 && !es2Profile) { ++ GLint flags; ++ glGetIntegerv(GL_CONTEXT_FLAGS, &flags); ++ printf("%s context flags: %s\n", oglstring, context_flags_string(flags)); ++ } ++#endif ++ CheckError(__LINE__); ++#ifdef GL_VERSION_3_2 ++ if (version >= 32 && !es2Profile) { ++ GLint mask; ++ glGetIntegerv(GL_CONTEXT_PROFILE_MASK, &mask); ++ printf("%s profile mask: %s\n", oglstring, profile_mask_string(mask)); ++ } ++#endif ++ ++ CheckError(__LINE__); ++ ++ printf("%s extensions:\n", oglstring); ++ print_extension_list(glExtensions, singleLine); ++ ++ CheckError(__LINE__); ++ ++ if (limits) { ++ print_limits(glExtensions, oglstring, version, &extfuncs); ++ } ++ ++ if (coreProfile) ++ free(glExtensions); ++ } ++ else { ++ fprintf(stderr, "Error: glXMakeCurrent failed\n"); ++ } ++ ++ glXDestroyContext(dpy, ctx); ++ XFree(visinfo); ++ XDestroyWindow(dpy, win); ++ XSync(dpy, 1); ++ return True; ++} ++ ++ ++static const char * ++visual_class_name(int cls) ++{ ++ switch (cls) { ++ case StaticColor: ++ return "StaticColor"; ++ case PseudoColor: ++ return "PseudoColor"; ++ case StaticGray: ++ return "StaticGray"; ++ case GrayScale: ++ return "GrayScale"; ++ case TrueColor: ++ return "TrueColor"; ++ case DirectColor: ++ return "DirectColor"; ++ default: ++ return ""; ++ } ++} ++ ++static const char * ++visual_drawable_type(int type) ++{ ++ const static struct bit_info bits[] = { ++ { GLX_WINDOW_BIT, "window" }, ++ { GLX_PIXMAP_BIT, "pixmap" }, ++ { GLX_PBUFFER_BIT, "pbuffer" } ++ }; ++ ++ return bitmask_to_string(bits, ELEMENTS(bits), type); ++} ++ ++static const char * ++visual_class_abbrev(int cls) ++{ ++ switch (cls) { ++ case StaticColor: ++ return "sc"; ++ case PseudoColor: ++ return "pc"; ++ case StaticGray: ++ return "sg"; ++ case GrayScale: ++ return "gs"; ++ case TrueColor: ++ return "tc"; ++ case DirectColor: ++ return "dc"; ++ default: ++ return ""; ++ } ++} ++ ++static const char * ++visual_render_type_name(int type) ++{ ++ switch (type) { ++ case GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT: ++ return "ufloat"; ++ case GLX_RGBA_FLOAT_BIT_ARB: ++ return "float"; ++ case GLX_RGBA_BIT: ++ return "rgba"; ++ case GLX_COLOR_INDEX_BIT: ++ return "ci"; ++ case GLX_RGBA_BIT | GLX_COLOR_INDEX_BIT: ++ return "rgba|ci"; ++ default: ++ return ""; ++ } ++} ++ ++static const char * ++caveat_string(int caveat) ++{ ++ switch (caveat) { ++#ifdef GLX_EXT_visual_rating ++ case GLX_SLOW_VISUAL_EXT: ++ return "Slow"; ++ case GLX_NON_CONFORMANT_VISUAL_EXT: ++ return "Ncon"; ++ case GLX_NONE_EXT: ++ /* fall-through */ ++#endif ++ case 0: ++ /* fall-through */ ++ default: ++ return "None"; ++ } ++} ++ ++ ++static Bool ++get_visual_attribs(Display *dpy, XVisualInfo *vInfo, ++ struct visual_attribs *attribs) ++{ ++ const char *ext = glXQueryExtensionsString(dpy, vInfo->screen); ++ int rgba; ++ ++ memset(attribs, 0, sizeof(struct visual_attribs)); ++ ++ attribs->id = vInfo->visualid; ++#if defined(__cplusplus) || defined(c_plusplus) ++ attribs->klass = vInfo->c_class; ++#else ++ attribs->klass = vInfo->class; ++#endif ++ attribs->depth = vInfo->depth; ++ attribs->redMask = vInfo->red_mask; ++ attribs->greenMask = vInfo->green_mask; ++ attribs->blueMask = vInfo->blue_mask; ++ attribs->colormapSize = vInfo->colormap_size; ++ attribs->bitsPerRGB = vInfo->bits_per_rgb; ++ ++ if (glXGetConfig(dpy, vInfo, GLX_USE_GL, &attribs->supportsGL) != 0 || ++ !attribs->supportsGL) ++ return False; ++ glXGetConfig(dpy, vInfo, GLX_BUFFER_SIZE, &attribs->bufferSize); ++ glXGetConfig(dpy, vInfo, GLX_LEVEL, &attribs->level); ++ glXGetConfig(dpy, vInfo, GLX_RGBA, &rgba); ++ if (rgba) ++ attribs->render_type = GLX_RGBA_BIT; ++ else ++ attribs->render_type = GLX_COLOR_INDEX_BIT; ++ ++ glXGetConfig(dpy, vInfo, GLX_DRAWABLE_TYPE, &attribs->drawableType); ++ glXGetConfig(dpy, vInfo, GLX_DOUBLEBUFFER, &attribs->doubleBuffer); ++ glXGetConfig(dpy, vInfo, GLX_STEREO, &attribs->stereo); ++ glXGetConfig(dpy, vInfo, GLX_AUX_BUFFERS, &attribs->auxBuffers); ++ glXGetConfig(dpy, vInfo, GLX_RED_SIZE, &attribs->redSize); ++ glXGetConfig(dpy, vInfo, GLX_GREEN_SIZE, &attribs->greenSize); ++ glXGetConfig(dpy, vInfo, GLX_BLUE_SIZE, &attribs->blueSize); ++ glXGetConfig(dpy, vInfo, GLX_ALPHA_SIZE, &attribs->alphaSize); ++ glXGetConfig(dpy, vInfo, GLX_DEPTH_SIZE, &attribs->depthSize); ++ glXGetConfig(dpy, vInfo, GLX_STENCIL_SIZE, &attribs->stencilSize); ++ glXGetConfig(dpy, vInfo, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize); ++ glXGetConfig(dpy, vInfo, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize); ++ glXGetConfig(dpy, vInfo, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize); ++ glXGetConfig(dpy, vInfo, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize); ++ ++ /* get transparent pixel stuff */ ++ glXGetConfig(dpy, vInfo,GLX_TRANSPARENT_TYPE, &attribs->transparentType); ++ if (attribs->transparentType == GLX_TRANSPARENT_RGB) { ++ glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue); ++ glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue); ++ glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue); ++ glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue); ++ } ++ else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) { ++ glXGetConfig(dpy, vInfo, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue); ++ } ++ ++ /* multisample attribs */ ++#ifdef GLX_ARB_multisample ++ if (ext && strstr(ext, "GLX_ARB_multisample")) { ++ glXGetConfig(dpy, vInfo, GLX_SAMPLE_BUFFERS_ARB, &attribs->numMultisample); ++ glXGetConfig(dpy, vInfo, GLX_SAMPLES_ARB, &attribs->numSamples); ++ } ++#endif ++ else { ++ attribs->numSamples = 0; ++ attribs->numMultisample = 0; ++ } ++ ++#if defined(GLX_EXT_visual_rating) ++ if (ext && strstr(ext, "GLX_EXT_visual_rating")) { ++ glXGetConfig(dpy, vInfo, GLX_VISUAL_CAVEAT_EXT, &attribs->visualCaveat); ++ } ++ else { ++ attribs->visualCaveat = GLX_NONE_EXT; ++ } ++#else ++ attribs->visualCaveat = 0; ++#endif ++ ++#if defined(GLX_EXT_framebuffer_sRGB) ++ if (ext && strstr(ext, "GLX_EXT_framebuffer_sRGB")) { ++ glXGetConfig(dpy, vInfo, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, &attribs->srgb); ++ } ++#endif ++ ++ return True; ++} ++ ++#ifdef GLX_VERSION_1_3 ++ ++static int ++glx_token_to_visual_class(int visual_type) ++{ ++ switch (visual_type) { ++ case GLX_TRUE_COLOR: ++ return TrueColor; ++ case GLX_DIRECT_COLOR: ++ return DirectColor; ++ case GLX_PSEUDO_COLOR: ++ return PseudoColor; ++ case GLX_STATIC_COLOR: ++ return StaticColor; ++ case GLX_GRAY_SCALE: ++ return GrayScale; ++ case GLX_STATIC_GRAY: ++ return StaticGray; ++ case GLX_NONE: ++ default: ++ return None; ++ } ++} ++ ++static Bool ++get_fbconfig_attribs(Display *dpy, GLXFBConfig fbconfig, ++ struct visual_attribs *attribs) ++{ ++ const char *ext = glXQueryExtensionsString(dpy, 0); ++ int visual_type; ++ XVisualInfo *vInfo; ++ ++ memset(attribs, 0, sizeof(struct visual_attribs)); ++ ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_FBCONFIG_ID, &attribs->id); ++ ++ vInfo = glXGetVisualFromFBConfig(dpy, fbconfig); ++ ++ if (vInfo != NULL) { ++ attribs->vis_id = vInfo->visualid; ++ attribs->depth = vInfo->depth; ++ attribs->redMask = vInfo->red_mask; ++ attribs->greenMask = vInfo->green_mask; ++ attribs->blueMask = vInfo->blue_mask; ++ attribs->colormapSize = vInfo->colormap_size; ++ attribs->bitsPerRGB = vInfo->bits_per_rgb; ++ } ++ ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_X_VISUAL_TYPE, &visual_type); ++ attribs->klass = glx_token_to_visual_class(visual_type); ++ ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_DRAWABLE_TYPE, &attribs->drawableType); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_BUFFER_SIZE, &attribs->bufferSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_LEVEL, &attribs->level); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_RENDER_TYPE, &attribs->render_type); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_DOUBLEBUFFER, &attribs->doubleBuffer); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_STEREO, &attribs->stereo); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_AUX_BUFFERS, &attribs->auxBuffers); ++ ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_RED_SIZE, &attribs->redSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_GREEN_SIZE, &attribs->greenSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_BLUE_SIZE, &attribs->blueSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ALPHA_SIZE, &attribs->alphaSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_DEPTH_SIZE, &attribs->depthSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_STENCIL_SIZE, &attribs->stencilSize); ++ ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_RED_SIZE, &attribs->accumRedSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_GREEN_SIZE, &attribs->accumGreenSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_BLUE_SIZE, &attribs->accumBlueSize); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_ACCUM_ALPHA_SIZE, &attribs->accumAlphaSize); ++ ++ /* get transparent pixel stuff */ ++ glXGetFBConfigAttrib(dpy, fbconfig,GLX_TRANSPARENT_TYPE, &attribs->transparentType); ++ if (attribs->transparentType == GLX_TRANSPARENT_RGB) { ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_RED_VALUE, &attribs->transparentRedValue); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_GREEN_VALUE, &attribs->transparentGreenValue); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_BLUE_VALUE, &attribs->transparentBlueValue); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_ALPHA_VALUE, &attribs->transparentAlphaValue); ++ } ++ else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) { ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_TRANSPARENT_INDEX_VALUE, &attribs->transparentIndexValue); ++ } ++ ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLE_BUFFERS, &attribs->numMultisample); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_SAMPLES, &attribs->numSamples); ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_CONFIG_CAVEAT, &attribs->visualCaveat); ++ ++#if defined(GLX_NV_float_buffer) ++ if (ext && strstr(ext, "GLX_NV_float_buffer")) { ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_FLOAT_COMPONENTS_NV, &attribs->floatComponents); ++ } ++#endif ++#if defined(GLX_ARB_fbconfig_float) ++ if (ext && strstr(ext, "GLX_ARB_fbconfig_float")) { ++ if (attribs->render_type & GLX_RGBA_FLOAT_BIT_ARB) { ++ attribs->floatComponents = True; ++ } ++ } ++#endif ++#if defined(GLX_EXT_fbconfig_packed_float) ++ if (ext && strstr(ext, "GLX_EXT_fbconfig_packed_float")) { ++ if (attribs->render_type & GLX_RGBA_UNSIGNED_FLOAT_BIT_EXT) { ++ attribs->packedfloatComponents = True; ++ } ++ } ++#endif ++ ++#if defined(GLX_EXT_framebuffer_sRGB) ++ if (ext && strstr(ext, "GLX_EXT_framebuffer_sRGB")) { ++ glXGetFBConfigAttrib(dpy, fbconfig, GLX_FRAMEBUFFER_SRGB_CAPABLE_EXT, &attribs->srgb); ++ } ++#endif ++ return True; ++} ++ ++#endif ++ ++ ++ ++static void ++print_visual_attribs_verbose(const struct visual_attribs *attribs, ++ int fbconfigs) ++{ ++ if (fbconfigs) { ++ printf("FBConfig ID: %x Visual ID=%x depth=%d class=%s, type=%s\n", ++ attribs->id, attribs->vis_id, attribs->depth, ++ visual_class_name(attribs->klass), ++ visual_drawable_type(attribs->drawableType)); ++ } ++ else { ++ printf("Visual ID: %x depth=%d class=%s, type=%s\n", ++ attribs->id, attribs->depth, visual_class_name(attribs->klass), ++ visual_drawable_type(attribs->drawableType)); ++ } ++ printf(" bufferSize=%d level=%d renderType=%s doubleBuffer=%d stereo=%d\n", ++ attribs->bufferSize, attribs->level, ++ visual_render_type_name(attribs->render_type), ++ attribs->doubleBuffer, attribs->stereo); ++ printf(" rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d float=%c sRGB=%c\n", ++ attribs->redSize, attribs->greenSize, ++ attribs->blueSize, attribs->alphaSize, ++ attribs->packedfloatComponents ? 'P' : attribs->floatComponents ? 'Y' : 'N', ++ attribs->srgb ? 'Y' : 'N'); ++ printf(" auxBuffers=%d depthSize=%d stencilSize=%d\n", ++ attribs->auxBuffers, attribs->depthSize, attribs->stencilSize); ++ printf(" accum: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n", ++ attribs->accumRedSize, attribs->accumGreenSize, ++ attribs->accumBlueSize, attribs->accumAlphaSize); ++ printf(" multiSample=%d multiSampleBuffers=%d\n", ++ attribs->numSamples, attribs->numMultisample); ++#ifdef GLX_EXT_visual_rating ++ if (attribs->visualCaveat == GLX_NONE_EXT || attribs->visualCaveat == 0) ++ printf(" visualCaveat=None\n"); ++ else if (attribs->visualCaveat == GLX_SLOW_VISUAL_EXT) ++ printf(" visualCaveat=Slow\n"); ++ else if (attribs->visualCaveat == GLX_NON_CONFORMANT_VISUAL_EXT) ++ printf(" visualCaveat=Nonconformant\n"); ++#endif ++ if (attribs->transparentType == GLX_NONE) { ++ printf(" Opaque.\n"); ++ } ++ else if (attribs->transparentType == GLX_TRANSPARENT_RGB) { ++ printf(" Transparent RGB: Red=%d Green=%d Blue=%d Alpha=%d\n",attribs->transparentRedValue,attribs->transparentGreenValue,attribs->transparentBlueValue,attribs->transparentAlphaValue); ++ } ++ else if (attribs->transparentType == GLX_TRANSPARENT_INDEX) { ++ printf(" Transparent index=%d\n",attribs->transparentIndexValue); ++ } ++} ++ ++ ++static void ++print_visual_attribs_short_header(void) ++{ ++ printf(" visual x bf lv rg d st colorbuffer sr ax dp st accumbuffer ms cav\n"); ++ printf(" id dep cl sp sz l ci b ro r g b a F gb bf th cl r g b a ns b eat\n"); ++ printf("----------------------------------------------------------------------------\n"); ++} ++ ++ ++static void ++print_visual_attribs_short(const struct visual_attribs *attribs) ++{ ++ const char *caveat = caveat_string(attribs->visualCaveat); ++ ++ printf("0x%03x %2d %2s %2d %3d %2d %c%c %c %c %2d %2d %2d %2d %c %c %2d %2d %2d", ++ attribs->id, ++ attribs->depth, ++ visual_class_abbrev(attribs->klass), ++ attribs->transparentType != GLX_NONE, ++ attribs->bufferSize, ++ attribs->level, ++ (attribs->render_type & GLX_RGBA_BIT) ? 'r' : ' ', ++ (attribs->render_type & GLX_COLOR_INDEX_BIT) ? 'c' : ' ', ++ attribs->doubleBuffer ? 'y' : '.', ++ attribs->stereo ? 'y' : '.', ++ attribs->redSize, attribs->greenSize, ++ attribs->blueSize, attribs->alphaSize, ++ attribs->packedfloatComponents ? 'u' : attribs->floatComponents ? 'f' : '.', ++ attribs->srgb ? 's' : '.', ++ attribs->auxBuffers, ++ attribs->depthSize, ++ attribs->stencilSize ++ ); ++ ++ printf(" %2d %2d %2d %2d %2d %1d %s\n", ++ attribs->accumRedSize, attribs->accumGreenSize, ++ attribs->accumBlueSize, attribs->accumAlphaSize, ++ attribs->numSamples, attribs->numMultisample, ++ caveat ++ ); ++} ++ ++ ++static void ++print_visual_attribs_long_header(void) ++{ ++ printf("Vis Vis Visual Trans buff lev render DB ste r g b a s aux dep ste accum buffer MS MS \n"); ++ printf(" ID Depth Type parent size el type reo sz sz sz sz flt rgb buf th ncl r g b a num bufs caveats\n"); ++ printf("--------------------------------------------------------------------------------------------------------------------\n"); ++} ++ ++ ++static void ++print_visual_attribs_long(const struct visual_attribs *attribs) ++{ ++ const char *caveat = caveat_string(attribs->visualCaveat); ++ ++ printf("0x%3x %2d %-11s %2d %3d %2d %4s %3d %3d %3d %3d %3d %3d", ++ attribs->id, ++ attribs->depth, ++ visual_class_name(attribs->klass), ++ attribs->transparentType != GLX_NONE, ++ attribs->bufferSize, ++ attribs->level, ++ visual_render_type_name(attribs->render_type), ++ attribs->doubleBuffer, ++ attribs->stereo, ++ attribs->redSize, attribs->greenSize, ++ attribs->blueSize, attribs->alphaSize ++ ); ++ ++ printf(" %c %c %3d %4d %2d %3d %3d %3d %3d %2d %2d %6s\n", ++ attribs->floatComponents ? 'f' : '.', ++ attribs->srgb ? 's' : '.', ++ attribs->auxBuffers, ++ attribs->depthSize, ++ attribs->stencilSize, ++ attribs->accumRedSize, attribs->accumGreenSize, ++ attribs->accumBlueSize, attribs->accumAlphaSize, ++ attribs->numSamples, attribs->numMultisample, ++ caveat ++ ); ++} ++ ++ ++static void ++print_visual_info(Display *dpy, int scrnum, InfoMode mode) ++{ ++ XVisualInfo theTemplate; ++ XVisualInfo *visuals; ++ int numVisuals, numGlxVisuals; ++ long mask; ++ int i; ++ struct visual_attribs attribs; ++ ++ /* get list of all visuals on this screen */ ++ theTemplate.screen = scrnum; ++ mask = VisualScreenMask; ++ visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals); ++ ++ numGlxVisuals = 0; ++ for (i = 0; i < numVisuals; i++) { ++ if (get_visual_attribs(dpy, &visuals[i], &attribs)) ++ numGlxVisuals++; ++ } ++ ++ if (numGlxVisuals == 0) ++ return; ++ ++ printf("%d GLX Visuals\n", numGlxVisuals); ++ ++ if (mode == Normal) ++ print_visual_attribs_short_header(); ++ else if (mode == Wide) ++ print_visual_attribs_long_header(); ++ ++ for (i = 0; i < numVisuals; i++) { ++ if (!get_visual_attribs(dpy, &visuals[i], &attribs)) ++ continue; ++ ++ if (mode == Verbose) ++ print_visual_attribs_verbose(&attribs, False); ++ else if (mode == Normal) ++ print_visual_attribs_short(&attribs); ++ else if (mode == Wide) ++ print_visual_attribs_long(&attribs); ++ } ++ printf("\n"); ++ ++ XFree(visuals); ++} ++ ++#ifdef GLX_VERSION_1_3 ++ ++static void ++print_fbconfig_info(Display *dpy, int scrnum, InfoMode mode) ++{ ++ int numFBConfigs = 0; ++ struct visual_attribs attribs; ++ GLXFBConfig *fbconfigs; ++ int i; ++ ++ /* get list of all fbconfigs on this screen */ ++ fbconfigs = glXGetFBConfigs(dpy, scrnum, &numFBConfigs); ++ ++ if (numFBConfigs == 0) { ++ XFree(fbconfigs); ++ return; ++ } ++ ++ printf("%d GLXFBConfigs:\n", numFBConfigs); ++ if (mode == Normal) ++ print_visual_attribs_short_header(); ++ else if (mode == Wide) ++ print_visual_attribs_long_header(); ++ ++ for (i = 0; i < numFBConfigs; i++) { ++ get_fbconfig_attribs(dpy, fbconfigs[i], &attribs); ++ ++ if (mode == Verbose) ++ print_visual_attribs_verbose(&attribs, True); ++ else if (mode == Normal) ++ print_visual_attribs_short(&attribs); ++ else if (mode == Wide) ++ print_visual_attribs_long(&attribs); ++ } ++ printf("\n"); ++ ++ XFree(fbconfigs); ++} ++ ++#endif ++ ++/* ++ * Stand-alone Mesa doesn't really implement the GLX protocol so it ++ * doesn't really know the GLX attributes associated with an X visual. ++ * The first time a visual is presented to Mesa's pseudo-GLX it ++ * attaches ancilliary buffers to it (like depth and stencil). ++ * But that usually only works if glXChooseVisual is used. ++ * This function calls glXChooseVisual() to sort of "prime the pump" ++ * for Mesa's GLX so that the visuals that get reported actually ++ * reflect what applications will see. ++ * This has no effect when using true GLX. ++ */ ++static void ++mesa_hack(Display *dpy, int scrnum) ++{ ++ static int attribs[] = { ++ GLX_RGBA, ++ GLX_RED_SIZE, 1, ++ GLX_GREEN_SIZE, 1, ++ GLX_BLUE_SIZE, 1, ++ GLX_DEPTH_SIZE, 1, ++ GLX_STENCIL_SIZE, 1, ++ GLX_ACCUM_RED_SIZE, 1, ++ GLX_ACCUM_GREEN_SIZE, 1, ++ GLX_ACCUM_BLUE_SIZE, 1, ++ GLX_ACCUM_ALPHA_SIZE, 1, ++ GLX_DOUBLEBUFFER, ++ None ++ }; ++ XVisualInfo *visinfo; ++ ++ visinfo = glXChooseVisual(dpy, scrnum, attribs); ++ if (visinfo) ++ XFree(visinfo); ++} ++ ++ ++/* ++ * Examine all visuals to find the so-called best one. ++ * We prefer deepest RGBA buffer with depth, stencil and accum ++ * that has no caveats. ++ */ ++static int ++find_best_visual(Display *dpy, int scrnum) ++{ ++ XVisualInfo theTemplate; ++ XVisualInfo *visuals; ++ int numVisuals; ++ long mask; ++ int i; ++ struct visual_attribs bestVis; ++ ++ /* get list of all visuals on this screen */ ++ theTemplate.screen = scrnum; ++ mask = VisualScreenMask; ++ visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals); ++ ++ /* init bestVis with first visual info */ ++ get_visual_attribs(dpy, &visuals[0], &bestVis); ++ ++ /* try to find a "better" visual */ ++ for (i = 1; i < numVisuals; i++) { ++ struct visual_attribs vis; ++ ++ get_visual_attribs(dpy, &visuals[i], &vis); ++ ++ /* always skip visuals with caveats */ ++ if (vis.visualCaveat != GLX_NONE_EXT) ++ continue; ++ ++ /* see if this vis is better than bestVis */ ++ if ((!bestVis.supportsGL && vis.supportsGL) || ++ (bestVis.visualCaveat != GLX_NONE_EXT) || ++ (!(bestVis.render_type & GLX_RGBA_BIT) && (vis.render_type & GLX_RGBA_BIT)) || ++ (!bestVis.doubleBuffer && vis.doubleBuffer) || ++ (bestVis.redSize < vis.redSize) || ++ (bestVis.greenSize < vis.greenSize) || ++ (bestVis.blueSize < vis.blueSize) || ++ (bestVis.alphaSize < vis.alphaSize) || ++ (bestVis.depthSize < vis.depthSize) || ++ (bestVis.stencilSize < vis.stencilSize) || ++ (bestVis.accumRedSize < vis.accumRedSize)) { ++ /* found a better visual */ ++ bestVis = vis; ++ } ++ } ++ ++ XFree(visuals); ++ ++ return bestVis.id; ++} ++ ++ ++int ++main(int argc, char *argv[]) ++{ ++ Display *dpy; ++ int numScreens, scrnum; ++ struct options opts; ++ Bool coreWorked; ++ ++ parse_args(argc, argv, &opts); ++ ++ dpy = XOpenDisplay(opts.displayName); ++ if (!dpy) { ++ fprintf(stderr, "Error: unable to open display %s\n", ++ XDisplayName(opts.displayName)); ++ return -1; ++ } ++ ++ if (opts.findBest) { ++ int b; ++ mesa_hack(dpy, 0); ++ b = find_best_visual(dpy, 0); ++ printf("%d\n", b); ++ } ++ else { ++ numScreens = ScreenCount(dpy); ++ print_display_info(dpy); ++ for (scrnum = 0; scrnum < numScreens; scrnum++) { ++ mesa_hack(dpy, scrnum); ++ coreWorked = print_screen_info(dpy, scrnum, opts.allowDirect, ++ True, False, opts.limits, ++ opts.singleLine, False); ++ print_screen_info(dpy, scrnum, opts.allowDirect, False, False, ++ opts.limits, opts.singleLine, coreWorked); ++ print_screen_info(dpy, scrnum, opts.allowDirect, False, True, False, ++ opts.singleLine, True); ++ ++ printf("\n"); ++ print_visual_info(dpy, scrnum, opts.mode); ++#ifdef GLX_VERSION_1_3 ++ print_fbconfig_info(dpy, scrnum, opts.mode); ++#endif ++ if (scrnum + 1 < numScreens) ++ printf("\n\n"); ++ } ++ } ++ ++ XCloseDisplay(dpy); ++ ++ return 0; ++} +--- a/xdemos/Makefile 1970-01-01 01:00:00.000000000 +0100 ++++ b/xdemos/Makefile 2014-08-20 22:34:59.523166739 +0200 +@@ -0,0 +1,42 @@ ++ifeq ("$(DEMOS_PREFIX)", "") ++ DEMOS_PREFIX=/usr ++endif ++ ++ifneq ($(CC),) ++ CC=gcc ++endif ++ ++ifeq ($(V),) ++ VB = @ ++else ++ VB = ++endif ++ ++LIBRARY_PATH=../lib$(EXT) ++ ++X11_INCLUDES = $(shell pkg-config --cflags x11) ++X11_LIBS = $(shell pkg-config --libs x11) ++ ++DEMOS_CFLAGS = -g -O2 -I../include $(X11_INCLUDES) ++DEMOS_LDFLAGS = -L../lib$(EXT) -lGL $(X11_LIBS) -lm ++ ++default: glxgears glxinfo ++ ++glxgears: ++ @echo CC $@ ++ $(VB)$(CC) $(CFLAGS) $(DEMOS_CFLAGS) $(DEMOS_LDFLAGS) -o glxgears$(EXT) glxgears.c ++ ++glxinfo: ++ @echo CC $@ ++ $(VB)$(CC) $(CFLAGS) $(DEMOS_CFLAGS) $(DEMOS_LDFLAGS) -o glxinfo$(EXT) glxinfo.c ++ ++clean: ++ rm -f glxgears$(EXT) glxinfo$(EXT) ++ ++install: default ++ test -e $(DESTDIR)$(DEMOS_PREFIX)/bin || install -dm755 $(DESTDIR)$(DEMOS_PREFIX)/bin ++ test -e $(DESTDIR)$(DEMOS_PREFIX)/share/man/man1 || install -dm755 $(DESTDIR)$(DEMOS_PREFIX)/share/man/man1 ++ install -m755 glxgears$(EXT) glxinfo$(EXT) $(DESTDIR)$(DEMOS_PREFIX)/bin ++ install -m644 glxgears.1 glxinfo.1 $(DESTDIR)$(DEMOS_PREFIX)/share/man/man1 ++ ++.phony: default glxgears glxinfo clean install -- http://lists.linuxfromscratch.org/listinfo/patches FAQ: http://www.linuxfromscratch.org/blfs/faq.html Unsubscribe: See the above information page
