9411ad8983
information based on GLX_MESA_query_renderer. The glxinfo man page isn't present in mesa demos so switch our page to mdoc and update the flags. Prompted by an initial diff from brynet@ ok brynet@ kettenis@
1275 lines
39 KiB
C
1275 lines
39 KiB
C
/*
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* Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
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* AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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* CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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/*
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* This program is a work-alike of the IRIX glxinfo program.
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* Command line options:
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* -t print wide table
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* -v print verbose information
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* -display DisplayName specify the X display to interogate
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* -b only print ID of "best" visual on screen 0
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* -i use indirect rendering connection only
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* -l print interesting OpenGL limits (added 5 Sep 2002)
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*
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* Brian Paul 26 January 2000
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*/
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#define GLX_GLXEXT_PROTOTYPES
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#define GL_GLEXT_PROTOTYPES
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#include <assert.h>
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#include <X11/Xlib.h>
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#include <X11/Xutil.h>
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#include <GL/gl.h>
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#include <GL/glx.h>
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include "glinfo_common.h"
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#ifndef GLX_NONE_EXT
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#define GLX_NONE_EXT 0x8000
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#endif
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#ifndef GLX_TRANSPARENT_RGB
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#define GLX_TRANSPARENT_RGB 0x8008
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#endif
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#ifndef GLX_RGBA_BIT
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#define GLX_RGBA_BIT 0x00000001
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#endif
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#ifndef GLX_COLOR_INDEX_BIT
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#define GLX_COLOR_INDEX_BIT 0x00000002
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#endif
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struct visual_attribs
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{
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/* X visual attribs */
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int id; /* May be visual ID or FBConfig ID */
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int vis_id; /* Visual ID. Only set for FBConfigs */
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int klass;
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int depth;
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int redMask, greenMask, blueMask;
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int colormapSize;
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int bitsPerRGB;
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/* GL visual attribs */
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int supportsGL;
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int drawableType;
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int transparentType;
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int transparentRedValue;
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int transparentGreenValue;
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int transparentBlueValue;
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int transparentAlphaValue;
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int transparentIndexValue;
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int bufferSize;
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int level;
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int render_type;
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int doubleBuffer;
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int stereo;
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int auxBuffers;
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int redSize, greenSize, blueSize, alphaSize;
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int depthSize;
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int stencilSize;
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int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
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int numSamples, numMultisample;
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int visualCaveat;
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int floatComponents;
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int packedfloatComponents;
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int srgb;
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};
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/**
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* Version of the context that was created
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*
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* 20, 21, 30, 31, 32, etc.
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*/
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static int version;
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/**
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* GL Error checking/warning.
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*/
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static void
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CheckError(int line)
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{
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int n;
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n = glGetError();
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if (n)
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printf("Warning: GL error 0x%x at line %d\n", n, line);
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}
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static void
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print_display_info(Display *dpy)
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{
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printf("name of display: %s\n", DisplayString(dpy));
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}
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/**
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* Choose a simple FB Config.
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*/
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static GLXFBConfig *
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choose_fb_config(Display *dpy, int scrnum)
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{
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int fbAttribSingle[] = {
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GLX_RENDER_TYPE, GLX_RGBA_BIT,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_DOUBLEBUFFER, False,
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None };
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int fbAttribDouble[] = {
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GLX_RENDER_TYPE, GLX_RGBA_BIT,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_DOUBLEBUFFER, True,
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None };
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GLXFBConfig *configs;
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int nConfigs;
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configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs);
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if (!configs)
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configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs);
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return configs;
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}
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static Bool CreateContextErrorFlag;
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static int
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create_context_error_handler(Display *dpy, XErrorEvent *error)
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{
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(void) dpy;
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(void) error->error_code;
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CreateContextErrorFlag = True;
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return 0;
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}
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/**
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* Try to create a GLX context of the given version with flags/options.
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* Note: A version number is required in order to get a core profile
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* (at least w/ NVIDIA).
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*/
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static GLXContext
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create_context_flags(Display *dpy, GLXFBConfig fbconfig, int major, int minor,
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int contextFlags, int profileMask, Bool direct)
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{
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#ifdef GLX_ARB_create_context
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static PFNGLXCREATECONTEXTATTRIBSARBPROC glXCreateContextAttribsARB_func = 0;
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static Bool firstCall = True;
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int (*old_handler)(Display *, XErrorEvent *);
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GLXContext context;
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int attribs[20];
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int n = 0;
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if (firstCall) {
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/* See if we have GLX_ARB_create_context_profile and get pointer to
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* glXCreateContextAttribsARB() function.
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*/
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const char *glxExt = glXQueryExtensionsString(dpy, 0);
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if (extension_supported("GLX_ARB_create_context_profile", glxExt)) {
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glXCreateContextAttribsARB_func = (PFNGLXCREATECONTEXTATTRIBSARBPROC)
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glXGetProcAddress((const GLubyte *) "glXCreateContextAttribsARB");
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}
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firstCall = False;
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}
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if (!glXCreateContextAttribsARB_func)
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return 0;
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/* setup attribute array */
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if (major) {
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attribs[n++] = GLX_CONTEXT_MAJOR_VERSION_ARB;
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attribs[n++] = major;
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attribs[n++] = GLX_CONTEXT_MINOR_VERSION_ARB;
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attribs[n++] = minor;
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}
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if (contextFlags) {
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attribs[n++] = GLX_CONTEXT_FLAGS_ARB;
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attribs[n++] = contextFlags;
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}
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#ifdef GLX_ARB_create_context_profile
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if (profileMask) {
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attribs[n++] = GLX_CONTEXT_PROFILE_MASK_ARB;
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attribs[n++] = profileMask;
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}
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#endif
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attribs[n++] = 0;
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/* install X error handler */
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old_handler = XSetErrorHandler(create_context_error_handler);
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CreateContextErrorFlag = False;
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/* try creating context */
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context = glXCreateContextAttribsARB_func(dpy,
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fbconfig,
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0, /* share_context */
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direct,
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attribs);
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/* restore error handler */
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XSetErrorHandler(old_handler);
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if (CreateContextErrorFlag)
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context = 0;
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if (context && direct) {
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if (!glXIsDirect(dpy, context)) {
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glXDestroyContext(dpy, context);
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return 0;
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}
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}
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return context;
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#else
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return 0;
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#endif
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}
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/**
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* Try to create a GLX context of the newest version.
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*/
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static GLXContext
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create_context_with_config(Display *dpy, GLXFBConfig config,
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Bool coreProfile, Bool es2Profile, Bool direct)
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{
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GLXContext ctx = 0;
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if (coreProfile) {
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/* Try to create a core profile, starting with the newest version of
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* GL that we're aware of. If we don't specify the version
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*/
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int i;
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for (i = 0; gl_versions[i].major > 0; i++) {
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/* don't bother below GL 3.0 */
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if (gl_versions[i].major == 3 &&
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gl_versions[i].minor == 0)
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return 0;
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ctx = create_context_flags(dpy, config,
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gl_versions[i].major,
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gl_versions[i].minor,
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0x0,
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GLX_CONTEXT_CORE_PROFILE_BIT_ARB,
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direct);
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if (ctx)
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return ctx;
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}
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/* couldn't get core profile context */
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return 0;
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}
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if (es2Profile) {
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#ifdef GLX_CONTEXT_ES2_PROFILE_BIT_EXT
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if (extension_supported("GLX_EXT_create_context_es2_profile",
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glXQueryExtensionsString(dpy, 0))) {
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ctx = create_context_flags(dpy, config, 2, 0, 0x0,
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GLX_CONTEXT_ES2_PROFILE_BIT_EXT,
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direct);
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return ctx;
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}
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#endif
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return 0;
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}
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/* GLX should return a context of the latest GL version that supports
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* the full profile.
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*/
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ctx = glXCreateNewContext(dpy, config, GLX_RGBA_TYPE, NULL, direct);
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/* make sure the context is direct, if direct was requested */
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if (ctx && direct) {
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if (!glXIsDirect(dpy, ctx)) {
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glXDestroyContext(dpy, ctx);
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return 0;
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}
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}
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return ctx;
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}
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static XVisualInfo *
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choose_xvisinfo(Display *dpy, int scrnum)
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{
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int attribSingle[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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None };
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int attribDouble[] = {
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GLX_RGBA,
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GLX_RED_SIZE, 1,
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GLX_GREEN_SIZE, 1,
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GLX_BLUE_SIZE, 1,
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GLX_DOUBLEBUFFER,
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None };
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XVisualInfo *visinfo;
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visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
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if (!visinfo)
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visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
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return visinfo;
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}
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static void
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query_renderer(void)
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{
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#ifdef GLX_MESA_query_renderer
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PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC queryInteger;
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PFNGLXQUERYCURRENTRENDERERSTRINGMESAPROC queryString;
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unsigned int v[3];
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queryInteger = (PFNGLXQUERYCURRENTRENDERERINTEGERMESAPROC)
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glXGetProcAddressARB((const GLubyte *)
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"glXQueryCurrentRendererIntegerMESA");
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queryString = (PFNGLXQUERYCURRENTRENDERERSTRINGMESAPROC)
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glXGetProcAddressARB((const GLubyte *)
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"glXQueryCurrentRendererStringMESA");
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printf("Extended renderer info (GLX_MESA_query_renderer):\n");
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queryInteger(GLX_RENDERER_VENDOR_ID_MESA, v);
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printf(" Vendor: %s (0x%x)\n",
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queryString(GLX_RENDERER_VENDOR_ID_MESA), *v);
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queryInteger(GLX_RENDERER_DEVICE_ID_MESA, v);
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printf(" Device: %s (0x%x)\n",
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queryString(GLX_RENDERER_DEVICE_ID_MESA), *v);
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queryInteger(GLX_RENDERER_VERSION_MESA, v);
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printf(" Version: %d.%d.%d\n", v[0], v[1], v[2]);
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queryInteger(GLX_RENDERER_ACCELERATED_MESA, v);
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printf(" Accelerated: %s\n", *v ? "yes" : "no");
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queryInteger(GLX_RENDERER_VIDEO_MEMORY_MESA, v);
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printf(" Video memory: %dMB\n", *v);
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queryInteger(GLX_RENDERER_UNIFIED_MEMORY_ARCHITECTURE_MESA, v);
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printf(" Unified memory: %s\n", *v ? "yes" : "no");
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queryInteger(GLX_RENDERER_PREFERRED_PROFILE_MESA, v);
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printf(" Preferred profile: %s (0x%x)\n",
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*v == GLX_CONTEXT_CORE_PROFILE_BIT_ARB ? "core" :
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*v == GLX_CONTEXT_COMPATIBILITY_PROFILE_BIT_ARB ? "compat" :
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"unknown", *v);
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queryInteger(GLX_RENDERER_OPENGL_CORE_PROFILE_VERSION_MESA, v);
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printf(" Max core profile version: %d.%d\n", v[0], v[1]);
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queryInteger(GLX_RENDERER_OPENGL_COMPATIBILITY_PROFILE_VERSION_MESA, v);
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printf(" Max compat profile version: %d.%d\n", v[0], v[1]);
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queryInteger(GLX_RENDERER_OPENGL_ES_PROFILE_VERSION_MESA, v);
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printf(" Max GLES1 profile version: %d.%d\n", v[0], v[1]);
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queryInteger(GLX_RENDERER_OPENGL_ES2_PROFILE_VERSION_MESA, v);
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printf(" Max GLES[23] profile version: %d.%d\n", v[0], v[1]);
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#endif
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}
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static Bool
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print_screen_info(Display *dpy, int scrnum, Bool allowDirect,
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Bool coreProfile, Bool es2Profile, Bool limits,
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Bool singleLine, Bool coreWorked)
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{
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Window win;
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XSetWindowAttributes attr;
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unsigned long mask;
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Window root;
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GLXContext ctx = NULL;
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XVisualInfo *visinfo;
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int width = 100, height = 100;
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GLXFBConfig *fbconfigs;
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const char *oglstring = coreProfile ? "OpenGL core profile" :
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es2Profile ? "OpenGL ES profile" : "OpenGL";
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root = RootWindow(dpy, scrnum);
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/*
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* Choose FBConfig or XVisualInfo and create a context.
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*/
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fbconfigs = choose_fb_config(dpy, scrnum);
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if (fbconfigs) {
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ctx = create_context_with_config(dpy, fbconfigs[0],
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coreProfile, es2Profile, allowDirect);
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if (!ctx && allowDirect && !coreProfile) {
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/* try indirect */
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ctx = create_context_with_config(dpy, fbconfigs[0],
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coreProfile, es2Profile, False);
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}
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visinfo = glXGetVisualFromFBConfig(dpy, fbconfigs[0]);
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XFree(fbconfigs);
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}
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else if (!coreProfile && !es2Profile) {
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visinfo = choose_xvisinfo(dpy, scrnum);
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if (visinfo)
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ctx = glXCreateContext(dpy, visinfo, NULL, allowDirect);
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} else
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visinfo = NULL;
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if (!visinfo && !coreProfile && !es2Profile) {
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fprintf(stderr, "Error: couldn't find RGB GLX visual or fbconfig\n");
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return False;
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}
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if (!ctx) {
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if (!coreProfile && !es2Profile)
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fprintf(stderr, "Error: glXCreateContext failed\n");
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XFree(visinfo);
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return False;
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}
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/*
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* Create a window so that we can just bind the context.
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*/
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attr.background_pixel = 0;
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attr.border_pixel = 0;
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attr.colormap = XCreateColormap(dpy, root, visinfo->visual, AllocNone);
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attr.event_mask = StructureNotifyMask | ExposureMask;
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mask = CWBackPixel | CWBorderPixel | CWColormap | CWEventMask;
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win = XCreateWindow(dpy, root, 0, 0, width, height,
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0, visinfo->depth, InputOutput,
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visinfo->visual, mask, &attr);
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if (glXMakeCurrent(dpy, win, ctx)) {
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const char *serverVendor = glXQueryServerString(dpy, scrnum, GLX_VENDOR);
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const char *serverVersion = glXQueryServerString(dpy, scrnum, GLX_VERSION);
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const char *serverExtensions = glXQueryServerString(dpy, scrnum, GLX_EXTENSIONS);
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const char *clientVendor = glXGetClientString(dpy, GLX_VENDOR);
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const char *clientVersion = glXGetClientString(dpy, GLX_VERSION);
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const char *clientExtensions = glXGetClientString(dpy, GLX_EXTENSIONS);
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const char *glxExtensions = glXQueryExtensionsString(dpy, scrnum);
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const char *glVendor = (const char *) glGetString(GL_VENDOR);
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const char *glRenderer = (const char *) glGetString(GL_RENDERER);
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const char *glVersion = (const char *) glGetString(GL_VERSION);
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char *glExtensions;
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int glxVersionMajor;
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int glxVersionMinor;
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char *displayName = NULL;
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char *colon = NULL, *period = NULL;
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struct ext_functions extfuncs;
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CheckError(__LINE__);
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/* Get some ext functions */
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extfuncs.GetProgramivARB = (GETPROGRAMIVARBPROC)
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glXGetProcAddressARB((GLubyte *) "glGetProgramivARB");
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extfuncs.GetStringi = (GETSTRINGIPROC)
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glXGetProcAddressARB((GLubyte *) "glGetStringi");
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extfuncs.GetConvolutionParameteriv = (GETCONVOLUTIONPARAMETERIVPROC)
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glXGetProcAddressARB((GLubyte *) "glGetConvolutionParameteriv");
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/* Get list of GL extensions */
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if (coreProfile) {
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glExtensions = build_core_profile_extension_list(&extfuncs);
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}
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else {
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glExtensions = (char *) glGetString(GL_EXTENSIONS);
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}
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CheckError(__LINE__);
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if (! glXQueryVersion( dpy, & glxVersionMajor, & glxVersionMinor )) {
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fprintf(stderr, "Error: glXQueryVersion failed\n");
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exit(1);
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}
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if (!coreWorked) {
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/* 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);
|
|
if (strstr(glxExtensions, "GLX_MESA_query_renderer"))
|
|
query_renderer();
|
|
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;
|
|
}
|