1196 lines
38 KiB
C
1196 lines
38 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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#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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#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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typedef enum
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{
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Normal,
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Wide,
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Verbose
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} InfoMode;
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struct visual_attribs
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{
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/* X visual attribs */
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int id;
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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 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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};
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/*
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* Print a list of extensions, with word-wrapping.
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*/
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static void
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print_extension_list(const char *ext)
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{
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const char *indentString = " ";
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const int indent = 4;
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const int max = 79;
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int width, i, j;
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if (!ext || !ext[0])
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return;
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width = indent;
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printf("%s", indentString);
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i = j = 0;
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while (1) {
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if (ext[j] == ' ' || ext[j] == 0) {
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/* found end of an extension name */
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const int len = j - i;
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if (width + len > max) {
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/* start a new line */
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printf("\n");
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width = indent;
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printf("%s", indentString);
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}
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/* print the extension name between ext[i] and ext[j] */
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while (i < j) {
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printf("%c", ext[i]);
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i++;
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}
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/* either we're all done, or we'll continue with next extension */
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width += len + 1;
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if (ext[j] == 0) {
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break;
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}
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else {
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i++;
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j++;
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if (ext[j] == 0)
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break;
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printf(", ");
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width += 2;
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}
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}
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j++;
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}
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printf("\n");
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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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* Print interesting limits for vertex/fragment programs.
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*/
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static void
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print_program_limits(GLenum target)
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{
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#if defined(GL_ARB_vertex_program) || defined(GL_ARB_fragment_program)
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struct token_name {
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GLenum token;
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const char *name;
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};
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static const struct token_name common_limits[] = {
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{ GL_MAX_PROGRAM_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_INSTRUCTIONS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB" },
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{ GL_MAX_PROGRAM_TEMPORARIES_ARB, "GL_MAX_PROGRAM_TEMPORARIES_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB, "GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB" },
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{ GL_MAX_PROGRAM_PARAMETERS_ARB, "GL_MAX_PROGRAM_PARAMETERS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB, "GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB" },
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{ GL_MAX_PROGRAM_ATTRIBS_ARB, "GL_MAX_PROGRAM_ATTRIBS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB, "GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB" },
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{ GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB, "GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB, "GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB" },
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{ GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, "GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB" },
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{ GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, "GL_MAX_PROGRAM_ENV_PARAMETERS_ARB" },
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{ (GLenum) 0, NULL }
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};
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static const struct token_name fragment_limits[] = {
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{ GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB" },
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{ GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB" },
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{ GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB, "GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB" },
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{ GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB" },
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{ (GLenum) 0, NULL }
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};
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PFNGLGETPROGRAMIVARBPROC GetProgramivARB_func = (PFNGLGETPROGRAMIVARBPROC)
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glXGetProcAddressARB((GLubyte *) "glGetProgramivARB");
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GLint max[1];
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int i;
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if (target == GL_VERTEX_PROGRAM_ARB) {
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printf(" GL_VERTEX_PROGRAM_ARB:\n");
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}
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else if (target == GL_FRAGMENT_PROGRAM_ARB) {
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printf(" GL_FRAGMENT_PROGRAM_ARB:\n");
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}
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else {
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return; /* something's wrong */
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}
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for (i = 0; common_limits[i].token; i++) {
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GetProgramivARB_func(target, common_limits[i].token, max);
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if (glGetError() == GL_NO_ERROR) {
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printf(" %s = %d\n", common_limits[i].name, max[0]);
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}
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}
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if (target == GL_FRAGMENT_PROGRAM_ARB) {
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for (i = 0; fragment_limits[i].token; i++) {
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GetProgramivARB_func(target, fragment_limits[i].token, max);
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if (glGetError() == GL_NO_ERROR) {
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printf(" %s = %d\n", fragment_limits[i].name, max[0]);
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}
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}
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}
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#endif /* GL_ARB_vertex_program / GL_ARB_fragment_program */
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}
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/**
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* Print interesting limits for vertex/fragment shaders.
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*/
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static void
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print_shader_limits(GLenum target)
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{
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struct token_name {
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GLenum token;
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const char *name;
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};
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#if defined(GL_ARB_vertex_shader)
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static const struct token_name vertex_limits[] = {
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{ GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, "GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB" },
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{ GL_MAX_VARYING_FLOATS_ARB, "GL_MAX_VARYING_FLOATS_ARB" },
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{ GL_MAX_VERTEX_ATTRIBS_ARB, "GL_MAX_VERTEX_ATTRIBS_ARB" },
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{ GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB" },
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{ GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
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{ (GLenum) 0, NULL }
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};
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#endif
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#if defined(GL_ARB_fragment_shader)
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static const struct token_name fragment_limits[] = {
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{ GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, "GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB" },
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{ GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
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{ GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
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{ (GLenum) 0, NULL }
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};
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#endif
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GLint max[1];
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int i;
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#if defined(GL_ARB_vertex_shader)
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if (target == GL_VERTEX_SHADER_ARB) {
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printf(" GL_VERTEX_SHADER_ARB:\n");
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for (i = 0; vertex_limits[i].token; i++) {
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glGetIntegerv(vertex_limits[i].token, max);
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if (glGetError() == GL_NO_ERROR) {
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printf(" %s = %d\n", vertex_limits[i].name, max[0]);
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}
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}
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}
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#endif
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#if defined(GL_ARB_fragment_shader)
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if (target == GL_FRAGMENT_SHADER_ARB) {
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printf(" GL_FRAGMENT_SHADER_ARB:\n");
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for (i = 0; fragment_limits[i].token; i++) {
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glGetIntegerv(fragment_limits[i].token, max);
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if (glGetError() == GL_NO_ERROR) {
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printf(" %s = %d\n", fragment_limits[i].name, max[0]);
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}
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}
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}
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#endif
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}
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/**
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* Print interesting OpenGL implementation limits.
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*/
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static void
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print_limits(const char *extensions)
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{
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struct token_name {
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GLuint count;
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GLenum token;
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const char *name;
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};
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static const struct token_name limits[] = {
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{ 1, GL_MAX_ATTRIB_STACK_DEPTH, "GL_MAX_ATTRIB_STACK_DEPTH" },
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{ 1, GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH" },
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{ 1, GL_MAX_CLIP_PLANES, "GL_MAX_CLIP_PLANES" },
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{ 1, GL_MAX_COLOR_MATRIX_STACK_DEPTH, "GL_MAX_COLOR_MATRIX_STACK_DEPTH" },
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{ 1, GL_MAX_ELEMENTS_VERTICES, "GL_MAX_ELEMENTS_VERTICES" },
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{ 1, GL_MAX_ELEMENTS_INDICES, "GL_MAX_ELEMENTS_INDICES" },
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{ 1, GL_MAX_EVAL_ORDER, "GL_MAX_EVAL_ORDER" },
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{ 1, GL_MAX_LIGHTS, "GL_MAX_LIGHTS" },
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{ 1, GL_MAX_LIST_NESTING, "GL_MAX_LIST_NESTING" },
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{ 1, GL_MAX_MODELVIEW_STACK_DEPTH, "GL_MAX_MODELVIEW_STACK_DEPTH" },
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{ 1, GL_MAX_NAME_STACK_DEPTH, "GL_MAX_NAME_STACK_DEPTH" },
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{ 1, GL_MAX_PIXEL_MAP_TABLE, "GL_MAX_PIXEL_MAP_TABLE" },
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{ 1, GL_MAX_PROJECTION_STACK_DEPTH, "GL_MAX_PROJECTION_STACK_DEPTH" },
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{ 1, GL_MAX_TEXTURE_STACK_DEPTH, "GL_MAX_TEXTURE_STACK_DEPTH" },
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{ 1, GL_MAX_TEXTURE_SIZE, "GL_MAX_TEXTURE_SIZE" },
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{ 1, GL_MAX_3D_TEXTURE_SIZE, "GL_MAX_3D_TEXTURE_SIZE" },
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{ 2, GL_MAX_VIEWPORT_DIMS, "GL_MAX_VIEWPORT_DIMS" },
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{ 2, GL_ALIASED_LINE_WIDTH_RANGE, "GL_ALIASED_LINE_WIDTH_RANGE" },
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{ 2, GL_SMOOTH_LINE_WIDTH_RANGE, "GL_SMOOTH_LINE_WIDTH_RANGE" },
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{ 2, GL_ALIASED_POINT_SIZE_RANGE, "GL_ALIASED_POINT_SIZE_RANGE" },
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{ 2, GL_SMOOTH_POINT_SIZE_RANGE, "GL_SMOOTH_POINT_SIZE_RANGE" },
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#if defined(GL_ARB_texture_cube_map)
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{ 1, GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB" },
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#endif
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#if defined(GLX_NV_texture_rectangle)
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{ 1, GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, "GL_MAX_RECTANGLE_TEXTURE_SIZE_NV" },
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#endif
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#if defined(GL_ARB_texture_compression)
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{ 1, GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, "GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB" },
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#endif
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#if defined(GL_ARB_multitexture)
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{ 1, GL_MAX_TEXTURE_UNITS_ARB, "GL_MAX_TEXTURE_UNITS_ARB" },
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#endif
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#if defined(GL_EXT_texture_lod_bias)
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{ 1, GL_MAX_TEXTURE_LOD_BIAS_EXT, "GL_MAX_TEXTURE_LOD_BIAS_EXT" },
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#endif
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#if defined(GL_EXT_texture_filter_anisotropic)
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{ 1, GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT" },
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#endif
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#if defined(GL_ARB_draw_buffers)
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{ 1, GL_MAX_DRAW_BUFFERS_ARB, "GL_MAX_DRAW_BUFFERS_ARB" },
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#endif
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{ 0, (GLenum) 0, NULL }
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};
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GLint i, max[2];
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printf("OpenGL limits:\n");
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for (i = 0; limits[i].count; i++) {
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glGetIntegerv(limits[i].token, max);
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if (glGetError() == GL_NO_ERROR) {
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if (limits[i].count == 1)
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printf(" %s = %d\n", limits[i].name, max[0]);
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else /* XXX fix if we ever query something with more than 2 values */
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printf(" %s = %d, %d\n", limits[i].name, max[0], max[1]);
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}
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}
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/* these don't fit into the above mechanism, unfortunately */
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glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_WIDTH, max);
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glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_HEIGHT, max+1);
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if (glGetError() == GL_NONE) {
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printf(" GL_MAX_CONVOLUTION_WIDTH/HEIGHT = %d, %d\n", max[0], max[1]);
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}
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#if defined(GL_ARB_vertex_program)
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if (strstr(extensions, "GL_ARB_vertex_program")) {
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print_program_limits(GL_VERTEX_PROGRAM_ARB);
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}
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#endif
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#if defined(GL_ARB_fragment_program)
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if (strstr(extensions, "GL_ARB_fragment_program")) {
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print_program_limits(GL_FRAGMENT_PROGRAM_ARB);
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}
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#endif
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#if defined(GL_ARB_vertex_shader)
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if (strstr(extensions, "GL_ARB_vertex_shader")) {
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print_shader_limits(GL_VERTEX_SHADER_ARB);
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}
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#endif
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#if defined(GL_ARB_fragment_shader)
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if (strstr(extensions, "GL_ARB_fragment_shader")) {
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print_shader_limits(GL_FRAGMENT_SHADER_ARB);
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}
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#endif
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}
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static void
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print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
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{
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Window win;
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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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|
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XSetWindowAttributes attr;
|
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unsigned long mask;
|
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Window root;
|
|
GLXContext ctx = NULL;
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XVisualInfo *visinfo;
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int width = 100, height = 100;
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root = RootWindow(dpy, scrnum);
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|
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/*
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* Find a basic GLX visual. We'll then create a rendering context and
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* query various info strings.
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|
*/
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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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|
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if (visinfo)
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ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
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|
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#ifdef GLX_VERSION_1_3
|
|
/* Try glXChooseFBConfig() if glXChooseVisual didn't work.
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|
* XXX when would that happen?
|
|
*/
|
|
if (!visinfo) {
|
|
int fbAttribSingle[] = {
|
|
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,
|
|
GLX_DOUBLEBUFFER, GL_FALSE,
|
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None };
|
|
int fbAttribDouble[] = {
|
|
GLX_RENDER_TYPE, GLX_RGBA_BIT,
|
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GLX_RED_SIZE, 1,
|
|
GLX_GREEN_SIZE, 1,
|
|
GLX_BLUE_SIZE, 1,
|
|
GLX_DOUBLEBUFFER, GL_TRUE,
|
|
None };
|
|
GLXFBConfig *configs = NULL;
|
|
int nConfigs;
|
|
|
|
configs = glXChooseFBConfig(dpy, scrnum, fbAttribSingle, &nConfigs);
|
|
if (!configs)
|
|
configs = glXChooseFBConfig(dpy, scrnum, fbAttribDouble, &nConfigs);
|
|
|
|
if (configs) {
|
|
visinfo = glXGetVisualFromFBConfig(dpy, configs[0]);
|
|
ctx = glXCreateNewContext(dpy, configs[0], GLX_RGBA_TYPE, NULL, allowDirect);
|
|
XFree(configs);
|
|
}
|
|
}
|
|
#endif
|
|
|
|
if (!visinfo) {
|
|
fprintf(stderr, "Error: couldn't find RGB GLX visual or fbconfig\n");
|
|
return;
|
|
}
|
|
|
|
if (!ctx) {
|
|
fprintf(stderr, "Error: glXCreateContext failed\n");
|
|
XFree(visinfo);
|
|
return;
|
|
}
|
|
|
|
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);
|
|
const char *glExtensions = (const char *) glGetString(GL_EXTENSIONS);
|
|
int glxVersionMajor;
|
|
int glxVersionMinor;
|
|
char *displayName = NULL;
|
|
char *colon = NULL, *period = NULL;
|
|
|
|
if (! glXQueryVersion( dpy, & glxVersionMajor, & glxVersionMinor )) {
|
|
fprintf(stderr, "Error: glXQueryVersion failed\n");
|
|
exit(1);
|
|
}
|
|
|
|
/* 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);
|
|
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);
|
|
printf("GLX version: %u.%u\n", glxVersionMajor, glxVersionMinor);
|
|
printf("GLX extensions:\n");
|
|
print_extension_list(glxExtensions);
|
|
printf("OpenGL vendor string: %s\n", glVendor);
|
|
printf("OpenGL renderer string: %s\n", glRenderer);
|
|
printf("OpenGL version string: %s\n", glVersion);
|
|
#ifdef GL_VERSION_2_0
|
|
if (glVersion[0] >= '2' && glVersion[1] == '.') {
|
|
char *v = (char *) glGetString(GL_SHADING_LANGUAGE_VERSION);
|
|
printf("OpenGL shading language version string: %s\n", v);
|
|
}
|
|
#endif
|
|
|
|
printf("OpenGL extensions:\n");
|
|
print_extension_list(glExtensions);
|
|
if (limits)
|
|
print_limits(glExtensions);
|
|
}
|
|
else {
|
|
fprintf(stderr, "Error: glXMakeCurrent failed\n");
|
|
}
|
|
|
|
glXDestroyContext(dpy, ctx);
|
|
XFree(visinfo);
|
|
XDestroyWindow(dpy, win);
|
|
}
|
|
|
|
|
|
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_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_BIT:
|
|
return "rgba";
|
|
case GLX_COLOR_INDEX_BIT:
|
|
return "ci";
|
|
case GLX_RGBA_BIT | GLX_COLOR_INDEX_BIT:
|
|
return "rgba|ci";
|
|
default:
|
|
return "";
|
|
}
|
|
}
|
|
|
|
static GLboolean
|
|
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 GL_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_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
|
|
|
|
return GL_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 GLboolean
|
|
get_fbconfig_attribs(Display *dpy, GLXFBConfig fbconfig,
|
|
struct visual_attribs *attribs)
|
|
{
|
|
int visual_type;
|
|
|
|
memset(attribs, 0, sizeof(struct visual_attribs));
|
|
|
|
glXGetFBConfigAttrib(dpy, fbconfig, GLX_FBCONFIG_ID, &attribs->id);
|
|
|
|
#if 0
|
|
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;
|
|
#endif
|
|
|
|
glXGetFBConfigAttrib(dpy, fbconfig, GLX_X_VISUAL_TYPE, &visual_type);
|
|
attribs->klass = glx_token_to_visual_class(visual_type);
|
|
|
|
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);
|
|
|
|
return GL_TRUE;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
|
|
static void
|
|
print_visual_attribs_verbose(const struct visual_attribs *attribs)
|
|
{
|
|
printf("Visual ID: %x depth=%d class=%s\n",
|
|
attribs->id, attribs->depth, visual_class_name(attribs->klass));
|
|
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\n",
|
|
attribs->redSize, attribs->greenSize,
|
|
attribs->blueSize, attribs->alphaSize);
|
|
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 ax dp st accumbuffer ms cav\n");
|
|
printf(" id dep cl sp sz l ci b ro r g b a bf th cl r g b a ns b eat\n");
|
|
printf("----------------------------------------------------------------------\n");
|
|
}
|
|
|
|
|
|
static void
|
|
print_visual_attribs_short(const struct visual_attribs *attribs)
|
|
{
|
|
char *caveat = NULL;
|
|
#ifdef GLX_EXT_visual_rating
|
|
if (attribs->visualCaveat == GLX_NONE_EXT || attribs->visualCaveat == 0)
|
|
caveat = "None";
|
|
else if (attribs->visualCaveat == GLX_SLOW_VISUAL_EXT)
|
|
caveat = "Slow";
|
|
else if (attribs->visualCaveat == GLX_NON_CONFORMANT_VISUAL_EXT)
|
|
caveat = "Ncon";
|
|
else
|
|
caveat = "None";
|
|
#else
|
|
caveat = "None";
|
|
#endif
|
|
|
|
printf("0x%02x %2d %2s %2d %2d %2d %c%c %c %c %2d %2d %2d %2d %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->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 aux dep ste accum buffers MS MS\n");
|
|
printf(" ID Depth Type parent size el type reo sz sz sz sz buf th ncl r g b a num bufs\n");
|
|
printf("----------------------------------------------------------------------------------------------------\n");
|
|
}
|
|
|
|
|
|
static void
|
|
print_visual_attribs_long(const struct visual_attribs *attribs)
|
|
{
|
|
printf("0x%2x %2d %-11s %2d %2d %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(" %3d %4d %2d %3d %3d %3d %3d %2d %2d\n",
|
|
attribs->auxBuffers,
|
|
attribs->depthSize,
|
|
attribs->stencilSize,
|
|
attribs->accumRedSize, attribs->accumGreenSize,
|
|
attribs->accumBlueSize, attribs->accumAlphaSize,
|
|
attribs->numSamples, attribs->numMultisample
|
|
);
|
|
}
|
|
|
|
|
|
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);
|
|
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);
|
|
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;
|
|
}
|
|
|
|
|
|
static void
|
|
usage(void)
|
|
{
|
|
printf("Usage: glxinfo [-v] [-t] [-h] [-i] [-b] [-display <dname>]\n");
|
|
printf("\t-v: Print visuals info in verbose form.\n");
|
|
printf("\t-t: Print verbose table.\n");
|
|
printf("\t-display <dname>: Print GLX visuals on specified server.\n");
|
|
printf("\t-h: This information.\n");
|
|
printf("\t-i: Force an indirect rendering context.\n");
|
|
printf("\t-b: Find the 'best' visual and print its number.\n");
|
|
printf("\t-l: Print interesting OpenGL limits.\n");
|
|
}
|
|
|
|
|
|
int
|
|
main(int argc, char *argv[])
|
|
{
|
|
char *displayName = NULL;
|
|
Display *dpy;
|
|
int numScreens, scrnum;
|
|
InfoMode mode = Normal;
|
|
GLboolean findBest = GL_FALSE;
|
|
GLboolean limits = GL_FALSE;
|
|
Bool allowDirect = True;
|
|
int i;
|
|
|
|
for (i = 1; i < argc; i++) {
|
|
if (strcmp(argv[i], "-display") == 0 && i + 1 < argc) {
|
|
displayName = argv[i + 1];
|
|
i++;
|
|
}
|
|
else if (strcmp(argv[i], "-t") == 0) {
|
|
mode = Wide;
|
|
}
|
|
else if (strcmp(argv[i], "-v") == 0) {
|
|
mode = Verbose;
|
|
}
|
|
else if (strcmp(argv[i], "-b") == 0) {
|
|
findBest = GL_TRUE;
|
|
}
|
|
else if (strcmp(argv[i], "-i") == 0) {
|
|
allowDirect = False;
|
|
}
|
|
else if (strcmp(argv[i], "-l") == 0) {
|
|
limits = GL_TRUE;
|
|
}
|
|
else if (strcmp(argv[i], "-h") == 0) {
|
|
usage();
|
|
return 0;
|
|
}
|
|
else {
|
|
printf("Unknown option `%s'\n", argv[i]);
|
|
usage();
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
dpy = XOpenDisplay(displayName);
|
|
if (!dpy) {
|
|
fprintf(stderr, "Error: unable to open display %s\n", XDisplayName(displayName));
|
|
return -1;
|
|
}
|
|
|
|
if (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);
|
|
print_screen_info(dpy, scrnum, allowDirect, limits);
|
|
printf("\n");
|
|
print_visual_info(dpy, scrnum, mode);
|
|
#ifdef GLX_VERSION_1_3
|
|
print_fbconfig_info(dpy, scrnum, mode);
|
|
#endif
|
|
if (scrnum + 1 < numScreens)
|
|
printf("\n\n");
|
|
}
|
|
}
|
|
|
|
XCloseDisplay(dpy);
|
|
|
|
return 0;
|
|
}
|