-/* $Id: glxinfo.c,v 1.1 1999/09/16 16:40:46 brianp Exp $ */
+/*
+ * Copyright (C) 1999-2006 Brian Paul All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included
+ * in all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
+ * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * BRIAN PAUL BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
/*
- * Query GLX extensions, version, vendor, etc.
- * This program is in the public domain.
- * brian_paul@mesa3d.org
+ * This program is a work-alike of the IRIX glxinfo program.
+ * Command line options:
+ * -t print wide table
+ * -v print verbose information
+ * -display DisplayName specify the X display to interogate
+ * -b only print ID of "best" visual on screen 0
+ * -i use indirect rendering connection only
+ * -l print interesting OpenGL limits (added 5 Sep 2002)
+ *
+ * Brian Paul 26 January 2000
*/
+#define GLX_GLXEXT_PROTOTYPES
-
+#include <X11/Xlib.h>
+#include <X11/Xutil.h>
#include <GL/gl.h>
#include <GL/glx.h>
-#include <GL/glu.h>
#include <stdio.h>
+#include <string.h>
#include <stdlib.h>
+#ifndef GLX_NONE_EXT
+#define GLX_NONE_EXT 0x8000
+#endif
+
+#ifndef GLX_TRANSPARENT_RGB
+#define GLX_TRANSPARENT_RGB 0x8008
+#endif
+
+
+typedef enum
+{
+ Normal,
+ Wide,
+ Verbose
+} InfoMode;
+
+
+struct visual_attribs
+{
+ /* X visual attribs */
+ int id;
+ int klass;
+ int depth;
+ int redMask, greenMask, blueMask;
+ int colormapSize;
+ int bitsPerRGB;
+
+ /* GL visual attribs */
+ int supportsGL;
+ int transparentType;
+ int transparentRedValue;
+ int transparentGreenValue;
+ int transparentBlueValue;
+ int transparentAlphaValue;
+ int transparentIndexValue;
+ int bufferSize;
+ int level;
+ int rgba;
+ int doubleBuffer;
+ int stereo;
+ int auxBuffers;
+ int redSize, greenSize, blueSize, alphaSize;
+ int depthSize;
+ int stencilSize;
+ int accumRedSize, accumGreenSize, accumBlueSize, accumAlphaSize;
+ int numSamples, numMultisample;
+ int visualCaveat;
+};
+
+
+/*
+ * Print a list of extensions, with word-wrapping.
+ */
+static void
+print_extension_list(const char *ext)
+{
+ const char *indentString = " ";
+ const int indent = 4;
+ const int max = 79;
+ int width, i, j;
+
+ if (!ext || !ext[0])
+ return;
+
+ width = indent;
+ printf(indentString);
+ i = j = 0;
+ while (1) {
+ if (ext[j] == ' ' || ext[j] == 0) {
+ /* found end of an extension name */
+ const int len = j - i;
+ if (width + len > max) {
+ /* start a new line */
+ printf("\n");
+ width = indent;
+ printf(indentString);
+ }
+ /* print the extension name between ext[i] and ext[j] */
+ while (i < j) {
+ printf("%c", ext[i]);
+ i++;
+ }
+ /* either we're all done, or we'll continue with next extension */
+ width += len + 1;
+ if (ext[j] == 0) {
+ break;
+ }
+ else {
+ i++;
+ j++;
+ if (ext[j] == 0)
+ break;
+ printf(", ");
+ width += 2;
+ }
+ }
+ j++;
+ }
+ printf("\n");
+}
+
static void
-query_glx( Display *dpy, int scr )
+print_display_info(Display *dpy)
{
- printf("GL_VERSION: %s\n", (char *) glGetString(GL_VERSION));
- printf("GL_EXTENSIONS: %s\n", (char *) glGetString(GL_EXTENSIONS));
- printf("GL_RENDERER: %s\n", (char *) glGetString(GL_RENDERER));
- printf("GL_VENDOR: %s\n", (char *) glGetString(GL_VENDOR));
- printf("GLU_VERSION: %s\n", (char *) gluGetString(GLU_VERSION));
- printf("GLU_EXTENSIONS: %s\n", (char *) gluGetString(GLU_EXTENSIONS));
+ printf("name of display: %s\n", DisplayString(dpy));
+}
- printf("server GLX_VENDOR: %s\n", (char *) glXQueryServerString( dpy, scr, GLX_VENDOR));
- printf("server GLX_VERSION: %s\n", (char *) glXQueryServerString( dpy, scr, GLX_VERSION));
- printf("server GLX_EXTENSIONS: %s\n", (char *) glXQueryServerString( dpy, scr, GLX_EXTENSIONS));
- printf("client GLX_VENDOR: %s\n", (char *) glXGetClientString( dpy, GLX_VENDOR));
- printf("client GLX_VERSION: %s\n", (char *) glXGetClientString( dpy, GLX_VERSION));
- printf("client GLX_EXTENSIONS: %s\n", (char *) glXGetClientString( dpy, GLX_EXTENSIONS));
+/**
+ * Print interesting limits for vertex/fragment programs.
+ */
+static void
+print_program_limits(GLenum target)
+{
+#if defined(GL_ARB_vertex_program) || defined(GL_ARB_fragment_program)
+ struct token_name {
+ GLenum token;
+ const char *name;
+ };
+ static const struct token_name limits[] = {
+ { GL_MAX_PROGRAM_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_INSTRUCTIONS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_INSTRUCTIONS_ARB" },
+ { GL_MAX_PROGRAM_TEMPORARIES_ARB, "GL_MAX_PROGRAM_TEMPORARIES_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB, "GL_MAX_PROGRAM_NATIVE_TEMPORARIES_ARB" },
+ { GL_MAX_PROGRAM_PARAMETERS_ARB, "GL_MAX_PROGRAM_PARAMETERS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB, "GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB" },
+ { GL_MAX_PROGRAM_ATTRIBS_ARB, "GL_MAX_PROGRAM_ATTRIBS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB, "GL_MAX_PROGRAM_NATIVE_ATTRIBS_ARB" },
+ { GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB, "GL_MAX_PROGRAM_ADDRESS_REGISTERS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB, "GL_MAX_PROGRAM_NATIVE_ADDRESS_REGISTERS_ARB" },
+ { GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB, "GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB" },
+ { GL_MAX_PROGRAM_ENV_PARAMETERS_ARB, "GL_MAX_PROGRAM_ENV_PARAMETERS_ARB" },
+ { GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_ALU_INSTRUCTIONS_ARB" },
+ { GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_TEX_INSTRUCTIONS_ARB" },
+ { GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB, "GL_MAX_PROGRAM_TEX_INDIRECTIONS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_ALU_INSTRUCTIONS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_TEX_INSTRUCTIONS_ARB" },
+ { GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB, "GL_MAX_PROGRAM_NATIVE_TEX_INDIRECTIONS_ARB" },
+ { (GLenum) 0, NULL }
+ };
+ PFNGLGETPROGRAMIVARBPROC GetProgramivARB_func = (PFNGLGETPROGRAMIVARBPROC)
+ glXGetProcAddressARB((GLubyte *) "glGetProgramivARB");
+ GLint max[1];
+ int i;
- printf("GLX extensions: %s\n", (char *) glXQueryExtensionsString(dpy, scr));
+ if (target == GL_VERTEX_PROGRAM_ARB) {
+ printf(" GL_VERTEX_PROGRAM_ARB:\n");
+ }
+ else if (target == GL_FRAGMENT_PROGRAM_ARB) {
+ printf(" GL_FRAGMENT_PROGRAM_ARB:\n");
+ }
+ else {
+ return; /* something's wrong */
+ }
+
+ for (i = 0; limits[i].token; i++) {
+ GetProgramivARB_func(target, limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ printf(" %s = %d\n", limits[i].name, max[0]);
+ }
+ }
+#endif /* GL_ARB_vertex_program / GL_ARB_fragment_program */
}
+/**
+ * Print interesting limits for vertex/fragment shaders.
+ */
+static void
+print_shader_limits(GLenum target)
+{
+ struct token_name {
+ GLenum token;
+ const char *name;
+ };
+#if defined(GL_ARB_vertex_shader)
+ static const struct token_name vertex_limits[] = {
+ { GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB, "GL_MAX_VERTEX_UNIFORM_COMPONENTS_ARB" },
+ { GL_MAX_VARYING_FLOATS_ARB, "GL_MAX_VARYING_FLOATS_ARB" },
+ { GL_MAX_VERTEX_ATTRIBS_ARB, "GL_MAX_VERTEX_ATTRIBS_ARB" },
+ { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
+ { GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_VERTEX_TEXTURE_IMAGE_UNITS_ARB" },
+ { GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_COMBINED_TEXTURE_IMAGE_UNITS_ARB" },
+ { GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
+ { (GLenum) 0, NULL }
+ };
+#endif
+#if defined(GL_ARB_fragment_shader)
+ static const struct token_name fragment_limits[] = {
+ { GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB, "GL_MAX_FRAGMENT_UNIFORM_COMPONENTS_ARB" },
+ { GL_MAX_TEXTURE_COORDS_ARB, "GL_MAX_TEXTURE_COORDS_ARB" },
+ { GL_MAX_TEXTURE_IMAGE_UNITS_ARB, "GL_MAX_TEXTURE_IMAGE_UNITS_ARB" },
+ { (GLenum) 0, NULL }
+ };
+#endif
+ GLint max[1];
+ int i;
+
+#if defined(GL_ARB_vertex_shader)
+ if (target == GL_VERTEX_SHADER_ARB) {
+ printf(" GL_VERTEX_SHADER_ARB:\n");
+ for (i = 0; vertex_limits[i].token; i++) {
+ glGetIntegerv(vertex_limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ printf(" %s = %d\n", vertex_limits[i].name, max[0]);
+ }
+ }
+ }
+#endif
+#if defined(GL_ARB_fragment_shader)
+ if (target == GL_FRAGMENT_SHADER_ARB) {
+ printf(" GL_FRAGMENT_SHADER_ARB:\n");
+ for (i = 0; fragment_limits[i].token; i++) {
+ glGetIntegerv(fragment_limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ printf(" %s = %d\n", fragment_limits[i].name, max[0]);
+ }
+ }
+ }
+#endif
+}
-int
-main( int argc, char *argv[] )
+/**
+ * Print interesting OpenGL implementation limits.
+ */
+static void
+print_limits(const char *extensions)
+{
+ struct token_name {
+ GLuint count;
+ GLenum token;
+ const char *name;
+ };
+ static const struct token_name limits[] = {
+ { 1, GL_MAX_ATTRIB_STACK_DEPTH, "GL_MAX_ATTRIB_STACK_DEPTH" },
+ { 1, GL_MAX_CLIENT_ATTRIB_STACK_DEPTH, "GL_MAX_CLIENT_ATTRIB_STACK_DEPTH" },
+ { 1, GL_MAX_CLIP_PLANES, "GL_MAX_CLIP_PLANES" },
+ { 1, GL_MAX_COLOR_MATRIX_STACK_DEPTH, "GL_MAX_COLOR_MATRIX_STACK_DEPTH" },
+ { 1, GL_MAX_ELEMENTS_VERTICES, "GL_MAX_ELEMENTS_VERTICES" },
+ { 1, GL_MAX_ELEMENTS_INDICES, "GL_MAX_ELEMENTS_INDICES" },
+ { 1, GL_MAX_EVAL_ORDER, "GL_MAX_EVAL_ORDER" },
+ { 1, GL_MAX_LIGHTS, "GL_MAX_LIGHTS" },
+ { 1, GL_MAX_LIST_NESTING, "GL_MAX_LIST_NESTING" },
+ { 1, GL_MAX_MODELVIEW_STACK_DEPTH, "GL_MAX_MODELVIEW_STACK_DEPTH" },
+ { 1, GL_MAX_NAME_STACK_DEPTH, "GL_MAX_NAME_STACK_DEPTH" },
+ { 1, GL_MAX_PIXEL_MAP_TABLE, "GL_MAX_PIXEL_MAP_TABLE" },
+ { 1, GL_MAX_PROJECTION_STACK_DEPTH, "GL_MAX_PROJECTION_STACK_DEPTH" },
+ { 1, GL_MAX_TEXTURE_STACK_DEPTH, "GL_MAX_TEXTURE_STACK_DEPTH" },
+ { 1, GL_MAX_TEXTURE_SIZE, "GL_MAX_TEXTURE_SIZE" },
+ { 1, GL_MAX_3D_TEXTURE_SIZE, "GL_MAX_3D_TEXTURE_SIZE" },
+ { 2, GL_MAX_VIEWPORT_DIMS, "GL_MAX_VIEWPORT_DIMS" },
+ { 2, GL_ALIASED_LINE_WIDTH_RANGE, "GL_ALIASED_LINE_WIDTH_RANGE" },
+ { 2, GL_SMOOTH_LINE_WIDTH_RANGE, "GL_SMOOTH_LINE_WIDTH_RANGE" },
+ { 2, GL_ALIASED_POINT_SIZE_RANGE, "GL_ALIASED_POINT_SIZE_RANGE" },
+ { 2, GL_SMOOTH_POINT_SIZE_RANGE, "GL_SMOOTH_POINT_SIZE_RANGE" },
+#if defined(GL_ARB_texture_cube_map)
+ { 1, GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB, "GL_MAX_CUBE_MAP_TEXTURE_SIZE_ARB" },
+#endif
+#if defined(GLX_NV_texture_rectangle)
+ { 1, GL_MAX_RECTANGLE_TEXTURE_SIZE_NV, "GL_MAX_RECTANGLE_TEXTURE_SIZE_NV" },
+#endif
+#if defined(GL_ARB_texture_compression)
+ { 1, GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB, "GL_NUM_COMPRESSED_TEXTURE_FORMATS_ARB" },
+#endif
+#if defined(GL_ARB_multitexture)
+ { 1, GL_MAX_TEXTURE_UNITS_ARB, "GL_MAX_TEXTURE_UNITS_ARB" },
+#endif
+#if defined(GL_EXT_texture_lod_bias)
+ { 1, GL_MAX_TEXTURE_LOD_BIAS_EXT, "GL_MAX_TEXTURE_LOD_BIAS_EXT" },
+#endif
+#if defined(GL_EXT_texture_filter_anisotropic)
+ { 1, GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT, "GL_MAX_TEXTURE_MAX_ANISOTROPY_EXT" },
+#endif
+#if defined(GL_ARB_draw_buffers)
+ { 1, GL_MAX_DRAW_BUFFERS_ARB, "GL_MAX_DRAW_BUFFERS_ARB" },
+#endif
+ { 0, (GLenum) 0, NULL }
+ };
+ GLint i, max[2];
+
+ printf("OpenGL limits:\n");
+ for (i = 0; limits[i].count; i++) {
+ glGetIntegerv(limits[i].token, max);
+ if (glGetError() == GL_NO_ERROR) {
+ if (limits[i].count == 1)
+ printf(" %s = %d\n", limits[i].name, max[0]);
+ else /* XXX fix if we ever query something with more than 2 values */
+ printf(" %s = %d, %d\n", limits[i].name, max[0], max[1]);
+ }
+ }
+
+ /* these don't fit into the above mechanism, unfortunately */
+ glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_WIDTH, max);
+ glGetConvolutionParameteriv(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_HEIGHT, max+1);
+ if (glGetError() == GL_NONE) {
+ printf(" GL_MAX_CONVOLUTION_WIDTH/HEIGHT = %d, %d\n", max[0], max[1]);
+ }
+
+#if defined(GL_ARB_vertex_program)
+ if (strstr(extensions, "GL_ARB_vertex_program")) {
+ print_program_limits(GL_VERTEX_PROGRAM_ARB);
+ }
+#endif
+#if defined(GL_ARB_fragment_program)
+ if (strstr(extensions, "GL_ARB_fragment_program")) {
+ print_program_limits(GL_FRAGMENT_PROGRAM_ARB);
+ }
+#endif
+#if defined(GL_ARB_vertex_shader)
+ if (strstr(extensions, "GL_ARB_vertex_shader")) {
+ print_shader_limits(GL_VERTEX_SHADER_ARB);
+ }
+#endif
+#if defined(GL_ARB_fragment_shader)
+ if (strstr(extensions, "GL_ARB_fragment_shader")) {
+ print_shader_limits(GL_FRAGMENT_SHADER_ARB);
+ }
+#endif
+}
+
+
+static void
+print_screen_info(Display *dpy, int scrnum, Bool allowDirect, GLboolean limits)
{
- Display *dpy;
Window win;
- int attrib[] = { GLX_RGBA,
- GLX_RED_SIZE, 1,
- GLX_GREEN_SIZE, 1,
- GLX_BLUE_SIZE, 1,
- None };
- int scrnum;
+ int attribSingle[] = {
+ GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ None };
+ int attribDouble[] = {
+ GLX_RGBA,
+ GLX_RED_SIZE, 1,
+ GLX_GREEN_SIZE, 1,
+ GLX_BLUE_SIZE, 1,
+ GLX_DOUBLEBUFFER,
+ None };
+
XSetWindowAttributes attr;
unsigned long mask;
Window root;
XVisualInfo *visinfo;
int width = 100, height = 100;
- dpy = XOpenDisplay(NULL);
- if (!dpy) {
- fprintf(stderr, "Unable to open default display!\n");
- return 1;
- }
-
- scrnum = DefaultScreen( dpy );
- root = RootWindow( dpy, scrnum );
+ root = RootWindow(dpy, scrnum);
- visinfo = glXChooseVisual( dpy, scrnum, attrib );
+ visinfo = glXChooseVisual(dpy, scrnum, attribSingle);
if (!visinfo) {
- fprintf(stderr, "Error: couldn't find RGB GLX visual!\n");
- return 1;
+ visinfo = glXChooseVisual(dpy, scrnum, attribDouble);
+ if (!visinfo) {
+ fprintf(stderr, "Error: couldn't find RGB GLX visual\n");
+ return;
+ }
}
- /* window attributes */
attr.background_pixel = 0;
attr.border_pixel = 0;
- attr.colormap = XCreateColormap( dpy, root, visinfo->visual, AllocNone);
+ 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);
- win = XCreateWindow( dpy, root, 0, 0, width, height,
- 0, visinfo->depth, InputOutput,
- visinfo->visual, mask, &attr );
-
- ctx = glXCreateContext( dpy, visinfo, NULL, True );
+ ctx = glXCreateContext( dpy, visinfo, NULL, allowDirect );
+ if (!ctx) {
+ fprintf(stderr, "Error: glXCreateContext failed\n");
+ XFree(visinfo);
+ XDestroyWindow(dpy, win);
+ return;
+ }
- glXMakeCurrent( dpy, win, ctx );
+ 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);
+ }
- query_glx(dpy, scrnum);
+ /* 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);
+ 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 void
+get_visual_attribs(Display *dpy, XVisualInfo *vInfo,
+ struct visual_attribs *attribs)
+{
+ const char *ext = glXQueryExtensionsString(dpy, vInfo->screen);
+
+ 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)
+ return;
+ glXGetConfig(dpy, vInfo, GLX_BUFFER_SIZE, &attribs->bufferSize);
+ glXGetConfig(dpy, vInfo, GLX_LEVEL, &attribs->level);
+ glXGetConfig(dpy, vInfo, GLX_RGBA, &attribs->rgba);
+ 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") == 0) {
+ 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
+}
+
+
+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, attribs->rgba ? "rgba" : "ci",
+ 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%2x %2d %2s %2d %2d %2d %1s %2s %2s %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->rgba ? "r" : "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,
+ attribs->rgba ? "rgba" : "ci ",
+ 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;
+ long mask;
+ int i;
+
+ /* get list of all visuals on this screen */
+ theTemplate.screen = scrnum;
+ mask = VisualScreenMask;
+ visuals = XGetVisualInfo(dpy, mask, &theTemplate, &numVisuals);
+
+ if (mode == Verbose) {
+ for (i = 0; i < numVisuals; i++) {
+ struct visual_attribs attribs;
+ get_visual_attribs(dpy, &visuals[i], &attribs);
+ print_visual_attribs_verbose(&attribs);
+ }
+ }
+ else if (mode == Normal) {
+ print_visual_attribs_short_header();
+ for (i = 0; i < numVisuals; i++) {
+ struct visual_attribs attribs;
+ get_visual_attribs(dpy, &visuals[i], &attribs);
+ print_visual_attribs_short(&attribs);
+ }
+ }
+ else if (mode == Wide) {
+ print_visual_attribs_long_header();
+ for (i = 0; i < numVisuals; i++) {
+ struct visual_attribs attribs;
+ get_visual_attribs(dpy, &visuals[i], &attribs);
+ print_visual_attribs_long(&attribs);
+ }
+ }
+
+ XFree(visuals);
+}
+
+
+/*
+ * 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.rgba && vis.rgba) ||
+ (!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 it's 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", 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);
+ if (scrnum + 1 < numScreens)
+ printf("\n\n");
+ }
+ }
+
XCloseDisplay(dpy);
return 0;
projects / mesa.git / blobdiff