--- /dev/null
+/*
+ * Copyright (C) 2009 VMware, Inc.
+ * 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
+ * THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN
+ * AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+ * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+
+/*
+ * This program is a work-alike of the GLX glxinfo program.
+ * Command line options:
+ * -t print wide table
+ * -v print verbose information
+ * -b only print ID of "best" visual on screen 0
+ * -l print interesting OpenGL limits (added 5 Sep 2002)
+ */
+
+#include <windows.h>
+
+#include <GL/gl.h>
+#include <GL/glext.h>
+#include <GL/wglext.h>
+#include <stdio.h>
+#include <string.h>
+#include <stdlib.h>
+
+
+typedef enum
+{
+ Normal,
+ Wide,
+ Verbose
+} InfoMode;
+
+
+/*
+ * 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");
+}
+
+
+/**
+ * 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)
+ wglGetProcAddress("glGetProgramivARB");
+ GLint max[1];
+ int i;
+
+ 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
+}
+
+
+/**
+ * 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]);
+ }
+ }
+
+#if defined(GL_EXT_convolution)
+ {
+ PFNGLGETCONVOLUTIONPARAMETERIVEXTPROC glGetConvolutionParameterivEXT_func =
+ (PFNGLGETCONVOLUTIONPARAMETERIVEXTPROC)wglGetProcAddress("glGetConvolutionParameterivEXT");
+ if(glGetConvolutionParameterivEXT_func) {
+ /* these don't fit into the above mechanism, unfortunately */
+ glGetConvolutionParameterivEXT_func(GL_CONVOLUTION_2D, GL_MAX_CONVOLUTION_WIDTH, max);
+ glGetConvolutionParameterivEXT_func(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]);
+ }
+ }
+ }
+#endif
+
+#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 LRESULT CALLBACK
+WndProc(HWND hWnd,
+ UINT uMsg,
+ WPARAM wParam,
+ LPARAM lParam )
+{
+ switch (uMsg) {
+ case WM_DESTROY:
+ PostQuitMessage(0);
+ break;
+ default:
+ return DefWindowProc(hWnd, uMsg, wParam, lParam);
+ }
+
+ return 0;
+}
+
+
+static void
+print_screen_info(HDC _hdc, GLboolean limits)
+{
+ WNDCLASS wc;
+ HWND win;
+ HGLRC ctx;
+ int visinfo;
+ int width = 100, height = 100;
+ HDC hdc;
+ PIXELFORMATDESCRIPTOR pfd;
+
+ memset(&wc, 0, sizeof wc);
+ wc.hbrBackground = (HBRUSH) (COLOR_BTNFACE + 1);
+ wc.hCursor = LoadCursor(NULL, IDC_ARROW);
+ wc.hIcon = LoadIcon(NULL, IDI_APPLICATION);
+ wc.lpfnWndProc = WndProc;
+ wc.lpszClassName = "wglinfo";
+ wc.style = CS_OWNDC | CS_HREDRAW | CS_VREDRAW;
+ RegisterClass(&wc);
+
+ win = CreateWindowEx(0,
+ wc.lpszClassName,
+ "wglinfo",
+ WS_VISIBLE | WS_CLIPSIBLINGS | WS_CLIPCHILDREN,
+ CW_USEDEFAULT,
+ CW_USEDEFAULT,
+ width,
+ height,
+ NULL,
+ NULL,
+ wc.hInstance,
+ NULL);
+ if (!win) {
+ fprintf(stderr, "Couldn't create window");
+ exit(1);
+ }
+
+ hdc = GetDC(win);
+ if (!hdc) {
+ fprintf(stderr, "Couldn't obtain HDC");
+ return;
+ }
+
+ pfd.cColorBits = 3;
+ pfd.cRedBits = 1;
+ pfd.cGreenBits = 1;
+ pfd.cBlueBits = 1;
+ pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL;
+ pfd.iLayerType = PFD_MAIN_PLANE;
+ pfd.iPixelType = PFD_TYPE_RGBA;
+ pfd.nSize = sizeof(pfd);
+ pfd.nVersion = 1;
+
+ visinfo = ChoosePixelFormat(hdc, &pfd);
+ if (!visinfo) {
+ pfd.dwFlags |= PFD_DOUBLEBUFFER;
+ visinfo = ChoosePixelFormat(hdc, &pfd);
+ }
+
+ if (!visinfo) {
+ fprintf(stderr, "Error: couldn't find RGB WGL visual\n");
+ return;
+ }
+
+ SetPixelFormat(hdc, visinfo, &pfd);
+ ctx = wglCreateContext(hdc);
+ if (!ctx) {
+ fprintf(stderr, "Error: wglCreateContext failed\n");
+ return;
+ }
+
+ if (wglMakeCurrent(hdc, ctx)) {
+#if defined(WGL_ARB_extensions_string)
+ PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB_func =
+ (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB");
+#endif
+ 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);
+
+#if defined(WGL_ARB_extensions_string)
+ if(wglGetExtensionsStringARB_func) {
+ const char *wglExtensions = wglGetExtensionsStringARB_func(hdc);
+ if(wglExtensions) {
+ printf("WGL extensions:\n");
+ print_extension_list(wglExtensions);
+ }
+ }
+#endif
+ 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: wglMakeCurrent failed\n");
+ }
+
+ DestroyWindow(win);
+}
+
+
+static const char *
+visual_render_type_name(BYTE iPixelType)
+{
+ switch (iPixelType) {
+ case PFD_TYPE_RGBA:
+ return "rgba";
+ case PFD_TYPE_COLORINDEX:
+ return "ci";
+ default:
+ return "";
+ }
+}
+
+static void
+print_visual_attribs_verbose(int iPixelFormat, LPPIXELFORMATDESCRIPTOR ppfd)
+{
+ printf("Visual ID: %x generic=%d native=%d\n",
+ iPixelFormat,
+ ppfd->dwFlags & PFD_GENERIC_FORMAT ? 1 : 0,
+ ppfd->dwFlags & PFD_DRAW_TO_WINDOW ? 1 : 0);
+ printf(" bufferSize=%d level=%d renderType=%s doubleBuffer=%d stereo=%d\n",
+ 0 /* ppfd->bufferSize */, 0 /* ppfd->level */,
+ visual_render_type_name(ppfd->dwFlags),
+ ppfd->dwFlags & PFD_DOUBLEBUFFER ? 1 : 0,
+ ppfd->dwFlags & PFD_STEREO ? 1 : 0);
+ printf(" rgba: cRedBits=%d cGreenBits=%d cBlueBits=%d cAlphaBits=%d\n",
+ ppfd->cRedBits, ppfd->cGreenBits,
+ ppfd->cBlueBits, ppfd->cAlphaBits);
+ printf(" cAuxBuffers=%d cDepthBits=%d cStencilBits=%d\n",
+ ppfd->cAuxBuffers, ppfd->cDepthBits, ppfd->cStencilBits);
+ printf(" accum: cRedBits=%d cGreenBits=%d cBlueBits=%d cAlphaBits=%d\n",
+ ppfd->cAccumRedBits, ppfd->cAccumGreenBits,
+ ppfd->cAccumBlueBits, ppfd->cAccumAlphaBits);
+ printf(" multiSample=%d multiSampleBuffers=%d\n",
+ 0 /* ppfd->numSamples */, 0 /* ppfd->numMultisample */);
+}
+
+
+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 gen nat 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(int iPixelFormat, LPPIXELFORMATDESCRIPTOR ppfd)
+{
+ char *caveat = "None";
+
+ printf("0x%02x %2d %2d %2d %2d %2d %c%c %c %c %2d %2d %2d %2d %2d %2d %2d",
+ iPixelFormat,
+ ppfd->dwFlags & PFD_GENERIC_FORMAT ? 1 : 0,
+ ppfd->dwFlags & PFD_DRAW_TO_WINDOW ? 1 : 0,
+ 0,
+ 0 /* ppfd->bufferSize */,
+ 0 /* ppfd->level */,
+ ppfd->iPixelType == PFD_TYPE_RGBA ? 'r' : ' ',
+ ppfd->iPixelType == PFD_TYPE_COLORINDEX ? 'c' : ' ',
+ ppfd->dwFlags & PFD_DOUBLEBUFFER ? 'y' : '.',
+ ppfd->dwFlags & PFD_STEREO ? 'y' : '.',
+ ppfd->cRedBits, ppfd->cGreenBits,
+ ppfd->cBlueBits, ppfd->cAlphaBits,
+ ppfd->cAuxBuffers,
+ ppfd->cDepthBits,
+ ppfd->cStencilBits
+ );
+
+ printf(" %2d %2d %2d %2d %2d %1d %s\n",
+ ppfd->cAccumRedBits, ppfd->cAccumGreenBits,
+ ppfd->cAccumBlueBits, ppfd->cAccumAlphaBits,
+ 0 /* ppfd->numSamples */, 0 /* ppfd->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(int iPixelFormat, LPPIXELFORMATDESCRIPTOR ppfd)
+{
+ printf("0x%2x %2d %11d %2d %2d %2d %4s %3d %3d %3d %3d %3d %3d",
+ iPixelFormat,
+ ppfd->dwFlags & PFD_GENERIC_FORMAT ? 1 : 0,
+ ppfd->dwFlags & PFD_DRAW_TO_WINDOW ? 1 : 0,
+ 0,
+ 0 /* ppfd->bufferSize */,
+ 0 /* ppfd->level */,
+ visual_render_type_name(ppfd->iPixelType),
+ ppfd->dwFlags & PFD_DOUBLEBUFFER ? 1 : 0,
+ ppfd->dwFlags & PFD_STEREO ? 1 : 0,
+ ppfd->cRedBits, ppfd->cGreenBits,
+ ppfd->cBlueBits, ppfd->cAlphaBits
+ );
+
+ printf(" %3d %4d %2d %3d %3d %3d %3d %2d %2d\n",
+ ppfd->cAuxBuffers,
+ ppfd->cDepthBits,
+ ppfd->cStencilBits,
+ ppfd->cAccumRedBits, ppfd->cAccumGreenBits,
+ ppfd->cAccumBlueBits, ppfd->cAccumAlphaBits,
+ 0 /* ppfd->numSamples */, 0 /* ppfd->numMultisample */
+ );
+}
+
+
+static void
+print_visual_info(HDC hdc, InfoMode mode)
+{
+ PIXELFORMATDESCRIPTOR pfd;
+ int numVisuals, numWglVisuals;
+ int i;
+
+ numVisuals = DescribePixelFormat(hdc, 1, sizeof(PIXELFORMATDESCRIPTOR), NULL);
+ if (numVisuals == 0)
+ return;
+
+ numWglVisuals = 0;
+ for (i = 0; i < numVisuals; i++) {
+ if(!DescribePixelFormat(hdc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd))
+ continue;
+
+ if(!(pfd.dwFlags & PFD_SUPPORT_OPENGL))
+ continue;
+
+ ++numWglVisuals;
+ }
+
+ printf("%d WGL Visuals\n", numWglVisuals);
+
+ if (mode == Normal)
+ print_visual_attribs_short_header();
+ else if (mode == Wide)
+ print_visual_attribs_long_header();
+
+ for (i = 0; i < numVisuals; i++) {
+ if(!DescribePixelFormat(hdc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd))
+ continue;
+
+ if(!(pfd.dwFlags & PFD_SUPPORT_OPENGL))
+ continue;
+
+ if (mode == Verbose)
+ print_visual_attribs_verbose(i, &pfd);
+ else if (mode == Normal)
+ print_visual_attribs_short(i, &pfd);
+ else if (mode == Wide)
+ print_visual_attribs_long(i, &pfd);
+ }
+ printf("\n");
+}
+
+
+/*
+ * 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(HDC hdc)
+{
+#if 0
+ 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(hdc, mask, &theTemplate, &numVisuals);
+
+ /* init bestVis with first visual info */
+ get_visual_attribs(hdc, &visuals[0], &bestVis);
+
+ /* try to find a "better" visual */
+ for (i = 1; i < numVisuals; i++) {
+ struct visual_attribs vis;
+
+ get_visual_attribs(hdc, &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.iPixelType != vis.iPixelType) ||
+ (!bestVis.doubleBuffer && vis.doubleBuffer) ||
+ (bestVis.cRedBits < vis.cRedBits) ||
+ (bestVis.cGreenBits < vis.cGreenBits) ||
+ (bestVis.cBlueBits < vis.cBlueBits) ||
+ (bestVis.cAlphaBits < vis.cAlphaBits) ||
+ (bestVis.cDepthBits < vis.cDepthBits) ||
+ (bestVis.cStencilBits < vis.cStencilBits) ||
+ (bestVis.cAccumRedBits < vis.cAccumRedBits)) {
+ /* found a better visual */
+ bestVis = vis;
+ }
+ }
+
+ return bestVis.id;
+#else
+ return 0;
+#endif
+}
+
+
+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-h: This information.\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[])
+{
+ HDC hdc;
+ InfoMode mode = Normal;
+ GLboolean findBest = GL_FALSE;
+ GLboolean limits = GL_FALSE;
+ int i;
+
+ for (i = 1; i < argc; i++) {
+ 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], "-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;
+ }
+ }
+
+ hdc = CreateDC(TEXT("DISPLAY"), NULL, NULL, NULL);
+
+ if (findBest) {
+ int b;
+ b = find_best_visual(hdc);
+ printf("%d\n", b);
+ }
+ else {
+ print_screen_info(hdc, limits);
+ printf("\n");
+ print_visual_info(hdc, mode);
+ }
+
+ return 0;
+}
projects / mesa.git / commitdiff