diff options
Diffstat (limited to 'progs/wgl/wglinfo.c')
| -rw-r--r-- | progs/wgl/wglinfo.c | 736 |
1 files changed, 0 insertions, 736 deletions
diff --git a/progs/wgl/wglinfo.c b/progs/wgl/wglinfo.c deleted file mode 100644 index 864372c2f9..0000000000 --- a/progs/wgl/wglinfo.c +++ /dev/null @@ -1,736 +0,0 @@ -/* - * 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; - 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_CLIPSIBLINGS | WS_CLIPCHILDREN, - CW_USEDEFAULT, - CW_USEDEFAULT, - CW_USEDEFAULT, - CW_USEDEFAULT, - NULL, - NULL, - wc.hInstance, - NULL); - if (!win) { - fprintf(stderr, "Couldn't create window"); - return; - } - - 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->iPixelType), - 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; -} |