diff options
Diffstat (limited to 'src/visualinfo.c')
| -rw-r--r-- | src/visualinfo.c | 1226 |
1 files changed, 1226 insertions, 0 deletions
diff --git a/src/visualinfo.c b/src/visualinfo.c new file mode 100644 index 0000000..fd27c7b --- /dev/null +++ b/src/visualinfo.c @@ -0,0 +1,1226 @@ +/* +** visualinfo.c +** +** Copyright (C) Nate Robins, 1997 +** Michael Wimmer, 1999 +** Milan Ikits, 2002-2008 +** Nigel Stewart, 2008-2013 +** +** visualinfo is a small utility that displays all available visuals, +** aka. pixelformats, in an OpenGL system along with renderer version +** information. It shows a table of all the visuals that support OpenGL +** along with their capabilities. The format of the table is similar to +** that of glxinfo on Unix systems: +** +** visual ~= pixel format descriptor +** id = visual id (integer from 1 - max visuals) +** tp = type (wn: window, pb: pbuffer, wp: window & pbuffer, bm: bitmap) +** ac = acceleration (ge: generic, fu: full, no: none) +** fm = format (i: integer, f: float, c: color index) +** db = double buffer (y = yes) +** sw = swap method (x: exchange, c: copy, u: undefined) +** st = stereo (y = yes) +** sz = total # bits +** r = # bits of red +** g = # bits of green +** b = # bits of blue +** a = # bits of alpha +** axbf = # aux buffers +** dpth = # bits of depth +** stcl = # bits of stencil +*/ + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <GL/glew.h> +#if defined(_WIN32) +#include <GL/wglew.h> +#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX) +#include <OpenGL/OpenGL.h> +#include <OpenGL/CGLTypes.h> +#elif !defined(__HAIKU__) +#include <GL/glxew.h> +#endif + +#ifdef GLEW_MX +GLEWContext _glewctx; +# define glewGetContext() (&_glewctx) +# ifdef _WIN32 +WGLEWContext _wglewctx; +# define wglewGetContext() (&_wglewctx) +# elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX) +GLXEWContext _glxewctx; +# define glxewGetContext() (&_glxewctx) +# endif +#endif /* GLEW_MX */ + +typedef struct GLContextStruct +{ +#ifdef _WIN32 + HWND wnd; + HDC dc; + HGLRC rc; +#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX) + CGLContextObj ctx, octx; +#elif !defined(__HAIKU__) + Display* dpy; + XVisualInfo* vi; + GLXContext ctx; + Window wnd; + Colormap cmap; +#endif +} GLContext; + +void InitContext (GLContext* ctx); +GLboolean CreateContext (GLContext* ctx); +void DestroyContext (GLContext* ctx); +void VisualInfo (GLContext* ctx); +void PrintExtensions (const char* s); +GLboolean ParseArgs (int argc, char** argv); + +int showall = 0; +int displaystdout = 0; +int verbose = 0; +int drawableonly = 0; + +char* display = NULL; +int visual = -1; + +FILE* file = 0; + +int +main (int argc, char** argv) +{ + GLenum err; + GLContext ctx; + + /* ---------------------------------------------------------------------- */ + /* parse arguments */ + if (GL_TRUE == ParseArgs(argc-1, argv+1)) + { +#if defined(_WIN32) + fprintf(stderr, "Usage: visualinfo [-a] [-s] [-h] [-pf <id>]\n"); + fprintf(stderr, " -a: show all visuals\n"); + fprintf(stderr, " -s: display to stdout instead of visualinfo.txt\n"); + fprintf(stderr, " -pf <id>: use given pixelformat\n"); + fprintf(stderr, " -h: this screen\n"); +#else + fprintf(stderr, "Usage: visualinfo [-h] [-display <display>] [-visual <id>]\n"); + fprintf(stderr, " -h: this screen\n"); + fprintf(stderr, " -display <display>: use given display\n"); + fprintf(stderr, " -visual <id>: use given visual\n"); +#endif + return 1; + } + + /* ---------------------------------------------------------------------- */ + /* create OpenGL rendering context */ + InitContext(&ctx); + if (GL_TRUE == CreateContext(&ctx)) + { + fprintf(stderr, "Error: CreateContext failed\n"); + DestroyContext(&ctx); + return 1; + } + + /* ---------------------------------------------------------------------- */ + /* initialize GLEW */ + glewExperimental = GL_TRUE; +#ifdef GLEW_MX + err = glewContextInit(glewGetContext()); +# ifdef _WIN32 + err = err || wglewContextInit(wglewGetContext()); +# elif !defined(__APPLE__) && !defined(__HAIKU__) || defined(GLEW_APPLE_GLX) + err = err || glxewContextInit(glxewGetContext()); +# endif +#else + err = glewInit(); +#endif + if (GLEW_OK != err) + { + fprintf(stderr, "Error [main]: glewInit failed: %s\n", glewGetErrorString(err)); + DestroyContext(&ctx); + return 1; + } + + /* ---------------------------------------------------------------------- */ + /* open file */ +#if defined(_WIN32) + if (!displaystdout) + { +#if defined(_MSC_VER) && (_MSC_VER >= 1400) + if (fopen_s(&file, "visualinfo.txt", "w") != 0) + file = stdout; +#else + file = fopen("visualinfo.txt", "w"); +#endif + } + if (file == NULL) + file = stdout; +#else + file = stdout; +#endif + + /* ---------------------------------------------------------------------- */ + /* output header information */ + /* OpenGL extensions */ + fprintf(file, "OpenGL vendor string: %s\n", glGetString(GL_VENDOR)); + fprintf(file, "OpenGL renderer string: %s\n", glGetString(GL_RENDERER)); + fprintf(file, "OpenGL version string: %s\n", glGetString(GL_VERSION)); + fprintf(file, "OpenGL extensions (GL_): \n"); + PrintExtensions((const char*)glGetString(GL_EXTENSIONS)); + +#ifndef GLEW_NO_GLU + /* GLU extensions */ + fprintf(file, "GLU version string: %s\n", gluGetString(GLU_VERSION)); + fprintf(file, "GLU extensions (GLU_): \n"); + PrintExtensions((const char*)gluGetString(GLU_EXTENSIONS)); +#endif + + /* ---------------------------------------------------------------------- */ + /* extensions string */ +#if defined(_WIN32) + /* WGL extensions */ + if (WGLEW_ARB_extensions_string || WGLEW_EXT_extensions_string) + { + fprintf(file, "WGL extensions (WGL_): \n"); + PrintExtensions(wglGetExtensionsStringARB ? + (const char*)wglGetExtensionsStringARB(ctx.dc) : + (const char*)wglGetExtensionsStringEXT()); + } +#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX) + +#elif defined(__HAIKU__) + + /* TODO */ + +#else + /* GLX extensions */ + fprintf(file, "GLX extensions (GLX_): \n"); + PrintExtensions(glXQueryExtensionsString(glXGetCurrentDisplay(), + DefaultScreen(glXGetCurrentDisplay()))); +#endif + + /* ---------------------------------------------------------------------- */ + /* enumerate all the formats */ + VisualInfo(&ctx); + + /* ---------------------------------------------------------------------- */ + /* release resources */ + DestroyContext(&ctx); + if (file != stdout) + fclose(file); + return 0; +} + +/* do the magic to separate all extensions with comma's, except + for the last one that _may_ terminate in a space. */ +void PrintExtensions (const char* s) +{ + char t[80]; + int i=0; + char* p=0; + + t[79] = '\0'; + while (*s) + { + t[i++] = *s; + if(*s == ' ') + { + if (*(s+1) != '\0') { + t[i-1] = ','; + t[i] = ' '; + p = &t[i++]; + } + else /* zoinks! last one terminated in a space! */ + { + t[i-1] = '\0'; + } + } + if(i > 80 - 5) + { + *p = t[i] = '\0'; + fprintf(file, " %s\n", t); + p++; + i = (int)strlen(p); +#if defined(_MSC_VER) && (_MSC_VER >= 1400) + strcpy_s(t, sizeof(t), p); +#else + strcpy(t, p); +#endif + } + s++; + } + t[i] = '\0'; + fprintf(file, " %s.\n", t); +} + +/* ---------------------------------------------------------------------- */ + +#if defined(_WIN32) + +void +VisualInfoARB (GLContext* ctx) +{ + int attrib[32], value[32], n_attrib, n_pbuffer=0, n_float=0; + int i, pf, maxpf; + unsigned int c; + + /* to get pbuffer capable pixel formats */ + attrib[0] = WGL_DRAW_TO_PBUFFER_ARB; + attrib[1] = GL_TRUE; + attrib[2] = 0; + wglChoosePixelFormatARB(ctx->dc, attrib, 0, 1, &pf, &c); + /* query number of pixel formats */ + attrib[0] = WGL_NUMBER_PIXEL_FORMATS_ARB; + wglGetPixelFormatAttribivARB(ctx->dc, 0, 0, 1, attrib, value); + maxpf = value[0]; + for (i=0; i<32; i++) + value[i] = 0; + + attrib[0] = WGL_SUPPORT_OPENGL_ARB; + attrib[1] = WGL_DRAW_TO_WINDOW_ARB; + attrib[2] = WGL_DRAW_TO_BITMAP_ARB; + attrib[3] = WGL_ACCELERATION_ARB; + /* WGL_NO_ACCELERATION_ARB, WGL_GENERIC_ACCELERATION_ARB, WGL_FULL_ACCELERATION_ARB */ + attrib[4] = WGL_SWAP_METHOD_ARB; + /* WGL_SWAP_EXCHANGE_ARB, WGL_SWAP_COPY_ARB, WGL_SWAP_UNDEFINED_ARB */ + attrib[5] = WGL_DOUBLE_BUFFER_ARB; + attrib[6] = WGL_STEREO_ARB; + attrib[7] = WGL_PIXEL_TYPE_ARB; + /* WGL_TYPE_RGBA_ARB, WGL_TYPE_COLORINDEX_ARB, + WGL_TYPE_RGBA_FLOAT_ATI (WGL_ATI_pixel_format_float) */ + /* Color buffer information */ + attrib[8] = WGL_COLOR_BITS_ARB; + attrib[9] = WGL_RED_BITS_ARB; + attrib[10] = WGL_GREEN_BITS_ARB; + attrib[11] = WGL_BLUE_BITS_ARB; + attrib[12] = WGL_ALPHA_BITS_ARB; + /* Accumulation buffer information */ + attrib[13] = WGL_ACCUM_BITS_ARB; + attrib[14] = WGL_ACCUM_RED_BITS_ARB; + attrib[15] = WGL_ACCUM_GREEN_BITS_ARB; + attrib[16] = WGL_ACCUM_BLUE_BITS_ARB; + attrib[17] = WGL_ACCUM_ALPHA_BITS_ARB; + /* Depth, stencil, and aux buffer information */ + attrib[18] = WGL_DEPTH_BITS_ARB; + attrib[19] = WGL_STENCIL_BITS_ARB; + attrib[20] = WGL_AUX_BUFFERS_ARB; + /* Layer information */ + attrib[21] = WGL_NUMBER_OVERLAYS_ARB; + attrib[22] = WGL_NUMBER_UNDERLAYS_ARB; + attrib[23] = WGL_SWAP_LAYER_BUFFERS_ARB; + attrib[24] = WGL_SAMPLES_ARB; + attrib[25] = WGL_SUPPORT_GDI_ARB; + n_attrib = 26; + if (WGLEW_ARB_pbuffer) + { + attrib[n_attrib] = WGL_DRAW_TO_PBUFFER_ARB; + n_pbuffer = n_attrib; + n_attrib++; + } + if (WGLEW_NV_float_buffer) + { + attrib[n_attrib] = WGL_FLOAT_COMPONENTS_NV; + n_float = n_attrib; + n_attrib++; + } + + if (!verbose) + { + /* print table header */ + fprintf(file, " +-----+-------------------------+-----------------+----------+-----------------+----------+\n"); + fprintf(file, " | | visual | color | ax dp st | accum | layer |\n"); + fprintf(file, " | id | tp ac gd fm db sw st ms | sz r g b a | bf th cl | sz r g b a | ov un sw |\n"); + fprintf(file, " +-----+-------------------------+-----------------+----------+-----------------+----------+\n"); + /* loop through all the pixel formats */ + for(i = 1; i <= maxpf; i++) + { + wglGetPixelFormatAttribivARB(ctx->dc, i, 0, n_attrib, attrib, value); + /* only describe this format if it supports OpenGL */ + if (!value[0]) continue; + /* by default show only fully accelerated window or pbuffer capable visuals */ + if (!showall + && ((value[2] && !value[1]) + || (!WGLEW_ARB_pbuffer || !value[n_pbuffer]) + || (value[3] != WGL_FULL_ACCELERATION_ARB))) continue; + /* print out the information for this visual */ + /* visual id */ + fprintf(file, " |% 4d | ", i); + /* visual type */ + if (value[1]) + { + if (WGLEW_ARB_pbuffer && value[n_pbuffer]) fprintf(file, "wp "); + else fprintf(file, "wn "); + } + else + { + if (value[2]) fprintf(file, "bm "); + else if (WGLEW_ARB_pbuffer && value[n_pbuffer]) fprintf(file, "pb "); + } + /* acceleration */ + fprintf(file, "%s ", value[3] == WGL_FULL_ACCELERATION_ARB ? "fu" : + value[3] == WGL_GENERIC_ACCELERATION_ARB ? "ge" : + value[3] == WGL_NO_ACCELERATION_ARB ? "no" : ". "); + /* gdi support */ + fprintf(file, " %c ", value[25] ? 'y' : '.'); + /* format */ + if (WGLEW_NV_float_buffer && value[n_float]) fprintf(file, " f "); + else if (WGLEW_ATI_pixel_format_float && value[7] == WGL_TYPE_RGBA_FLOAT_ATI) fprintf(file, " f "); + else if (value[7] == WGL_TYPE_RGBA_ARB) fprintf(file, " i "); + else if (value[7] == WGL_TYPE_COLORINDEX_ARB) fprintf(file, " c "); + else if (value[7] == WGL_TYPE_RGBA_UNSIGNED_FLOAT_EXT) fprintf(file," p "); + else fprintf(file," ? "); + /* double buffer */ + fprintf(file, " %c ", value[5] ? 'y' : '.'); + /* swap method */ + if (value[4] == WGL_SWAP_EXCHANGE_ARB) fprintf(file, " x "); + else if (value[4] == WGL_SWAP_COPY_ARB) fprintf(file, " c "); + else if (value[4] == WGL_SWAP_UNDEFINED_ARB) fprintf(file, " . "); + else fprintf(file, " . "); + /* stereo */ + fprintf(file, " %c ", value[6] ? 'y' : '.'); + /* multisample */ + if (value[24] > 0) + fprintf(file, "%2d | ", value[24]); + else + fprintf(file, " . | "); + /* color size */ + if (value[8]) fprintf(file, "%3d ", value[8]); + else fprintf(file, " . "); + /* red */ + if (value[9]) fprintf(file, "%2d ", value[9]); + else fprintf(file, " . "); + /* green */ + if (value[10]) fprintf(file, "%2d ", value[10]); + else fprintf(file, " . "); + /* blue */ + if (value[11]) fprintf(file, "%2d ", value[11]); + else fprintf(file, " . "); + /* alpha */ + if (value[12]) fprintf(file, "%2d | ", value[12]); + else fprintf(file, " . | "); + /* aux buffers */ + if (value[20]) fprintf(file, "%2d ", value[20]); + else fprintf(file, " . "); + /* depth */ + if (value[18]) fprintf(file, "%2d ", value[18]); + else fprintf(file, " . "); + /* stencil */ + if (value[19]) fprintf(file, "%2d | ", value[19]); + else fprintf(file, " . | "); + /* accum size */ + if (value[13]) fprintf(file, "%3d ", value[13]); + else fprintf(file, " . "); + /* accum red */ + if (value[14]) fprintf(file, "%2d ", value[14]); + else fprintf(file, " . "); + /* accum green */ + if (value[15]) fprintf(file, "%2d ", value[15]); + else fprintf(file, " . "); + /* accum blue */ + if (value[16]) fprintf(file, "%2d ", value[16]); + else fprintf(file, " . "); + /* accum alpha */ + if (value[17]) fprintf(file, "%2d | ", value[17]); + else fprintf(file, " . | "); + /* overlay */ + if (value[21]) fprintf(file, "%2d ", value[21]); + else fprintf(file, " . "); + /* underlay */ + if (value[22]) fprintf(file, "%2d ", value[22]); + else fprintf(file, " . "); + /* layer swap */ + if (value[23]) fprintf(file, "y "); + else fprintf(file, " . "); + fprintf(file, "|\n"); + } + /* print table footer */ + fprintf(file, " +-----+-------------------------+-----------------+----------+-----------------+----------+\n"); + fprintf(file, " | | visual | color | ax dp st | accum | layer |\n"); + fprintf(file, " | id | tp ac gd fm db sw st ms | sz r g b a | bf th cl | sz r g b a | ov un sw |\n"); + fprintf(file, " +-----+-------------------------+-----------------+----------+-----------------+----------+\n"); + } + else /* verbose */ + { +#if 0 + fprintf(file, "\n"); + /* loop through all the pixel formats */ + for(i = 1; i <= maxpf; i++) + { + DescribePixelFormat(ctx->dc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd); + /* only describe this format if it supports OpenGL */ + if(!(pfd.dwFlags & PFD_SUPPORT_OPENGL) + || (drawableonly && !(pfd.dwFlags & PFD_DRAW_TO_WINDOW))) continue; + fprintf(file, "Visual ID: %2d depth=%d class=%s\n", i, pfd.cDepthBits, + pfd.cColorBits <= 8 ? "PseudoColor" : "TrueColor"); + fprintf(file, " bufferSize=%d level=%d renderType=%s doubleBuffer=%d stereo=%d\n", pfd.cColorBits, pfd.bReserved, pfd.iPixelType == PFD_TYPE_RGBA ? "rgba" : "ci", pfd.dwFlags & PFD_DOUBLEBUFFER, pfd.dwFlags & PFD_STEREO); + fprintf(file, " generic=%d generic accelerated=%d\n", (pfd.dwFlags & PFD_GENERIC_FORMAT) == PFD_GENERIC_FORMAT, (pfd.dwFlags & PFD_GENERIC_ACCELERATED) == PFD_GENERIC_ACCELERATED); + fprintf(file, " rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n", pfd.cRedBits, pfd.cGreenBits, pfd.cBlueBits, pfd.cAlphaBits); + fprintf(file, " auxBuffers=%d depthSize=%d stencilSize=%d\n", pfd.cAuxBuffers, pfd.cDepthBits, pfd.cStencilBits); + fprintf(file, " accum: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n", pfd.cAccumRedBits, pfd.cAccumGreenBits, pfd.cAccumBlueBits, pfd.cAccumAlphaBits); + fprintf(file, " multiSample=%d multisampleBuffers=%d\n", 0, 0); + fprintf(file, " Opaque.\n"); + } +#endif + } +} + +void +VisualInfoGDI (GLContext* ctx) +{ + int i, maxpf; + PIXELFORMATDESCRIPTOR pfd; + + /* calling DescribePixelFormat() with NULL pfd (!!!) return maximum + number of pixel formats */ + maxpf = DescribePixelFormat(ctx->dc, 1, 0, NULL); + + if (!verbose) + { + fprintf(file, "-----------------------------------------------------------------------------\n"); + fprintf(file, " visual x bf lv rg d st ge ge r g b a ax dp st accum buffs ms \n"); + fprintf(file, " id dep tp sp sz l ci b ro ne ac sz sz sz sz bf th cl sz r g b a ns b\n"); + fprintf(file, "-----------------------------------------------------------------------------\n"); + + /* loop through all the pixel formats */ + for(i = 1; i <= maxpf; i++) + { + DescribePixelFormat(ctx->dc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd); + /* only describe this format if it supports OpenGL */ + if(!(pfd.dwFlags & PFD_SUPPORT_OPENGL) + || (drawableonly && (pfd.dwFlags & PFD_DRAW_TO_BITMAP))) continue; + /* other criteria could be tested here for actual pixel format + choosing in an application: + + for (...each pixel format...) { + if (pfd.dwFlags & PFD_SUPPORT_OPENGL && + pfd.dwFlags & PFD_DOUBLEBUFFER && + pfd.cDepthBits >= 24 && + pfd.cColorBits >= 24) + { + goto found; + } + } + ... not found so exit ... + found: + ... found so use it ... + */ + /* print out the information for this pixel format */ + fprintf(file, "0x%02x ", i); + fprintf(file, "%3d ", pfd.cColorBits); + if(pfd.dwFlags & PFD_DRAW_TO_WINDOW) fprintf(file, "wn "); + else if(pfd.dwFlags & PFD_DRAW_TO_BITMAP) fprintf(file, "bm "); + else fprintf(file, "pb "); + /* should find transparent pixel from LAYERPLANEDESCRIPTOR */ + fprintf(file, " . "); + fprintf(file, "%3d ", pfd.cColorBits); + /* bReserved field indicates number of over/underlays */ + if(pfd.bReserved) fprintf(file, " %d ", pfd.bReserved); + else fprintf(file, " . "); + fprintf(file, " %c ", pfd.iPixelType == PFD_TYPE_RGBA ? 'r' : 'c'); + fprintf(file, "%c ", pfd.dwFlags & PFD_DOUBLEBUFFER ? 'y' : '.'); + fprintf(file, " %c ", pfd.dwFlags & PFD_STEREO ? 'y' : '.'); + /* added: */ + fprintf(file, " %c ", pfd.dwFlags & PFD_GENERIC_FORMAT ? 'y' : '.'); + fprintf(file, " %c ", pfd.dwFlags & PFD_GENERIC_ACCELERATED ? 'y' : '.'); + if(pfd.cRedBits && pfd.iPixelType == PFD_TYPE_RGBA) + fprintf(file, "%2d ", pfd.cRedBits); + else fprintf(file, " . "); + if(pfd.cGreenBits && pfd.iPixelType == PFD_TYPE_RGBA) + fprintf(file, "%2d ", pfd.cGreenBits); + else fprintf(file, " . "); + if(pfd.cBlueBits && pfd.iPixelType == PFD_TYPE_RGBA) + fprintf(file, "%2d ", pfd.cBlueBits); + else fprintf(file, " . "); + if(pfd.cAlphaBits && pfd.iPixelType == PFD_TYPE_RGBA) + fprintf(file, "%2d ", pfd.cAlphaBits); + else fprintf(file, " . "); + if(pfd.cAuxBuffers) fprintf(file, "%2d ", pfd.cAuxBuffers); + else fprintf(file, " . "); + if(pfd.cDepthBits) fprintf(file, "%2d ", pfd.cDepthBits); + else fprintf(file, " . "); + if(pfd.cStencilBits) fprintf(file, "%2d ", pfd.cStencilBits); + else fprintf(file, " . "); + if(pfd.cAccumBits) fprintf(file, "%3d ", pfd.cAccumBits); + else fprintf(file, " . "); + if(pfd.cAccumRedBits) fprintf(file, "%2d ", pfd.cAccumRedBits); + else fprintf(file, " . "); + if(pfd.cAccumGreenBits) fprintf(file, "%2d ", pfd.cAccumGreenBits); + else fprintf(file, " . "); + if(pfd.cAccumBlueBits) fprintf(file, "%2d ", pfd.cAccumBlueBits); + else fprintf(file, " . "); + if(pfd.cAccumAlphaBits) fprintf(file, "%2d ", pfd.cAccumAlphaBits); + else fprintf(file, " . "); + /* no multisample in win32 */ + fprintf(file, " . .\n"); + } + /* print table footer */ + fprintf(file, "-----------------------------------------------------------------------------\n"); + fprintf(file, " visual x bf lv rg d st ge ge r g b a ax dp st accum buffs ms \n"); + fprintf(file, " id dep tp sp sz l ci b ro ne ac sz sz sz sz bf th cl sz r g b a ns b\n"); + fprintf(file, "-----------------------------------------------------------------------------\n"); + } + else /* verbose */ + { + fprintf(file, "\n"); + /* loop through all the pixel formats */ + for(i = 1; i <= maxpf; i++) + { + DescribePixelFormat(ctx->dc, i, sizeof(PIXELFORMATDESCRIPTOR), &pfd); + /* only describe this format if it supports OpenGL */ + if(!(pfd.dwFlags & PFD_SUPPORT_OPENGL) + || (drawableonly && !(pfd.dwFlags & PFD_DRAW_TO_WINDOW))) continue; + fprintf(file, "Visual ID: %2d depth=%d class=%s\n", i, pfd.cDepthBits, + pfd.cColorBits <= 8 ? "PseudoColor" : "TrueColor"); + fprintf(file, " bufferSize=%d level=%d renderType=%s doubleBuffer=%ld stereo=%ld\n", pfd.cColorBits, pfd.bReserved, pfd.iPixelType == PFD_TYPE_RGBA ? "rgba" : "ci", pfd.dwFlags & PFD_DOUBLEBUFFER, pfd.dwFlags & PFD_STEREO); + fprintf(file, " generic=%d generic accelerated=%d\n", (pfd.dwFlags & PFD_GENERIC_FORMAT) == PFD_GENERIC_FORMAT, (pfd.dwFlags & PFD_GENERIC_ACCELERATED) == PFD_GENERIC_ACCELERATED); + fprintf(file, " rgba: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n", pfd.cRedBits, pfd.cGreenBits, pfd.cBlueBits, pfd.cAlphaBits); + fprintf(file, " auxBuffers=%d depthSize=%d stencilSize=%d\n", pfd.cAuxBuffers, pfd.cDepthBits, pfd.cStencilBits); + fprintf(file, " accum: redSize=%d greenSize=%d blueSize=%d alphaSize=%d\n", pfd.cAccumRedBits, pfd.cAccumGreenBits, pfd.cAccumBlueBits, pfd.cAccumAlphaBits); + fprintf(file, " multiSample=%d multisampleBuffers=%d\n", 0, 0); + fprintf(file, " Opaque.\n"); + } + } +} + +void +VisualInfo (GLContext* ctx) +{ + if (WGLEW_ARB_pixel_format) + VisualInfoARB(ctx); + else + VisualInfoGDI(ctx); +} + +/* ---------------------------------------------------------------------- */ + +#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX) + +void +VisualInfo (GLContext* __attribute__((__unused__)) ctx) +{ +/* + int attrib[] = { AGL_RGBA, AGL_NONE }; + AGLPixelFormat pf; + GLint value; + pf = aglChoosePixelFormat(NULL, 0, attrib); + while (pf != NULL) + { + aglDescribePixelFormat(pf, GL_RGBA, &value); + fprintf(stderr, "%d\n", value); + pf = aglNextPixelFormat(pf); + } +*/ +} + +/* ---------------------------------------------------------------------- */ + +#elif defined(__HAIKU__) + +void +VisualInfo (GLContext* ctx) +{ + /* TODO */ +} + +#else /* GLX */ + +void +VisualInfo (GLContext* ctx) +{ + int n_fbc; + GLXFBConfig* fbc; + int value, ret, i; + + fbc = glXGetFBConfigs(ctx->dpy, DefaultScreen(ctx->dpy), &n_fbc); + + if (fbc) + { + if (!verbose) + { + /* print table header */ + fprintf(file, " +-----+-------------------------+-----------------+----------+-------------+-------+------+\n"); + fprintf(file, " | | visual | color | ax dp st | accum | ms | cav |\n"); + fprintf(file, " | id | tp xr cl fm db st lv xp | sz r g b a | bf th cl | r g b a | ns b | eat |\n"); + fprintf(file, " +-----+-------------------------+-----------------+----------+-------------+-------+------+\n"); + /* loop through all the fbcs */ + for (i=0; i<n_fbc; i++) + { + /* print out the information for this fbc */ + /* visual id */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_FBCONFIG_ID, &value); + if (ret != Success) + { + fprintf(file, "| ? |"); + } + else + { + fprintf(file, " |% 4d | ", value); + } + /* visual type */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_DRAWABLE_TYPE, &value); + if (ret != Success) + { + fprintf(file, " ? "); + } + else + { + if (value & GLX_WINDOW_BIT) + { + if (value & GLX_PBUFFER_BIT) + { + fprintf(file, "wp "); + } + else + { + fprintf(file, "wn "); + } + } + else + { + if (value & GLX_PBUFFER_BIT) + { + fprintf(file, "pb "); + } + else if (value & GLX_PIXMAP_BIT) + { + fprintf(file, "pm "); + } + else + { + fprintf(file, " ? "); + } + } + } + /* x renderable */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_X_RENDERABLE, &value); + if (ret != Success) + { + fprintf(file, " ? "); + } + else + { + fprintf(file, value ? " y " : " n "); + } + /* class */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_X_VISUAL_TYPE, &value); + if (ret != Success) + { + fprintf(file, " ? "); + } + else + { + if (GLX_TRUE_COLOR == value) + fprintf(file, "tc "); + else if (GLX_DIRECT_COLOR == value) + fprintf(file, "dc "); + else if (GLX_PSEUDO_COLOR == value) + fprintf(file, "pc "); + else if (GLX_STATIC_COLOR == value) + fprintf(file, "sc "); + else if (GLX_GRAY_SCALE == value) + fprintf(file, "gs "); + else if (GLX_STATIC_GRAY == value) + fprintf(file, "sg "); + else if (GLX_X_VISUAL_TYPE == value) + fprintf(file, " . "); + else + fprintf(file, " ? "); + } + /* format */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_RENDER_TYPE, &value); + if (ret != Success) + { + fprintf(file, " ? "); + } + else + { + if (GLXEW_NV_float_buffer) + { + int ret2, value2; + ret2 = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_FLOAT_COMPONENTS_NV, &value2); + if (Success == ret2 && GL_TRUE == value2) + { + fprintf(file, " f "); + } + else if (value & GLX_RGBA_BIT) + fprintf(file, " i "); + else if (value & GLX_COLOR_INDEX_BIT) + fprintf(file, " c "); + else + fprintf(file, " ? "); + } + else + { + if (value & GLX_RGBA_FLOAT_ATI_BIT) + fprintf(file, " f "); + else if (value & GLX_RGBA_BIT) + fprintf(file, " i "); + else if (value & GLX_COLOR_INDEX_BIT) + fprintf(file, " c "); + else + fprintf(file, " ? "); + } + } + /* double buffer */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_DOUBLEBUFFER, &value); + fprintf(file, " %c ", Success != ret ? '?' : (value ? 'y' : '.')); + /* stereo */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_STEREO, &value); + fprintf(file, " %c ", Success != ret ? '?' : (value ? 'y' : '.')); + /* level */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_LEVEL, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + fprintf(file, "%2d ", value); + } + /* transparency */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_TRANSPARENT_TYPE, &value); + if (Success != ret) + { + fprintf(file, " ? | "); + } + else + { + if (GLX_TRANSPARENT_RGB == value) + fprintf(file, " r | "); + else if (GLX_TRANSPARENT_INDEX == value) + fprintf(file, " i | "); + else if (GLX_NONE == value) + fprintf(file, " . | "); + else + fprintf(file, " ? | "); + } + /* color size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_BUFFER_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%3d ", value); + else + fprintf(file, " . "); + } + /* red size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_RED_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* green size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_GREEN_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* blue size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_BLUE_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* alpha size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_ALPHA_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? | "); + } + else + { + if (value) + fprintf(file, "%2d | ", value); + else + fprintf(file, " . | "); + } + /* aux buffers */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_AUX_BUFFERS, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* depth size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_DEPTH_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* stencil size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_STENCIL_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? | "); + } + else + { + if (value) + fprintf(file, "%2d | ", value); + else + fprintf(file, " . | "); + } + /* accum red size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_ACCUM_RED_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* accum green size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_ACCUM_GREEN_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* accum blue size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_ACCUM_BLUE_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + if (value) + fprintf(file, "%2d ", value); + else + fprintf(file, " . "); + } + /* accum alpha size */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_ACCUM_ALPHA_SIZE, &value); + if (Success != ret) + { + fprintf(file, " ? | "); + } + else + { + if (value) + fprintf(file, "%2d | ", value); + else + fprintf(file, " . | "); + } + /* multisample */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_SAMPLES, &value); + if (Success != ret) + { + fprintf(file, " ? "); + } + else + { + fprintf(file, "%2d ", value); + } + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_SAMPLE_BUFFERS, &value); + if (Success != ret) + { + fprintf(file, " ? | "); + } + else + { + fprintf(file, "%2d | ", value); + } + /* caveat */ + ret = glXGetFBConfigAttrib(ctx->dpy, fbc[i], GLX_CONFIG_CAVEAT, &value); + if (Success != ret) + { + fprintf(file, "???? |"); + } + else + { + if (GLX_NONE == value) + fprintf(file, "none |\n"); + else if (GLX_SLOW_CONFIG == value) + fprintf(file, "slow |\n"); + else if (GLX_NON_CONFORMANT_CONFIG == value) + fprintf(file, "ncft |\n"); + else + fprintf(file, "???? |\n"); + } + } + /* print table footer */ + fprintf(file, " +-----+-------------------------+-----------------+----------+-------------+-------+------+\n"); + fprintf(file, " | id | tp xr cl fm db st lv xp | sz r g b a | bf th cl | r g b a | ns b | eat |\n"); + fprintf(file, " | | visual | color | ax dp st | accum | ms | cav |\n"); + fprintf(file, " +-----+-------------------------+-----------------+----------+-------------+-------+------+\n"); + } + } +} + +#endif + +/* ------------------------------------------------------------------------ */ + +#if defined(_WIN32) + +void InitContext (GLContext* ctx) +{ + ctx->wnd = NULL; + ctx->dc = NULL; + ctx->rc = NULL; +} + +GLboolean CreateContext (GLContext* ctx) +{ + WNDCLASS wc; + PIXELFORMATDESCRIPTOR pfd; + /* check for input */ + if (NULL == ctx) return GL_TRUE; + /* register window class */ + ZeroMemory(&wc, sizeof(WNDCLASS)); + wc.hInstance = GetModuleHandle(NULL); + wc.lpfnWndProc = DefWindowProc; + wc.lpszClassName = "GLEW"; + if (0 == RegisterClass(&wc)) return GL_TRUE; + /* create window */ + ctx->wnd = CreateWindow("GLEW", "GLEW", 0, CW_USEDEFAULT, CW_USEDEFAULT, + CW_USEDEFAULT, CW_USEDEFAULT, NULL, NULL, + GetModuleHandle(NULL), NULL); + if (NULL == ctx->wnd) return GL_TRUE; + /* get the device context */ + ctx->dc = GetDC(ctx->wnd); + if (NULL == ctx->dc) return GL_TRUE; + /* find pixel format */ + ZeroMemory(&pfd, sizeof(PIXELFORMATDESCRIPTOR)); + if (visual == -1) /* find default */ + { + pfd.nSize = sizeof(PIXELFORMATDESCRIPTOR); + pfd.nVersion = 1; + pfd.dwFlags = PFD_DRAW_TO_WINDOW | PFD_SUPPORT_OPENGL; + visual = ChoosePixelFormat(ctx->dc, &pfd); + if (0 == visual) return GL_TRUE; + } + /* set the pixel format for the dc */ + if (FALSE == SetPixelFormat(ctx->dc, visual, &pfd)) return GL_TRUE; + /* create rendering context */ + ctx->rc = wglCreateContext(ctx->dc); + if (NULL == ctx->rc) return GL_TRUE; + if (FALSE == wglMakeCurrent(ctx->dc, ctx->rc)) return GL_TRUE; + return GL_FALSE; +} + +void DestroyContext (GLContext* ctx) +{ + if (NULL == ctx) return; + if (NULL != ctx->rc) wglMakeCurrent(NULL, NULL); + if (NULL != ctx->rc) wglDeleteContext(wglGetCurrentContext()); + if (NULL != ctx->wnd && NULL != ctx->dc) ReleaseDC(ctx->wnd, ctx->dc); + if (NULL != ctx->wnd) DestroyWindow(ctx->wnd); + UnregisterClass("GLEW", GetModuleHandle(NULL)); +} + +/* ------------------------------------------------------------------------ */ + +#elif defined(__APPLE__) && !defined(GLEW_APPLE_GLX) + +void InitContext (GLContext* ctx) +{ + ctx->ctx = NULL; + ctx->octx = NULL; +} + +GLboolean CreateContext (GLContext* ctx) +{ + CGLPixelFormatAttribute attrib[] = { kCGLPFAAccelerated, 0 }; + CGLPixelFormatObj pf; + GLint npix; + CGLError error; + /* check input */ + if (NULL == ctx) return GL_TRUE; + error = CGLChoosePixelFormat(attrib, &pf, &npix); + if (error) return GL_TRUE; + error = CGLCreateContext(pf, NULL, &ctx->ctx); + if (error) return GL_TRUE; + CGLReleasePixelFormat(pf); + ctx->octx = CGLGetCurrentContext(); + error = CGLSetCurrentContext(ctx->ctx); + if (error) return GL_TRUE; + return GL_FALSE; +} + +void DestroyContext (GLContext* ctx) +{ + if (NULL == ctx) return; + CGLSetCurrentContext(ctx->octx); + if (NULL != ctx->ctx) CGLReleaseContext(ctx->ctx); +} + +/* ------------------------------------------------------------------------ */ + +#elif defined(__HAIKU__) + +void +InitContext (GLContext* ctx) +{ + /* TODO */ +} + +GLboolean +CreateContext (GLContext* ctx) +{ + /* TODO */ + return GL_FALSE; +} + +void +DestroyContext (GLContext* ctx) +{ + /* TODO */ +} + +/* ------------------------------------------------------------------------ */ + +#else /* __UNIX || (__APPLE__ && GLEW_APPLE_GLX) */ + +void InitContext (GLContext* ctx) +{ + ctx->dpy = NULL; + ctx->vi = NULL; + ctx->ctx = NULL; + ctx->wnd = 0; + ctx->cmap = 0; +} + +GLboolean CreateContext (GLContext* ctx) +{ + int attrib[] = { GLX_RGBA, GLX_DOUBLEBUFFER, None }; + int erb, evb; + XSetWindowAttributes swa; + /* check input */ + if (NULL == ctx) return GL_TRUE; + /* open display */ + ctx->dpy = XOpenDisplay(display); + if (NULL == ctx->dpy) return GL_TRUE; + /* query for glx */ + if (!glXQueryExtension(ctx->dpy, &erb, &evb)) return GL_TRUE; + /* choose visual */ + ctx->vi = glXChooseVisual(ctx->dpy, DefaultScreen(ctx->dpy), attrib); + if (NULL == ctx->vi) return GL_TRUE; + /* create context */ + ctx->ctx = glXCreateContext(ctx->dpy, ctx->vi, None, True); + if (NULL == ctx->ctx) return GL_TRUE; + /* create window */ + /*wnd = XCreateSimpleWindow(dpy, RootWindow(dpy, vi->screen), 0, 0, 1, 1, 1, 0, 0);*/ + ctx->cmap = XCreateColormap(ctx->dpy, RootWindow(ctx->dpy, ctx->vi->screen), + ctx->vi->visual, AllocNone); + swa.border_pixel = 0; + swa.colormap = ctx->cmap; + ctx->wnd = XCreateWindow(ctx->dpy, RootWindow(ctx->dpy, ctx->vi->screen), + 0, 0, 1, 1, 0, ctx->vi->depth, InputOutput, ctx->vi->visual, + CWBorderPixel | CWColormap, &swa); + /* make context current */ + if (!glXMakeCurrent(ctx->dpy, ctx->wnd, ctx->ctx)) return GL_TRUE; + return GL_FALSE; +} + +void DestroyContext (GLContext* ctx) +{ + if (NULL != ctx->dpy && NULL != ctx->ctx) glXDestroyContext(ctx->dpy, ctx->ctx); + if (NULL != ctx->dpy && 0 != ctx->wnd) XDestroyWindow(ctx->dpy, ctx->wnd); + if (NULL != ctx->dpy && 0 != ctx->cmap) XFreeColormap(ctx->dpy, ctx->cmap); + if (NULL != ctx->vi) XFree(ctx->vi); + if (NULL != ctx->dpy) XCloseDisplay(ctx->dpy); +} + +#endif /* __UNIX || (__APPLE__ && GLEW_APPLE_GLX) */ + +GLboolean ParseArgs (int argc, char** argv) +{ + int p = 0; + while (p < argc) + { +#if defined(_WIN32) + if (!strcmp(argv[p], "-pf") || !strcmp(argv[p], "-pixelformat")) + { + if (++p >= argc) return GL_TRUE; + display = NULL; + visual = strtol(argv[p], NULL, 0); + } + else if (!strcmp(argv[p], "-a")) + { + showall = 1; + } + else if (!strcmp(argv[p], "-s")) + { + displaystdout = 1; + } + else if (!strcmp(argv[p], "-h")) + { + return GL_TRUE; + } + else + return GL_TRUE; +#else + if (!strcmp(argv[p], "-display")) + { + if (++p >= argc) return GL_TRUE; + display = argv[p]; + } + else if (!strcmp(argv[p], "-visual")) + { + if (++p >= argc) return GL_TRUE; + visual = (int)strtol(argv[p], NULL, 0); + } + else if (!strcmp(argv[p], "-h")) + { + return GL_TRUE; + } + else + return GL_TRUE; +#endif + p++; + } + return GL_FALSE; +} |