diff options
Diffstat (limited to 'indra/llwindow/GL/glh_extensions.h')
| -rw-r--r-- | indra/llwindow/GL/glh_extensions.h | 211 |
1 files changed, 0 insertions, 211 deletions
diff --git a/indra/llwindow/GL/glh_extensions.h b/indra/llwindow/GL/glh_extensions.h deleted file mode 100644 index 554cb1731f..0000000000 --- a/indra/llwindow/GL/glh_extensions.h +++ /dev/null @@ -1,211 +0,0 @@ -/* - * glh_extensions.h - * $LicenseInfo:firstyear=2006&license=mit$ (mit used here to satisfy validity checker) - * Copyright (C) 2006, NVIDIA - * From nVidia Corporation, downloaded 2006-12-18 from: - * http://developer.nvidia.com/attach/8196 - * ("NVParse Library with Source (.zip) (2390 KB)") - * - * License (quoted from license_info.txt in aforementioned file): - * "The files bison.exe, bison.simple, and flex.exe are covered by - * the GPL. All other files in this distribution can be used however - * you want." - * $/LicenseInfo$ - - */ - -#ifndef GLH_EXTENSIONS -#define GLH_EXTENSIONS - -#include <string.h> -#include <stdio.h> - -#ifdef _WIN32 -# include <windows.h> -#endif - -#ifndef __APPLE__ -#include <GL/gl.h> -#endif - -#ifdef _WIN32 -# include "GL/wglext.h" -#endif - -#define CHECK_MEMORY(ptr) \ - if (NULL == ptr) { \ - printf("Error allocating memory in file %s, line %d\n", __FILE__, __LINE__); \ - exit(-1); \ - } - -#ifdef GLH_EXT_SINGLE_FILE -# define GLH_EXTENSIONS_SINGLE_FILE // have to do this because glh_genext.h unsets GLH_EXT_SINGLE_FILE -#endif - -#include "glh_genext.h" - -#ifdef __cplusplus -extern "C" { -#endif - -#ifdef GLH_EXTENSIONS_SINGLE_FILE - -class GLHExts -{ -public: - GLHExts() - { - mSysExts = NULL; -// mUnsupportedExts = NULL; - } - ~GLHExts() - { - if (mSysExts) - { - free(mSysExts); - } -// if (mUnsupportedExts) -// { -// free(mUnsupportedExts); -// } - } - char *mSysExts; -// char *mUnsupportedExts; -}; - -GLHExts gGLHExts; - -static int ExtensionExists(const char* extName, const char* sysExts) -{ - char *padExtName = (char*)malloc(strlen(extName) + 2); - strcat(strcpy(padExtName, extName), " "); - - if (0 == strcmp(extName, "GL_VERSION_1_2")) { - const char *version = (const char*)glGetString(GL_VERSION); - if (strstr(version, "1.0") == version || strstr(version, "1.1") == version) { - return FALSE; - } else { - return TRUE; - } - } - if (strstr(sysExts, padExtName)) { - free(padExtName); - return TRUE; - } else { - free(padExtName); - return FALSE; - } -} - -static const char* EatWhiteSpace(const char *str) -{ - for (; *str && (' ' == *str || '\t' == *str || '\n' == *str); str++); - return str; -} - -static const char* EatNonWhiteSpace(const char *str) -{ - for (; *str && (' ' != *str && '\t' != *str && '\n' != *str); str++); - return str; -} - - -int glh_init_extensions(const char *origReqExts) -{ - // Length of requested extensions string - //unsigned reqExtsLen; - char *reqExts; - // Ptr for individual extensions within reqExts - char *reqExt; - int success = TRUE; - - // build space-padded extension string - if (NULL == gGLHExts.mSysExts) { - const char *extensions = (const char*)glGetString(GL_EXTENSIONS); - int sysExtsLen = (int)strlen(extensions); - const char *winsys_extensions = 0; - int winsysExtsLen = 0; -#ifdef _WIN32 - { - PFNWGLGETEXTENSIONSSTRINGARBPROC wglGetExtensionsStringARB = 0; - wglGetExtensionsStringARB = (PFNWGLGETEXTENSIONSSTRINGARBPROC)wglGetProcAddress("wglGetExtensionsStringARB"); - if(wglGetExtensionsStringARB) - { - winsys_extensions = wglGetExtensionsStringARB(wglGetCurrentDC()); - winsysExtsLen = (S32)strlen(winsys_extensions); - } - } -#endif - // Add 2 bytes, one for padding space, one for terminating NULL - gGLHExts.mSysExts = (char*)malloc(sysExtsLen + winsysExtsLen + 3); - CHECK_MEMORY(gGLHExts.mSysExts); - strcpy(gGLHExts.mSysExts, extensions); - gGLHExts.mSysExts[sysExtsLen] = ' '; - gGLHExts.mSysExts[sysExtsLen + 1] = 0; - if (winsysExtsLen) - { - strcat(gGLHExts.mSysExts, winsys_extensions); - } - gGLHExts.mSysExts[sysExtsLen + 1 + winsysExtsLen] = ' '; - gGLHExts.mSysExts[sysExtsLen + 1 + winsysExtsLen + 1] = 0; - } - - if (NULL == origReqExts) - { - return TRUE; - } - reqExts = strdup(origReqExts); - /* - reqExtsLen = (S32)strlen(reqExts); - if (NULL == gGLHExts.mUnsupportedExts) - { - gGLHExts.mUnsupportedExts = (char*)malloc(reqExtsLen + 1); - } - else if (reqExtsLen > strlen(gGLHExts.mUnsupportedExts)) - { - gGLHExts.mUnsupportedExts = (char*)realloc(gGLHExts.mUnsupportedExts, reqExtsLen + 1); - } - CHECK_MEMORY(gGLHExts.mUnsupportedExts); - *gGLHExts.mUnsupportedExts = 0; - */ - - // Parse requested extension list - for (reqExt = reqExts; - (reqExt = (char*)EatWhiteSpace(reqExt)) && *reqExt; - reqExt = (char*)EatNonWhiteSpace(reqExt)) - { - char *extEnd = (char*)EatNonWhiteSpace(reqExt); - char saveChar = *extEnd; - *extEnd = (char)0; - - if (!ExtensionExists(reqExt, gGLHExts.mSysExts) || - !glh_init_extension(reqExt)) { - /* - // add reqExt to end of unsupportedExts - strcat(gGLHExts.mUnsupportedExts, reqExt); - strcat(gGLHExts.mUnsupportedExts, " "); - */ - success = FALSE; - } - *extEnd = saveChar; - } - free(reqExts); - return success; -} - -const char* glh_get_unsupported_extensions() -{ - return ""; -// return (const char*)gGLHExts.mUnsupportedExts; -} - -#else -int glh_init_extensions(const char *origReqExts); -const char* glh_get_unsupported_extensions(); -#endif /* GLH_EXT_SINGLE_FILE */ - -#ifdef __cplusplus -} -#endif - -#endif /* GLH_EXTENSIONS */ |