/* * Mesa 3-D graphics library * * Copyright (C) 1999-2004 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 OR COPYRIGHT HOLDERS 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. */ /** * \file glapi_dispatch.c * * This file generates all the gl* function entrypoints. This code is not * used if optimized assembly stubs are available (e.g., using * glapi/glapi_x86.S on IA32 or glapi/glapi_sparc.S on SPARC). * * \note * This file is also used to build the client-side libGL that loads DRI-based * device drivers. At build-time it is symlinked to src/glx. * * \author Brian Paul */ #include "glapi/glapi_priv.h" #include "glapitable.h" #if !(defined(USE_X86_ASM) || defined(USE_X86_64_ASM) || defined(USE_SPARC_ASM)) #if defined(_WIN32) #define KEYWORD1 GLAPI #else #define KEYWORD1 PUBLIC #endif #define KEYWORD2 GLAPIENTRY #define NAME(func) gl##func #if 0 /* Use this to log GL calls to stdout (for debug only!) */ #define F stdout #define DISPATCH(FUNC, ARGS, MESSAGE) \ fprintf MESSAGE; \ GET_DISPATCH()->FUNC ARGS #define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \ fprintf MESSAGE; \ return GET_DISPATCH()->FUNC ARGS #else #define DISPATCH(FUNC, ARGS, MESSAGE) \ GET_DISPATCH()->FUNC ARGS #define RETURN_DISPATCH(FUNC, ARGS, MESSAGE) \ return GET_DISPATCH()->FUNC ARGS #endif /* logging */ /* Enable frame pointer elimination on Windows, otherwise forgetting to add * GLAPIENTRY to _mesa_* entrypoints will not cause crashes on debug builds, as * the initial ESP value is saved in the EBP in the function prologue, then * restored on the epilogue, clobbering any corruption in the ESP pointer due * to mismatch in the callee calling convention. * * On MSVC it's not sufficient to enable /Oy -- other optimizations must be * enabled or frame pointer will be used regardless. * * We don't do this when NDEBUG is defined since, frame pointer omission * optimization compiler flag are already specified on release builds, and * because on profile builds we must have frame pointers or certain profilers * might fail to unwind the stack. */ #if defined(_WIN32) && !defined(NDEBUG) # if defined(_MSC_VER) # pragma optimize( "gty", on ) # elif defined(__GNUC__) # pragma GCC optimize ("omit-frame-pointer") # endif #endif #include "glapitemp.h" #endif /* USE_X86_ASM */