Module: Mesa Branch: master Commit: 3b1a8d9d5ba286da568b4176ed533a7dde60ad18 URL: http://cgit.freedesktop.org/mesa/mesa/commit/?id=3b1a8d9d5ba286da568b4176ed533a7dde60ad18
Author: Chris Li <[email protected]> Date: Fri Mar 26 10:23:03 2010 -0700 gallivm: added lp_bld_printf() function --- src/gallium/auxiliary/Makefile | 1 + src/gallium/auxiliary/SConscript | 1 + src/gallium/auxiliary/gallivm/lp_bld_printf.c | 109 +++++++++++++++++++++++++ src/gallium/auxiliary/gallivm/lp_bld_printf.h | 39 +++++++++ 4 files changed, 150 insertions(+), 0 deletions(-) diff --git a/src/gallium/auxiliary/Makefile b/src/gallium/auxiliary/Makefile index e1c3bc4..452eceb 100644 --- a/src/gallium/auxiliary/Makefile +++ b/src/gallium/auxiliary/Makefile @@ -155,6 +155,7 @@ GALLIVM_SOURCES = \ gallivm/lp_bld_intr.c \ gallivm/lp_bld_logic.c \ gallivm/lp_bld_pack.c \ + gallivm/lp_bld_printf.c \ gallivm/lp_bld_sample.c \ gallivm/lp_bld_sample_soa.c \ gallivm/lp_bld_struct.c \ diff --git a/src/gallium/auxiliary/SConscript b/src/gallium/auxiliary/SConscript index 65e1dc8..0a23da4 100644 --- a/src/gallium/auxiliary/SConscript +++ b/src/gallium/auxiliary/SConscript @@ -200,6 +200,7 @@ if drawllvm: 'gallivm/lp_bld_logic.c', 'gallivm/lp_bld_init.cpp', 'gallivm/lp_bld_pack.c', + 'gallivm/lp_bld_printf.c', 'gallivm/lp_bld_sample.c', 'gallivm/lp_bld_sample_soa.c', 'gallivm/lp_bld_struct.c', diff --git a/src/gallium/auxiliary/gallivm/lp_bld_printf.c b/src/gallium/auxiliary/gallivm/lp_bld_printf.c new file mode 100644 index 0000000..ae4d400 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_printf.c @@ -0,0 +1,109 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#include <stdio.h> + +#include "lp_bld_printf.h" + + +static int +lp_get_printf_arg_count(const char *fmt) +{ + int count =0; + const char *p = fmt; + int c; + + while ((c = *p++)) { + if (c != '%') + continue; + switch (*p) { + case '\0': + continue; + case '%': + p++; + continue; + case '.': + if (p[1] == '*' && p[2] == 's') { + count += 2; + p += 3; + continue; + } + default: + count ++; + } + } + return count; +} + +LLVMValueRef +lp_build_const_string_variable(LLVMModuleRef module, const char *str, int len) +{ + LLVMValueRef string = LLVMAddGlobal(module, LLVMArrayType(LLVMInt8Type(), len + 1), ""); + LLVMSetGlobalConstant(string, TRUE); + LLVMSetLinkage(string, LLVMInternalLinkage); + LLVMSetInitializer(string, LLVMConstString(str, len + 1, TRUE)); + return string; +} + + +/** + * lp_build_printf. + * + * Build printf call in LLVM IR. The output goes to stdout. + * The additional variable arguments need to have type + * LLVMValueRef. + */ +LLVMValueRef +lp_build_printf(LLVMBuilderRef builder, const char *fmt, ...) +{ + va_list arglist; + int i = 0; + int argcount = lp_get_printf_arg_count(fmt); + LLVMModuleRef module = LLVMGetGlobalParent(LLVMGetBasicBlockParent(LLVMGetInsertBlock(builder))); + LLVMValueRef params[argcount + 1]; + LLVMValueRef fmtarg = lp_build_const_string_variable(module, fmt, strlen(fmt) + 1); + LLVMValueRef int0 = LLVMConstInt(LLVMInt32Type(), 0, 0); + LLVMValueRef index[2]; + LLVMValueRef func_printf = LLVMGetNamedFunction(module, "printf"); + + index[0] = index[1] = int0; + + if (!func_printf) { + LLVMTypeRef printf_type = LLVMFunctionType(LLVMIntType(32), NULL, 0, 1); + func_printf = LLVMAddFunction(module, "printf", printf_type); + } + + params[0] = LLVMBuildGEP(builder, fmtarg, index, 2, ""); + + va_start(arglist, fmt); + for (i = 1; i <= argcount; i++) + params[i] = va_arg(arglist, LLVMValueRef); + va_end(arglist); + + return LLVMBuildCall(builder, func_printf, params, argcount + 1, ""); +} + diff --git a/src/gallium/auxiliary/gallivm/lp_bld_printf.h b/src/gallium/auxiliary/gallivm/lp_bld_printf.h new file mode 100644 index 0000000..83bd8f1 --- /dev/null +++ b/src/gallium/auxiliary/gallivm/lp_bld_printf.h @@ -0,0 +1,39 @@ +/************************************************************************** + * + * Copyright 2010 VMware, Inc. + * 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, sub license, 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 (including the + * next paragraph) 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 NON-INFRINGEMENT. + * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS 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. + * + **************************************************************************/ + +#ifndef LP_BLD_PRINTF_H +#define LP_BLD_PRINTF_H + + +#include "pipe/p_compiler.h" +#include "lp_bld.h" + +LLVMValueRef lp_build_const_string_variable(LLVMModuleRef module, const char *str, int len); +LLVMValueRef lp_build_printf(LLVMBuilderRef builder, const char *fmt, ...); + +#endif + _______________________________________________ mesa-commit mailing list [email protected] http://lists.freedesktop.org/mailman/listinfo/mesa-commit
