From: José Fonseca Date: Sun, 23 Aug 2009 05:18:28 +0000 (+0100) Subject: llvmpipe: Structure manipulation helpers. X-Git-Url: https://git.libre-soc.org/?a=commitdiff_plain;h=8c7c108d712f17a5f307b9c8914b4abc4d5f148e;p=mesa.git llvmpipe: Structure manipulation helpers. --- diff --git a/src/gallium/drivers/llvmpipe/Makefile b/src/gallium/drivers/llvmpipe/Makefile index 5603f06b390..ca0a8bf6195 100644 --- a/src/gallium/drivers/llvmpipe/Makefile +++ b/src/gallium/drivers/llvmpipe/Makefile @@ -21,6 +21,7 @@ C_SOURCES = \ lp_bld_store.c \ lp_bld_logic.c \ lp_bld_swizzle.c \ + lp_bld_struct.c \ lp_bld_tgsi_soa.c \ lp_bld_type.c \ lp_clear.c \ diff --git a/src/gallium/drivers/llvmpipe/SConscript b/src/gallium/drivers/llvmpipe/SConscript index ed23660a688..10ead09eec3 100644 --- a/src/gallium/drivers/llvmpipe/SConscript +++ b/src/gallium/drivers/llvmpipe/SConscript @@ -23,6 +23,7 @@ llvmpipe = env.ConvenienceLibrary( 'lp_bld_unpack.c', 'lp_bld_load.c', 'lp_bld_store.c', + 'lp_bld_struct.c', 'lp_bld_logic.c', 'lp_bld_swizzle.c', 'lp_bld_tgsi_soa.c', diff --git a/src/gallium/drivers/llvmpipe/lp_bld_struct.c b/src/gallium/drivers/llvmpipe/lp_bld_struct.c new file mode 100644 index 00000000000..4877c4d3f72 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_bld_struct.c @@ -0,0 +1,54 @@ +/************************************************************************** + * + * Copyright 2009 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. + * + **************************************************************************/ + + +/** + * @file + * Helper functions for manipulation structures. + * + * @author Jose Fonseca + */ + + +#include "util/u_debug.h" +#include "util/u_memory.h" + +#include "lp_bld_struct.h" + + +LLVMValueRef +lp_build_struct_get(LLVMBuilderRef builder, + LLVMValueRef ptr, + unsigned member, + const char *name) +{ + LLVMValueRef indices[2]; + indices[0] = LLVMConstInt(LLVMInt32Type(), 0, 0); + indices[1] = LLVMConstInt(LLVMInt32Type(), member, 0); + ptr = LLVMBuildGEP(builder, ptr, indices, Elements(indices), ""); + return LLVMBuildLoad(builder, ptr, name); +} diff --git a/src/gallium/drivers/llvmpipe/lp_bld_struct.h b/src/gallium/drivers/llvmpipe/lp_bld_struct.h new file mode 100644 index 00000000000..cbefdc9f815 --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_bld_struct.h @@ -0,0 +1,63 @@ +/************************************************************************** + * + * Copyright 2009 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. + * + **************************************************************************/ + +/** + * @file + * Helper functions for type conversions. + * + * @author Jose Fonseca + */ + + +#ifndef LP_BLD_STRUCT_H +#define LP_BLD_STRUCT_H + + +#include +#include + +#include "util/u_debug.h" +#include "util/u_memory.h" + + +#define LP_CHECK_STRUCT_SIZE(_ctype, _ltarget, _ltype) \ + assert(LLVMABISizeOfType(_ltarget, _ltype) == \ + sizeof(_ctype)) + +#define LP_CHECK_MEMBER_OFFSET(_ctype, _cmember, _ltarget, _ltype, _lindex) \ + assert(LLVMOffsetOfElement(_ltarget, _ltype, _lindex) == \ + offsetof(_ctype, _cmember)) + + +LLVMValueRef +lp_build_struct_get(LLVMBuilderRef builder, + LLVMValueRef ptr, + unsigned member, + const char *name); + + +#endif /* !LP_BLD_STRUCT_H */