| /************************************************************************** |
| * |
| * 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 |
| * Blend LLVM IR generation -- logic ops. |
| * |
| * @author Jose Fonseca <jfonseca@vmware.com> |
| */ |
| |
| |
| #include "pipe/p_state.h" |
| #include "util/u_debug.h" |
| |
| #include "lp_bld_blend.h" |
| |
| |
| LLVMValueRef |
| lp_build_logicop(LLVMBuilderRef builder, |
| unsigned logicop_func, |
| LLVMValueRef src, |
| LLVMValueRef dst) |
| { |
| LLVMTypeRef type; |
| LLVMValueRef res; |
| |
| type = LLVMTypeOf(src); |
| |
| switch (logicop_func) { |
| case PIPE_LOGICOP_CLEAR: |
| res = LLVMConstNull(type); |
| break; |
| case PIPE_LOGICOP_NOR: |
| res = LLVMBuildNot(builder, LLVMBuildOr(builder, src, dst, ""), ""); |
| break; |
| case PIPE_LOGICOP_AND_INVERTED: |
| res = LLVMBuildAnd(builder, LLVMBuildNot(builder, src, ""), dst, ""); |
| break; |
| case PIPE_LOGICOP_COPY_INVERTED: |
| res = LLVMBuildNot(builder, src, ""); |
| break; |
| case PIPE_LOGICOP_AND_REVERSE: |
| res = LLVMBuildAnd(builder, src, LLVMBuildNot(builder, dst, ""), ""); |
| break; |
| case PIPE_LOGICOP_INVERT: |
| res = LLVMBuildNot(builder, dst, ""); |
| break; |
| case PIPE_LOGICOP_XOR: |
| res = LLVMBuildXor(builder, src, dst, ""); |
| break; |
| case PIPE_LOGICOP_NAND: |
| res = LLVMBuildNot(builder, LLVMBuildAnd(builder, src, dst, ""), ""); |
| break; |
| case PIPE_LOGICOP_AND: |
| res = LLVMBuildAnd(builder, src, dst, ""); |
| break; |
| case PIPE_LOGICOP_EQUIV: |
| res = LLVMBuildNot(builder, LLVMBuildXor(builder, src, dst, ""), ""); |
| break; |
| case PIPE_LOGICOP_NOOP: |
| res = dst; |
| break; |
| case PIPE_LOGICOP_OR_INVERTED: |
| res = LLVMBuildOr(builder, LLVMBuildNot(builder, src, ""), dst, ""); |
| break; |
| case PIPE_LOGICOP_COPY: |
| res = src; |
| break; |
| case PIPE_LOGICOP_OR_REVERSE: |
| res = LLVMBuildOr(builder, src, LLVMBuildNot(builder, dst, ""), ""); |
| break; |
| case PIPE_LOGICOP_OR: |
| res = LLVMBuildOr(builder, src, dst, ""); |
| break; |
| case PIPE_LOGICOP_SET: |
| res = LLVMConstAllOnes(type); |
| break; |
| default: |
| assert(0); |
| res = src; |
| } |
| |
| return res; |
| } |