José Fonseca | 4639f8a | 2009-07-29 08:29:13 +0100 | [diff] [blame] | 1 | /************************************************************************** |
| 2 | * |
| 3 | * Copyright 2009 VMware, Inc. |
| 4 | * All Rights Reserved. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the |
| 8 | * "Software"), to deal in the Software without restriction, including |
| 9 | * without limitation the rights to use, copy, modify, merge, publish, |
| 10 | * distribute, sub license, and/or sell copies of the Software, and to |
| 11 | * permit persons to whom the Software is furnished to do so, subject to |
| 12 | * the following conditions: |
| 13 | * |
| 14 | * The above copyright notice and this permission notice (including the |
| 15 | * next paragraph) shall be included in all copies or substantial portions |
| 16 | * of the Software. |
| 17 | * |
| 18 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS |
| 19 | * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF |
| 20 | * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. |
| 21 | * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR |
| 22 | * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, |
| 23 | * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE |
| 24 | * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. |
| 25 | * |
| 26 | **************************************************************************/ |
| 27 | |
| 28 | |
José Fonseca | 5811ed8 | 2009-08-22 22:26:55 +0100 | [diff] [blame] | 29 | /** |
| 30 | * @file |
| 31 | * Blend LLVM IR generation -- logic ops. |
| 32 | * |
| 33 | * @author Jose Fonseca <jfonseca@vmware.com> |
| 34 | */ |
| 35 | |
| 36 | |
José Fonseca | 4639f8a | 2009-07-29 08:29:13 +0100 | [diff] [blame] | 37 | #include "pipe/p_state.h" |
José Fonseca | 38f6f23 | 2010-02-02 14:43:48 +0000 | [diff] [blame] | 38 | #include "util/u_debug.h" |
José Fonseca | 4639f8a | 2009-07-29 08:29:13 +0100 | [diff] [blame] | 39 | |
José Fonseca | 4a414d8 | 2009-08-18 13:30:04 +0100 | [diff] [blame] | 40 | #include "lp_bld_blend.h" |
José Fonseca | 4639f8a | 2009-07-29 08:29:13 +0100 | [diff] [blame] | 41 | |
| 42 | |
| 43 | LLVMValueRef |
| 44 | lp_build_logicop(LLVMBuilderRef builder, |
| 45 | unsigned logicop_func, |
| 46 | LLVMValueRef src, |
| 47 | LLVMValueRef dst) |
| 48 | { |
| 49 | LLVMTypeRef type; |
| 50 | LLVMValueRef res; |
| 51 | |
| 52 | type = LLVMTypeOf(src); |
| 53 | |
| 54 | switch (logicop_func) { |
| 55 | case PIPE_LOGICOP_CLEAR: |
| 56 | res = LLVMConstNull(type); |
| 57 | break; |
| 58 | case PIPE_LOGICOP_NOR: |
| 59 | res = LLVMBuildNot(builder, LLVMBuildOr(builder, src, dst, ""), ""); |
| 60 | break; |
| 61 | case PIPE_LOGICOP_AND_INVERTED: |
| 62 | res = LLVMBuildAnd(builder, LLVMBuildNot(builder, src, ""), dst, ""); |
| 63 | break; |
| 64 | case PIPE_LOGICOP_COPY_INVERTED: |
| 65 | res = LLVMBuildNot(builder, src, ""); |
| 66 | break; |
| 67 | case PIPE_LOGICOP_AND_REVERSE: |
| 68 | res = LLVMBuildAnd(builder, src, LLVMBuildNot(builder, dst, ""), ""); |
| 69 | break; |
| 70 | case PIPE_LOGICOP_INVERT: |
| 71 | res = LLVMBuildNot(builder, dst, ""); |
| 72 | break; |
| 73 | case PIPE_LOGICOP_XOR: |
| 74 | res = LLVMBuildXor(builder, src, dst, ""); |
| 75 | break; |
| 76 | case PIPE_LOGICOP_NAND: |
| 77 | res = LLVMBuildNot(builder, LLVMBuildAnd(builder, src, dst, ""), ""); |
| 78 | break; |
| 79 | case PIPE_LOGICOP_AND: |
| 80 | res = LLVMBuildAnd(builder, src, dst, ""); |
| 81 | break; |
| 82 | case PIPE_LOGICOP_EQUIV: |
| 83 | res = LLVMBuildNot(builder, LLVMBuildXor(builder, src, dst, ""), ""); |
| 84 | break; |
| 85 | case PIPE_LOGICOP_NOOP: |
| 86 | res = dst; |
| 87 | break; |
| 88 | case PIPE_LOGICOP_OR_INVERTED: |
| 89 | res = LLVMBuildOr(builder, LLVMBuildNot(builder, src, ""), dst, ""); |
| 90 | break; |
| 91 | case PIPE_LOGICOP_COPY: |
| 92 | res = src; |
| 93 | break; |
| 94 | case PIPE_LOGICOP_OR_REVERSE: |
| 95 | res = LLVMBuildOr(builder, src, LLVMBuildNot(builder, dst, ""), ""); |
| 96 | break; |
| 97 | case PIPE_LOGICOP_OR: |
| 98 | res = LLVMBuildOr(builder, src, dst, ""); |
| 99 | break; |
| 100 | case PIPE_LOGICOP_SET: |
| 101 | res = LLVMConstAllOnes(type); |
| 102 | break; |
| 103 | default: |
| 104 | assert(0); |
| 105 | res = src; |
| 106 | } |
| 107 | |
| 108 | return res; |
| 109 | } |