mirror of https://gitlab.freedesktop.org/mesa/mesa
110 lines
3.3 KiB
C
110 lines
3.3 KiB
C
/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* Blend LLVM IR generation -- logic ops.
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#include "pipe/p_state.h"
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#include "util/u_debug.h"
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#include "lp_bld_blend.h"
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LLVMValueRef
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lp_build_logicop(LLVMBuilderRef builder,
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unsigned logicop_func,
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LLVMValueRef src,
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LLVMValueRef dst)
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{
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LLVMTypeRef type;
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LLVMValueRef res;
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type = LLVMTypeOf(src);
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switch (logicop_func) {
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case PIPE_LOGICOP_CLEAR:
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res = LLVMConstNull(type);
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break;
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case PIPE_LOGICOP_NOR:
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res = LLVMBuildNot(builder, LLVMBuildOr(builder, src, dst, ""), "");
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break;
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case PIPE_LOGICOP_AND_INVERTED:
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res = LLVMBuildAnd(builder, LLVMBuildNot(builder, src, ""), dst, "");
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break;
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case PIPE_LOGICOP_COPY_INVERTED:
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res = LLVMBuildNot(builder, src, "");
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break;
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case PIPE_LOGICOP_AND_REVERSE:
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res = LLVMBuildAnd(builder, src, LLVMBuildNot(builder, dst, ""), "");
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break;
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case PIPE_LOGICOP_INVERT:
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res = LLVMBuildNot(builder, dst, "");
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break;
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case PIPE_LOGICOP_XOR:
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res = LLVMBuildXor(builder, src, dst, "");
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break;
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case PIPE_LOGICOP_NAND:
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res = LLVMBuildNot(builder, LLVMBuildAnd(builder, src, dst, ""), "");
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break;
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case PIPE_LOGICOP_AND:
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res = LLVMBuildAnd(builder, src, dst, "");
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break;
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case PIPE_LOGICOP_EQUIV:
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res = LLVMBuildNot(builder, LLVMBuildXor(builder, src, dst, ""), "");
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break;
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case PIPE_LOGICOP_NOOP:
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res = dst;
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break;
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case PIPE_LOGICOP_OR_INVERTED:
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res = LLVMBuildOr(builder, LLVMBuildNot(builder, src, ""), dst, "");
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break;
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case PIPE_LOGICOP_COPY:
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res = src;
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break;
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case PIPE_LOGICOP_OR_REVERSE:
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res = LLVMBuildOr(builder, src, LLVMBuildNot(builder, dst, ""), "");
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break;
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case PIPE_LOGICOP_OR:
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res = LLVMBuildOr(builder, src, dst, "");
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break;
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case PIPE_LOGICOP_SET:
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res = LLVMConstAllOnes(type);
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break;
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default:
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assert(0);
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res = src;
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}
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return res;
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}
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