Subversion Repositories Kolibri OS

Rev

Go to most recent revision | Blame | Last modification | View Log | RSS feed

  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.  
  29. /**
  30.  * @file
  31.  * Blend LLVM IR generation -- logic ops.
  32.  *
  33.  * @author Jose Fonseca <jfonseca@vmware.com>
  34.  */
  35.  
  36.  
  37. #include "pipe/p_state.h"
  38. #include "util/u_debug.h"
  39.  
  40. #include "lp_bld_blend.h"
  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. }
  110.