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 * @file 30 * Helper functions for type conversions. 31 * 32 * @author Jose Fonseca <jfonseca@vmware.com> 33 */ 34 35 36 #ifndef LP_BLD_CONV_H 37 #define LP_BLD_CONV_H 38 39 40 #include "gallivm/lp_bld.h" 41 42 43 struct lp_type; 44 45 LLVMValueRef 46 lp_build_half_to_float(struct gallivm_state *gallivm, 47 struct lp_type src_type, 48 LLVMValueRef src); 49 50 LLVMValueRef 51 lp_build_clamped_float_to_unsigned_norm(struct gallivm_state *gallivm, 52 struct lp_type src_type, 53 unsigned dst_width, 54 LLVMValueRef src); 55 56 LLVMValueRef 57 lp_build_unsigned_norm_to_float(struct gallivm_state *gallivm, 58 unsigned src_width, 59 struct lp_type dst_type, 60 LLVMValueRef src); 61 62 63 void 64 lp_build_conv(struct gallivm_state *gallivm, 65 struct lp_type src_type, 66 struct lp_type dst_type, 67 const LLVMValueRef *srcs, unsigned num_srcs, 68 LLVMValueRef *dsts, unsigned num_dsts); 69 70 void 71 lp_build_conv_mask(struct gallivm_state *gallivm, 72 struct lp_type src_type, 73 struct lp_type dst_type, 74 const LLVMValueRef *src, unsigned num_srcs, 75 LLVMValueRef *dst, unsigned num_dsts); 76 77 #endif /* !LP_BLD_CONV_H */ 78