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 LLVMValueRef src); 48 49 LLVMValueRef 50 lp_build_float_to_half(struct gallivm_state *gallivm, 51 LLVMValueRef src); 52 53 LLVMValueRef 54 lp_build_clamped_float_to_unsigned_norm(struct gallivm_state *gallivm, 55 struct lp_type src_type, 56 unsigned dst_width, 57 LLVMValueRef src); 58 59 LLVMValueRef 60 lp_build_unsigned_norm_to_float(struct gallivm_state *gallivm, 61 unsigned src_width, 62 struct lp_type dst_type, 63 LLVMValueRef src); 64 65 66 void 67 lp_build_conv(struct gallivm_state *gallivm, 68 struct lp_type src_type, 69 struct lp_type dst_type, 70 const LLVMValueRef *srcs, unsigned num_srcs, 71 LLVMValueRef *dsts, unsigned num_dsts); 72 73 74 int 75 lp_build_conv_auto(struct gallivm_state *gallivm, 76 struct lp_type src_type, 77 struct lp_type* dst_type, 78 const LLVMValueRef *src, 79 unsigned num_srcs, 80 LLVMValueRef *dst); 81 82 83 void 84 lp_build_conv_mask(struct gallivm_state *gallivm, 85 struct lp_type src_type, 86 struct lp_type dst_type, 87 const LLVMValueRef *src, unsigned num_srcs, 88 LLVMValueRef *dst, unsigned num_dsts); 89 90 #endif /* !LP_BLD_CONV_H */ 91