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 #ifndef LP_BLD_BLEND_H 29 #define LP_BLD_BLEND_H 30 31 32 #include "gallivm/lp_bld.h" 33 #include "gallivm/lp_bld_init.h" 34 35 #include "pipe/p_format.h" 36 37 38 struct pipe_blend_state; 39 struct lp_type; 40 struct lp_build_context; 41 struct lp_build_mask_context; 42 43 44 LLVMValueRef 45 lp_build_blend(struct lp_build_context *bld, 46 unsigned func, 47 unsigned factor_src, 48 unsigned factor_dst, 49 LLVMValueRef src, 50 LLVMValueRef dst, 51 LLVMValueRef src_factor, 52 LLVMValueRef dst_factor, 53 boolean not_alpha_dependent, 54 boolean optimise_only); 55 56 57 LLVMValueRef 58 lp_build_blend_aos(struct gallivm_state *gallivm, 59 const struct pipe_blend_state *blend, 60 enum pipe_format cbuf_format, 61 struct lp_type type, 62 unsigned rt, 63 LLVMValueRef src, 64 LLVMValueRef src_alpha, 65 LLVMValueRef src1, 66 LLVMValueRef src1_alpha, 67 LLVMValueRef dst, 68 LLVMValueRef mask, 69 LLVMValueRef const_, 70 LLVMValueRef const_alpha, 71 const unsigned char swizzle[4], 72 int nr_channels); 73 74 75 /** 76 * Apply a logic op. 77 * 78 * src/dst parameters are packed values. It should work regardless the inputs 79 * are scalars, or a vector. 80 */ 81 LLVMValueRef 82 lp_build_logicop(LLVMBuilderRef builder, 83 unsigned logicop_func, 84 LLVMValueRef src, 85 LLVMValueRef dst); 86 87 88 LLVMValueRef 89 lp_build_blend_func(struct lp_build_context *bld, 90 unsigned func, 91 LLVMValueRef term1, 92 LLVMValueRef term2); 93 94 95 boolean 96 lp_build_blend_func_reverse(unsigned rgb_func, 97 unsigned alpha_func); 98 99 100 boolean 101 lp_build_blend_func_commutative(unsigned func); 102 103 void 104 lp_build_alpha_to_coverage(struct gallivm_state *gallivm, 105 struct lp_type type, 106 struct lp_build_mask_context *mask, 107 LLVMValueRef alpha, 108 boolean do_branch); 109 110 #endif /* !LP_BLD_BLEND_H */ 111