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 * Depth/stencil testing to LLVM IR translation. 31 * 32 * @author Jose Fonseca <jfonseca@vmware.com> 33 */ 34 35 #ifndef LP_BLD_DEPTH_H 36 #define LP_BLD_DEPTH_H 37 38 39 #include "pipe/p_compiler.h" 40 #include "pipe/p_state.h" 41 42 #include "gallivm/lp_bld.h" 43 44 45 struct pipe_depth_state; 46 struct gallivm_state; 47 struct util_format_description; 48 struct lp_type; 49 struct lp_build_mask_context; 50 51 52 struct lp_type 53 lp_depth_type(const struct util_format_description *format_desc, 54 unsigned length); 55 56 57 void 58 lp_build_depth_stencil_test(struct gallivm_state *gallivm, 59 const struct pipe_depth_state *depth, 60 const struct pipe_stencil_state stencil[2], 61 struct lp_type type, 62 const struct util_format_description *format_desc, 63 struct lp_build_mask_context *mask, 64 LLVMValueRef stencil_refs[2], 65 LLVMValueRef zs_src, 66 LLVMValueRef zs_dst_ptr, 67 LLVMValueRef facing, 68 LLVMValueRef *zs_value, 69 boolean do_branch); 70 71 void 72 lp_build_depth_write(LLVMBuilderRef builder, 73 const struct util_format_description *format_desc, 74 LLVMValueRef zs_dst_ptr, 75 LLVMValueRef zs_value); 76 77 void 78 lp_build_deferred_depth_write(struct gallivm_state *gallivm, 79 struct lp_type z_src_type, 80 const struct util_format_description *format_desc, 81 struct lp_build_mask_context *mask, 82 LLVMValueRef zs_dst_ptr, 83 LLVMValueRef zs_value); 84 85 void 86 lp_build_occlusion_count(struct gallivm_state *gallivm, 87 struct lp_type type, 88 LLVMValueRef maskvalue, 89 LLVMValueRef counter); 90 91 #endif /* !LP_BLD_DEPTH_H */ 92