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 z_src_type, 62 const struct util_format_description *format_desc, 63 struct lp_build_mask_context *mask, 64 LLVMValueRef stencil_refs[2], 65 LLVMValueRef z_src, 66 LLVMValueRef z_fb, 67 LLVMValueRef s_fb, 68 LLVMValueRef face, 69 LLVMValueRef *z_value, 70 LLVMValueRef *s_value, 71 boolean do_branch); 72 73 void 74 lp_build_depth_stencil_load_swizzled(struct gallivm_state *gallivm, 75 struct lp_type z_src_type, 76 const struct util_format_description *format_desc, 77 boolean is_1d, 78 LLVMValueRef depth_ptr, 79 LLVMValueRef depth_stride, 80 LLVMValueRef *z_fb, 81 LLVMValueRef *s_fb, 82 LLVMValueRef loop_counter); 83 84 void 85 lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm, 86 struct lp_type z_src_type, 87 const struct util_format_description *format_desc, 88 boolean is_1d, 89 struct lp_build_mask_context *mask, 90 LLVMValueRef z_fb, 91 LLVMValueRef s_fb, 92 LLVMValueRef loop_counter, 93 LLVMValueRef depth_ptr, 94 LLVMValueRef depth_stride, 95 LLVMValueRef z_value, 96 LLVMValueRef s_value); 97 98 99 void 100 lp_build_occlusion_count(struct gallivm_state *gallivm, 101 struct lp_type type, 102 LLVMValueRef maskvalue, 103 LLVMValueRef counter); 104 105 #endif /* !LP_BLD_DEPTH_H */ 106