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/**************************************************************************
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 *
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 * Copyright 2009 VMware, Inc.
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 * All Rights Reserved.
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 *
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 * Permission is hereby granted, free of charge, to any person obtaining a
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 * copy of this software and associated documentation files (the
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 * "Software"), to deal in the Software without restriction, including
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 * without limitation the rights to use, copy, modify, merge, publish,
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 * distribute, sub license, and/or sell copies of the Software, and to
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 * permit persons to whom the Software is furnished to do so, subject to
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 * the following conditions:
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 *
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 * The above copyright notice and this permission notice (including the
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 * next paragraph) shall be included in all copies or substantial portions
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 * of the Software.
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 *
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 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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 * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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 * IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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 * ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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 * TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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 * SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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 *
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 **************************************************************************/
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/**
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 * Depth/stencil testing to LLVM IR translation.
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 *
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 * @author Jose Fonseca
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 */
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#ifndef LP_BLD_DEPTH_H
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#define LP_BLD_DEPTH_H
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#include "pipe/p_compiler.h"
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#include "pipe/p_state.h"
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#include "gallivm/lp_bld.h"
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struct pipe_depth_state;
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struct gallivm_state;
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struct util_format_description;
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struct lp_type;
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struct lp_build_mask_context;
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struct lp_type
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lp_depth_type(const struct util_format_description *format_desc,
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              unsigned length);
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void
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lp_build_depth_stencil_test(struct gallivm_state *gallivm,
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                            const struct pipe_depth_state *depth,
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                            const struct pipe_stencil_state stencil[2],
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                            struct lp_type z_src_type,
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                            const struct util_format_description *format_desc,
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                            struct lp_build_mask_context *mask,
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                            LLVMValueRef stencil_refs[2],
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                            LLVMValueRef z_src,
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                            LLVMValueRef z_fb,
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                            LLVMValueRef s_fb,
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                            LLVMValueRef face,
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                            LLVMValueRef *z_value,
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                            LLVMValueRef *s_value,
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                            boolean do_branch);
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void
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lp_build_depth_stencil_load_swizzled(struct gallivm_state *gallivm,
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                                     struct lp_type z_src_type,
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                                     const struct util_format_description *format_desc,
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                                     boolean is_1d,
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                                     LLVMValueRef depth_ptr,
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                                     LLVMValueRef depth_stride,
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                                     LLVMValueRef *z_fb,
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                                     LLVMValueRef *s_fb,
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                                     LLVMValueRef loop_counter);
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void
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lp_build_depth_stencil_write_swizzled(struct gallivm_state *gallivm,
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                                      struct lp_type z_src_type,
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                                      const struct util_format_description *format_desc,
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                                      boolean is_1d,
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                                      struct lp_build_mask_context *mask,
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                                      LLVMValueRef z_fb,
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                                      LLVMValueRef s_fb,
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                                      LLVMValueRef loop_counter,
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                                      LLVMValueRef depth_ptr,
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                                      LLVMValueRef depth_stride,
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                                      LLVMValueRef z_value,
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                                      LLVMValueRef s_value);
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void
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lp_build_occlusion_count(struct gallivm_state *gallivm,
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                         struct lp_type type,
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                         LLVMValueRef maskvalue,
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                         LLVMValueRef counter);
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#endif /* !LP_BLD_DEPTH_H */