src/gallium/drivers/llvmpipe/lp_bld_depth.h

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