src/gallium/drivers/llvmpipe/lp_bld_depth.h

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  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 */