src/gallium/drivers/llvmpipe/lp_bld_blend.h

   1 /**************************************************************************
   2  *
   3  * Copyright 2009 VMware, Inc.
   4  * All Rights Reserved.
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   6  * Permission is hereby granted, free of charge, to any person obtaining a
   7  * copy of this software and associated documentation files (the
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  11  * permit persons to whom the Software is furnished to do so, subject to
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  15  * next paragraph) shall be included in all copies or substantial portions
  16  * of the Software.
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  18  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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  26  **************************************************************************/
  27
  28 #ifndef LP_BLD_BLEND_H
  29 #define LP_BLD_BLEND_H
  30
  31
  32 #include "gallivm/lp_bld.h"
  33 #include "gallivm/lp_bld_init.h"
  34
  35 #include "pipe/p_format.h"
  36
  37
  38 struct pipe_blend_state;
  39 struct lp_type;
  40 struct lp_build_context;
  41
  42
  43 LLVMValueRef
  44 lp_build_blend(struct lp_build_context *bld,
  45                unsigned func,
  46                unsigned factor_src,
  47                unsigned factor_dst,
  48                LLVMValueRef src,
  49                LLVMValueRef dst,
  50                LLVMValueRef src_factor,
  51                LLVMValueRef dst_factor,
  52                boolean not_alpha_dependent,
  53                boolean optimise_only);
  54
  55
  56 LLVMValueRef
  57 lp_build_blend_aos(struct gallivm_state *gallivm,
  58                    const struct pipe_blend_state *blend,
  59                    enum pipe_format cbuf_format,
  60                    struct lp_type type,
  61                    unsigned rt,
  62                    LLVMValueRef src,
  63                    LLVMValueRef src_alpha,
  64                    LLVMValueRef src1,
  65                    LLVMValueRef src1_alpha,
  66                    LLVMValueRef dst,
  67                    LLVMValueRef mask,
  68                    LLVMValueRef const_,
  69                    LLVMValueRef const_alpha,
  70                    const unsigned char swizzle[4],
  71                    int nr_channels);
  72
  73
  74 /**
  75  * Apply a logic op.
  76  *
  77  * src/dst parameters are packed values. It should work regardless the inputs
  78  * are scalars, or a vector.
  79  */
  80 LLVMValueRef
  81 lp_build_logicop(LLVMBuilderRef builder,
  82                  unsigned logicop_func,
  83                  LLVMValueRef src,
  84                  LLVMValueRef dst);
  85
  86
  87 LLVMValueRef
  88 lp_build_blend_func(struct lp_build_context *bld,
  89                     unsigned func,
  90                     LLVMValueRef term1,
  91                     LLVMValueRef term2);
  92
  93
  94 boolean
  95 lp_build_blend_func_reverse(unsigned rgb_func,
  96                             unsigned alpha_func);
  97
  98
  99 boolean
 100 lp_build_blend_func_commutative(unsigned func);
 101
 102
 103 #endif /* !LP_BLD_BLEND_H */