src/gallium/drivers/llvmpipe/lp_bld_blend.h

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   3  * Copyright 2009 VMware, Inc.
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  16  * of the Software.
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  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                    const enum pipe_format *cbuf_format,
  60                    struct lp_type type,
  61                    unsigned rt,
  62                    LLVMValueRef src,
  63                    LLVMValueRef src_alpha,
  64                    LLVMValueRef dst,
  65                    LLVMValueRef mask,
  66                    LLVMValueRef const_,
  67                    LLVMValueRef const_alpha,
  68                    const unsigned char swizzle[4],
  69                    int nr_channels);
  70
  71
  72 /**
  73  * Apply a logic op.
  74  *
  75  * src/dst parameters are packed values. It should work regardless the inputs
  76  * are scalars, or a vector.
  77  */
  78 LLVMValueRef
  79 lp_build_logicop(LLVMBuilderRef builder,
  80                  unsigned logicop_func,
  81                  LLVMValueRef src,
  82                  LLVMValueRef dst);
  83
  84
  85 LLVMValueRef
  86 lp_build_blend_func(struct lp_build_context *bld,
  87                     unsigned func,
  88                     LLVMValueRef term1,
  89                     LLVMValueRef term2);
  90
  91
  92 boolean
  93 lp_build_blend_func_reverse(unsigned rgb_func,
  94                             unsigned alpha_func);
  95
  96
  97 boolean
  98 lp_build_blend_func_commutative(unsigned func);
  99
 100
 101 #endif /* !LP_BLD_BLEND_H */