src/gallium/drivers/llvmpipe/lp_bld_blend.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 #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 dst,
  64                    LLVMValueRef mask,
  65                    LLVMValueRef const_,
  66                    const unsigned char swizzle[4]);
  67
  68
  69 void
  70 lp_build_blend_soa(struct gallivm_state *gallivm,
  71                    const struct pipe_blend_state *blend,
  72                    struct lp_type type,
  73                    unsigned rt,
  74                    LLVMValueRef src[4],
  75                    LLVMValueRef dst[4],
  76                    LLVMValueRef const_[4],
  77                    LLVMValueRef res[4]);
  78
  79
  80 /**
  81  * Apply a logic op.
  82  *
  83  * src/dst parameters are packed values. It should work regardless the inputs
  84  * are scalars, or a vector.
  85  */
  86 LLVMValueRef
  87 lp_build_logicop(LLVMBuilderRef builder,
  88                  unsigned logicop_func,
  89                  LLVMValueRef src,
  90                  LLVMValueRef dst);
  91
  92
  93 LLVMValueRef
  94 lp_build_blend_func(struct lp_build_context *bld,
  95                     unsigned func,
  96                     LLVMValueRef term1,
  97                     LLVMValueRef term2);
  98
  99
 100 boolean
 101 lp_build_blend_func_reverse(unsigned rgb_func,
 102                             unsigned alpha_func);
 103
 104
 105 boolean
 106 lp_build_blend_func_commutative(unsigned func);
 107
 108
 109 #endif /* !LP_BLD_BLEND_H */