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/**************************************************************************
*
* Copyright 2009 VMware, Inc.
* All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sub license, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice (including the
* next paragraph) shall be included in all copies or substantial portions
* of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
**************************************************************************/
#ifndef LP_BLD_BLEND_H
#define LP_BLD_BLEND_H
#include "gallivm/lp_bld.h"
#include "gallivm/lp_bld_init.h"
#include "pipe/p_format.h"
struct pipe_blend_state;
struct lp_type;
struct lp_build_context;
LLVMValueRef
lp_build_blend(struct lp_build_context *bld,
unsigned func,
unsigned factor_src,
unsigned factor_dst,
LLVMValueRef src,
LLVMValueRef dst,
LLVMValueRef src_factor,
LLVMValueRef dst_factor,
boolean not_alpha_dependent,
boolean optimise_only);
LLVMValueRef
lp_build_blend_aos(struct gallivm_state *gallivm,
const struct pipe_blend_state *blend,
const enum pipe_format *cbuf_format,
struct lp_type type,
unsigned rt,
LLVMValueRef src,
LLVMValueRef src_alpha,
LLVMValueRef dst,
LLVMValueRef mask,
LLVMValueRef const_,
LLVMValueRef const_alpha,
const unsigned char swizzle[4],
int nr_channels);
void
lp_build_blend_soa(struct gallivm_state *gallivm,
const struct pipe_blend_state *blend,
struct lp_type type,
unsigned rt,
LLVMValueRef src[4],
LLVMValueRef dst[4],
LLVMValueRef const_[4],
LLVMValueRef res[4]);
/**
* Apply a logic op.
*
* src/dst parameters are packed values. It should work regardless the inputs
* are scalars, or a vector.
*/
LLVMValueRef
lp_build_logicop(LLVMBuilderRef builder,
unsigned logicop_func,
LLVMValueRef src,
LLVMValueRef dst);
LLVMValueRef
lp_build_blend_func(struct lp_build_context *bld,
unsigned func,
LLVMValueRef term1,
LLVMValueRef term2);
boolean
lp_build_blend_func_reverse(unsigned rgb_func,
unsigned alpha_func);
boolean
lp_build_blend_func_commutative(unsigned func);
#endif /* !LP_BLD_BLEND_H */
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