C++程序  |  60行  |  2.02 KB

/**************************************************************************
 *
 * 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
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 **************************************************************************/

/**
 * Alpha testing to LLVM IR translation.
 *
 * @author Jose Fonseca <jfonseca@vmware.com>
 */

#ifndef LP_BLD_ALPHA_H
#define LP_BLD_ALPHA_H

#include "pipe/p_compiler.h"

#include "gallivm/lp_bld.h"

struct pipe_alpha_state;
struct util_format_description;
struct gallivm_state;
struct lp_type;
struct lp_build_mask_context;


void
lp_build_alpha_test(struct gallivm_state *gallivm,
                    unsigned func,
                    struct lp_type type,
                    const struct util_format_description *cbuf_format_desc,
                    struct lp_build_mask_context *mask,
                    LLVMValueRef alpha,
                    LLVMValueRef ref,
                    boolean do_branch);


#endif /* !LP_BLD_ALPHA_H */