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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.
*
**************************************************************************/
/**
* Depth/stencil testing to LLVM IR translation.
*
* @author Jose Fonseca <jfonseca@vmware.com>
*/
#ifndef LP_BLD_DEPTH_H
#define LP_BLD_DEPTH_H
#include "gallivm/lp_bld.h"
struct pipe_depth_state;
struct util_format_description;
struct lp_type;
struct lp_build_mask_context;
struct lp_type
lp_depth_type(const struct util_format_description *format_desc,
unsigned length);
void
lp_build_depth_stencil_test(struct gallivm_state *gallivm,
const struct pipe_depth_state *depth,
const struct pipe_stencil_state stencil[2],
struct lp_type type,
const struct util_format_description *format_desc,
struct lp_build_mask_context *mask,
LLVMValueRef stencil_refs[2],
LLVMValueRef zs_src,
LLVMValueRef zs_dst_ptr,
LLVMValueRef facing,
LLVMValueRef *zs_value,
boolean do_branch);
void
lp_build_depth_write(LLVMBuilderRef builder,
const struct util_format_description *format_desc,
LLVMValueRef zs_dst_ptr,
LLVMValueRef zs_value);
void
lp_build_deferred_depth_write(struct gallivm_state *gallivm,
struct lp_type z_src_type,
const struct util_format_description *format_desc,
struct lp_build_mask_context *mask,
LLVMValueRef zs_dst_ptr,
LLVMValueRef zs_value);
void
lp_build_occlusion_count(struct gallivm_state *gallivm,
struct lp_type type,
LLVMValueRef maskvalue,
LLVMValueRef counter);
#endif /* !LP_BLD_DEPTH_H */
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