85 lines
2.8 KiB
C
85 lines
2.8 KiB
C
/**************************************************************************
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*
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* Copyright 2009 VMware, Inc.
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* All Rights Reserved.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sub license, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice (including the
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* next paragraph) shall be included in all copies or substantial portions
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* of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
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* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT.
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* IN NO EVENT SHALL VMWARE AND/OR ITS SUPPLIERS BE LIABLE FOR
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* ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*
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**************************************************************************/
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/**
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* @file
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* TGSI to LLVM IR translation.
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*
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* @author Jose Fonseca <jfonseca@vmware.com>
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*/
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#ifndef LP_BLD_TGSI_H
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#define LP_BLD_TGSI_H
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#include <llvm-c/Core.h>
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struct tgsi_token;
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union lp_type;
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struct lp_build_context;
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struct lp_build_mask_context;
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/**
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* Sampler code generation interface.
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*
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* Although texture sampling is a requirement for TGSI translation, it is
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* a very different problem with several different approaches to it. This
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* structure establishes an interface for texture sampling code generation, so
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* that we can easily use different texture sampling strategies.
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*/
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struct lp_build_sampler_soa
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{
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void
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(*destroy)( struct lp_build_sampler_soa *sampler );
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void
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(*emit_fetch_texel)( struct lp_build_sampler_soa *sampler,
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LLVMBuilderRef builder,
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union lp_type type,
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unsigned unit,
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unsigned num_coords,
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const LLVMValueRef *coords,
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LLVMValueRef lodbias,
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LLVMValueRef *texel);
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};
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void
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lp_build_tgsi_soa(LLVMBuilderRef builder,
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const struct tgsi_token *tokens,
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union lp_type type,
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struct lp_build_mask_context *mask,
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LLVMValueRef consts_ptr,
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const LLVMValueRef *pos,
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const LLVMValueRef (*inputs)[4],
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LLVMValueRef (*outputs)[4],
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struct lp_build_sampler_soa *sampler);
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#endif /* LP_BLD_TGSI_H */
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