diff options
Diffstat (limited to 'src/gallium/drivers/llvmpipe/lp_bld_tgsi.h')
-rw-r--r-- | src/gallium/drivers/llvmpipe/lp_bld_tgsi.h | 84 |
1 files changed, 84 insertions, 0 deletions
diff --git a/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h b/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h new file mode 100644 index 0000000000..eddb7a83fa --- /dev/null +++ b/src/gallium/drivers/llvmpipe/lp_bld_tgsi.h @@ -0,0 +1,84 @@ +/************************************************************************** + * + * 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. + * + **************************************************************************/ + +/** + * @file + * TGSI to LLVM IR translation. + * + * @author Jose Fonseca <jfonseca@vmware.com> + */ + +#ifndef LP_BLD_TGSI_H +#define LP_BLD_TGSI_H + +#include <llvm-c/Core.h> + + +struct tgsi_token; +struct lp_type; +struct lp_build_context; +struct lp_build_mask_context; + + +/** + * Sampler code generation interface. + * + * Although texture sampling is a requirement for TGSI translation, it is + * a very different problem with several different approaches to it. This + * structure establishes an interface for texture sampling code generation, so + * that we can easily use different texture sampling strategies. + */ +struct lp_build_sampler_soa +{ + void + (*destroy)( struct lp_build_sampler_soa *sampler ); + + void + (*emit_fetch_texel)( struct lp_build_sampler_soa *sampler, + LLVMBuilderRef builder, + struct lp_type type, + unsigned unit, + unsigned num_coords, + const LLVMValueRef *coords, + LLVMValueRef lodbias, + LLVMValueRef *texel); +}; + + +void +lp_build_tgsi_soa(LLVMBuilderRef builder, + const struct tgsi_token *tokens, + struct lp_type type, + struct lp_build_mask_context *mask, + LLVMValueRef consts_ptr, + const LLVMValueRef *pos, + const LLVMValueRef (*inputs)[4], + LLVMValueRef (*outputs)[4], + struct lp_build_sampler_soa *sampler); + + +#endif /* LP_BLD_TGSI_H */ |