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97 lines
3.4 KiB
C
97 lines
3.4 KiB
C
/**************************************************************************
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*
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* Copyright 2008 Tungsten Graphics, Inc., Cedar Park, Texas.
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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 TUNGSTEN GRAPHICS 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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#ifndef TGSI_TRANSFORM_H
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#define TGSI_TRANSFORM_H
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#include "pipe/p_shader_tokens.h"
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#include "tgsi/tgsi_parse.h"
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#include "tgsi/tgsi_build.h"
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/**
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* Subclass this to add caller-specific data
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*/
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struct tgsi_transform_context
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{
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/**** PUBLIC ***/
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/**
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* User-defined callbacks invoked per instruction.
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*/
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void (*transform_instruction)(struct tgsi_transform_context *ctx,
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struct tgsi_full_instruction *inst);
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void (*transform_declaration)(struct tgsi_transform_context *ctx,
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struct tgsi_full_declaration *decl);
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void (*transform_immediate)(struct tgsi_transform_context *ctx,
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struct tgsi_full_immediate *imm);
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void (*transform_property)(struct tgsi_transform_context *ctx,
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struct tgsi_full_property *prop);
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/**
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* Called at end of input program to allow caller to append extra
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* instructions. Return number of tokens emitted.
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*/
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void (*epilog)(struct tgsi_transform_context *ctx);
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/*** PRIVATE ***/
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/**
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* These are setup by tgsi_transform_shader() and cannot be overridden.
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* Meant to be called from in the above user callback functions.
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*/
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void (*emit_instruction)(struct tgsi_transform_context *ctx,
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const struct tgsi_full_instruction *inst);
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void (*emit_declaration)(struct tgsi_transform_context *ctx,
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const struct tgsi_full_declaration *decl);
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void (*emit_immediate)(struct tgsi_transform_context *ctx,
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const struct tgsi_full_immediate *imm);
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void (*emit_property)(struct tgsi_transform_context *ctx,
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const struct tgsi_full_property *prop);
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struct tgsi_header *header;
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uint max_tokens_out;
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struct tgsi_token *tokens_out;
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uint ti;
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};
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extern int
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tgsi_transform_shader(const struct tgsi_token *tokens_in,
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struct tgsi_token *tokens_out,
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uint max_tokens_out,
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struct tgsi_transform_context *ctx);
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#endif /* TGSI_TRANSFORM_H */
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