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/**************************************************************************
*
* Copyright 2007 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.
*
**************************************************************************/
#ifndef TGSI_PARSE_H
#define TGSI_PARSE_H
#include "pipe/p_compiler.h"
#include "pipe/p_shader_tokens.h"
#if defined __cplusplus
extern "C" {
#endif
struct tgsi_full_header
{
struct tgsi_header Header;
struct tgsi_processor Processor;
};
struct tgsi_full_dst_register
{
struct tgsi_dst_register Register;
struct tgsi_ind_register Indirect;
struct tgsi_dimension Dimension;
struct tgsi_ind_register DimIndirect;
};
struct tgsi_full_src_register
{
struct tgsi_src_register Register;
struct tgsi_ind_register Indirect;
struct tgsi_dimension Dimension;
struct tgsi_ind_register DimIndirect;
};
struct tgsi_full_declaration
{
struct tgsi_declaration Declaration;
struct tgsi_declaration_range Range;
struct tgsi_declaration_dimension Dim;
struct tgsi_declaration_interp Interp;
struct tgsi_declaration_semantic Semantic;
struct tgsi_declaration_image Image;
struct tgsi_declaration_sampler_view SamplerView;
struct tgsi_declaration_array Array;
};
struct tgsi_full_immediate
{
struct tgsi_immediate Immediate;
union tgsi_immediate_data u[4];
};
struct tgsi_full_property
{
struct tgsi_property Property;
struct tgsi_property_data u[8];
};
#define TGSI_FULL_MAX_DST_REGISTERS 2
#define TGSI_FULL_MAX_SRC_REGISTERS 5 /* SAMPLE_D has 5 */
#define TGSI_FULL_MAX_TEX_OFFSETS 4
struct tgsi_full_instruction
{
struct tgsi_instruction Instruction;
struct tgsi_instruction_predicate Predicate;
struct tgsi_instruction_label Label;
struct tgsi_instruction_texture Texture;
struct tgsi_instruction_memory Memory;
struct tgsi_full_dst_register Dst[TGSI_FULL_MAX_DST_REGISTERS];
struct tgsi_full_src_register Src[TGSI_FULL_MAX_SRC_REGISTERS];
struct tgsi_texture_offset TexOffsets[TGSI_FULL_MAX_TEX_OFFSETS];
};
union tgsi_full_token
{
struct tgsi_token Token;
struct tgsi_full_declaration FullDeclaration;
struct tgsi_full_immediate FullImmediate;
struct tgsi_full_instruction FullInstruction;
struct tgsi_full_property FullProperty;
};
struct tgsi_parse_context
{
const struct tgsi_token *Tokens;
unsigned Position;
struct tgsi_full_header FullHeader;
union tgsi_full_token FullToken;
};
#define TGSI_PARSE_OK 0
#define TGSI_PARSE_ERROR 1
unsigned
tgsi_parse_init(
struct tgsi_parse_context *ctx,
const struct tgsi_token *tokens );
void
tgsi_parse_free(
struct tgsi_parse_context *ctx );
boolean
tgsi_parse_end_of_tokens(
struct tgsi_parse_context *ctx );
void
tgsi_parse_token(
struct tgsi_parse_context *ctx );
static inline unsigned
tgsi_num_tokens(const struct tgsi_token *tokens)
{
struct tgsi_header header;
memcpy(&header, tokens, sizeof(header));
return header.HeaderSize + header.BodySize;
}
void
tgsi_dump_tokens(const struct tgsi_token *tokens);
struct tgsi_token *
tgsi_dup_tokens(const struct tgsi_token *tokens);
struct tgsi_token *
tgsi_alloc_tokens(unsigned num_tokens);
void
tgsi_free_tokens(const struct tgsi_token *tokens);
unsigned
tgsi_get_processor_type(const struct tgsi_token *tokens);
#if defined __cplusplus
}
#endif
#endif /* TGSI_PARSE_H */
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