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/**************************************************************************
*
* Copyright 2008 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_INFO_H
#define TGSI_INFO_H
#include "pipe/p_compiler.h"
#include "pipe/p_shader_tokens.h"
#include "util/u_format.h"
#if defined __cplusplus
extern "C" {
#endif
/* This enum describes how an opcode calculates its result. */
enum tgsi_output_mode {
/** The opcode produces no result. */
TGSI_OUTPUT_NONE = 0,
/** When this opcode writes to a channel of the destination register,
* it takes as arguments values from the same channel of the source
* register(s).
*
* Example: TGSI_OPCODE_ADD
*/
TGSI_OUTPUT_COMPONENTWISE = 1,
/** This opcode writes the same value to all enabled channels of the
* destination register.
*
* Example: TGSI_OPCODE_RSQ
*/
TGSI_OUTPUT_REPLICATE = 2,
/** The operation performed by this opcode is dependent on which channel
* of the destination register is being written.
*
* Example: TGSI_OPCODE_LOG
*/
TGSI_OUTPUT_CHAN_DEPENDENT = 3,
/**
* Example: TGSI_OPCODE_TEX
*/
TGSI_OUTPUT_OTHER = 4
};
struct tgsi_opcode_info
{
unsigned num_dst:3;
unsigned num_src:3;
unsigned is_tex:1;
unsigned is_store:1;
unsigned is_branch:1;
int pre_dedent:2;
int post_indent:2;
enum tgsi_output_mode output_mode:3;
const char *mnemonic;
uint opcode;
};
const struct tgsi_opcode_info *
tgsi_get_opcode_info( uint opcode );
const char *
tgsi_get_opcode_name( uint opcode );
const char *
tgsi_get_processor_name( uint processor );
enum tgsi_opcode_type {
TGSI_TYPE_UNTYPED, /* for MOV */
TGSI_TYPE_VOID,
TGSI_TYPE_UNSIGNED,
TGSI_TYPE_SIGNED,
TGSI_TYPE_FLOAT,
TGSI_TYPE_DOUBLE,
TGSI_TYPE_UNSIGNED64,
TGSI_TYPE_SIGNED64,
};
static inline bool tgsi_type_is_64bit(enum tgsi_opcode_type type)
{
if (type == TGSI_TYPE_DOUBLE || type == TGSI_TYPE_UNSIGNED64 ||
type == TGSI_TYPE_SIGNED64)
return true;
return false;
}
enum tgsi_opcode_type
tgsi_opcode_infer_src_type( uint opcode );
enum tgsi_opcode_type
tgsi_opcode_infer_dst_type( uint opcode );
#if defined __cplusplus
}
#endif
#endif /* TGSI_INFO_H */
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