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/*
* Copyright (C) 2005 Ben Skeggs.
*
* 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, sublicense, 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 NONINFRINGEMENT.
* IN NO EVENT SHALL THE COPYRIGHT OWNER(S) 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.
*
*/
/*
* Authors:
* Ben Skeggs <darktama@iinet.net.au>
* Jerome Glisse <j.glisse@gmail.com>
*/
#ifndef __R300_FRAGPROG_H_
#define __R300_FRAGPROG_H_
#include "glheader.h"
#include "macros.h"
#include "enums.h"
#include "program.h"
#include "r300_context.h"
#include "program_instruction.h"
/* representation of a register for emit_arith/swizzle */
typedef struct _pfs_reg_t {
enum {
REG_TYPE_INPUT,
REG_TYPE_OUTPUT,
REG_TYPE_TEMP,
REG_TYPE_CONST
} type:2;
GLuint index:6;
GLuint v_swz:5;
GLuint s_swz:5;
GLuint negate_v:1;
GLuint negate_s:1;
GLuint absolute:1;
GLboolean no_use:1;
GLboolean valid:1;
} pfs_reg_t;
typedef struct r300_fragment_program_swizzle {
GLuint length;
GLuint src[4];
GLuint inst[8];
} r300_fragment_program_swizzle_t;
/* supported hw opcodes */
#define PFS_OP_MAD 0
#define PFS_OP_DP3 1
#define PFS_OP_DP4 2
#define PFS_OP_MIN 3
#define PFS_OP_MAX 4
#define PFS_OP_CMP 5
#define PFS_OP_FRC 6
#define PFS_OP_EX2 7
#define PFS_OP_LG2 8
#define PFS_OP_RCP 9
#define PFS_OP_RSQ 10
#define PFS_OP_REPL_ALPHA 11
#define PFS_OP_CMPH 12
#define MAX_PFS_OP 12
#define PFS_FLAG_SAT (1 << 0)
#define PFS_FLAG_ABS (1 << 1)
#define ARG_NEG (1 << 5)
#define ARG_ABS (1 << 6)
#define ARG_MASK (127 << 0)
#define ARG_STRIDE 7
#define SRC_CONST (1 << 5)
#define SRC_MASK (63 << 0)
#define SRC_STRIDE 6
#define NOP_INST0 ( \
(R300_FPI0_OUTC_MAD) | \
(R300_FPI0_ARGC_ZERO << R300_FPI0_ARG0C_SHIFT) | \
(R300_FPI0_ARGC_ZERO << R300_FPI0_ARG1C_SHIFT) | \
(R300_FPI0_ARGC_ZERO << R300_FPI0_ARG2C_SHIFT))
#define NOP_INST1 ( \
((0 | SRC_CONST) << R300_FPI1_SRC0C_SHIFT) | \
((0 | SRC_CONST) << R300_FPI1_SRC1C_SHIFT) | \
((0 | SRC_CONST) << R300_FPI1_SRC2C_SHIFT))
#define NOP_INST2 ( \
(R300_FPI2_OUTA_MAD) | \
(R300_FPI2_ARGA_ZERO << R300_FPI2_ARG0A_SHIFT) | \
(R300_FPI2_ARGA_ZERO << R300_FPI2_ARG1A_SHIFT) | \
(R300_FPI2_ARGA_ZERO << R300_FPI2_ARG2A_SHIFT))
#define NOP_INST3 ( \
((0 | SRC_CONST) << R300_FPI3_SRC0A_SHIFT) | \
((0 | SRC_CONST) << R300_FPI3_SRC1A_SHIFT) | \
((0 | SRC_CONST) << R300_FPI3_SRC2A_SHIFT))
struct r300_fragment_program;
extern void r300_translate_fragment_shader(struct r300_fragment_program *rp);
#endif
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