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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 "shader/program.h"
#include "shader/prog_instruction.h"
#include "r300_context.h"
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_ALU_OUTC_MAD) | \
(R300_ALU_ARGC_ZERO << R300_ALU_ARG0C_SHIFT) | \
(R300_ALU_ARGC_ZERO << R300_ALU_ARG1C_SHIFT) | \
(R300_ALU_ARGC_ZERO << R300_ALU_ARG2C_SHIFT))
#define NOP_INST1 ( \
((0 | SRC_CONST) << R300_ALU_SRC0C_SHIFT) | \
((0 | SRC_CONST) << R300_ALU_SRC1C_SHIFT) | \
((0 | SRC_CONST) << R300_ALU_SRC2C_SHIFT))
#define NOP_INST2 ( \
(R300_ALU_OUTA_MAD) | \
(R300_ALU_ARGA_ZERO << R300_ALU_ARG0A_SHIFT) | \
(R300_ALU_ARGA_ZERO << R300_ALU_ARG1A_SHIFT) | \
(R300_ALU_ARGA_ZERO << R300_ALU_ARG2A_SHIFT))
#define NOP_INST3 ( \
((0 | SRC_CONST) << R300_ALU_SRC0A_SHIFT) | \
((0 | SRC_CONST) << R300_ALU_SRC1A_SHIFT) | \
((0 | SRC_CONST) << R300_ALU_SRC2A_SHIFT))
#define DRI_CONF_FP_OPTIMIZATION_SPEED 0
#define DRI_CONF_FP_OPTIMIZATION_QUALITY 1
#if 1
/**
* Fragment program helper macros
*/
/* Produce unshifted source selectors */
#define FP_TMP(idx) (idx)
#define FP_CONST(idx) ((idx) | (1 << 5))
/* Produce source/dest selector dword */
#define FP_SELC_MASK_NO 0
#define FP_SELC_MASK_X 1
#define FP_SELC_MASK_Y 2
#define FP_SELC_MASK_XY 3
#define FP_SELC_MASK_Z 4
#define FP_SELC_MASK_XZ 5
#define FP_SELC_MASK_YZ 6
#define FP_SELC_MASK_XYZ 7
#define FP_SELC(destidx,regmask,outmask,src0,src1,src2) \
(((destidx) << R300_ALU_DSTC_SHIFT) | \
(FP_SELC_MASK_##regmask << 23) | \
(FP_SELC_MASK_##outmask << 26) | \
((src0) << R300_ALU_SRC0C_SHIFT) | \
((src1) << R300_ALU_SRC1C_SHIFT) | \
((src2) << R300_ALU_SRC2C_SHIFT))
#define FP_SELA_MASK_NO 0
#define FP_SELA_MASK_W 1
#define FP_SELA(destidx,regmask,outmask,src0,src1,src2) \
(((destidx) << R300_ALU_DSTA_SHIFT) | \
(FP_SELA_MASK_##regmask << 23) | \
(FP_SELA_MASK_##outmask << 24) | \
((src0) << R300_ALU_SRC0A_SHIFT) | \
((src1) << R300_ALU_SRC1A_SHIFT) | \
((src2) << R300_ALU_SRC2A_SHIFT))
/* Produce unshifted argument selectors */
#define FP_ARGC(source) R300_ALU_ARGC_##source
#define FP_ARGA(source) R300_ALU_ARGA_##source
#define FP_ABS(arg) ((arg) | (1 << 6))
#define FP_NEG(arg) ((arg) ^ (1 << 5))
/* Produce instruction dword */
#define FP_INSTRC(opcode,arg0,arg1,arg2) \
(R300_ALU_OUTC_##opcode | \
((arg0) << R300_ALU_ARG0C_SHIFT) | \
((arg1) << R300_ALU_ARG1C_SHIFT) | \
((arg2) << R300_ALU_ARG2C_SHIFT))
#define FP_INSTRA(opcode,arg0,arg1,arg2) \
(R300_ALU_OUTA_##opcode | \
((arg0) << R300_ALU_ARG0A_SHIFT) | \
((arg1) << R300_ALU_ARG1A_SHIFT) | \
((arg2) << R300_ALU_ARG2A_SHIFT))
#endif
struct r300_fragment_program;
extern void r300TranslateFragmentShader(r300ContextPtr r300,
struct r300_fragment_program *fp);
#endif
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