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#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:1; //XXX: we need to handle negate individually
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 MAX_PFS_OP 11
#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))
#endif
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