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#ifndef __VERTEX_SHADER_H__

#define __VERTEX_SHADER_H__

#include "r200_reg.h"

typedef struct {

   uint32_t op;

   uint32_t src0;

   uint32_t src1;

   uint32_t src2;

} VERTEX_SHADER_INSTRUCTION;

extern void r200InitShaderFuncs(struct dd_function_table *functions);

extern void r200SetupVertexProg( struct gl_context *ctx );

#define VSF_FLAG_X	1

#define VSF_FLAG_Y	2

#define VSF_FLAG_Z	4

#define VSF_FLAG_W	8

#define VSF_FLAG_XYZ	(VSF_FLAG_X | VSF_FLAG_Y | VSF_FLAG_Z)

#define VSF_FLAG_ALL	0xf

#define VSF_FLAG_NONE	0

#define R200_VSF_MAX_INST	128

#define R200_VSF_MAX_PARAM	192

#define R200_VSF_MAX_TEMPS	12

#define R200_VPI_OUT_REG_INDEX_SHIFT            13

#define R200_VPI_OUT_REG_INDEX_MASK             (31 << 13) /* GUESS based on fglrx native limits */

#define R200_VPI_OUT_WRITE_X                    (1 << 20)

#define R200_VPI_OUT_WRITE_Y                    (1 << 21)

#define R200_VPI_OUT_WRITE_Z                    (1 << 22)

#define R200_VPI_OUT_WRITE_W                    (1 << 23)

#define R200_VPI_IN_REG_CLASS_TEMPORARY         (0 << 0)

#define R200_VPI_IN_REG_CLASS_ATTRIBUTE         (1 << 0)

#define R200_VPI_IN_REG_CLASS_PARAMETER         (2 << 0)

#define R200_VPI_IN_REG_CLASS_NONE              (9 << 0)

#define R200_VPI_IN_REG_CLASS_MASK              (31 << 0) /* GUESS */

#define R200_VPI_IN_REG_INDEX_SHIFT             5

#define R200_VPI_IN_REG_INDEX_MASK              (255 << 5) /* GUESS based on fglrx native limits */

/* The R200 can select components from the input register arbitrarily.

// Use the following constants, shifted by the component shift you

// want to select */

#define R200_VPI_IN_SELECT_X    0

#define R200_VPI_IN_SELECT_Y    1

#define R200_VPI_IN_SELECT_Z    2

#define R200_VPI_IN_SELECT_W    3

#define R200_VPI_IN_SELECT_ZERO 4

#define R200_VPI_IN_SELECT_ONE  5

#define R200_VPI_IN_SELECT_MASK 7

#define R200_VPI_IN_X_SHIFT                     13

#define R200_VPI_IN_Y_SHIFT                     16

#define R200_VPI_IN_Z_SHIFT                     19

#define R200_VPI_IN_W_SHIFT                     22

#define R200_VPI_IN_NEG_X                       (1 << 25)

#define R200_VPI_IN_NEG_Y                       (1 << 26)

#define R200_VPI_IN_NEG_Z                       (1 << 27)

#define R200_VPI_IN_NEG_W                       (1 << 28)

#define R200_VSF_OUT_CLASS_TMP			(0 << 8)

#define R200_VSF_OUT_CLASS_ADDR			(3 << 8)

#define R200_VSF_OUT_CLASS_RESULT_POS		(4 << 8)

#define R200_VSF_OUT_CLASS_RESULT_COLOR		(5 << 8)

#define R200_VSF_OUT_CLASS_RESULT_TEXC		(6 << 8)

#define R200_VSF_OUT_CLASS_RESULT_FOGC		(7 << 8)

#define R200_VSF_OUT_CLASS_RESULT_POINTSIZE	(8 << 8)

#define R200_VSF_OUT_CLASS_MASK			(31 << 8)

/* opcodes - they all are the same as on r300 it seems, however

   LIT and POW require different setup */

#define R200_VPI_OUT_OP_DOT                     (1 << 0)

#define R200_VPI_OUT_OP_MUL                     (2 << 0)

#define R200_VPI_OUT_OP_ADD                     (3 << 0)

#define R200_VPI_OUT_OP_MAD                     (4 << 0)

#define R200_VPI_OUT_OP_DST                     (5 << 0)

#define R200_VPI_OUT_OP_FRC                     (6 << 0)

#define R200_VPI_OUT_OP_MAX                     (7 << 0)

#define R200_VPI_OUT_OP_MIN                     (8 << 0)

#define R200_VPI_OUT_OP_SGE                     (9 << 0)

#define R200_VPI_OUT_OP_SLT                     (10 << 0)

#define R200_VPI_OUT_OP_ARL                     (13 << 0)

#define R200_VPI_OUT_OP_EXP                     (65 << 0)

#define R200_VPI_OUT_OP_LOG                     (66 << 0)

/* base e exp. Useful for fog. */

#define R200_VPI_OUT_OP_EXP_E                   (67 << 0)

#define R200_VPI_OUT_OP_LIT                     (68 << 0)

#define R200_VPI_OUT_OP_POW                     (69 << 0)

#define R200_VPI_OUT_OP_RCP                     (70 << 0)

#define R200_VPI_OUT_OP_RSQ                     (72 << 0)

#define R200_VPI_OUT_OP_EX2                     (75 << 0)

#define R200_VPI_OUT_OP_LG2                     (76 << 0)

#define R200_VPI_OUT_OP_MAD_2                   (128 << 0)

/* first CARD32 of an instruction */

/* possible operations:

    DOT, MUL, ADD, MAD, FRC, MAX, MIN, SGE, SLT, EXP, LOG, LIT, POW, RCP, RSQ, EX2,

    LG2, MAD_2, ARL */

#define MAKE_VSF_OP(op, out_reg, out_reg_fields) \

   ((op) | (out_reg) | ((out_reg_fields) << 20) )

#define VSF_IN_CLASS_TMP	0

#define VSF_IN_CLASS_ATTR	1

#define VSF_IN_CLASS_PARAM	2

#define VSF_IN_CLASS_NONE	9

#define VSF_IN_COMPONENT_X	0

#define VSF_IN_COMPONENT_Y	1

#define VSF_IN_COMPONENT_Z	2

#define VSF_IN_COMPONENT_W	3

#define VSF_IN_COMPONENT_ZERO	4

#define VSF_IN_COMPONENT_ONE	5

#define MAKE_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \

	( ((in_reg_index)<

	   | ((comp_x)<

	   | ((comp_y)<

	   | ((comp_z)<

	   | ((comp_w)<

	   | ((negate)<<25) | ((class)))

#define EASY_VSF_SOURCE(in_reg_index, comp_x, comp_y, comp_z, comp_w, class, negate) \

	MAKE_VSF_SOURCE(in_reg_index, \

		VSF_IN_COMPONENT_##comp_x, \

		VSF_IN_COMPONENT_##comp_y, \

		VSF_IN_COMPONENT_##comp_z, \

		VSF_IN_COMPONENT_##comp_w, \

		VSF_IN_CLASS_##class, VSF_FLAG_##negate)

/* special sources: */

/* (1.0,1.0,1.0,1.0) vector (ATTR, plain ) */

#define VSF_ATTR_UNITY(reg) 	EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, ATTR, NONE)

#define VSF_UNITY(reg) 	EASY_VSF_SOURCE(reg, ONE, ONE, ONE, ONE, NONE, NONE)

/* contents of unmodified register */

#define VSF_REG(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, ATTR, NONE)

/* contents of unmodified parameter */

#define VSF_PARAM(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, PARAM, NONE)

/* contents of unmodified temporary register */

#define VSF_TMP(reg) 	EASY_VSF_SOURCE(reg, X, Y, Z, W, TMP, NONE)

/* components of ATTR register */

#define VSF_ATTR_X(reg) EASY_VSF_SOURCE(reg, X, X, X, X, ATTR, NONE)

#define VSF_ATTR_Y(reg) EASY_VSF_SOURCE(reg, Y, Y, Y, Y, ATTR, NONE)

#define VSF_ATTR_Z(reg) EASY_VSF_SOURCE(reg, Z, Z, Z, Z, ATTR, NONE)

#define VSF_ATTR_W(reg) EASY_VSF_SOURCE(reg, W, W, W, W, ATTR, NONE)

#endif