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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( GLcontext *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)
#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)<<R200_VPI_IN_REG_INDEX_SHIFT) \
| ((comp_x)<<R200_VPI_IN_X_SHIFT) \
| ((comp_y)<<R200_VPI_IN_Y_SHIFT) \
| ((comp_z)<<R200_VPI_IN_Z_SHIFT) \
| ((comp_w)<<R200_VPI_IN_W_SHIFT) \
| ((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
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