aboutsummaryrefslogtreecommitdiffstats
path: root/src/mesa/drivers/dri/r300/r300_vertprog.h
blob: 006dddacc8f9a5fc687fb557b918635666ad658d (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
#ifndef __R300_VERTPROG_H_
#define __R300_VERTPROG_H_

#include "r300_reg.h"

#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

/* first DWORD of an instruction */

#define PVS_VECTOR_OPCODE(op, out_reg_index, out_reg_fields, class) \
   ((op)  \
  	| ((out_reg_index) << R300_VPI_OUT_REG_INDEX_SHIFT) 	\
 	 | ((out_reg_fields) << 20) 	\
  	| ( (class) << 8 ) )

#define PVS_DST_MATH_INST	(1 << 6)

#define PVS_MATH_OPCODE(op, out_reg_index, out_reg_fields, class) \
   ((op)  \
    | PVS_DST_MATH_INST \
  	| ((out_reg_index) << R300_VPI_OUT_REG_INDEX_SHIFT) 	\
 	 | ((out_reg_fields) << 20) 	\
  	| ( (class) << 8 ) )

/* according to Nikolai, the subsequent 3 DWORDs are sources, use same define for each */

#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)<<R300_VPI_IN_REG_INDEX_SHIFT) \
	   | ((comp_x)<<R300_VPI_IN_X_SHIFT) \
	   | ((comp_y)<<R300_VPI_IN_Y_SHIFT) \
	   | ((comp_z)<<R300_VPI_IN_Z_SHIFT) \
	   | ((comp_w)<<R300_VPI_IN_W_SHIFT) \
	   | ((negate)<<25) | ((class)))

/* special sources: */

/* (1.0,1.0,1.0,1.0) vector (ATTR, plain ) */
#define VSF_ATTR_UNITY(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_ONE, VSF_IN_COMPONENT_ONE, VSF_IN_COMPONENT_ONE, VSF_IN_COMPONENT_ONE, VSF_IN_CLASS_ATTR, VSF_FLAG_NONE)
#define VSF_UNITY(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_ONE, VSF_IN_COMPONENT_ONE, VSF_IN_COMPONENT_ONE, VSF_IN_COMPONENT_ONE, VSF_IN_CLASS_NONE, VSF_FLAG_NONE)

/* contents of unmodified register */
#define VSF_REG(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_Y, VSF_IN_COMPONENT_Z, VSF_IN_COMPONENT_W, VSF_IN_CLASS_ATTR, VSF_FLAG_NONE)

/* contents of unmodified parameter */
#define VSF_PARAM(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_Y, VSF_IN_COMPONENT_Z, VSF_IN_COMPONENT_W, VSF_IN_CLASS_PARAM, VSF_FLAG_NONE)

/* contents of unmodified temporary register */
#define VSF_TMP(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_Y, VSF_IN_COMPONENT_Z, VSF_IN_COMPONENT_W, VSF_IN_CLASS_TMP, VSF_FLAG_NONE)

/* components of ATTR register */
#define VSF_ATTR_X(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_X, VSF_IN_COMPONENT_X, VSF_IN_CLASS_ATTR, VSF_FLAG_NONE)
#define VSF_ATTR_Y(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_Y, VSF_IN_COMPONENT_Y, VSF_IN_COMPONENT_Y, VSF_IN_COMPONENT_Y, VSF_IN_CLASS_ATTR, VSF_FLAG_NONE)
#define VSF_ATTR_Z(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_Z, VSF_IN_COMPONENT_Z, VSF_IN_COMPONENT_Z, VSF_IN_COMPONENT_Z, VSF_IN_CLASS_ATTR, VSF_FLAG_NONE)
#define VSF_ATTR_W(reg) \
	MAKE_VSF_SOURCE(reg, VSF_IN_COMPONENT_W, VSF_IN_COMPONENT_W, VSF_IN_COMPONENT_W, VSF_IN_COMPONENT_W, VSF_IN_CLASS_ATTR, VSF_FLAG_NONE)

#if 1

/**
 * Vertex program helper macros
 */

/* Produce out dword */
#define VP_OUTCLASS_TMP		R300_VPI_OUT_REG_CLASS_TEMPORARY
#define VP_OUTCLASS_OUT		R300_VPI_OUT_REG_CLASS_RESULT

#define VP_OUTMASK_X	R300_VPI_OUT_WRITE_X
#define VP_OUTMASK_Y	R300_VPI_OUT_WRITE_Y
#define VP_OUTMASK_Z	R300_VPI_OUT_WRITE_Z
#define VP_OUTMASK_W	R300_VPI_OUT_WRITE_W
#define VP_OUTMASK_XY	(VP_OUTMASK_X|VP_OUTMASK_Y)
#define VP_OUTMASK_XZ	(VP_OUTMASK_X|VP_OUTMASK_Z)
#define VP_OUTMASK_XW	(VP_OUTMASK_X|VP_OUTMASK_W)
#define VP_OUTMASK_XYZ	(VP_OUTMASK_XY|VP_OUTMASK_Z)
#define VP_OUTMASK_XYW	(VP_OUTMASK_XY|VP_OUTMASK_W)
#define VP_OUTMASK_XZW	(VP_OUTMASK_XZ|VP_OUTMASK_W)
#define VP_OUTMASK_XYZW	(VP_OUTMASK_XYZ|VP_OUTMASK_W)
#define VP_OUTMASK_YZ	(VP_OUTMASK_Y|VP_OUTMASK_Z)
#define VP_OUTMASK_YW	(VP_OUTMASK_Y|VP_OUTMASK_W)
#define VP_OUTMASK_YZW	(VP_OUTMASK_YZ|VP_OUTMASK_W)
#define VP_OUTMASK_ZW	(VP_OUTMASK_Z|VP_OUTMASK_W)

#define VP_OUT(instr,outclass,outidx,outmask) \
	(VE_##instr |				\
	((outidx) << R300_VPI_OUT_REG_INDEX_SHIFT) |		\
	VP_OUTCLASS_##outclass |				\
	VP_OUTMASK_##outmask)

/* Produce in dword */
#define VP_INCLASS_TMP		R300_VPI_IN_REG_CLASS_TEMPORARY
#define VP_INCLASS_IN		R300_VPI_IN_REG_CLASS_ATTRIBUTE
#define VP_INCLASS_CONST	R300_VPI_IN_REG_CLASS_PARAMETER

#define VP_IN(class,idx) \
	(((idx) << R300_VPI_IN_REG_INDEX_SHIFT) |		\
	VP_INCLASS_##class |					\
	(R300_VPI_IN_SELECT_X << R300_VPI_IN_X_SHIFT) |		\
	(R300_VPI_IN_SELECT_Y << R300_VPI_IN_Y_SHIFT) |		\
	(R300_VPI_IN_SELECT_Z << R300_VPI_IN_Z_SHIFT) |		\
	(R300_VPI_IN_SELECT_W << R300_VPI_IN_W_SHIFT))
#define VP_ZERO() \
	((R300_VPI_IN_SELECT_ZERO << R300_VPI_IN_X_SHIFT) |	\
	(R300_VPI_IN_SELECT_ZERO << R300_VPI_IN_Y_SHIFT) |	\
	(R300_VPI_IN_SELECT_ZERO << R300_VPI_IN_Z_SHIFT) |	\
	(R300_VPI_IN_SELECT_ZERO << R300_VPI_IN_W_SHIFT))
#define VP_ONE() \
	((R300_VPI_IN_SELECT_ONE << R300_VPI_IN_X_SHIFT) |	\
	(R300_VPI_IN_SELECT_ONE << R300_VPI_IN_Y_SHIFT) |	\
	(R300_VPI_IN_SELECT_ONE << R300_VPI_IN_Z_SHIFT) |	\
	(R300_VPI_IN_SELECT_ONE << R300_VPI_IN_W_SHIFT))

#define VP_NEG(in,comp)		((in) ^ (R300_VPI_IN_NEG_##comp))
#define VP_NEGALL(in,comp)	VP_NEG(VP_NEG(VP_NEG(VP_NEG((in),X),Y),Z),W)

#endif

#endif