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
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
|
/*
* Copyright © 2009 Intel Corporation
*
* 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 AUTHORS OR COPYRIGHT HOLDERS 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.
*/
/**
* \file prog_parameter_layout.c
* \brief Helper functions to layout storage for program parameters
*
* \author Ian Romanick <ian.d.romanick@intel.com>
*/
#include "main/mtypes.h"
#include "prog_parameter.h"
#include "prog_parameter_layout.h"
#include "prog_instruction.h"
#include "program_parser.h"
unsigned
_mesa_combine_swizzles(unsigned base, unsigned applied)
{
unsigned swiz = 0;
unsigned i;
for (i = 0; i < 4; i++) {
const unsigned s = GET_SWZ(applied, i);
swiz |= ((s <= SWIZZLE_W) ? GET_SWZ(base, s) : s) << (i * 3);
}
return swiz;
}
/**
* Copy indirect access array from one parameter list to another
*
* \param src Parameter array copied from
* \param dst Parameter array copied to
* \param first Index of first element in \c src to copy
* \param count Number of elements to copy
*
* \return
* The location in \c dst of the first element copied from \c src on
* success. -1 on failure.
*
* \warning
* This function assumes that there is already enough space available in
* \c dst to hold all of the elements that will be copied over.
*/
static int
copy_indirect_accessed_array(struct gl_program_parameter_list *src,
struct gl_program_parameter_list *dst,
unsigned first, unsigned count)
{
const int base = dst->NumParameters;
unsigned i;
unsigned j;
for (i = first; i < (first + count); i++) {
struct gl_program_parameter *curr = & src->Parameters[i];
if (curr->Type == PROGRAM_CONSTANT) {
j = dst->NumParameters;
} else {
for (j = 0; j < dst->NumParameters; j++) {
if (memcmp(dst->Parameters[j].StateIndexes, curr->StateIndexes,
sizeof(curr->StateIndexes)) == 0) {
return -1;
}
}
}
assert(j == dst->NumParameters);
memcpy(& dst->Parameters[j], curr,
sizeof(dst->Parameters[j]));
memcpy(dst->ParameterValues[j], src->ParameterValues[i],
sizeof(GLfloat) * 4);
curr->Name = NULL;
dst->NumParameters++;
}
return base;
}
int
_mesa_layout_parameters(struct asm_parser_state *state)
{
struct gl_program_parameter_list *layout;
struct asm_instruction *inst;
unsigned i;
layout =
_mesa_new_parameter_list_sized(state->prog->Parameters->NumParameters);
/* PASS 1: Move any parameters that are accessed indirectly from the
* original parameter list to the new parameter list.
*/
for (inst = state->inst_head; inst != NULL; inst = inst->next) {
for (i = 0; i < 3; i++) {
if (inst->SrcReg[i].Base.RelAddr) {
/* Only attempt to add the to the new parameter list once.
*/
if (!inst->SrcReg[i].Symbol->pass1_done) {
const int new_begin =
copy_indirect_accessed_array(state->prog->Parameters, layout,
inst->SrcReg[i].Symbol->param_binding_begin,
inst->SrcReg[i].Symbol->param_binding_length);
if (new_begin < 0) {
return 0;
}
inst->SrcReg[i].Symbol->param_binding_begin = new_begin;
inst->SrcReg[i].Symbol->pass1_done = 1;
}
/* Previously the Index was just the offset from the parameter
* array. Now that the base of the parameter array is known, the
* index can be updated to its actual value.
*/
inst->Base.SrcReg[i] = inst->SrcReg[i].Base;
inst->Base.SrcReg[i].Index +=
inst->SrcReg[i].Symbol->param_binding_begin;
}
}
}
/* PASS 2: Move any parameters that are not accessed indirectly from the
* original parameter list to the new parameter list.
*/
for (inst = state->inst_head; inst != NULL; inst = inst->next) {
for (i = 0; i < 3; i++) {
const struct gl_program_parameter *p;
const int idx = inst->SrcReg[i].Base.Index;
unsigned swizzle = SWIZZLE_NOOP;
/* All relative addressed operands were processed on the first
* pass. Just skip them here.
*/
if (inst->SrcReg[i].Base.RelAddr) {
continue;
}
if ((inst->SrcReg[i].Base.File <= PROGRAM_VARYING )
|| (inst->SrcReg[i].Base.File >= PROGRAM_WRITE_ONLY)) {
continue;
}
inst->Base.SrcReg[i] = inst->SrcReg[i].Base;
p = & state->prog->Parameters->Parameters[idx];
switch (p->Type) {
case PROGRAM_CONSTANT: {
const float *const v =
state->prog->Parameters->ParameterValues[idx];
inst->Base.SrcReg[i].Index =
_mesa_add_unnamed_constant(layout, v, p->Size, & swizzle);
inst->Base.SrcReg[i].Swizzle =
_mesa_combine_swizzles(swizzle, inst->Base.SrcReg[i].Swizzle);
break;
}
case PROGRAM_STATE_VAR:
inst->Base.SrcReg[i].Index =
_mesa_add_state_reference(layout, p->StateIndexes);
break;
default:
break;
}
inst->SrcReg[i].Base.File = p->Type;
inst->Base.SrcReg[i].File = p->Type;
}
}
_mesa_free_parameter_list(state->prog->Parameters);
state->prog->Parameters = layout;
return 1;
}
|
