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
214
215
216
217
218
219
220
221
|
/*
* 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 vp-max-array.c
* Validate creation of a single maximally sized parameter array.
*
* \author Ian Romanick <ian.d.romanick@intel.com>
*/
#include "piglit-util-gl-common.h"
#include "piglit-framework.h"
PIGLIT_GL_TEST_MAIN(
100 /*window_width*/,
100 /*window_height*/,
PIGLIT_GL_VISUAL_RGB)
static const char template_header[] =
"!!ARBvp1.0\n"
"OPTION ARB_position_invariant;\n"
"PARAM colors[%d] = {\n"
;
static const char template_footer[] =
" };\n"
"MOV result.color, colors[0];\n"
"END\n"
;
static const char max_native_template_footer[] =
" };\n"
"ADDRESS a;\n"
"ARL a.x, vertex.position.x;\n"
"MOV result.color, colors[a.x];\n"
"END\n"
;
static const char max_local_template[] =
"!!ARBvp1.0\n"
"OPTION ARB_position_invariant;\n"
"PARAM colors[96] = {\n"
" program.%s[0..48],\n"
" program.%s[%d..%d]\n"
" };\n"
"ADDRESS a;\n"
"ARL a.x, vertex.position.x;\n"
"MOV result.color, colors[a.x];\n"
"END\n"
;
enum piglit_result
piglit_display(void)
{
return PIGLIT_PASS;
}
bool
query_and_require_limit(GLenum pname, GLint *param, const char *name,
GLint minimum_maximum)
{
glGetProgramivARB(GL_VERTEX_PROGRAM_ARB, pname, param);
if (*param < minimum_maximum) {
fprintf(stderr, "%s: Expected at least %d, got %d\n",
name, minimum_maximum, *param);
return false;
}
return true;
}
void
piglit_init(int argc, char **argv)
{
GLint max_parameters;
GLint max_native_parameters;
GLint max_local_parameters;
GLint max_env_parameters;
char *shader_source;
bool pass = true;
size_t len;
int offset;
unsigned i;
(void) argc;
(void) argv;
piglit_require_vertex_program();
/* First, query all of the limits.
*/
pass = query_and_require_limit(GL_MAX_PROGRAM_PARAMETERS_ARB,
& max_parameters,
"GL_MAX_PROGRAM_PARAMETERS_ARB",
96)
&& pass;
pass = query_and_require_limit(GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB,
& max_native_parameters,
"GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB",
96)
&& pass;
pass = query_and_require_limit(GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB,
& max_local_parameters,
"GL_MAX_PROGRAM_LOCAL_PARAMETERS_ARB",
96)
&& pass;
pass = query_and_require_limit(GL_MAX_PROGRAM_ENV_PARAMETERS_ARB,
& max_env_parameters,
"GL_MAX_PROGRAM_ENV_PARAMETERS_ARB",
96)
&& pass;
if (!pass) {
piglit_report_result(PIGLIT_FAIL);
}
/* Allocate a buffer big enough to hold any program that this test
* might generate.
*/
len = sizeof(template_header)
+ sizeof(template_footer)
+ sizeof(max_native_template_footer)
+ (80 * max_parameters) + 1;
shader_source = malloc(len);
if (shader_source == NULL)
piglit_report_result(PIGLIT_FAIL);
/* Generate a program that uses the full parameter space using an
* array of constants. Since only one parameter is statically used,
* this exercises GL_MAX_PROGRAM_PARAMETERS_ARB and *not*
* GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB.
*/
offset = snprintf(shader_source, len, template_header, max_parameters);
for (i = 0; i < max_parameters; i++) {
int comma = (i < (max_parameters - 1)) ? ',' : ' ';
int used = snprintf(& shader_source[offset],
len - offset,
"\t\t{ %.1f, %.1f, %.1f, %.1f }%c\n",
(float) i,
(float) i + 0.2,
(float) i + 0.4,
(float) i + 0.6,
comma);
offset += used;
}
memcpy(& shader_source[offset], template_footer,
sizeof(template_footer));
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
/* Generate a program that uses the full native parameter space using
* an array of constants. The array is accessed indirectly, so the
* assembler cannot know which elements may be used. As a result, it
* has to upload all of them. This exercises
* GL_MAX_PROGRAM_NATIVE_PARAMETERS_ARB.
*/
offset = snprintf(shader_source, len, template_header,
max_native_parameters);
for (i = 0; i < max_native_parameters; i++) {
int comma = (i < (max_native_parameters - 1)) ? ',' : ' ';
int used = snprintf(& shader_source[offset],
len - offset,
"\t\t{ %.1f, %.1f, %.1f, %.1f }%c\n",
(float) i,
(float) i + 0.2,
(float) i + 0.4,
(float) i + 0.6,
comma);
offset += used;
}
memcpy(& shader_source[offset], max_native_template_footer,
sizeof(max_native_template_footer));
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
/* Generate a program that uses as much of the local parameter space
* as possible. This basically tries to hit both ends of the
* program.local array without making assumptions about the relative
* amount of parameter space. We only assume that the
* minimum-maximums of 96 are respected by the GL implementation.
*/
snprintf(shader_source, len, max_local_template,
"local",
"local", max_local_parameters - 47, max_local_parameters - 1);
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
/* Generate a program that uses as much of the env parameter space
* as possible. This basically tries to hit both ends of the
* program.env array without making assumptions about the relative
* amount of parameter space. We only assume that the
* minimum-maximums of 96 are respected by the GL implementation.
*/
snprintf(shader_source, len, max_local_template,
"env",
"env", max_env_parameters - 47, max_env_parameters - 1);
(void) piglit_compile_program(GL_VERTEX_PROGRAM_ARB, shader_source);
}
|
