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
|
/*
* Copyright © 2013 LunarG, Inc.
*
* 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.
*
* Author: Jon Ashburn <jon@lunarg.com>
*/
/** @file minmax.c
*
* Test for the minimum maximum values listed in section 23 "State Tables"
* (23.54) of the GL Core profile 4.3 spec relating to ARB_viewport_array.
* Tested GLenums are GL_MAX_VIEWPORT_DIMS, GL_MAX_VIEWPORTS,
* GL_VIEWPORT_SUBPIXEL_BITS, GL_VIEWPORT_BOUNDS_RANGE,
* GL_LAYER_PROVOKING_VERTEX, GL_VIEWPORT_INDEX_PROVOKING_VERTEX.
*/
#include "piglit-util-gl.h"
#include "minmax-test.h"
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_core_version = 32;
config.supports_gl_compat_version = 32;
config.supports_gl_es_version = 31;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
PIGLIT_GL_TEST_CONFIG_END
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
GLint layer, index;
#ifdef PIGLIT_USE_OPENGL
piglit_require_extension("GL_ARB_viewport_array");
#else
piglit_require_extension("GL_OES_viewport_array");
#endif
piglit_print_minmax_header();
piglit_test_min_viewport_dimensions(); /* GL_MAX_VIEWPORT_DIMS */
piglit_test_min_int(GL_MAX_VIEWPORTS, 16);
piglit_test_min_int(GL_VIEWPORT_SUBPIXEL_BITS, 0);
/* ARB_viewport_array extension spec says:
* "NOTE 2: range for viewport bounds:
* On GL3-capable hardware the VIEWPORT_BOUNDS_RANGE should be at
* least [-16384, 16383].
* On GL4-capable hardware the VIEWPORT_BOUNDS_RANGE should be at
* least [-32768, 32767]."
*
* OES_viewport_array requires the larger range.
*/
/* Since no known way to determine GL3 versus GL4 capable hardware use
GL version instead */
#ifdef PIGLIT_USE_OPENGL
if (piglit_get_gl_version() < 40)
piglit_test_range_float(GL_VIEWPORT_BOUNDS_RANGE, -16384, 16383);
else
#endif
piglit_test_range_float(GL_VIEWPORT_BOUNDS_RANGE, -32768, 32767);
/**
* ARB_viewport_array extension spec says regarding PROVOKING_VERTEX:
* "NOTE 3: Valid values are: FIRST_VERTEX_CONVENTION,
* LAST_VERTEX_CONVENTION, PROVOKING_VERTEX, UNDEFINED_VERTEX."
*/
glGetIntegerv(GL_LAYER_PROVOKING_VERTEX, &layer);
piglit_minmax_pass = piglit_check_gl_error(GL_NO_ERROR)
&& piglit_minmax_pass;
switch (layer) {
case GL_FIRST_VERTEX_CONVENTION:
case GL_LAST_VERTEX_CONVENTION:
case GL_PROVOKING_VERTEX:
case GL_UNDEFINED_VERTEX:
printf("%s %s\n",
piglit_get_gl_enum_name(GL_LAYER_PROVOKING_VERTEX),
piglit_get_gl_enum_name(layer));
break;
default:
piglit_minmax_pass = false;
printf("Invalid value for GL_LAYER_PROVOKING_VERTEX\n");
break;
}
glGetIntegerv(GL_VIEWPORT_INDEX_PROVOKING_VERTEX, &index);
piglit_minmax_pass = piglit_check_gl_error(GL_NO_ERROR)
&& piglit_minmax_pass;
switch (index) {
case GL_FIRST_VERTEX_CONVENTION:
case GL_LAST_VERTEX_CONVENTION:
case GL_PROVOKING_VERTEX:
case GL_UNDEFINED_VERTEX:
printf("%s %s\n",
piglit_get_gl_enum_name(GL_VIEWPORT_INDEX_PROVOKING_VERTEX),
piglit_get_gl_enum_name(index));
break;
default:
piglit_minmax_pass = false;
printf("Invalid value for GL_VIEWPORT_INDEX_PROVOKING_VERTEX\n");
break;
}
piglit_report_result(piglit_minmax_pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
|