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
|
/* Copyright © 2011 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 INd 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.
*/
#include "piglit-util-gl.h"
#include "sized-internalformats.h"
/**
* @file sized-texture-format-channels.c
*
* Tests that sized internalformats of textures have the correct set
* of channels exposed.
*
* From the GL 2.1 specification page 153 (page 167 of the PDF):
*
* "If a sized internal format is specified, the mapping of the R,
* G, B, A, and depth values to texture components is equivalent
* to the mapping of the correspond- ing base internal format’s
* components, as specified in table 3.15, and the memory
* allocation per texture component is assigned by the GL to
* match the allocations listed in table 3.16 as closely as
* possible. (The definition of closely is left up to the
* implementation. However, a non-zero number of bits must be
* allocated for each component whose desired allocation in table
* 3.16 is non-zero, and zero bits must be allocated for all
* other components)."
*
* This test will fail if for the zero vs non-zero cases above, and
* will informationally print the channel sizes when they don't
* exactly match.
*/
PIGLIT_GL_TEST_CONFIG_BEGIN
config.supports_gl_compat_version = 10;
config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
config.khr_no_error_support = PIGLIT_HAS_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
GLenum type_queries[CHANNELS] = {
GL_TEXTURE_RED_TYPE,
GL_TEXTURE_GREEN_TYPE,
GL_TEXTURE_BLUE_TYPE,
GL_TEXTURE_ALPHA_TYPE,
GL_TEXTURE_LUMINANCE_TYPE,
GL_TEXTURE_INTENSITY_TYPE,
GL_TEXTURE_DEPTH_TYPE,
GL_NONE,
};
GLenum size_queries[CHANNELS] = {
GL_TEXTURE_RED_SIZE,
GL_TEXTURE_GREEN_SIZE,
GL_TEXTURE_BLUE_SIZE,
GL_TEXTURE_ALPHA_SIZE,
GL_TEXTURE_LUMINANCE_SIZE,
GL_TEXTURE_INTENSITY_SIZE,
GL_TEXTURE_DEPTH_SIZE,
GL_TEXTURE_STENCIL_SIZE,
};
enum piglit_result
piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLuint tex;
int i, c;
const struct sized_internalformat *f;
glGenTextures(1, &tex);
glBindTexture(GL_TEXTURE_2D, tex);
for (i = 0; sized_internalformats[i].token != GL_NONE; i++) {
GLint sizes[CHANNELS];
bool format_fail = false, format_print = false;
GLenum format, type;
f = &sized_internalformats[i];
if (get_channel_size(f, D) && get_channel_size(f, S)) {
format = GL_DEPTH_STENCIL;
type = GL_UNSIGNED_INT_24_8;
} else if (get_channel_size(f, D)) {
format = GL_DEPTH_COMPONENT;
type = GL_FLOAT;
} else {
format = GL_RGBA;
type = GL_FLOAT;
/* Have to specify integer data for integer textures. */
for (c = R; c <= I; c++) {
if (get_channel_type(f, c) == GL_UNSIGNED_INT ||
get_channel_type(f, c) == GL_INT) {
format = GL_RGBA_INTEGER;
type = GL_UNSIGNED_INT;
break;
}
}
}
glTexImage2D(GL_TEXTURE_2D, 0, f->token,
1, 1, 0,
format, type, NULL);
if (glGetError() != 0) {
/* We aren't checking for particular
* extensions before trying to create the
* texture, so don't complain about formats
* producing errors.
*/
continue;
}
for (c = 0; c < CHANNELS; c++) {
glGetTexLevelParameteriv(GL_TEXTURE_2D, 0,
size_queries[c], &sizes[c]);
if ((f->bits[c] == NONE) != (sizes[c] == 0))
format_fail = true;
if (f->bits[c] != SCMP && f->bits[c] != UCMP) {
if (get_channel_size(f, c) != sizes[c])
format_print = true;
}
}
if (format_fail || format_print) {
printf("format %s%s:\n",
piglit_get_gl_enum_name(f->token),
format_fail ? " failure" : "");
printf(" expected: ");
for (c = 0; c < CHANNELS; c++) {
if (sizes[c] == ~0)
printf("?? ");
else
printf("%2d ", get_channel_size(f, c));
}
printf("\n");
printf(" observed: ");
for (c = 0; c < CHANNELS; c++) {
printf("%2d ", sizes[c]);
}
printf("\n");
if (format_fail)
pass = false;
}
}
glDeleteTextures(1, &tex);
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
|
