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
|
/*
* Copyright © 2012 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 getactiveuniformsiv-uniform-array-stride.c
*
* Tests that (std140 layout) uniform array strides are reported
* correctly through the API.
*/
#include "piglit-util-gl.h"
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_NO_ERRORS;
PIGLIT_GL_TEST_CONFIG_END
static const char fs_source[] =
"#extension GL_ARB_uniform_buffer_object : require\n"
"\n"
"layout(std140) uniform ub {\n"
" vec4 a;\n"
" vec4 b[2];\n"
" float c[2];\n"
" mat4 d[2];\n"
"};\n"
"uniform vec4 e;\n"
"uniform vec4 f[2];\n"
"\n"
"void main()\n"
"{\n"
" gl_FragColor = a + b[0] + vec4(c[0]) + d[0][0] + e + f[0];\n"
"}\n";
void
piglit_init(int argc, char **argv)
{
bool pass = true;
GLuint prog;
const char *uniform_names[] = { "a", "b", "c", "d", "e", "f" };
int expected_strides[] = { 0, 16, 16, 64, -1, -1 };
GLint strides[ARRAY_SIZE(uniform_names)];
GLuint uniform_indices[ARRAY_SIZE(uniform_names)];
int i;
piglit_require_extension("GL_ARB_uniform_buffer_object");
prog = piglit_build_simple_program(NULL, fs_source);
glGetUniformIndices(prog, ARRAY_SIZE(uniform_names), uniform_names,
uniform_indices);
glGetActiveUniformsiv(prog, ARRAY_SIZE(uniform_names), uniform_indices,
GL_UNIFORM_ARRAY_STRIDE, strides);
for (i = 0; i < ARRAY_SIZE(uniform_names); i++) {
printf("Uniform \"%s\": stride %d, expected %d",
uniform_names[i],
strides[i],
expected_strides[i]);
if (strides[i] != expected_strides[i]) {
printf(" FAIL");
pass = false;
}
printf("\n");
}
piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
}
enum piglit_result piglit_display(void)
{
/* UNREACHED */
return PIGLIT_FAIL;
}
|
