1 /*
2 * Copyright © 2014 Intel Corporation
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
10 *
11 * The above copyright notice and this permission notice (including the next
12 * paragraph) shall be included in all copies or substantial portions of the
13 * Software.
14 *
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
16 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
17 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
18 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
19 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
20 * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
21 * IN THE SOFTWARE.
22 */
23
24 /**
25 * \file sub-overlap.c
26 *
27 * Clear multiple overlapping ranges of a buffer and check the result.
28 */
29
30 #include "piglit-util-gl.h"
31 #include "common.h"
32
33 PIGLIT_GL_TEST_CONFIG_BEGIN
34
35 config.supports_gl_compat_version = 15;
36 config.supports_gl_core_version = 31;
37 config.khr_no_error_support = PIGLIT_NO_ERRORS;
38
39 PIGLIT_GL_TEST_CONFIG_END
40
41
42 void
piglit_init(int argc,char ** argv)43 piglit_init(int argc, char **argv)
44 {
45 bool pass = true;
46 const int buffer_size = 1<<20;
47 unsigned int buffer;
48 static const char *const data_7f = "\x7f\x7f\x7f\x7f";
49 static const char *const data_zero = "\x00\x00\x00\x00";
50 static const char *const data_one = "\xff\xff\xff\xff";
51 static const char *const data_init = "\xff\xff\xff\xff"
52 "\xff\xff\xff\xff"
53 "\x00\x00\x00\x00"
54 "\x00\x00\x00\x00"
55 "\x55\x55\x55\x55"
56 "\x55\x55\x55\x55"
57 "\xaa\xaa\xaa\xaa"
58 "\xaa\xaa\xaa\xaa"
59 "\xff\x00\xff\x00"
60 "\xff\x00\xff\x00"
61 "\x00\xff\x00\xff"
62 "\x00\xff\x00\xff"
63 "\x91\xcc\x45\x36"
64 "\xd3\xe4\xe3\x5b"
65 "\x79\x1e\x21\x39"
66 "\xa8\xfa\x69\x6a";
67
68
69 piglit_require_extension("GL_ARB_clear_buffer_object");
70
71 glGenBuffers(1, &buffer);
72 glBindBuffer(GL_ARRAY_BUFFER, buffer);
73 glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
74 fill_array_buffer(64, data_init);
75
76 /* Buffer contents:
77 * xx xx xx xx xx xx xx xx
78 */
79 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 1*buffer_size/8,
80 buffer_size/4, GL_RGBA, GL_UNSIGNED_BYTE, data_7f);
81 /* xx 7f 7f xx xx xx xx xx */
82 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 2*buffer_size/8,
83 buffer_size/4, GL_RGBA, GL_UNSIGNED_BYTE, data_zero);
84 /* xx 7f 00 00 xx xx xx xx */
85 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 3*buffer_size/8,
86 buffer_size/4, GL_RGBA, GL_UNSIGNED_BYTE, data_one);
87 /* xx 7f 00 FF FF xx xx xx */
88
89 pass = check_array_buffer_sub_data(0, buffer_size/8,
90 64, data_init) && pass;
91 pass = check_array_buffer_sub_data(1*buffer_size/8, buffer_size/8,
92 4, data_7f) && pass;
93 pass = check_array_buffer_sub_data(2*buffer_size/8, buffer_size/8,
94 4, data_zero) && pass;
95 pass = check_array_buffer_sub_data(3*buffer_size/8, buffer_size/4,
96 4, data_one) && pass;
97 pass = check_array_buffer_sub_data(5*buffer_size/8, 3*buffer_size/8,
98 64, data_init) && pass;
99
100 glBindBuffer(GL_ARRAY_BUFFER, 0);
101 glDeleteBuffers(1, &buffer);
102
103 pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
104
105 piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
106 }
107
108
109 enum piglit_result
piglit_display(void)110 piglit_display(void)
111 {
112 return PIGLIT_PASS;
113 }
114
115