1 /*
2 * Copyright © Marek Olšák <maraeo@gmail.com>
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 #include "piglit-util-gl.h"
26
27 PIGLIT_GL_TEST_CONFIG_BEGIN
28
29 config.supports_gl_compat_version = 10;
30
31 config.window_visual = PIGLIT_GL_VISUAL_RGB | PIGLIT_GL_VISUAL_DOUBLE;
32
33 PIGLIT_GL_TEST_CONFIG_END
34
35 enum piglit_result
piglit_display(void)36 piglit_display(void)
37 {
38 return PIGLIT_FAIL;
39 }
40
41 void
piglit_init(int argc,char * argv[])42 piglit_init(int argc, char *argv[])
43 {
44 GLuint b1, b2;
45 uintptr_t ptr;
46 GLint alignment = 0;
47
48 piglit_require_gl_version(15);
49
50 piglit_require_extension("GL_ARB_map_buffer_range");
51 piglit_require_extension("GL_ARB_map_buffer_alignment");
52
53 glGetIntegerv(GL_MIN_MAP_BUFFER_ALIGNMENT, &alignment);
54
55 /* Sanity check. */
56 if (alignment < 64) {
57 printf("GL_MIN_MAP_BUFFER_ALIGNMENT must be at least 64.\n");
58 piglit_report_result(PIGLIT_FAIL);
59 }
60
61 glGenBuffers(1, &b1);
62 glBindBuffer(GL_ARRAY_BUFFER, b1);
63 glBufferData(GL_ARRAY_BUFFER, alignment + 24, NULL, GL_STATIC_DRAW);
64
65 glGenBuffers(1, &b2);
66 glBindBuffer(GL_ARRAY_BUFFER, b2);
67 glBufferData(GL_ARRAY_BUFFER, 1, NULL, GL_STATIC_DRAW);
68
69 /* glMapBufferRange, offset > 0 */
70 glBindBuffer(GL_ARRAY_BUFFER, b1);
71 ptr = (intptr_t)glMapBufferRange(GL_ARRAY_BUFFER, 24, alignment,
72 GL_MAP_READ_BIT | GL_MAP_WRITE_BIT);
73
74 if (ptr && (ptr - 24) % alignment != 0) {
75 printf("glMapBufferRange returned an unaligned pointer.\n");
76 piglit_report_result(PIGLIT_FAIL);
77 }
78
79 /* glMapBuffer. */
80 glBindBuffer(GL_ARRAY_BUFFER, b2);
81 ptr = (intptr_t)glMapBuffer(GL_ARRAY_BUFFER, GL_READ_WRITE);
82
83 if (ptr % alignment != 0) {
84 printf("glMapBuffer returned an unaligned pointer.\n");
85 piglit_report_result(PIGLIT_FAIL);
86 }
87
88 piglit_report_result(PIGLIT_PASS);
89 }
90