ARB_ubo/referenced-by-shader: pass if shader compiler moves UBOs between shaders
[piglit.git] / tests / spec / arb_clear_buffer_object / zero-size.c
blobdd630a197643142d3b3ca08745968d4ad145bdfb
1 /*
2 * Copyright © 2014 Intel Corporation
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:
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.
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.
24 /**
25 * \file zero-size.c
27 * Clear with size set to zero and verify that the buffer data was not altered.
30 #include "piglit-util-gl.h"
31 #include "common.h"
33 PIGLIT_GL_TEST_CONFIG_BEGIN
35 config.supports_gl_compat_version = 15;
36 config.supports_gl_core_version = 31;
37 config.khr_no_error_support = PIGLIT_NO_ERRORS;
39 PIGLIT_GL_TEST_CONFIG_END
42 void
43 piglit_init(int argc, char **argv)
45 bool pass = true;
46 const int buffer_size = 1<<20;
47 unsigned int buffer;
48 static const char *const data_zero = "\x00\x00\x00\x00";
49 static const char *const data_init = "\xff\xff\xff\xff"
50 "\xff\xff\xff\xff"
51 "\x00\x00\x00\x00"
52 "\x00\x00\x00\x00"
53 "\x55\x55\x55\x55"
54 "\x55\x55\x55\x55"
55 "\xaa\xaa\xaa\xaa"
56 "\xaa\xaa\xaa\xaa"
57 "\xff\x00\xff\x00"
58 "\xff\x00\xff\x00"
59 "\x00\xff\x00\xff"
60 "\x00\xff\x00\xff"
61 "\x91\xcc\x45\x36"
62 "\xd3\xe4\xe3\x5b"
63 "\x79\x1e\x21\x39"
64 "\xa8\xfa\x69\x6a";
67 piglit_require_extension("GL_ARB_clear_buffer_object");
69 glGenBuffers(1, &buffer);
70 glBindBuffer(GL_ARRAY_BUFFER, buffer);
71 glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
72 fill_array_buffer(64, data_init);
74 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, 0, 0, GL_RGBA,
75 GL_UNSIGNED_BYTE, data_zero);
76 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, buffer_size/2, 0, GL_RGBA,
77 GL_UNSIGNED_BYTE, data_zero);
78 glClearBufferSubData(GL_ARRAY_BUFFER, GL_RGBA8, buffer_size, 0, GL_RGBA,
79 GL_UNSIGNED_BYTE, data_zero);
81 pass = check_array_buffer_data(64, data_init) && pass;
83 glBindBuffer(GL_ARRAY_BUFFER, 0);
84 glDeleteBuffers(1, &buffer);
86 pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
88 piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
92 enum piglit_result
93 piglit_display(void)
95 return PIGLIT_PASS;