tests/spec/arb_clear_buffer_object/mapped.c

   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 mapped.c
  26  *
  27  * From the GL_ARB_clear_buffer_object spec:
  28  * "An INVALID_OPERATION error is generated if any part of the specified range
  29  * of the buffer bound to <target> is currently mapped."
  30  */
  31
  32 #include "piglit-util-gl.h"
  33
  34 PIGLIT_GL_TEST_CONFIG_BEGIN
  35
  36         config.supports_gl_compat_version = 15;
  37         config.supports_gl_core_version = 31;
  38         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  39
  40 PIGLIT_GL_TEST_CONFIG_END
  41
  42
  43 void
  44 piglit_init(int argc, char **argv)
  45 {
  46         bool pass = true;
  47         const int buffer_size = 1<<20;
  48         unsigned int buffer;
  49         static const char *const data_zero = "\x00\x00\x00\x00";
  50
  51         piglit_require_extension("GL_ARB_clear_buffer_object");
  52
  53         glGenBuffers(1, &buffer);
  54         glBindBuffer(GL_ARRAY_BUFFER, buffer);
  55         glBufferData(GL_ARRAY_BUFFER, buffer_size, NULL, GL_STREAM_READ);
  56
  57         glMapBuffer(GL_ARRAY_BUFFER, GL_WRITE_ONLY);
  58         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  59         glClearBufferData(GL_ARRAY_BUFFER, GL_RGBA8, GL_RGBA, GL_UNSIGNED_SHORT,
  60                         data_zero);
  61         pass = piglit_check_gl_error(GL_INVALID_OPERATION) && pass;
  62
  63         glUnmapBuffer(GL_ARRAY_BUFFER);
  64         glBindBuffer(GL_ARRAY_BUFFER, 0);
  65         glDeleteBuffers(1, &buffer);
  66
  67         pass = piglit_check_gl_error(GL_NO_ERROR) && pass;
  68
  69         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  70 }
  71
  72
  73 enum piglit_result
  74 piglit_display(void)
  75 {
  76         return PIGLIT_PASS;
  77 }
  78