tests/spec/arb_shader_storage_buffer_object/deletebuffers.c

   1 /*
   2  * Copyright © 2015 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
  21  * DEALINGS IN THE SOFTWARE.
  22  */
  23
  24 /** @file deletebuffers.c
  25  *
  26  * Tests that glDeleteBuffers() also removes the
  27  * glBindBufferBase()/glBindBufferRange() bindings along with the
  28  * usual glBindBuffer() binding.
  29  */
  30
  31 #include "piglit-util-gl.h"
  32
  33 PIGLIT_GL_TEST_CONFIG_BEGIN
  34
  35         config.supports_gl_compat_version = 32;
  36         config.supports_gl_core_version = 32;
  37         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  38         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  39
  40 PIGLIT_GL_TEST_CONFIG_END
  41
  42 void
  43 piglit_init(int argc, char **argv)
  44 {
  45         bool pass = true;
  46         GLuint bo[2];
  47         GLint binding;
  48
  49         piglit_require_extension("GL_ARB_shader_storage_buffer_object");
  50
  51         glGetIntegeri_v(GL_SHADER_STORAGE_BUFFER_BINDING, 0, &binding);
  52         if (binding != 0) {
  53                 fprintf(stderr, "Default SSBO binding should be 0, was %d\n",
  54                         binding);
  55                 piglit_report_result(PIGLIT_FAIL);
  56         }
  57
  58         glGenBuffers(2, bo);
  59
  60         glBindBuffer(GL_SHADER_STORAGE_BUFFER, bo[0]);
  61         glBufferData(GL_SHADER_STORAGE_BUFFER, 4, NULL, GL_STATIC_DRAW);
  62         glBindBufferBase(GL_SHADER_STORAGE_BUFFER, 0, bo[0]);
  63
  64         glBindBuffer(GL_SHADER_STORAGE_BUFFER, bo[1]);
  65         glBufferData(GL_SHADER_STORAGE_BUFFER, 4, NULL, GL_STATIC_DRAW);
  66         glBindBufferRange(GL_SHADER_STORAGE_BUFFER, 1, bo[1], 0, 4);
  67
  68         glDeleteBuffers(2, bo);
  69
  70         if (glIsBuffer(bo[0]) || glIsBuffer(bo[1])) {
  71                 fprintf(stderr, "Failed to delete buffers\n");
  72                 pass = false;
  73         }
  74
  75         glGetIntegerv(GL_SHADER_STORAGE_BUFFER_BINDING, &binding);
  76         if (binding != 0) {
  77                 printf("111 Failed to unbind glBindBuffer() buffer %d:\n"
  78                        "  binding set to %d, should be 0\n",
  79                        bo[1], binding);
  80                 pass = false;
  81         }
  82
  83         glGetIntegeri_v(GL_SHADER_STORAGE_BUFFER_BINDING, 0, &binding);
  84         if (binding != 0) {
  85                 printf("Failed to unbind glBindBufferBase() buffer %d:\n"
  86                        "  binding set to %d, should be 0\n",
  87                        bo[0], binding);
  88                 pass = false;
  89         }
  90
  91         glGetIntegeri_v(GL_SHADER_STORAGE_BUFFER_BINDING, 1, &binding);
  92         if (binding != 0) {
  93                 printf("Failed to unbind glBindBufferRange() buffer %d:\n"
  94                        "  binding set to %d, should be 0\n",
  95                        bo[1], binding);
  96                 pass = false;
  97         }
  98
  99         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 100 }
 101
 102 enum piglit_result piglit_display(void)
 103 {
 104         /* UNREACHED */
 105         return PIGLIT_FAIL;
 106 }
 107