tests/spec/arb_transform_feedback3/bind_buffer_invalid_index.c

   1 /*
   2  * Copyright © 2013 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 #include "piglit-util-gl.h"
  25
  26 /**
  27  * @file bind_buffer_invalid_index.c
  28  *
  29  * Tests that invalid index given to BindBufferRange() or BindBufferBase()
  30  * is detected and an error is set. The spec says:
  31  *
  32  *  "The error INVALID_VALUE is generated by BindBufferRange,
  33  *   BindBufferOffsetEXT, or BindBufferBase if <target> is
  34  *   TRANSFORM_FEEDBACK_BUFFER and <index> is greater than or equal to the
  35  *   value of MAX_TRANSFORM_FEEDBACK_BUFFERS."
  36  */
  37
  38 PIGLIT_GL_TEST_CONFIG_BEGIN
  39
  40         config.supports_gl_compat_version = 32;
  41         config.supports_gl_core_version = 32;
  42         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  43
  44 PIGLIT_GL_TEST_CONFIG_END
  45
  46 void
  47 piglit_init(int argc, char **argv)
  48 {
  49         GLuint xfb;
  50         GLint max_xfb_buffers;
  51         bool pass = true;
  52
  53         piglit_require_extension("GL_ARB_transform_feedback3");
  54
  55         glGetIntegerv(GL_MAX_TRANSFORM_FEEDBACK_BUFFERS, &max_xfb_buffers);
  56         if (!piglit_check_gl_error(GL_NO_ERROR)) {
  57                 printf("failed to resolve the maximum number of feedback "
  58                         "buffers\n");
  59                 piglit_report_result(PIGLIT_FAIL);
  60         }
  61
  62         if (max_xfb_buffers <= 0) {
  63                 printf("invalid maximum number of feedback buffers: %d\n",
  64                         max_xfb_buffers);
  65                 piglit_report_result(PIGLIT_FAIL);
  66         }
  67
  68         /* Set up the transform feedback buffers. */
  69         glGenBuffers(1, &xfb);
  70
  71         /* Binding to the maximum supported buffer should be fine. */
  72         glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers - 1,
  73                         xfb);
  74         if (!piglit_check_gl_error(GL_NO_ERROR)) {
  75                 printf("failed to bind maximum supported buffer\n");
  76                 pass = false;
  77         }
  78
  79         /* Unbind. */
  80         glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers - 1, 0);
  81
  82         glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers, xfb);
  83         if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
  84                 printf("should not be able to bind beyond maximum supported\n");
  85                 pass = false;
  86
  87                 /* Unbind. */
  88                 glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers,
  89                                 0);
  90         }
  91
  92         /* Binding to the maximum supported buffer should be fine. */
  93         glBindBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers - 1,
  94                         xfb, 0, sizeof(GLfloat));
  95         if (piglit_check_gl_error(GL_NO_ERROR)) {
  96                 /* Unbind. */
  97                 glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER,
  98                         max_xfb_buffers - 1, 0);
  99         } else {
 100                 printf("failed to bind range in maximum supported buffer\n");
 101                 pass = false;
 102         }
 103
 104         glBindBufferRange(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers,
 105                         xfb, 0, sizeof(GLfloat));
 106         if (!piglit_check_gl_error(GL_INVALID_VALUE)) {
 107                 printf("should not be able to bind beyond maximum supported\n");
 108                 pass = false;
 109
 110                 /* Unbind. */
 111                 glBindBufferBase(GL_TRANSFORM_FEEDBACK_BUFFER, max_xfb_buffers,
 112                                 0);
 113         }
 114
 115         glDeleteBuffers(1, &xfb);
 116
 117         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 118 }
 119
 120 enum piglit_result
 121 piglit_display(void)
 122 {
 123         /* Should never be reached */
 124         return PIGLIT_FAIL;
 125 }