tests/spec/ext_framebuffer_multisample/renderbufferstorage-samples.c

   1 /*
   2  * Copyright © 2011 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 renderbufferstorage-samples.c
  28  *
  29  * From the EXT_framebuffer_multisample spec:
  30  *
  31  *     "The command
  32  *
  33  *         void RenderbufferStorageEXT(enum target, enum internalformat,
  34  *                                     sizei width, sizei height);"
  35  *
  36  *      is equivalent to calling RenderbufferStorageMultisampleEXT
  37  *      with <samples> equal to zero."
  38  */
  39
  40 PIGLIT_GL_TEST_CONFIG_BEGIN
  41
  42         config.supports_gl_compat_version = 10;
  43
  44         config.window_visual = PIGLIT_GL_VISUAL_DOUBLE | PIGLIT_GL_VISUAL_RGBA;
  45         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  46
  47 PIGLIT_GL_TEST_CONFIG_END
  48
  49 enum piglit_result
  50 piglit_display(void)
  51 {
  52         /* UNREACHED */
  53         return PIGLIT_FAIL;
  54 }
  55
  56 void
  57 piglit_init(int argc, char **argv)
  58 {
  59         GLint rb_samples;
  60         GLuint rb;
  61         bool pass = true;
  62
  63         piglit_require_extension("GL_EXT_framebuffer_multisample");
  64
  65         glGenRenderbuffersEXT(1, &rb);
  66         glBindRenderbufferEXT(GL_RENDERBUFFER, rb);
  67         glRenderbufferStorageEXT(GL_RENDERBUFFER, GL_RGBA, 1, 1);
  68         glGetRenderbufferParameterivEXT(GL_RENDERBUFFER,
  69                                         GL_RENDERBUFFER_SAMPLES,
  70                                         &rb_samples);
  71
  72         if (rb_samples != 0) {
  73                 fprintf(stderr, "glRenderbufferStorageEXT() produced %d samples\n",
  74                         rb_samples);
  75                 pass = false;
  76         }
  77
  78         glDeleteRenderbuffersEXT(1, &rb);
  79
  80         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
  81 }