tests/spec/ext_framebuffer_multisample/dlist.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 dlist.c
  28  *
  29  * Tests that glRenderbufferStorageMultisampleEXT is executed
  30 immediately instead of being compiled into display lists.
  31  *
  32  * From the EXT_framebuffer_multisample spec:
  33  *
  34  *     "Certain commands, when called while compiling a display list,
  35  *      are not compiled into the display list but are executed
  36  *      immediately.  These are: ...,
  37  *      RenderbufferStorageMultisampleEXT..."
  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 max_samples, rb_samples;
  60         GLuint rb, list;
  61         GLint width;
  62         bool pass = true;
  63
  64         piglit_require_extension("GL_EXT_framebuffer_multisample");
  65
  66         glGetIntegerv(GL_MAX_SAMPLES, &max_samples);
  67         if (!piglit_check_gl_error(0))
  68                 piglit_report_result(PIGLIT_FAIL);
  69
  70         glGenRenderbuffersEXT(1, &rb);
  71         glBindRenderbufferEXT(GL_RENDERBUFFER, rb);
  72
  73         /* Make the list.  The Storage should be called during compile. */
  74         list = glGenLists(1);
  75         glNewList(list, GL_COMPILE);
  76         glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER,
  77                                             max_samples,
  78                                             GL_RGBA,
  79                                             1, 1);
  80         glEndList();
  81
  82         /* Make sure that the command occurred during the compile. */
  83         glGetRenderbufferParameterivEXT(GL_RENDERBUFFER,
  84                                         GL_RENDERBUFFER_SAMPLES,
  85                                         &rb_samples);
  86         if (rb_samples != max_samples) {
  87                 fprintf(stderr, "glRenderbufferStorageMultisampleEXT not called during "
  88                         "display list compile\n");
  89                 pass = false;
  90         }
  91
  92
  93         /* Now, make sure that it doesn't occur at execute.  Start
  94          * with storage of a different size so we can distinguish.
  95          */
  96         glRenderbufferStorageMultisampleEXT(GL_RENDERBUFFER,
  97                                             max_samples,
  98                                             GL_RGBA,
  99                                             2, 2);
 100
 101         glCallList(list);
 102         glGetRenderbufferParameterivEXT(GL_RENDERBUFFER,
 103                                         GL_RENDERBUFFER_WIDTH,
 104                                         &width);
 105
 106         if (width != 2) {
 107                 fprintf(stderr, "glRenderbufferStorageMultisampleEXT called "
 108                         "during display list execute");
 109                 pass = false;
 110         }
 111
 112         glDeleteRenderbuffersEXT(1, &rb);
 113
 114         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 115 }