tests/spec/arb_uniform_buffer_object/getprogramiv.c

   1 /*
   2  * Copyright © 2012 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 getprogramiv.c
  25  *
  26  * From the GL_ARB_uniform_buffer_object spec:
  27  *
  28  *     "If <pname> is ACTIVE_UNIFORM_BLOCKS the number of uniform
  29  *      blocks for <program> containing active uniforms is returned.
  30  *
  31  *      If <pname> is ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, the length
  32  *      of the longest active uniform block name, including the null
  33  *      terminator, is returned."
  34  */
  35
  36 #include "piglit-util-gl.h"
  37
  38 PIGLIT_GL_TEST_CONFIG_BEGIN
  39
  40         config.supports_gl_compat_version = 10;
  41         config.window_visual = PIGLIT_GL_VISUAL_RGBA | PIGLIT_GL_VISUAL_DOUBLE;
  42         config.khr_no_error_support = PIGLIT_NO_ERRORS;
  43
  44 PIGLIT_GL_TEST_CONFIG_END
  45
  46 struct {
  47         const char *source;
  48         int blocks;
  49         int namelen;
  50 } tests[] = {
  51         {
  52                 "#extension GL_ARB_uniform_buffer_object : enable\n"
  53                 "uniform a { float u1; };\n"
  54                 "void main() {\n"
  55                 "       gl_FragColor = vec4(u1);\n"
  56                 "}\n",
  57                 1, 2,
  58         },
  59         {
  60                 "#extension GL_ARB_uniform_buffer_object : enable\n"
  61                 "uniform a { float u1; };\n"
  62                 "uniform b { float u2; };\n"
  63                 "void main() {\n"
  64                 "       gl_FragColor = vec4(u1 + u2);\n"
  65                 "}\n",
  66                 2, 2,
  67         },
  68         {
  69                 "#extension GL_ARB_uniform_buffer_object : enable\n"
  70                 "uniform a { float u1; };\n"
  71                 "uniform bb { float u2; };\n"
  72                 "void main() {\n"
  73                 "       gl_FragColor = vec4(u1 + u2);\n"
  74                 "}\n",
  75                 2, 3,
  76         },
  77         {
  78                 "#extension GL_ARB_uniform_buffer_object : enable\n"
  79                 "uniform aa { float u1; };\n"
  80                 "uniform b { float u2; };\n"
  81                 "void main() {\n"
  82                 "       gl_FragColor = vec4(u1 + u2);\n"
  83                 "}\n",
  84                 2, 3,
  85         },
  86 };
  87
  88 static bool
  89 test_shader(int test)
  90 {
  91         GLuint prog;
  92         const char *source = tests[test].source;
  93         int namelen = 9999, blocks = 9999;
  94
  95         prog = piglit_build_simple_program(NULL, source);
  96
  97         glGetProgramiv(prog, GL_ACTIVE_UNIFORM_BLOCKS, &blocks);
  98         if (blocks != tests[test].blocks) {
  99                 fprintf(stderr,
 100                         "%d: Bad GL_ACTIVE_UNIFORM_BLOCKS "
 101                         "%d, expected %d.  Source:\n%s",
 102                         test, blocks, tests[test].blocks, source);
 103                 return false;
 104         }
 105
 106         glGetProgramiv(prog, GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH, &namelen);
 107         if (namelen != tests[test].namelen) {
 108                 fprintf(stderr,
 109                         "%d: Bad GL_ACTIVE_UNIFORM_BLOCK_MAX_NAME_LENGTH "
 110                         "%d, expected %d.  Source:\n%s",
 111                         test, namelen, tests[test].namelen, source);
 112                 return false;
 113         }
 114
 115         glDeleteProgram(prog);
 116
 117         return true;
 118 }
 119
 120 void
 121 piglit_init(int argc, char **argv)
 122 {
 123         bool pass = true;
 124         int i;
 125
 126         piglit_require_extension("GL_ARB_uniform_buffer_object");
 127
 128         for (i = 0; i < ARRAY_SIZE(tests); i++) {
 129                 pass = test_shader(i) && pass;
 130         }
 131
 132         piglit_report_result(pass ? PIGLIT_PASS : PIGLIT_FAIL);
 133 }
 134
 135 enum piglit_result piglit_display(void)
 136 {
 137         /* UNREACHED */
 138         return PIGLIT_FAIL;
 139 }
 140