tests/spec/arb_texture_storage_multisample/tex-param.c

   1 /*
   2  * Copyright © 2013 Chris Forbes
   3  * Copyright 2014 Intel Corporation
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the "Software"),
   7  * to deal in the Software without restriction, including without limitation
   8  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   9  * and/or sell copies of the Software, and to permit persons to whom the
  10  * Software is furnished to do so, subject to the following conditions:
  11  *
  12  * The above copyright notice and this permission notice (including the next
  13  * paragraph) shall be included in all copies or substantial portions of the
  14  * Software.
  15  *
  16  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  17  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  18  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  19  * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
  20  * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
  21  * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER
  22  * DEALINGS IN THE SOFTWARE.
  23  */
  24 #include "piglit-util-gl.h"
  25
  26 PIGLIT_GL_TEST_CONFIG_BEGIN
  27
  28         config.supports_gl_compat_version = 30;
  29
  30         config.window_visual = PIGLIT_GL_VISUAL_RGBA |
  31                                PIGLIT_GL_VISUAL_DOUBLE;
  32
  33         config.khr_no_error_support = PIGLIT_HAS_ERRORS;
  34
  35 PIGLIT_GL_TEST_CONFIG_END
  36
  37 /* Exercises GetTexParameter/TexParameter with multisample textures */
  38
  39 /* In Section 8.11 Texture Queries, the OpenGL 4.5 core spec (30.10.2014)
  40  * says:
  41  *      "An INVALID_ENUM error is generated if the effective target is either
  42  *      TEXTURE_2D_MULTISAMPLE or TEXTURE_2D_MULTISAMPLE_ARRAY, and pname is
  43  *      any sampler state from table 23.18."
  44  *
  45  *      "An INVALID_OPERATION error is generated if the effective target is
  46  *      either TEXTURE_2D_MULTISAMPLE or TEXTURE_2D_MULTISAMPLE_ARRAY, and
  47  *      pname TEXTURE_BASE_LEVEL is set to a value other than zero."
  48  *
  49  * Likewise, Section 8.10 Texture Queries of the OpenGL ES 3.1 spec
  50  * (29.10.2014) says:
  51  *
  52  *      "An INVALID_ENUM error is generated if target is
  53  *      TEXTURE_2D_MULTISAMPLE, and pname is any sampler state from table
  54  *      20.11."
  55  *
  56  *      "An INVALID_OPERATION error is generated if target is
  57  *      TEXTURE_2D_MULTISAMPLE, and pname TEXTURE_BASE_LEVEL is set to a
  58  *      value other than zero."
  59  */
  60
  61 struct subtest
  62 {
  63         GLenum param;
  64         GLint initial_value;
  65         GLint value;
  66         GLenum expected_error;
  67         const char *label;          // if null, the enum name is used as the label
  68 } subtests[] =
  69 {
  70         /* readonly */
  71         { GL_TEXTURE_IMMUTABLE_FORMAT, GL_FALSE, GL_TRUE, GL_INVALID_ENUM },
  72
  73         { GL_TEXTURE_MAG_FILTER, GL_NEAREST, GL_LINEAR, GL_INVALID_ENUM },
  74         { GL_TEXTURE_MIN_FILTER, GL_NEAREST, GL_LINEAR, GL_INVALID_ENUM },
  75         { GL_TEXTURE_WRAP_S, GL_CLAMP_TO_EDGE, GL_REPEAT, GL_INVALID_ENUM },
  76         { GL_TEXTURE_WRAP_T, GL_CLAMP_TO_EDGE, GL_REPEAT, GL_INVALID_ENUM },
  77         { GL_TEXTURE_WRAP_R, GL_CLAMP_TO_EDGE, GL_REPEAT, GL_INVALID_ENUM },
  78         { GL_TEXTURE_COMPARE_MODE, GL_NONE, GL_COMPARE_REF_TO_TEXTURE, GL_INVALID_ENUM },
  79         { GL_TEXTURE_COMPARE_FUNC, GL_LEQUAL, GL_ALWAYS, GL_INVALID_ENUM },
  80         { GL_TEXTURE_MIN_LOD, -1000, 0, GL_INVALID_ENUM },
  81         { GL_TEXTURE_MAX_LOD, 1000, 0, GL_INVALID_ENUM },
  82
  83         { GL_TEXTURE_BASE_LEVEL, 0, 0, GL_NO_ERROR, "GL_TEXTURE_BASE_LEVEL zero" },
  84         { GL_TEXTURE_BASE_LEVEL, 0, 1, GL_INVALID_OPERATION, "GL_TEXTURE_BASE_LEVEL nonzero" },
  85
  86         { 0 } /* sentinel */
  87 };
  88
  89 enum piglit_result
  90 check_subtest(struct subtest *t)
  91 {
  92         GLint val;
  93         const char *test_name = t->label ? t->label : piglit_get_gl_enum_name(t->param);
  94         GLint expected_val;
  95
  96         glGetTexParameteriv(GL_TEXTURE_2D_MULTISAMPLE, t->param, &val);
  97
  98         if (!piglit_check_gl_error(GL_NO_ERROR)) {
  99                 printf("GetTexParameteriv failed\n");
 100                 piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
 101                 return PIGLIT_FAIL;
 102         }
 103
 104         if (t->initial_value != val) {
 105                 printf("parameter %s expected initially %d, got %d\n",
 106                        piglit_get_gl_enum_name(t->param),
 107                        t->initial_value,
 108                        val);
 109                 piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
 110                 return PIGLIT_FAIL;
 111         }
 112
 113         glTexParameteri(GL_TEXTURE_2D_MULTISAMPLE, t->param, t->value);
 114
 115         if (!piglit_check_gl_error(t->expected_error)) {
 116                 printf("error setting parameter %s\n",
 117                        piglit_get_gl_enum_name(t->param));
 118                 piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
 119                 return PIGLIT_FAIL;
 120         }
 121
 122         /* verify that the new value stuck (or didnt, if we expected failure) */
 123         glGetTexParameteriv(GL_TEXTURE_2D_MULTISAMPLE, t->param, &val);
 124         expected_val = t->expected_error == GL_NO_ERROR ? t->value : t->initial_value;
 125
 126         if (expected_val != val) {
 127                 printf("after setting parameter %s expected %d, got %d\n",
 128                        piglit_get_gl_enum_name(t->param),
 129                        expected_val,
 130                        val);
 131                 piglit_report_subtest_result(PIGLIT_FAIL, "%s", test_name);
 132                 return PIGLIT_FAIL;
 133         }
 134
 135         piglit_report_subtest_result(PIGLIT_PASS, "%s", test_name);
 136         return PIGLIT_PASS;
 137 }
 138
 139 void
 140 piglit_init(int argc, char **argv)
 141 {
 142         piglit_require_extension("GL_ARB_texture_storage_multisample");
 143 }
 144
 145 enum piglit_result
 146 piglit_display(void)
 147 {
 148         GLuint tex;
 149         struct subtest *t;
 150         enum piglit_result result = PIGLIT_PASS;
 151         enum piglit_result subtest_result;
 152         GLint num_samples;
 153
 154         /* Use the max number of samples for testing */
 155         glGetIntegerv(GL_MAX_COLOR_TEXTURE_SAMPLES, &num_samples);
 156
 157         glGenTextures(1, &tex);
 158         glBindTexture(GL_TEXTURE_2D_MULTISAMPLE, tex);
 159         glTexImage2DMultisample(GL_TEXTURE_2D_MULTISAMPLE,
 160                                 num_samples, GL_RGBA, 64, 64, GL_TRUE);
 161
 162         for (t = subtests; t->param; t++) {
 163                 subtest_result = check_subtest(t);
 164                 if (subtest_result != PIGLIT_PASS)
 165                         result = PIGLIT_FAIL;
 166         }
 167
 168         return result;
 169 }
 170