src/glsl/tests/uniform_initializer_utils.cpp

   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 #include <gtest/gtest.h>
  24 #include "main/mtypes.h"
  25 #include "main/macros.h"
  26 #include "ralloc.h"
  27 #include "uniform_initializer_utils.h"
  28 #include <stdio.h>
  29
  30 void
  31 fill_storage_array_with_sentinels(gl_constant_value *storage,
  32                                   unsigned data_size,
  33                                   unsigned red_zone_size)
  34 {
  35    for (unsigned i = 0; i < data_size; i++)
  36       storage[i].u = 0xDEADBEEF;
  37
  38    for (unsigned i = 0; i < red_zone_size; i++)
  39       storage[data_size + i].u = 0xBADDC0DE;
  40 }
  41
  42 /**
  43  * Verfiy that markers past the end of the real uniform are unmodified
  44  */
  45 static ::testing::AssertionResult
  46 red_zone_is_intact(gl_constant_value *storage,
  47                    unsigned data_size,
  48                    unsigned red_zone_size)
  49 {
  50    for (unsigned i = 0; i < red_zone_size; i++) {
  51       const unsigned idx = data_size + i;
  52
  53       if (storage[idx].u != 0xBADDC0DE)
  54          return ::testing::AssertionFailure()
  55             << "storage[" << idx << "].u = "  << storage[idx].u
  56             << ", exepected data values = " << data_size
  57             << ", red-zone size = " << red_zone_size;
  58    }
  59
  60    return ::testing::AssertionSuccess();
  61 }
  62
  63 static const int values[] = {
  64    2, 0, 3, 5, 7, 11, 13, 17, 19, 23, 29, 31, 37, 41, 43, 47, 53
  65 };
  66
  67 /**
  68  * Generate a single data element.
  69  *
  70  * This is by both \c generate_data and \c generate_array_data to create the
  71  * data.
  72  */
  73 static void
  74 generate_data_element(void *mem_ctx, const glsl_type *type,
  75                       ir_constant *&val, unsigned data_index_base)
  76 {
  77    /* Set the initial data values for the generated constant.
  78     */
  79    ir_constant_data data;
  80    memset(&data, 0, sizeof(data));
  81    for (unsigned i = 0; i < type->components(); i++) {
  82       const unsigned idx = (i + data_index_base) % Elements(values);
  83       switch (type->base_type) {
  84       case GLSL_TYPE_UINT:
  85       case GLSL_TYPE_INT:
  86       case GLSL_TYPE_SAMPLER:
  87          data.i[i] = values[idx];
  88          break;
  89       case GLSL_TYPE_FLOAT:
  90          data.f[i] = float(values[idx]);
  91          break;
  92       case GLSL_TYPE_BOOL:
  93          data.b[i] = bool(values[idx]);
  94          break;
  95       case GLSL_TYPE_STRUCT:
  96       case GLSL_TYPE_ARRAY:
  97       case GLSL_TYPE_VOID:
  98       case GLSL_TYPE_ERROR:
  99       case GLSL_TYPE_INTERFACE:
 100          ASSERT_TRUE(false);
 101          break;
 102       }
 103    }
 104
 105    /* Generate and verify the constant.
 106     */
 107    val = new(mem_ctx) ir_constant(type, &data);
 108
 109    for (unsigned i = 0; i < type->components(); i++) {
 110       switch (type->base_type) {
 111       case GLSL_TYPE_UINT:
 112       case GLSL_TYPE_INT:
 113       case GLSL_TYPE_SAMPLER:
 114          ASSERT_EQ(data.i[i], val->value.i[i]);
 115          break;
 116       case GLSL_TYPE_FLOAT:
 117          ASSERT_EQ(data.f[i], val->value.f[i]);
 118          break;
 119       case GLSL_TYPE_BOOL:
 120          ASSERT_EQ(data.b[i], val->value.b[i]);
 121          break;
 122       case GLSL_TYPE_STRUCT:
 123       case GLSL_TYPE_ARRAY:
 124       case GLSL_TYPE_VOID:
 125       case GLSL_TYPE_ERROR:
 126       case GLSL_TYPE_INTERFACE:
 127          ASSERT_TRUE(false);
 128          break;
 129       }
 130    }
 131 }
 132
 133 void
 134 generate_data(void *mem_ctx, enum glsl_base_type base_type,
 135               unsigned columns, unsigned rows,
 136               ir_constant *&val)
 137 {
 138    /* Determine what the type of the generated constant should be.
 139     */
 140    const glsl_type *const type =
 141       glsl_type::get_instance(base_type, rows, columns);
 142    ASSERT_FALSE(type->is_error());
 143
 144    generate_data_element(mem_ctx, type, val, 0);
 145 }
 146
 147 void
 148 generate_array_data(void *mem_ctx, enum glsl_base_type base_type,
 149                     unsigned columns, unsigned rows, unsigned array_size,
 150                     ir_constant *&val)
 151 {
 152    /* Determine what the type of the generated constant should be.
 153     */
 154    const glsl_type *const element_type =
 155       glsl_type::get_instance(base_type, rows, columns);
 156    ASSERT_FALSE(element_type->is_error());
 157
 158    const glsl_type *const array_type =
 159       glsl_type::get_array_instance(element_type, array_size);
 160    ASSERT_FALSE(array_type->is_error());
 161
 162    /* Set the initial data values for the generated constant.
 163     */
 164    exec_list values_for_array;
 165    for (unsigned i = 0; i < array_size; i++) {
 166       ir_constant *element;
 167
 168       generate_data_element(mem_ctx, element_type, element, i);
 169       values_for_array.push_tail(element);
 170    }
 171
 172    val = new(mem_ctx) ir_constant(array_type, &values_for_array);
 173 }
 174
 175 /**
 176  * Verify that the data stored for the uniform matches the initializer
 177  *
 178  * \param storage              Backing storage for the uniform
 179  * \param storage_array_size  Array size of the backing storage.  This must be
 180  *                            less than or equal to the array size of the type
 181  *                            of \c val.  If \c val is not an array, this must
 182  *                            be zero.
 183  * \param val                 Value of the initializer for the unifrom.
 184  * \param red_zone
 185  */
 186 void
 187 verify_data(gl_constant_value *storage, unsigned storage_array_size,
 188             ir_constant *val, unsigned red_zone_size)
 189 {
 190    if (val->type->base_type == GLSL_TYPE_ARRAY) {
 191       const glsl_type *const element_type = val->array_elements[0]->type;
 192
 193       for (unsigned i = 0; i < storage_array_size; i++) {
 194          verify_data(storage + (i * element_type->components()), 0,
 195                      val->array_elements[i], 0);
 196       }
 197
 198       const unsigned components = element_type->components();
 199
 200       if (red_zone_size > 0) {
 201          EXPECT_TRUE(red_zone_is_intact(storage,
 202                                         storage_array_size * components,
 203                                         red_zone_size));
 204       }
 205    } else {
 206       ASSERT_EQ(0u, storage_array_size);
 207       for (unsigned i = 0; i < val->type->components(); i++) {
 208          switch (val->type->base_type) {
 209          case GLSL_TYPE_UINT:
 210          case GLSL_TYPE_INT:
 211          case GLSL_TYPE_SAMPLER:
 212             EXPECT_EQ(val->value.i[i], storage[i].i);
 213             break;
 214          case GLSL_TYPE_FLOAT:
 215             EXPECT_EQ(val->value.f[i], storage[i].f);
 216             break;
 217          case GLSL_TYPE_BOOL:
 218             EXPECT_EQ(int(val->value.b[i]), storage[i].i);
 219             break;
 220          case GLSL_TYPE_STRUCT:
 221          case GLSL_TYPE_ARRAY:
 222          case GLSL_TYPE_VOID:
 223          case GLSL_TYPE_ERROR:
 224          case GLSL_TYPE_INTERFACE:
 225             ASSERT_TRUE(false);
 226             break;
 227          }
 228       }
 229
 230       if (red_zone_size > 0) {
 231          EXPECT_TRUE(red_zone_is_intact(storage,
 232                                         val->type->components(),
 233                                         red_zone_size));
 234       }
 235    }
 236 }