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 "util/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       case GLSL_TYPE_IMAGE:
  88          data.i[i] = values[idx];
  89          break;
  90       case GLSL_TYPE_FLOAT:
  91          data.f[i] = float(values[idx]);
  92          break;
  93       case GLSL_TYPE_BOOL:
  94          data.b[i] = bool(values[idx]);
  95          break;
  96       case GLSL_TYPE_DOUBLE:
  97          data.d[i] = double(values[idx]);
  98          break;
  99       case GLSL_TYPE_ATOMIC_UINT:
 100       case GLSL_TYPE_STRUCT:
 101       case GLSL_TYPE_ARRAY:
 102       case GLSL_TYPE_VOID:
 103       case GLSL_TYPE_ERROR:
 104       case GLSL_TYPE_INTERFACE:
 105          ASSERT_TRUE(false);
 106          break;
 107       }
 108    }
 109
 110    /* Generate and verify the constant.
 111     */
 112    val = new(mem_ctx) ir_constant(type, &data);
 113
 114    for (unsigned i = 0; i < type->components(); i++) {
 115       switch (type->base_type) {
 116       case GLSL_TYPE_UINT:
 117       case GLSL_TYPE_INT:
 118       case GLSL_TYPE_SAMPLER:
 119       case GLSL_TYPE_IMAGE:
 120          ASSERT_EQ(data.i[i], val->value.i[i]);
 121          break;
 122       case GLSL_TYPE_FLOAT:
 123          ASSERT_EQ(data.f[i], val->value.f[i]);
 124          break;
 125       case GLSL_TYPE_BOOL:
 126          ASSERT_EQ(data.b[i], val->value.b[i]);
 127          break;
 128       case GLSL_TYPE_DOUBLE:
 129          ASSERT_EQ(data.d[i], val->value.d[i]);
 130          break;
 131       case GLSL_TYPE_ATOMIC_UINT:
 132       case GLSL_TYPE_STRUCT:
 133       case GLSL_TYPE_ARRAY:
 134       case GLSL_TYPE_VOID:
 135       case GLSL_TYPE_ERROR:
 136       case GLSL_TYPE_INTERFACE:
 137          ASSERT_TRUE(false);
 138          break;
 139       }
 140    }
 141 }
 142
 143 void
 144 generate_data(void *mem_ctx, enum glsl_base_type base_type,
 145               unsigned columns, unsigned rows,
 146               ir_constant *&val)
 147 {
 148    /* Determine what the type of the generated constant should be.
 149     */
 150    const glsl_type *const type =
 151       glsl_type::get_instance(base_type, rows, columns);
 152    ASSERT_FALSE(type->is_error());
 153
 154    generate_data_element(mem_ctx, type, val, 0);
 155 }
 156
 157 void
 158 generate_array_data(void *mem_ctx, enum glsl_base_type base_type,
 159                     unsigned columns, unsigned rows, unsigned array_size,
 160                     ir_constant *&val)
 161 {
 162    /* Determine what the type of the generated constant should be.
 163     */
 164    const glsl_type *const element_type =
 165       glsl_type::get_instance(base_type, rows, columns);
 166    ASSERT_FALSE(element_type->is_error());
 167
 168    const glsl_type *const array_type =
 169       glsl_type::get_array_instance(element_type, array_size);
 170    ASSERT_FALSE(array_type->is_error());
 171
 172    /* Set the initial data values for the generated constant.
 173     */
 174    exec_list values_for_array;
 175    for (unsigned i = 0; i < array_size; i++) {
 176       ir_constant *element;
 177
 178       generate_data_element(mem_ctx, element_type, element, i);
 179       values_for_array.push_tail(element);
 180    }
 181
 182    val = new(mem_ctx) ir_constant(array_type, &values_for_array);
 183 }
 184
 185 /**
 186  * Verify that the data stored for the uniform matches the initializer
 187  *
 188  * \param storage              Backing storage for the uniform
 189  * \param storage_array_size  Array size of the backing storage.  This must be
 190  *                            less than or equal to the array size of the type
 191  *                            of \c val.  If \c val is not an array, this must
 192  *                            be zero.
 193  * \param val                 Value of the initializer for the unifrom.
 194  * \param red_zone
 195  */
 196 void
 197 verify_data(gl_constant_value *storage, unsigned storage_array_size,
 198             ir_constant *val, unsigned red_zone_size,
 199             unsigned int boolean_true)
 200 {
 201    if (val->type->base_type == GLSL_TYPE_ARRAY) {
 202       const glsl_type *const element_type = val->array_elements[0]->type;
 203
 204       for (unsigned i = 0; i < storage_array_size; i++) {
 205          verify_data(storage + (i * element_type->components()), 0,
 206                      val->array_elements[i], 0, boolean_true);
 207       }
 208
 209       const unsigned components = element_type->components();
 210
 211       if (red_zone_size > 0) {
 212          EXPECT_TRUE(red_zone_is_intact(storage,
 213                                         storage_array_size * components,
 214                                         red_zone_size));
 215       }
 216    } else {
 217       ASSERT_EQ(0u, storage_array_size);
 218       for (unsigned i = 0; i < val->type->components(); i++) {
 219          switch (val->type->base_type) {
 220          case GLSL_TYPE_UINT:
 221          case GLSL_TYPE_INT:
 222          case GLSL_TYPE_SAMPLER:
 223          case GLSL_TYPE_IMAGE:
 224             EXPECT_EQ(val->value.i[i], storage[i].i);
 225             break;
 226          case GLSL_TYPE_FLOAT:
 227             EXPECT_EQ(val->value.f[i], storage[i].f);
 228             break;
 229          case GLSL_TYPE_BOOL:
 230             EXPECT_EQ(val->value.b[i] ? boolean_true : 0, storage[i].i);
 231             break;
 232          case GLSL_TYPE_DOUBLE:
 233             EXPECT_EQ(val->value.d[i], *(double *)&storage[i*2].i);
 234             break;
 235          case GLSL_TYPE_ATOMIC_UINT:
 236          case GLSL_TYPE_STRUCT:
 237          case GLSL_TYPE_ARRAY:
 238          case GLSL_TYPE_VOID:
 239          case GLSL_TYPE_ERROR:
 240          case GLSL_TYPE_INTERFACE:
 241             ASSERT_TRUE(false);
 242             break;
 243          }
 244       }
 245
 246       if (red_zone_size > 0) {
 247          EXPECT_TRUE(red_zone_is_intact(storage,
 248                                         val->type->components(),
 249                                         red_zone_size));
 250       }
 251    }
 252 }