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