1 // SPDX-License-Identifier: Apache-2.0
2 // ----------------------------------------------------------------------------
3 // Copyright 2023 Arm Limited
4 //
5 // Licensed under the Apache License, Version 2.0 (the "License"); you may not
6 // use this file except in compliance with the License. You may obtain a copy
7 // of the License at:
8 //
9 // http://www.apache.org/licenses/LICENSE-2.0
10 //
11 // Unless required by applicable law or agreed to in writing, software
12 // distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
13 // WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
14 // License for the specific language governing permissions and limitations
15 // under the License.
16 // ----------------------------------------------------------------------------
17
18 /**
19 * @brief Unit tests for the vectorized SIMD functionality.
20 */
21
22 #include <limits>
23
24 #include "gtest/gtest.h"
25
26 #include "../astcenc.h"
27
28 namespace astcenc
29 {
30
31 /** @brief Test harness for exploring issue #447. */
TEST(decode,decode12x12)32 TEST(decode, decode12x12)
33 {
34 astcenc_error status;
35 astcenc_config config;
36 astcenc_context* context;
37
38 static const astcenc_swizzle swizzle {
39 ASTCENC_SWZ_R, ASTCENC_SWZ_G, ASTCENC_SWZ_B, ASTCENC_SWZ_A
40 };
41
42 uint8_t data[16] {
43 #if 0
44 0x84,0x00,0x38,0xC8,0x00,0x00,0x00,0x00,
45 0x00,0x00,0x00,0x00,0x00,0xB3,0x4D,0x78
46 #else
47 0x29,0x00,0x1A,0x97,0x01,0x00,0x00,0x00,
48 0x00,0x00,0x00,0x00,0x00,0xCF,0x97,0x86
49 #endif
50 };
51
52 uint8_t output[12*12*4];
53 astcenc_config_init(ASTCENC_PRF_LDR, 12, 12, 1, ASTCENC_PRE_MEDIUM, 0, &config);
54
55 status = astcenc_context_alloc(&config, 1, &context);
56 EXPECT_EQ(status, ASTCENC_SUCCESS);
57
58 astcenc_image image;
59 image.dim_x = 12;
60 image.dim_y = 12;
61 image.dim_z = 1;
62 image.data_type = ASTCENC_TYPE_U8;
63 uint8_t* slices = output;
64 image.data = reinterpret_cast<void**>(&slices);
65
66 status = astcenc_decompress_image(context, data, 16, &image, &swizzle, 0);
67 EXPECT_EQ(status, ASTCENC_SUCCESS);
68
69 for (int y = 0; y < 12; y++)
70 {
71 for (int x = 0; x < 12; x++)
72 {
73 uint8_t* pixel = output + (12 * 4 * y) + (4 * x);
74 printf("[%2dx%2d] = %03d, %03d, %03d, %03d\n", x, y, pixel[0], pixel[1], pixel[2], pixel[3]);
75 }
76 }
77 }
78
79 }
80