// SPDX-License-Identifier: Apache-2.0

// ----------------------------------------------------------------------------

// Copyright 2023 Arm Limited

//

// Licensed under the Apache License, Version 2.0 (the "License"); you may not

// use this file except in compliance with the License. You may obtain a copy

// of the License at:

//

// http://www.apache.org/licenses/LICENSE-2.0

//

// Unless required by applicable law or agreed to in writing, software

// distributed under the License is distributed on an "AS IS" BASIS, WITHOUT

// WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the

// License for the specific language governing permissions and limitations

// under the License.

// ----------------------------------------------------------------------------

/**

* @brief Unit tests for the vectorized SIMD functionality.

*/

#include <limits>

#include "gtest/gtest.h"

#include "../astcenc.h"

namespace astcenc

{

/** @brief Test harness for exploring issue #447. */

TEST(decode, decode12x12)

{

astcenc_error status;

astcenc_config config;

astcenc_context* context;

static const astcenc_swizzle swizzle {

ASTCENC_SWZ_R, ASTCENC_SWZ_G, ASTCENC_SWZ_B, ASTCENC_SWZ_A

};

uint8_t data[16] {

#if 0

0x84,0x00,0x38,0xC8,0x00,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0xB3,0x4D,0x78

#else

0x29,0x00,0x1A,0x97,0x01,0x00,0x00,0x00,

0x00,0x00,0x00,0x00,0x00,0xCF,0x97,0x86

#endif

};

uint8_t output[12*12*4];

astcenc_config_init(ASTCENC_PRF_LDR, 12, 12, 1, ASTCENC_PRE_MEDIUM, 0, &config);

status = astcenc_context_alloc(&config, 1, &context);

EXPECT_EQ(status, ASTCENC_SUCCESS);

astcenc_image image;

image.dim_x = 12;

image.dim_y = 12;

image.dim_z = 1;

image.data_type = ASTCENC_TYPE_U8;

uint8_t* slices = output;

image.data = reinterpret_cast<void**>(&slices);

status = astcenc_decompress_image(context, data, 16, &image, &swizzle, 0);

EXPECT_EQ(status, ASTCENC_SUCCESS);

#if 0

for (int y = 0; y < 12; y++)

{

for (int x = 0; x < 12; x++)

{

uint8_t* pixel = output + (12 * 4 * y) + (4 * x);

printf("[%2dx%2d] = %03d, %03d, %03d, %03d\n", x, y, pixel[0], pixel[1], pixel[2], pixel[3]);

}

}

#endif

}

}