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// Copyright 2020 The Android Open Source Project
//
// 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.
#include <gmock/gmock.h>
#include "AstcCpuDecompressor.h"
namespace gfxstream {
namespace vk {
namespace {
using ::testing::ElementsAreArray;
using ::testing::NotNull;
// 16x16 checkerboard pattern, compressed with 8x8 block size.
const uint8_t kCheckerboard[] = {
0x44, 0x05, 0x00, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
0x44, 0x05, 0x00, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
0x44, 0x05, 0x00, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa,
0x44, 0x05, 0x00, 0xfe, 0x01, 0x00, 0x00, 0x00, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa, 0x55, 0xaa};
struct Rgba {
uint8_t r, g, b, a;
bool operator==(const Rgba& o) const { return r == o.r && g == o.g && b == o.b && a == o.a; }
};
TEST(AstcCpuDecompressor, Decompress) {
auto& decompressor = AstcCpuDecompressor::get();
if (!decompressor.available()) GTEST_SKIP() << "ASTC decompressor not available";
std::vector<Rgba> output(16 * 16);
int32_t status = decompressor.decompress(16, 16, 8, 8, kCheckerboard, sizeof(kCheckerboard),
(uint8_t*)output.data());
EXPECT_EQ(status, 0);
const Rgba W = {0xFF, 0xFF, 0xFF, 0xFF};
const Rgba B = {0, 0, 0, 0xFF};
std::vector<Rgba> expected = {
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 0
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 1
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 2
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 3
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 4
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 5
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 6
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 7
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 8
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 9
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 10
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 11
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 12
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 13
W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, // 14
B, W, B, W, B, W, B, W, B, W, B, W, B, W, B, W, // 15
};
ASSERT_THAT(output, ElementsAreArray(expected));
}
TEST(AstcCpuDecompressor, getStatusStringAlwaysNonNull) {
EXPECT_THAT(AstcCpuDecompressor::get().getStatusString(-10000), NotNull());
}
} // namespace
} // namespace vk
} // namespace gfxstream
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