chromium/third_party/angle/src/image_util/AstcDecompressorTestUtils.h

//
// Copyright 2022 The ANGLE Project Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
//
// AstcDecompressorTestUtils.h: Utility functions for ASTC decompression tests

#include <vector>
#include "common/debug.h"

namespace testing
{
struct Rgba
{ … };
static_assert …;

// Creates a checkerboard image of a given size. The top left pixel will be black, and the remaining
// pixels will alternate between black and white.
// Note that both width and height must be multiples of 8
std::vector<Rgba> makeCheckerboard(int width, int height)
{ … }

// Similar to makeCheckerboard(), but returns an ASTC-encoded image instead, with 8x8 block size.
std::vector<uint8_t> makeAstcCheckerboard(int width, int height)
{ … }

}  // namespace testing