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// Copyright 2019 Citra Emulator Project
// Licensed under GPLv2 or any later version
// Refer to the license.txt file included.
#include <algorithm>
#include "common/assert.h"
#include "common/texture.h"
namespace Common {
void FlipRGBA8Texture(std::span<u8> tex, u32 width, u32 height) {
ASSERT(tex.size() == width * height * 4);
const u32 line_size = width * 4;
for (u32 line = 0; line < height / 2; line++) {
const u32 offset_1 = line * line_size;
const u32 offset_2 = (height - line - 1) * line_size;
// Swap lines
std::swap_ranges(tex.begin() + offset_1, tex.begin() + offset_1 + line_size,
tex.begin() + offset_2);
}
}
} // namespace Common
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