23 lines
749 B
C++
23 lines
749 B
C++
// Copyright 2019 Citra Emulator Project
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// Licensed under GPLv2 or any later version
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// Refer to the license.txt file included.
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#include <algorithm>
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#include <vector>
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#include "common/assert.h"
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#include "common/common_types.h"
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namespace Common {
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void FlipRGBA8Texture(std::vector<u8>& tex, u64 width, u64 height) {
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ASSERT(tex.size() == width * height * 4);
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const u64 line_size = width * 4;
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for (u64 line = 0; line < height / 2; line++) {
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const u32 offset_1 = line * line_size;
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const u32 offset_2 = (height - line - 1) * line_size;
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// Swap lines
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std::swap_ranges(tex.begin() + offset_1, tex.begin() + offset_1 + line_size,
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tex.begin() + offset_2);
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}
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}
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} // namespace Common
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