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027aee2c66
These are currently being implicitly including by FixedPoint.h by way of Format.h. The former will soon be removed from the latter, which would otherwise cause a compile error in these files.
33 lines
957 B
C++
33 lines
957 B
C++
/*
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* Copyright (c) 2022, Stephan Unverwerth <s.unverwerth@serenityos.org>
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*
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* SPDX-License-Identifier: BSD-2-Clause
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*/
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#include <AK/IntegralMath.h>
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#include <AK/Math.h>
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#include <LibGPU/Image.h>
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namespace GPU {
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Image::Image(void const* ownership_token, GPU::PixelFormat const& pixel_format, u32 width, u32 height, u32 depth, u32 max_levels)
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: m_ownership_token { ownership_token }
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, m_pixel_format { pixel_format }
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{
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VERIFY(width > 0);
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VERIFY(height > 0);
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VERIFY(depth > 0);
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VERIFY(max_levels > 0);
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u32 number_of_levels_in_full_chain = max(max(AK::log2(width), AK::log2(height)), AK::log2(depth)) + 1;
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m_mipmap_sizes.resize(min(max_levels, number_of_levels_in_full_chain));
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for (u32 level = 0; level < m_mipmap_sizes.size(); ++level) {
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m_mipmap_sizes[level] = { width, height, depth };
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width = max(width / 2, 1);
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height = max(height / 2, 1);
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depth = max(depth / 2, 1);
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}
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}
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}
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