ladybird/Userland/Libraries/LibGPU/Image.cpp
Timothy Flynn 027aee2c66 Userland: Add missing Math.h and IntegralMath.h header includes
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.
2023-01-19 11:29:48 +00:00

33 lines
957 B
C++

/*
* Copyright (c) 2022, Stephan Unverwerth <s.unverwerth@serenityos.org>
*
* SPDX-License-Identifier: BSD-2-Clause
*/
#include <AK/IntegralMath.h>
#include <AK/Math.h>
#include <LibGPU/Image.h>
namespace GPU {
Image::Image(void const* ownership_token, GPU::PixelFormat const& pixel_format, u32 width, u32 height, u32 depth, u32 max_levels)
: m_ownership_token { ownership_token }
, m_pixel_format { pixel_format }
{
VERIFY(width > 0);
VERIFY(height > 0);
VERIFY(depth > 0);
VERIFY(max_levels > 0);
u32 number_of_levels_in_full_chain = max(max(AK::log2(width), AK::log2(height)), AK::log2(depth)) + 1;
m_mipmap_sizes.resize(min(max_levels, number_of_levels_in_full_chain));
for (u32 level = 0; level < m_mipmap_sizes.size(); ++level) {
m_mipmap_sizes[level] = { width, height, depth };
width = max(width / 2, 1);
height = max(height / 2, 1);
depth = max(depth / 2, 1);
}
}
}