dolphin/Source/Core/VideoBackends/Software/SWBoundingBox.cpp
Lioncash 5f6c76af51 VideoCommon: Use std::span for BoundingBox::Write()
Crosses off a lingering TODO.

Also amends a few nearby cases where a u32 cast was being repromoted to
size_t.
2023-12-09 16:33:21 -05:00

67 lines
1.6 KiB
C++

// Copyright 2021 Dolphin Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#include "VideoBackends/Software/SWBoundingBox.h"
#include <algorithm>
#include <array>
#include "Common/CommonTypes.h"
namespace BBoxManager
{
namespace
{
// Current bounding box coordinates.
std::array<u16, 4> s_coordinates{};
} // Anonymous namespace
u16 GetCoordinate(Coordinate coordinate)
{
return s_coordinates[static_cast<u32>(coordinate)];
}
void SetCoordinate(Coordinate coordinate, u16 value)
{
s_coordinates[static_cast<u32>(coordinate)] = value;
}
void Update(u16 left, u16 right, u16 top, u16 bottom)
{
const u16 new_left = std::min(left, GetCoordinate(Coordinate::Left));
const u16 new_right = std::max(right, GetCoordinate(Coordinate::Right));
const u16 new_top = std::min(top, GetCoordinate(Coordinate::Top));
const u16 new_bottom = std::max(bottom, GetCoordinate(Coordinate::Bottom));
SetCoordinate(Coordinate::Left, new_left);
SetCoordinate(Coordinate::Right, new_right);
SetCoordinate(Coordinate::Top, new_top);
SetCoordinate(Coordinate::Bottom, new_bottom);
}
} // namespace BBoxManager
namespace SW
{
std::vector<BBoxType> SWBoundingBox::Read(u32 index, u32 length)
{
std::vector<BBoxType> values(length);
for (u32 i = 0; i < length; i++)
{
values[i] = BBoxManager::GetCoordinate(static_cast<BBoxManager::Coordinate>(index + i));
}
return values;
}
void SWBoundingBox::Write(u32 index, std::span<const BBoxType> values)
{
for (size_t i = 0; i < values.size(); i++)
{
BBoxManager::SetCoordinate(static_cast<BBoxManager::Coordinate>(index + i), values[i]);
}
}
} // namespace SW