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1161af8059
This moves much of the duplicated bounding box code into VideoCommon, leaving only the specific buffer implementations in each backend.
66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
// Copyright 2021 Dolphin Emulator Project
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// SPDX-License-Identifier: GPL-2.0-or-later
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#include "VideoBackends/Software/SWBoundingBox.h"
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#include <algorithm>
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#include <array>
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#include "Common/CommonTypes.h"
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namespace BBoxManager
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{
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namespace
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{
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// Current bounding box coordinates.
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std::array<u16, 4> s_coordinates{};
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} // Anonymous namespace
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u16 GetCoordinate(Coordinate coordinate)
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{
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return s_coordinates[static_cast<u32>(coordinate)];
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}
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void SetCoordinate(Coordinate coordinate, u16 value)
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{
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s_coordinates[static_cast<u32>(coordinate)] = value;
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}
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void Update(u16 left, u16 right, u16 top, u16 bottom)
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{
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const u16 new_left = std::min(left, GetCoordinate(Coordinate::Left));
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const u16 new_right = std::max(right, GetCoordinate(Coordinate::Right));
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const u16 new_top = std::min(top, GetCoordinate(Coordinate::Top));
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const u16 new_bottom = std::max(bottom, GetCoordinate(Coordinate::Bottom));
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SetCoordinate(Coordinate::Left, new_left);
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SetCoordinate(Coordinate::Right, new_right);
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SetCoordinate(Coordinate::Top, new_top);
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SetCoordinate(Coordinate::Bottom, new_bottom);
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}
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} // namespace BBoxManager
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namespace SW
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{
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std::vector<BBoxType> SWBoundingBox::Read(u32 index, u32 length)
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{
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std::vector<BBoxType> values(length);
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for (u32 i = 0; i < length; i++)
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{
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values[i] = BBoxManager::GetCoordinate(static_cast<BBoxManager::Coordinate>(index + i));
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}
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return values;
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}
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void SWBoundingBox::Write(u32 index, const std::vector<BBoxType>& values)
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{
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for (size_t i = 0; i < values.size(); i++)
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{
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BBoxManager::SetCoordinate(static_cast<BBoxManager::Coordinate>(index + i), values[i]);
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}
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}
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} // namespace SW
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