blob: 0271c23b1f87190fa1611f30d8a233a99967b1f1 (
plain) (
tree)
|
|
// SPDX-FileCopyrightText: Copyright 2022 yuzu Emulator Project
// SPDX-License-Identifier: GPL-2.0-or-later
#pragma once
#include <span>
#include "audio_core/renderer/nodes/bit_array.h"
#include "common/alignment.h"
#include "common/common_types.h"
namespace AudioCore::Renderer {
/**
* An edge matrix, holding the connections for each node to every other node in the graph.
*/
class EdgeMatrix {
public:
/**
* Calculate the size required for its workbuffer.
*
* @param count - The number of nodes in the graph.
* @return The required workbuffer size.
*/
static u64 GetWorkBufferSize(u32 count) {
return Common::AlignUp(count * count, 0x40) / sizeof(u64);
}
/**
* Initialize this edge matrix.
*
* @param buffer - The workbuffer to use. Unused.
* @param node_buffer_size - The size of the workbuffer. Unused.
* @param count - The number of nodes in the graph.
*/
void Initialize(std::span<u8> buffer, u64 node_buffer_size, u32 count);
/**
* Check if a node is connected to another.
*
* @param id - The node id to check.
* @param destination_id - Node id to check connection with.
*/
bool Connected(u32 id, u32 destination_id) const;
/**
* Connect a node to another.
*
* @param id - The node id to connect.
* @param destination_id - Destination to connect it to.
*/
void Connect(u32 id, u32 destination_id);
/**
* Disconnect a node from another.
*
* @param id - The node id to disconnect.
* @param destination_id - Destination to disconnect it from.
*/
void Disconnect(u32 id, u32 destination_id);
/**
* Remove all connections for a given node.
*
* @param id - The node id to disconnect.
*/
void RemoveEdges(u32 id);
/**
* Get the number of nodes in the graph.
*
* @return Number of nodes.
*/
u32 GetNodeCount() const;
private:
/// Edges for the current graph
BitArray edges;
/// Number of nodes (not edges) in the graph
u32 count;
};
} // namespace AudioCore::Renderer
|
