76 lines
2.0 KiB
C#
76 lines
2.0 KiB
C#
using System;
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using BizHawk.Emulation.Common;
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using BizHawk.Emulation.Cores.Nintendo.N64.NativeApi;
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namespace BizHawk.Emulation.Cores.Nintendo.N64
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{
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internal class N64VideoProvider : IVideoProvider, IDisposable
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{
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private int[] frameBuffer;
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private mupen64plusVideoApi api;
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/// <summary>
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/// Creates N64 Video system with mupen64plus backend
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/// </summary>
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/// <param name="api">mupen64plus DLL that is used</param>
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public N64VideoProvider(mupen64plusApi core, VideoPluginSettings videosettings)
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{
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this.api = new mupen64plusVideoApi(core, videosettings);
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int width = 0;
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int height = 0;
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api.GetScreenDimensions(ref width, ref height);
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SetBufferSize(
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width > videosettings.Width ? width : videosettings.Width,
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height > videosettings.Height ? height : videosettings.Height
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);
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core.BeforeRender += DoVideoFrame;
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}
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public int[] GetVideoBuffer()
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{
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return frameBuffer;
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}
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public int VirtualWidth { get { return BufferWidth; } }
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public int VirtualHeight { get { return BufferHeight; } }
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public int BufferWidth { get; private set; }
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public int BufferHeight { get; private set; }
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public int BackgroundColor { get { return 0; } }
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/// <summary>
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/// Fetches current frame buffer from mupen64
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/// </summary>
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public void DoVideoFrame()
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{
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int width = 0;
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int height = 0;
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api.GetScreenDimensions(ref width, ref height);
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if (width != BufferWidth || height != BufferHeight)
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{
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SetBufferSize(width, height);
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}
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api.Getm64pFrameBuffer(frameBuffer, ref width, ref height);
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}
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/// <summary>
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/// Sets a new width and height for frame buffer
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/// </summary>
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/// <param name="width">New width in pixels</param>
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/// <param name="height">New height in pixels</param>
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private void SetBufferSize(int width, int height)
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{
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BufferHeight = height;
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BufferWidth = width;
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frameBuffer = new int[width * height];
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}
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public void Dispose()
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{
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api = null;
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}
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}
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}
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