62 lines
2.0 KiB
C#
62 lines
2.0 KiB
C#
using OptimeGBA;
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using System;
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using System.Runtime.InteropServices;
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using UnityEngine;
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using UnityEngine.UI;
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public class VideoProvider : MonoBehaviour
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{
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public RawImage m_drawCanvas;
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private RectTransform m_drawCanvasrect;
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private IntPtr wrapTexBufferPointer;
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private Texture2D wrapTex;
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private int TexBufferSize;
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uint[] wrapTexBuffer = new uint[240 * 160];
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//Color32[] DisplayColorBuffer = new Color32[240 * 160];
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private void Awake()
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{
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if (wrapTex == null)
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{
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wrapTex = new Texture2D(240, 160, TextureFormat.RGBA32, false);
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wrapTex.filterMode = FilterMode.Point;
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//wrapTexBuffer = screenData;
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// 固定数组，防止垃圾回收器移动它
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GCHandle handle = GCHandle.Alloc(wrapTexBuffer, GCHandleType.Pinned);
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// 获取数组的指针
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wrapTexBufferPointer = handle.AddrOfPinnedObject();
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m_drawCanvas.texture = wrapTex;
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TexBufferSize = wrapTexBuffer.Length * 4;
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m_drawCanvasrect = m_drawCanvas.GetComponent<RectTransform>();
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float targetWidth = ((float)240 / 160) * m_drawCanvasrect.rect.height;
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m_drawCanvasrect.SetSizeWithCurrentAnchors(RectTransform.Axis.Horizontal, targetWidth);
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}
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}
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public void OnRenderFrame()
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{
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var buf = Emulator.instance.ShowBackBuf ? Emulator.instance.gba.Ppu.Renderer.ScreenBack : Emulator.instance.gba.Ppu.Renderer.ScreenFront;
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unsafe
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{
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for (uint i = 0; i < 240 * 160; i++)
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{
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wrapTexBuffer[i] = PpuRenderer.ColorLutCorrected[buf[i] & 0x7FFF];
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//fixed (uint* p = &wrapTexBuffer[i])
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//{
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// byte* bp = (byte*)p;
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// DisplayColorBuffer[i] = new Color32(*(bp++), *(bp++), *(bp++), *(bp++));
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//}
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}
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}
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wrapTex.LoadRawTextureData(wrapTexBufferPointer, TexBufferSize);
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//wrapTex.SetPixels32(DisplayColorBuffer, 0);
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wrapTex.Apply();
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}
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} |