75 lines
2.7 KiB
C#
75 lines
2.7 KiB
C#
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using Ryujinx.Graphics.Gpu.State;
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using Ryujinx.Graphics.Texture;
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using System;
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namespace Ryujinx.Graphics.Gpu.Engine
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{
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partial class Methods
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{
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private void CopyBuffer(int argument)
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{
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var cbp = _context.State.Get<CopyBufferParams>(MethodOffset.CopyBufferParams);
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var swizzle = _context.State.Get<CopyBufferSwizzle>(MethodOffset.CopyBufferSwizzle);
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bool srcLinear = (argument & (1 << 7)) != 0;
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bool dstLinear = (argument & (1 << 8)) != 0;
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bool copy2D = (argument & (1 << 9)) != 0;
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int size = cbp.XCount;
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if (size == 0)
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{
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return;
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}
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if (copy2D)
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{
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// Buffer to texture copy.
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int srcBpp = swizzle.UnpackSrcComponentsCount() * swizzle.UnpackComponentSize();
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int dstBpp = swizzle.UnpackDstComponentsCount() * swizzle.UnpackComponentSize();
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var dst = _context.State.Get<CopyBufferTexture>(MethodOffset.CopyBufferDstTexture);
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var src = _context.State.Get<CopyBufferTexture>(MethodOffset.CopyBufferSrcTexture);
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var srcCalculator = new OffsetCalculator(
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src.Width,
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src.Height,
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cbp.SrcStride,
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srcLinear,
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src.MemoryLayout.UnpackGobBlocksInY(),
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srcBpp);
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var dstCalculator = new OffsetCalculator(
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dst.Width,
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dst.Height,
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cbp.DstStride,
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dstLinear,
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dst.MemoryLayout.UnpackGobBlocksInY(),
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dstBpp);
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ulong srcBaseAddress = _context.MemoryManager.Translate(cbp.SrcAddress.Pack());
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ulong dstBaseAddress = _context.MemoryManager.Translate(cbp.DstAddress.Pack());
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for (int y = 0; y < cbp.YCount; y++)
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for (int x = 0; x < cbp.XCount; x++)
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{
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int srcOffset = srcCalculator.GetOffset(src.RegionX + x, src.RegionY + y);
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int dstOffset = dstCalculator.GetOffset(dst.RegionX + x, dst.RegionY + y);
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ulong srcAddress = srcBaseAddress + (ulong)srcOffset;
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ulong dstAddress = dstBaseAddress + (ulong)dstOffset;
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Span<byte> pixel = _context.PhysicalMemory.Read(srcAddress, (ulong)srcBpp);
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_context.PhysicalMemory.Write(dstAddress, pixel);
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}
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}
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else
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{
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// Buffer to buffer copy.
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_bufferManager.CopyBuffer(cbp.SrcAddress, cbp.DstAddress, (uint)size);
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}
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}
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}
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}
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