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Handle indirect draw counts with non-zero draw starts properly (#2593)
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@ -8,6 +8,14 @@ namespace Ryujinx.Cpu
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{
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public interface IVirtualMemoryManagerTracked : IVirtualMemoryManager
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{
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/// <summary>
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/// Reads data from CPU mapped memory, with read tracking
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/// </summary>
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/// <typeparam name="T">Type of the data being read</typeparam>
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/// <param name="va">Virtual address of the data in memory</param>
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/// <returns>The data</returns>
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T ReadTracked<T>(ulong va) where T : unmanaged;
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/// <summary>
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/// Writes data to CPU mapped memory, without write tracking.
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/// </summary>
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@ -117,7 +117,7 @@ namespace Ryujinx.Cpu
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/// <inheritdoc/>
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public T Read<T>(ulong va) where T : unmanaged
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{
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return MemoryMarshal.Cast<byte, T>(GetSpan(va, Unsafe.SizeOf<T>(), true))[0];
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return MemoryMarshal.Cast<byte, T>(GetSpan(va, Unsafe.SizeOf<T>()))[0];
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}
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/// <inheritdoc/>
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@ -2,8 +2,6 @@ using Ryujinx.Common.Logging;
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using Ryujinx.Graphics.Device;
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using Ryujinx.Graphics.GAL;
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using Ryujinx.Graphics.Gpu.Engine.GPFifo;
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using Ryujinx.Graphics.Gpu.Engine.Threed;
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using Ryujinx.Graphics.Gpu.Memory;
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using System;
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using System.Collections.Generic;
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@ -66,17 +64,42 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
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int arg2 = FetchParam().Word;
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int arg3 = FetchParam().Word;
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int startOffset = arg0;
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int endOffset = arg1;
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int startDraw = arg0;
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int endDraw = arg1;
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var topology = (PrimitiveTopology)arg2;
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int paddingWords = arg3;
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int maxDrawCount = endOffset - startOffset;
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int stride = paddingWords * 4 + 0x14;
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int indirectBufferSize = maxDrawCount * stride;
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ulong parameterBufferGpuVa = FetchParam().GpuVa;
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ulong indirectBufferGpuVa = 0;
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int maxDrawCount = endDraw - startDraw;
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if (startDraw != 0)
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{
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int drawCount = _processor.MemoryManager.Read<int>(parameterBufferGpuVa, tracked: true);
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// Calculate maximum draw count based on the previous draw count and current draw count.
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if ((uint)drawCount <= (uint)startDraw)
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{
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// The start draw is past our total draw count, so all draws were already performed.
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maxDrawCount = 0;
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}
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else
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{
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// Perform just the missing number of draws.
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maxDrawCount = (int)Math.Min((uint)maxDrawCount, (uint)(drawCount - startDraw));
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}
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}
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if (maxDrawCount == 0)
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{
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Fifo.Clear();
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return;
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}
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int indirectBufferSize = maxDrawCount * stride;
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ulong indirectBufferGpuVa = 0;
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int indexCount = 0;
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for (int i = 0; i < maxDrawCount; i++)
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@ -106,8 +129,10 @@ namespace Ryujinx.Graphics.Gpu.Engine.MME
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// It should be empty at this point, but clear it just to be safe.
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Fifo.Clear();
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var parameterBuffer = _processor.MemoryManager.Physical.BufferCache.GetGpuBufferRange(_processor.MemoryManager, parameterBufferGpuVa, 4);
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var indirectBuffer = _processor.MemoryManager.Physical.BufferCache.GetGpuBufferRange(_processor.MemoryManager, indirectBufferGpuVa, (ulong)indirectBufferSize);
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var bufferCache = _processor.MemoryManager.Physical.BufferCache;
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var parameterBuffer = bufferCache.GetGpuBufferRange(_processor.MemoryManager, parameterBufferGpuVa, 4);
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var indirectBuffer = bufferCache.GetGpuBufferRange(_processor.MemoryManager, indirectBufferGpuVa, (ulong)indirectBufferSize);
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_processor.ThreedClass.MultiDrawIndirectCount(indexCount, topology, indirectBuffer, parameterBuffer, maxDrawCount, stride);
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}
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@ -63,10 +63,33 @@ namespace Ryujinx.Graphics.Gpu.Memory
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/// </summary>
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/// <typeparam name="T">Type of the data</typeparam>
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/// <param name="va">GPU virtual address where the data is located</param>
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/// <param name="tracked">True if read tracking is triggered on the memory region</param>
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/// <returns>The data at the specified memory location</returns>
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public T Read<T>(ulong va) where T : unmanaged
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public T Read<T>(ulong va, bool tracked = false) where T : unmanaged
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{
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return MemoryMarshal.Cast<byte, T>(GetSpan(va, Unsafe.SizeOf<T>()))[0];
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int size = Unsafe.SizeOf<T>();
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if (IsContiguous(va, size))
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{
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ulong address = Translate(va);
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if (tracked)
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{
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return Physical.ReadTracked<T>(address);
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}
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else
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{
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return Physical.Read<T>(address);
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}
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}
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else
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{
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Span<byte> data = new byte[size];
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ReadImpl(va, data, tracked);
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return MemoryMarshal.Cast<byte, T>(data)[0];
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}
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}
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/// <summary>
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@ -139,11 +139,22 @@ namespace Ryujinx.Graphics.Gpu.Memory
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/// Reads data from the application process.
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/// </summary>
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/// <typeparam name="T">Type of the structure</typeparam>
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/// <param name="gpuVa">Address to read from</param>
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/// <param name="address">Address to read from</param>
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/// <returns>The data at the specified memory location</returns>
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public T Read<T>(ulong address) where T : unmanaged
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{
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return MemoryMarshal.Cast<byte, T>(GetSpan(address, Unsafe.SizeOf<T>()))[0];
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return _cpuMemory.Read<T>(address);
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}
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/// <summary>
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/// Reads data from the application process, with write tracking.
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/// </summary>
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/// <typeparam name="T">Type of the structure</typeparam>
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/// <param name="address">Address to read from</param>
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/// <returns>The data at the specified memory location</returns>
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public T ReadTracked<T>(ulong address) where T : unmanaged
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{
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return _cpuMemory.ReadTracked<T>(address);
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}
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/// <summary>
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