mirror of
https://github.com/ryujinx-mirror/ryujinx.git
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99 lines
3.0 KiB
C#
99 lines
3.0 KiB
C#
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using Ryujinx.Graphics.Memory;
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using System.Collections.Generic;
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namespace Ryujinx.Graphics
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{
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public class CdmaProcessor
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{
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private const int MethSetMethod = 0x10;
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private const int MethSetData = 0x11;
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private NvGpu Gpu;
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public CdmaProcessor(NvGpu Gpu)
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{
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this.Gpu = Gpu;
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}
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public void PushCommands(NvGpuVmm Vmm, int[] CmdBuffer)
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{
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List<ChCommand> Commands = new List<ChCommand>();
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ChClassId CurrentClass = 0;
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for (int Index = 0; Index < CmdBuffer.Length; Index++)
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{
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int Cmd = CmdBuffer[Index];
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int Value = (Cmd >> 0) & 0xffff;
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int MethodOffset = (Cmd >> 16) & 0xfff;
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ChSubmissionMode SubmissionMode = (ChSubmissionMode)((Cmd >> 28) & 0xf);
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switch (SubmissionMode)
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{
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case ChSubmissionMode.SetClass: CurrentClass = (ChClassId)(Value >> 6); break;
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case ChSubmissionMode.Incrementing:
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{
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int Count = Value;
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for (int ArgIdx = 0; ArgIdx < Count; ArgIdx++)
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{
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int Argument = CmdBuffer[++Index];
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Commands.Add(new ChCommand(CurrentClass, MethodOffset + ArgIdx, Argument));
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}
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break;
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}
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case ChSubmissionMode.NonIncrementing:
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{
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int Count = Value;
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int[] Arguments = new int[Count];
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for (int ArgIdx = 0; ArgIdx < Count; ArgIdx++)
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{
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Arguments[ArgIdx] = CmdBuffer[++Index];
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}
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Commands.Add(new ChCommand(CurrentClass, MethodOffset, Arguments));
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break;
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}
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}
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}
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ProcessCommands(Vmm, Commands.ToArray());
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}
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private void ProcessCommands(NvGpuVmm Vmm, ChCommand[] Commands)
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{
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int MethodOffset = 0;
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foreach (ChCommand Command in Commands)
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{
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switch (Command.MethodOffset)
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{
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case MethSetMethod: MethodOffset = Command.Arguments[0]; break;
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case MethSetData:
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{
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if (Command.ClassId == ChClassId.NvDec)
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{
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Gpu.VideoDecoder.Process(Vmm, MethodOffset, Command.Arguments);
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}
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else if (Command.ClassId == ChClassId.GraphicsVic)
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{
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Gpu.VideoImageComposer.Process(Vmm, MethodOffset, Command.Arguments);
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}
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break;
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}
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}
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}
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}
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}
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}
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