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Re-add NVDEC project (not integrated)

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gdkchan 2019-12-31 21:08:02 -03:00 • committed by Thog
parent 6e092c0558
commit 0dbfe3c23e
31 changed files with 2547 additions and 18 deletions
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103
Ryujinx.Graphics.Nvdec/CdmaProcessor.cs Normal file
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using Ryujinx.Graphics.Gpu;
using Ryujinx.Graphics.VDec;
using Ryujinx.Graphics.Vic;
using System.Collections.Generic;
namespace Ryujinx.Graphics
{
public class CdmaProcessor
{
private const int MethSetMethod = 0x10;
private const int MethSetData = 0x11;
private readonly VideoDecoder _videoDecoder;
private readonly VideoImageComposer _videoImageComposer;
public CdmaProcessor()
{
_videoDecoder = new VideoDecoder();
_videoImageComposer = new VideoImageComposer(_videoDecoder);
}
public void PushCommands(GpuContext gpu, int[] cmdBuffer)
{
List<ChCommand> commands = new List<ChCommand>();
ChClassId currentClass = 0;
for (int index = 0; index < cmdBuffer.Length; index++)
{
int cmd = cmdBuffer[index];
int value = (cmd >> 0) & 0xffff;
int methodOffset = (cmd >> 16) & 0xfff;
ChSubmissionMode submissionMode = (ChSubmissionMode)((cmd >> 28) & 0xf);
switch (submissionMode)
{
case ChSubmissionMode.SetClass: currentClass = (ChClassId)(value >> 6); break;
case ChSubmissionMode.Incrementing:
{
int count = value;
for (int argIdx = 0; argIdx < count; argIdx++)
{
int argument = cmdBuffer[++index];
commands.Add(new ChCommand(currentClass, methodOffset + argIdx, argument));
}
break;
}
case ChSubmissionMode.NonIncrementing:
{
int count = value;
int[] arguments = new int[count];
for (int argIdx = 0; argIdx < count; argIdx++)
{
arguments[argIdx] = cmdBuffer[++index];
}
commands.Add(new ChCommand(currentClass, methodOffset, arguments));
break;
}
}
}
ProcessCommands(gpu, commands.ToArray());
}
private void ProcessCommands(GpuContext gpu, ChCommand[] commands)
{
int methodOffset = 0;
foreach (ChCommand command in commands)
{
switch (command.MethodOffset)
{
case MethSetMethod: methodOffset = command.Arguments[0]; break;
case MethSetData:
{
if (command.ClassId == ChClassId.NvDec)
{
_videoDecoder.Process(gpu, methodOffset, command.Arguments);
}
else if (command.ClassId == ChClassId.GraphicsVic)
{
_videoImageComposer.Process(gpu, methodOffset, command.Arguments);
}
break;
}
}
}
}
}
}