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vi: Implement GetIndirectLayerImageRequiredMemoryInfo (#1415)
This implement GetIndirectLayerImageRequiredMemoryInfo call from vi service, accordingly to RE. Thanks to Thog and gdkchan for helping me to understand some GPU things. Close #942
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@ -8,6 +8,7 @@ namespace Ryujinx.HLE.HOS.Services.Vi
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Success = 0,
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InvalidArguments = (1 << ErrorCodeShift) | ModuleId,
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InvalidLayerSize = (4 << ErrorCodeShift) | ModuleId,
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InvalidScalingMode = (6 << ErrorCodeShift) | ModuleId
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}
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}
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@ -1,3 +1,4 @@
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using Ryujinx.Common;
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using Ryujinx.Cpu;
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using Ryujinx.HLE.HOS.Ipc;
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using Ryujinx.HLE.HOS.Kernel.Common;
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@ -190,7 +191,7 @@ namespace Ryujinx.HLE.HOS.Services.Vi.RootService
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public ResultCode SetLayerScalingMode(ServiceCtx context)
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{
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int scalingMode = context.RequestData.ReadInt32();
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long unknown = context.RequestData.ReadInt64();
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long layerId = context.RequestData.ReadInt64();
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return ResultCode.Success;
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}
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@ -235,6 +236,53 @@ namespace Ryujinx.HLE.HOS.Services.Vi.RootService
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return null;
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}
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[Command(2460)]
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// GetIndirectLayerImageRequiredMemoryInfo(u64 width, u64 height) -> (u64 size, u64 alignment)
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public ResultCode GetIndirectLayerImageRequiredMemoryInfo(ServiceCtx context)
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{
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/*
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// Doesn't occur in our case.
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if (sizePtr == null || address_alignmentPtr == null)
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{
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return ResultCode.InvalidArguments;
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}
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*/
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int width = (int)context.RequestData.ReadUInt64();
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int height = (int)context.RequestData.ReadUInt64();
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if (height < 0 || width < 0)
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{
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return ResultCode.InvalidLayerSize;
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}
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else
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{
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/*
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// Doesn't occur in our case.
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if (!service_initialized)
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{
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return ResultCode.InvalidArguments;
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}
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*/
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const ulong defaultAlignment = 0x1000;
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const ulong defaultSize = 0x20000;
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// NOTE: The official service setup a A8B8G8R8 texture with a linear layout and then query its size.
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// As we don't need this texture on the emulator, we can just simplify this logic and directly
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// do a linear layout size calculation. (stride * height * bytePerPixel)
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int pitch = BitUtils.AlignUp(BitUtils.DivRoundUp(width * 32, 8), 64);
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int memorySize = pitch * BitUtils.AlignUp(height, 64);
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ulong requiredMemorySize = (ulong)BitUtils.AlignUp(memorySize, (int)defaultAlignment);
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ulong size = (requiredMemorySize + defaultSize - 1) / defaultSize * defaultSize;
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context.ResponseData.Write(size);
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context.ResponseData.Write(defaultAlignment);
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}
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return ResultCode.Success;
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}
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[Command(5202)]
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// GetDisplayVsyncEvent(u64) -> handle<copy>
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public ResultCode GetDisplayVSyncEvent(ServiceCtx context)
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