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authorReinUsesLisp <reinuseslisp@airmail.cc>2018-08-25 01:16:58 -0300
committergdkchan <gab.dark.100@gmail.com>2018-08-25 01:16:58 -0300
commita42ab2e40cae5db96cc58634f1e70c4e31bb095d (patch)
treef727a1f9685fa02a8e4f947e188f4b329135ad39 /Ryujinx.HLE
parentda7e7027518c40702536d4c51905ae7cb496cdb5 (diff)
Implement vertex instancing (#381)
Diffstat (limited to 'Ryujinx.HLE')
-rw-r--r--Ryujinx.HLE/Gpu/Engines/NvGpuEngine3d.cs48
-rw-r--r--Ryujinx.HLE/Gpu/Engines/NvGpuEngine3dReg.cs2
2 files changed, 45 insertions, 5 deletions
diff --git a/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3d.cs b/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3d.cs
index be47b66c..2010e43b 100644
--- a/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3d.cs
+++ b/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3d.cs
@@ -27,6 +27,8 @@ namespace Ryujinx.HLE.Gpu.Engines
private List<long>[] UploadedKeys;
+ private int CurrentInstance = 0;
+
public NvGpuEngine3d(NvGpu Gpu)
{
this.Gpu = Gpu;
@@ -654,10 +656,25 @@ namespace Ryujinx.HLE.Gpu.Engines
long VertexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + Index * 4);
long VertexEndPos = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNEndAddr + Index * 2);
- long VboKey = Vmm.GetPhysicalAddress(VertexPosition);
+ int VertexDivisor = ReadRegister(NvGpuEngine3dReg.VertexArrayNDivisor + Index * 4);
+
+ bool Instanced = (ReadRegister(NvGpuEngine3dReg.VertexArrayNInstance + Index) & 1) != 0;
int Stride = Control & 0xfff;
+ if (Instanced && VertexDivisor != 0)
+ {
+ VertexPosition += Stride * (CurrentInstance / VertexDivisor);
+ }
+
+ if (VertexPosition > VertexEndPos)
+ {
+ //Instance is invalid, ignore the draw call
+ continue;
+ }
+
+ long VboKey = Vmm.GetPhysicalAddress(VertexPosition);
+
long VbSize = (VertexEndPos - VertexPosition) + 1;
bool VboCached = Gpu.Renderer.Rasterizer.IsVboCached(VboKey, VbSize);
@@ -669,10 +686,12 @@ namespace Ryujinx.HLE.Gpu.Engines
Gpu.Renderer.Rasterizer.CreateVbo(VboKey, (int)VbSize, DataAddress);
}
- State.VertexBindings[Index].Enabled = true;
- State.VertexBindings[Index].Stride = Stride;
- State.VertexBindings[Index].VboKey = VboKey;
- State.VertexBindings[Index].Attribs = Attribs[Index].ToArray();
+ State.VertexBindings[Index].Enabled = true;
+ State.VertexBindings[Index].Stride = Stride;
+ State.VertexBindings[Index].VboKey = VboKey;
+ State.VertexBindings[Index].Instanced = Instanced;
+ State.VertexBindings[Index].Divisor = VertexDivisor;
+ State.VertexBindings[Index].Attribs = Attribs[Index].ToArray();
}
}
@@ -683,6 +702,25 @@ namespace Ryujinx.HLE.Gpu.Engines
GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
+ bool InstanceNext = ((PrimCtrl >> 26) & 1) != 0;
+ bool InstanceCont = ((PrimCtrl >> 27) & 1) != 0;
+
+ if (InstanceNext && InstanceCont)
+ {
+ throw new InvalidOperationException("GPU tried to increase and reset instance count at the same time");
+ }
+
+ if (InstanceNext)
+ {
+ CurrentInstance++;
+ }
+ else if (!InstanceCont)
+ {
+ CurrentInstance = 0;
+ }
+
+ State.Instance = CurrentInstance;
+
Gpu.Renderer.Pipeline.Bind(State);
if (IndexCount != 0)
diff --git a/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3dReg.cs b/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3dReg.cs
index 7eff13b5..ace324e9 100644
--- a/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3dReg.cs
+++ b/Ryujinx.HLE/Gpu/Engines/NvGpuEngine3dReg.cs
@@ -53,6 +53,7 @@ namespace Ryujinx.HLE.Gpu.Engines
StencilFrontFuncMask = 0x4e6,
StencilFrontMask = 0x4e7,
VertexArrayElemBase = 0x50d,
+ VertexArrayInstBase = 0x50e,
ZetaEnable = 0x54e,
TexHeaderPoolOffset = 0x55d,
TexSamplerPoolOffset = 0x557,
@@ -70,6 +71,7 @@ namespace Ryujinx.HLE.Gpu.Engines
IndexArrayFormat = 0x5f6,
IndexBatchFirst = 0x5f7,
IndexBatchCount = 0x5f8,
+ VertexArrayNInstance = 0x620,
CullFaceEnable = 0x646,
FrontFace = 0x647,
CullFace = 0x648,