public void DrawElements(long IboKey, int First, int VertexBase, GalPrimitiveType PrimType)
{
if (!IboCache.TryGetValue(IboKey, out int IboHandle))
{
return;
}
PrimitiveType Mode = OGLEnumConverter.GetPrimitiveType(PrimType);
GL.BindVertexArray(VaoHandle);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, IboHandle);
First <<= IndexBuffer.ElemSizeLog2;
if (VertexBase != 0)
{
IntPtr Indices = new IntPtr(First);
GL.DrawElementsBaseVertex(Mode, IndexBuffer.Count, IndexBuffer.Type, Indices, VertexBase);
}
else
{
GL.DrawElements(Mode, IndexBuffer.Count, IndexBuffer.Type, First);
}
}
public void DrawArrays(int First, int Count, GalPrimitiveType PrimType)
{
if (Count == 0)
{
return;
}
if (PrimType == GalPrimitiveType.Quads)
{
for (int Offset = 0; Offset < Count; Offset += 4)
{
GL.DrawArrays(PrimitiveType.TriangleFan, First + Offset, 4);
}
}
else if (PrimType == GalPrimitiveType.QuadStrip)
{
GL.DrawArrays(PrimitiveType.TriangleFan, First, 4);
for (int Offset = 2; Offset < Count; Offset += 2)
{
GL.DrawArrays(PrimitiveType.TriangleFan, First + Offset, 4);
}
}
else
{
GL.DrawArrays(OGLEnumConverter.GetPrimitiveType(PrimType), First, Count);
}
}
private void DispatchRender(NvGpuVmm Vmm, GalPipelineState State)
{
int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
Gpu.Renderer.Pipeline.Bind(State);
if (IndexCount != 0)
{
int IndexEntryFmt = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int IndexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst);
int VertexBase = ReadRegister(NvGpuEngine3dReg.VertexArrayElemBase);
long IndexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
long IboKey = Vmm.GetPhysicalAddress(IndexPosition);
Gpu.Renderer.Rasterizer.DrawElements(IboKey, IndexFirst, VertexBase, PrimType);
}
else
{
int VertexFirst = ReadRegister(NvGpuEngine3dReg.VertexArrayFirst);
int VertexCount = ReadRegister(NvGpuEngine3dReg.VertexArrayCount);
Gpu.Renderer.Rasterizer.DrawArrays(VertexFirst, VertexCount, PrimType);
}
//Is the GPU really clearing those registers after draw?
WriteRegister(NvGpuEngine3dReg.IndexBatchFirst, 0);
WriteRegister(NvGpuEngine3dReg.IndexBatchCount, 0);
}
public static PrimitiveType GetPrimitiveType(GalPrimitiveType type)
{
switch (type)
{
case GalPrimitiveType.Points: return(PrimitiveType.Points);
case GalPrimitiveType.Lines: return(PrimitiveType.Lines);
case GalPrimitiveType.LineLoop: return(PrimitiveType.LineLoop);
case GalPrimitiveType.LineStrip: return(PrimitiveType.LineStrip);
case GalPrimitiveType.Triangles: return(PrimitiveType.Triangles);
case GalPrimitiveType.TriangleStrip: return(PrimitiveType.TriangleStrip);
case GalPrimitiveType.TriangleFan: return(PrimitiveType.TriangleFan);
case GalPrimitiveType.Polygon: return(PrimitiveType.Polygon);
case GalPrimitiveType.LinesAdjacency: return(PrimitiveType.LinesAdjacency);
case GalPrimitiveType.LineStripAdjacency: return(PrimitiveType.LineStripAdjacency);
case GalPrimitiveType.TrianglesAdjacency: return(PrimitiveType.TrianglesAdjacency);
case GalPrimitiveType.TriangleStripAdjacency: return(PrimitiveType.TriangleStripAdjacency);
case GalPrimitiveType.Patches: return(PrimitiveType.Patches);
}
throw new ArgumentException(nameof(type) + " \"" + type + "\" is not valid!");
}
public void DrawArrays(int first, int count, GalPrimitiveType primType)
{
if (count == 0)
{
return;
}
if (primType == GalPrimitiveType.Quads)
{
for (int offset = 0; offset < count; offset += 4)
{
GL.DrawArrays(PrimitiveType.TriangleFan, first + offset, 4);
}
}
else if (primType == GalPrimitiveType.QuadStrip)
{
GL.DrawArrays(PrimitiveType.TriangleFan, first, 4);
for (int offset = 2; offset < count; offset += 2)
{
GL.DrawArrays(PrimitiveType.TriangleFan, first + offset, 4);
}
}
else
{
GL.DrawArrays(OglEnumConverter.GetPrimitiveType(primType), first, count);
}
}
public void DrawArrays(int First, int PrimCount, GalPrimitiveType PrimType)
{
if (PrimCount == 0)
{
return;
}
GL.DrawArrays(OGLEnumConverter.GetPrimitiveType(PrimType), First, PrimCount);
}
public void DrawElements(int VbIndex, int First, GalPrimitiveType PrimType)
{
if ((uint)VbIndex > 31)
{
throw new ArgumentOutOfRangeException(nameof(VbIndex));
}
ActionsQueue.Enqueue(() => Rasterizer.DrawElements(VbIndex, First, PrimType));
}
public void DrawElements(int VbIndex, int First, GalPrimitiveType PrimType)
{
PrimitiveType Mode = OGLEnumConverter.GetPrimitiveType(PrimType);
GL.BindVertexArray(VaoHandle);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, IndexBuffer.IboHandle);
GL.DrawElements(Mode, IndexBuffer.Count, IndexBuffer.Type, First);
}
public void DrawArrays(int VbIndex, int First, int PrimCount, GalPrimitiveType PrimType)
{
if (PrimCount == 0)
{
return;
}
GL.BindVertexArray(VaoHandle);
GL.DrawArrays(OGLEnumConverter.GetPrimitiveType(PrimType), First, PrimCount);
}
private void DispatchRender(NvGpuVmm Vmm, GalPipelineState State)
{
int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
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);
Gpu.Renderer.RenderTarget.Bind();
if (IndexCount != 0)
{
int IndexEntryFmt = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int IndexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst);
int VertexBase = ReadRegister(NvGpuEngine3dReg.VertexArrayElemBase);
long IndexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
long IboKey = Vmm.GetPhysicalAddress(IndexPosition);
Gpu.Renderer.Rasterizer.DrawElements(IboKey, IndexFirst, VertexBase, PrimType);
}
else
{
int VertexFirst = ReadRegister(NvGpuEngine3dReg.VertexArrayFirst);
int VertexCount = ReadRegister(NvGpuEngine3dReg.VertexArrayCount);
Gpu.Renderer.Rasterizer.DrawArrays(VertexFirst, VertexCount, PrimType);
}
//Is the GPU really clearing those registers after draw?
WriteRegister(NvGpuEngine3dReg.IndexBatchFirst, 0);
WriteRegister(NvGpuEngine3dReg.IndexBatchCount, 0);
}
public void DrawArrays(int VbIndex, GalPrimitiveType PrimType)
{
VbInfo Vb = VertexBuffers[VbIndex];
if (Vb.PrimCount == 0)
{
return;
}
GL.BindVertexArray(Vb.VaoHandle);
GL.DrawArrays(OGLEnumConverter.GetPrimitiveType(PrimType), 0, Vb.PrimCount);
}
public void DrawElements(long IboKey, int First, GalPrimitiveType PrimType)
{
if (!IboCache.TryGetValue(IboKey, out int IboHandle))
{
return;
}
PrimitiveType Mode = OGLEnumConverter.GetPrimitiveType(PrimType);
GL.BindVertexArray(VaoHandle);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, IboHandle);
GL.DrawElements(Mode, IndexBuffer.Count, IndexBuffer.Type, First);
}
public void DrawElements(int VbIndex, int First, GalPrimitiveType PrimType)
{
VbInfo Vb = VertexBuffers[VbIndex];
if (Vb.PrimCount == 0)
{
return;
}
PrimitiveType Mode = OGLEnumConverter.GetPrimitiveType(PrimType);
GL.BindVertexArray(Vb.VaoHandle);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, IndexBuffer.IboHandle);
GL.DrawElements(Mode, IndexBuffer.Count, IndexBuffer.Type, First);
}
public static PrimitiveType GetPrimitiveType(GalPrimitiveType Type)
{
switch (Type)
{
case GalPrimitiveType.Points: return(PrimitiveType.Points);
case GalPrimitiveType.Lines: return(PrimitiveType.Lines);
case GalPrimitiveType.LineLoop: return(PrimitiveType.LineLoop);
case GalPrimitiveType.LineStrip: return(PrimitiveType.LineStrip);
case GalPrimitiveType.Triangles: return(PrimitiveType.Triangles);
case GalPrimitiveType.TriangleStrip: return(PrimitiveType.TriangleStrip);
case GalPrimitiveType.TriangleFan: return(PrimitiveType.TriangleFan);
case GalPrimitiveType.Quads: return(PrimitiveType.Quads);
case GalPrimitiveType.QuadStrip: return(PrimitiveType.QuadStrip);
case GalPrimitiveType.Polygon: return(PrimitiveType.Polygon);
case GalPrimitiveType.LinesAdjacency: return(PrimitiveType.LinesAdjacency);
case GalPrimitiveType.LineStripAdjacency: return(PrimitiveType.LineStripAdjacency);
case GalPrimitiveType.TrianglesAdjacency: return(PrimitiveType.TrianglesAdjacency);
case GalPrimitiveType.TriangleStripAdjacency: return(PrimitiveType.TriangleStripAdjacency);
case GalPrimitiveType.Patches: return(PrimitiveType.Patches);
}
return(PrimitiveType.Points);
}
public static PrimitiveType GetPrimitiveType(GalPrimitiveType Type)
{
switch (Type)
{
case GalPrimitiveType.Points: return(PrimitiveType.Points);
case GalPrimitiveType.Lines: return(PrimitiveType.Lines);
case GalPrimitiveType.LineLoop: return(PrimitiveType.LineLoop);
case GalPrimitiveType.LineStrip: return(PrimitiveType.LineStrip);
case GalPrimitiveType.Triangles: return(PrimitiveType.Triangles);
case GalPrimitiveType.TriangleStrip: return(PrimitiveType.TriangleStrip);
case GalPrimitiveType.TriangleFan: return(PrimitiveType.TriangleFan);
case GalPrimitiveType.Quads: return(PrimitiveType.Quads);
case GalPrimitiveType.QuadStrip: return(PrimitiveType.QuadStrip);
case GalPrimitiveType.Polygon: return(PrimitiveType.Polygon);
case GalPrimitiveType.LinesAdjacency: return(PrimitiveType.LinesAdjacency);
case GalPrimitiveType.LineStripAdjacency: return(PrimitiveType.LineStripAdjacency);
case GalPrimitiveType.TrianglesAdjacency: return(PrimitiveType.TrianglesAdjacency);
case GalPrimitiveType.TriangleStripAdjacency: return(PrimitiveType.TriangleStripAdjacency);
case GalPrimitiveType.Patches: return(PrimitiveType.Patches);
}
throw new ArgumentException(nameof(Type));
}
public void DrawElements(long iboKey, int first, int vertexBase, GalPrimitiveType primType)
{
if (!_iboCache.TryGetValue(iboKey, out int iboHandle))
{
return;
}
PrimitiveType mode = OglEnumConverter.GetPrimitiveType(primType);
GL.BindBuffer(BufferTarget.ElementArrayBuffer, iboHandle);
first <<= _indexBuffer.ElemSizeLog2;
if (vertexBase != 0)
{
IntPtr indices = new IntPtr(first);
GL.DrawElementsBaseVertex(mode, _indexBuffer.Count, _indexBuffer.Type, indices, vertexBase);
}
else
{
GL.DrawElements(mode, _indexBuffer.Count, _indexBuffer.Type, first);
}
}
private void UploadVertexArrays(AMemory Memory)
{
long IndexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
int IndexSize = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int IndexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst);
int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
GalIndexFormat IndexFormat = (GalIndexFormat)IndexSize;
IndexSize = 1 << IndexSize;
if (IndexSize > 4)
{
throw new InvalidOperationException();
}
if (IndexSize != 0)
{
IndexPosition = Gpu.GetCpuAddr(IndexPosition);
int BufferSize = IndexCount * IndexSize;
byte[] Data = AMemoryHelper.ReadBytes(Memory, IndexPosition, BufferSize);
Gpu.Renderer.SetIndexArray(Data, IndexFormat);
}
List <GalVertexAttrib>[] Attribs = new List <GalVertexAttrib> [32];
for (int Attr = 0; Attr < 16; Attr++)
{
int Packed = ReadRegister(NvGpuEngine3dReg.VertexAttribNFormat + Attr);
int ArrayIndex = Packed & 0x1f;
if (Attribs[ArrayIndex] == null)
{
Attribs[ArrayIndex] = new List <GalVertexAttrib>();
}
Attribs[ArrayIndex].Add(new GalVertexAttrib(
Attr,
((Packed >> 6) & 0x1) != 0,
(Packed >> 7) & 0x3fff,
(GalVertexAttribSize)((Packed >> 21) & 0x3f),
(GalVertexAttribType)((Packed >> 27) & 0x7),
((Packed >> 31) & 0x1) != 0));
}
for (int Index = 0; Index < 32; Index++)
{
int VertexFirst = ReadRegister(NvGpuEngine3dReg.VertexArrayFirst);
int VertexCount = ReadRegister(NvGpuEngine3dReg.VertexArrayCount);
int Control = ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + Index * 4);
bool Enable = (Control & 0x1000) != 0;
long VertexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + Index * 4);
if (!Enable)
{
continue;
}
int Stride = Control & 0xfff;
long Size = 0;
if (IndexCount != 0)
{
Size = GetVertexCountFromIndexBuffer(
Memory,
IndexPosition,
IndexCount,
IndexSize);
}
else
{
Size = VertexCount;
}
//TODO: Support cases where the Stride is 0.
//In this case, we need to use the size of the attribute.
Size *= Stride;
VertexPosition = Gpu.GetCpuAddr(VertexPosition);
byte[] Data = AMemoryHelper.ReadBytes(Memory, VertexPosition, Size);
GalVertexAttrib[] AttribArray = Attribs[Index]?.ToArray() ?? new GalVertexAttrib[0];
Gpu.Renderer.SetVertexArray(Index, Stride, Data, AttribArray);
int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
if (IndexCount != 0)
{
Gpu.Renderer.DrawElements(Index, IndexFirst, PrimType);
}
else
{
Gpu.Renderer.DrawArrays(Index, VertexFirst, VertexCount, PrimType);
}
}
}
private void UploadVertexArrays(NvGpuVmm vmm, GalPipelineState state)
{
Profile.Begin(Profiles.GPU.Engine3d.UploadVertexArrays);
long ibPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
long iboKey = vmm.GetPhysicalAddress(ibPosition);
int indexEntryFmt = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int indexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
int primCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
GalPrimitiveType primType = (GalPrimitiveType)(primCtrl & 0xffff);
GalIndexFormat indexFormat = (GalIndexFormat)indexEntryFmt;
int indexEntrySize = 1 << indexEntryFmt;
if (indexEntrySize > 4)
{
throw new InvalidOperationException("Invalid index entry size \"" + indexEntrySize + "\"!");
}
if (indexCount != 0)
{
int ibSize = indexCount * indexEntrySize;
bool iboCached = _gpu.Renderer.Rasterizer.IsIboCached(iboKey, (uint)ibSize);
bool usesLegacyQuads =
primType == GalPrimitiveType.Quads ||
primType == GalPrimitiveType.QuadStrip;
if (!iboCached || _gpu.ResourceManager.MemoryRegionModified(vmm, iboKey, (uint)ibSize, NvGpuBufferType.Index))
{
if (!usesLegacyQuads)
{
if (vmm.TryGetHostAddress(ibPosition, ibSize, out IntPtr ibPtr))
{
_gpu.Renderer.Rasterizer.CreateIbo(iboKey, ibSize, ibPtr);
}
else
{
_gpu.Renderer.Rasterizer.CreateIbo(iboKey, ibSize, vmm.ReadBytes(ibPosition, ibSize));
}
}
else
{
byte[] buffer = vmm.ReadBytes(ibPosition, ibSize);
if (primType == GalPrimitiveType.Quads)
{
buffer = QuadHelper.ConvertQuadsToTris(buffer, indexEntrySize, indexCount);
}
else /* if (PrimType == GalPrimitiveType.QuadStrip) */
{
buffer = QuadHelper.ConvertQuadStripToTris(buffer, indexEntrySize, indexCount);
}
_gpu.Renderer.Rasterizer.CreateIbo(iboKey, ibSize, buffer);
}
}
if (!usesLegacyQuads)
{
_gpu.Renderer.Rasterizer.SetIndexArray(ibSize, indexFormat);
}
else
{
if (primType == GalPrimitiveType.Quads)
{
_gpu.Renderer.Rasterizer.SetIndexArray(QuadHelper.ConvertSizeQuadsToTris(ibSize), indexFormat);
}
else /* if (PrimType == GalPrimitiveType.QuadStrip) */
{
_gpu.Renderer.Rasterizer.SetIndexArray(QuadHelper.ConvertSizeQuadStripToTris(ibSize), indexFormat);
}
}
}
List <GalVertexAttrib>[] attribs = new List <GalVertexAttrib> [32];
for (int attr = 0; attr < 16; attr++)
{
int packed = ReadRegister(NvGpuEngine3dReg.VertexAttribNFormat + attr);
int arrayIndex = packed & 0x1f;
if (attribs[arrayIndex] == null)
{
attribs[arrayIndex] = new List <GalVertexAttrib>();
}
long vbPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + arrayIndex * 4);
if (vbPosition == 0)
{
continue;
}
bool isConst = ((packed >> 6) & 1) != 0;
int offset = (packed >> 7) & 0x3fff;
GalVertexAttribSize size = (GalVertexAttribSize)((packed >> 21) & 0x3f);
GalVertexAttribType type = (GalVertexAttribType)((packed >> 27) & 0x7);
bool isRgba = ((packed >> 31) & 1) != 0;
// Check vertex array is enabled to avoid out of bounds exception when reading bytes
bool enable = (ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + arrayIndex * 4) & 0x1000) != 0;
// Note: 16 is the maximum size of an attribute,
// having a component size of 32-bits with 4 elements (a vec4).
if (enable)
{
byte[] data = vmm.ReadBytes(vbPosition + offset, 16);
attribs[arrayIndex].Add(new GalVertexAttrib(attr, isConst, offset, data, size, type, isRgba));
}
}
state.VertexBindings = new GalVertexBinding[32];
for (int index = 0; index < 32; index++)
{
if (attribs[index] == null)
{
continue;
}
int control = ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + index * 4);
bool enable = (control & 0x1000) != 0;
if (!enable)
{
continue;
}
long vbPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + index * 4);
long vbEndPos = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNEndAddr + index * 2);
int vertexDivisor = ReadRegister(NvGpuEngine3dReg.VertexArrayNDivisor + index * 4);
bool instanced = ReadRegisterBool(NvGpuEngine3dReg.VertexArrayNInstance + index);
int stride = control & 0xfff;
if (instanced && vertexDivisor != 0)
{
vbPosition += stride * (_currentInstance / vertexDivisor);
}
if (vbPosition > vbEndPos)
{
// Instance is invalid, ignore the draw call
continue;
}
long vboKey = vmm.GetPhysicalAddress(vbPosition);
long vbSize = (vbEndPos - vbPosition) + 1;
int modifiedVbSize = (int)vbSize;
// If quads convert size to triangle length
if (stride == 0)
{
if (primType == GalPrimitiveType.Quads)
{
modifiedVbSize = QuadHelper.ConvertSizeQuadsToTris(modifiedVbSize);
}
else if (primType == GalPrimitiveType.QuadStrip)
{
modifiedVbSize = QuadHelper.ConvertSizeQuadStripToTris(modifiedVbSize);
}
}
bool vboCached = _gpu.Renderer.Rasterizer.IsVboCached(vboKey, modifiedVbSize);
if (!vboCached || _gpu.ResourceManager.MemoryRegionModified(vmm, vboKey, vbSize, NvGpuBufferType.Vertex))
{
if ((primType == GalPrimitiveType.Quads | primType == GalPrimitiveType.QuadStrip) && stride != 0)
{
// Convert quad buffer to triangles
byte[] data = vmm.ReadBytes(vbPosition, vbSize);
if (primType == GalPrimitiveType.Quads)
{
data = QuadHelper.ConvertQuadsToTris(data, stride, (int)(vbSize / stride));
}
else
{
data = QuadHelper.ConvertQuadStripToTris(data, stride, (int)(vbSize / stride));
}
_gpu.Renderer.Rasterizer.CreateVbo(vboKey, data);
}
else if (vmm.TryGetHostAddress(vbPosition, vbSize, out IntPtr vbPtr))
{
_gpu.Renderer.Rasterizer.CreateVbo(vboKey, (int)vbSize, vbPtr);
}
else
{
_gpu.Renderer.Rasterizer.CreateVbo(vboKey, vmm.ReadBytes(vbPosition, vbSize));
}
}
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();
}
Profile.End(Profiles.GPU.Engine3d.UploadVertexArrays);
}
private void DispatchRender(NvGpuVmm vmm, GalPipelineState state)
{
int indexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
int primCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
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);
_gpu.Renderer.RenderTarget.Bind();
if (indexCount != 0)
{
int indexEntryFmt = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int indexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst);
int vertexBase = ReadRegister(NvGpuEngine3dReg.VertexArrayElemBase);
long indexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
long iboKey = vmm.GetPhysicalAddress(indexPosition);
// Quad primitive types were deprecated on OpenGL 3.x,
// they are converted to a triangles index buffer on IB creation,
// so we should use the triangles type here too.
if (primType == GalPrimitiveType.Quads || primType == GalPrimitiveType.QuadStrip)
{
// Note: We assume that index first points to the first
// vertex of a quad, if it points to the middle of a
// quad (First % 4 != 0 for Quads) then it will not work properly.
if (primType == GalPrimitiveType.Quads)
{
indexFirst = QuadHelper.ConvertSizeQuadsToTris(indexFirst);
}
else // QuadStrip
{
indexFirst = QuadHelper.ConvertSizeQuadStripToTris(indexFirst);
}
primType = GalPrimitiveType.Triangles;
}
_gpu.Renderer.Rasterizer.DrawElements(iboKey, indexFirst, vertexBase, primType);
}
else
{
int vertexFirst = ReadRegister(NvGpuEngine3dReg.VertexArrayFirst);
int vertexCount = ReadRegister(NvGpuEngine3dReg.VertexArrayCount);
// Quad primitive types were deprecated on OpenGL 3.x,
// they are converted to a triangles index buffer on IB creation,
// so we should use the triangles type here too.
if (primType == GalPrimitiveType.Quads || primType == GalPrimitiveType.QuadStrip)
{
// Note: We assume that index first points to the first
// vertex of a quad, if it points to the middle of a
// quad (First % 4 != 0 for Quads) then it will not work properly.
if (primType == GalPrimitiveType.Quads)
{
vertexFirst = QuadHelper.ConvertSizeQuadsToTris(vertexFirst);
}
else // QuadStrip
{
vertexFirst = QuadHelper.ConvertSizeQuadStripToTris(vertexFirst);
}
primType = GalPrimitiveType.Triangles;
vertexCount = QuadHelper.ConvertSizeQuadsToTris(vertexCount);
}
_gpu.Renderer.Rasterizer.DrawArrays(vertexFirst, vertexCount, primType);
}
// Reset pipeline for host OpenGL calls
_gpu.Renderer.Pipeline.Unbind(state);
// Is the GPU really clearing those registers after draw?
WriteRegister(NvGpuEngine3dReg.IndexBatchFirst, 0);
WriteRegister(NvGpuEngine3dReg.IndexBatchCount, 0);
}
private void UploadVertexArrays(NvGpuVmm Vmm)
{
long IndexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
long IboKey = Vmm.GetPhysicalAddress(IndexPosition);
int IndexEntryFmt = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int IndexFirst = ReadRegister(NvGpuEngine3dReg.IndexBatchFirst);
int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
GalIndexFormat IndexFormat = (GalIndexFormat)IndexEntryFmt;
int IndexEntrySize = 1 << IndexEntryFmt;
if (IndexEntrySize > 4)
{
throw new InvalidOperationException();
}
if (IndexCount != 0)
{
int IbSize = IndexCount * IndexEntrySize;
bool IboCached = Gpu.Renderer.Rasterizer.IsIboCached(IboKey, (uint)IbSize);
if (!IboCached || Vmm.IsRegionModified(IboKey, (uint)IbSize, NvGpuBufferType.Index))
{
IntPtr DataAddress = Vmm.GetHostAddress(IndexPosition, IbSize);
Gpu.Renderer.Rasterizer.CreateIbo(IboKey, IbSize, DataAddress);
}
Gpu.Renderer.Rasterizer.SetIndexArray(IbSize, IndexFormat);
}
List <GalVertexAttrib>[] Attribs = new List <GalVertexAttrib> [32];
for (int Attr = 0; Attr < 16; Attr++)
{
int Packed = ReadRegister(NvGpuEngine3dReg.VertexAttribNFormat + Attr);
int ArrayIndex = Packed & 0x1f;
if (Attribs[ArrayIndex] == null)
{
Attribs[ArrayIndex] = new List <GalVertexAttrib>();
}
Attribs[ArrayIndex].Add(new GalVertexAttrib(
Attr,
((Packed >> 6) & 0x1) != 0,
(Packed >> 7) & 0x3fff,
(GalVertexAttribSize)((Packed >> 21) & 0x3f),
(GalVertexAttribType)((Packed >> 27) & 0x7),
((Packed >> 31) & 0x1) != 0));
}
int VertexFirst = ReadRegister(NvGpuEngine3dReg.VertexArrayFirst);
int VertexCount = ReadRegister(NvGpuEngine3dReg.VertexArrayCount);
int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
for (int Index = 0; Index < 32; Index++)
{
if (Attribs[Index] == null)
{
continue;
}
int Control = ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + Index * 4);
bool Enable = (Control & 0x1000) != 0;
long VertexPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + Index * 4);
long VertexEndPos = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNEndAddr + Index * 2);
if (!Enable)
{
continue;
}
long VboKey = Vmm.GetPhysicalAddress(VertexPosition);
int Stride = Control & 0xfff;
long VbSize = (VertexEndPos - VertexPosition) + 1;
bool VboCached = Gpu.Renderer.Rasterizer.IsVboCached(VboKey, VbSize);
if (!VboCached || Vmm.IsRegionModified(VboKey, VbSize, NvGpuBufferType.Vertex))
{
IntPtr DataAddress = Vmm.GetHostAddress(VertexPosition, VbSize);
Gpu.Renderer.Rasterizer.CreateVbo(VboKey, (int)VbSize, DataAddress);
}
Gpu.Renderer.Rasterizer.SetVertexArray(Stride, VboKey, Attribs[Index].ToArray());
}
GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
if (IndexCount != 0)
{
int VertexBase = ReadRegister(NvGpuEngine3dReg.VertexArrayElemBase);
Gpu.Renderer.Rasterizer.DrawElements(IboKey, IndexFirst, VertexBase, PrimType);
}
else
{
Gpu.Renderer.Rasterizer.DrawArrays(VertexFirst, VertexCount, PrimType);
}
}
private void UploadVertexArrays(NvGpuVmm Vmm, GalPipelineState State)
{
long IbPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.IndexArrayAddress);
long IboKey = Vmm.GetPhysicalAddress(IbPosition);
int IndexEntryFmt = ReadRegister(NvGpuEngine3dReg.IndexArrayFormat);
int IndexCount = ReadRegister(NvGpuEngine3dReg.IndexBatchCount);
int PrimCtrl = ReadRegister(NvGpuEngine3dReg.VertexBeginGl);
GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
GalIndexFormat IndexFormat = (GalIndexFormat)IndexEntryFmt;
int IndexEntrySize = 1 << IndexEntryFmt;
if (IndexEntrySize > 4)
{
throw new InvalidOperationException("Invalid index entry size \"" + IndexEntrySize + "\"!");
}
if (IndexCount != 0)
{
int IbSize = IndexCount * IndexEntrySize;
bool IboCached = Gpu.Renderer.Rasterizer.IsIboCached(IboKey, (uint)IbSize);
bool UsesLegacyQuads =
PrimType == GalPrimitiveType.Quads ||
PrimType == GalPrimitiveType.QuadStrip;
if (!IboCached || Gpu.ResourceManager.MemoryRegionModified(Vmm, IboKey, (uint)IbSize, NvGpuBufferType.Index))
{
if (!UsesLegacyQuads)
{
if (Vmm.TryGetHostAddress(IbPosition, IbSize, out IntPtr IbPtr))
{
Gpu.Renderer.Rasterizer.CreateIbo(IboKey, IbSize, IbPtr);
}
else
{
Gpu.Renderer.Rasterizer.CreateIbo(IboKey, IbSize, Vmm.ReadBytes(IbPosition, IbSize));
}
}
else
{
byte[] Buffer = Vmm.ReadBytes(IbPosition, IbSize);
if (PrimType == GalPrimitiveType.Quads)
{
Buffer = QuadHelper.ConvertIbQuadsToTris(Buffer, IndexEntrySize, IndexCount);
}
else /* if (PrimType == GalPrimitiveType.QuadStrip) */
{
Buffer = QuadHelper.ConvertIbQuadStripToTris(Buffer, IndexEntrySize, IndexCount);
}
Gpu.Renderer.Rasterizer.CreateIbo(IboKey, IbSize, Buffer);
}
}
if (!UsesLegacyQuads)
{
Gpu.Renderer.Rasterizer.SetIndexArray(IbSize, IndexFormat);
}
else
{
if (PrimType == GalPrimitiveType.Quads)
{
Gpu.Renderer.Rasterizer.SetIndexArray(QuadHelper.ConvertIbSizeQuadsToTris(IbSize), IndexFormat);
}
else /* if (PrimType == GalPrimitiveType.QuadStrip) */
{
Gpu.Renderer.Rasterizer.SetIndexArray(QuadHelper.ConvertIbSizeQuadStripToTris(IbSize), IndexFormat);
}
}
}
List <GalVertexAttrib>[] Attribs = new List <GalVertexAttrib> [32];
for (int Attr = 0; Attr < 16; Attr++)
{
int Packed = ReadRegister(NvGpuEngine3dReg.VertexAttribNFormat + Attr);
int ArrayIndex = Packed & 0x1f;
if (Attribs[ArrayIndex] == null)
{
Attribs[ArrayIndex] = new List <GalVertexAttrib>();
}
long VbPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + ArrayIndex * 4);
if (VbPosition == 0)
{
continue;
}
bool IsConst = ((Packed >> 6) & 1) != 0;
int Offset = (Packed >> 7) & 0x3fff;
GalVertexAttribSize Size = (GalVertexAttribSize)((Packed >> 21) & 0x3f);
GalVertexAttribType Type = (GalVertexAttribType)((Packed >> 27) & 0x7);
bool IsRgba = ((Packed >> 31) & 1) != 0;
//Note: 16 is the maximum size of an attribute,
//having a component size of 32-bits with 4 elements (a vec4).
byte[] Data = Vmm.ReadBytes(VbPosition + Offset, 16);
Attribs[ArrayIndex].Add(new GalVertexAttrib(Attr, IsConst, Offset, Data, Size, Type, IsRgba));
}
State.VertexBindings = new GalVertexBinding[32];
for (int Index = 0; Index < 32; Index++)
{
if (Attribs[Index] == null)
{
continue;
}
int Control = ReadRegister(NvGpuEngine3dReg.VertexArrayNControl + Index * 4);
bool Enable = (Control & 0x1000) != 0;
if (!Enable)
{
continue;
}
long VbPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNAddress + Index * 4);
long VbEndPos = MakeInt64From2xInt32(NvGpuEngine3dReg.VertexArrayNEndAddr + Index * 2);
int VertexDivisor = ReadRegister(NvGpuEngine3dReg.VertexArrayNDivisor + Index * 4);
bool Instanced = ReadRegisterBool(NvGpuEngine3dReg.VertexArrayNInstance + Index);
int Stride = Control & 0xfff;
if (Instanced && VertexDivisor != 0)
{
VbPosition += Stride * (CurrentInstance / VertexDivisor);
}
if (VbPosition > VbEndPos)
{
//Instance is invalid, ignore the draw call
continue;
}
long VboKey = Vmm.GetPhysicalAddress(VbPosition);
long VbSize = (VbEndPos - VbPosition) + 1;
bool VboCached = Gpu.Renderer.Rasterizer.IsVboCached(VboKey, VbSize);
if (!VboCached || Gpu.ResourceManager.MemoryRegionModified(Vmm, VboKey, VbSize, NvGpuBufferType.Vertex))
{
if (Vmm.TryGetHostAddress(VbPosition, VbSize, out IntPtr VbPtr))
{
Gpu.Renderer.Rasterizer.CreateVbo(VboKey, (int)VbSize, VbPtr);
}
else
{
Gpu.Renderer.Rasterizer.CreateVbo(VboKey, Vmm.ReadBytes(VbPosition, VbSize));
}
}
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();
}
}
public void DrawElements(long IboTag, int First, GalPrimitiveType PrimType)
{
ActionsQueue.Enqueue(() => Rasterizer.DrawElements(IboTag, First, PrimType));
}
public void DrawArrays(int First, int PrimCount, GalPrimitiveType PrimType)
{
ActionsQueue.Enqueue(() => Rasterizer.DrawArrays(First, PrimCount, PrimType));
}
