private void UploadTexture(NvGpuVmm Vmm, long BasePosition, int TexIndex, int HndIndex)
{
long Position = BasePosition + HndIndex * 4;
int TextureHandle = Vmm.ReadInt32(Position);
int TicIndex = (TextureHandle >> 0) & 0xfffff;
int TscIndex = (TextureHandle >> 20) & 0xfff;
long TicPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexHeaderPoolOffset);
long TscPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexSamplerPoolOffset);
TicPosition += TicIndex * 0x20;
TscPosition += TscIndex * 0x20;
GalTextureSampler Sampler = TextureFactory.MakeSampler(Gpu, Vmm, TscPosition);
long TextureAddress = Vmm.ReadInt64(TicPosition + 4) & 0xffffffffffff;
long Tag = TextureAddress;
TextureAddress = Vmm.GetPhysicalAddress(TextureAddress);
if (IsFrameBufferPosition(TextureAddress))
{
//This texture is a frame buffer texture,
//we shouldn't read anything from memory and bind
//the frame buffer texture instead, since we're not
//really writing anything to memory.
Gpu.Renderer.BindFrameBufferTexture(TextureAddress, TexIndex, Sampler);
}
else
{
GalTexture NewTexture = TextureFactory.MakeTexture(Vmm, TicPosition);
long Size = (uint)TextureHelper.GetTextureSize(NewTexture);
if (Gpu.Renderer.TryGetCachedTexture(Tag, Size, out GalTexture Texture))
{
if (NewTexture.Equals(Texture) && !Vmm.IsRegionModified(Tag, Size, NvGpuBufferType.Texture))
{
Gpu.Renderer.BindTexture(Tag, TexIndex);
return;
}
}
byte[] Data = TextureFactory.GetTextureData(Vmm, TicPosition);
Gpu.Renderer.SetTextureAndSampler(Tag, Data, NewTexture, Sampler);
Gpu.Renderer.BindTexture(Tag, TexIndex);
}
}
private void UploadVertexArrays(NvGpuVmm Vmm)
{
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)
{
int IbSize = IndexCount * IndexSize;
bool IboCached = Gpu.Renderer.IsIboCached(IndexPosition, (uint)IbSize);
if (!IboCached || Vmm.IsRegionModified(IndexPosition, (uint)IbSize, NvGpuBufferType.Index))
{
byte[] Data = Vmm.ReadBytes(IndexPosition, (uint)IbSize);
Gpu.Renderer.CreateIbo(IndexPosition, Data);
}
Gpu.Renderer.SetIndexArray(IndexPosition, 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;
}
int Stride = Control & 0xfff;
long VbSize = 0;
if (IndexCount != 0)
{
VbSize = (VertexEndPos - VertexPosition) + 1;
}
else
{
VbSize = VertexCount * Stride;
}
bool VboCached = Gpu.Renderer.IsVboCached(VertexPosition, VbSize);
if (!VboCached || Vmm.IsRegionModified(VertexPosition, VbSize, NvGpuBufferType.Vertex))
{
byte[] Data = Vmm.ReadBytes(VertexPosition, VbSize);
Gpu.Renderer.CreateVbo(VertexPosition, Data);
}
Gpu.Renderer.SetVertexArray(Index, Stride, VertexPosition, Attribs[Index].ToArray());
}
GalPrimitiveType PrimType = (GalPrimitiveType)(PrimCtrl & 0xffff);
if (IndexCount != 0)
{
Gpu.Renderer.DrawElements(IndexPosition, IndexFirst, PrimType);
}
else
{
Gpu.Renderer.DrawArrays(VertexFirst, VertexCount, PrimType);
}
}