/// <summary>
/// Performs a buffer to buffer, or buffer to texture copy.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="argument">Method call argument</param>
private void CopyBuffer(GpuState state, int argument)
{
var cbp = state.Get <CopyBufferParams>(MethodOffset.CopyBufferParams);
var swizzle = state.Get <CopyBufferSwizzle>(MethodOffset.CopyBufferSwizzle);
bool srcLinear = (argument & (1 << 7)) != 0;
bool dstLinear = (argument & (1 << 8)) != 0;
bool copy2D = (argument & (1 << 9)) != 0;
int size = cbp.XCount;
if (size == 0)
{
return;
}
if (copy2D)
{
// Buffer to texture copy.
var dst = state.Get <CopyBufferTexture>(MethodOffset.CopyBufferDstTexture);
var src = state.Get <CopyBufferTexture>(MethodOffset.CopyBufferSrcTexture);
var srcCalculator = new OffsetCalculator(
src.Width,
src.Height,
cbp.SrcStride,
srcLinear,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
1);
var dstCalculator = new OffsetCalculator(
dst.Width,
dst.Height,
cbp.DstStride,
dstLinear,
dst.MemoryLayout.UnpackGobBlocksInY(),
dst.MemoryLayout.UnpackGobBlocksInZ(),
1);
ulong srcBaseAddress = _context.MemoryManager.Translate(cbp.SrcAddress.Pack());
ulong dstBaseAddress = _context.MemoryManager.Translate(cbp.DstAddress.Pack());
(int srcBaseOffset, int srcSize) = srcCalculator.GetRectangleRange(src.RegionX, src.RegionY, cbp.XCount, cbp.YCount);
(int dstBaseOffset, int dstSize) = dstCalculator.GetRectangleRange(dst.RegionX, dst.RegionY, cbp.XCount, cbp.YCount);
ReadOnlySpan <byte> srcSpan = _context.PhysicalMemory.GetSpan(srcBaseAddress + (ulong)srcBaseOffset, srcSize, true);
Span <byte> dstSpan = _context.PhysicalMemory.GetSpan(dstBaseAddress + (ulong)dstBaseOffset, dstSize).ToArray();
bool completeSource = IsTextureCopyComplete(cbp, src, srcLinear, cbp.SrcStride);
bool completeDest = IsTextureCopyComplete(cbp, dst, dstLinear, cbp.DstStride);
if (completeSource && completeDest)
{
Image.Texture target = TextureManager.FindTexture(dst, cbp, swizzle, dstLinear);
if (target != null)
{
ReadOnlySpan <byte> data;
if (srcLinear)
{
data = LayoutConverter.ConvertLinearStridedToLinear(
target.Info.Width,
target.Info.Height,
1,
1,
cbp.SrcStride,
target.Info.FormatInfo.BytesPerPixel,
srcSpan);
}
else
{
data = LayoutConverter.ConvertBlockLinearToLinear(
src.Width,
src.Height,
1,
target.Info.Levels,
1,
1,
1,
1,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
1,
new SizeInfo((int)target.Size),
srcSpan);
}
target.SetData(data);
target.SignalModified();
return;
}
else if (srcCalculator.LayoutMatches(dstCalculator))
{
srcSpan.CopyTo(dstSpan); // No layout conversion has to be performed, just copy the data entirely.
_context.PhysicalMemory.Write(dstBaseAddress + (ulong)dstBaseOffset, dstSpan);
return;
}
}
unsafe bool Convert <T>(Span <byte> dstSpan, ReadOnlySpan <byte> srcSpan) where T : unmanaged
{
fixed(byte *dstPtr = dstSpan, srcPtr = srcSpan)
{
byte *dstBase = dstPtr - dstBaseOffset; // Layout offset is relative to the base, so we need to subtract the span's offset.
byte *srcBase = srcPtr - srcBaseOffset;
for (int y = 0; y < cbp.YCount; y++)
{
srcCalculator.SetY(src.RegionY + y);
dstCalculator.SetY(dst.RegionY + y);
for (int x = 0; x < cbp.XCount; x++)
{
int srcOffset = srcCalculator.GetOffset(src.RegionX + x);
int dstOffset = dstCalculator.GetOffset(dst.RegionX + x);
*(T *)(dstBase + dstOffset) = *(T *)(srcBase + srcOffset);
}
}
}
return(true);
}
Convert <byte>(dstSpan, srcSpan);
_context.PhysicalMemory.Write(dstBaseAddress + (ulong)dstBaseOffset, dstSpan);
}
else
{
// Buffer to buffer copy.
BufferManager.CopyBuffer(cbp.SrcAddress, cbp.DstAddress, (uint)size);
}
}
/// <summary>
/// Performs a buffer to buffer, or buffer to texture copy.
/// </summary>
/// <param name="argument">The LaunchDma call argument</param>
private void DmaCopy(int argument)
{
var memoryManager = _channel.MemoryManager;
CopyFlags copyFlags = (CopyFlags)argument;
bool srcLinear = copyFlags.HasFlag(CopyFlags.SrcLinear);
bool dstLinear = copyFlags.HasFlag(CopyFlags.DstLinear);
bool copy2D = copyFlags.HasFlag(CopyFlags.MultiLineEnable);
bool remap = copyFlags.HasFlag(CopyFlags.RemapEnable);
uint size = _state.State.LineLengthIn;
if (size == 0)
{
return;
}
ulong srcGpuVa = ((ulong)_state.State.OffsetInUpperUpper << 32) | _state.State.OffsetInLower;
ulong dstGpuVa = ((ulong)_state.State.OffsetOutUpperUpper << 32) | _state.State.OffsetOutLower;
int xCount = (int)_state.State.LineLengthIn;
int yCount = (int)_state.State.LineCount;
_3dEngine.FlushUboDirty();
if (copy2D)
{
// Buffer to texture copy.
int componentSize = (int)_state.State.SetRemapComponentsComponentSize + 1;
int srcBpp = remap ? ((int)_state.State.SetRemapComponentsNumSrcComponents + 1) * componentSize : 1;
int dstBpp = remap ? ((int)_state.State.SetRemapComponentsNumDstComponents + 1) * componentSize : 1;
var dst = Unsafe.As <uint, DmaTexture>(ref _state.State.SetDstBlockSize);
var src = Unsafe.As <uint, DmaTexture>(ref _state.State.SetSrcBlockSize);
int srcStride = (int)_state.State.PitchIn;
int dstStride = (int)_state.State.PitchOut;
var srcCalculator = new OffsetCalculator(
src.Width,
src.Height,
srcStride,
srcLinear,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
srcBpp);
var dstCalculator = new OffsetCalculator(
dst.Width,
dst.Height,
dstStride,
dstLinear,
dst.MemoryLayout.UnpackGobBlocksInY(),
dst.MemoryLayout.UnpackGobBlocksInZ(),
dstBpp);
(int srcBaseOffset, int srcSize) = srcCalculator.GetRectangleRange(src.RegionX, src.RegionY, xCount, yCount);
(int dstBaseOffset, int dstSize) = dstCalculator.GetRectangleRange(dst.RegionX, dst.RegionY, xCount, yCount);
if (srcLinear && srcStride < 0)
{
srcBaseOffset += srcStride * (yCount - 1);
}
if (dstLinear && dstStride < 0)
{
dstBaseOffset += dstStride * (yCount - 1);
}
ReadOnlySpan <byte> srcSpan = memoryManager.GetSpan(srcGpuVa + (ulong)srcBaseOffset, srcSize, true);
Span <byte> dstSpan = memoryManager.GetSpan(dstGpuVa + (ulong)dstBaseOffset, dstSize).ToArray();
bool completeSource = IsTextureCopyComplete(src, srcLinear, srcBpp, srcStride, xCount, yCount);
bool completeDest = IsTextureCopyComplete(dst, dstLinear, dstBpp, dstStride, xCount, yCount);
if (completeSource && completeDest)
{
var target = memoryManager.Physical.TextureCache.FindTexture(
memoryManager,
dst,
dstGpuVa,
dstBpp,
dstStride,
xCount,
yCount,
dstLinear);
if (target != null)
{
ReadOnlySpan <byte> data;
if (srcLinear)
{
data = LayoutConverter.ConvertLinearStridedToLinear(
target.Info.Width,
target.Info.Height,
1,
1,
xCount * srcBpp,
srcStride,
target.Info.FormatInfo.BytesPerPixel,
srcSpan);
}
else
{
data = LayoutConverter.ConvertBlockLinearToLinear(
src.Width,
src.Height,
src.Depth,
1,
1,
1,
1,
1,
srcBpp,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
1,
new SizeInfo((int)target.Size),
srcSpan);
}
target.SynchronizeMemory();
target.SetData(data);
target.SignalModified();
return;
}
else if (srcCalculator.LayoutMatches(dstCalculator))
{
srcSpan.CopyTo(dstSpan); // No layout conversion has to be performed, just copy the data entirely.
memoryManager.Write(dstGpuVa + (ulong)dstBaseOffset, dstSpan);
return;
}
}
unsafe bool Convert <T>(Span <byte> dstSpan, ReadOnlySpan <byte> srcSpan) where T : unmanaged
{
fixed(byte *dstPtr = dstSpan, srcPtr = srcSpan)
{
byte *dstBase = dstPtr - dstBaseOffset; // Layout offset is relative to the base, so we need to subtract the span's offset.
byte *srcBase = srcPtr - srcBaseOffset;
for (int y = 0; y < yCount; y++)
{
srcCalculator.SetY(src.RegionY + y);
dstCalculator.SetY(dst.RegionY + y);
for (int x = 0; x < xCount; x++)
{
int srcOffset = srcCalculator.GetOffset(src.RegionX + x);
int dstOffset = dstCalculator.GetOffset(dst.RegionX + x);
*(T *)(dstBase + dstOffset) = *(T *)(srcBase + srcOffset);
}
}
}
return(true);
}
bool _ = srcBpp switch
{
1 => Convert <byte>(dstSpan, srcSpan),
2 => Convert <ushort>(dstSpan, srcSpan),
4 => Convert <uint>(dstSpan, srcSpan),
8 => Convert <ulong>(dstSpan, srcSpan),
12 => Convert <Bpp12Pixel>(dstSpan, srcSpan),
16 => Convert <Vector128 <byte> >(dstSpan, srcSpan),
_ => throw new NotSupportedException($"Unable to copy ${srcBpp} bpp pixel format.")
};
memoryManager.Write(dstGpuVa + (ulong)dstBaseOffset, dstSpan);
}
else
{
if (remap &&
_state.State.SetRemapComponentsDstX == SetRemapComponentsDst.ConstA &&
_state.State.SetRemapComponentsDstY == SetRemapComponentsDst.ConstA &&
_state.State.SetRemapComponentsDstZ == SetRemapComponentsDst.ConstA &&
_state.State.SetRemapComponentsDstW == SetRemapComponentsDst.ConstA &&
_state.State.SetRemapComponentsNumSrcComponents == SetRemapComponentsNumComponents.One &&
_state.State.SetRemapComponentsNumDstComponents == SetRemapComponentsNumComponents.One &&
_state.State.SetRemapComponentsComponentSize == SetRemapComponentsComponentSize.Four)
{
// Fast path for clears when remap is enabled.
memoryManager.Physical.BufferCache.ClearBuffer(memoryManager, dstGpuVa, size * 4, _state.State.SetRemapConstA);
}
else
{
// TODO: Implement remap functionality.
// Buffer to buffer copy.
memoryManager.Physical.BufferCache.CopyBuffer(memoryManager, srcGpuVa, dstGpuVa, size);
}
}
}
/// <summary>
/// Performs a buffer to buffer, or buffer to texture copy.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="argument">Method call argument</param>
private void CopyBuffer(GpuState state, int argument)
{
var cbp = state.Get <CopyBufferParams>(MethodOffset.CopyBufferParams);
var swizzle = state.Get <CopyBufferSwizzle>(MethodOffset.CopyBufferSwizzle);
CopyFlags copyFlags = (CopyFlags)argument;
bool srcLinear = copyFlags.HasFlag(CopyFlags.SrcLinear);
bool dstLinear = copyFlags.HasFlag(CopyFlags.DstLinear);
bool copy2D = copyFlags.HasFlag(CopyFlags.MultiLineEnable);
bool remap = copyFlags.HasFlag(CopyFlags.RemapEnable);
int size = cbp.XCount;
if (size == 0)
{
return;
}
if (copy2D)
{
// Buffer to texture copy.
int srcBpp = remap ? swizzle.UnpackSrcComponentsCount() * swizzle.UnpackComponentSize() : 1;
int dstBpp = remap ? swizzle.UnpackDstComponentsCount() * swizzle.UnpackComponentSize() : 1;
var dst = state.Get <CopyBufferTexture>(MethodOffset.CopyBufferDstTexture);
var src = state.Get <CopyBufferTexture>(MethodOffset.CopyBufferSrcTexture);
var srcCalculator = new OffsetCalculator(
src.Width,
src.Height,
cbp.SrcStride,
srcLinear,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
srcBpp);
var dstCalculator = new OffsetCalculator(
dst.Width,
dst.Height,
cbp.DstStride,
dstLinear,
dst.MemoryLayout.UnpackGobBlocksInY(),
dst.MemoryLayout.UnpackGobBlocksInZ(),
dstBpp);
ulong srcBaseAddress = _context.MemoryManager.Translate(cbp.SrcAddress.Pack());
ulong dstBaseAddress = _context.MemoryManager.Translate(cbp.DstAddress.Pack());
(int srcBaseOffset, int srcSize) = srcCalculator.GetRectangleRange(src.RegionX, src.RegionY, cbp.XCount, cbp.YCount);
(int dstBaseOffset, int dstSize) = dstCalculator.GetRectangleRange(dst.RegionX, dst.RegionY, cbp.XCount, cbp.YCount);
ReadOnlySpan <byte> srcSpan = _context.PhysicalMemory.GetSpan(srcBaseAddress + (ulong)srcBaseOffset, srcSize, true);
Span <byte> dstSpan = _context.PhysicalMemory.GetSpan(dstBaseAddress + (ulong)dstBaseOffset, dstSize).ToArray();
bool completeSource = IsTextureCopyComplete(cbp, src, srcLinear, srcBpp, cbp.SrcStride);
bool completeDest = IsTextureCopyComplete(cbp, dst, dstLinear, dstBpp, cbp.DstStride);
if (completeSource && completeDest)
{
Image.Texture target = TextureManager.FindTexture(dst, cbp, swizzle, dstLinear);
if (target != null)
{
ReadOnlySpan <byte> data;
if (srcLinear)
{
data = LayoutConverter.ConvertLinearStridedToLinear(
target.Info.Width,
target.Info.Height,
1,
1,
cbp.SrcStride,
target.Info.FormatInfo.BytesPerPixel,
srcSpan);
}
else
{
data = LayoutConverter.ConvertBlockLinearToLinear(
src.Width,
src.Height,
1,
target.Info.Levels,
1,
1,
1,
srcBpp,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
1,
new SizeInfo((int)target.Size),
srcSpan);
}
target.SetData(data);
target.SignalModified();
return;
}
else if (srcCalculator.LayoutMatches(dstCalculator))
{
srcSpan.CopyTo(dstSpan); // No layout conversion has to be performed, just copy the data entirely.
_context.PhysicalMemory.Write(dstBaseAddress + (ulong)dstBaseOffset, dstSpan);
return;
}
}
unsafe bool Convert <T>(Span <byte> dstSpan, ReadOnlySpan <byte> srcSpan) where T : unmanaged
{
fixed(byte *dstPtr = dstSpan, srcPtr = srcSpan)
{
byte *dstBase = dstPtr - dstBaseOffset; // Layout offset is relative to the base, so we need to subtract the span's offset.
byte *srcBase = srcPtr - srcBaseOffset;
for (int y = 0; y < cbp.YCount; y++)
{
srcCalculator.SetY(src.RegionY + y);
dstCalculator.SetY(dst.RegionY + y);
for (int x = 0; x < cbp.XCount; x++)
{
int srcOffset = srcCalculator.GetOffset(src.RegionX + x);
int dstOffset = dstCalculator.GetOffset(dst.RegionX + x);
*(T *)(dstBase + dstOffset) = *(T *)(srcBase + srcOffset);
}
}
}
return(true);
}
bool _ = srcBpp switch
{
1 => Convert <byte>(dstSpan, srcSpan),
2 => Convert <ushort>(dstSpan, srcSpan),
4 => Convert <uint>(dstSpan, srcSpan),
8 => Convert <ulong>(dstSpan, srcSpan),
12 => Convert <Bpp12Pixel>(dstSpan, srcSpan),
16 => Convert <Vector128 <byte> >(dstSpan, srcSpan),
_ => throw new NotSupportedException($"Unable to copy ${srcBpp} bpp pixel format.")
};
_context.PhysicalMemory.Write(dstBaseAddress + (ulong)dstBaseOffset, dstSpan);
}
else
{
if (remap &&
swizzle.UnpackDstX() == BufferSwizzleComponent.ConstA &&
swizzle.UnpackDstY() == BufferSwizzleComponent.ConstA &&
swizzle.UnpackDstZ() == BufferSwizzleComponent.ConstA &&
swizzle.UnpackDstW() == BufferSwizzleComponent.ConstA &&
swizzle.UnpackSrcComponentsCount() == 1 &&
swizzle.UnpackDstComponentsCount() == 1 &&
swizzle.UnpackComponentSize() == 4)
{
// Fast path for clears when remap is enabled.
BufferManager.ClearBuffer(cbp.DstAddress, (uint)size * 4, state.Get <uint>(MethodOffset.CopyBufferConstA));
}
else
{
// TODO: Implement remap functionality.
// Buffer to buffer copy.
BufferManager.CopyBuffer(cbp.SrcAddress, cbp.DstAddress, (uint)size);
}
}
}
private unsafe static void WriteChroma(
Span <byte> dst,
ReadOnlySpan <byte> srcU,
ReadOnlySpan <byte> srcV,
int srcStride,
int width,
int height)
{
OffsetCalculator calc = new OffsetCalculator(width, height, 0, false, 2, 2);
if (Sse2.IsSupported)
{
int strideTrunc64 = BitUtils.AlignDown(width * 2, 64);
int inStrideGap = srcStride - width;
fixed(byte *outputPtr = dst, srcUPtr = srcU, srcVPtr = srcV)
{
byte *inUPtr = srcUPtr;
byte *inVPtr = srcVPtr;
for (int y = 0; y < height; y++)
{
calc.SetY(y);
for (int x = 0; x < strideTrunc64; x += 64, inUPtr += 32, inVPtr += 32)
{
byte *offset = outputPtr + calc.GetOffsetWithLineOffset64(x);
byte *offset2 = offset + 0x20;
byte *offset3 = offset + 0x100;
byte *offset4 = offset + 0x120;
Vector128 <byte> value = *(Vector128 <byte> *)inUPtr;
Vector128 <byte> value2 = *(Vector128 <byte> *)inVPtr;
Vector128 <byte> value3 = *(Vector128 <byte> *)(inUPtr + 16);
Vector128 <byte> value4 = *(Vector128 <byte> *)(inVPtr + 16);
Vector128 <byte> uv0 = Sse2.UnpackLow(value, value2);
Vector128 <byte> uv1 = Sse2.UnpackHigh(value, value2);
Vector128 <byte> uv2 = Sse2.UnpackLow(value3, value4);
Vector128 <byte> uv3 = Sse2.UnpackHigh(value3, value4);
*(Vector128 <byte> *)offset = uv0;
*(Vector128 <byte> *)offset2 = uv1;
*(Vector128 <byte> *)offset3 = uv2;
*(Vector128 <byte> *)offset4 = uv3;
}
for (int x = strideTrunc64 / 2; x < width; x++, inUPtr++, inVPtr++)
{
byte *offset = outputPtr + calc.GetOffset(x);
*offset = *inUPtr;
*(offset + 1) = *inVPtr;
}
inUPtr += inStrideGap;
inVPtr += inStrideGap;
}
}
}
else
{
for (int y = 0; y < height; y++)
{
int srcBaseOffset = y * srcStride;
calc.SetY(y);
for (int x = 0; x < width; x++)
{
int dstOffset = calc.GetOffset(x);
dst[dstOffset + 0] = srcU[srcBaseOffset + x];
dst[dstOffset + 1] = srcV[srcBaseOffset + x];
}
}
}
}
/// <summary>
/// Performs a buffer to buffer, or buffer to texture copy.
/// </summary>
/// <param name="state">Current GPU state</param>
/// <param name="argument">Method call argument</param>
private void CopyBuffer(GpuState state, int argument)
{
var cbp = state.Get <CopyBufferParams>(MethodOffset.CopyBufferParams);
var swizzle = state.Get <CopyBufferSwizzle>(MethodOffset.CopyBufferSwizzle);
bool srcLinear = (argument & (1 << 7)) != 0;
bool dstLinear = (argument & (1 << 8)) != 0;
bool copy2D = (argument & (1 << 9)) != 0;
int size = cbp.XCount;
if (size == 0)
{
return;
}
if (copy2D)
{
// Buffer to texture copy.
int srcBpp = swizzle.UnpackSrcComponentsCount() * swizzle.UnpackComponentSize();
int dstBpp = swizzle.UnpackDstComponentsCount() * swizzle.UnpackComponentSize();
var dst = state.Get <CopyBufferTexture>(MethodOffset.CopyBufferDstTexture);
var src = state.Get <CopyBufferTexture>(MethodOffset.CopyBufferSrcTexture);
var srcCalculator = new OffsetCalculator(
src.Width,
src.Height,
cbp.SrcStride,
srcLinear,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
srcBpp);
var dstCalculator = new OffsetCalculator(
dst.Width,
dst.Height,
cbp.DstStride,
dstLinear,
dst.MemoryLayout.UnpackGobBlocksInY(),
dst.MemoryLayout.UnpackGobBlocksInZ(),
dstBpp);
ulong srcBaseAddress = _context.MemoryManager.Translate(cbp.SrcAddress.Pack());
ulong dstBaseAddress = _context.MemoryManager.Translate(cbp.DstAddress.Pack());
(int srcBaseOffset, int srcSize) = srcCalculator.GetRectangleRange(src.RegionX, src.RegionY, cbp.XCount, cbp.YCount);
(int dstBaseOffset, int dstSize) = dstCalculator.GetRectangleRange(dst.RegionX, dst.RegionY, cbp.XCount, cbp.YCount);
ReadOnlySpan <byte> srcSpan = _context.PhysicalMemory.GetSpan(srcBaseAddress + (ulong)srcBaseOffset, srcSize);
Span <byte> dstSpan = _context.PhysicalMemory.GetSpan(dstBaseAddress + (ulong)dstBaseOffset, dstSize).ToArray();
bool completeSource = src.RegionX == 0 && src.RegionY == 0 && src.Width == cbp.XCount && src.Height == cbp.YCount;
bool completeDest = dst.RegionX == 0 && dst.RegionY == 0 && dst.Width == cbp.XCount && dst.Height == cbp.YCount;
if (completeSource && completeDest && srcCalculator.LayoutMatches(dstCalculator))
{
srcSpan.CopyTo(dstSpan); // No layout conversion has to be performed, just copy the data entirely.
}
else
{
unsafe bool Convert <T>(Span <byte> dstSpan, ReadOnlySpan <byte> srcSpan) where T : unmanaged
{
fixed(byte *dstPtr = dstSpan, srcPtr = srcSpan)
{
byte *dstBase = dstPtr - dstBaseOffset; // Layout offset is relative to the base, so we need to subtract the span's offset.
byte *srcBase = srcPtr - srcBaseOffset;
for (int y = 0; y < cbp.YCount; y++)
{
srcCalculator.SetY(src.RegionY + y);
dstCalculator.SetY(dst.RegionY + y);
for (int x = 0; x < cbp.XCount; x++)
{
int srcOffset = srcCalculator.GetOffset(src.RegionX + x);
int dstOffset = dstCalculator.GetOffset(dst.RegionX + x);
*(T *)(dstBase + dstOffset) = *(T *)(srcBase + srcOffset);
}
}
}
return(true);
}
bool _ = srcBpp switch
{
1 => Convert <byte>(dstSpan, srcSpan),
2 => Convert <ushort>(dstSpan, srcSpan),
4 => Convert <uint>(dstSpan, srcSpan),
8 => Convert <ulong>(dstSpan, srcSpan),
12 => Convert <Bpp12Pixel>(dstSpan, srcSpan),
16 => Convert <Vector128 <byte> >(dstSpan, srcSpan),
_ => throw new NotSupportedException($"Unable to copy ${srcBpp} bpp pixel format.")
};
}
_context.PhysicalMemory.Write(dstBaseAddress + (ulong)dstBaseOffset, dstSpan);
}
else
{
// Buffer to buffer copy.
BufferManager.CopyBuffer(cbp.SrcAddress, cbp.DstAddress, (uint)size);
}
}
/// <summary>
/// Performs a full data copy between two textures, reading and writing guest memory directly.
/// The textures must have a matching layout, size, and bytes per pixel.
/// </summary>
/// <param name="src">The source texture</param>
/// <param name="dst">The destination texture</param>
/// <param name="w">Copy width</param>
/// <param name="h">Copy height</param>
/// <param name="bpp">Bytes per pixel</param>
private void UnscaledFullCopy(TwodTexture src, TwodTexture dst, int w, int h, int bpp)
{
var srcCalculator = new OffsetCalculator(
w,
h,
src.Stride,
src.LinearLayout,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
bpp);
(int _, int srcSize) = srcCalculator.GetRectangleRange(0, 0, w, h);
var memoryManager = _channel.MemoryManager;
ulong srcGpuVa = src.Address.Pack();
ulong dstGpuVa = dst.Address.Pack();
ReadOnlySpan <byte> srcSpan = memoryManager.GetSpan(srcGpuVa, srcSize, true);
int width;
int height = src.Height;
if (src.LinearLayout)
{
width = src.Stride / bpp;
}
else
{
width = src.Width;
}
// If the copy is not equal to the width and height of the texture, we will need to copy partially.
// It's worth noting that it has already been established that the src and dst are the same size.
if (w == width && h == height)
{
memoryManager.Write(dstGpuVa, srcSpan);
}
else
{
using WritableRegion dstRegion = memoryManager.GetWritableRegion(dstGpuVa, srcSize, true);
Span <byte> dstSpan = dstRegion.Memory.Span;
if (src.LinearLayout)
{
int stride = src.Stride;
int offset = 0;
int lineSize = width * bpp;
for (int y = 0; y < height; y++)
{
srcSpan.Slice(offset, lineSize).CopyTo(dstSpan.Slice(offset));
offset += stride;
}
}
else
{
// Copy with the block linear layout in mind.
// Recreate the offset calculate with bpp 1 for copy.
int stride = w * bpp;
srcCalculator = new OffsetCalculator(
stride,
h,
0,
false,
src.MemoryLayout.UnpackGobBlocksInY(),
src.MemoryLayout.UnpackGobBlocksInZ(),
1);
int strideTrunc = BitUtils.AlignDown(stride, 16);
ReadOnlySpan <Vector128 <byte> > srcVec = MemoryMarshal.Cast <byte, Vector128 <byte> >(srcSpan);
Span <Vector128 <byte> > dstVec = MemoryMarshal.Cast <byte, Vector128 <byte> >(dstSpan);
for (int y = 0; y < h; y++)
{
int x = 0;
srcCalculator.SetY(y);
for (; x < strideTrunc; x += 16)
{
int offset = srcCalculator.GetOffset(x) >> 4;
dstVec[offset] = srcVec[offset];
}
for (; x < stride; x++)
{
int offset = srcCalculator.GetOffset(x);
dstSpan[offset] = srcSpan[offset];
}
}
}
}
}
private unsafe static void ReadChroma(
Span <byte> dstU,
Span <byte> dstV,
ReadOnlySpan <byte> src,
int dstStride,
int width,
int height)
{
OffsetCalculator calc = new OffsetCalculator(width, height, 0, false, 2, 2);
if (Sse2.IsSupported)
{
int strideTrunc64 = BitUtils.AlignDown(width * 2, 64);
int outStrideGap = dstStride - width;
fixed(byte *dstUPtr = dstU, dstVPtr = dstV, dataPtr = src)
{
byte *uPtr = dstUPtr;
byte *vPtr = dstVPtr;
for (int y = 0; y < height; y++)
{
calc.SetY(y);
for (int x = 0; x < strideTrunc64; x += 64, uPtr += 32, vPtr += 32)
{
byte *offset = dataPtr + calc.GetOffsetWithLineOffset64(x);
byte *offset2 = offset + 0x20;
byte *offset3 = offset + 0x100;
byte *offset4 = offset + 0x120;
Vector128 <byte> value = *(Vector128 <byte> *)offset;
Vector128 <byte> value2 = *(Vector128 <byte> *)offset2;
Vector128 <byte> value3 = *(Vector128 <byte> *)offset3;
Vector128 <byte> value4 = *(Vector128 <byte> *)offset4;
Vector128 <byte> u00 = Sse2.UnpackLow(value, value2);
Vector128 <byte> v00 = Sse2.UnpackHigh(value, value2);
Vector128 <byte> u01 = Sse2.UnpackLow(value3, value4);
Vector128 <byte> v01 = Sse2.UnpackHigh(value3, value4);
Vector128 <byte> u10 = Sse2.UnpackLow(u00, v00);
Vector128 <byte> v10 = Sse2.UnpackHigh(u00, v00);
Vector128 <byte> u11 = Sse2.UnpackLow(u01, v01);
Vector128 <byte> v11 = Sse2.UnpackHigh(u01, v01);
Vector128 <byte> u20 = Sse2.UnpackLow(u10, v10);
Vector128 <byte> v20 = Sse2.UnpackHigh(u10, v10);
Vector128 <byte> u21 = Sse2.UnpackLow(u11, v11);
Vector128 <byte> v21 = Sse2.UnpackHigh(u11, v11);
Vector128 <byte> u30 = Sse2.UnpackLow(u20, v20);
Vector128 <byte> v30 = Sse2.UnpackHigh(u20, v20);
Vector128 <byte> u31 = Sse2.UnpackLow(u21, v21);
Vector128 <byte> v31 = Sse2.UnpackHigh(u21, v21);
*(Vector128 <byte> *)uPtr = u30;
*(Vector128 <byte> *)(uPtr + 16) = u31;
*(Vector128 <byte> *)vPtr = v30;
*(Vector128 <byte> *)(vPtr + 16) = v31;
}
for (int x = strideTrunc64 / 2; x < width; x++, uPtr++, vPtr++)
{
byte *offset = dataPtr + calc.GetOffset(x);
*uPtr = *offset;
*vPtr = *(offset + 1);
}
uPtr += outStrideGap;
vPtr += outStrideGap;
}
}
}
else
{
for (int y = 0; y < height; y++)
{
int dstBaseOffset = y * dstStride;
calc.SetY(y);
for (int x = 0; x < width; x++)
{
int srcOffset = calc.GetOffset(x);
dstU[dstBaseOffset + x] = src[srcOffset];
dstV[dstBaseOffset + x] = src[srcOffset + 1];
}
}
}
}