public static int GetSize(GalImage image)
{
ImageDescriptor desc = GetImageDescriptor(image.Format);
int componentCount = GetCoordsCountTextureTarget(image.TextureTarget);
if (IsArray(image.TextureTarget))
{
componentCount--;
}
int width = DivRoundUp(image.Width, desc.BlockWidth);
int height = DivRoundUp(image.Height, desc.BlockHeight);
int depth = DivRoundUp(image.Depth, desc.BlockDepth);
switch (componentCount)
{
case 1:
return(desc.BytesPerPixel * width * image.LayerCount);
case 2:
return(desc.BytesPerPixel * width * height * image.LayerCount);
case 3:
return(desc.BytesPerPixel * width * height * depth * image.LayerCount);
default:
throw new InvalidOperationException($"Invalid component count: {componentCount}");
}
}
private void SetZeta(NvGpuVmm Vmm)
{
long VA = MakeInt64From2xInt32(NvGpuEngine3dReg.ZetaAddress);
int ZetaFormat = ReadRegister(NvGpuEngine3dReg.ZetaFormat);
int BlockDim = ReadRegister(NvGpuEngine3dReg.ZetaBlockDimensions);
int GobBlockHeight = 1 << ((BlockDim >> 4) & 7);
GalMemoryLayout Layout = (GalMemoryLayout)((BlockDim >> 12) & 1); //?
bool ZetaEnable = ReadRegisterBool(NvGpuEngine3dReg.ZetaEnable);
if (VA == 0 || ZetaFormat == 0 || !ZetaEnable)
{
Gpu.Renderer.RenderTarget.UnbindZeta();
return;
}
long Key = Vmm.GetPhysicalAddress(VA);
int Width = ReadRegister(NvGpuEngine3dReg.ZetaHoriz);
int Height = ReadRegister(NvGpuEngine3dReg.ZetaVert);
GalImageFormat Format = ImageUtils.ConvertZeta((GalZetaFormat)ZetaFormat);
GalImage Image = new GalImage(Width, Height, 1, GobBlockHeight, Layout, Format);
Gpu.ResourceManager.SendZetaBuffer(Vmm, Key, Image);
}
public void Create(long Key, int Size, GalImage Image)
{
int Handle = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, Handle);
const int Level = 0; //TODO: Support mipmap textures.
const int Border = 0;
TextureCache.AddOrUpdate(Key, new ImageHandler(Handle, Image), (uint)Size);
if (ImageUtils.IsCompressed(Image.Format))
{
throw new InvalidOperationException("Surfaces with compressed formats are not supported!");
}
(PixelInternalFormat InternalFmt,
PixelFormat Format,
PixelType Type) = OGLEnumConverter.GetImageFormat(Image.Format);
GL.TexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Image.Width,
Image.Height,
Border,
Format,
Type,
IntPtr.Zero);
}
private void SetZeta(NvGpuVmm Vmm)
{
long ZA = MakeInt64From2xInt32(NvGpuEngine3dReg.ZetaAddress);
int Format = ReadRegister(NvGpuEngine3dReg.ZetaFormat);
bool ZetaEnable = (ReadRegister(NvGpuEngine3dReg.ZetaEnable) & 1) != 0;
if (ZA == 0 || Format == 0 || !ZetaEnable)
{
Gpu.Renderer.FrameBuffer.UnbindZeta();
return;
}
long Key = Vmm.GetPhysicalAddress(ZA);
int Width = ReadRegister(NvGpuEngine3dReg.ZetaHoriz);
int Height = ReadRegister(NvGpuEngine3dReg.ZetaVert);
GalImageFormat ImageFormat = ImageFormatConverter.ConvertZeta((GalZetaFormat)Format);
GalImage Image = new GalImage(Width, Height, ImageFormat);
long Size = TextureHelper.GetTextureSize(Image);
Gpu.Renderer.Texture.CreateFb(Key, Size, Image);
Gpu.Renderer.FrameBuffer.BindZeta(Key);
}
public static void WriteTexture(NvGpuVmm vmm, GalImage image, long position, byte[] data)
{
ISwizzle swizzle = TextureHelper.GetSwizzle(image);
ImageDescriptor desc = GetImageDescriptor(image.Format);
(int width, int height, int depth) = GetImageSizeInBlocks(image);
int bytesPerPixel = desc.BytesPerPixel;
int inOffs = 0;
for (int z = 0; z < depth; z++)
{
for (int y = 0; y < height; y++)
{
for (int x = 0; x < width; x++)
{
long offset = (uint)swizzle.GetSwizzleOffset(x, y, z);
vmm.Memory.WriteBytes(position + offset, data, inOffs, bytesPerPixel);
inOffs += bytesPerPixel;
}
}
}
}
public static (int Width, int Height) GetImageSizeInBlocks(GalImage Image)
{
ImageDescriptor Desc = GetImageDescriptor(Image.Format);
return(DivRoundUp(Image.Width, Desc.BlockWidth),
DivRoundUp(Image.Height, Desc.BlockHeight));
}
private void PrepareSendTexture(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
long Size = ImageUtils.GetSize(NewImage);
bool SkipCheck = false;
if (ImageTypes.TryGetValue(Position, out ImageType OldType))
{
if (OldType == ImageType.ColorBuffer || OldType == ImageType.ZetaBuffer)
{
//Avoid data destruction
MemoryRegionModified(Vmm, Position, Size, NvGpuBufferType.Texture);
SkipCheck = true;
}
}
if (SkipCheck || !MemoryRegionModified(Vmm, Position, Size, NvGpuBufferType.Texture))
{
if (TryReuse(Vmm, Position, NewImage))
{
return;
}
}
byte[] Data = ImageUtils.ReadTexture(Vmm, NewImage, Position);
Gpu.Renderer.Texture.Create(Position, Data, NewImage);
}
public static ISwizzle GetSwizzle(GalImage image)
{
int blockWidth = ImageUtils.GetBlockWidth(image.Format);
int blockHeight = ImageUtils.GetBlockHeight(image.Format);
int blockDepth = ImageUtils.GetBlockDepth(image.Format);
int bytesPerPixel = ImageUtils.GetBytesPerPixel(image.Format);
int width = BitUtils.DivRoundUp(image.Width, blockWidth);
int height = BitUtils.DivRoundUp(image.Height, blockHeight);
int depth = BitUtils.DivRoundUp(image.Depth, blockDepth);
if (image.Layout == GalMemoryLayout.BlockLinear)
{
int alignMask = image.TileWidth * (64 / bytesPerPixel) - 1;
width = (width + alignMask) & ~alignMask;
return(new BlockLinearSwizzle(
width,
height,
depth,
image.GobBlockHeight,
image.GobBlockDepth,
bytesPerPixel));
}
else
{
return(new LinearSwizzle(image.Pitch, bytesPerPixel, width, height));
}
}
private void PrepareSendTexture(NvGpuVmm vmm, long position, GalImage newImage)
{
long size = ImageUtils.GetSize(newImage);
bool skipCheck = false;
if (_imageTypes.TryGetValue(position, out ImageType oldType))
{
if (oldType == ImageType.ColorBuffer || oldType == ImageType.ZetaBuffer)
{
//Avoid data destruction
MemoryRegionModified(vmm, position, size, NvGpuBufferType.Texture);
skipCheck = true;
}
}
if (skipCheck || !MemoryRegionModified(vmm, position, size, NvGpuBufferType.Texture))
{
if (TryReuse(vmm, position, newImage))
{
return;
}
}
byte[] data = ImageUtils.ReadTexture(vmm, newImage, position);
_gpu.Renderer.Texture.Create(position, data, newImage);
}
private void SetZeta(NvGpuVmm vmm)
{
long va = MakeInt64From2xInt32(NvGpuEngine3dReg.ZetaAddress);
int zetaFormat = ReadRegister(NvGpuEngine3dReg.ZetaFormat);
int blockDim = ReadRegister(NvGpuEngine3dReg.ZetaBlockDimensions);
int gobBlockHeight = 1 << ((blockDim >> 4) & 7);
GalMemoryLayout layout = (GalMemoryLayout)((blockDim >> 12) & 1); //?
bool zetaEnable = ReadRegisterBool(NvGpuEngine3dReg.ZetaEnable);
if (va == 0 || zetaFormat == 0 || !zetaEnable)
{
_gpu.Renderer.RenderTarget.UnbindZeta();
return;
}
long key = vmm.GetPhysicalAddress(va);
int width = ReadRegister(NvGpuEngine3dReg.ZetaHoriz);
int height = ReadRegister(NvGpuEngine3dReg.ZetaVert);
GalImageFormat format = ImageUtils.ConvertZeta((GalZetaFormat)zetaFormat);
// TODO: Support non 2D?
GalImage image = new GalImage(width, height, 1, 1, 1, gobBlockHeight, 1, layout, format, GalTextureTarget.TwoD);
_gpu.ResourceManager.SendZetaBuffer(vmm, key, image);
}
public void Create(long Key, byte[] Data, GalImage Image)
{
int Handle = GL.GenTexture();
GL.BindTexture(TextureTarget.Texture2D, Handle);
const int Level = 0; //TODO: Support mipmap textures.
const int Border = 0;
TextureCache.AddOrUpdate(Key, new ImageHandler(Handle, Image), (uint)Data.Length);
if (ImageUtils.IsCompressed(Image.Format) && !IsAstc(Image.Format))
{
InternalFormat InternalFmt = OGLEnumConverter.GetCompressedImageFormat(Image.Format);
GL.CompressedTexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Image.Width,
Image.Height,
Border,
Data.Length,
Data);
}
else
{
//TODO: Use KHR_texture_compression_astc_hdr when available
if (IsAstc(Image.Format))
{
int TextureBlockWidth = ImageUtils.GetBlockWidth(Image.Format);
int TextureBlockHeight = ImageUtils.GetBlockHeight(Image.Format);
Data = ASTCDecoder.DecodeToRGBA8888(
Data,
TextureBlockWidth,
TextureBlockHeight, 1,
Image.Width,
Image.Height, 1);
Image.Format = GalImageFormat.RGBA8 | (Image.Format & GalImageFormat.TypeMask);
}
(PixelInternalFormat InternalFmt,
PixelFormat Format,
PixelType Type) = OGLEnumConverter.GetImageFormat(Image.Format);
GL.TexImage2D(
TextureTarget.Texture2D,
Level,
InternalFmt,
Image.Width,
Image.Height,
Border,
Format,
Type,
Data);
}
}
public static (int Width, int Height, int Depth) GetImageSizeInBlocks(GalImage image)
{
ImageDescriptor desc = GetImageDescriptor(image.Format);
return(DivRoundUp(image.Width, desc.BlockWidth),
DivRoundUp(image.Height, desc.BlockHeight),
DivRoundUp(image.Depth, desc.BlockDepth));
}
private void SetFrameBuffer(NvGpuVmm vmm, int fbIndex)
{
ProfileConfig profile = Profiles.GPU.Engine3d.SetFrameBuffer;
profile.SessionItem = fbIndex.ToString();
Profile.Begin(profile);
long va = MakeInt64From2xInt32(NvGpuEngine3dReg.FrameBufferNAddress + fbIndex * 0x10);
int surfFormat = ReadRegister(NvGpuEngine3dReg.FrameBufferNFormat + fbIndex * 0x10);
if (va == 0 || surfFormat == 0)
{
_gpu.Renderer.RenderTarget.UnbindColor(fbIndex);
Profile.End(profile);
return;
}
long key = vmm.GetPhysicalAddress(va);
int width = ReadRegister(NvGpuEngine3dReg.FrameBufferNWidth + fbIndex * 0x10);
int height = ReadRegister(NvGpuEngine3dReg.FrameBufferNHeight + fbIndex * 0x10);
int arrayMode = ReadRegister(NvGpuEngine3dReg.FrameBufferNArrayMode + fbIndex * 0x10);
int layerCount = arrayMode & 0xFFFF;
int layerStride = ReadRegister(NvGpuEngine3dReg.FrameBufferNLayerStride + fbIndex * 0x10);
int baseLayer = ReadRegister(NvGpuEngine3dReg.FrameBufferNBaseLayer + fbIndex * 0x10);
int blockDim = ReadRegister(NvGpuEngine3dReg.FrameBufferNBlockDim + fbIndex * 0x10);
int gobBlockHeight = 1 << ((blockDim >> 4) & 7);
GalMemoryLayout layout = (GalMemoryLayout)((blockDim >> 12) & 1);
float tx = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNTranslateX + fbIndex * 8);
float ty = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNTranslateY + fbIndex * 8);
float sx = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNScaleX + fbIndex * 8);
float sy = ReadRegisterFloat(NvGpuEngine3dReg.ViewportNScaleY + fbIndex * 8);
_viewportX0 = (int)MathF.Max(0, tx - MathF.Abs(sx));
_viewportY0 = (int)MathF.Max(0, ty - MathF.Abs(sy));
_viewportX1 = (int)(tx + MathF.Abs(sx));
_viewportY1 = (int)(ty + MathF.Abs(sy));
GalImageFormat format = ImageUtils.ConvertSurface((GalSurfaceFormat)surfFormat);
GalImage image = new GalImage(width, height, 1, 1, 1, gobBlockHeight, 1, layout, format, GalTextureTarget.TwoD);
_gpu.ResourceManager.SendColorBuffer(vmm, key, fbIndex, image);
_gpu.Renderer.RenderTarget.SetViewport(fbIndex, _viewportX0, _viewportY0, _viewportX1 - _viewportX0, _viewportY1 - _viewportY0);
Profile.End(profile);
}
public static int GetLayerOffset(GalImage image, int mipLevel)
{
if (mipLevel <= 0)
{
mipLevel = 1;
}
return(TextureHelper.GetSwizzle(image).GetMipOffset(mipLevel));
}
public static int GetSize(GalImage Image)
{
ImageDescriptor Desc = GetImageDescriptor(Image.Format);
int Width = DivRoundUp(Image.Width, Desc.BlockWidth);
int Height = DivRoundUp(Image.Height, Desc.BlockHeight);
return(Desc.BytesPerPixel * Width * Height);
}
public void SendTexture(NvGpuVmm Vmm, long Position, GalImage NewImage, int TexIndex = -1)
{
PrepareSendTexture(Vmm, Position, NewImage);
if (TexIndex >= 0)
{
Gpu.Renderer.Texture.Bind(Position, TexIndex, NewImage);
}
ImageTypes[Position] = ImageType.Texture;
}
public void Reinterpret(long key, GalImage newImage)
{
if (!_texture.TryGetImage(key, out GalImage oldImage))
{
return;
}
if (newImage.Format == oldImage.Format &&
newImage.Width == oldImage.Width &&
newImage.Height == oldImage.Height &&
newImage.Depth == oldImage.Depth &&
newImage.LayerCount == oldImage.LayerCount &&
newImage.TextureTarget == oldImage.TextureTarget)
{
return;
}
if (_copyPbo == 0)
{
_copyPbo = GL.GenBuffer();
}
GL.BindBuffer(BufferTarget.PixelPackBuffer, _copyPbo);
// The buffer should be large enough to hold the largest texture.
int bufferSize = Math.Max(ImageUtils.GetSize(oldImage),
ImageUtils.GetSize(newImage));
GL.BufferData(BufferTarget.PixelPackBuffer, bufferSize, IntPtr.Zero, BufferUsageHint.StreamCopy);
if (!_texture.TryGetImageHandler(key, out ImageHandler cachedImage))
{
throw new InvalidOperationException();
}
(_, PixelFormat format, PixelType type) = OglEnumConverter.GetImageFormat(cachedImage.Format);
TextureTarget target = ImageUtils.GetTextureTarget(newImage.TextureTarget);
GL.BindTexture(target, cachedImage.Handle);
GL.GetTexImage(target, 0, format, type, IntPtr.Zero);
GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, _copyPbo);
GL.PixelStore(PixelStoreParameter.UnpackRowLength, oldImage.Width);
_texture.Create(key, ImageUtils.GetSize(newImage), newImage);
GL.PixelStore(PixelStoreParameter.UnpackRowLength, 0);
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, 0);
}
public static byte[] ReadTexture(IMemory memory, GalImage image, long position)
{
MemoryManager cpuMemory;
if (memory is NvGpuVmm vmm)
{
cpuMemory = vmm.Memory;
}
else
{
cpuMemory = (MemoryManager)memory;
}
ISwizzle swizzle = TextureHelper.GetSwizzle(image);
ImageDescriptor desc = GetImageDescriptor(image.Format);
(int width, int height, int depth) = GetImageSizeInBlocks(image);
int bytesPerPixel = desc.BytesPerPixel;
//Note: Each row of the texture needs to be aligned to 4 bytes.
int pitch = (width * bytesPerPixel + 3) & ~3;
int dataLayerSize = height * pitch * depth;
byte[] data = new byte[dataLayerSize * image.LayerCount];
int targetMipLevel = image.MaxMipmapLevel <= 1 ? 1 : image.MaxMipmapLevel - 1;
int layerOffset = GetLayerOffset(image, targetMipLevel);
for (int layer = 0; layer < image.LayerCount; layer++)
{
for (int z = 0; z < depth; z++)
{
for (int y = 0; y < height; y++)
{
int outOffs = (dataLayerSize * layer) + y * pitch + (z * width * height * bytesPerPixel);
for (int x = 0; x < width; x++)
{
long offset = (uint)swizzle.GetSwizzleOffset(x, y, z);
cpuMemory.ReadBytes(position + (layerOffset * layer) + offset, data, outOffs, bytesPerPixel);
outOffs += bytesPerPixel;
}
}
}
}
return(data);
}
private bool TryReuse(NvGpuVmm vmm, long position, GalImage newImage)
{
if (_gpu.Renderer.Texture.TryGetImage(position, out GalImage cachedImage) && cachedImage.TextureTarget == newImage.TextureTarget && cachedImage.SizeMatches(newImage))
{
_gpu.Renderer.RenderTarget.Reinterpret(position, newImage);
return(true);
}
return(false);
}
public void CreateFb(long Key, long Size, GalImage Image)
{
if (!TryGetImage(Key, out ImageHandler CachedImage))
{
CachedImage = new ImageHandler();
TextureCache.AddOrUpdate(Key, CachedImage, Size);
}
CachedImage.EnsureSetup(Image);
}
private bool TryReuse(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
if (Gpu.Renderer.Texture.TryGetImage(Position, out GalImage CachedImage) && CachedImage.SizeMatches(NewImage))
{
Gpu.Renderer.RenderTarget.Reinterpret(Position, NewImage);
return(true);
}
return(false);
}
private (long, GalImage, GalTextureSampler) UploadTexture(NvGpuVmm vmm, int textureHandle)
{
if (textureHandle == 0)
{
// FIXME: Some games like puyo puyo will use handles with the value 0.
// This is a bug, most likely caused by sync issues.
return(0, default(GalImage), default(GalTextureSampler));
}
Profile.Begin(Profiles.GPU.Engine3d.UploadTexture);
bool linkedTsc = ReadRegisterBool(NvGpuEngine3dReg.LinkedTsc);
int ticIndex = (textureHandle >> 0) & 0xfffff;
int tscIndex = linkedTsc ? ticIndex : (textureHandle >> 20) & 0xfff;
long ticPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexHeaderPoolOffset);
long tscPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexSamplerPoolOffset);
ticPosition += ticIndex * 0x20;
tscPosition += tscIndex * 0x20;
GalImage image = TextureFactory.MakeTexture(vmm, ticPosition);
GalTextureSampler sampler = TextureFactory.MakeSampler(_gpu, vmm, tscPosition);
long key = vmm.ReadInt64(ticPosition + 4) & 0xffffffffffff;
if (image.Layout == GalMemoryLayout.BlockLinear)
{
key &= ~0x1ffL;
}
else if (image.Layout == GalMemoryLayout.Pitch)
{
key &= ~0x1fL;
}
key = vmm.GetPhysicalAddress(key);
if (key == -1)
{
Profile.End(Profiles.GPU.Engine3d.UploadTexture);
// FIXME: Shouldn't ignore invalid addresses.
return(0, default(GalImage), default(GalTextureSampler));
}
_gpu.ResourceManager.SendTexture(vmm, key, image);
Profile.End(Profiles.GPU.Engine3d.UploadTexture);
return(key, image, sampler);
}
public static GalImage MakeTexture(NvGpuVmm Vmm, long TicPosition)
{
int[] Tic = ReadWords(Vmm, TicPosition, 8);
GalImageFormat Format = GetImageFormat(Tic);
GalTextureSource XSource = (GalTextureSource)((Tic[0] >> 19) & 7);
GalTextureSource YSource = (GalTextureSource)((Tic[0] >> 22) & 7);
GalTextureSource ZSource = (GalTextureSource)((Tic[0] >> 25) & 7);
GalTextureSource WSource = (GalTextureSource)((Tic[0] >> 28) & 7);
TextureSwizzle Swizzle = (TextureSwizzle)((Tic[2] >> 21) & 7);
GalMemoryLayout Layout;
if (Swizzle == TextureSwizzle.BlockLinear ||
Swizzle == TextureSwizzle.BlockLinearColorKey)
{
Layout = GalMemoryLayout.BlockLinear;
}
else
{
Layout = GalMemoryLayout.Pitch;
}
int BlockHeightLog2 = (Tic[3] >> 3) & 7;
int TileWidthLog2 = (Tic[3] >> 10) & 7;
int BlockHeight = 1 << BlockHeightLog2;
int TileWidth = 1 << TileWidthLog2;
int Width = (Tic[4] & 0xffff) + 1;
int Height = (Tic[5] & 0xffff) + 1;
GalImage Image = new GalImage(
Width,
Height,
TileWidth,
BlockHeight,
Layout,
Format,
XSource,
YSource,
ZSource,
WSource);
if (Layout == GalMemoryLayout.Pitch)
{
Image.Pitch = (Tic[3] & 0xffff) << 5;
}
return(Image);
}
public void SendZetaBuffer(NvGpuVmm vmm, long position, GalImage newImage)
{
long size = (uint)ImageUtils.GetSize(newImage);
_imageTypes[position] = ImageType.ZetaBuffer;
if (!TryReuse(vmm, position, newImage))
{
_gpu.Renderer.Texture.Create(position, (int)size, newImage);
}
_gpu.Renderer.RenderTarget.BindZeta(position);
}
public bool TryGetImage(long Key, out GalImage Image)
{
if (TextureCache.TryGetValue(Key, out ImageHandler CachedImage))
{
Image = CachedImage.Image;
return(true);
}
Image = default(GalImage);
return(false);
}
public bool TryGetImage(long key, out GalImage image)
{
if (_textureCache.TryGetValue(key, out ImageHandler cachedImage))
{
image = cachedImage.Image;
return(true);
}
image = default(GalImage);
return(false);
}
public void SendZetaBuffer(NvGpuVmm Vmm, long Position, GalImage NewImage)
{
long Size = (uint)ImageUtils.GetSize(NewImage);
ImageTypes[Position] = ImageType.ZetaBuffer;
if (!TryReuse(Vmm, Position, NewImage))
{
Gpu.Renderer.Texture.Create(Position, (int)Size, NewImage);
}
Gpu.Renderer.RenderTarget.BindZeta(Position);
}
public void Reinterpret(long Key, GalImage NewImage)
{
if (!Texture.TryGetImage(Key, out GalImage OldImage))
{
return;
}
if (NewImage.Format == OldImage.Format &&
NewImage.Width == OldImage.Width &&
NewImage.Height == OldImage.Height)
{
return;
}
if (CopyPBO == 0)
{
CopyPBO = GL.GenBuffer();
}
GL.BindBuffer(BufferTarget.PixelPackBuffer, CopyPBO);
//The buffer should be large enough to hold the largest texture.
int BufferSize = Math.Max(ImageUtils.GetSize(OldImage),
ImageUtils.GetSize(NewImage));
GL.BufferData(BufferTarget.PixelPackBuffer, BufferSize, IntPtr.Zero, BufferUsageHint.StreamCopy);
if (!Texture.TryGetImageHandler(Key, out ImageHandler CachedImage))
{
throw new InvalidOperationException();
}
(_, PixelFormat Format, PixelType Type) = OGLEnumConverter.GetImageFormat(CachedImage.Format);
GL.BindTexture(TextureTarget.Texture2D, CachedImage.Handle);
GL.GetTexImage(TextureTarget.Texture2D, 0, Format, Type, IntPtr.Zero);
GL.BindBuffer(BufferTarget.PixelPackBuffer, 0);
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, CopyPBO);
GL.PixelStore(PixelStoreParameter.UnpackRowLength, OldImage.Width);
Texture.Create(Key, ImageUtils.GetSize(NewImage), NewImage);
GL.PixelStore(PixelStoreParameter.UnpackRowLength, 0);
GL.BindBuffer(BufferTarget.PixelUnpackBuffer, 0);
}
private (long, GalImage, GalTextureSampler) UploadTexture(NvGpuVmm Vmm, int TextureHandle)
{
if (TextureHandle == 0)
{
//FIXME: Some games like puyo puyo will use handles with the value 0.
//This is a bug, most likely caused by sync issues.
return(0, default(GalImage), default(GalTextureSampler));
}
bool LinkedTsc = ReadRegisterBool(NvGpuEngine3dReg.LinkedTsc);
int TicIndex = (TextureHandle >> 0) & 0xfffff;
int TscIndex = LinkedTsc ? TicIndex : (TextureHandle >> 20) & 0xfff;
long TicPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexHeaderPoolOffset);
long TscPosition = MakeInt64From2xInt32(NvGpuEngine3dReg.TexSamplerPoolOffset);
TicPosition += TicIndex * 0x20;
TscPosition += TscIndex * 0x20;
GalImage Image = TextureFactory.MakeTexture(Vmm, TicPosition);
GalTextureSampler Sampler = TextureFactory.MakeSampler(Gpu, Vmm, TscPosition);
long Key = Vmm.ReadInt64(TicPosition + 4) & 0xffffffffffff;
if (Image.Layout == GalMemoryLayout.BlockLinear)
{
Key &= ~0x1ffL;
}
else if (Image.Layout == GalMemoryLayout.Pitch)
{
Key &= ~0x1fL;
}
Key = Vmm.GetPhysicalAddress(Key);
if (Key == -1)
{
//FIXME: Shouldn't ignore invalid addresses.
return(0, default(GalImage), default(GalTextureSampler));
}
Gpu.ResourceManager.SendTexture(Vmm, Key, Image);
return(Key, Image, Sampler);
}
public bool TryGetCachedTexture(long Key, long DataSize, out GalImage Image)
{
if (TextureCache.TryGetSize(Key, out long Size) && Size == DataSize)
{
if (TextureCache.TryGetValue(Key, out ImageHandler CachedImage))
{
Image = CachedImage.Image;
return(true);
}
}
Image = default(GalImage);
return(false);
}
