public int GetOffsetWithLineOffset64(int x) { if (_isLinear) { return(x + _yPart); } else { return(_layoutConverter.GetOffsetWithLineOffset64(x)); } }
public static Span <byte> ConvertBlockLinearToLinear( int width, int height, int depth, int levels, int layers, int blockWidth, int blockHeight, int bytesPerPixel, int gobBlocksInY, int gobBlocksInZ, int gobBlocksInTileX, SizeInfo sizeInfo, ReadOnlySpan <byte> data) { int outSize = GetTextureSize( width, height, depth, levels, layers, blockWidth, blockHeight, bytesPerPixel); Span <byte> output = new byte[outSize]; int outOffs = 0; int mipGobBlocksInY = gobBlocksInY; int mipGobBlocksInZ = gobBlocksInZ; int gobWidth = (GobStride / bytesPerPixel) * gobBlocksInTileX; int gobHeight = gobBlocksInY * GobHeight; for (int level = 0; level < levels; level++) { int w = Math.Max(1, width >> level); int h = Math.Max(1, height >> level); int d = Math.Max(1, depth >> level); w = BitUtils.DivRoundUp(w, blockWidth); h = BitUtils.DivRoundUp(h, blockHeight); while (h <= (mipGobBlocksInY >> 1) * GobHeight && mipGobBlocksInY != 1) { mipGobBlocksInY >>= 1; } while (d <= (mipGobBlocksInZ >> 1) && mipGobBlocksInZ != 1) { mipGobBlocksInZ >>= 1; } int strideTrunc = BitUtils.AlignDown(w * bytesPerPixel, 16); int strideTrunc64 = BitUtils.AlignDown(w * bytesPerPixel, 64); int xStart = strideTrunc / bytesPerPixel; int stride = BitUtils.AlignUp(w * bytesPerPixel, HostStrideAlignment); int outStrideGap = stride - w * bytesPerPixel; int alignment = gobWidth; if (d < gobBlocksInZ || w <= gobWidth || h <= gobHeight) { alignment = GobStride / bytesPerPixel; } int wAligned = BitUtils.AlignUp(w, alignment); BlockLinearLayout layoutConverter = new BlockLinearLayout( wAligned, h, mipGobBlocksInY, mipGobBlocksInZ, bytesPerPixel); unsafe bool Convert <T>(Span <byte> output, ReadOnlySpan <byte> data) where T : unmanaged { fixed(byte *outputPtr = output, dataPtr = data) { byte *outPtr = outputPtr + outOffs; for (int layer = 0; layer < layers; layer++) { byte *inBaseOffset = dataPtr + (layer * sizeInfo.LayerSize + sizeInfo.GetMipOffset(level)); for (int z = 0; z < d; z++) { layoutConverter.SetZ(z); for (int y = 0; y < h; y++) { layoutConverter.SetY(y); for (int x = 0; x < strideTrunc64; x += 64, outPtr += 64) { byte *offset = inBaseOffset + layoutConverter.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> *)outPtr = value; *(Vector128 <byte> *)(outPtr + 16) = value2; *(Vector128 <byte> *)(outPtr + 32) = value3; *(Vector128 <byte> *)(outPtr + 48) = value4; } for (int x = strideTrunc64; x < strideTrunc; x += 16, outPtr += 16) { byte *offset = inBaseOffset + layoutConverter.GetOffsetWithLineOffset16(x); *(Vector128 <byte> *)outPtr = *(Vector128 <byte> *)offset; } for (int x = xStart; x < w; x++, outPtr += bytesPerPixel) { byte *offset = inBaseOffset + layoutConverter.GetOffset(x); *(T *)outPtr = *(T *)offset; } outPtr += outStrideGap; } } } outOffs += stride * h * d * layers; } return(true); } bool _ = bytesPerPixel switch { 1 => Convert <byte>(output, data), 2 => Convert <ushort>(output, data), 4 => Convert <uint>(output, data), 8 => Convert <ulong>(output, data), 12 => Convert <Bpp12Pixel>(output, data), 16 => Convert <Vector128 <byte> >(output, data), _ => throw new NotSupportedException($"Unable to convert ${bytesPerPixel} bpp pixel format.") }; } return(output); }
public static void ConvertLinearToBlockLinear( Span <byte> dst, int width, int height, int stride, int bytesPerPixel, int gobBlocksInY, ReadOnlySpan <byte> data) { int gobHeight = gobBlocksInY * GobHeight; int strideTrunc = BitUtils.AlignDown(width * bytesPerPixel, 16); int strideTrunc64 = BitUtils.AlignDown(width * bytesPerPixel, 64); int xStart = strideTrunc / bytesPerPixel; int inStrideGap = stride - width * bytesPerPixel; int alignment = GobStride / bytesPerPixel; int wAligned = BitUtils.AlignUp(width, alignment); BlockLinearLayout layoutConverter = new BlockLinearLayout(wAligned, height, gobBlocksInY, 1, bytesPerPixel); unsafe bool Convert <T>(Span <byte> output, ReadOnlySpan <byte> data) where T : unmanaged { fixed(byte *outputPtr = output, dataPtr = data) { byte *inPtr = dataPtr; for (int y = 0; y < height; y++) { layoutConverter.SetY(y); for (int x = 0; x < strideTrunc64; x += 64, inPtr += 64) { byte *offset = outputPtr + layoutConverter.GetOffsetWithLineOffset64(x); byte *offset2 = offset + 0x20; byte *offset3 = offset + 0x100; byte *offset4 = offset + 0x120; Vector128 <byte> value = *(Vector128 <byte> *)inPtr; Vector128 <byte> value2 = *(Vector128 <byte> *)(inPtr + 16); Vector128 <byte> value3 = *(Vector128 <byte> *)(inPtr + 32); Vector128 <byte> value4 = *(Vector128 <byte> *)(inPtr + 48); *(Vector128 <byte> *)offset = value; *(Vector128 <byte> *)offset2 = value2; *(Vector128 <byte> *)offset3 = value3; *(Vector128 <byte> *)offset4 = value4; } for (int x = strideTrunc64; x < strideTrunc; x += 16, inPtr += 16) { byte *offset = outputPtr + layoutConverter.GetOffsetWithLineOffset16(x); *(Vector128 <byte> *)offset = *(Vector128 <byte> *)inPtr; } for (int x = xStart; x < width; x++, inPtr += bytesPerPixel) { byte *offset = outputPtr + layoutConverter.GetOffset(x); *(T *)offset = *(T *)inPtr; } inPtr += inStrideGap; } } return(true); } bool _ = bytesPerPixel switch { 1 => Convert <byte>(dst, data), 2 => Convert <ushort>(dst, data), 4 => Convert <uint>(dst, data), 8 => Convert <ulong>(dst, data), 12 => Convert <Bpp12Pixel>(dst, data), 16 => Convert <Vector128 <byte> >(dst, data), _ => throw new NotSupportedException($"Unable to convert ${bytesPerPixel} bpp pixel format.") }; }