コード例 #1
0
        /// <summary>
        /// Launches Inline-to-Memory engine DMA copy.
        /// </summary>
        /// <param name="state">Current class state</param>
        /// <param name="argument">Method call argument</param>
        public void LaunchDma(ref InlineToMemoryClassState state, int argument)
        {
            _isLinear = (argument & 1) != 0;

            _offset = 0;
            _size   = (int)(BitUtils.AlignUp(state.LineLengthIn, 4) * state.LineCount);

            int count = _size / 4;

            if (_buffer == null || _buffer.Length < count)
            {
                _buffer = new int[count];
            }

            ulong dstGpuVa = ((ulong)state.OffsetOutUpperValue << 32) | state.OffsetOut;

            _dstGpuVa        = dstGpuVa;
            _dstX            = state.SetDstOriginBytesXV;
            _dstY            = state.SetDstOriginSamplesYV;
            _dstWidth        = (int)state.SetDstWidth;
            _dstHeight       = (int)state.SetDstHeight;
            _dstStride       = (int)state.PitchOut;
            _dstGobBlocksInY = 1 << (int)state.SetDstBlockSizeHeight;
            _dstGobBlocksInZ = 1 << (int)state.SetDstBlockSizeDepth;
            _lineLengthIn    = (int)state.LineLengthIn;
            _lineCount       = (int)state.LineCount;

            _finished = false;
        }
コード例 #2
0
        /// <summary>
        /// Launches Inline-to-Memory engine DMA copy.
        /// </summary>
        /// <param name="state">Current class state</param>
        /// <param name="argument">Method call argument</param>
        public void LaunchDma(ref InlineToMemoryClassState state, int argument)
        {
            _isLinear = (argument & 1) != 0;

            _offset = 0;
            _size   = (int)(state.LineLengthIn * state.LineCount);

            int count = BitUtils.DivRoundUp(_size, 4);

            if (_buffer == null || _buffer.Length < count)
            {
                _buffer = new int[count];
            }

            ulong dstGpuVa = ((ulong)state.OffsetOutUpperValue << 32) | state.OffsetOut;

            ulong dstBaseAddress = _channel.MemoryManager.Translate(dstGpuVa);

            // Trigger read tracking, to flush any managed resources in the destination region.
            _channel.MemoryManager.Physical.GetSpan(dstBaseAddress, _size, true);

            _dstGpuVa        = dstGpuVa;
            _dstX            = state.SetDstOriginBytesXV;
            _dstY            = state.SetDstOriginSamplesYV;
            _dstWidth        = (int)state.SetDstWidth;
            _dstHeight       = (int)state.SetDstHeight;
            _dstStride       = (int)state.PitchOut;
            _dstGobBlocksInY = 1 << (int)state.SetDstBlockSizeHeight;
            _lineLengthIn    = (int)state.LineLengthIn;
            _lineCount       = (int)state.LineCount;

            _finished = false;
        }