コード例 #1
0
        /// <summary>
        /// Initialize the <see cref="MemoryPoolState"/> for system use.
        /// </summary>
        /// <param name="memoryPool">The <see cref="MemoryPoolState"/> for system use.</param>
        /// <param name="cpuAddress">The <see cref="CpuAddress"/> to assign.</param>
        /// <param name="size">The size to assign.</param>
        /// <returns>Returns true if mapping on the <see cref="Dsp.AudioProcessor"/> succeeded.</returns>
        public bool InitializeSystemPool(ref MemoryPoolState memoryPool, CpuAddress cpuAddress, ulong size)
        {
            if (memoryPool.Location != MemoryPoolState.LocationType.Dsp)
            {
                return(false);
            }

            return(InitializePool(ref memoryPool, cpuAddress, size));
        }
コード例 #2
0
        /// <summary>
        /// Update a <see cref="MemoryPoolState"/> using user parameters.
        /// </summary>
        /// <param name="memoryPool">The <see cref="MemoryPoolState"/> to update.</param>
        /// <param name="inParameter">Input user parameter.</param>
        /// <param name="outStatus">Output user parameter.</param>
        /// <returns>Returns the <see cref="UpdateResult"/> of the operations performed.</returns>
        public UpdateResult Update(ref MemoryPoolState memoryPool, ref MemoryPoolInParameter inParameter, ref MemoryPoolOutStatus outStatus)
        {
            MemoryPoolUserState inputState = inParameter.State;

            MemoryPoolUserState outputState;

            const uint pageSize = 0x1000;

            if (inputState != MemoryPoolUserState.RequestAttach && inputState != MemoryPoolUserState.RequestDetach)
            {
                return(UpdateResult.Success);
            }

            if (inParameter.CpuAddress == 0 || (inParameter.CpuAddress & (pageSize - 1)) != 0)
            {
                return(UpdateResult.InvalidParameter);
            }

            if (inParameter.Size == 0 || (inParameter.Size & (pageSize - 1)) != 0)
            {
                return(UpdateResult.InvalidParameter);
            }

            if (inputState == MemoryPoolUserState.RequestAttach)
            {
                bool initializeSuccess = InitializePool(ref memoryPool, inParameter.CpuAddress, inParameter.Size);

                if (!initializeSuccess)
                {
                    memoryPool.SetCpuAddress(0, 0);

                    Logger.Error?.Print(LogClass.AudioRenderer, $"Map of memory pool (address: 0x{inParameter.CpuAddress:x}, size 0x{inParameter.Size:x}) failed!");
                    return(UpdateResult.MapError);
                }

                outputState = MemoryPoolUserState.Attached;
            }
            else
            {
                if (memoryPool.CpuAddress != inParameter.CpuAddress || memoryPool.Size != inParameter.Size)
                {
                    return(UpdateResult.InvalidParameter);
                }

                if (!Unmap(ref memoryPool))
                {
                    Logger.Error?.Print(LogClass.AudioRenderer, $"Unmap of memory pool (address: 0x{memoryPool.CpuAddress:x}, size 0x{memoryPool.Size:x}) failed!");
                    return(UpdateResult.UnmapError);
                }

                outputState = MemoryPoolUserState.Detached;
            }

            outStatus.State = outputState;

            return(UpdateResult.Success);
        }
コード例 #3
0
        /// <summary>
        /// Map the <see cref="MemoryPoolState"/> on the <see cref="Dsp.AudioProcessor"/>.
        /// </summary>
        /// <param name="memoryPool">The <see cref="MemoryPoolState"/> to map.</param>
        /// <returns>Returns the DSP address mapped.</returns>
        public DspAddress Map(ref MemoryPoolState memoryPool)
        {
            DspAddress result = AudioProcessorMemoryManager.Map(GetProcessHandle(ref memoryPool), memoryPool.CpuAddress, memoryPool.Size);

            if (result != 0)
            {
                memoryPool.DspAddress = result;
            }

            return(result);
        }
コード例 #4
0
        /// <summary>
        /// Get the process handle associated to the <see cref="MemoryPoolState"/>.
        /// </summary>
        /// <param name="memoryPool">The <see cref="MemoryPoolState"/>.</param>
        /// <returns>Returns the process handle associated to the <see cref="MemoryPoolState"/>.</returns>
        public uint GetProcessHandle(ref MemoryPoolState memoryPool)
        {
            if (memoryPool.Location == MemoryPoolState.LocationType.Cpu)
            {
                return(CurrentProcessPseudoHandle);
            }
            else if (memoryPool.Location == MemoryPoolState.LocationType.Dsp)
            {
                return(_processHandle);
            }

            return(0);
        }
コード例 #5
0
        /// <summary>
        /// Unmap the <see cref="MemoryPoolState"/> from the <see cref="Dsp.AudioProcessor"/>.
        /// </summary>
        /// <param name="memoryPool">The <see cref="MemoryPoolState"/> to unmap.</param>
        /// <returns>Returns true if unmapped.</returns>
        public bool Unmap(ref MemoryPoolState memoryPool)
        {
            if (memoryPool.IsUsed)
            {
                return(false);
            }

            AudioProcessorMemoryManager.Unmap(GetProcessHandle(ref memoryPool), memoryPool.CpuAddress, memoryPool.Size);

            memoryPool.SetCpuAddress(0, 0);
            memoryPool.DspAddress = 0;

            return(true);
        }
コード例 #6
0
        /// <summary>
        /// Initialize the <see cref="MemoryPoolState"/>.
        /// </summary>
        /// <param name="memoryPool">The <see cref="MemoryPoolState"/>.</param>
        /// <param name="cpuAddress">The <see cref="CpuAddress"/> to assign.</param>
        /// <param name="size">The size to assign.</param>
        /// <returns>Returns true if mapping on the <see cref="Dsp.AudioProcessor"/> succeeded.</returns>
        public bool InitializePool(ref MemoryPoolState memoryPool, CpuAddress cpuAddress, ulong size)
        {
            memoryPool.SetCpuAddress(cpuAddress, size);

            return(Map(ref memoryPool) != 0);
        }