From 05c1bfc9765d60f3b82fdeb8eb78b9f5d62a5267 Mon Sep 17 00:00:00 2001 From: the_fiddler Date: Sun, 6 Apr 2008 15:35:34 +0000 Subject: [PATCH] --- Source/OpenTK/Audio/OpenAL/AL/XRam.cs | 185 -------------------------- 1 file changed, 185 deletions(-) delete mode 100644 Source/OpenTK/Audio/OpenAL/AL/XRam.cs diff --git a/Source/OpenTK/Audio/OpenAL/AL/XRam.cs b/Source/OpenTK/Audio/OpenAL/AL/XRam.cs deleted file mode 100644 index 6d43f18c..00000000 --- a/Source/OpenTK/Audio/OpenAL/AL/XRam.cs +++ /dev/null @@ -1,185 +0,0 @@ -#region --- OpenTK.OpenAL License --- -/* XRamExtension.cs - * C header: \OpenAL 1.1 SDK\include\xram.h - * Spec: ? - * Copyright (c) 2008 Christoph Brandtner and Stefanos Apostolopoulos - * See license.txt for license details (MIT) - * http://www.OpenTK.net */ -#endregion - -using System; -using System.Diagnostics; -using System.Runtime.InteropServices; - -namespace OpenTK.Audio -{ - - ///The X-Ram Extension is provided on the top-end Sound Blaster X-Fi solutions (Sound Blaster X-Fi Fatal1ty, Sound Blaster X-Fi Elite Pro, or later). These products feature 64MB of X-Ram that can only be used for audio purposes, which can be controlled by this Extension. - [CLSCompliant( true )] - public sealed class XRamExtension - { - #region Instance state - - private bool _valid = false; - - /// Returns True if the X-Ram Extension has been found and could be initialized. - public bool IsInitialized - { - get { return _valid; } - } - - #endregion Instance state - - #region X-RAM Function pointer definitions - - // [CLSCompliant(false)] - private delegate bool Delegate_SetBufferMode( int n, ref uint buffers, int value ); - //typedef ALboolean (__cdecl *EAXSetBufferMode)(ALsizei n, ALuint *buffers, ALint value); - - // [CLSCompliant( false )] - private delegate int Delegate_GetBufferMode( uint buffer, IntPtr value ); - //typedef ALenum (__cdecl *EAXGetBufferMode)(ALuint buffer, ALint *value); - - //[CLSCompliant(false)] - private Delegate_SetBufferMode Imported_SetBufferMode; - //[CLSCompliant(false)] - private Delegate_GetBufferMode Imported_GetBufferMode; - - #endregion X-RAM Function pointer definitions - - #region X-RAM Tokens - - private int AL_EAX_RAM_SIZE, AL_EAX_RAM_FREE, - AL_STORAGE_AUTOMATIC, AL_STORAGE_HARDWARE, AL_STORAGE_ACCESSIBLE; - - #endregion X-RAM Tokens - - #region Constructor / Extension Loading - - public XRamExtension( ) - { // Query if Extension supported and retrieve Tokens/Pointers if it is. - _valid = false; - if ( AL.IsExtensionPresent( "EAX-RAM" ) == false ) - return; - - AL_EAX_RAM_SIZE = AL.GetEnumValue( "AL_EAX_RAM_SIZE" ); - AL_EAX_RAM_FREE = AL.GetEnumValue( "AL_EAX_RAM_FREE" ); - AL_STORAGE_AUTOMATIC = AL.GetEnumValue( "AL_STORAGE_AUTOMATIC" ); - AL_STORAGE_HARDWARE = AL.GetEnumValue( "AL_STORAGE_HARDWARE" ); - AL_STORAGE_ACCESSIBLE = AL.GetEnumValue( "AL_STORAGE_ACCESSIBLE" ); - - // Console.WriteLine("RamSize: {0} RamFree: {1} StorageAuto: {2} StorageHW: {3} StorageAccess: {4}",AL_EAX_RAM_SIZE,AL_EAX_RAM_FREE,AL_STORAGE_AUTOMATIC,AL_STORAGE_HARDWARE,AL_STORAGE_ACCESSIBLE); - - if ( AL_EAX_RAM_SIZE == 0 || - AL_EAX_RAM_FREE == 0 || - AL_STORAGE_AUTOMATIC == 0 || - AL_STORAGE_HARDWARE == 0 || - AL_STORAGE_ACCESSIBLE == 0 ) - { - Trace.WriteLine( "X-Ram: Token values could not be retrieved." ); - return; - } - - // Console.WriteLine("Free Ram: {0} / {1}",GetRamFree( ),GetRamSize( )); - - try - { - Imported_GetBufferMode = (Delegate_GetBufferMode) Marshal.GetDelegateForFunctionPointer( AL.GetProcAddress( "EAXGetBufferMode" ), typeof( Delegate_GetBufferMode ) ); - Imported_SetBufferMode = (Delegate_SetBufferMode) Marshal.GetDelegateForFunctionPointer( AL.GetProcAddress( "EAXSetBufferMode" ), typeof( Delegate_SetBufferMode ) ); - } catch ( Exception e ) - { - Trace.WriteLine( "X-Ram: Attempt to marshal function pointers with AL.GetProcAddress failed. " + e.ToString( ) ); - return; - } - - _valid = true; - } - - #endregion Constructor / Extension Loading - - #region Public Methods - - /// Query total amount of X-RAM in bytes. - public int GetRamSize( ) - { - return AL.Get( (ALGetInteger) AL_EAX_RAM_SIZE ); - } - - /// Query free X-RAM available in bytes. - public int GetRamFree( ) - { - return AL.Get( (ALGetInteger) AL_EAX_RAM_FREE ); - } - - /// This enum is used to abstract the need of using AL.GetEnumValue() with the Extension. The values do NOT correspond to AL_STORAGE_* tokens! - public enum XRamStorage : byte - { - /// Put an Open AL Buffer into X-RAM if memory is available, otherwise use host RAM. This is the default mode. - Automatic = 0, - /// Force an Open AL Buffer into X-RAM, good for non-streaming buffers. - Hardware = 1, - /// Force an Open AL Buffer into 'accessible' (currently host) RAM, good for streaming buffers. - Accessible = 2, - } - - /// This function is used to set the storage Mode of an array of OpenAL Buffers. - /// The number of OpenAL Buffers pointed to by buffer. - /// An array of OpenAL Buffer handles. - /// The storage mode that should be used for all the given buffers. Should be the value of one of the following enum names: XRamStorage.Automatic, XRamStorage.Hardware, XRamStorage.Accessible - /// True if all the Buffers were successfully set to the requested storage mode, False otherwise. - [CLSCompliant( false )] - public bool SetBufferMode( int n, ref uint buffer, XRamStorage mode ) - { - switch ( mode ) - { - case XRamStorage.Accessible: - return Imported_SetBufferMode( n, ref buffer, AL_STORAGE_ACCESSIBLE ); - case XRamStorage.Hardware: - return Imported_SetBufferMode( n, ref buffer, AL_STORAGE_HARDWARE ); - default: - return Imported_SetBufferMode( n, ref buffer, AL_STORAGE_AUTOMATIC ); - } - } - - /// This function is used to set the storage Mode of an array of OpenAL Buffers. - /// The number of OpenAL Buffers pointed to by buffer. - /// An array of OpenAL Buffer handles. - /// The storage mode that should be used for all the given buffers. Should be the value of one of the following enum names: XRamStorage.Automatic, XRamStorage.Hardware, XRamStorage.Accessible - /// True if all the Buffers were successfully set to the requested storage mode, False otherwise. - [CLSCompliant( true )] - public bool SetBufferMode( int n, ref int buffer, XRamStorage mode ) - { - uint temp = (uint) buffer; - return SetBufferMode( n, ref temp, mode ); - } - - /// This function is used to retrieve the storage Mode of a single OpenAL Buffer. - /// The handle of an OpenAL Buffer. - /// The current Mode of the Buffer. - [CLSCompliant( false )] - public XRamStorage GetBufferMode( ref uint buffer ) - { - int tempresult = Imported_GetBufferMode( buffer, IntPtr.Zero ); // IntPtr.Zero due to the parameter being unused/reserved atm - - if ( tempresult == AL_STORAGE_ACCESSIBLE ) - return XRamStorage.Accessible; - if ( tempresult == AL_STORAGE_HARDWARE ) - return XRamStorage.Hardware; - // default: - return XRamStorage.Automatic; - } - - /// This function is used to retrieve the storage Mode of a single OpenAL Buffer. - /// The handle of an OpenAL Buffer. - /// The current Mode of the Buffer. - [CLSCompliant( true )] - public XRamStorage GetBufferMode( ref int buffer ) - { - uint temp = (uint) buffer; - return GetBufferMode( ref temp ); - } - - #endregion Public Methods - } - -}