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AGP.h
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上传用户：xjjlds
上传日期：2015-12-05
资源大小：22823k
文件大小：5k
源码类别：

多媒体编程

开发平台：

Visual C++

AGP.h：源码内容
  1. /*
  2.      File:       AGP.h
  3.  
  4.      Contains:   API for Accelerated Graphics Port (AGP)
  5.  
  6.      Version:    Technology: 1.0
  7.                  Release:    QuickTime 6.0.2
  8.  
  9.      Copyright:  (c) 1999-2001 by Apple Computer, Inc., all rights reserved.
  10.  
  11.      Bugs?:      For bug reports, consult the following page on
  12.                  the World Wide Web:
  13.  
  14.                      http://developer.apple.com/bugreporter/
  15.  
  16. */
  17. #ifndef __AGP__
  18. #define __AGP__
  20. #ifndef __CONDITIONALMACROS__
  21. #include "ConditionalMacros.h"
  22. #endif
  24. #ifndef __MACTYPES__
  25. #include "MacTypes.h"
  26. #endif
  31. #if PRAGMA_ONCE
  32. #pragma once
  33. #endif
  35. #ifdef __cplusplus
  36. extern "C" {
  37. #endif
  39. #if PRAGMA_IMPORT
  40. #pragma import on
  41. #endif
  43. #if PRAGMA_STRUCT_ALIGN
  44.     #pragma options align=power
  45. #elif PRAGMA_STRUCT_PACKPUSH
  46.     #pragma pack(push, 2)
  47. #elif PRAGMA_STRUCT_PACK
  48.     #pragma pack(2)
  49. #endif
  51. /* AGP related property names*/
  52. #define kAGPMasterProperty "AGP_Master"
  53. #define kAGPTargetProperty "AGP_Target"
  54. #define kAGPAddressRange "AGP_Address_Range"
  55. #define kAGPAddressBlock "AGP_Address_Block"
  56. #define kAGPAlignment "AGP_Alignment"
  57. #define kAGPAllowOverlap "AGP_AllowOverlap"
  58. #define kAGPMajorRevision "AGP_MajorRevision"
  59. #define kAGPMinorRevision "AGP_MinorRevision"
  60. #define kAGPDepth "AGP_Depth"
  61. #define kAGPSBASupport "AGP_SBA_Support"
  62. #define AGPTransferType "AGP_Transfer_Type"
  63. #define kAGPFourGig "AGP_4Gig_Enabled"
  64. #define kAGPFastWrite "AGP_FastWrite_Enabled"
  65. #define kAGPEnabled "AGP_Enabled"
  68. /* AGP Capabilities Register definitions*/
  69. enum {
  70.                                                                 /* AGP Register Offsets*/
  71.     kAGPRevisionOffset          = 0x02,
  72.     kAGPStatusOffset            = 0x04,
  73.     kAGPCommandOffset           = 0x08,                         /* Major/Minor Rev Bits*/
  74.     kAGPMinorRevMask            = 0x0F,
  75.     kAGPMajorRevMask            = 0xF0,
  76.     kAGPMinorRevBit             = 0x00,
  77.     kAGPMajorRevBit             = 0x04,                         /* AGP Status Register definitions*/
  78.     kAGPDataRateMask            = 0x00000003,
  79.     kAGPFastWriteMask           = 0x00000010,
  80.     kAGPFourGigAddrMask         = 0x00000020,
  81.     kAGPSideBandAddrMask        = 0x00000200,
  82.     kAGPRequestDepthMask        = (long)0xFF000000,
  83.     kAGPDataRateBit             = 0x00,
  84.     kAGPFastWriteBit            = 0x04,
  85.     kAGPFourGigAddrBit          = 0x05,
  86.     kAGPSideBandAddrBit         = 0x09,
  87.     kAGPRequestDepthBit         = 0x18,                         /* AGP Command Register definitions*/
  88.     kAGPEnableBit               = 0x08,
  89.     kAGPEnableMask              = 0x00000100
  90. };
  92. /* AGP Speed definitions*/
  93. enum {
  94.     kAGPOneX                    = 1,
  95.     kAGPTwoX                    = 2,
  96.     kAGPFourX                   = 4
  97. };
  99. enum {
  100.     kAGPQueryBaseAddress        = 1,
  101.     kAGPQueryEnabled            = 2,
  102.     kAGPQueryMaxAGPMemory       = 3,
  103.     kAGPQueryFreeAGPMemory      = 4,
  104.     kAGPEnabledStatus           = 1,
  105.     kAGPDisabledStatus          = 0
  106. };
  109. struct AGPAddressPair {
  110.     LogicalAddress                  systemLogicalAddress;
  111.     LogicalAddress                  agpLogicalAddress;
  112.     UInt32                          internalInfo[4];
  113. };
  114. typedef struct AGPAddressPair           AGPAddressPair;
  116. typedef UInt32                          AGPQuery;
  117. #if CALL_NOT_IN_CARBON
  118. EXTERN_API_C( OSStatus )
  119. AGPNewMemory                    (AGPAddressPair *       agpAddressPair,
  120.                                  ByteCount              byteSize,
  121.                                  Boolean                clear);
  123. EXTERN_API_C( OSStatus )
  124. AGPReserveMemory                (AGPAddressPair *       agpAddressPair,
  125.                                  ByteCount              byteSize);
  127. EXTERN_API_C( OSStatus )
  128. AGPDisposeMemory                (AGPAddressPair *       agpAddress);
  130. EXTERN_API_C( OSStatus )
  131. AGPReleaseMemory                (AGPAddressPair *       agpAddress);
  133. EXTERN_API_C( OSStatus )
  134. AGPCommitMemory                 (AGPAddressPair *       agpAddress,
  135.                                  Boolean                agpClientManagesCaches);
  137. EXTERN_API_C( OSStatus )
  138. AGPGetAGPLogicalAddress         (AGPAddressPair *       agpAddressPair);
  140. EXTERN_API_C( OSStatus )
  141. AGPGetSystemLogicalAddress      (AGPAddressPair *       agpAddressPair);
  143. EXTERN_API_C( OSStatus )
  144. AGPGetStatus                    (AGPQuery               query,
  145.                                  void *                 result);
  147. EXTERN_API_C( OSStatus )
  148. AGPDecommitMemory               (AGPAddressPair *       agpAddress);
  150. EXTERN_API_C( OSStatus )
  151. AGPRestoreCacheState            (AGPAddressPair *       agpAddress);
  153. #endif  /* CALL_NOT_IN_CARBON */
  156. #if PRAGMA_STRUCT_ALIGN
  157.     #pragma options align=reset
  158. #elif PRAGMA_STRUCT_PACKPUSH
  159.     #pragma pack(pop)
  160. #elif PRAGMA_STRUCT_PACK
  161.     #pragma pack()
  162. #endif
  164. #ifdef PRAGMA_IMPORT_OFF
  165. #pragma import off
  166. #elif PRAGMA_IMPORT
  167. #pragma import reset
  168. #endif
  170. #ifdef __cplusplus
  171. }
  172. #endif
  174. #endif /* __AGP__ */