XIL Device Porting and Extensibility Guide
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............................Contents


Preface
xiii

1. Overview
1
...Introduction to the XIL Imaging Library 1
...Solaris Graphics Architecture 1
...Division of Function in the XIL Library 2
...XIL API Layer 3
......XIL Base Classes 5
..........The XilDebugObject Class 5
..........The XilGlobalState Class 5
..........The XilSystemState Class 6
..........The XilObject Class 9
..........The XilDeviceType Class 10
..........The XilDevice Class 11
......XIL API Level Classes 12
..........The XilImageType Class 13
..........The XilImage Class 14
..........The XilKernel Class 22
..........The XilRoi Class 22
..........The XilLookup Class 28
..........The XilCis Class 31
..........The XilError Class 34
..........The XilHistogram Class 37
..........The XilColorspace Class 37
..........The XilSel Class 39
..........The XilDitherMask Class 40
..........The XilAttribute Class 41
..........The XilInterpolationTable Class 42
...XIL Core Layer 43
......Deferred Execution 43
..........The XIL Library Method 44
..........Graph Evaluation and Molecules 45
..........Some Considerations 45
..........Unusual Effects of Deferred Execution 48
......Core Layer Classes 49
..........The XilOp Class 49
..........The XilOpTreeNode Class 53
...XIL GPI Layer 54
......I/O Devices 55
......Compute Devices 55
......Storage Devices 56
......Compression Devices 56

2. More on Writing Device Handlers
57
...How XIL Device Handlers Work 57
...The Development Environment 60
...Installing XIL Device Handlers 62
...Error Reporting for XIL Device Handlers 62
...What Kinds of Ports Are Possible in the XIL Library? 63
...What Kinds of Ports Are Not Possible in the XIL Library? 64
...Version Control for XIL Handlers 65

3. I/O Devices
67
...About I/O Devices 67
......XilDeviceInputOutputType Class 68
......Handling Multiple Devices in an I/O Handler 69
......XilDeviceInputOutput Class 70
..........Device Attribute Functions 72
..........Parent Function 73
..........Image Type Functions 73
..........Read- and Write-Only Functions 74
..........Op Number Functions 74
...Adding an I/O Device 75
...Sample I/O Handler 75
......XilDeviceInputOutputTypeCG6.h 77
......XilDeviceInputOutputTypeCG6.cc 79
......XilDeviceInputOutputCG6.h 85
......XilDeviceInputOutputCG6.cc 88
...Sample I/O Device Handler 106

4. Compute Devices
121
...About Compute Devices 121
...Implementing an XIL Function 122
...Adding a Compute Device 124
...Loading Compute Handlers 129
...Adding a New Molecule 130
...Manipulating Molecules 132
...Molecules and I/O Devices 133
...Sample Compute Device Handler 134
......XilDeviceComputeTypeBandMemory.h 135
......XilDeviceComputeTypeBandMemory.cc 136
......Add8BandMemory.cc 137
......band_memory_utils.cc 143

5. Storage Devices
147
...About Storage Devices 147
...XilDeviceStorageType Class 148
...XilDeviceStorage Class 150
...Adding a Storage Device 153
...Sample Storage Device Handler 154
......XilBandMemoryDefines.h 155
......XilDeviceStorageTypeBandMemory.cc 156

6. Compression/Decompression
173
...Implementation of Compression 173
......XilDeviceCompressionType Class 175
......XilDeviceCompression Class 177
..........Base Class Implementations 180
..........Sufficient Default Implementation 181
.......... No Action for the Default Implementation 182
..........Determine the CIS Read Position 183
..........Adjust the Start of a CIS 184
..........Compression Types with Ordinal Numbering 184
..........Error Reporting 185
..........Error Recovery 185
..........Functions That Must Be Implemented 186
...The CIS Buffer Manager 189
......XilCisBuffer Class 189
......XilCisBufferManager Class 192
..........Attributes of a Frame 194
..........The Constructor and Associated Functions 195
..........Reset the Codec 196
..........Set/Get Maximum Frame Size and Number of Frames per
..........Buffer 196
..........Method One of Adding Data to a CIS Bitstream 196
..........Method Two of Adding Data to a CIS Bitstream 197
..........Guarantee a Complete Frame for the Codec to
..........Decompress 198
..........After a Frame is Decompressed 198
..........An Alternative to Compressing into a CIS 199
..........Return a Pointer to Data 200
..........Return Data and Frame Information about the CIS 200
..........Determine if a Complete Frame Exists 201
..........Over-read Bytes 203
..........Seek a Specific Frame within the CIS 203
..........Adjust Start Frame within Buffer Lists 206
..........Device Compression with Out-of-Order Frames 206
..........Error Handling and Recovery 208
...Adding a New Compression Method 209
...Adding Compression Hardware 211
...Sample Compressor 214
......XilDeviceCompressionTypeIdentity.h 215
......XilDeviceCompressionTypeIdentity.cc 217
......XilDeviceCompressionIdentity.h 220
......XilDeviceCompressionIdentity.cc 223
......XilDeviceComputeTypeIdentityMemory.h 232
......XilDeviceComputeTypeIdentityMemory.cc 233
......compress_Identity.cc 235
......decompress_Identity.cc 239

A. Sample Molecule
243

B. XIL Atomic Functions
249

C. XilOp Object
261