Line data Source code
1 :
2 : /* Copyright (c) 2013-2014, Stefan.Eilemann@epfl.ch
3 : *
4 : * This file is part of Lunchbox <https://github.com/Eyescale/Lunchbox>
5 : *
6 : * This library is free software; you can redistribute it and/or modify it under
7 : * the terms of the GNU Lesser General Public License version 2.1 as published
8 : * by the Free Software Foundation.
9 : *
10 : * This library is distributed in the hope that it will be useful, but WITHOUT
11 : * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
12 : * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
13 : * details.
14 : *
15 : * You should have received a copy of the GNU Lesser General Public License
16 : * along with this library; if not, write to the Free Software Foundation, Inc.,
17 : * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18 : */
19 :
20 : #include "decompressor.h"
21 :
22 : #include "compressorResult.h"
23 : #include "plugin.h"
24 : #include "pluginInstance.h"
25 : #include "pluginRegistry.h"
26 :
27 : namespace lunchbox
28 : {
29 : namespace detail
30 : {
31 : class Decompressor : public PluginInstance
32 : {
33 : public:
34 1 : Decompressor() {}
35 :
36 152 : Decompressor( lunchbox::PluginRegistry& registry, const uint32_t name )
37 152 : {
38 152 : setup( registry, name );
39 152 : }
40 :
41 153 : ~Decompressor()
42 153 : {
43 153 : clear();
44 153 : }
45 :
46 305 : void clear()
47 : {
48 305 : if( instance )
49 0 : plugin->deleteDecompressor( instance );
50 305 : PluginInstance::clear();
51 305 : }
52 :
53 152 : bool setup( lunchbox::PluginRegistry& registry, const uint32_t name )
54 : {
55 152 : if( plugin && info.name == name )
56 0 : return true;
57 :
58 152 : clear();
59 :
60 152 : if( name <= EQ_COMPRESSOR_NONE )
61 0 : return true;
62 :
63 152 : plugin = registry.findPlugin( name );
64 152 : LBASSERTINFO( plugin,
65 : "Can't find plugin for decompressor " << name );
66 152 : if( !plugin )
67 0 : return false;
68 :
69 152 : instance = plugin->newDecompressor( name );
70 152 : info = plugin->findInfo( name );
71 152 : LBASSERT( info.name == name );
72 :
73 152 : LBLOG( LOG_PLUGIN ) << "Instantiated " << (instance ? "" : "empty ")
74 0 : << "decompressor of type 0x" << std::hex << name
75 152 : << std::dec << std::endl;
76 152 : return true;
77 : }
78 : };
79 : }
80 :
81 1 : Decompressor::Decompressor()
82 1 : : impl_( new detail::Decompressor )
83 : {
84 1 : LB_TS_THREAD( _thread );
85 1 : }
86 :
87 152 : Decompressor::Decompressor( PluginRegistry& registry, const uint32_t name )
88 152 : : impl_( new detail::Decompressor( registry, name ))
89 : {
90 152 : LB_TS_THREAD( _thread );
91 152 : }
92 :
93 306 : Decompressor::~Decompressor()
94 : {
95 153 : delete impl_;
96 153 : }
97 :
98 306 : bool Decompressor::isGood() const
99 : {
100 306 : LB_TS_SCOPED( _thread );
101 306 : return impl_->isGood();
102 : }
103 :
104 0 : bool Decompressor::uses( const uint32_t name ) const
105 : {
106 0 : return isGood() && impl_->info.name == name;
107 : }
108 :
109 0 : bool Decompressor::setup( PluginRegistry& from, const uint32_t name )
110 : {
111 0 : return impl_->setup( from, name );
112 : }
113 :
114 0 : void Decompressor::clear()
115 : {
116 0 : impl_->clear();
117 0 : }
118 :
119 0 : const EqCompressorInfo& Decompressor::getInfo() const
120 : {
121 0 : return impl_->info;
122 : }
123 :
124 0 : bool Decompressor::decompress( const CompressorResult& input, void* const out,
125 : uint64_t pvpOut[4], const uint64_t flags )
126 : {
127 0 : LBASSERT( uses( input.compressor ));
128 0 : LBASSERT( !input.chunks.empty( ));
129 :
130 0 : if( !uses( input.compressor ) || input.chunks.empty( ))
131 0 : return false;
132 :
133 0 : const size_t num = input.chunks.size();
134 0 : const void** in = static_cast< const void** >( alloca( num *
135 0 : sizeof( void* )));
136 0 : uint64_t* inSizes = static_cast< uint64_t* >( alloca( num *
137 0 : sizeof( uint64_t )));
138 0 : for( size_t i = 0; i < num; ++i )
139 : {
140 0 : in[i] = input.chunks[i].data;
141 0 : inSizes[i] = input.chunks[i].getNumBytes();
142 : }
143 :
144 : impl_->plugin->decompress( impl_->instance, impl_->info.name, in, inSizes,
145 0 : num, out, pvpOut, flags );
146 0 : return true;
147 : }
148 :
149 :
150 0 : void Decompressor::decompress( const void* const* in,
151 : const uint64_t* const inSizes,
152 : const unsigned numInputs, void* const out,
153 : uint64_t pvpOut[4], const uint64_t flags )
154 : {
155 : impl_->plugin->decompress( impl_->instance, impl_->info.name, in, inSizes,
156 0 : numInputs, out, pvpOut, flags );
157 0 : }
158 :
159 304 : void Decompressor::decompress( const void* const* in,
160 : const uint64_t* const inSizes,
161 : const unsigned numInputs, void* const out,
162 : uint64_t outDim[2] )
163 : {
164 : impl_->plugin->decompress( impl_->instance, impl_->info.name, in, inSizes,
165 304 : numInputs, out, outDim, EQ_COMPRESSOR_DATA_1D );
166 304 : }
167 87 : }
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