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1 //
2 // Copyright (C) 2002-2005  3Dlabs Inc. Ltd.
3 // All rights reserved.
4 //
5 // Redistribution and use in source and binary forms, with or without
6 // modification, are permitted provided that the following conditions
7 // are met:
8 //
9 //    Redistributions of source code must retain the above copyright
10 //    notice, this list of conditions and the following disclaimer.
11 //
12 //    Redistributions in binary form must reproduce the above
13 //    copyright notice, this list of conditions and the following
14 //    disclaimer in the documentation and/or other materials provided
15 //    with the distribution.
16 //
17 //    Neither the name of 3Dlabs Inc. Ltd. nor the names of its
18 //    contributors may be used to endorse or promote products derived
19 //    from this software without specific prior written permission.
20 //
21 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
22 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
23 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
24 // FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
25 // COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
26 // INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
27 // BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
28 // LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
29 // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
30 // LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
31 // ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
32 // POSSIBILITY OF SUCH DAMAGE.
33 //
34 
35 //
36 // The top level algorithms for linking multiple
37 // shaders together.
38 //
39 #include "../Include/Common.h"
40 #include "../Include/ShHandle.h"
41 
42 //
43 // Actual link object, derived from the shader handle base classes.
44 //
45 class TGenericLinker : public TLinker {
46 public:
TGenericLinker(EShExecutable e,int dOptions)47     TGenericLinker(EShExecutable e, int dOptions) : TLinker(e, infoSink), debugOptions(dOptions) { }
link(TCompilerList &,TUniformMap *)48     bool link(TCompilerList&, TUniformMap*) { return true; }
getAttributeBindings(ShBindingTable const **) const49     void getAttributeBindings(ShBindingTable const **) const { }
50     TInfoSink infoSink;
51     int debugOptions;
52 };
53 
54 //
55 // The internal view of a uniform/float object exchanged with the driver.
56 //
57 class TUniformLinkedMap : public TUniformMap {
58 public:
TUniformLinkedMap()59     TUniformLinkedMap() { }
getLocation(const char *)60     virtual int getLocation(const char*) { return 0; }
61 };
62 
ConstructLinker(EShExecutable executable,int debugOptions)63 TShHandleBase* ConstructLinker(EShExecutable executable, int debugOptions)
64 {
65     return new TGenericLinker(executable, debugOptions);
66 }
67 
DeleteLinker(TShHandleBase * linker)68 void DeleteLinker(TShHandleBase* linker)
69 {
70     delete linker;
71 }
72 
ConstructUniformMap()73 TUniformMap* ConstructUniformMap()
74 {
75     return new TUniformLinkedMap();
76 }
77 
DeleteUniformMap(TUniformMap * map)78 void DeleteUniformMap(TUniformMap* map)
79 {
80     delete map;
81 }
82 
ConstructBindings()83 TShHandleBase* ConstructBindings()
84 {
85     return 0;
86 }
87 
DeleteBindingList(TShHandleBase * bindingList)88 void DeleteBindingList(TShHandleBase* bindingList)
89 {
90     delete bindingList;
91 }
92