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)47 TGenericLinker(EShExecutable e) : TLinker(e, infoSink) {}
link(TCompilerList &,TUniformMap *)48 bool link(TCompilerList&, TUniformMap*) { return true; }
getAttributeBindings(ShBindingTable const **) const49 void getAttributeBindings(ShBindingTable const **) const { }
50 TInfoSink infoSink;
51 };
52
53 //
54 // The internal view of a uniform/float object exchanged with the driver.
55 //
56 class TUniformLinkedMap : public TUniformMap {
57 public:
TUniformLinkedMap()58 TUniformLinkedMap() { }
getLocation(const char *)59 virtual int getLocation(const char*) { return 0; }
60 };
61
ConstructLinker(EShExecutable executable,int)62 TShHandleBase* ConstructLinker(EShExecutable executable, int)
63 {
64 return new TGenericLinker(executable);
65 }
66
DeleteLinker(TShHandleBase * linker)67 void DeleteLinker(TShHandleBase* linker)
68 {
69 delete linker;
70 }
71
ConstructUniformMap()72 TUniformMap* ConstructUniformMap()
73 {
74 return new TUniformLinkedMap();
75 }
76
DeleteUniformMap(TUniformMap * map)77 void DeleteUniformMap(TUniformMap* map)
78 {
79 delete map;
80 }
81
ConstructBindings()82 TShHandleBase* ConstructBindings()
83 {
84 return nullptr;
85 }
86
DeleteBindingList(TShHandleBase * bindingList)87 void DeleteBindingList(TShHandleBase* bindingList)
88 {
89 delete bindingList;
90 }
91