1 //
2 // Copyright 2016 Pixar
3 //
4 // Licensed under the Apache License, Version 2.0 (the "Apache License")
5 // with the following modification; you may not use this file except in
6 // compliance with the Apache License and the following modification to it:
7 // Section 6. Trademarks. is deleted and replaced with:
8 //
9 // 6. Trademarks. This License does not grant permission to use the trade
10 // names, trademarks, service marks, or product names of the Licensor
11 // and its affiliates, except as required to comply with Section 4(c) of
12 // the License and to reproduce the content of the NOTICE file.
13 //
14 // You may obtain a copy of the Apache License at
15 //
16 // http://www.apache.org/licenses/LICENSE-2.0
17 //
18 // Unless required by applicable law or agreed to in writing, software
19 // distributed under the Apache License with the above modification is
20 // distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
21 // KIND, either express or implied. See the Apache License for the specific
22 // language governing permissions and limitations under the Apache License.
23 //
24 #include "pxr/imaging/hdSt/fallbackLightingShader.h"
25 #include "pxr/imaging/hdSt/package.h"
26
27 #include "pxr/imaging/hd/binding.h"
28 #include "pxr/imaging/hd/perfLog.h"
29 #include "pxr/imaging/hd/tokens.h"
30
31 #include "pxr/imaging/hf/perfLog.h"
32
33 #include "pxr/imaging/hio/glslfx.h"
34
35 #include <boost/functional/hash.hpp>
36
37 #include <string>
38
39 PXR_NAMESPACE_OPEN_SCOPE
40
41
HdSt_FallbackLightingShader()42 HdSt_FallbackLightingShader::HdSt_FallbackLightingShader()
43 {
44 _glslfx.reset(new HioGlslfx(HdStPackageFallbackLightingShader()));
45 }
46
~HdSt_FallbackLightingShader()47 HdSt_FallbackLightingShader::~HdSt_FallbackLightingShader()
48 {
49 // nothing
50 }
51
52 /* virtual */
53 HdSt_FallbackLightingShader::ID
ComputeHash() const54 HdSt_FallbackLightingShader::ComputeHash() const
55 {
56 TfToken glslfxFile = HdStPackageFallbackLightingShader();
57
58 size_t hash = glslfxFile.Hash();
59
60 return (ID)hash;
61 }
62
63 /* virtual */
64 std::string
GetSource(TfToken const & shaderStageKey) const65 HdSt_FallbackLightingShader::GetSource(TfToken const &shaderStageKey) const
66 {
67 HD_TRACE_FUNCTION();
68 HF_MALLOC_TAG_FUNCTION();
69
70 return _glslfx->GetSource(shaderStageKey);
71 }
72
73 /* virtual */
74 void
SetCamera(GfMatrix4d const & worldToViewMatrix,GfMatrix4d const & projectionMatrix)75 HdSt_FallbackLightingShader::SetCamera(GfMatrix4d const &worldToViewMatrix,
76 GfMatrix4d const &projectionMatrix)
77 {
78 // nothing
79 }
80
81 void
BindResources(const int program,HdSt_ResourceBinder const & binder,HdRenderPassState const & state)82 HdSt_FallbackLightingShader::BindResources(const int program,
83 HdSt_ResourceBinder const &binder,
84 HdRenderPassState const &state)
85 {
86 // nothing
87 }
88
89 void
UnbindResources(const int program,HdSt_ResourceBinder const & binder,HdRenderPassState const & state)90 HdSt_FallbackLightingShader::UnbindResources(const int program,
91 HdSt_ResourceBinder const &binder,
92 HdRenderPassState const &state)
93 {
94 // nothing
95 }
96
97 /*virtual*/
98 void
AddBindings(HdBindingRequestVector * customBindings)99 HdSt_FallbackLightingShader::AddBindings(HdBindingRequestVector *customBindings)
100 {
101 // no-op
102 }
103
104 PXR_NAMESPACE_CLOSE_SCOPE
105
106