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shadowMatrixComputation.h
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#ifndef PXR_IMAGING_HDX_SHADOW_MATRIX_COMPUTATION_H
25#define PXR_IMAGING_HDX_SHADOW_MATRIX_COMPUTATION_H
26
27#include "pxr/pxr.h"
28#include "pxr/imaging/hdx/api.h"
29#include "pxr/imaging/hdx/version.h"
30#include "pxr/imaging/cameraUtil/conformWindow.h"
32
33PXR_NAMESPACE_OPEN_SCOPE
34
36
37// Interface class for computing the shadow matrix
38// for a given viewport.
39class HdxShadowMatrixComputation
40{
41public:
42 // For legacy clients using viewport, will be removed eventually.
43 virtual std::vector<GfMatrix4d> Compute(const GfVec4f &viewport, CameraUtilConformWindowPolicy policy) = 0;
44
45 // For modern clients using camera framing API.
46 virtual std::vector<GfMatrix4d> Compute(const CameraUtilFraming &framing, CameraUtilConformWindowPolicy policy) = 0;
47
48protected:
49 HdxShadowMatrixComputation() = default;
50 virtual ~HdxShadowMatrixComputation() = default;
51
52private:
53 HdxShadowMatrixComputation(const HdxShadowMatrixComputation &) = delete;
54 HdxShadowMatrixComputation &operator =(const HdxShadowMatrixComputation &) = delete;
55};
56
57
58PXR_NAMESPACE_CLOSE_SCOPE
59
60#endif // PXR_IMAGING_HDX_SHADOW_MATRIX_COMPUTATION_H
Framing information.
Definition: framing.h:80
Basic type for a vector of 4 float components.
Definition: vec4f.h:63