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b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
973c2be1 | 3 | // Copyright (c) 2011-2014 OPEN CASCADE SAS |
b311480e | 4 | // |
973c2be1 | 5 | // This file is part of Open CASCADE Technology software library. |
b311480e | 6 | // |
d5f74e42 | 7 | // This library is free software; you can redistribute it and/or modify it under |
8 | // the terms of the GNU Lesser General Public License version 2.1 as published | |
973c2be1 | 9 | // by the Free Software Foundation, with special exception defined in the file |
10 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT | |
11 | // distribution for complete text of the license and disclaimer of any warranty. | |
b311480e | 12 | // |
973c2be1 | 13 | // Alternatively, this file may be used under the terms of Open CASCADE |
14 | // commercial license or contractual agreement. | |
b311480e | 15 | |
30f0ad28 | 16 | #include <Graphic3d_ShaderProgram.hxx> |
17 | ||
2166f0fa | 18 | #include <OpenGl_AspectLine.hxx> |
30f0ad28 | 19 | #include <OpenGl_Context.hxx> |
20 | #include <OpenGl_ShaderManager.hxx> | |
21 | #include <OpenGl_ShaderProgram.hxx> | |
bf75be98 | 22 | #include <OpenGl_Workspace.hxx> |
2166f0fa | 23 | |
30f0ad28 | 24 | namespace |
25 | { | |
30f0ad28 | 26 | static const TCollection_AsciiString THE_EMPTY_KEY; |
a3f6f591 | 27 | } |
2166f0fa | 28 | |
30f0ad28 | 29 | // ======================================================================= |
30 | // function : OpenGl_AspectLine | |
31 | // purpose : | |
32 | // ======================================================================= | |
b6472664 | 33 | OpenGl_AspectLine::OpenGl_AspectLine() |
34 | : myAspect (new Graphic3d_AspectLine3d (Quantity_NOC_WHITE, Aspect_TOL_SOLID, 1.0)) | |
35 | { | |
36 | // | |
37 | } | |
2166f0fa | 38 | |
30f0ad28 | 39 | // ======================================================================= |
40 | // function : OpenGl_AspectLine | |
41 | // purpose : | |
42 | // ======================================================================= | |
b6472664 | 43 | OpenGl_AspectLine::OpenGl_AspectLine (const Handle(Graphic3d_AspectLine3d)& theAspect) |
44 | { | |
45 | SetAspect (theAspect); | |
46 | } | |
2166f0fa | 47 | |
30f0ad28 | 48 | // ======================================================================= |
49 | // function : SetAspect | |
50 | // purpose : | |
51 | // ======================================================================= | |
b6472664 | 52 | void OpenGl_AspectLine::SetAspect (const Handle(Graphic3d_AspectLine3d)& theAspect) |
2166f0fa | 53 | { |
b6472664 | 54 | myAspect = theAspect; |
55 | const TCollection_AsciiString& aShaderKey = myAspect->ShaderProgram().IsNull() ? THE_EMPTY_KEY : myAspect->ShaderProgram()->GetId(); | |
30f0ad28 | 56 | if (aShaderKey.IsEmpty() || myResources.ShaderProgramId != aShaderKey) |
57 | { | |
f85399e5 | 58 | myResources.ResetShaderReadiness(); |
30f0ad28 | 59 | } |
60 | } | |
2166f0fa | 61 | |
30f0ad28 | 62 | // ======================================================================= |
63 | // function : Render | |
64 | // purpose : | |
65 | // ======================================================================= | |
5e27df78 | 66 | void OpenGl_AspectLine::Render (const Handle(OpenGl_Workspace) &theWorkspace) const |
2166f0fa | 67 | { |
5e27df78 | 68 | theWorkspace->SetAspectLine (this); |
2166f0fa SK |
69 | } |
70 | ||
30f0ad28 | 71 | // ======================================================================= |
72 | // function : Release | |
73 | // purpose : | |
74 | // ======================================================================= | |
10b9c7df | 75 | void OpenGl_AspectLine::Release (OpenGl_Context* theContext) |
30f0ad28 | 76 | { |
392ac980 | 77 | if (!myResources.ShaderProgram.IsNull() |
10b9c7df | 78 | && theContext) |
30f0ad28 | 79 | { |
392ac980 | 80 | theContext->ShaderManager()->Unregister (myResources.ShaderProgramId, |
81 | myResources.ShaderProgram); | |
30f0ad28 | 82 | } |
83 | myResources.ShaderProgramId.Clear(); | |
f85399e5 | 84 | myResources.ResetShaderReadiness(); |
30f0ad28 | 85 | } |
86 | ||
87 | // ======================================================================= | |
88 | // function : BuildShader | |
89 | // purpose : | |
90 | // ======================================================================= | |
8625ef7e | 91 | void OpenGl_AspectLine::Resources::BuildShader (const Handle(OpenGl_Context)& theCtx, |
30f0ad28 | 92 | const Handle(Graphic3d_ShaderProgram)& theShader) |
5e27df78 | 93 | { |
4e1523ef | 94 | if (theCtx->core20fwd == NULL) |
392ac980 | 95 | { |
30f0ad28 | 96 | return; |
392ac980 | 97 | } |
30f0ad28 | 98 | |
99 | // release old shader program resources | |
100 | if (!ShaderProgram.IsNull()) | |
101 | { | |
8625ef7e | 102 | theCtx->ShaderManager()->Unregister (ShaderProgramId, ShaderProgram); |
f85399e5 | 103 | ShaderProgramId.Clear(); |
104 | ShaderProgram.Nullify(); | |
30f0ad28 | 105 | } |
392ac980 | 106 | if (theShader.IsNull()) |
30f0ad28 | 107 | { |
392ac980 | 108 | return; |
30f0ad28 | 109 | } |
392ac980 | 110 | |
8625ef7e | 111 | theCtx->ShaderManager()->Create (theShader, ShaderProgramId, ShaderProgram); |
5e27df78 | 112 | } |