Commit | Line | Data |
---|---|---|
b311480e | 1 | // Created on: 2011-07-13 |
2 | // Created by: Sergey ZERCHANINOV | |
a174a3c5 | 3 | // Copyright (c) 2011-2013 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_AspectText.hxx> |
30f0ad28 | 19 | #include <OpenGl_Context.hxx> |
bf75be98 | 20 | #include <OpenGl_Workspace.hxx> |
30f0ad28 | 21 | #include <OpenGl_ShaderManager.hxx> |
22 | #include <OpenGl_ShaderProgram.hxx> | |
2166f0fa | 23 | |
a174a3c5 | 24 | namespace |
25 | { | |
30f0ad28 | 26 | static const TCollection_AsciiString THE_EMPTY_KEY; |
a3f6f591 | 27 | } |
2166f0fa | 28 | |
a174a3c5 | 29 | // ======================================================================= |
30 | // function : OpenGl_AspectText | |
31 | // purpose : | |
32 | // ======================================================================= | |
33 | OpenGl_AspectText::OpenGl_AspectText() | |
b6472664 | 34 | : myAspect (new Graphic3d_AspectText3d (Quantity_Color (Quantity_NOC_WHITE), "Courier", 1.0, 0.0)) |
2166f0fa | 35 | { |
a174a3c5 | 36 | // |
2166f0fa SK |
37 | } |
38 | ||
b6472664 | 39 | // ======================================================================= |
40 | // function : OpenGl_AspectText | |
41 | // purpose : | |
42 | // ======================================================================= | |
43 | OpenGl_AspectText::OpenGl_AspectText (const Handle(Graphic3d_AspectText3d)& theAspect) | |
44 | { | |
45 | SetAspect (theAspect); | |
46 | } | |
47 | ||
a174a3c5 | 48 | // ======================================================================= |
49 | // function : ~OpenGl_AspectText | |
50 | // purpose : | |
51 | // ======================================================================= | |
52 | OpenGl_AspectText::~OpenGl_AspectText() | |
2166f0fa | 53 | { |
a174a3c5 | 54 | // |
2166f0fa SK |
55 | } |
56 | ||
a174a3c5 | 57 | // ======================================================================= |
fd4a6963 | 58 | // function : SetAspect |
a174a3c5 | 59 | // purpose : |
60 | // ======================================================================= | |
b6472664 | 61 | void OpenGl_AspectText::SetAspect (const Handle(Graphic3d_AspectText3d)& theAspect) |
2166f0fa | 62 | { |
b6472664 | 63 | myAspect = theAspect; |
64 | const TCollection_AsciiString& aShaderKey = myAspect->ShaderProgram().IsNull() ? THE_EMPTY_KEY : myAspect->ShaderProgram()->GetId(); | |
30f0ad28 | 65 | if (aShaderKey.IsEmpty() || myResources.ShaderProgramId != aShaderKey) |
66 | { | |
f85399e5 | 67 | myResources.ResetShaderReadiness(); |
30f0ad28 | 68 | } |
2166f0fa SK |
69 | } |
70 | ||
a174a3c5 | 71 | // ======================================================================= |
72 | // function : Render | |
73 | // purpose : | |
74 | // ======================================================================= | |
5e27df78 | 75 | void OpenGl_AspectText::Render (const Handle(OpenGl_Workspace)& theWorkspace) const |
2166f0fa | 76 | { |
5e27df78 | 77 | theWorkspace->SetAspectText (this); |
78 | } | |
79 | ||
a174a3c5 | 80 | // ======================================================================= |
81 | // function : Release | |
82 | // purpose : | |
83 | // ======================================================================= | |
10b9c7df | 84 | void OpenGl_AspectText::Release (OpenGl_Context* theContext) |
5e27df78 | 85 | { |
392ac980 | 86 | if (!myResources.ShaderProgram.IsNull() |
10b9c7df | 87 | && theContext) |
30f0ad28 | 88 | { |
392ac980 | 89 | theContext->ShaderManager()->Unregister (myResources.ShaderProgramId, |
90 | myResources.ShaderProgram); | |
30f0ad28 | 91 | } |
92 | myResources.ShaderProgramId.Clear(); | |
f85399e5 | 93 | myResources.ResetShaderReadiness(); |
30f0ad28 | 94 | } |
95 | ||
96 | // ======================================================================= | |
97 | // function : BuildShader | |
98 | // purpose : | |
99 | // ======================================================================= | |
8625ef7e | 100 | void OpenGl_AspectText::Resources::BuildShader (const Handle(OpenGl_Context)& theCtx, |
30f0ad28 | 101 | const Handle(Graphic3d_ShaderProgram)& theShader) |
102 | { | |
4e1523ef | 103 | if (theCtx->core20fwd == NULL) |
392ac980 | 104 | { |
30f0ad28 | 105 | return; |
392ac980 | 106 | } |
30f0ad28 | 107 | |
108 | // release old shader program resources | |
109 | if (!ShaderProgram.IsNull()) | |
110 | { | |
8625ef7e | 111 | theCtx->ShaderManager()->Unregister (ShaderProgramId, ShaderProgram); |
f85399e5 | 112 | ShaderProgramId.Clear(); |
113 | ShaderProgram.Nullify(); | |
30f0ad28 | 114 | } |
392ac980 | 115 | if (theShader.IsNull()) |
30f0ad28 | 116 | { |
392ac980 | 117 | return; |
30f0ad28 | 118 | } |
392ac980 | 119 | |
8625ef7e | 120 | theCtx->ShaderManager()->Create (theShader, ShaderProgramId, ShaderProgram); |
2166f0fa | 121 | } |