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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 | { | |
26 | static const TEL_COLOUR myDefaultColor = {{ 1.0F, 1.0F, 1.0F, 1.0F }}; | |
27 | static const TCollection_AsciiString THE_EMPTY_KEY; | |
a3f6f591 | 28 | } |
2166f0fa | 29 | |
30f0ad28 | 30 | // ======================================================================= |
31 | // function : OpenGl_AspectLine | |
32 | // purpose : | |
33 | // ======================================================================= | |
2166f0fa SK |
34 | OpenGl_AspectLine::OpenGl_AspectLine () |
35 | : myColor(myDefaultColor), | |
36 | myType(Aspect_TOL_SOLID), | |
37 | myWidth(1.0F) | |
38 | {} | |
39 | ||
30f0ad28 | 40 | // ======================================================================= |
41 | // function : OpenGl_AspectLine | |
42 | // purpose : | |
43 | // ======================================================================= | |
2166f0fa SK |
44 | OpenGl_AspectLine::OpenGl_AspectLine (const OpenGl_AspectLine &AnOther) |
45 | : myColor(AnOther.myColor), | |
46 | myType(AnOther.myType), | |
47 | myWidth(AnOther.myWidth) | |
48 | {} | |
49 | ||
30f0ad28 | 50 | // ======================================================================= |
51 | // function : SetAspect | |
52 | // purpose : | |
53 | // ======================================================================= | |
fd4a6963 | 54 | void OpenGl_AspectLine::SetAspect (const CALL_DEF_CONTEXTLINE &theAspect) |
2166f0fa | 55 | { |
fd4a6963 | 56 | myColor.rgb[0] = (float) theAspect.Color.r; |
57 | myColor.rgb[1] = (float) theAspect.Color.g; | |
58 | myColor.rgb[2] = (float) theAspect.Color.b; | |
2166f0fa | 59 | myColor.rgb[3] = 1.0f; |
fd4a6963 | 60 | myType = (Aspect_TypeOfLine) theAspect.LineType; |
61 | myWidth = (float) theAspect.Width; | |
2166f0fa | 62 | |
30f0ad28 | 63 | // update resource bindings |
64 | myShaderProgram = theAspect.ShaderProgram; | |
65 | ||
66 | const TCollection_AsciiString& aShaderKey = myShaderProgram.IsNull() ? THE_EMPTY_KEY : myShaderProgram->GetId(); | |
30f0ad28 | 67 | if (aShaderKey.IsEmpty() || myResources.ShaderProgramId != aShaderKey) |
68 | { | |
f85399e5 | 69 | myResources.ResetShaderReadiness(); |
30f0ad28 | 70 | } |
71 | } | |
2166f0fa | 72 | |
30f0ad28 | 73 | // ======================================================================= |
74 | // function : Render | |
75 | // purpose : | |
76 | // ======================================================================= | |
5e27df78 | 77 | void OpenGl_AspectLine::Render (const Handle(OpenGl_Workspace) &theWorkspace) const |
2166f0fa | 78 | { |
5e27df78 | 79 | theWorkspace->SetAspectLine (this); |
2166f0fa SK |
80 | } |
81 | ||
30f0ad28 | 82 | // ======================================================================= |
83 | // function : Release | |
84 | // purpose : | |
85 | // ======================================================================= | |
10b9c7df | 86 | void OpenGl_AspectLine::Release (OpenGl_Context* theContext) |
30f0ad28 | 87 | { |
392ac980 | 88 | if (!myResources.ShaderProgram.IsNull() |
10b9c7df | 89 | && theContext) |
30f0ad28 | 90 | { |
392ac980 | 91 | theContext->ShaderManager()->Unregister (myResources.ShaderProgramId, |
92 | myResources.ShaderProgram); | |
30f0ad28 | 93 | } |
94 | myResources.ShaderProgramId.Clear(); | |
f85399e5 | 95 | myResources.ResetShaderReadiness(); |
30f0ad28 | 96 | } |
97 | ||
98 | // ======================================================================= | |
99 | // function : BuildShader | |
100 | // purpose : | |
101 | // ======================================================================= | |
8625ef7e | 102 | void OpenGl_AspectLine::Resources::BuildShader (const Handle(OpenGl_Context)& theCtx, |
30f0ad28 | 103 | const Handle(Graphic3d_ShaderProgram)& theShader) |
5e27df78 | 104 | { |
4e1523ef | 105 | if (theCtx->core20fwd == NULL) |
392ac980 | 106 | { |
30f0ad28 | 107 | return; |
392ac980 | 108 | } |
30f0ad28 | 109 | |
110 | // release old shader program resources | |
111 | if (!ShaderProgram.IsNull()) | |
112 | { | |
8625ef7e | 113 | theCtx->ShaderManager()->Unregister (ShaderProgramId, ShaderProgram); |
f85399e5 | 114 | ShaderProgramId.Clear(); |
115 | ShaderProgram.Nullify(); | |
30f0ad28 | 116 | } |
392ac980 | 117 | if (theShader.IsNull()) |
30f0ad28 | 118 | { |
392ac980 | 119 | return; |
30f0ad28 | 120 | } |
392ac980 | 121 | |
8625ef7e | 122 | theCtx->ShaderManager()->Create (theShader, ShaderProgramId, ShaderProgram); |
5e27df78 | 123 | } |