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a3f6f591fc
Remove extra semicolons and correct function prototypes for GCC -pedantic ISO compliance option
124 lines
4.1 KiB
C++
124 lines
4.1 KiB
C++
// Created on: 2011-07-13
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// Created by: Sergey ZERCHANINOV
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// Copyright (c) 2011-2014 OPEN CASCADE SAS
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//
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// This file is part of Open CASCADE Technology software library.
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//
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// This library is free software; you can redistribute it and/or modify it under
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// the terms of the GNU Lesser General Public License version 2.1 as published
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// by the Free Software Foundation, with special exception defined in the file
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// OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT
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// distribution for complete text of the license and disclaimer of any warranty.
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//
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// Alternatively, this file may be used under the terms of Open CASCADE
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// commercial license or contractual agreement.
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#include <Graphic3d_ShaderProgram.hxx>
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#include <OpenGl_AspectLine.hxx>
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#include <OpenGl_Context.hxx>
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#include <OpenGl_ShaderManager.hxx>
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#include <OpenGl_ShaderProgram.hxx>
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#include <OpenGl_Workspace.hxx>
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namespace
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{
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static const TEL_COLOUR myDefaultColor = {{ 1.0F, 1.0F, 1.0F, 1.0F }};
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static const TCollection_AsciiString THE_EMPTY_KEY;
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}
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// =======================================================================
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// function : OpenGl_AspectLine
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// purpose :
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// =======================================================================
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OpenGl_AspectLine::OpenGl_AspectLine ()
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: myColor(myDefaultColor),
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myType(Aspect_TOL_SOLID),
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myWidth(1.0F)
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{}
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// =======================================================================
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// function : OpenGl_AspectLine
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// purpose :
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// =======================================================================
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OpenGl_AspectLine::OpenGl_AspectLine (const OpenGl_AspectLine &AnOther)
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: myColor(AnOther.myColor),
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myType(AnOther.myType),
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myWidth(AnOther.myWidth)
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{}
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// =======================================================================
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// function : SetAspect
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// purpose :
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// =======================================================================
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void OpenGl_AspectLine::SetAspect (const CALL_DEF_CONTEXTLINE &theAspect)
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{
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myColor.rgb[0] = (float) theAspect.Color.r;
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myColor.rgb[1] = (float) theAspect.Color.g;
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myColor.rgb[2] = (float) theAspect.Color.b;
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myColor.rgb[3] = 1.0f;
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myType = (Aspect_TypeOfLine) theAspect.LineType;
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myWidth = (float) theAspect.Width;
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// update resource bindings
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myShaderProgram = theAspect.ShaderProgram;
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const TCollection_AsciiString& aShaderKey = myShaderProgram.IsNull() ? THE_EMPTY_KEY : myShaderProgram->GetId();
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if (aShaderKey.IsEmpty() || myResources.ShaderProgramId != aShaderKey)
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{
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myResources.ResetShaderReadiness();
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}
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}
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// =======================================================================
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// function : Render
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// purpose :
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// =======================================================================
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void OpenGl_AspectLine::Render (const Handle(OpenGl_Workspace) &theWorkspace) const
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{
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theWorkspace->SetAspectLine (this);
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}
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// =======================================================================
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// function : Release
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// purpose :
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// =======================================================================
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void OpenGl_AspectLine::Release (OpenGl_Context* theContext)
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{
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if (!myResources.ShaderProgram.IsNull()
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&& theContext)
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{
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theContext->ShaderManager()->Unregister (myResources.ShaderProgramId,
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myResources.ShaderProgram);
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}
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myResources.ShaderProgramId.Clear();
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myResources.ResetShaderReadiness();
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}
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// =======================================================================
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// function : BuildShader
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// purpose :
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// =======================================================================
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void OpenGl_AspectLine::Resources::BuildShader (const Handle(OpenGl_Context)& theCtx,
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const Handle(Graphic3d_ShaderProgram)& theShader)
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{
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if (theCtx->core20fwd == NULL)
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{
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return;
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}
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// release old shader program resources
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if (!ShaderProgram.IsNull())
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{
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theCtx->ShaderManager()->Unregister (ShaderProgramId, ShaderProgram);
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ShaderProgramId.Clear();
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ShaderProgram.Nullify();
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}
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if (theShader.IsNull())
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{
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return;
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}
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theCtx->ShaderManager()->Create (theShader, ShaderProgramId, ShaderProgram);
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}
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