kicad/common/gal/opengl/utils.cpp

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/*
* This program source code file is part of KiCad, a free EDA CAD application.
*
* Copyright (C) 2016-2017 CERN
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* @author Maciej Suminski <maciej.suminski@cern.ch>
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, you may find one here:
* http://www.gnu.org/licenses/old-licenses/gpl-2.0.html
* or you may search the http://www.gnu.org website for the version 2 license,
* or you may write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
#include <confirm.h> // DisplayError
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#include <GL/glew.h>
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#include <stdexcept>
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int checkGlError( const std::string& aInfo, bool aThrow )
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{
int result = glGetError();
wxString errorMsg;
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switch( result )
{
case GL_NO_ERROR:
// all good
break;
case GL_INVALID_ENUM:
errorMsg = wxString::Format( "Error: %s: invalid enum", aInfo );
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break;
case GL_INVALID_VALUE:
errorMsg = wxString::Format( "Error: %s: invalid value", aInfo );
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break;
case GL_INVALID_OPERATION:
errorMsg = wxString::Format( "Error: %s: invalid operation", aInfo );
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break;
case GL_INVALID_FRAMEBUFFER_OPERATION:
{
GLenum status = glCheckFramebufferStatusEXT( GL_FRAMEBUFFER_EXT );
if( status != GL_FRAMEBUFFER_COMPLETE_EXT )
{
switch( status )
{
case GL_FRAMEBUFFER_INCOMPLETE_ATTACHMENT_EXT:
errorMsg = "The framebuffer attachment points are incomplete.";
break;
case GL_FRAMEBUFFER_INCOMPLETE_MISSING_ATTACHMENT_EXT:
errorMsg = "No images attached to the framebuffer.";
break;
case GL_FRAMEBUFFER_INCOMPLETE_DRAW_BUFFER_EXT:
errorMsg = "The framebuffer does not have at least one image attached to it.";
break;
case GL_FRAMEBUFFER_INCOMPLETE_READ_BUFFER_EXT:
errorMsg = "The framebuffer read buffer is incomplete.";
break;
case GL_FRAMEBUFFER_UNSUPPORTED_EXT:
errorMsg = "The combination of internal formats of the attached images violates an implementation-dependent set of restrictions.";
break;
case GL_FRAMEBUFFER_INCOMPLETE_MULTISAMPLE_EXT:
errorMsg = "GL_RENDERBUFFER_SAMPLES is not the same for all attached renderbuffers.";
break;
case GL_FRAMEBUFFER_INCOMPLETE_LAYER_TARGETS_EXT:
errorMsg = "Framebuffer incomplete layer targets errors.";
break;
case GL_FRAMEBUFFER_INCOMPLETE_DIMENSIONS_EXT:
errorMsg = "Framebuffer attachments have different dimensions";
break;
default:
errorMsg = "Unknown incomplete framebufer error";
}
}
else
errorMsg = wxString::Format( "Error: %s: invalid framebuffer operation", aInfo );
}
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break;
case GL_OUT_OF_MEMORY:
errorMsg = wxString::Format( "Error: %s: out of memory", aInfo );
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break;
case GL_STACK_UNDERFLOW:
errorMsg = wxString::Format( "Error: %s: stack underflow", aInfo );
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break;
case GL_STACK_OVERFLOW:
errorMsg = wxString::Format( "Error: %s: stack overflow", aInfo );
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break;
default:
errorMsg = wxString::Format( "Error: %s: unknown error", aInfo );
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break;
}
if( result != GL_NO_ERROR )
{
if( aThrow )
throw std::runtime_error( (const char*) errorMsg.char_str() );
else
DisplayErrorMessage( nullptr, "OpenGL error occurred", errorMsg );
}
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return result;
}
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// debugMsgCallback is a callback function for glDebugMessageCallback.
// It must have the right type ( GLAPIENTRY )
static void GLAPIENTRY debugMsgCallback( GLenum aSource, GLenum aType, GLuint aId,
GLenum aSeverity, GLsizei aLength, const GLchar* aMessage, const void* aUserParam )
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{
switch( aSeverity )
{
case GL_DEBUG_SEVERITY_HIGH: printf( "OpenGL ERROR: " ); break;
case GL_DEBUG_SEVERITY_MEDIUM: printf( "OpenGL WARNING: " ); break;
case GL_DEBUG_SEVERITY_LOW: printf( "OpenGL INFO: " ); break;
case GL_DEBUG_SEVERITY_NOTIFICATION: return;
}
printf( "%s\n", aMessage );
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}
void enableGlDebug( bool aEnable )
{
if( aEnable )
{
glEnable( GL_DEBUG_OUTPUT );
glDebugMessageCallback( (GLDEBUGPROC) debugMsgCallback, nullptr );
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}
else
{
glDisable( GL_DEBUG_OUTPUT );
}
}