diff -r ab77deb851fa -r 8d98ee0dc917 src/glCompiler.cc
--- a/src/glCompiler.cc	Tue Mar 03 16:50:39 2015 +0200
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,423 +0,0 @@
-/*
- *  LDForge: LDraw parts authoring CAD
- *  Copyright (C) 2013 - 2015 Teemu Piippo
- *
- *  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 3 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, see <http://www.gnu.org/licenses/>.
- */
-
-#define GL_GLEXT_PROTOTYPES
-#include <GL/glu.h>
-#include <GL/glext.h>
-#include "glCompiler.h"
-#include "ldObject.h"
-#include "colors.h"
-#include "ldDocument.h"
-#include "miscallenous.h"
-#include "glRenderer.h"
-#include "dialogs.h"
-
-struct GLErrorInfo
-{
-	GLenum	value;
-	QString	text;
-};
-
-static const GLErrorInfo g_GLErrors[] =
-{
-	{ GL_NO_ERROR,						"No error" },
-	{ GL_INVALID_ENUM,					"Unacceptable enumerator passed" },
-	{ GL_INVALID_VALUE,					"Numeric argument out of range" },
-	{ GL_INVALID_OPERATION,				"The operation is not allowed to be done in this state" },
-	{ GL_INVALID_FRAMEBUFFER_OPERATION,	"Framebuffer object is not complete"},
-	{ GL_OUT_OF_MEMORY,					"Out of memory" },
-	{ GL_STACK_UNDERFLOW,				"The operation would have caused an underflow" },
-	{ GL_STACK_OVERFLOW,				"The operation would have caused an overflow" },
-};
-
-CFGENTRY (String, SelectColorBlend, "#0080FF")
-EXTERN_CFGENTRY (Bool, BlackEdges)
-EXTERN_CFGENTRY (String, BackgroundColor)
-
-static QList<int>		g_warnedColors;
-static const QColor		g_BFCFrontColor (64, 192, 80);
-static const QColor		g_BFCBackColor (208, 64, 64);
-
-// static QMap<LDObjectPtr, String> g_objectOrigins;
-
-// =============================================================================
-//
-void CheckGLErrorImpl (const char* file, int line)
-{
-	QString errmsg;
-	GLenum errnum = glGetError();
-
-	if (errnum == GL_NO_ERROR)
-		return;
-
-	for (const GLErrorInfo& err : g_GLErrors)
-	{
-		if (err.value == errnum)
-		{
-			errmsg = err.text;
-			break;
-		}
-	}
-
-	print ("OpenGL ERROR: at %1:%2: %3", Basename (QString (file)), line, errmsg);
-}
-
-// =============================================================================
-//
-GLCompiler::GLCompiler (GLRenderer* renderer) :
-	m_renderer (renderer)
-{
-	needMerge();
-	memset (m_vboSizes, 0, sizeof m_vboSizes);
-}
-
-// =============================================================================
-//
-void GLCompiler::initialize()
-{
-	initializeOpenGLFunctions();
-	glGenBuffers (g_numVBOs, &m_vbo[0]);
-	CHECK_GL_ERROR();
-}
-
-// =============================================================================
-//
-GLCompiler::~GLCompiler()
-{
-	glDeleteBuffers (g_numVBOs, &m_vbo[0]);
-	CHECK_GL_ERROR();
-
-	if (m_renderer != null)
-		m_renderer->setCompiler (null);
-}
-
-// =============================================================================
-//
-uint32 GLCompiler::colorToRGB (const QColor& color)
-{
-	return
-		(color.red()   & 0xFF) << 0x00 |
-		(color.green() & 0xFF) << 0x08 |
-		(color.blue()  & 0xFF) << 0x10 |
-		(color.alpha() & 0xFF) << 0x18;
-}
-
-// =============================================================================
-//
-QColor GLCompiler::indexColorForID (int id) const
-{
-	// Calculate a color based from this index. This method caters for
-	// 16777216 objects. I don't think that will be exceeded anytime soon. :)
-	int r = (id / 0x10000) % 0x100,
-		g = (id / 0x100) % 0x100,
-		b = id % 0x100;
-
-	return QColor (r, g, b);
-}
-
-// =============================================================================
-//
-QColor GLCompiler::getColorForPolygon (LDPolygon& poly, LDObjectPtr topobj,
-									   EVBOComplement complement) const
-{
-	QColor qcol;
-
-	switch (complement)
-	{
-		case VBOCM_Surfaces:
-		case VBOCM_NumComplements:
-			return QColor();
-
-		case VBOCM_BFCFrontColors:
-			qcol = g_BFCFrontColor;
-			break;
-
-		case VBOCM_BFCBackColors:
-			qcol = g_BFCBackColor;
-			break;
-
-		case VBOCM_PickColors:
-			return indexColorForID (topobj->id());
-
-		case VBOCM_RandomColors:
-			qcol = topobj->randomColor();
-			break;
-
-		case VBOCM_NormalColors:
-			if (poly.color == MainColorIndex)
-			{
-				if (topobj->color() == MainColor())
-					qcol = GLRenderer::getMainColor();
-				else
-					qcol = topobj->color().faceColor();
-			}
-			elif (poly.color == EdgeColorIndex)
-			{
-				qcol = Luma (QColor (cfg::BackgroundColor)) > 40 ? Qt::black : Qt::white;
-			}
-			else
-			{
-				LDColor col = LDColor::fromIndex (poly.color);
-
-				if (col)
-					qcol = col.faceColor();
-			}
-			break;
-	}
-
-	if (not qcol.isValid())
-	{
-		// The color was unknown. Use main color to make the polygon at least
-		// not appear pitch-black.
-		if (poly.num != 2 and poly.num != 5)
-			qcol = GLRenderer::getMainColor();
-		else
-			qcol = Qt::black;
-
-		// Warn about the unknown color, but only once.
-		if (not g_warnedColors.contains (poly.color))
-		{
-			print ("Unknown color %1!\n", poly.color);
-			g_warnedColors << poly.color;
-		}
-
-		return qcol;
-	}
-
-	double blendAlpha = 0.0;
-
-	if (topobj->isSelected())
-		blendAlpha = 1.0;
-	elif (topobj == m_renderer->objectAtCursor())
-		blendAlpha = 0.5;
-
-	if (blendAlpha != 0.0)
-	{
-		QColor selcolor (cfg::SelectColorBlend);
-		double denom = blendAlpha + 1.0;
-		qcol.setRed ((qcol.red() + (selcolor.red() * blendAlpha)) / denom);
-		qcol.setGreen ((qcol.green() + (selcolor.green() * blendAlpha)) / denom);
-		qcol.setBlue ((qcol.blue() + (selcolor.blue() * blendAlpha)) / denom);
-	}
-
-	return qcol;
-}
-
-// =============================================================================
-//
-void GLCompiler::needMerge()
-{
-	for (int i = 0; i < countof (m_vboChanged); ++i)
-		m_vboChanged[i] = true;
-}
-
-// =============================================================================
-//
-void GLCompiler::stageForCompilation (LDObjectPtr obj)
-{
-	/*
-	g_objectOrigins[obj] = format ("%1:%2 (%3)",
-		obj->document()->getDisplayName(), obj->lineNumber(), obj->typeName());
-	*/
-
-	m_staged << LDObjectWeakPtr (obj);
-}
-
-// =============================================================================
-//
-void GLCompiler::unstage (LDObjectPtr obj)
-{
-	m_staged.removeOne (LDObjectWeakPtr (obj));
-}
-
-// =============================================================================
-//
-void GLCompiler::compileDocument (LDDocumentPtr doc)
-{
-	if (doc == null)
-		return;
-
-	for (LDObjectPtr obj : doc->objects())
-		compileObject (obj);
-}
-
-// =============================================================================
-//
-void GLCompiler::compileStaged()
-{
-	RemoveDuplicates (m_staged);
-
-	for (auto it = m_staged.begin(); it != m_staged.end(); ++it)
-	{
-		if (*it == null)
-			continue;
-
-		compileObject (*it);
-	}
-
-	m_staged.clear();
-}
-
-// =============================================================================
-//
-void GLCompiler::prepareVBO (int vbonum)
-{
-	// Compile anything that still awaits it
-	compileStaged();
-
-	if (not m_vboChanged[vbonum])
-		return;
-
-	QVector<GLfloat> vbodata;
-
-	for (auto it = m_objectInfo.begin(); it != m_objectInfo.end();)
-	{
-		if (it.key() == null)
-		{
-			it = m_objectInfo.erase (it);
-			continue;
-		}
-
-		if (it.key().toStrongRef()->document() == CurrentDocument()
-			and not it.key().toStrongRef()->isHidden())
-		{
-			vbodata += it->data[vbonum];
-		}
-
-		++it;
-	}
-
-	glBindBuffer (GL_ARRAY_BUFFER, m_vbo[vbonum]);
-	glBufferData (GL_ARRAY_BUFFER, vbodata.size() * sizeof(GLfloat), vbodata.constData(), GL_STATIC_DRAW);
-	glBindBuffer (GL_ARRAY_BUFFER, 0);
-	CHECK_GL_ERROR();
-	m_vboChanged[vbonum] = false;
-	m_vboSizes[vbonum] = vbodata.size();
-}
-
-// =============================================================================
-//
-void GLCompiler::dropObject (LDObjectPtr obj)
-{
-	auto it = m_objectInfo.find (obj);
-
-	if (it != m_objectInfo.end())
-	{
-		m_objectInfo.erase (it);
-		needMerge();
-	}
-
-	unstage (obj);
-}
-
-// =============================================================================
-//
-void GLCompiler::compileObject (LDObjectPtr obj)
-{
-//	print ("Compile %1\n", g_objectOrigins[obj]);
-
-	if (obj == null or obj->document() == null or obj->document().toStrongRef()->isImplicit())
-		return;
-
-	ObjectVBOInfo info;
-	info.isChanged = true;
-	dropObject (obj);
-
-	switch (obj->type())
-	{
-		// Note: We cannot split quads into triangles here, it would mess up the
-		// wireframe view. Quads must go into separate vbos.
-		case OBJ_Triangle:
-		case OBJ_Quad:
-		case OBJ_Line:
-		case OBJ_CondLine:
-		{
-			LDPolygon* poly = obj->getPolygon();
-			poly->id = obj->id();
-			compilePolygon (*poly, obj, &info);
-			delete poly;
-			break;
-		}
-
-		case OBJ_Subfile:
-		{
-			LDSubfilePtr ref = obj.staticCast<LDSubfile>();
-			auto data = ref->inlinePolygons();
-
-			for (LDPolygon& poly : data)
-			{
-				poly.id = obj->id();
-				compilePolygon (poly, obj, &info);
-			}
-			break;
-		}
-
-		default:
-			break;
-	}
-
-	m_objectInfo[obj] = info;
-	needMerge();
-}
-
-// =============================================================================
-//
-void GLCompiler::compilePolygon (LDPolygon& poly, LDObjectPtr topobj, ObjectVBOInfo* objinfo)
-{
-	EVBOSurface surface;
-	int numverts;
-
-	switch (poly.num)
-	{
-		case 2:	surface = VBOSF_Lines;		numverts = 2; break;
-		case 3:	surface = VBOSF_Triangles;	numverts = 3; break;
-		case 4:	surface = VBOSF_Quads;		numverts = 4; break;
-		case 5:	surface = VBOSF_CondLines;	numverts = 2; break;
-		default: return;
-	}
-
-	for (EVBOComplement complement = VBOCM_First; complement < VBOCM_NumComplements; ++complement)
-	{
-		const int vbonum			= vboNumber (surface, complement);
-		QVector<GLfloat>& vbodata	= objinfo->data[vbonum];
-		const QColor color			= getColorForPolygon (poly, topobj, complement);
-
-		for (int vert = 0; vert < numverts; ++vert)
-		{
-			if (complement == VBOCM_Surfaces)
-			{
-				// Write coordinates. Apparently Z must be flipped too?
-				vbodata	<< poly.vertices[vert].x()
-						<< -poly.vertices[vert].y()
-						<< -poly.vertices[vert].z();
-			}
-			else
-			{
-				vbodata	<< ((GLfloat) color.red()) / 255.0f
-						<< ((GLfloat) color.green()) / 255.0f
-						<< ((GLfloat) color.blue()) / 255.0f
-						<< ((GLfloat) color.alpha()) / 255.0f;
-			}
-		}
-	}
-}
-
-void GLCompiler::setRenderer (GLRenderer* renderer)
-{
-	m_renderer = renderer;
-}