From 66a35d2b466e75604eeaa42b6ff0dfd0e19d2c3b Mon Sep 17 00:00:00 2001
From: Ludovic Pouzenc <ludovic@pouzenc.fr>
Date: Sat, 5 Jan 2013 15:55:31 +0000
Subject: - Ajout des dependances de compilation dans le README - Renommage
 MyGTKGlScene en MyGTKGlSceneWidget - Refactoring du maigre code OpenGL
 exitant (meilleure ventillation des events) - Modifications cosmétiques
 (commentaires / indentation / ordre des méthodes...) - Ajout gestion des
 évènement souris (reste des bugs avec les modifieurs clavier)
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git-svn-id: file:///var/svn/2013-gpudataviz/trunk@4 371a6b4a-a258-45f8-9dcc-bdd82ce0ac9d
---
 src/boring_parts.cc | 20 ++++++++++++++++++++
 1 file changed, 20 insertions(+)

(limited to 'src/boring_parts.cc')

diff --git a/src/boring_parts.cc b/src/boring_parts.cc
index 5e240c2..3973c23 100644
--- a/src/boring_parts.cc
+++ b/src/boring_parts.cc
@@ -103,3 +103,23 @@ int initOpenCL() {
 }
 #endif /*HAS_OPENCL*/
 
+bool updateGLProjectionMatrix(Glib::RefPtr<Gdk::GL::Context> glCtx, Glib::RefPtr<Gdk::GL::Window> glWin, int width, int height) {
+
+	GLdouble aspect = (GLdouble) width/height;
+
+	// *** OpenGL BEGIN ***
+	if (!glWin->gl_begin(glCtx)) return false;
+
+	glViewport(0, 0, width, height);
+	glMatrixMode(GL_PROJECTION);
+	glLoadIdentity();
+	gluPerspective(60.0, aspect, 0.1, 10.0);
+	glMatrixMode(GL_MODELVIEW);
+
+	glWin->gl_end();
+	// *** OpenGL END ***
+
+	return true;
+
+}
+
-- 
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