From 345efa6f107951a75b2df5ba08bae0f60ada0e7c Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Fri, 19 Jun 2015 07:19:46 +0000
Subject: [PATCH] check raster pos
---
Graphics/drawGlyph.cpp | 3 +++
1 file changed, 3 insertions(+)
diff --git a/Graphics/drawGlyph.cpp b/Graphics/drawGlyph.cpp
index e0e1b53ab7..c7c73fae9c 100644
--- a/Graphics/drawGlyph.cpp
+++ b/Graphics/drawGlyph.cpp
@@ -192,6 +192,9 @@ void drawContext::drawImage(const std::string &name, double x, double y, double
GLint matrixMode = 0;
if(billboard){
glRasterPos3d(x, y, z);
+ GLboolean valid;
+ glGetBooleanv(GL_CURRENT_RASTER_POSITION_VALID, &valid);
+ if(valid == GL_FALSE) return; // the primitive is culled
GLfloat pos[4];
glGetFloatv(GL_CURRENT_RASTER_POSITION, pos);
glGetIntegerv(GL_MATRIX_MODE, &matrixMode);
--
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