From 45b9a300224ceae266f2776ccba7ffa2c6c920dc Mon Sep 17 00:00:00 2001
From: Christophe Geuzaine <cgeuzaine@ulg.ac.be>
Date: Fri, 2 Oct 2009 06:04:40 +0000
Subject: [PATCH] fix crash for transparent remote views
---
Graphics/drawPost.cpp | 11 +++++++----
1 file changed, 7 insertions(+), 4 deletions(-)
diff --git a/Graphics/drawPost.cpp b/Graphics/drawPost.cpp
index b26175f788..ff7f9b3add 100644
--- a/Graphics/drawPost.cpp
+++ b/Graphics/drawPost.cpp
@@ -324,9 +324,11 @@ class drawPView {
}
else{
// real translucent blending (requires back-to-front traversal)
- glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA); // glBlendEquation(GL_FUNC_ADD);
+ glBlendFunc(GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
+ // glBlendEquation(GL_FUNC_ADD);
glEnable(GL_BLEND);
- if(eyeChanged(_ctx, p)){
+ if(p->va_triangles && p->va_triangles->getNumVertices() &&
+ eyeChanged(_ctx, p)){
Msg::Debug("Sorting View[%d] for transparency", p->getIndex());
p->va_triangles->sort(p->getEye().x(), p->getEye().y(), p->getEye().z());
}
@@ -356,8 +358,9 @@ class drawPView {
// draw the "pseudo" vertex arrays for vectors
drawVectorArray(_ctx, p, p->va_vectors);
- // to avoid looping over elements we should also store these
- // glyphs in "pseudo" vertex arrays
+ // to avoid looping over elements (and to enable drawing glyphs
+ // for remote views) we should also store these glyphs in "pseudo"
+ // vertex arrays
drawGlyphs(_ctx, p);
// draw the 3D strings
--
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