From: Steinar H. Gunderson <sgunderson@bigfoot.com>
Date: Sun, 9 Sep 2018 18:29:14 +0000 (+0200)
Subject: Fix an issue where interpolation would not work, since something (Qt?) turned off... 
X-Git-Tag: 1.8.0~76^2~115
X-Git-Url: https://git.sesse.net/?a=commitdiff_plain;h=6175012d6d15e68a59c535a7dec65884d7e1bfa6;p=nageru

Fix an issue where interpolation would not work, since something (Qt?) turned off depth writing.
---

diff --git a/flow.cpp b/flow.cpp
index 882a0b6..873bdf2 100644
--- a/flow.cpp
+++ b/flow.cpp
@@ -797,6 +797,7 @@ void Splat::exec(GLuint image_tex, GLuint bidirectional_flow_tex, GLuint flow_te
 	glViewport(0, 0, width, height);
 	glDisable(GL_BLEND);
 	glEnable(GL_DEPTH_TEST);
+	glDepthMask(GL_TRUE);
 	glDepthFunc(GL_LESS);  // We store the difference between I_0 and I_1, where less difference is good. (Default 1.0 is effectively +inf, which always loses.)
 
 	fbos.render_to(depth_rb, flow_tex);