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changeset 27767:3212c50369cb

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Make graphics antialiasing and blending independent (bug #57343) * gl-render.cc (opengl_renderer::init_gl_context): Enable GL_BLEND whatever the value of "enhanced" variable.
author Pantxo Diribarne <pantxo.diribarne@gmail.com>
date Mon, 02 Dec 2019 18:23:12 +0100
parents 0ca7f17de041
children d6701f835496
files libinterp/corefcn/gl-render.cc
diffstat 1 files changed, 1 insertions(+), 2 deletions(-) [+]
line wrap: on
line diff
--- a/libinterp/corefcn/gl-render.cc	Mon Dec 02 18:20:28 2019 -0600
+++ b/libinterp/corefcn/gl-render.cc	Mon Dec 02 18:23:12 2019 +0100
@@ -834,10 +834,10 @@
     m_glfcns.glBlendFunc (GL_SRC_ALPHA, GL_ONE_MINUS_SRC_ALPHA);
     m_glfcns.glAlphaFunc (GL_GREATER, 0.0f);
     m_glfcns.glEnable (GL_NORMALIZE);
+    m_glfcns.glEnable (GL_BLEND);
 
     if (enhanced)
       {
-        m_glfcns.glEnable (GL_BLEND);
         m_glfcns.glEnable (GL_MULTISAMPLE);
         bool has_multisample = false;
         if (! m_glfcns.glGetError ())
@@ -863,7 +863,6 @@
       }
     else
       {
-        m_glfcns.glDisable (GL_BLEND);
         m_glfcns.glDisable (GL_LINE_SMOOTH);
       }