From dcd8bd3a16a4af8e77aa84877b3f8a4fb03b8c7e Mon Sep 17 00:00:00 2001
From: Mikko Rasa <tdb@tdb.fi>
Date: Thu, 28 Nov 2013 13:11:35 +0200
Subject: [PATCH] Give TexEnv a default object since it can't be disabled

---
 source/texenv.cpp | 18 +++++++++---------
 source/texenv.h   |  3 +++
 2 files changed, 12 insertions(+), 9 deletions(-)

diff --git a/source/texenv.cpp b/source/texenv.cpp
index ff77e8ce..ff9ea197 100644
--- a/source/texenv.cpp
+++ b/source/texenv.cpp
@@ -5,9 +5,16 @@ namespace Msp {
 namespace GL {
 
 TexEnv::TexEnv():
-	mode(MODULATE)
+	mode(MODULATE),
+	color(0, 0, 0, 0)
 { }
 
+const TexEnv &TexEnv::default_object()
+{
+	static TexEnv obj;
+	return obj;
+}
+
 void TexEnv::set_mode(TexEnvMode m)
 {
 	mode = m;
@@ -40,14 +47,7 @@ const TexEnv *TexEnv::current(unsigned i)
 
 void TexEnv::unbind_from(unsigned i)
 {
-	TexUnit &unit = TexUnit::get_unit(i);
-	if(unit.set_texenv(0))
-	{
-		unit.bind();
-		Color black(0, 0, 0, 0);
-		glTexEnvi(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, MODULATE);
-		glTexEnvfv(GL_TEXTURE_ENV, GL_TEXTURE_ENV_COLOR, &black.r);
-	}
+	default_object().bind_to(i);
 }
 
 } // namespace GL
diff --git a/source/texenv.h b/source/texenv.h
index 1327bb85..55a12f30 100644
--- a/source/texenv.h
+++ b/source/texenv.h
@@ -25,6 +25,9 @@ private:
 
 public:
 	TexEnv();
+
+	static const TexEnv &default_object();
+
 	void set_mode(TexEnvMode);
 	void set_color(const Color &);
 	TexEnvMode get_mode() const { return mode; }
-- 
2.43.0