From: Mikko Rasa <tdb@tdb.fi>
Date: Sun, 1 Jul 2018 09:53:08 +0000 (+0300)
Subject: Do not attempt to legacy-bind texture targets which do not support it
X-Git-Url: http://git.tdb.fi/?p=libs%2Fgl.git;a=commitdiff_plain;h=7af837734a28a14b3e24a421187d12ecd16572d0

Do not attempt to legacy-bind texture targets which do not support it
---

diff --git a/source/texture.cpp b/source/texture.cpp
index 1b7bdc22..820dd10f 100644
--- a/source/texture.cpp
+++ b/source/texture.cpp
@@ -314,6 +314,8 @@ void Texture::bind_to(unsigned i, bool legacy) const
 		}
 	}
 
+	legacy = (legacy && is_legacy_target(target));
+
 	TexUnit &unit = TexUnit::get_unit(i);
 	const Texture *old = unit.get_texture();
 	bool old_legacy = unit.get_texture_legacy();
@@ -369,6 +371,11 @@ void Texture::unbind_from(unsigned i)
 	}
 }
 
+bool Texture::is_legacy_target(GLenum target)
+{
+	return target<GL_TEXTURE_1D_ARRAY;
+}
+
 
 Texture::Loader::Loader(Texture &t):
 	DataFile::CollectionObjectLoader<Texture>(t, 0)
diff --git a/source/texture.h b/source/texture.h
index f491297d..ffc5e1a4 100644
--- a/source/texture.h
+++ b/source/texture.h
@@ -202,7 +202,10 @@ public:
 	static const Texture *current(unsigned = 0);
 	static void unbind() { unbind_from(0); }
 	static void unbind_from(unsigned);
+private:
+	static bool is_legacy_target(GLenum);
 
+public:
 	virtual UInt64 get_data_size() const { return 0; }
 };