From b8bf80e84e70f64fe9e2ab8ba7769b60f1d9b708 Mon Sep 17 00:00:00 2001
From: lisyarus <lisyarus@gmail.com>
Date: Fri, 4 Jun 2021 13:58:22 +0300
Subject: [PATCH] Support binding a texture to a specific texture unit

---
 libs/gfx/include/psemek/gfx/texture.hpp | 8 ++++++++
 1 file changed, 8 insertions(+)

diff --git a/libs/gfx/include/psemek/gfx/texture.hpp b/libs/gfx/include/psemek/gfx/texture.hpp
index 31e553f0..ff727ce7 100644
--- a/libs/gfx/include/psemek/gfx/texture.hpp
+++ b/libs/gfx/include/psemek/gfx/texture.hpp
@@ -34,6 +34,7 @@ namespace psemek::gfx
 		void reset();
 
 		void bind() const;
+		void bind(int texture_unit) const;
 
 		geom::vector<std::size_t, D> size() const { return size_; }
 
@@ -208,6 +209,13 @@ namespace psemek::gfx
 		gl::BindTexture(Target, id());
 	}
 
+	template <std::size_t D, GLenum Target>
+	void basic_texture<D, Target>::bind(int texture_unit) const
+	{
+		gl::ActiveTexture(gl::TEXTURE0 + texture_unit);
+		gl::BindTexture(Target, id());
+	}
+
 	template <std::size_t D, GLenum Target>
 	std::size_t basic_texture<D, Target>::width() const
 	{