Moved shaders to separate OpenGL and DirectX folders

src/game/Rendering/OpenGL/Shaders/Screen/Vertex.glsl

@@ -0,0 +1,29 @@
+/*
+	This file is part of Daydream Engine.
+	Copyright 2014 Adam Byléhn, Tobias Dahl, Simon Holmberg, Viktor Ljung
+	
+	Daydream Engine is free software: you can redistribute it and/or modify
+	it under the terms of the GNU Lesser General Public License as published by
+	the Free Software Foundation, either version 3 of the License, or
+	(at your option) any later version.
+	
+	Daydream Engine is distributed in the hope that it will be useful,
+	but WITHOUT ANY WARRANTY; without even the implied warranty of
+	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+	GNU Lesser General Public License for more details.
+	
+	You should have received a copy of the GNU Lesser General Public License
+	along with Daydream Engine.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+#version 440
+
+layout (location = 0) in vec3 Position;
+
+out vec2 TextureCoord;
+
+void main()
+{
+	gl_Position = vec4(Position, 1.0);
+	TextureCoord = (vec2(Position) + 1.0) / 2.0;
+}