Added shaders for deferred shadow example

data/shaders/deferredshadows/deferred.vert

@@ -0,0 +1,36 @@
+#version 450
+
+#extension GL_ARB_separate_shader_objects : enable
+#extension GL_ARB_shading_language_420pack : enable
+
+layout (location = 0) in vec3 inPos;
+layout (location = 1) in vec2 inUV;
+
+layout (binding = 0) uniform UBO 
+{
+	mat4 projection;
+	mat4 modelview;
+	mat4 lightMVP;
+} ubo;
+
+layout (location = 0) out vec2 outUV;
+//layout (location = 1) out vec4 outShadowCoord;
+
+out gl_PerVertex
+{
+	vec4 gl_Position;
+};
+
+/*
+const mat4 biasMat = mat4( 
+	0.5, 0.0, 0.0, 0.0,
+	0.0, 0.5, 0.0, 0.0,
+	0.0, 0.0, 1.0, 0.0,
+	0.5, 0.5, 0.0, 1.0 );
+	*/
+void main() 
+{
+	outUV = inUV;
+	gl_Position = ubo.projection * ubo.modelview * vec4(inPos.xyz, 1.0);
+	//outShadowCoord = (biasMat * ubo.lightMVP * ubo.modelview) * vec4(inPos, 1.0);	
+}