// Template materials for integrated depth shadows

vertex_program Ogre/shadow/caster/depth/vp cg
{
	source depthshadowobject.cg
	profiles vs_1_1 arbvp1
	entry_point main_vp
	compile_arguments -DSHADOWCASTER=1 -DDEPTH_SHADOWCASTER=1 -DDEPTH_SHADOWRECEIVER=0

	default_params
	{
		param_named_auto worldViewProj		worldviewproj_matrix
		param_named_auto depthRange			scene_depth_range 0
	}
}

fragment_program Ogre/shadow/caster/depth/fp cg
{
	source depthshadowobject.cg
	profiles ps_2_x arbfp1
	entry_point main_fp
	compile_arguments -DSHADOWCASTER=1 -DDEPTH_SHADOWCASTER=1 -DDEPTH_SHADOWRECEIVER=0

	default_params
	{
	}
}



vertex_program Ogre/shadow/receiver/depth/pssm3/vp cg
{
	source depthshadowobject.cg
	profiles vs_1_1 arbvp1
	entry_point main_vp
	compile_arguments -DSHADOWCASTER=0 -DDEPTH_SHADOWCASTER=0 -DDEPTH_SHADOWRECEIVER=1 

	default_params
	{
		param_named_auto worldViewProj		worldviewproj_matrix
		param_named_auto lightPosition		light_position_object_space 0
		param_named_auto lightDiffuse		derived_light_diffuse_colour 0
		param_named_auto depthRange0		shadow_scene_depth_range 0
		param_named_auto depthRange1		shadow_scene_depth_range 1
		param_named_auto depthRange2		shadow_scene_depth_range 2
		
		param_named_auto texWorldViewProjMatrix0	texture_worldviewproj_matrix 0
		param_named_auto texWorldViewProjMatrix1	texture_worldviewproj_matrix 1
		param_named_auto texWorldViewProjMatrix2	texture_worldviewproj_matrix 2
	}
}

fragment_program Ogre/shadow/receiver/depth/pssm3/fp cg
{
	source depthshadowobject.cg
	profiles ps_2_x arbfp1
	entry_point main_fp
	compile_arguments -DSHADOWCASTER=0 -DDEPTH_SHADOWCASTER=0 -DDEPTH_SHADOWRECEIVER=1 

	default_params
	{
		param_named_auto materialAmbient derived_ambient_light_colour
		// shadow samplers are indexes 1/2/3
		param_named_auto inverseShadowmapSize0 inverse_texture_size 1
		param_named_auto inverseShadowmapSize1 inverse_texture_size 2
		param_named_auto inverseShadowmapSize2 inverse_texture_size 3
		//SET THIS MANUALLY!
		//param_named pssmSplitPoints 0 0 0 0
	}
}

material Ogre/shadow/depth/caster
{
	technique
	{
		pass
		{
			vertex_program_ref Ogre/shadow/caster/depth/vp
			{
			}
			fragment_program_ref Ogre/shadow/caster/depth/fp
			{
			}
		}
	}
}

material Ogre/shadow/depth/integrated/pssm
{
    technique
	{
		// link to caster material
		shadow_caster_material Ogre/shadow/depth/caster
		
		pass
		{
			vertex_program_ref Ogre/shadow/receiver/depth/pssm3/vp
			{
			}
			fragment_program_ref Ogre/shadow/receiver/depth/pssm3/fp
			{
				// you must specify pssmSplitPoints when you instantiate!
			}
			
			texture_unit diffuse
			{
				// nothing specified for now, derivers can override
			}
			
			texture_unit shadow0
			{
				content_type shadow
				tex_address_mode border
				tex_border_colour 1 1 1 1
			}
			texture_unit shadow1
			{
				content_type shadow
				tex_address_mode border
				tex_border_colour 1 1 1 1
			}
			texture_unit shadow2
			{
				content_type shadow
				tex_address_mode border
				tex_border_colour 1 1 1 1
			}
		}
	}
}