//////////////////////////////////////////////////////////////////////////////
// ©2008 Electronic Arts Inc
//
// Scrape script for depth map pass
//////////////////////////////////////////////////////////////////////////////
#ifndef SCRAPE_SCRIPT_DEPTH_MAP_SCRAPEH
#define SCRAPE_SCRIPT_DEPTH_MAP_SCRAPEH

//
// Depth map
//

// This buffer holds the depth information in linear format
var texture DepthTexture $PostEffect.FrameBufferSize.x $PostEffect.FrameBufferSize.y R32F

#if defined(EA_PLATFORM_WINDOWS)

	#define DepthRenderTarget DepthTexture
	
	var texture DepthTextureLinear $PostEffect.FrameBufferSize.x $PostEffect.FrameBufferSize.y R32F
	#define DepthTextureLinearTarget DepthTextureLinear
	
#elif defined(EA_PLATFORM_XENON)
	
	var texture ZBufferTexture $PostEffect.FrameBufferSize.x $PostEffect.FrameBufferSize.y D24FS8

	var surface DepthRenderTarget edram $PostEffect.FrameBufferSize.x $PostEffect.FrameBufferSize.y R32F
	var surfacegroup DepthGroup DepthRenderTarget DepthBuffer

#endif

var shader PostEffectLinearDepthShader 	PostFX_LinearDepth.fx

// Moved from common because the shadow pass and depth pass render different things.
proc renderDepthCasters
	renderTerrain 

	renderbin TerrainLikeGroundObject
	renderbin Bridge
	renderProps

	beginevent RenderCasters_Units
		callproc renderBinsUnit
		callproc renderBinsUnitOutline
	endevent RenderCasters_Units

	renderbin Solid

	beginevent RenderCasters_Structures
		renderbin Structure
		callproc renderBinsStructureOutline
	endevent RenderCasters_Structures

	renderbin PartiallyTransparentWall

	renderbin StaticSort5 					// Underwater Sorting
	callproc renderBinsStaticSort
	renderbin Transparent
	renderTransparentOutlineObjects
endproc

proc updateDepthMapReally
	beginevent UpdateDepthMap

#if defined(EA_PLATFORM_XENON)
	settarget 0 NULL
#else
	settarget 0 DepthRenderTarget
#endif
	setdepth DepthBuffer
	
	beginDepthOverrideTechnique
		
	setclearcolor		1 1 1 1
	setcleardepth       1.0
	
#if defined(EA_PLATFORM_XENON)
	clearz
#else
	clear
#endif
	
	setcamera Viewer
	visibleobjects DepthMap
	
	callproc renderDepthCasters

	endDepthOverrideTechnique
	
	setshader PostEffectLinearDepthShader LinearDepth
	
#if defined(EA_PLATFORM_XENON)
	resolve ZBufferTexture depthstencil
	
	settarget 0 DepthRenderTarget
	
	settexture PostEffect DepthBufferTexture ZBufferTexture

	renderquad
	
	resolve DepthTexture
	
	settexture WW3D DepthTexture DepthTexture
#else
	settarget 0 DepthTextureLinearTarget
	
	settexture PostEffect DepthBufferTexture DepthTexture

	renderquad

	settexture WW3D DepthTexture DepthTextureLinear	
#endif

	endevent UpdateDepthMap
endproc


proc updateDepthMap
	// Note(s): Depth texture is needed for deferred water shading and soft particles.
	if Water IsReflectionVisible
		callproc updateDepthMapReally
	elif Particle IsSoftParticlesEnabled
		callproc updateDepthMapReally
	endif
endproc

#endif // SCRAPE_SCRIPT_DEPTH_MAP_SCRAPEH