forked from LeenkxTeam/LNXSDK
		
	
		
			
				
	
	
		
			888 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
			
		
		
	
	
			888 lines
		
	
	
		
			25 KiB
		
	
	
	
		
			Haxe
		
	
	
	
	
	
| package iron;
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| 
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| import kha.Image;
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| import kha.Color;
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| import kha.Scheduler;
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| import kha.graphics4.Graphics;
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| import kha.graphics4.CubeMap;
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| import kha.graphics4.DepthStencilFormat;
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| import kha.graphics4.TextureFormat;
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| import iron.system.Time;
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| import iron.data.SceneFormat;
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| import iron.data.MaterialData;
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| import iron.data.ShaderData;
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| import iron.data.ConstData;
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| import iron.data.Data;
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| import iron.object.Object;
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| import iron.object.LightObject;
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| import iron.object.MeshObject;
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| import iron.object.Uniforms;
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| import iron.object.Clipmap;
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| 
 | |
| class RenderPath {
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| 
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| 	public static var active: RenderPath;
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| 
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| 	public var frameScissor = false;
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| 	public var frameScissorX = 0;
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| 	public var frameScissorY = 0;
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| 	public var frameScissorW = 0;
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| 	public var frameScissorH = 0;
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| 	public var frameTime = 0.0;
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| 	public var frame = 0;
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| 	public var currentTarget: RenderTarget = null;
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| 	public var currentFace: Int;
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| 	public var light: LightObject = null;
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| 	public var sun: LightObject = null;
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| 	public var point: LightObject = null;
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| 	#if rp_probes
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| 	public var currentProbeIndex = 0;
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| 	#end
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| 	public var isProbePlanar = false;
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| 	public var isProbeCube = false;
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| 	public var isProbe = false;
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| 	public var currentG: Graphics = null;
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| 	public var frameG: Graphics;
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| 	public var drawOrder = DrawOrder.Distance;
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| 	public var paused = false;
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| 	public var ready(get, null): Bool;
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| 	function get_ready(): Bool { return loading == 0; }
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| 	public var commands: Void->Void = null;
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| 	public var setupDepthTexture: Void->Void = null;
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| 	public var renderTargets: Map<String, RenderTarget> = new Map();
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| 	public var depthToRenderTarget: Map<String, RenderTarget> = new Map();
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| 	public var currentW: Int;
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| 	public var currentH: Int;
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| 	public var currentD: Int;
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| 	var lastW = 0;
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| 	var lastH = 0;
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| 	var bindParams: Array<String>;
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| 	var meshesSorted: Bool;
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| 	var scissorSet = false;
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| 	var viewportScaled = false;
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| 	var lastFrameTime = 0.0;
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| 	var loading = 0;
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| 	var cachedShaderContexts: Map<String, CachedShaderContext> = new Map();
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| 	var depthBuffers: Array<{name: String, format: String}> = [];
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| 	var additionalTargets: Array<kha.Canvas>;
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| 
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| 	#if (rp_voxels != "Off")
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| 	public static var pre_clear = true;
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| 	public static var res_pre_clear = true;
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| 	public static var clipmapLevel = 0;
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| 	public static var clipmaps:Array<Clipmap>;
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| 
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| 	public static inline function getVoxelRes(): Int {
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| 		#if (rp_voxelgi_resolution == 512)
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| 		return 512;
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| 		#elseif (rp_voxelgi_resolution == 256)
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| 		return 256;
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| 		#elseif (rp_voxelgi_resolution == 128)
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| 		return 128;
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| 		#elseif (rp_voxelgi_resolution == 64)
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| 		return 64;
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| 		#elseif (rp_voxelgi_resolution == 32)
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| 		return 32;
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| 		#elseif (rp_voxelgi_resolution == 16)
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| 		return 16;
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| 		#else
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| 		return 0;
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| 		#end
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| 	}
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| 
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| 	public static inline function getVoxelResZ(): Float {
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| 		#if (rp_voxelgi_resolution_z == 1.0)
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| 		return 1.0;
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| 		#elseif (rp_voxelgi_resolution_z == 0.5)
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| 		return 0.5;
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| 		#elseif (rp_voxelgi_resolution_z == 0.25)
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| 		return 0.25;
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| 		#elseif (rp_voxelgi_resolution_z == 0.125)
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| 		return 0.125;
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| 		#else
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| 		return 0.0;
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| 		#end
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| 	}
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| 	#end
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| 
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| 	#if lnx_debug
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| 	public static var drawCalls = 0;
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| 	public static var batchBuckets = 0;
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| 	public static var batchCalls = 0;
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| 	public static var culled = 0;
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| 	public static var numTrisMesh = 0;
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| 	public static var numTrisShadow = 0;
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| 	#end
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| 
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| 	public static function setActive(renderPath: RenderPath) {
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| 		active = renderPath;
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| 	}
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| 
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| 	public function new() {}
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| 
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| 	public function renderFrame(g: Graphics) {
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| 		if (!ready || paused || iron.App.w() == 0 || iron.App.h() == 0) return;
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| 
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| 		if (lastW > 0 && (lastW != iron.App.w() || lastH != iron.App.h())) resize();
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| 		lastW = iron.App.w();
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| 		lastH = iron.App.h();
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| 
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| 		frameTime = Time.time() - lastFrameTime;
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| 		lastFrameTime = Time.time();
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| 
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| 		#if lnx_debug
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| 		drawCalls = 0;
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| 		batchBuckets = 0;
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| 		batchCalls = 0;
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| 		culled = 0;
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| 		numTrisMesh = 0;
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| 		numTrisShadow = 0;
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| 		#end
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| 
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| 		#if (rp_voxels != "Off")
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| 		clipmapLevel = (clipmapLevel + 1) % Main.voxelgiClipmapCount;
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| 		var clipmap = clipmaps[clipmapLevel];
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| 
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| 		clipmap.voxelSize = clipmaps[0].voxelSize * Math.pow(2.0, clipmapLevel);
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| 
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| 		var texelSize = 2.0 * clipmap.voxelSize;
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| 		var camera = iron.Scene.active.camera;
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| 		var center = new iron.math.Vec3(
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| 			Math.floor(camera.transform.worldx() / texelSize) * texelSize,
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| 			Math.floor(camera.transform.worldy() / texelSize) * texelSize,
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| 			Math.floor(camera.transform.worldz() / texelSize) * texelSize
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| 		);
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| 
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| 		clipmap.offset_prev.x = Std.int((clipmap.center.x - center.x) / texelSize);
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| 		clipmap.offset_prev.y = Std.int((clipmap.center.y - center.y) / texelSize);
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| 		clipmap.offset_prev.z = Std.int((clipmap.center.z - center.z) / texelSize);
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| 		clipmap.center = center;
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| 
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| 		var res = getVoxelRes();
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| 		var resZ = getVoxelResZ();
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| 		var extents = new iron.math.Vec3(clipmap.voxelSize * res, clipmap.voxelSize * res, clipmap.voxelSize * resZ);
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| 		if (clipmap.extents.x != extents.x || clipmap.extents.y != extents.y || clipmap.extents.z != extents.z)
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| 		{
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| 			pre_clear = true;
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| 		}
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| 		clipmap.extents = extents;
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| 		#end
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| 
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| 		// Render to screen or probe
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| 		var cam = Scene.active.camera;
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| 		isProbePlanar = cam != null && cam.renderTarget != null;
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| 		isProbeCube = cam != null && cam.renderTargetCube != null;
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| 		isProbe = isProbePlanar || isProbeCube;
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| 
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| 		if (isProbePlanar) frameG = cam.renderTarget.g4;
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| 		else if (isProbeCube) frameG = cam.renderTargetCube.g4;
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| 		else frameG = g;
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| 
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| 		currentW = iron.App.w();
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| 		currentH = iron.App.h();
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| 		currentD = 1;
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| 		currentFace = -1;
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| 		meshesSorted = false;
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| 
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| 		for (l in Scene.active.lights) {
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| 			if (l.visible) l.buildMatrix(Scene.active.camera);
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| 			if (l.data.raw.type == "sun") sun = l;
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| 			else point = l;
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| 		}
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| 		light = Scene.active.lights[0];
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| 
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| 		commands();
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| 
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| 		if (!isProbe) frame++;
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| 	}
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| 
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| 	public function setTarget(target: String, additional: Array<String> = null, viewportScale = 1.0) {
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| 		if (target == "") { // Framebuffer
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| 			currentD = 1;
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| 			currentTarget = null;
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| 			currentFace = -1;
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| 			if (isProbeCube) {
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| 				currentW = Scene.active.camera.renderTargetCube.width;
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| 				currentH = Scene.active.camera.renderTargetCube.height;
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| 				begin(frameG, Scene.active.camera.currentFace);
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| 			}
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| 			else { // Screen, planar probe
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| 				currentW = iron.App.w();
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| 				currentH = iron.App.h();
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| 				if (frameScissor) setFrameScissor();
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| 				begin(frameG);
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| 				if (!isProbe) {
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| 					setCurrentViewport(iron.App.w(), iron.App.h());
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| 					setCurrentScissor(iron.App.w(), iron.App.h());
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| 				}
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| 			}
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| 		}
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| 		else { // Render target
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| 			var rt = renderTargets.get(target);
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| 			currentTarget = rt;
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| 			var additionalImages: Array<kha.Canvas> = null;
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| 			if (additional != null) {
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| 				additionalImages = [];
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| 				for (s in additional) {
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| 					var t = renderTargets.get(s);
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| 					additionalImages.push(t.image);
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| 				}
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| 			}
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| 			var targetG = rt.isCubeMap ? rt.cubeMap.g4 : rt.image.g4;
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| 			currentW = rt.isCubeMap ? rt.cubeMap.width : rt.image.width;
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| 			currentH = rt.isCubeMap ? rt.cubeMap.height : rt.image.height;
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| 			if (rt.is3D) currentD = rt.image.depth;
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| 			begin(targetG, additionalImages, currentFace);
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| 		}
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| 		if (viewportScale != 1.0) {
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| 			viewportScaled = true;
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| 			var viewW = Std.int(currentW * viewportScale);
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| 			var viewH = Std.int(currentH * viewportScale);
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| 			currentG.viewport(0, viewH, viewW, viewH);
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| 			currentG.scissor(0, viewH, viewW, viewH);
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| 		}
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| 		else if (viewportScaled) { // Reset viewport
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| 			viewportScaled = false;
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| 			setCurrentViewport(currentW, currentH);
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| 			setCurrentScissor(currentW, currentH);
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| 		}
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| 		bindParams = null;
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| 	}
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| 
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| 	public function setDepthFrom(target: String, from: String) {
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| 		var rt = renderTargets.get(target);
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| 		rt.image.setDepthStencilFrom(renderTargets.get(from).image);
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| 	}
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| 
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| 	inline function begin(g: Graphics, additionalRenderTargets: Array<kha.Canvas> = null, face = -1) {
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| 		if (currentG != null) end();
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| 		currentG = g;
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| 		additionalTargets = additionalRenderTargets;
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| 		face >= 0 ? g.beginFace(face) : g.begin(additionalRenderTargets);
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| 	}
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| 
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| 	inline function end() {
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| 		if (scissorSet) {
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| 			currentG.disableScissor();
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| 			scissorSet = false;
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| 		}
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| 		currentG.end();
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| 		currentG = null;
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| 		bindParams = null;
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| 	}
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| 
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| 	public function setCurrentViewportWithOffset(viewW:Int, viewH:Int, offsetX: Int, offsetY: Int) {
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| 		currentG.viewport(iron.App.x() + offsetX, currentH - viewH + iron.App.y() - offsetY, viewW, viewH);
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| 	}
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| 
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| 	public function setCurrentViewport(viewW: Int, viewH: Int) {
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| 		currentG.viewport(iron.App.x(), currentH - (viewH - iron.App.y()), viewW, viewH);
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| 	}
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| 
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| 	public function setCurrentScissor(viewW: Int, viewH: Int) {
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| 		currentG.scissor(iron.App.x(), currentH - (viewH - iron.App.y()), viewW, viewH);
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| 		scissorSet = true;
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| 	}
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| 
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| 	public function setFrameScissor() {
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| 		frameG.scissor(frameScissorX, currentH - (frameScissorH - frameScissorY), frameScissorW, frameScissorH);
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| 	}
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| 
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| 	public function setViewport(viewW: Int, viewH: Int) {
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| 		setCurrentViewport(viewW, viewH);
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| 		setCurrentScissor(viewW, viewH);
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| 	}
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| 
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| 	public function clearTarget(colorFlag: Null<Int> = null, depthFlag: Null<Float> = null) {
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| 		if (colorFlag == -1) { // -1 == 0xffffffff
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| 			if (Scene.active.world != null) {
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| 				colorFlag = Scene.active.world.raw.background_color;
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| 			}
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| 			else if (Scene.active.camera != null) {
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| 				var cc = Scene.active.camera.data.raw.clear_color;
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| 				if (cc != null) colorFlag = kha.Color.fromFloats(cc[0], cc[1], cc[2]);
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| 			}
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| 		}
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| 		currentG.clear(colorFlag, depthFlag, null);
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| 	}
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| 
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| 	public function clearImage(target: String, color: Int) {
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| 		var rt = renderTargets.get(target);
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| 		rt.image.clear(0, 0, 0, rt.image.width, rt.image.height, rt.image.depth, color);
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| 	}
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| 
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| 	public function generateMipmaps(target: String) {
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| 		var rt = renderTargets.get(target);
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| 		rt.image.generateMipmaps(1000);
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| 	}
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| 
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| 	static inline function boolToInt(b: Bool): Int {
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| 		return b ? 1 : 0;
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| 	}
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| 
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| 	public static function sortMeshesDistance(meshes: Array<MeshObject>) {
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| 		meshes.sort(function(a, b): Int {
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| 			#if rp_depth_texture
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| 			var depthDiff = boolToInt(a.depthRead) - boolToInt(b.depthRead);
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| 			if (depthDiff != 0) return depthDiff;
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| 			#end
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| 
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| 			return a.cameraDistance >= b.cameraDistance ? 1 : -1;
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| 		});
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| 	}
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| 
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| 	public static function sortMeshesShader(meshes: Array<MeshObject>) {
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| 		meshes.sort(function(a, b): Int {
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| 			#if rp_depth_texture
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| 			var depthDiff = boolToInt(a.depthRead) - boolToInt(b.depthRead);
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| 			if (depthDiff != 0) return depthDiff;
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| 			#end
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| 
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| 			return a.materials[0].name >= b.materials[0].name ? 1 : -1;
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| 		});
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| 	}
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| 
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| 	public function drawMeshes(context: String) {
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| 		var isShadows = context == "shadowmap";
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| 		if (isShadows) {
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| 			// Disabled shadow casting for this light
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| 			if (light == null || !light.data.raw.cast_shadow || !light.visible || light.data.raw.strength == 0) return;
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| 		}
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| 		// Single face attached
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| 		if (currentFace >= 0 && light != null) light.setCubeFace(currentFace, Scene.active.camera);
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| 
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| 		var drawn = false;
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| 
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| 		#if lnx_csm
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| 		if (isShadows && light.data.raw.type == "sun") {
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| 			var step = currentH; // Atlas with tiles on x axis
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| 			for (i in 0...LightObject.cascadeCount) {
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| 				light.setCascade(Scene.active.camera, i);
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| 				currentG.viewport(i * step, 0, step, step);
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| 				submitDraw(context);
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| 			}
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| 			drawn = true;
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| 		}
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| 		#end
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| 
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| 		#if lnx_clusters
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| 		if (context == "mesh") LightObject.updateClusters(Scene.active.camera);
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| 		#end
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| 
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| 		if (!drawn) submitDraw(context);
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| 
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| 		#if lnx_debug
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| 		// Callbacks to specific context
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| 		if (contextEvents != null) {
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| 			var ar = contextEvents.get(context);
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| 			if (ar != null) for (i in 0...ar.length) ar[i](currentG, i, ar.length);
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| 		}
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| 		#end
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| 
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| 		end();
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| 	}
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| 
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| 	@:access(iron.object.MeshObject)
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| 	function submitDraw(context: String) {
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| 		var camera = Scene.active.camera;
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| 		var meshes = Scene.active.meshes;
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| 		MeshObject.lastPipeline = null;
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| 
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| 		if (!meshesSorted && camera != null) { // Order max once per frame for now
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| 			var camX = camera.transform.worldx();
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| 			var camY = camera.transform.worldy();
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| 			var camZ = camera.transform.worldz();
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| 			for (mesh in meshes) {
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| 				mesh.computeCameraDistance(camX, camY, camZ);
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| 				mesh.computeDepthRead();
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| 			}
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| 			#if lnx_batch
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| 			sortMeshesDistance(Scene.active.meshBatch.nonBatched);
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| 			#else
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| 			drawOrder == DrawOrder.Shader ? sortMeshesShader(meshes) : sortMeshesDistance(meshes);
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| 			#end
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| 			meshesSorted = true;
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| 		}
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| 
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| 		#if lnx_batch
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| 		Scene.active.meshBatch.render(currentG, context, bindParams);
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| 		#else
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| 		inline meshRenderLoop(currentG, context, bindParams, meshes);
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| 		#end
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| 	}
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| 
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| 	static inline function meshRenderLoop(g: Graphics, context: String, _bindParams: Array<String>, _meshes: Array<MeshObject>) {
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| 		var isReadingDepth = false;
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| 
 | |
| 		for (m in _meshes) {
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| 			#if rp_depth_texture
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| 				// First mesh that reads depth
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| 				if (!isReadingDepth && m.depthRead) {
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| 					if (context == "mesh") {
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| 						// Copy the depth buffer so that we can read from it while writing
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| 						active.setupDepthTexture();
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| 					}
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| 					#if rp_depthprepass
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| 					else if (context == "depth") {
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| 						// Don't render in depth prepass
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| 						break;
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| 					}
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| 					#end
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| 
 | |
| 					isReadingDepth = true;
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| 				}
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| 			#end
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| 
 | |
| 			m.render(g, context, _bindParams);
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| 		}
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| 	}
 | |
| 
 | |
| 	#if lnx_debug
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| 	static var contextEvents: Map<String, Array<Graphics->Int->Int->Void>> = null;
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| 	public static function notifyOnContext(name: String, onContext: Graphics->Int->Int->Void) {
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| 		if (contextEvents == null) contextEvents = new Map();
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| 		var ar = contextEvents.get(name);
 | |
| 		if (ar == null) {
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| 			ar = [];
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| 			contextEvents.set(name, ar);
 | |
| 		}
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| 		ar.push(onContext);
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| 	}
 | |
| 	#end
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| 
 | |
| 	#if rp_decals
 | |
| 	public function drawDecals(context: String) {
 | |
| 		if (ConstData.boxVB == null) ConstData.createBoxData();
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| 		for (decal in Scene.active.decals) {
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| 			decal.render(currentG, context, bindParams);
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| 		}
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| 		end();
 | |
| 	}
 | |
| 	#end
 | |
| 
 | |
| 	public function drawSkydome(handle: String) {
 | |
| 		if (ConstData.skydomeVB == null) ConstData.createSkydomeData();
 | |
| 		var cc: CachedShaderContext = cachedShaderContexts.get(handle);
 | |
| 		if (cc.context == null) return; // World data not specified
 | |
| 		currentG.setPipeline(cc.context.pipeState);
 | |
| 		Uniforms.setContextConstants(currentG, cc.context, bindParams);
 | |
| 		Uniforms.setObjectConstants(currentG, cc.context, null); // External hosek
 | |
| 		#if lnx_deinterleaved
 | |
| 		currentG.setVertexBuffers(ConstData.skydomeVB);
 | |
| 		#else
 | |
| 		currentG.setVertexBuffer(ConstData.skydomeVB);
 | |
| 		#end
 | |
| 		currentG.setIndexBuffer(ConstData.skydomeIB);
 | |
| 		currentG.drawIndexedVertices();
 | |
| 		end();
 | |
| 	}
 | |
| 
 | |
| 	#if rp_probes
 | |
| 	public function drawVolume(object: Object, handle: String) {
 | |
| 		if (ConstData.boxVB == null) ConstData.createBoxData();
 | |
| 		var cc: CachedShaderContext = cachedShaderContexts.get(handle);
 | |
| 		currentG.setPipeline(cc.context.pipeState);
 | |
| 		Uniforms.setContextConstants(currentG, cc.context, bindParams);
 | |
| 		Uniforms.setObjectConstants(currentG, cc.context, object);
 | |
| 		currentG.setVertexBuffer(ConstData.boxVB);
 | |
| 		currentG.setIndexBuffer(ConstData.boxIB);
 | |
| 		currentG.drawIndexedVertices();
 | |
| 		end();
 | |
| 	}
 | |
| 	#end
 | |
| 
 | |
| 	public function bindTarget(target: String, uniform: String) {
 | |
| 		if (bindParams != null) {
 | |
| 			bindParams.push(target);
 | |
| 			bindParams.push(uniform);
 | |
| 		}
 | |
| 		else bindParams = [target, uniform];
 | |
| 	}
 | |
| 
 | |
| 	// Full-screen triangle
 | |
| 	public function drawShader(handle: String) {
 | |
| 		// file/data_name/context
 | |
| 		var cc: CachedShaderContext = cachedShaderContexts.get(handle);
 | |
| 		if (ConstData.screenAlignedVB == null) ConstData.createScreenAlignedData();
 | |
| 		currentG.setPipeline(cc.context.pipeState);
 | |
| 		Uniforms.setContextConstants(currentG, cc.context, bindParams);
 | |
| 		Uniforms.setObjectConstants(currentG, cc.context, null);
 | |
| 		currentG.setVertexBuffer(ConstData.screenAlignedVB);
 | |
| 		currentG.setIndexBuffer(ConstData.screenAlignedIB);
 | |
| 		currentG.drawIndexedVertices();
 | |
| 
 | |
| 		end();
 | |
| 	}
 | |
| 
 | |
| 	public function getComputeShader(handle: String): kha.compute.Shader {
 | |
| 		return Reflect.field(kha.Shaders, handle + "_comp");
 | |
| 	}
 | |
| 
 | |
| 	#if (kha_krom && lnx_vr)
 | |
| 	public function drawStereo(drawMeshes: Int->Void) {
 | |
| 		for (eye in 0...2) {
 | |
| 			Krom.vrBeginRender(eye);
 | |
| 			drawMeshes(eye);
 | |
| 			Krom.vrEndRender(eye);
 | |
| 		}
 | |
| 	}
 | |
| 	#end
 | |
| 
 | |
| 	public function loadShader(handle: String) {
 | |
| 		loading++;
 | |
| 		var cc: CachedShaderContext = cachedShaderContexts.get(handle);
 | |
| 		if (cc != null) {
 | |
| 			loading--;
 | |
| 			return;
 | |
| 		}
 | |
| 
 | |
| 		cc = new CachedShaderContext();
 | |
| 		cachedShaderContexts.set(handle, cc);
 | |
| 
 | |
| 		// file/data_name/context
 | |
| 		var shaderPath = handle.split("/");
 | |
| 
 | |
| 		#if lnx_json
 | |
| 		shaderPath[0] += ".json";
 | |
| 		#end
 | |
| 
 | |
| 		Data.getShader(shaderPath[0], shaderPath[1], function(res: ShaderData) {
 | |
| 			cc.context = res.getContext(shaderPath[2]);
 | |
| 			loading--;
 | |
| 		});
 | |
| 	}
 | |
| 
 | |
| 	public function unloadShader(handle: String) {
 | |
| 		cachedShaderContexts.remove(handle);
 | |
| 
 | |
| 		// file/data_name/context
 | |
| 		var shaderPath = handle.split("/");
 | |
| 		// Todo: Handle context overrides (see Data.getShader())
 | |
| 		Data.cachedShaders.remove(shaderPath[1]);
 | |
| 	}
 | |
| 
 | |
| 	public function unload() {
 | |
| 		for (rt in renderTargets) rt.unload();
 | |
| 	}
 | |
| 
 | |
| 	public function resize() {
 | |
| 		if (kha.System.windowWidth() == 0 || kha.System.windowHeight() == 0) return;
 | |
| 
 | |
| 		// Make sure depth buffer is attached to single target only and gets released once
 | |
| 		for (rt in renderTargets) {
 | |
| 			if (rt == null ||
 | |
| 				rt.raw.width > 0 ||
 | |
| 				rt.depthStencilFrom == "" ||
 | |
| 				rt == depthToRenderTarget.get(rt.depthStencilFrom)) {
 | |
| 				continue;
 | |
| 			}
 | |
| 
 | |
| 			var nodepth: RenderTarget = null;
 | |
| 			for (rt2 in renderTargets) {
 | |
| 				if (rt2 == null ||
 | |
| 					rt2.raw.width > 0 ||
 | |
| 					rt2.depthStencilFrom != "" ||
 | |
| 					depthToRenderTarget.get(rt2.raw.depth_buffer) != null ||
 | |
| 					rt2.raw.is_image == true) {
 | |
| 					continue;
 | |
| 				}
 | |
| 
 | |
| 				nodepth = rt2;
 | |
| 				break;
 | |
| 			}
 | |
| 
 | |
| 			if (nodepth != null) {
 | |
| 				rt.image.setDepthStencilFrom(nodepth.image);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		// Resize textures
 | |
| 		for (rt in renderTargets) {
 | |
| 			if (rt != null && rt.raw.width == 0) {
 | |
| 				App.notifyOnInit(rt.image.unload);
 | |
| 				rt.image = createImage(rt.raw, rt.depthStencil);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		// Attach depth buffers
 | |
| 		for (rt in renderTargets) {
 | |
| 			if (rt != null && rt.depthStencilFrom != "") {
 | |
| 				rt.image.setDepthStencilFrom(depthToRenderTarget.get(rt.depthStencilFrom).image);
 | |
| 			}
 | |
| 		}
 | |
| 
 | |
| 		#if (rp_voxels != "Off")
 | |
| 		res_pre_clear = true;
 | |
| 		#end
 | |
| 	}
 | |
| 
 | |
| 	public function createRenderTarget(t: RenderTargetRaw): RenderTarget {
 | |
| 		var rt = createTarget(t);
 | |
| 		renderTargets.set(t.name, rt);
 | |
| 		return rt;
 | |
| 	}
 | |
| 
 | |
| 	public function createDepthBuffer(name: String, format: String = null) {
 | |
| 		depthBuffers.push({ name: name, format: format });
 | |
| 	}
 | |
| 
 | |
| 	function createTarget(t: RenderTargetRaw): RenderTarget {
 | |
| 		var rt = new RenderTarget(t);
 | |
| 		// With depth buffer
 | |
| 		if (t.depth_buffer != null) {
 | |
| 			rt.hasDepth = true;
 | |
| 			var depthTarget = depthToRenderTarget.get(t.depth_buffer);
 | |
| 
 | |
| 			if (depthTarget == null) { // Create new one
 | |
| 				for (db in depthBuffers) {
 | |
| 					if (db.name == t.depth_buffer) {
 | |
| 						depthToRenderTarget.set(db.name, rt);
 | |
| 						rt.depthStencil = getDepthStencilFormat(db.format);
 | |
| 						rt.image = createImage(t, rt.depthStencil);
 | |
| 						break;
 | |
| 					}
 | |
| 				}
 | |
| 			}
 | |
| 			else { // Reuse
 | |
| 				rt.depthStencil = DepthStencilFormat.NoDepthAndStencil;
 | |
| 				rt.depthStencilFrom = t.depth_buffer;
 | |
| 				rt.image = createImage(t, rt.depthStencil);
 | |
| 				rt.image.setDepthStencilFrom(depthTarget.image);
 | |
| 			}
 | |
| 		}
 | |
| 		else { // No depth buffer
 | |
| 			rt.hasDepth = false;
 | |
| 			if (t.depth != null && t.depth > 1) rt.is3D = true;
 | |
| 			if (t.is_cubemap) {
 | |
| 				rt.isCubeMap = true;
 | |
| 				rt.depthStencil = DepthStencilFormat.NoDepthAndStencil;
 | |
| 				rt.cubeMap = createCubeMap(t, rt.depthStencil);
 | |
| 			}
 | |
| 			else {
 | |
| 				rt.depthStencil = DepthStencilFormat.NoDepthAndStencil;
 | |
| 				rt.image = createImage(t, rt.depthStencil);
 | |
| 			}
 | |
| 		}
 | |
| 		return rt;
 | |
| 	}
 | |
| 
 | |
| 	function createImage(t: RenderTargetRaw, depthStencil: DepthStencilFormat): Image {
 | |
| 		var width = t.width == 0 ? iron.App.w() : t.width;
 | |
| 		var height = t.height == 0 ? iron.App.h() : t.height;
 | |
| 		var depth = t.depth != null ? t.depth : 0;
 | |
| 		if (t.displayp != null) { // 1080p/..
 | |
| 			if (width > height) {
 | |
| 				width = Std.int(width * (t.displayp / height));
 | |
| 				height = t.displayp;
 | |
| 			}
 | |
| 			else {
 | |
| 				height = Std.int(height * (t.displayp / width));
 | |
| 				width = t.displayp;
 | |
| 			}
 | |
| 		}
 | |
| 		if (t.scale != null) {
 | |
| 			width = Std.int(width * t.scale);
 | |
| 			height = Std.int(height * t.scale);
 | |
| 			depth = Std.int(depth * t.scale);
 | |
| 		}
 | |
| 		if (width < 1) width = 1;
 | |
| 		if (height < 1) height = 1;
 | |
| 		if (t.depth != null && t.depth > 1) { // 3D texture
 | |
| 			// Image only
 | |
| 			var img = Image.create3D(width, height, depth,
 | |
| 				t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32);
 | |
| 			if (t.mipmaps)
 | |
| 				img.generateMipmaps(1000); // Allocate mipmaps
 | |
| 			return img;
 | |
| 		}
 | |
| 		else { // 2D texture
 | |
| 			if (t.is_image != null && t.is_image) { // Image
 | |
| 				var img = Image.create(width, height,
 | |
| 					t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32);
 | |
| 				if (t.mipmaps)
 | |
| 					img.generateMipmaps(1000); // Allocate mipmaps
 | |
| 				return img;
 | |
| 			}
 | |
| 			else { // Render target
 | |
| 				return Image.createRenderTarget(width, height,
 | |
| 					t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32,
 | |
| 					depthStencil);
 | |
| 			}
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	function createCubeMap(t: RenderTargetRaw, depthStencil: DepthStencilFormat): CubeMap {
 | |
| 		return CubeMap.createRenderTarget(t.width,
 | |
| 			t.format != null ? getTextureFormat(t.format) : TextureFormat.RGBA32,
 | |
| 			depthStencil);
 | |
| 	}
 | |
| 
 | |
| 	inline function getTextureFormat(s: String): TextureFormat {
 | |
| 		switch (s) {
 | |
| 			case "RGBA32": return TextureFormat.RGBA32;
 | |
| 			case "RGBA64": return TextureFormat.RGBA64;
 | |
| 			case "RGBA128": return TextureFormat.RGBA128;
 | |
| 			case "DEPTH16": return TextureFormat.DEPTH16;
 | |
| 			case "R32": return TextureFormat.A32;
 | |
| 			case "R16": return TextureFormat.A16;
 | |
| 			case "R8": return TextureFormat.L8;
 | |
| 			default: return TextureFormat.RGBA32;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	inline function getDepthStencilFormat(s: String): DepthStencilFormat {
 | |
| 		if (s == null || s == "") return DepthStencilFormat.DepthOnly;
 | |
| 		switch (s) {
 | |
| 			case "DEPTH24": return DepthStencilFormat.DepthOnly;
 | |
| 			case "DEPTH16": return DepthStencilFormat.Depth16;
 | |
| 			default: return DepthStencilFormat.DepthOnly;
 | |
| 		}
 | |
| 	}
 | |
| 
 | |
| 	#if lnx_shadowmap_atlas
 | |
| 	// Allow setting a target with manual end() calling, this is to render multiple times to the same image (atlas)
 | |
| 	// TODO: allow manual end() calling in existing functions to prevent duplicated code
 | |
| 	public function setTargetStream(target:String, additional:Array<String> = null, viewportScale = 1.0) {
 | |
| 		if (target == "") { // Framebuffer
 | |
| 			currentD = 1;
 | |
| 			currentTarget = null;
 | |
| 			currentFace = -1;
 | |
| 			if (isProbeCube) {
 | |
| 				currentW = Scene.active.camera.renderTargetCube.width;
 | |
| 				currentH = Scene.active.camera.renderTargetCube.height;
 | |
| 				beginStream(frameG, Scene.active.camera.currentFace);
 | |
| 			}
 | |
| 			else { // Screen, planar probe
 | |
| 				currentW = iron.App.w();
 | |
| 				currentH = iron.App.h();
 | |
| 				if (frameScissor) {
 | |
| 					setFrameScissor();
 | |
| 				}
 | |
| 				beginStream(frameG);
 | |
| 				if (!isProbe) {
 | |
| 					setCurrentViewport(iron.App.w(), iron.App.h());
 | |
| 					setCurrentScissor(iron.App.w(), iron.App.h());
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		else { // Render target
 | |
| 			var rt = renderTargets.get(target);
 | |
| 			currentTarget = rt;
 | |
| 			var additionalImages:Array<kha.Canvas> = null;
 | |
| 			if (additional != null) {
 | |
| 				additionalImages = [];
 | |
| 				for (s in additional) {
 | |
| 					var t = renderTargets.get(s);
 | |
| 					additionalImages.push(t.image);
 | |
| 				}
 | |
| 			}
 | |
| 			var targetG = rt.isCubeMap ? rt.cubeMap.g4 : rt.image.g4;
 | |
| 			currentW = rt.isCubeMap ? rt.cubeMap.width : rt.image.width;
 | |
| 			currentH = rt.isCubeMap ? rt.cubeMap.height : rt.image.height;
 | |
| 			if (rt.is3D) {
 | |
| 				currentD = rt.image.depth;
 | |
| 			}
 | |
| 			beginStream(targetG, additionalImages, currentFace);
 | |
| 		}
 | |
| 		if (viewportScale != 1.0) {
 | |
| 			viewportScaled = true;
 | |
| 			var viewW = Std.int(currentW * viewportScale);
 | |
| 			var viewH = Std.int(currentH * viewportScale);
 | |
| 			currentG.viewport(0, viewH, viewW, viewH);
 | |
| 			currentG.scissor(0, viewH, viewW, viewH);
 | |
| 		}
 | |
| 		else if (viewportScaled) { // Reset viewport
 | |
| 			viewportScaled = false;
 | |
| 			setCurrentViewport(currentW, currentH);
 | |
| 			setCurrentScissor(currentW, currentH);
 | |
| 		}
 | |
| 		bindParams = null;
 | |
| 	}
 | |
| 
 | |
| 	inline function beginStream(g:Graphics, additionalRenderTargets:Array<kha.Canvas> = null, face = -1) {
 | |
| 		currentG = g;
 | |
| 		additionalTargets = additionalRenderTargets;
 | |
| 		face >= 0 ? g.beginFace(face) : g.begin(additionalRenderTargets);
 | |
| 	}
 | |
| 
 | |
| 	public function endStream() {
 | |
| 		if (scissorSet) {
 | |
| 			currentG.disableScissor();
 | |
| 			scissorSet = false;
 | |
| 		}
 | |
| 		currentG.end();
 | |
| 		currentG = null;
 | |
| 		bindParams = null;
 | |
| 	}
 | |
| 
 | |
| 	public function drawMeshesStream(context:String) {
 | |
| 		// Single face attached
 | |
| 		if (currentFace >= 0 && light != null) {
 | |
| 			light.setCubeFace(currentFace, Scene.active.camera);
 | |
| 		}
 | |
| 
 | |
| 		#if lnx_clusters
 | |
| 		if (context == "mesh") {
 | |
| 			LightObject.updateClusters(Scene.active.camera);
 | |
| 		}
 | |
| 		#end
 | |
| 
 | |
| 		submitDraw(context);
 | |
| 
 | |
| 		#if lnx_debug
 | |
| 		// Callbacks to specific context
 | |
| 		if (contextEvents != null) {
 | |
| 			var ar = contextEvents.get(context);
 | |
| 			if (ar != null) {
 | |
| 				for (i in 0...ar.length) {
 | |
| 					ar[i](currentG, i, ar.length);
 | |
| 				}
 | |
| 			}
 | |
| 		}
 | |
| 		#end
 | |
| 	}
 | |
| 	#end // lnx_shadowmap_atlas
 | |
| }
 | |
| 
 | |
| class RenderTargetRaw {
 | |
| 	public var name: String;
 | |
| 	public var width: Int;
 | |
| 	public var height: Int;
 | |
| 	public var format: String = null;
 | |
| 	public var scale: Null<Float> = null;
 | |
| 	public var displayp: Null<Int> = null; // Set to 1080p/...
 | |
| 	public var depth_buffer: String = null; // 2D texture
 | |
| 	public var mipmaps: Null<Bool> = null;
 | |
| 	public var depth: Null<Int> = null; // 3D texture
 | |
| 	public var is_image: Null<Bool> = null; // Image
 | |
| 	public var is_cubemap: Null<Bool> = null; // Cubemap
 | |
| 	public function new() {}
 | |
| }
 | |
| 
 | |
| class RenderTarget {
 | |
| 	public var raw: RenderTargetRaw;
 | |
| 	public var depthStencil: DepthStencilFormat;
 | |
| 	public var depthStencilFrom = "";
 | |
| 	public var image: Image = null; // RT or image
 | |
| 	public var cubeMap: CubeMap = null;
 | |
| 	public var hasDepth = false;
 | |
| 	public var is3D = false; // sampler2D / sampler3D
 | |
| 	public var isCubeMap = false;
 | |
| 	public function new(raw: RenderTargetRaw) { this.raw = raw; }
 | |
| 	public function unload() {
 | |
| 		if (image != null) image.unload();
 | |
| 		if (cubeMap != null) cubeMap.unload();
 | |
| 	}
 | |
| }
 | |
| 
 | |
| class CachedShaderContext {
 | |
| 	public var context: ShaderContext;
 | |
| 	public function new() {}
 | |
| }
 | |
| 
 | |
| @:enum abstract DrawOrder(Int) from Int {
 | |
| 	var Distance = 0; // Early-z
 | |
| 	var Shader = 1; // Less state changes
 | |
| 	// var Mix = 2; // Distance buckets sorted by shader
 | |
| }
 |