testss
This commit is contained in:
@@ -0,0 +1,154 @@
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using Unity.Mathematics;
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using UnityEngine.Rendering;
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namespace UnityEngine.Experimental.Rendering.Universal
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{
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internal struct LayerBatch
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{
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public int startLayerID;
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public int endLayerValue;
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public SortingLayerRange layerRange;
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public LightStats lightStats;
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private unsafe fixed int renderTargetIds[4];
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private unsafe fixed bool renderTargetUsed[4];
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public void InitRTIds(int index)
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{
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for (var i = 0; i < 4; i++)
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{
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unsafe
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{
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renderTargetUsed[i] = false;
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renderTargetIds[i] = Shader.PropertyToID($"_LightTexture_{index}_{i}");
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}
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}
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}
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public RenderTargetIdentifier GetRTId(CommandBuffer cmd, RenderTextureDescriptor desc, int index)
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{
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unsafe
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{
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if (!renderTargetUsed[index])
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{
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cmd.GetTemporaryRT(renderTargetIds[index], desc, FilterMode.Bilinear);
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renderTargetUsed[index] = true;
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}
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return new RenderTargetIdentifier(renderTargetIds[index]);
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}
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}
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public void ReleaseRT(CommandBuffer cmd)
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{
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for (var i = 0; i < 4; i++)
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{
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unsafe
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{
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if (!renderTargetUsed[i])
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continue;
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cmd.ReleaseTemporaryRT(renderTargetIds[i]);
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renderTargetUsed[i] = false;
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}
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}
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}
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}
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internal static class LayerUtility
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{
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private static LayerBatch[] s_LayerBatches;
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public static uint maxTextureCount { get; private set; }
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public static void InitializeBudget(uint maxTextureCount)
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{
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LayerUtility.maxTextureCount = math.max(4, maxTextureCount);
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}
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private static bool CanBatchLightsInLayer(int layerIndex1, int layerIndex2, SortingLayer[] sortingLayers, ILight2DCullResult lightCullResult)
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{
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var layerId1 = sortingLayers[layerIndex1].id;
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var layerId2 = sortingLayers[layerIndex2].id;
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foreach (var light in lightCullResult.visibleLights)
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{
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// If the lit layers are different, or if they are lit but this is a shadow casting light then don't batch.
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if ((light.IsLitLayer(layerId1) != light.IsLitLayer(layerId2)) || (light.IsLitLayer(layerId1) && light.shadowsEnabled))
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return false;
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}
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return true;
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}
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private static int FindUpperBoundInBatch(int startLayerIndex, SortingLayer[] sortingLayers, ILight2DCullResult lightCullResult)
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{
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// start checking at the next layer
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for (var i = startLayerIndex + 1; i < sortingLayers.Length; i++)
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{
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if (!CanBatchLightsInLayer(startLayerIndex, i, sortingLayers, lightCullResult))
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return i - 1;
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}
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return sortingLayers.Length - 1;
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}
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private static void InitializeBatchInfos(SortingLayer[] cachedSortingLayers)
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{
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var count = cachedSortingLayers.Length;
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var needInit = s_LayerBatches == null;
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if (s_LayerBatches is null)
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{
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s_LayerBatches = new LayerBatch[count];
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}
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#if UNITY_EDITOR
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// we should fix. Make a non allocating version of this
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if (!Application.isPlaying && s_LayerBatches.Length != count)
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{
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s_LayerBatches = new LayerBatch[count];
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needInit = true;
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}
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#endif
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if (needInit)
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{
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for (var i = 0; i < s_LayerBatches.Length; i++)
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{
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ref var layerBatch = ref s_LayerBatches[i];
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layerBatch.InitRTIds(i);
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}
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}
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}
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public static LayerBatch[] CalculateBatches(ILight2DCullResult lightCullResult, out int batchCount)
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{
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var cachedSortingLayers = Light2DManager.GetCachedSortingLayer();
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InitializeBatchInfos(cachedSortingLayers);
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batchCount = 0;
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for (var i = 0; i < cachedSortingLayers.Length;)
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{
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var layerToRender = cachedSortingLayers[i].id;
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var lightStats = lightCullResult.GetLightStatsByLayer(layerToRender);
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ref var layerBatch = ref s_LayerBatches[batchCount++];
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// Find the highest layer that share the same set of lights as this layer.
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var upperLayerInBatch = FindUpperBoundInBatch(i, cachedSortingLayers, lightCullResult);
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// Some renderers override their sorting layer value with short.MinValue or short.MaxValue.
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// When drawing the first sorting layer, we should include the range from short.MinValue to layerValue.
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// Similarly, when drawing the last sorting layer, include the range from layerValue to short.MaxValue.
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var startLayerValue = (short)cachedSortingLayers[i].value;
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var lowerBound = (i == 0) ? short.MinValue : startLayerValue;
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var endLayerValue = (short)cachedSortingLayers[upperLayerInBatch].value;
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var upperBound = (upperLayerInBatch == cachedSortingLayers.Length - 1) ? short.MaxValue : endLayerValue;
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// Renderer within this range share the same set of lights so they should be rendered together.
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var sortingLayerRange = new SortingLayerRange(lowerBound, upperBound);
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layerBatch.startLayerID = layerToRender;
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layerBatch.endLayerValue = endLayerValue;
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layerBatch.layerRange = sortingLayerRange;
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layerBatch.lightStats = lightStats;
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i = upperLayerInBatch + 1;
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}
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return s_LayerBatches;
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}
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}
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}
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@@ -0,0 +1,96 @@
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using UnityEngine.Rendering.Universal;
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namespace UnityEngine.Experimental.Rendering.Universal
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{
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internal static class Light2DLookupTexture
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{
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private static Texture2D s_PointLightLookupTexture;
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private static Texture2D s_FalloffLookupTexture;
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public static Texture GetLightLookupTexture()
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{
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if (s_PointLightLookupTexture == null)
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s_PointLightLookupTexture = CreatePointLightLookupTexture();
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return s_PointLightLookupTexture;
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}
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private static Texture2D CreatePointLightLookupTexture()
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{
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const int WIDTH = 256;
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const int HEIGHT = 256;
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var textureFormat = GraphicsFormat.R8G8B8A8_UNorm;
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if (RenderingUtils.SupportsGraphicsFormat(GraphicsFormat.R16G16B16A16_SFloat, FormatUsage.SetPixels))
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textureFormat = GraphicsFormat.R16G16B16A16_SFloat;
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else if (RenderingUtils.SupportsGraphicsFormat(GraphicsFormat.R32G32B32A32_SFloat, FormatUsage.SetPixels))
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textureFormat = GraphicsFormat.R32G32B32A32_SFloat;
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var texture = new Texture2D(WIDTH, HEIGHT, textureFormat, TextureCreationFlags.None);
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texture.filterMode = FilterMode.Bilinear;
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texture.wrapMode = TextureWrapMode.Clamp;
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var center = new Vector2(WIDTH / 2.0f, HEIGHT / 2.0f);
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for (var y = 0; y < HEIGHT; y++)
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{
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for (var x = 0; x < WIDTH; x++)
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{
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var pos = new Vector2(x, y);
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var distance = Vector2.Distance(pos, center);
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var relPos = pos - center;
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var direction = center - pos;
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direction.Normalize();
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// red = 1-0 distance
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// green = 1-0 angle
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// blue = direction.x
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// alpha = direction.y
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float red;
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if (x == WIDTH - 1 || y == HEIGHT - 1)
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red = 0;
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else
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red = Mathf.Clamp(1 - (2.0f * distance / WIDTH), 0.0f, 1.0f);
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var cosAngle = Vector2.Dot(Vector2.down, relPos.normalized);
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var angle = Mathf.Acos(cosAngle) / Mathf.PI; // 0-1
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var green = Mathf.Clamp(1 - angle, 0.0f, 1.0f);
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var blue = direction.x;
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var alpha = direction.y;
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var color = new Color(red, green, blue, alpha);
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texture.SetPixel(x, y, color);
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}
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}
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texture.Apply();
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return texture;
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}
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//#if UNITY_EDITOR
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// [MenuItem("Light2D Debugging/Write Light Texture")]
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// static public void WriteLightTexture()
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// {
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// var path = EditorUtility.SaveFilePanel("Save texture as PNG", "", "LightLookupTexture.exr", "png");
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// CreatePointLightLookupTexture();
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// byte[] imgData = s_PointLightLookupTexture.EncodeToEXR(Texture2D.EXRFlags.CompressRLE);
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// if (imgData != null)
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// File.WriteAllBytes(path, imgData);
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// }
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// [MenuItem("Light2D Debugging/Write Falloff Texture")]
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// static public void WriteCurveTexture()
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// {
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// var path = EditorUtility.SaveFilePanel("Save texture as PNG", "", "FalloffLookupTexture.png", "png");
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// CreateFalloffLookupTexture();
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// byte[] imgData = s_FalloffLookupTexture.EncodeToPNG();
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// if (imgData != null)
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// File.WriteAllBytes(path, imgData);
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// }
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//#endif
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}
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}
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@@ -0,0 +1,615 @@
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using System.Collections.Generic;
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using UnityEngine.Rendering;
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using UnityEngine.Rendering.Universal;
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namespace UnityEngine.Experimental.Rendering.Universal
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{
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internal static class RendererLighting
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{
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private static readonly ProfilingSampler m_ProfilingSampler = new ProfilingSampler("Draw Normals");
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private static readonly ShaderTagId k_NormalsRenderingPassName = new ShaderTagId("NormalsRendering");
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private static readonly Color k_NormalClearColor = new Color(0.5f, 0.5f, 0.5f, 1.0f);
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private static readonly string k_SpriteLightKeyword = "SPRITE_LIGHT";
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private static readonly string k_UsePointLightCookiesKeyword = "USE_POINT_LIGHT_COOKIES";
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private static readonly string k_LightQualityFastKeyword = "LIGHT_QUALITY_FAST";
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private static readonly string k_UseNormalMap = "USE_NORMAL_MAP";
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private static readonly string k_UseAdditiveBlendingKeyword = "USE_ADDITIVE_BLENDING";
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private static readonly string[] k_UseBlendStyleKeywords =
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{
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"USE_SHAPE_LIGHT_TYPE_0", "USE_SHAPE_LIGHT_TYPE_1", "USE_SHAPE_LIGHT_TYPE_2", "USE_SHAPE_LIGHT_TYPE_3"
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};
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private static readonly int[] k_BlendFactorsPropIDs =
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{
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Shader.PropertyToID("_ShapeLightBlendFactors0"),
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Shader.PropertyToID("_ShapeLightBlendFactors1"),
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Shader.PropertyToID("_ShapeLightBlendFactors2"),
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Shader.PropertyToID("_ShapeLightBlendFactors3")
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};
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private static readonly int[] k_MaskFilterPropIDs =
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{
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Shader.PropertyToID("_ShapeLightMaskFilter0"),
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Shader.PropertyToID("_ShapeLightMaskFilter1"),
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Shader.PropertyToID("_ShapeLightMaskFilter2"),
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Shader.PropertyToID("_ShapeLightMaskFilter3")
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};
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private static readonly int[] k_InvertedFilterPropIDs =
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{
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Shader.PropertyToID("_ShapeLightInvertedFilter0"),
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Shader.PropertyToID("_ShapeLightInvertedFilter1"),
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Shader.PropertyToID("_ShapeLightInvertedFilter2"),
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Shader.PropertyToID("_ShapeLightInvertedFilter3")
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};
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private static GraphicsFormat s_RenderTextureFormatToUse = GraphicsFormat.R8G8B8A8_UNorm;
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private static bool s_HasSetupRenderTextureFormatToUse;
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private static readonly int k_SrcBlendID = Shader.PropertyToID("_SrcBlend");
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private static readonly int k_DstBlendID = Shader.PropertyToID("_DstBlend");
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private static readonly int k_FalloffIntensityID = Shader.PropertyToID("_FalloffIntensity");
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private static readonly int k_FalloffDistanceID = Shader.PropertyToID("_FalloffDistance");
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private static readonly int k_LightColorID = Shader.PropertyToID("_LightColor");
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private static readonly int k_VolumeOpacityID = Shader.PropertyToID("_VolumeOpacity");
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private static readonly int k_CookieTexID = Shader.PropertyToID("_CookieTex");
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private static readonly int k_FalloffLookupID = Shader.PropertyToID("_FalloffLookup");
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private static readonly int k_LightPositionID = Shader.PropertyToID("_LightPosition");
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private static readonly int k_LightInvMatrixID = Shader.PropertyToID("_LightInvMatrix");
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private static readonly int k_InnerRadiusMultID = Shader.PropertyToID("_InnerRadiusMult");
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private static readonly int k_OuterAngleID = Shader.PropertyToID("_OuterAngle");
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private static readonly int k_InnerAngleMultID = Shader.PropertyToID("_InnerAngleMult");
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private static readonly int k_LightLookupID = Shader.PropertyToID("_LightLookup");
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private static readonly int k_IsFullSpotlightID = Shader.PropertyToID("_IsFullSpotlight");
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private static readonly int k_LightZDistanceID = Shader.PropertyToID("_LightZDistance");
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private static readonly int k_PointLightCookieTexID = Shader.PropertyToID("_PointLightCookieTex");
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private static GraphicsFormat GetRenderTextureFormat()
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{
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if (!s_HasSetupRenderTextureFormatToUse)
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{
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if (SystemInfo.IsFormatSupported(GraphicsFormat.B10G11R11_UFloatPack32, FormatUsage.Linear | FormatUsage.Render))
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s_RenderTextureFormatToUse = GraphicsFormat.B10G11R11_UFloatPack32;
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else if (SystemInfo.IsFormatSupported(GraphicsFormat.R16G16B16A16_SFloat, FormatUsage.Linear | FormatUsage.Render))
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s_RenderTextureFormatToUse = GraphicsFormat.R16G16B16A16_SFloat;
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s_HasSetupRenderTextureFormatToUse = true;
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}
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return s_RenderTextureFormatToUse;
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}
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public static void CreateNormalMapRenderTexture(this IRenderPass2D pass, RenderingData renderingData, CommandBuffer cmd, float renderScale)
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{
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if (renderScale != pass.rendererData.normalsRenderTargetScale)
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{
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if (pass.rendererData.isNormalsRenderTargetValid)
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{
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cmd.ReleaseTemporaryRT(pass.rendererData.normalsRenderTarget.id);
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}
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pass.rendererData.isNormalsRenderTargetValid = true;
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pass.rendererData.normalsRenderTargetScale = renderScale;
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var descriptor = new RenderTextureDescriptor(
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(int)(renderingData.cameraData.cameraTargetDescriptor.width * renderScale),
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(int)(renderingData.cameraData.cameraTargetDescriptor.height * renderScale));
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descriptor.graphicsFormat = GetRenderTextureFormat();
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descriptor.useMipMap = false;
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descriptor.autoGenerateMips = false;
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descriptor.depthBufferBits = 0;
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descriptor.msaaSamples = renderingData.cameraData.cameraTargetDescriptor.msaaSamples;
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descriptor.dimension = TextureDimension.Tex2D;
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cmd.GetTemporaryRT(pass.rendererData.normalsRenderTarget.id, descriptor, FilterMode.Bilinear);
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}
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}
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public static RenderTextureDescriptor GetBlendStyleRenderTextureDesc(this IRenderPass2D pass, RenderingData renderingData)
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{
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var renderTextureScale = Mathf.Clamp(pass.rendererData.lightRenderTextureScale, 0.01f, 1.0f);
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var width = (int)(renderingData.cameraData.cameraTargetDescriptor.width * renderTextureScale);
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var height = (int)(renderingData.cameraData.cameraTargetDescriptor.height * renderTextureScale);
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var descriptor = new RenderTextureDescriptor(width, height);
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descriptor.graphicsFormat = GetRenderTextureFormat();
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descriptor.useMipMap = false;
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descriptor.autoGenerateMips = false;
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descriptor.depthBufferBits = 0;
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descriptor.msaaSamples = 1;
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descriptor.dimension = TextureDimension.Tex2D;
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return descriptor;
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}
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public static void CreateCameraSortingLayerRenderTexture(this IRenderPass2D pass, RenderingData renderingData, CommandBuffer cmd, Downsampling downsamplingMethod)
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{
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var renderTextureScale = 1.0f;
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if (downsamplingMethod == Downsampling._2xBilinear)
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renderTextureScale = 0.5f;
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else if (downsamplingMethod == Downsampling._4xBox || downsamplingMethod == Downsampling._4xBilinear)
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renderTextureScale = 0.25f;
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var width = (int)(renderingData.cameraData.cameraTargetDescriptor.width * renderTextureScale);
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var height = (int)(renderingData.cameraData.cameraTargetDescriptor.height * renderTextureScale);
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var descriptor = new RenderTextureDescriptor(width, height);
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descriptor.graphicsFormat = renderingData.cameraData.cameraTargetDescriptor.graphicsFormat;
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descriptor.useMipMap = false;
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descriptor.autoGenerateMips = false;
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descriptor.depthBufferBits = 0;
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descriptor.msaaSamples = 1;
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descriptor.dimension = TextureDimension.Tex2D;
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cmd.GetTemporaryRT(pass.rendererData.cameraSortingLayerRenderTarget.id, descriptor, FilterMode.Bilinear);
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}
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public static void EnableBlendStyle(CommandBuffer cmd, int blendStyleIndex, bool enabled)
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{
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var keyword = k_UseBlendStyleKeywords[blendStyleIndex];
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if (enabled)
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cmd.EnableShaderKeyword(keyword);
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else
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cmd.DisableShaderKeyword(keyword);
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}
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public static void ReleaseRenderTextures(this IRenderPass2D pass, CommandBuffer cmd)
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{
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pass.rendererData.isNormalsRenderTargetValid = false;
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pass.rendererData.normalsRenderTargetScale = 0.0f;
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cmd.ReleaseTemporaryRT(pass.rendererData.normalsRenderTarget.id);
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cmd.ReleaseTemporaryRT(pass.rendererData.shadowsRenderTarget.id);
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cmd.ReleaseTemporaryRT(pass.rendererData.cameraSortingLayerRenderTarget.id);
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}
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public static void DrawPointLight(CommandBuffer cmd, Light2D light, Mesh lightMesh, Material material)
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{
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var scale = new Vector3(light.pointLightOuterRadius, light.pointLightOuterRadius, light.pointLightOuterRadius);
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var matrix = Matrix4x4.TRS(light.transform.position, light.transform.rotation, scale);
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cmd.DrawMesh(lightMesh, matrix, material);
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}
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private static void RenderLightSet(IRenderPass2D pass, RenderingData renderingData, int blendStyleIndex, CommandBuffer cmd, int layerToRender, RenderTargetIdentifier renderTexture, List<Light2D> lights)
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{
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var maxShadowTextureCount = ShadowRendering.maxTextureCount;
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var requiresRTInit = true;
|
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|
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// This case should never happen, but if it does it may cause an infinite loop later.
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if (maxShadowTextureCount < 1)
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{
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Debug.LogError("maxShadowTextureCount cannot be less than 1");
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return;
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}
|
||||
|
||||
// Break up light rendering into batches for the purpose of shadow casting
|
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var lightIndex = 0;
|
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while (lightIndex < lights.Count)
|
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{
|
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var remainingLights = (uint)lights.Count - lightIndex;
|
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var batchedLights = 0;
|
||||
|
||||
// Add lights to our batch until the number of shadow textures reach the maxShadowTextureCount
|
||||
var shadowLightCount = 0;
|
||||
while (batchedLights < remainingLights && shadowLightCount < maxShadowTextureCount)
|
||||
{
|
||||
var light = lights[lightIndex + batchedLights];
|
||||
if (light.shadowsEnabled && light.shadowIntensity > 0)
|
||||
{
|
||||
ShadowRendering.CreateShadowRenderTexture(pass, renderingData, cmd, shadowLightCount);
|
||||
ShadowRendering.PrerenderShadows(pass, renderingData, cmd, layerToRender, light, shadowLightCount, light.shadowIntensity);
|
||||
shadowLightCount++;
|
||||
}
|
||||
batchedLights++;
|
||||
}
|
||||
|
||||
// Set the current RT to the light RT
|
||||
if (shadowLightCount > 0 || requiresRTInit)
|
||||
{
|
||||
cmd.SetRenderTarget(renderTexture, RenderBufferLoadAction.Load, RenderBufferStoreAction.Store, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare);
|
||||
requiresRTInit = false;
|
||||
}
|
||||
|
||||
// Render all the lights.
|
||||
shadowLightCount = 0;
|
||||
for (var lightIndexOffset = 0; lightIndexOffset < batchedLights; lightIndexOffset++)
|
||||
{
|
||||
var light = lights[(int)(lightIndex + lightIndexOffset)];
|
||||
|
||||
if (light != null &&
|
||||
light.lightType != Light2D.LightType.Global &&
|
||||
light.blendStyleIndex == blendStyleIndex &&
|
||||
light.IsLitLayer(layerToRender))
|
||||
{
|
||||
// Render light
|
||||
var lightMaterial = pass.rendererData.GetLightMaterial(light, false);
|
||||
if (lightMaterial == null)
|
||||
continue;
|
||||
|
||||
var lightMesh = light.lightMesh;
|
||||
if (lightMesh == null)
|
||||
continue;
|
||||
|
||||
// Set the shadow texture to read from
|
||||
if (light.shadowsEnabled && light.shadowIntensity > 0)
|
||||
ShadowRendering.SetGlobalShadowTexture(cmd, light, shadowLightCount++);
|
||||
else
|
||||
ShadowRendering.DisableGlobalShadowTexture(cmd);
|
||||
|
||||
|
||||
if (light.lightType == Light2D.LightType.Sprite && light.lightCookieSprite != null && light.lightCookieSprite.texture != null)
|
||||
cmd.SetGlobalTexture(k_CookieTexID, light.lightCookieSprite.texture);
|
||||
|
||||
SetGeneralLightShaderGlobals(pass, cmd, light);
|
||||
|
||||
if (light.normalMapQuality != Light2D.NormalMapQuality.Disabled || light.lightType == Light2D.LightType.Point)
|
||||
SetPointLightShaderGlobals(pass, cmd, light);
|
||||
|
||||
// Light code could be combined...
|
||||
if (light.lightType == (Light2D.LightType)Light2D.DeprecatedLightType.Parametric || light.lightType == Light2D.LightType.Freeform || light.lightType == Light2D.LightType.Sprite)
|
||||
{
|
||||
cmd.DrawMesh(lightMesh, light.transform.localToWorldMatrix, lightMaterial);
|
||||
}
|
||||
else if (light.lightType == Light2D.LightType.Point)
|
||||
{
|
||||
DrawPointLight(cmd, light, lightMesh, lightMaterial);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
// Release all of the temporary shadow textures
|
||||
for (var releaseIndex = shadowLightCount - 1; releaseIndex >= 0; releaseIndex--)
|
||||
ShadowRendering.ReleaseShadowRenderTexture(cmd, releaseIndex);
|
||||
|
||||
lightIndex += batchedLights;
|
||||
}
|
||||
}
|
||||
|
||||
public static void RenderLightVolumes(this IRenderPass2D pass, RenderingData renderingData, CommandBuffer cmd, int layerToRender, int endLayerValue, RenderTargetIdentifier renderTexture, RenderTargetIdentifier depthTexture, List<Light2D> lights)
|
||||
{
|
||||
var maxShadowTextureCount = ShadowRendering.maxTextureCount;
|
||||
var requiresRTInit = true;
|
||||
|
||||
// This case should never happen, but if it does it may cause an infinite loop later.
|
||||
if (maxShadowTextureCount < 1)
|
||||
{
|
||||
Debug.LogError("maxShadowTextureCount cannot be less than 1");
|
||||
return;
|
||||
}
|
||||
|
||||
// Break up light rendering into batches for the purpose of shadow casting
|
||||
var lightIndex = 0;
|
||||
while (lightIndex < lights.Count)
|
||||
{
|
||||
var remainingLights = (uint)lights.Count - lightIndex;
|
||||
var batchedLights = 0;
|
||||
|
||||
// Add lights to our batch until the number of shadow textures reach the maxShadowTextureCount
|
||||
var shadowLightCount = 0;
|
||||
while (batchedLights < remainingLights && shadowLightCount < maxShadowTextureCount)
|
||||
{
|
||||
var light = lights[lightIndex + batchedLights];
|
||||
if (light.volumetricShadowsEnabled && light.shadowVolumeIntensity > 0)
|
||||
{
|
||||
ShadowRendering.CreateShadowRenderTexture(pass, renderingData, cmd, shadowLightCount);
|
||||
ShadowRendering.PrerenderShadows(pass, renderingData, cmd, layerToRender, light, shadowLightCount, light.shadowVolumeIntensity);
|
||||
shadowLightCount++;
|
||||
}
|
||||
batchedLights++;
|
||||
}
|
||||
|
||||
// Set the current RT to the light RT
|
||||
if (shadowLightCount > 0 || requiresRTInit)
|
||||
{
|
||||
cmd.SetRenderTarget(renderTexture, depthTexture);
|
||||
requiresRTInit = false;
|
||||
}
|
||||
|
||||
// Render all the lights.
|
||||
shadowLightCount = 0;
|
||||
for (var lightIndexOffset = 0; lightIndexOffset < batchedLights; lightIndexOffset++)
|
||||
{
|
||||
var light = lights[(int)(lightIndex + lightIndexOffset)];
|
||||
|
||||
if (light.lightType == Light2D.LightType.Global)
|
||||
continue;
|
||||
|
||||
if (light.volumeIntensity <= 0.0f || !light.volumeIntensityEnabled)
|
||||
continue;
|
||||
|
||||
var topMostLayerValue = light.GetTopMostLitLayer();
|
||||
if (endLayerValue == topMostLayerValue) // this implies the layer is correct
|
||||
{
|
||||
var lightVolumeMaterial = pass.rendererData.GetLightMaterial(light, true);
|
||||
var lightMesh = light.lightMesh;
|
||||
|
||||
// Set the shadow texture to read from
|
||||
if (light.volumetricShadowsEnabled && light.shadowVolumeIntensity > 0)
|
||||
ShadowRendering.SetGlobalShadowTexture(cmd, light, shadowLightCount++);
|
||||
else
|
||||
ShadowRendering.DisableGlobalShadowTexture(cmd);
|
||||
|
||||
if (light.lightType == Light2D.LightType.Sprite && light.lightCookieSprite != null && light.lightCookieSprite.texture != null)
|
||||
cmd.SetGlobalTexture(k_CookieTexID, light.lightCookieSprite.texture);
|
||||
|
||||
SetGeneralLightShaderGlobals(pass, cmd, light);
|
||||
|
||||
// Is this needed
|
||||
if (light.normalMapQuality != Light2D.NormalMapQuality.Disabled || light.lightType == Light2D.LightType.Point)
|
||||
SetPointLightShaderGlobals(pass, cmd, light);
|
||||
|
||||
// Could be combined...
|
||||
if (light.lightType == Light2D.LightType.Parametric || light.lightType == Light2D.LightType.Freeform || light.lightType == Light2D.LightType.Sprite)
|
||||
{
|
||||
cmd.DrawMesh(lightMesh, light.transform.localToWorldMatrix, lightVolumeMaterial);
|
||||
}
|
||||
else if (light.lightType == Light2D.LightType.Point)
|
||||
{
|
||||
DrawPointLight(cmd, light, lightMesh, lightVolumeMaterial);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
||||
|
||||
// Release all of the temporary shadow textures
|
||||
for (var releaseIndex = shadowLightCount - 1; releaseIndex >= 0; releaseIndex--)
|
||||
ShadowRendering.ReleaseShadowRenderTexture(cmd, releaseIndex);
|
||||
|
||||
lightIndex += batchedLights;
|
||||
}
|
||||
}
|
||||
|
||||
public static void SetShapeLightShaderGlobals(this IRenderPass2D pass, CommandBuffer cmd)
|
||||
{
|
||||
for (var i = 0; i < pass.rendererData.lightBlendStyles.Length; i++)
|
||||
{
|
||||
var blendStyle = pass.rendererData.lightBlendStyles[i];
|
||||
if (i >= k_BlendFactorsPropIDs.Length)
|
||||
break;
|
||||
|
||||
cmd.SetGlobalVector(k_BlendFactorsPropIDs[i], blendStyle.blendFactors);
|
||||
cmd.SetGlobalVector(k_MaskFilterPropIDs[i], blendStyle.maskTextureChannelFilter.mask);
|
||||
cmd.SetGlobalVector(k_InvertedFilterPropIDs[i], blendStyle.maskTextureChannelFilter.inverted);
|
||||
}
|
||||
|
||||
cmd.SetGlobalTexture(k_FalloffLookupID, pass.rendererData.fallOffLookup);
|
||||
}
|
||||
|
||||
private static float GetNormalizedInnerRadius(Light2D light)
|
||||
{
|
||||
return light.pointLightInnerRadius / light.pointLightOuterRadius;
|
||||
}
|
||||
|
||||
private static float GetNormalizedAngle(float angle)
|
||||
{
|
||||
return (angle / 360.0f);
|
||||
}
|
||||
|
||||
private static void GetScaledLightInvMatrix(Light2D light, out Matrix4x4 retMatrix)
|
||||
{
|
||||
var outerRadius = light.pointLightOuterRadius;
|
||||
var lightScale = Vector3.one;
|
||||
var outerRadiusScale = new Vector3(lightScale.x * outerRadius, lightScale.y * outerRadius, lightScale.z * outerRadius);
|
||||
|
||||
var transform = light.transform;
|
||||
|
||||
var scaledLightMat = Matrix4x4.TRS(transform.position, transform.rotation, outerRadiusScale);
|
||||
retMatrix = Matrix4x4.Inverse(scaledLightMat);
|
||||
}
|
||||
|
||||
private static void SetGeneralLightShaderGlobals(IRenderPass2D pass, CommandBuffer cmd, Light2D light)
|
||||
{
|
||||
float intensity = light.intensity * light.color.a;
|
||||
Color color = intensity * light.color;
|
||||
color.a = 1.0f;
|
||||
|
||||
float volumeIntensity = light.volumeIntensity;
|
||||
|
||||
cmd.SetGlobalFloat(k_FalloffIntensityID, light.falloffIntensity);
|
||||
cmd.SetGlobalFloat(k_FalloffDistanceID, light.shapeLightFalloffSize);
|
||||
cmd.SetGlobalColor(k_LightColorID, color);
|
||||
cmd.SetGlobalFloat(k_VolumeOpacityID, volumeIntensity);
|
||||
}
|
||||
|
||||
private static void SetPointLightShaderGlobals(IRenderPass2D pass, CommandBuffer cmd, Light2D light)
|
||||
{
|
||||
// This is used for the lookup texture
|
||||
GetScaledLightInvMatrix(light, out var lightInverseMatrix);
|
||||
|
||||
var innerRadius = GetNormalizedInnerRadius(light);
|
||||
var innerAngle = GetNormalizedAngle(light.pointLightInnerAngle);
|
||||
var outerAngle = GetNormalizedAngle(light.pointLightOuterAngle);
|
||||
var innerRadiusMult = 1 / (1 - innerRadius);
|
||||
|
||||
cmd.SetGlobalVector(k_LightPositionID, light.transform.position);
|
||||
cmd.SetGlobalMatrix(k_LightInvMatrixID, lightInverseMatrix);
|
||||
cmd.SetGlobalFloat(k_InnerRadiusMultID, innerRadiusMult);
|
||||
cmd.SetGlobalFloat(k_OuterAngleID, outerAngle);
|
||||
cmd.SetGlobalFloat(k_InnerAngleMultID, 1 / (outerAngle - innerAngle));
|
||||
cmd.SetGlobalTexture(k_LightLookupID, Light2DLookupTexture.GetLightLookupTexture());
|
||||
cmd.SetGlobalTexture(k_FalloffLookupID, pass.rendererData.fallOffLookup);
|
||||
cmd.SetGlobalFloat(k_FalloffIntensityID, light.falloffIntensity);
|
||||
cmd.SetGlobalFloat(k_IsFullSpotlightID, innerAngle == 1 ? 1.0f : 0.0f);
|
||||
|
||||
cmd.SetGlobalFloat(k_LightZDistanceID, light.normalMapDistance);
|
||||
|
||||
if (light.lightCookieSprite != null && light.lightCookieSprite.texture != null)
|
||||
cmd.SetGlobalTexture(k_PointLightCookieTexID, light.lightCookieSprite.texture);
|
||||
}
|
||||
|
||||
public static void ClearDirtyLighting(this IRenderPass2D pass, CommandBuffer cmd, uint blendStylesUsed)
|
||||
{
|
||||
for (var i = 0; i < pass.rendererData.lightBlendStyles.Length; ++i)
|
||||
{
|
||||
if ((blendStylesUsed & (uint)(1 << i)) == 0)
|
||||
continue;
|
||||
|
||||
if (!pass.rendererData.lightBlendStyles[i].isDirty)
|
||||
continue;
|
||||
|
||||
cmd.SetRenderTarget(pass.rendererData.lightBlendStyles[i].renderTargetHandle.Identifier());
|
||||
cmd.ClearRenderTarget(false, true, Color.black);
|
||||
pass.rendererData.lightBlendStyles[i].isDirty = false;
|
||||
}
|
||||
}
|
||||
|
||||
public static void RenderNormals(this IRenderPass2D pass, ScriptableRenderContext context, RenderingData renderingData, DrawingSettings drawSettings, FilteringSettings filterSettings, RenderTargetIdentifier depthTarget, CommandBuffer cmd, LightStats lightStats)
|
||||
{
|
||||
using (new ProfilingScope(cmd, m_ProfilingSampler))
|
||||
{
|
||||
// figure out the scale
|
||||
var normalRTScale = 0.0f;
|
||||
|
||||
if (depthTarget != BuiltinRenderTextureType.None)
|
||||
normalRTScale = 1.0f;
|
||||
else
|
||||
normalRTScale = Mathf.Clamp(pass.rendererData.lightRenderTextureScale, 0.01f, 1.0f);
|
||||
|
||||
pass.CreateNormalMapRenderTexture(renderingData, cmd, normalRTScale);
|
||||
|
||||
if (depthTarget != BuiltinRenderTextureType.None)
|
||||
{
|
||||
cmd.SetRenderTarget(
|
||||
pass.rendererData.normalsRenderTarget.Identifier(),
|
||||
RenderBufferLoadAction.DontCare,
|
||||
RenderBufferStoreAction.Store,
|
||||
depthTarget,
|
||||
RenderBufferLoadAction.Load,
|
||||
RenderBufferStoreAction.DontCare);
|
||||
}
|
||||
else
|
||||
cmd.SetRenderTarget(pass.rendererData.normalsRenderTarget.Identifier(), RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store);
|
||||
|
||||
cmd.ClearRenderTarget(true, true, k_NormalClearColor);
|
||||
|
||||
context.ExecuteCommandBuffer(cmd);
|
||||
cmd.Clear();
|
||||
|
||||
drawSettings.SetShaderPassName(0, k_NormalsRenderingPassName);
|
||||
context.DrawRenderers(renderingData.cullResults, ref drawSettings, ref filterSettings);
|
||||
}
|
||||
}
|
||||
|
||||
public static void RenderLights(this IRenderPass2D pass, RenderingData renderingData, CommandBuffer cmd, int layerToRender, ref LayerBatch layerBatch, ref RenderTextureDescriptor rtDesc)
|
||||
{
|
||||
var blendStyles = pass.rendererData.lightBlendStyles;
|
||||
|
||||
for (var i = 0; i < blendStyles.Length; ++i)
|
||||
{
|
||||
if ((layerBatch.lightStats.blendStylesUsed & (uint)(1 << i)) == 0)
|
||||
continue;
|
||||
|
||||
var sampleName = blendStyles[i].name;
|
||||
cmd.BeginSample(sampleName);
|
||||
|
||||
if (!Light2DManager.GetGlobalColor(layerToRender, i, out var clearColor))
|
||||
clearColor = Color.black;
|
||||
|
||||
var anyLights = (layerBatch.lightStats.blendStylesWithLights & (uint)(1 << i)) != 0;
|
||||
|
||||
var desc = rtDesc;
|
||||
if (!anyLights) // No lights -- create tiny texture
|
||||
desc.width = desc.height = 4;
|
||||
var identifier = layerBatch.GetRTId(cmd, desc, i);
|
||||
|
||||
cmd.SetRenderTarget(identifier,
|
||||
RenderBufferLoadAction.DontCare,
|
||||
RenderBufferStoreAction.Store,
|
||||
RenderBufferLoadAction.DontCare,
|
||||
RenderBufferStoreAction.DontCare);
|
||||
cmd.ClearRenderTarget(false, true, clearColor);
|
||||
|
||||
if (anyLights)
|
||||
{
|
||||
RenderLightSet(
|
||||
pass, renderingData,
|
||||
i,
|
||||
cmd,
|
||||
layerToRender,
|
||||
identifier,
|
||||
pass.rendererData.lightCullResult.visibleLights
|
||||
);
|
||||
}
|
||||
|
||||
cmd.EndSample(sampleName);
|
||||
}
|
||||
}
|
||||
|
||||
private static void SetBlendModes(Material material, BlendMode src, BlendMode dst)
|
||||
{
|
||||
material.SetFloat(k_SrcBlendID, (float)src);
|
||||
material.SetFloat(k_DstBlendID, (float)dst);
|
||||
}
|
||||
|
||||
private static uint GetLightMaterialIndex(Light2D light, bool isVolume)
|
||||
{
|
||||
var isPoint = light.isPointLight;
|
||||
var bitIndex = 0;
|
||||
var volumeBit = isVolume ? 1u << bitIndex : 0u;
|
||||
bitIndex++;
|
||||
var shapeBit = !isPoint ? 1u << bitIndex : 0u;
|
||||
bitIndex++;
|
||||
var additiveBit = light.overlapOperation == Light2D.OverlapOperation.AlphaBlend ? 0u : 1u << bitIndex;
|
||||
bitIndex++;
|
||||
var spriteBit = light.lightType == Light2D.LightType.Sprite ? 1u << bitIndex : 0u;
|
||||
bitIndex++;
|
||||
var pointCookieBit = (isPoint && light.lightCookieSprite != null && light.lightCookieSprite.texture != null) ? 1u << bitIndex : 0u;
|
||||
bitIndex++;
|
||||
var pointFastQualityBit = (isPoint && light.normalMapQuality == Light2D.NormalMapQuality.Fast) ? 1u << bitIndex : 0u;
|
||||
bitIndex++;
|
||||
var useNormalMap = light.normalMapQuality != Light2D.NormalMapQuality.Disabled ? 1u << bitIndex : 0u;
|
||||
|
||||
return pointFastQualityBit | pointCookieBit | spriteBit | additiveBit | shapeBit | volumeBit | useNormalMap;
|
||||
}
|
||||
|
||||
private static Material CreateLightMaterial(Renderer2DData rendererData, Light2D light, bool isVolume)
|
||||
{
|
||||
var isPoint = light.isPointLight;
|
||||
Material material;
|
||||
|
||||
if (isVolume)
|
||||
material = CoreUtils.CreateEngineMaterial(isPoint ? rendererData.pointLightVolumeShader : rendererData.shapeLightVolumeShader);
|
||||
else
|
||||
{
|
||||
material = CoreUtils.CreateEngineMaterial(isPoint ? rendererData.pointLightShader : rendererData.shapeLightShader);
|
||||
|
||||
if (light.overlapOperation == Light2D.OverlapOperation.Additive)
|
||||
{
|
||||
SetBlendModes(material, BlendMode.One, BlendMode.One);
|
||||
material.EnableKeyword(k_UseAdditiveBlendingKeyword);
|
||||
}
|
||||
else
|
||||
SetBlendModes(material, BlendMode.SrcAlpha, BlendMode.OneMinusSrcAlpha);
|
||||
}
|
||||
|
||||
if (light.lightType == Light2D.LightType.Sprite)
|
||||
material.EnableKeyword(k_SpriteLightKeyword);
|
||||
|
||||
if (isPoint && light.lightCookieSprite != null && light.lightCookieSprite.texture != null)
|
||||
material.EnableKeyword(k_UsePointLightCookiesKeyword);
|
||||
|
||||
if (isPoint && light.normalMapQuality == Light2D.NormalMapQuality.Fast)
|
||||
material.EnableKeyword(k_LightQualityFastKeyword);
|
||||
|
||||
if (light.normalMapQuality != Light2D.NormalMapQuality.Disabled)
|
||||
material.EnableKeyword(k_UseNormalMap);
|
||||
|
||||
return material;
|
||||
}
|
||||
|
||||
private static Material GetLightMaterial(this Renderer2DData rendererData, Light2D light, bool isVolume)
|
||||
{
|
||||
var materialIndex = GetLightMaterialIndex(light, isVolume);
|
||||
|
||||
if (!rendererData.lightMaterials.TryGetValue(materialIndex, out var material))
|
||||
{
|
||||
material = CreateLightMaterial(rendererData, light, isVolume);
|
||||
rendererData.lightMaterials[materialIndex] = material;
|
||||
}
|
||||
|
||||
return material;
|
||||
}
|
||||
}
|
||||
}
|
||||
Reference in New Issue
Block a user