55 lines
2.6 KiB
C#
55 lines
2.6 KiB
C#
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using UnityEngine.Rendering.RenderGraphModule;
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namespace UnityEngine.Rendering.Universal
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{
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internal class GlobalPropertiesPass : ScriptableRenderPass
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{
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static readonly string k_SetGlobalProperties = "SetGlobalProperties";
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private static readonly ProfilingSampler m_SetGlobalPropertiesProfilingSampler = new ProfilingSampler(k_SetGlobalProperties);
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#if UNITY_EDITOR
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private static readonly int k_DefaultWhiteTextureID = Shader.PropertyToID("_DefaultWhiteTex");
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#endif
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class PassData
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{
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internal Vector2Int screenParams;
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}
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internal static void Setup(RenderGraph graph, UniversalCameraData cameraData)
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{
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using (var builder = graph.AddRasterRenderPass<PassData>(k_SetGlobalProperties, out var passData, m_SetGlobalPropertiesProfilingSampler))
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{
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// Set screenParams when pixel perfect camera is used with the reference resolution
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passData.screenParams = Vector2Int.zero;
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cameraData.camera.TryGetComponent(out PixelPerfectCamera pixelPerfectCamera);
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if (pixelPerfectCamera != null && pixelPerfectCamera.enabled && pixelPerfectCamera.offscreenRTSize != Vector2Int.zero)
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passData.screenParams = pixelPerfectCamera.offscreenRTSize;
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// Set light lookup and fall off textures as global
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var lightLookupTexture = graph.ImportTexture(Light2DLookupTexture.GetLightLookupTexture_Rendergraph());
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var fallOffTexture = graph.ImportTexture(Light2DLookupTexture.GetFallOffLookupTexture_Rendergraph());
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builder.SetGlobalTextureAfterPass(lightLookupTexture, Light2DLookupTexture.k_LightLookupID);
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builder.SetGlobalTextureAfterPass(fallOffTexture, Light2DLookupTexture.k_FalloffLookupID);
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#if UNITY_EDITOR
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builder.SetGlobalTextureAfterPass(graph.defaultResources.whiteTexture, k_DefaultWhiteTextureID);
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#endif
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builder.AllowPassCulling(false);
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builder.AllowGlobalStateModification(true);
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builder.SetRenderFunc((PassData data, RasterGraphContext context) =>
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{
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if (data.screenParams != Vector2Int.zero)
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{
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var cameraWidth = data.screenParams.x;
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var cameraHeight = data.screenParams.y;
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context.cmd.SetGlobalVector(ShaderPropertyId.screenParams, new Vector4(cameraWidth, cameraHeight, 1.0f + 1.0f / cameraWidth, 1.0f + 1.0f / cameraHeight));
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}
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});
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}
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}
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}
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}
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