Files
3d-bxqz/Assets/Enviro 3 - Sky and Weather/Scripts/Runtime/Base/Renderer/EnviroURPRenderPass.cs
2026-05-06 17:36:41 +08:00

307 lines
15 KiB
C#

#if ENVIRO_URP
using System.Collections.Generic;
using UnityEngine;
using UnityEngine.Rendering.Universal;
using UnityEngine.Rendering;
namespace Enviro
{
public class EnviroURPRenderPass : ScriptableRenderPass
{
public ScriptableRenderer scriptableRenderer { get; set; }
private Material blitThroughMat;
private string pName;
private List<EnviroVolumetricCloudRenderer> volumetricCloudsRender = new List<EnviroVolumetricCloudRenderer>();
private Vector3 floatingPointOriginMod = Vector3.zero;
public EnviroURPRenderPass (string name)
{
renderPassEvent = RenderPassEvent.BeforeRenderingTransparents - 1;
pName = name;
}
public void CustomBlit(CommandBuffer cmd,Matrix4x4 matrix, RenderTargetIdentifier source, RenderTargetIdentifier target, Material mat, int pass)
{
cmd.SetGlobalTexture("_MainTex", source);
cmd.SetRenderTarget(target, 0, CubemapFace.Unknown, -1);
cmd.DrawMesh(RenderingUtils.fullscreenMesh, matrix, mat,0, pass);
}
public void CustomBlit(CommandBuffer cmd,Matrix4x4 matrix, RenderTargetIdentifier source, RenderTargetIdentifier target, Material mat)
{
cmd.SetGlobalTexture("_MainTex", source);
cmd.SetRenderTarget(target, 0, CubemapFace.Unknown, -1);
cmd.DrawMesh(RenderingUtils.fullscreenMesh, matrix, mat,0);
}
public void CustomBlit(CommandBuffer cmd,Matrix4x4 matrix, RenderTargetIdentifier source, RenderTargetIdentifier target)
{
if(blitThroughMat == null)
blitThroughMat = new Material(Shader.Find("Hidden/EnviroBlitThrough"));
cmd.SetGlobalTexture("_MainTex", source);
cmd.SetRenderTarget(target, 0, CubemapFace.Unknown, -1);
cmd.DrawMesh(RenderingUtils.fullscreenMesh, matrix, blitThroughMat);
}
#if UNITY_2022_3_OR_NEWER
public void CustomBlit(CommandBuffer cmd,RTHandle source, RTHandle target, Material mat)
{
Blitter.BlitCameraTexture(cmd,source,target,mat,0);
}
public void CustomBlit(CommandBuffer cmd,RTHandle source, RTHandle target, Material mat, int pass)
{
Blitter.BlitCameraTexture(cmd,source,target,mat,pass);
}
public void CustomBlit(CommandBuffer cmd,RTHandle source, RTHandle target)
{
Blitter.BlitCameraTexture(cmd,source,target);
}
#endif
#if UNITY_6000_0_OR_NEWER
[System.Obsolete]
#endif
public override void Configure(CommandBuffer cmd, RenderTextureDescriptor cameraTextureDescriptor)
{
#if UNITY_2022_3_OR_NEWER
ConfigureTarget(scriptableRenderer.cameraColorTargetHandle);
#else
ConfigureTarget(scriptableRenderer.cameraColorTarget);
#endif
ConfigureInput(ScriptableRenderPassInput.Depth);
}
#if UNITY_6000_0_OR_NEWER
[System.Obsolete]
#endif
public override void OnCameraSetup(CommandBuffer cmd, ref RenderingData renderingData)
{
if(GetCloudsRenderer(renderingData.cameraData.camera) == null)
{
CreateCloudsRenderer(renderingData.cameraData.camera);
}
}
private EnviroVolumetricCloudRenderer CreateCloudsRenderer(Camera cam)
{
EnviroVolumetricCloudRenderer r = new EnviroVolumetricCloudRenderer();
r.camera = cam;
volumetricCloudsRender.Add(r);
return r;
}
private EnviroVolumetricCloudRenderer GetCloudsRenderer(Camera cam)
{
for (int i = 0; i < volumetricCloudsRender.Count; i++)
{
if(volumetricCloudsRender[i].camera == cam)
return volumetricCloudsRender[i];
}
return CreateCloudsRenderer(cam);
}
private void SetMatrix(Camera myCam)
{
#if ENABLE_VR || ENABLE_XR_MODULE
if (UnityEngine.XR.XRSettings.enabled && UnityEngine.XR.XRSettings.stereoRenderingMode == UnityEngine.XR.XRSettings.StereoRenderingMode.SinglePassInstanced && myCam.stereoEnabled)
{
// Both stereo eye inverse view matrices
Matrix4x4 left_world_from_view = myCam.GetStereoViewMatrix(Camera.StereoscopicEye.Left).inverse;
Matrix4x4 right_world_from_view = myCam.GetStereoViewMatrix(Camera.StereoscopicEye.Right).inverse;
// Both stereo eye inverse projection matrices, plumbed through GetGPUProjectionMatrix to compensate for render texture
Matrix4x4 left_screen_from_view = myCam.GetStereoProjectionMatrix(Camera.StereoscopicEye.Left);
Matrix4x4 right_screen_from_view = myCam.GetStereoProjectionMatrix(Camera.StereoscopicEye.Right);
Matrix4x4 left_view_from_screen = GL.GetGPUProjectionMatrix(left_screen_from_view, true).inverse;
Matrix4x4 right_view_from_screen = GL.GetGPUProjectionMatrix(right_screen_from_view, true).inverse;
// Negate [1,1] to reflect Unity's CBuffer state
if (SystemInfo.graphicsDeviceType != UnityEngine.Rendering.GraphicsDeviceType.OpenGLCore && SystemInfo.graphicsDeviceType != UnityEngine.Rendering.GraphicsDeviceType.OpenGLES3)
{
left_view_from_screen[1, 1] *= -1;
right_view_from_screen[1, 1] *= -1;
}
Shader.SetGlobalMatrix("_LeftWorldFromView", left_world_from_view);
Shader.SetGlobalMatrix("_RightWorldFromView", right_world_from_view);
Shader.SetGlobalMatrix("_LeftViewFromScreen", left_view_from_screen);
Shader.SetGlobalMatrix("_RightViewFromScreen", right_view_from_screen);
}
else
{
// Main eye inverse view matrix
Matrix4x4 left_world_from_view = myCam.cameraToWorldMatrix;
// Inverse projection matrices, plumbed through GetGPUProjectionMatrix to compensate for render texture
Matrix4x4 screen_from_view = myCam.projectionMatrix;
Matrix4x4 left_view_from_screen = GL.GetGPUProjectionMatrix(screen_from_view, true).inverse;
// Negate [1,1] to reflect Unity's CBuffer state
if (SystemInfo.graphicsDeviceType != UnityEngine.Rendering.GraphicsDeviceType.OpenGLCore && SystemInfo.graphicsDeviceType != UnityEngine.Rendering.GraphicsDeviceType.OpenGLES3)
left_view_from_screen[1, 1] *= -1;
Shader.SetGlobalMatrix("_LeftWorldFromView", left_world_from_view);
Shader.SetGlobalMatrix("_LeftViewFromScreen", left_view_from_screen);
}
#else
// Main eye inverse view matrix
Matrix4x4 left_world_from_view = myCam.cameraToWorldMatrix;
// Inverse projection matrices, plumbed through GetGPUProjectionMatrix to compensate for render texture
Matrix4x4 screen_from_view = myCam.projectionMatrix;
Matrix4x4 left_view_from_screen = GL.GetGPUProjectionMatrix(screen_from_view, true).inverse;
// Negate [1,1] to reflect Unity's CBuffer state
if (SystemInfo.graphicsDeviceType != UnityEngine.Rendering.GraphicsDeviceType.OpenGLCore && SystemInfo.graphicsDeviceType != UnityEngine.Rendering.GraphicsDeviceType.OpenGLES3)
left_view_from_screen[1, 1] *= -1;
Shader.SetGlobalMatrix("_LeftWorldFromView", left_world_from_view);
Shader.SetGlobalMatrix("_LeftViewFromScreen", left_view_from_screen);
#endif
}
#if UNITY_6000_0_OR_NEWER
[System.Obsolete]
#endif
public override void Execute(ScriptableRenderContext context, ref RenderingData renderingData)
{
if(EnviroManager.instance == null)
return;
CommandBuffer cmd = CommandBufferPool.Get(pName);
if(EnviroHelper.ResetMatrix(renderingData.cameraData.camera))
renderingData.cameraData.camera.ResetProjectionMatrix();
EnviroQuality myQuality = EnviroHelper.GetQualityForCamera(renderingData.cameraData.camera);
//Set what to render on this camera.
bool renderVolumetricClouds = false;
bool renderFog = false;
if(EnviroManager.instance.Quality != null)
{
if(EnviroManager.instance.VolumetricClouds != null)
renderVolumetricClouds = myQuality.volumetricCloudsOverride.volumetricClouds;
if(EnviroManager.instance.Fog != null)
renderFog = myQuality.fogOverride.fog;
}
else
{
if(EnviroManager.instance.VolumetricClouds != null)
renderVolumetricClouds = EnviroManager.instance.VolumetricClouds.settingsQuality.volumetricClouds;
if(EnviroManager.instance.Fog != null)
renderFog = EnviroManager.instance.Fog.Settings.fog;
}
if (EnviroManager.instance.Objects.worldAnchor != null)
floatingPointOriginMod = EnviroManager.instance.Objects.worldAnchor.transform.position;
else
floatingPointOriginMod = Vector3.zero;
//Set some global matrixes used for all the enviro effects.
SetMatrix(renderingData.cameraData.camera);
//Create temporary texture and blit the camera content.
RenderTexture sourceTemp = RenderTexture.GetTemporary(renderingData.cameraData.cameraTargetDescriptor);
#if UNITY_2022_3_OR_NEWER
RenderTargetIdentifier cameraColorTarget = scriptableRenderer.cameraColorTargetHandle.nameID;
#else
RenderTargetIdentifier cameraColorTarget = scriptableRenderer.cameraColorTarget;
#endif
CustomBlit(cmd, Matrix4x4.identity,cameraColorTarget, new RenderTargetIdentifier(sourceTemp));
//Render volumetrics mask first
if(EnviroManager.instance.Fog != null && renderFog)
EnviroManager.instance.Fog.RenderVolumetricsURP(renderingData.cameraData.camera,this,cmd,sourceTemp);
if(EnviroManager.instance.Fog != null && EnviroManager.instance.VolumetricClouds != null && renderVolumetricClouds && renderFog)
{
RenderTexture temp1 = RenderTexture.GetTemporary(renderingData.cameraData.cameraTargetDescriptor);
if(renderingData.cameraData.camera.transform.position.y - floatingPointOriginMod.y < EnviroManager.instance.VolumetricClouds.settingsVolume.bottomCloudsHeight)
{
EnviroVolumetricCloudRenderer renderer = GetCloudsRenderer(renderingData.cameraData.camera);
EnviroManager.instance.VolumetricClouds.RenderVolumetricCloudsURP(renderingData,this,cmd, sourceTemp, temp1, renderer, myQuality);
if(EnviroManager.instance.VolumetricClouds.settingsGlobal.cloudShadows && renderingData.cameraData.camera.cameraType != CameraType.Reflection)
{
RenderTexture temp2 = RenderTexture.GetTemporary(renderingData.cameraData.cameraTargetDescriptor);
EnviroManager.instance.VolumetricClouds.RenderCloudsShadowsURP(this,renderingData.cameraData.camera,cmd,temp1,temp2,renderer);
EnviroManager.instance.Fog.RenderHeightFogURP(renderingData.cameraData.camera,this,cmd,temp2,cameraColorTarget);
RenderTexture.ReleaseTemporary(temp2);
}
else
{
EnviroManager.instance.Fog.RenderHeightFogURP(renderingData.cameraData.camera,this,cmd,temp1,cameraColorTarget);
}
}
else
{
EnviroManager.instance.Fog.RenderHeightFogURP(renderingData.cameraData.camera,this,cmd,sourceTemp,temp1);
EnviroVolumetricCloudRenderer renderer = GetCloudsRenderer(renderingData.cameraData.camera);
if(EnviroManager.instance.VolumetricClouds.settingsGlobal.cloudShadows && renderingData.cameraData.camera.cameraType != CameraType.Reflection)
{
RenderTexture temp2 = RenderTexture.GetTemporary(renderingData.cameraData.cameraTargetDescriptor);
EnviroManager.instance.VolumetricClouds.RenderCloudsShadowsURP(this,renderingData.cameraData.camera,cmd,temp1,temp2,renderer);
EnviroManager.instance.VolumetricClouds.RenderVolumetricCloudsURP(renderingData,this,cmd, temp2, cameraColorTarget, renderer, myQuality);
RenderTexture.ReleaseTemporary(temp2);
}
else
{
EnviroManager.instance.VolumetricClouds.RenderVolumetricCloudsURP(renderingData,this,cmd, temp1, cameraColorTarget, renderer, myQuality);
}
}
context.ExecuteCommandBuffer(cmd);
RenderTexture.ReleaseTemporary(temp1);
}
else if(EnviroManager.instance.VolumetricClouds != null && renderVolumetricClouds && !renderFog)
{
EnviroVolumetricCloudRenderer renderer = GetCloudsRenderer(renderingData.cameraData.camera);
if(EnviroManager.instance.VolumetricClouds.settingsGlobal.cloudShadows && renderingData.cameraData.camera.cameraType != CameraType.Reflection)
{
RenderTexture temp1 = RenderTexture.GetTemporary(renderingData.cameraData.cameraTargetDescriptor);
EnviroManager.instance.VolumetricClouds.RenderCloudsShadowsURP(this,renderingData.cameraData.camera,cmd,sourceTemp,temp1,renderer);
EnviroManager.instance.VolumetricClouds.RenderVolumetricCloudsURP(renderingData,this,cmd, temp1, cameraColorTarget, renderer, myQuality);
RenderTexture.ReleaseTemporary(temp1);
}
else
{
EnviroManager.instance.VolumetricClouds.RenderVolumetricCloudsURP(renderingData,this,cmd, sourceTemp, cameraColorTarget, renderer, myQuality);
}
context.ExecuteCommandBuffer(cmd);
}
else if (Enviro.EnviroManager.instance.Fog != null && renderFog)
{
EnviroManager.instance.Fog.RenderHeightFogURP(renderingData.cameraData.camera,this,cmd,sourceTemp,cameraColorTarget);
context.ExecuteCommandBuffer(cmd);
}
else
{
//Render Nothing
}
if(!renderVolumetricClouds)
Shader.SetGlobalTexture("_EnviroClouds", Texture2D.blackTexture);
//Release source temp render texture
CommandBufferPool.Release(cmd);
RenderTexture.ReleaseTemporary(sourceTemp);
}
}
}
#endif