public void RenderDeferred(ScriptableRenderContext renderContext, Camera camera, VXGI vxgi)
{
ScriptableCullingParameters cullingParams;
if (!CullResults.GetCullingParameters(camera, out cullingParams))
{
return;
}
CullResults.Cull(ref cullingParams, renderContext, ref _cullResults);
_command.BeginSample(_command.name);
_command.GetTemporaryRT(_propDepth, camera.pixelWidth, camera.pixelHeight, 24, FilterMode.Point, RenderTextureFormat.Depth);
_command.GetTemporaryRT(_propDiffuse, camera.pixelWidth, camera.pixelHeight, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf);
_command.GetTemporaryRT(_propNormal, camera.pixelWidth, camera.pixelHeight, 0, FilterMode.Point, RenderTextureFormat.ARGBFloat);
_command.GetTemporaryRT(_propEmission, camera.pixelWidth, camera.pixelHeight, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf);
_command.GetTemporaryRT(_propOther, camera.pixelWidth, camera.pixelHeight, 0, FilterMode.Point, RenderTextureFormat.ARGBHalf);
_command.GetTemporaryRT(_propIrradiance,
(int)(vxgi.diffuseResolutionScale * camera.pixelWidth),
(int)(vxgi.diffuseResolutionScale * camera.pixelHeight),
0, FilterMode.Bilinear, RenderTextureFormat.ARGBHalf
);
var binding = new RenderTargetBinding(
new RenderTargetIdentifier[] { _propDiffuse, _propNormal, _propEmission, _propOther },
new[] { RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare, RenderBufferLoadAction.DontCare },
new[] { RenderBufferStoreAction.DontCare, RenderBufferStoreAction.DontCare, RenderBufferStoreAction.DontCare, RenderBufferStoreAction.DontCare },
_propDepth, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.DontCare
);
_command.SetRenderTarget(binding);
_command.ClearRenderTarget(true, true, Color.clear);
renderContext.ExecuteCommandBuffer(_command);
_command.Clear();
var drawSettings = new DrawRendererSettings(camera, new ShaderPassName("Deferred"));
drawSettings.flags = _renderPipeline.drawRendererFlags;
drawSettings.rendererConfiguration |= RendererConfiguration.PerObjectReflectionProbes;
drawSettings.sorting.flags = SortFlags.CommonOpaque;
renderContext.DrawRenderers(_cullResults.visibleRenderers, ref drawSettings, _filterSettings);
if (vxgi.pass == Pass.ConeTracing)
{
renderContext.SetupCameraProperties(camera);
renderContext.DrawSkybox(camera);
}
Matrix4x4 clipToWorld = camera.cameraToWorldMatrix * GL.GetGPUProjectionMatrix(camera.projectionMatrix, false).inverse;
_command.SetGlobalVector("CameraPosition", camera.transform.position);
_command.SetGlobalMatrix("ClipToWorld", clipToWorld);
_command.SetGlobalMatrix("ClipToVoxel", vxgi.worldToVoxel * clipToWorld);
_command.SetGlobalMatrix("WorldToVoxel", vxgi.worldToVoxel);
_command.SetGlobalMatrix("VoxelToWorld", vxgi.voxelToWorld);
_command.EndSample(_command.name);
renderContext.ExecuteCommandBuffer(_command);
_command.Clear();
if (vxgi.pass == Pass.ConeTracing)
{
_commandDiffuse.BeginSample(_commandDiffuse.name);
_commandDiffuse.Blit(_propDiffuse, _propIrradiance, material, (int)Pass.DiffuseConeTracing);
_commandDiffuse.EndSample(_commandDiffuse.name);
renderContext.ExecuteCommandBuffer(_commandDiffuse);
_commandDiffuse.Clear();
}
_commandReflection.BeginSample(_commandReflection.name);
_commandReflection.Blit(_propDiffuse, BuiltinRenderTextureType.CameraTarget, material, (int)vxgi.pass);
_commandReflection.EndSample(_commandReflection.name);
renderContext.ExecuteCommandBuffer(_commandReflection);
_commandReflection.Clear();
_command.BeginSample(_command.name);
_command.ReleaseTemporaryRT(_propDepth);
_command.ReleaseTemporaryRT(_propDiffuse);
_command.ReleaseTemporaryRT(_propNormal);
_command.ReleaseTemporaryRT(_propEmission);
_command.ReleaseTemporaryRT(_propOther);
_command.ReleaseTemporaryRT(_propIrradiance);
_command.EndSample(_command.name);
renderContext.ExecuteCommandBuffer(_command);
_command.Clear();
}
public override void Render(ScriptableRenderContext context, Camera[] cameras)
{
base.Render(context, cameras);
foreach (Camera camera in cameras)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
continue;
}
cullingParameters.shadowDistance = m_ShadowSettings.maxShadowDistance;
CullResults cullResults = CullResults.Cull(ref cullingParameters, context);
VisibleLight[] visibleLights = cullResults.visibleLights;
LightData lightData;
InitializeLightData(visibleLights, out lightData);
// Render Shadow Map
bool shadowsRendered = false;
InitializeMainShadowLightIndex(visibleLights);
if (m_ShadowLightIndex > -1)
{
shadowsRendered = RenderShadows(ref cullResults, ref visibleLights[m_ShadowLightIndex], ref context);
}
// Setup camera matrices and RT
context.SetupCameraProperties(camera);
// Clear RenderTarget to avoid tile initialization on mobile GPUs
// https://community.arm.com/graphics/b/blog/posts/mali-performance-2-how-to-correctly-handle-framebuffers
var cmd = new CommandBuffer()
{
name = "Clear"
};
cmd.ClearRenderTarget(true, true, camera.backgroundColor);
context.ExecuteCommandBuffer(cmd);
cmd.Dispose();
// Setup light and shadow shader constants
SetupLightShaderVariables(visibleLights, ref cullResults, ref context, ref lightData);
if (shadowsRendered)
{
SetupShadowShaderVariables(ref context, m_ShadowCasterCascadesCount);
}
RendererConfiguration configuration = RendererConfiguration.PerObjectReflectionProbes;
if (m_Asset.EnableLightmap)
{
configuration |= RendererConfiguration.PerObjectLightmaps;
}
if (m_Asset.EnableAmbientProbe)
{
configuration |= RendererConfiguration.PerObjectLightProbe;
}
if (!lightData.isSingleDirectionalLight)
{
configuration |= RendererConfiguration.ProvideLightIndices;
}
// Render Opaques
var litSettings = new DrawRendererSettings(cullResults, camera, m_LitPassName);
litSettings.sorting.flags = SortFlags.CommonOpaque;
litSettings.inputFilter.SetQueuesOpaque();
litSettings.rendererConfiguration = configuration;
var unlitSettings = new DrawRendererSettings(cullResults, camera, m_UnlitPassName);
unlitSettings.sorting.flags = SortFlags.CommonOpaque;
unlitSettings.inputFilter.SetQueuesOpaque();
context.DrawRenderers(ref litSettings);
// Release temporary RT
var discardRT = new CommandBuffer();
discardRT.ReleaseTemporaryRT(m_ShadowMapProperty);
context.ExecuteCommandBuffer(discardRT);
discardRT.Dispose();
context.DrawRenderers(ref unlitSettings);
// TODO: Check skybox shader
context.DrawSkybox(camera);
// Render Alpha blended
litSettings.sorting.flags = SortFlags.CommonTransparent;
litSettings.inputFilter.SetQueuesTransparent();
context.DrawRenderers(ref litSettings);
unlitSettings.sorting.flags = SortFlags.CommonTransparent;
unlitSettings.inputFilter.SetQueuesTransparent();
context.DrawRenderers(ref unlitSettings);
}
context.Submit();
}
void Render(ScriptableRenderContext context, Camera camera)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
cullingParameters.shadowDistance =
Mathf.Min(shadowDistance, camera.farClipPlane);
#if UNITY_EDITOR
//ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cull);
if (cull.visibleLights.Count > 0)
{
ConfigureLights();
if (mainLightExists)
{
RenderCascadedShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
}
if (shadowTileCount > 0)
{
RenderShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
//cameraBuffer.DisableShaderKeyword(clippingKeyword);
}
}
else
{
cameraBuffer.SetGlobalVector(lightIndicesOffsetAndCountID, Vector4.zero);
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
//cameraBuffer.DisableShaderKeyword(clippingKeyword);
}
context.SetupCameraProperties(camera);
var myPipelineCamera = camera.GetComponent <MyPipelineCamera>();
MyPostProcessingStack activeStack = myPipelineCamera ?
myPipelineCamera.PostProcessingStack : defaultStack;
bool scaledRendering =
(renderScale <1f || renderScale> 1f) && camera.cameraType == CameraType.Game;
int renderWidth = camera.pixelWidth;
int renderHeight = camera.pixelHeight;
if (scaledRendering)
{
renderWidth = (int)(renderWidth * renderScale);
renderHeight = (int)(renderHeight * renderScale);
}
int renderSamples = camera.allowMSAA ? msaaSamples : 1;
bool renderToTexture = scaledRendering || renderSamples > 1 || activeStack;
bool needsDepth = activeStack && activeStack.NeedsDepth;
bool needsDirectDepth = needsDepth && renderSamples == 1;
bool needsDepthOnlyPass = needsDepth && renderSamples > 1;
RenderTextureFormat format = allowHDR && camera.allowHDR ?
RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default;
if (renderToTexture)
{
cameraBuffer.GetTemporaryRT(
cameraColorTextureId, renderWidth, renderHeight,
needsDirectDepth ? 0 : 24,
FilterMode.Bilinear, format,
RenderTextureReadWrite.Default, renderSamples
);
if (needsDepth)
{
cameraBuffer.GetTemporaryRT(
cameraDepthTextureId, renderWidth, renderHeight, 24,
FilterMode.Point, RenderTextureFormat.Depth,
RenderTextureReadWrite.Linear, 1
);
}
if (needsDirectDepth)
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store,
cameraDepthTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
}
else
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
}
}
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
cameraBuffer.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions
);
cameraBuffer.SetGlobalVectorArray(
visibleLightAttenuationsId, visibleLightAttenuations
);
cameraBuffer.SetGlobalVectorArray(
visibleLightSpotDirectionsId, visibleLightSpotDirections
);
cameraBuffer.SetGlobalVectorArray(
visibleLightOcclusionMasksId, visibleLightOcclusionMasks
);
globalShadowData.z =
1f - cullingParameters.shadowDistance * globalShadowData.y;
cameraBuffer.SetGlobalVector(globalShadowDataId, globalShadowData);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
var drawSettings = new DrawRendererSettings(camera, new ShaderPassName("SRPDefaultUnlit"))
{
flags = drawFlags //,
//rendererConfiguration = RendererConfiguration.PerObjectLightIndices8
};
if (cull.visibleLights.Count > 0)
{
drawSettings.rendererConfiguration =
RendererConfiguration.PerObjectLightIndices8;
}
drawSettings.rendererConfiguration |=
RendererConfiguration.PerObjectReflectionProbes |
RendererConfiguration.PerObjectLightmaps |
RendererConfiguration.PerObjectLightProbe |
RendererConfiguration.PerObjectLightProbeProxyVolume |
RendererConfiguration.PerObjectShadowMask |
RendererConfiguration.PerObjectOcclusionProbe |
RendererConfiguration.PerObjectOcclusionProbeProxyVolume;
drawSettings.sorting.flags = SortFlags.CommonOpaque;
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
context.DrawSkybox(camera);
if (activeStack)
{
if (needsDepthOnlyPass)
{
var depthOnlyDrawSettings = new DrawRendererSettings(
camera, new ShaderPassName("DepthOnly")
)
{
flags = drawFlags
};
depthOnlyDrawSettings.sorting.flags = SortFlags.CommonOpaque;
cameraBuffer.SetRenderTarget(
cameraDepthTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
cameraBuffer.ClearRenderTarget(true, false, Color.clear);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.DrawRenderers(
cull.visibleRenderers, ref depthOnlyDrawSettings, filterSettings
);
}
activeStack.RenderAfterOpaque(
postProcessingBuffer, cameraColorTextureId, cameraDepthTextureId,
renderWidth, renderHeight, renderSamples, format
);
context.ExecuteCommandBuffer(postProcessingBuffer);
postProcessingBuffer.Clear();
//cameraBuffer.SetRenderTarget(
// cameraColorTextureId,
// RenderBufferLoadAction.Load, RenderBufferStoreAction.Store,
// cameraDepthTextureId,
// RenderBufferLoadAction.Load, RenderBufferStoreAction.Store
//);
if (needsDirectDepth)
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store,
cameraDepthTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store
);
}
else
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store
);
}
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
}
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
DrawDefaultPipeline(context, camera);
if (renderToTexture)
{
if (activeStack)
{
activeStack.RenderAfterTransparent(
postProcessingBuffer, cameraColorTextureId,
cameraDepthTextureId, renderWidth, renderHeight,
renderSamples, format
);
context.ExecuteCommandBuffer(postProcessingBuffer);
postProcessingBuffer.Clear();
}
else
{
cameraBuffer.Blit(
cameraColorTextureId, BuiltinRenderTextureType.CameraTarget
);
}
cameraBuffer.ReleaseTemporaryRT(cameraColorTextureId);
if (needsDepth)
{
cameraBuffer.ReleaseTemporaryRT(cameraDepthTextureId);
}
}
//cameraBuffer.EndSample("Render Camera33");
//CoreUtils.SetKeyword(cameraBuffer, clippingKeyword, true);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.Submit();
if (shadowMap)
{
RenderTexture.ReleaseTemporary(shadowMap);
shadowMap = null;
}
if (cascadedShadowMap)
{
RenderTexture.ReleaseTemporary(cascadedShadowMap);
cascadedShadowMap = null;
}
}
public static void Render(ScriptableRenderContext context, IEnumerable <Camera> cameras, SRP07CustomParameter SRP07CP)
{
string tx = "";
foreach (Camera camera in cameras)
{
ScriptableCullingParameters cullingParams;
// Stereo-aware culling parameters are configured to perform a single cull for both eyes
if (!CullResults.GetCullingParameters(camera, out cullingParams))
{
continue;
}
CullResults cull = new CullResults();
CullResults.Cull(ref cullingParams, context, ref cull);
// Setup camera for rendering (sets render target, view/projection matrices and other
// per-camera built-in shader variables).
context.SetupCameraProperties(camera);
// clear depth buffer
CommandBuffer cmd = new CommandBuffer();
cmd.ClearRenderTarget(true, !SRP07CP.DrawSkybox, SRP07CP.ClearColor);
context.ExecuteCommandBuffer(cmd);
cmd.Release();
// Setup global lighting shader variables
SetupLightShaderVariables(cull.visibleLights, context);
if (SRP07CP.DrawSkybox)
{
// Draw skybox
context.DrawSkybox(camera);
}
// Setup DrawSettings and FilterSettings
ShaderPassName passName = new ShaderPassName("BasicPass");
DrawRendererSettings drawSettings = new DrawRendererSettings(camera, passName);
FilterRenderersSettings filterSettings = new FilterRenderersSettings(true);
// ////////////////////////////////////////////////////////////
VisibleLight[] ls = cull.visibleLights.ToArray();
DrawShadowsSettings[] shadowsSettings = new DrawShadowsSettings[ls.Length];
for (int i = 0; i < shadowsSettings.Length; i++)
{
shadowsSettings[i] = new DrawShadowsSettings(cull, i);
}
/*
* if(camera == Camera.main) //Only generate result from main cam
* {
* tx += "DrawShadowsSettings" + "\n"+ "\n";
*
* for (int i=0; i<ls.Length; i++)
* {
* tx += "lightIndex = " + shadowsSettings[i].lightIndex + " (" + ls[i].light.name + ") " + "\n";
* tx += "splitData.cullingPlaneCount = " + shadowsSettings[i].splitData.cullingPlaneCount + "\n";
* tx += "splitData.cullingSphere = " + shadowsSettings[i].splitData.cullingSphere + "\n"+ "\n";
* }
*
* // Output to text
* if (textMesh != null)
* {
* textMesh.text = tx;
* Debug.Log("<color=#0F0>TextMesh is updated</color>");
* }
* else
* {
* tx = "<color=#F00>TextMesh is null</color> Please hit play if you hasn't";
* Debug.Log(tx);
* }
* }
*/
// ////////////////////////////////////////////////////////////
if (SRP07CP.DrawOpaque)
{
// Draw opaque objects using BasicPass shader pass
drawSettings.sorting.flags = SortFlags.CommonOpaque;
filterSettings.renderQueueRange = RenderQueueRange.opaque;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
for (int i = 0; i < shadowsSettings.Length; i++)
{
//if(ls[i].light.shadows != LightShadows.None)
//context.DrawShadows(ref shadowsSettings[i]);
}
}
if (SRP07CP.DrawTransparent)
{
// Draw transparent objects using BasicPass shader pass
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
}
context.Submit();
}
}
void Render(ScriptableRenderContext context, Camera camera)
{
//获取剔除参数
ScriptableCullingParameters cullingParameters;
//使用该方法自动填充剔除参数
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
#if UNITY_EDITOR
//手动将UI添加到scene界面，用于使UI在scene界面显示
if (camera.cameraType == CameraType.SceneView)
{
//这行会在game界面再添加一次UI，导致game界面UI被渲染两次，故外部嵌套条件
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
//使用剔除参数进行剔除，获取剔除结果
CullResults.Cull(ref cullingParameters, context, ref cull); //使用存起来的cull引用减少gc开销
//CullResults cull = CullResults.Cull(ref cullingParameters, context); 这一行由于每帧要生成一个新的struct，生成了大量新gc
//设置摄像机参数，包括vp矩阵
context.SetupCameraProperties(camera);
//CameraClearFlags由一系列表示各种状态的二进制位组成
/*CameraClearFlags clearFlags = camera.clearFlags;
* cameraBuffer.ClearRenderTarget(
* (clearFlags & CameraClearFlags.Depth) != 0,//判断某一位是不是1
* (clearFlags & CameraClearFlags.Color) != 0,
* camera.backgroundColor
* );*/
ConfigureLights();
//设置帧调试器采样
cameraBuffer.BeginSample("Render Camera");
cameraBuffer.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightDirectionsId, visibleLightDirections
);
cameraBuffer.ClearRenderTarget(true, false, Color.clear);
//绘制设置
var drawSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit") //传入Unity默认Unlit shader的名字
);
//绘制不透明物体前设置物体的渲染次序，按zbuffer从近到远的次序渲染
drawSettings.sorting.flags = SortFlags.CommonOpaque;
//由于透明层不会绘制zbuffer，故若绘制次序在skybox之前一定会被skybox遮挡
//过滤器设置，默认为空过滤所有东西，true表示不过滤任何东西全部显示
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque//在绘制天空盒之前先设置只渲染opaque层以及之前（0-2500）
};
//绘制一次（在天空盒前先绘制opaque层及之前）
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
//画天空盒
context.DrawSkybox(camera);
//绘制透明物体前再次设置物体的渲染次序，因为透明物体需要blend，渲染次序和不透明物体反向，按zbuffer从远到近的次序渲染
drawSettings.sorting.flags = SortFlags.CommonTransparent;
//再将filter设置为transparent(2501-5000)用于绘制透明层
filterSettings.renderQueueRange = RenderQueueRange.transparent;
//第二次绘制，绘制透明层次
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
DrawDefaultPipeline(context, camera);
//帧调试器采样
cameraBuffer.EndSample("Render Camera");
//执行命令缓冲区中的命令
context.ExecuteCommandBuffer(cameraBuffer);
//释放命令缓冲区
cameraBuffer.Clear();
//之前只是把命令缓存了，submit函数执行缓存的命令
context.Submit();
}
// Main entry point for our scriptable render loop
public static void Render(ScriptableRenderContext context, IEnumerable <Camera> cameras)
{
bool stereoEnabled = XRSettings.isDeviceActive;
foreach (Camera camera in cameras)
{
// Culling
ScriptableCullingParameters cullingParams;
// Stereo-aware culling parameters are configured to perform a single cull for both eyes
if (!CullResults.GetCullingParameters(camera, stereoEnabled, out cullingParams))
{
continue;
}
CullResults cull = new CullResults();
CullResults.Cull(ref cullingParams, context, ref cull);
// Setup camera for rendering (sets render target, view/projection matrices and other
// per-camera built-in shader variables).
// If stereo is enabled, we also configure stereo matrices, viewports, and XR device render targets
context.SetupCameraProperties(camera, stereoEnabled);
// Draws in-between [Start|Stop]MultiEye are stereo-ized by engine
if (stereoEnabled)
{
context.StartMultiEye(camera);
}
// clear depth buffer
CommandBuffer cmd = new CommandBuffer();
cmd.ClearRenderTarget(true, false, Color.black);
context.ExecuteCommandBuffer(cmd);
cmd.Release();
// Setup global lighting shader variables
SetupLightShaderVariables(cull.visibleLights, context);
// Draw skybox
context.DrawSkybox(camera);
// Setup DrawSettings and FilterSettings
ShaderPassName passName = new ShaderPassName("BasicPass");
DrawRendererSettings drawSettings = new DrawRendererSettings(camera, passName);
FilterRenderersSettings filterSettings = new FilterRenderersSettings(true);
//*************************************************************
// Block
RenderStateBlock rsb = new RenderStateBlock(RenderStateMask.Depth | RenderStateMask.Blend | RenderStateMask.Raster | RenderStateMask.Stencil);
DepthState ds = rsb.depthState;//
ds.writeEnabled = true;
ds.compareFunction = CompareFunction.LessEqual;
rsb.depthState = ds; //
BlendState bs = rsb.blendState; //
RenderTargetBlendState rs0 = bs.blendState0; //
bs.alphaToMask = false;
rs0.sourceColorBlendMode = BlendMode.SrcAlpha;
rs0.destinationColorBlendMode = BlendMode.One;
rs0.colorBlendOperation = BlendOp.Add;
rs0.sourceAlphaBlendMode = BlendMode.Zero;
rs0.destinationAlphaBlendMode = BlendMode.One;
rs0.alphaBlendOperation = BlendOp.Add;
rs0.writeMask = ColorWriteMask.All;
bs.blendState0 = rs0; //
rsb.blendState = bs; //
RasterState rs = rsb.rasterState; //
rs.cullingMode = CullMode.Off;
rs.depthClip = false;
rs.offsetFactor = 0;
rs.offsetUnits = 0;
rsb.rasterState = rs;//
StencilState ss = rsb.stencilState;//
rsb.stencilReference = 0;
ss.compareFunction = CompareFunction.Disabled;
ss.compareFunctionBack = CompareFunction.Disabled;
ss.compareFunctionFront = CompareFunction.Disabled;
ss.failOperation = StencilOp.Keep;
ss.failOperationBack = StencilOp.Keep;
ss.failOperationFront = StencilOp.Keep;
ss.passOperation = StencilOp.Keep;
ss.passOperationBack = StencilOp.Keep;
ss.passOperationFront = StencilOp.Keep;
ss.zFailOperation = StencilOp.Keep;
ss.zFailOperationBack = StencilOp.Keep;
ss.zFailOperationFront = StencilOp.Keep;
ss.readMask = 255;
ss.writeMask = 255;
ss.enabled = true;
rsb.stencilState = ss;//
//**************************************************************
//mapping
RenderStateBlock rsb_opaque = new RenderStateBlock(RenderStateMask.Raster | RenderStateMask.Stencil);
rsb_opaque.rasterState = rsb.rasterState;
rsb_opaque.stencilState = rsb.stencilState;
rsb_opaque.stencilReference = rsb.stencilReference;
RenderStateBlock rsb_trans = new RenderStateBlock(RenderStateMask.Blend);
rsb_trans.blendState = rsb.blendState;
RenderStateBlock rsb_over = new RenderStateBlock(RenderStateMask.Raster | RenderStateMask.Depth | RenderStateMask.Stencil);
rsb_over.depthState = rsb.depthState;
rsb_over.rasterState = rsb.rasterState;
rsb_over.stencilState = rsb.stencilState;
rsb_over.stencilReference = rsb.stencilReference;
List <RenderStateMapping> rsm = new List <RenderStateMapping>
{
new RenderStateMapping("Opaque", rsb_opaque),
new RenderStateMapping("Transparent", rsb_trans),
new RenderStateMapping("Overlay", rsb_over)
};
//**************************************************************
// Draw opaque objects using BasicPass shader pass
filterSettings.layerMask = LayerMask.GetMask("Default");
drawSettings.sorting.flags = SortFlags.CommonOpaque;
filterSettings.renderQueueRange = RenderQueueRange.opaque;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// WITH RENDERSTATEBLOCK OPAQUE
filterSettings.layerMask = LayerMask.GetMask("TransparentFX");
drawSettings.sorting.flags = SortFlags.CommonOpaque;
filterSettings.renderQueueRange = RenderQueueRange.opaque;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings, rsb);
// WITH RENDERSTATEMAPPING OPAQUE
filterSettings.layerMask = LayerMask.GetMask("Ignore Raycast");
drawSettings.sorting.flags = SortFlags.CommonOpaque;
filterSettings.renderQueueRange = RenderQueueRange.opaque;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings, rsm);
//**************************************************************
// Draw transparent objects using BasicPass shader pass
filterSettings.layerMask = LayerMask.GetMask("Default");
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// WITH RENDERSTATEBLOCK TRANSPARENT
filterSettings.layerMask = LayerMask.GetMask("TransparentFX");
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings, rsb);
// WITH RENDERSTATEMAPPING TRANSPARENT
filterSettings.layerMask = LayerMask.GetMask("Ignore Raycast");
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings, rsm);
//**************************************************************
if (stereoEnabled)
{
context.StopMultiEye(camera);
// StereoEndRender will reset state on the camera to pre-Stereo settings,
// and invoke XR based events/callbacks.
context.StereoEndRender(camera);
}
context.Submit();
}
}
public override void Render(ScriptableRenderContext context, Camera[] cameras)
{
base.Render(context, cameras);
foreach (Camera camera in cameras)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
continue;
}
cullingParameters.shadowDistance = Mathf.Min(m_ShadowSettings.maxShadowDistance, camera.farClipPlane);
CullResults.Cull(ref cullingParameters, context, ref m_CullResults);
VisibleLight[] visibleLights = m_CullResults.visibleLights.ToArray();
LightData lightData;
InitializeLightData(visibleLights, out lightData);
// Render Shadow Map
if (lightData.shadowLightIndex > -1)
{
lightData.shadowsRendered = RenderShadows(ref m_CullResults, ref visibleLights[lightData.shadowLightIndex], lightData.shadowLightIndex, ref context);
}
// Setup camera matrices and RT
context.SetupCameraProperties(camera);
// Setup light and shadow shader constants
SetupShaderLightConstants(visibleLights, ref lightData, ref m_CullResults, ref context);
if (lightData.shadowsRendered)
{
SetupShadowShaderConstants(ref context, ref visibleLights[lightData.shadowLightIndex], lightData.shadowLightIndex, m_ShadowCasterCascadesCount);
}
SetShaderKeywords(ref lightData, ref context);
RendererConfiguration configuration = RendererConfiguration.PerObjectReflectionProbes;
if (m_Asset.EnableLightmap)
{
configuration |= RendererConfiguration.PerObjectLightmaps;
}
if (m_Asset.EnableAmbientProbe)
{
configuration |= RendererConfiguration.PerObjectLightProbe;
}
if (!lightData.isSingleDirectionalLight)
{
configuration |= RendererConfiguration.PerObjectLightIndices8;
}
BeginForwardRendering(camera, ref context);
// Render Opaques
var litSettings = new DrawRendererSettings(m_CullResults, camera, m_LitPassName);
litSettings.sorting.flags = SortFlags.CommonOpaque;
litSettings.inputFilter.SetQueuesOpaque();
litSettings.rendererConfiguration = configuration;
var unlitSettings = new DrawRendererSettings(m_CullResults, camera, m_UnlitPassName);
unlitSettings.sorting.flags = SortFlags.CommonTransparent;
unlitSettings.inputFilter.SetQueuesTransparent();
context.DrawRenderers(ref litSettings);
// Release temporary RT
var discardRT = CommandBufferPool.Get();
discardRT.ReleaseTemporaryRT(m_ShadowMapProperty);
discardRT.ReleaseTemporaryRT(m_CameraRTProperty);
context.ExecuteCommandBuffer(discardRT);
CommandBufferPool.Release(discardRT);
// TODO: Check skybox shader
context.DrawSkybox(camera);
// Render Alpha blended
litSettings.sorting.flags = SortFlags.CommonTransparent;
litSettings.inputFilter.SetQueuesTransparent();
context.DrawRenderers(ref litSettings);
context.DrawRenderers(ref unlitSettings);
EndForwardRendering(camera, ref context);
}
context.Submit();
}
public override void Render(ScriptableRenderContext context, Camera[] cameras)
{
if (m_IsCameraRendering)
{
Debug.LogWarning("Nested camera rendering is forbidden. If you are calling camera.Render inside OnWillRenderObject callback, use BeginCameraRender callback instead.");
return;
}
base.Render(context, cameras);
BeginFrameRendering(cameras);
GraphicsSettings.lightsUseLinearIntensity = true;
SetupPerFrameShaderConstants();
// Sort cameras array by camera depth
Array.Sort(cameras, m_CameraComparer);
foreach (Camera camera in cameras)
{
BeginCameraRendering(camera);
string renderCameraTag = "Render " + camera.name;
CommandBuffer cmd = CommandBufferPool.Get(renderCameraTag);
using (new ProfilingSample(cmd, renderCameraTag))
{
CameraData cameraData;
InitializeCameraData(camera, out cameraData);
SetupPerCameraShaderConstants(cameraData);
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, cameraData.isStereoEnabled, out cullingParameters))
{
CommandBufferPool.Release(cmd);
continue;
}
cullingParameters.shadowDistance = Mathf.Min(cameraData.maxShadowDistance, camera.farClipPlane);
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
#if UNITY_EDITOR
try
#endif
{
m_IsCameraRendering = true;
#if UNITY_EDITOR
// Emit scene view UI
if (cameraData.isSceneViewCamera)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref m_CullResults);
List <VisibleLight> visibleLights = m_CullResults.visibleLights;
RenderingData renderingData;
InitializeRenderingData(ref cameraData, visibleLights,
m_Renderer.maxSupportedLocalLightsPerPass, m_Renderer.maxSupportedVertexLights,
out renderingData);
m_Renderer.Setup(ref context, ref m_CullResults, ref renderingData);
m_Renderer.Execute(ref context, ref m_CullResults, ref renderingData);
}
#if UNITY_EDITOR
catch (Exception)
{
CommandBufferPool.Release(cmd);
throw;
}
finally
#endif
{
m_IsCameraRendering = false;
}
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
context.Submit();
}
}
void Render(ScriptableRenderContext context, Camera camera)
{
//取得culling 物件資訊
ScriptableCullingParameters cullingParameters;
context.SetupCameraProperties(camera);
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
//在Cull前 Draw UI
#if UNITY_EDITOR
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cull);
//Clear Buffer
var cameraBuff = new CommandBuffer {
name = "Render Camera"
};
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuff.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
ConfigureLights();
cameraBuff.BeginSample("Render Camera");
//傳遞光線參數到Shaders
cameraBuff.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuff.SetGlobalVectorArray(
visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions
);
cameraBuff.SetGlobalVectorArray(
visibleLightAttenuationsId, visibleLightAttenuations
);
cameraBuff.SetGlobalVectorArray(
visibleLightSpotDirectionsId, visibleLightSpotDirections
);
context.ExecuteCommandBuffer(cameraBuff);
cameraBuff.Clear();
//設置drawSettings
var drawSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit")
);
drawSettings.sorting.flags = SortFlags.CommonOpaque;
drawSettings.flags = drawFlags; //套上 DynamicBatching 設定
//Draw opaque(非透明)
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
//Draw SkyBox
context.DrawSkybox(camera);
//Draw Transparent(透明)
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
DrawDefaultPipeline(context, camera);
cameraBuff.EndSample("Render Camera");
context.ExecuteCommandBuffer(cameraBuff);
cameraBuff.Release();
context.Submit();
}
private void Render(ScriptableRenderContext renderContext, Camera camera)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
#if UNITY_EDITOR
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, renderContext, ref _cullResult);
renderContext.SetupCameraProperties(camera);
/*
#region Orignal Version
* // GC优化
* var buffer = new CommandBuffer {
* name = "Render Camera"
* };
*
* ClearRenderTarget(buffer);
* ClearRenderTargetPerCamera(buffer, camera);
* // this doesn't immediately execute the commands,
* // but copies them to the internal buffer of the context.
* renderContext.ExecuteCommandBuffer(buffer);
* buffer.Release();
#endregion
*/
#region Optimize Version
_cameraBuffer.BeginSample("Render Camera");
_cameraBuffer.SetGlobalVectorArray(_visibleLightColorsId, _visibleLightColors);
_cameraBuffer.SetGlobalVectorArray(_visibleLightDirectionId, _visibleLightColors);
CameraClearFlags clearFlag = camera.clearFlags;
_cameraBuffer.ClearRenderTarget(
(clearFlag & CameraClearFlags.Depth) != 0,
(clearFlag & CameraClearFlags.Color) != 0,
camera.backgroundColor);
ConfigureLights();
// this doesn't immediately execute the commands,
// but copies them to the internal buffer of the context.
renderContext.ExecuteCommandBuffer(_cameraBuffer);
_cameraBuffer.Clear();
#endregion
#region Draw Opaque Queue
var drawRendererSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit"));
drawRendererSettings.flags = _drawFlags;
// front to back, (over draw)
drawRendererSettings.sorting.flags = SortFlags.CommonOpaque;
var filterRendererSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
renderContext.DrawRenderers(_cullResult.visibleRenderers,
ref drawRendererSettings,
filterRendererSettings);
#endregion
#region Draw Background
renderContext.DrawSkybox(camera);
#endregion
#region Draw Transparent Queue
// draw from back to front
drawRendererSettings.sorting.flags = SortFlags.CommonTransparent;
filterRendererSettings.renderQueueRange = RenderQueueRange.transparent;
renderContext.DrawRenderers(_cullResult.visibleRenderers,
ref drawRendererSettings,
filterRendererSettings);
#endregion
DrawDefaultPipeline(renderContext, camera);
_cameraBuffer.EndSample("Render Camera");
renderContext.ExecuteCommandBuffer(_cameraBuffer);
_cameraBuffer.Clear();
renderContext.Submit();
}
void Render(ScriptableRenderContext context, Camera camera)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
cullingParameters.shadowDistance =
Mathf.Min(shadowDistance, camera.farClipPlane);
#if UNITY_EDITOR
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cull);
if (cull.visibleLights.Count > 0)
{
ConfigureLights();
if (mainLightExists)
{
RenderCascadedShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
}
if (shadowTileCount > 0)
{
RenderShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
}
else
{
cameraBuffer.SetGlobalVector(
lightIndicesOffsetAndCountID, Vector4.zero
);
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
context.SetupCameraProperties(camera);
var myPipelineCamera = camera.GetComponent <MyPipelineCamera>();
MyPostProcessingStack activeStack = myPipelineCamera ?
myPipelineCamera.PostProcessingStack : defaultStack;
if (activeStack)
{
cameraBuffer.GetTemporaryRT(
cameraColorTextureId, camera.pixelWidth, camera.pixelHeight, 0,
FilterMode.Bilinear
);
cameraBuffer.GetTemporaryRT(
cameraDepthTextureId, camera.pixelWidth, camera.pixelHeight, 24,
FilterMode.Point, RenderTextureFormat.Depth
);
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store,
cameraDepthTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
}
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
cameraBuffer.BeginSample("Render Camera");
cameraBuffer.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions
);
cameraBuffer.SetGlobalVectorArray(
visibleLightAttenuationsId, visibleLightAttenuations
);
cameraBuffer.SetGlobalVectorArray(
visibleLightSpotDirectionsId, visibleLightSpotDirections
);
cameraBuffer.SetGlobalVectorArray(
visibleLightOcclusionMasksId, visibleLightOcclusionMasks
);
globalShadowData.z =
1f - cullingParameters.shadowDistance * globalShadowData.y;
cameraBuffer.SetGlobalVector(globalShadowDataId, globalShadowData);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
var drawSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit")
)
{
flags = drawFlags
};
if (cull.visibleLights.Count > 0)
{
drawSettings.rendererConfiguration =
RendererConfiguration.PerObjectLightIndices8;
}
drawSettings.rendererConfiguration |=
RendererConfiguration.PerObjectReflectionProbes |
RendererConfiguration.PerObjectLightmaps |
RendererConfiguration.PerObjectLightProbe |
RendererConfiguration.PerObjectLightProbeProxyVolume |
RendererConfiguration.PerObjectShadowMask |
RendererConfiguration.PerObjectOcclusionProbe |
RendererConfiguration.PerObjectOcclusionProbeProxyVolume;
drawSettings.sorting.flags = SortFlags.CommonOpaque;
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
context.DrawSkybox(camera);
if (activeStack)
{
activeStack.RenderAfterOpaque(
postProcessingBuffer, cameraColorTextureId, cameraDepthTextureId,
camera.pixelWidth, camera.pixelHeight
);
context.ExecuteCommandBuffer(postProcessingBuffer);
postProcessingBuffer.Clear();
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store,
cameraDepthTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store
);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
}
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
DrawDefaultPipeline(context, camera);
if (activeStack)
{
activeStack.RenderAfterTransparent(
postProcessingBuffer, cameraColorTextureId, cameraDepthTextureId,
camera.pixelWidth, camera.pixelHeight
);
context.ExecuteCommandBuffer(postProcessingBuffer);
postProcessingBuffer.Clear();
cameraBuffer.ReleaseTemporaryRT(cameraColorTextureId);
cameraBuffer.ReleaseTemporaryRT(cameraDepthTextureId);
}
cameraBuffer.EndSample("Render Camera");
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.Submit();
if (shadowMap)
{
RenderTexture.ReleaseTemporary(shadowMap);
shadowMap = null;
}
if (cascadedShadowMap)
{
RenderTexture.ReleaseTemporary(cascadedShadowMap);
cascadedShadowMap = null;
}
}
public override void Render(ScriptableRenderContext context, Camera[] cameras)
{
base.Render(context, cameras);
foreach (var camera in cameras)
{
if (!CullResults.Cull(camera, context, out m_CullResults))
{
continue;
}
context.SetupCameraProperties(camera);
{
var cmd = CommandBufferPool.Get("Clear");
cmd.ClearRenderTarget(true, true, Color.black);
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
{
var cmd = CommandBufferPool.Get("Set-up Light Buffer");
var lightCount = m_CullResults.visibleLights.Count;
// We need to build up the data we want to put into the ComputeBuffer, as we cannot write directly
// to it. We use a native array for this, as the allocation will be extremely cheap when using the
// temp allocator.
// Each light uses 2 x float4 values in the shader, so we allocate 2 x Vector4 per light. You could
// also create a C# struct that mirrors the HLSL struct, but be careful wrt. packing rules.
var lightArray = new NativeArray <Vector4>(lightCount * 2, Allocator.Temp);
// Loop over all the lights and fill up the light buffer.
for (var i = 0; i < lightCount; i++)
{
var light = m_CullResults.visibleLights[i];
// Let's decide what to put in the first float4. Depending on whether it's a point light or a
// directional light, we store position or direction in here, respectively.
// Note that you can choose your own format if you want to. Just make sure it maches on both the
// shader side and the C# side.
Vector4 lightData;
if (light.lightType == LightType.Directional)
{
// If it's a directional light we store direction in the xyz components, and a negative
// value in the w component. This allows us to identify whether it is a directional light.
lightData = light.localToWorld.MultiplyVector(Vector3.back);
lightData.w = -1;
}
else if (light.lightType == LightType.Point)
{
// If it's a point light we store position in the xyz components, and range in the w
// component.
lightData = light.localToWorld.GetColumn(3);
lightData.w = light.range;
}
else
{
// If it's not a point light or a directional light, we ignore the light.
continue;
}
// Finally we put the values into the light buffer.
lightArray[i * 2] = lightData;
lightArray[i * 2 + 1] = light.finalColor;
}
// Now that our native array with light data is all filled up, we put it into the light buffer.
m_LightBuffer.SetData(lightArray);
// We can now now safely dispose of the light array. This is important as we would otherwise leak
// memory.
lightArray.Dispose();
// Finally, make it available for use in shaders.
cmd.SetGlobalBuffer("_LightBuffer", m_LightBuffer);
cmd.SetGlobalInt("_LightCount", lightCount);
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
}
var drawSettings = new DrawRendererSettings(camera, new ShaderPassName("Forward"));
var filterSettings = new FilterRenderersSettings(true);
drawSettings.sorting.flags = SortFlags.CommonOpaque;
filterSettings.renderQueueRange = RenderQueueRange.opaque;
context.DrawRenderers(m_CullResults.visibleRenderers, ref drawSettings, filterSettings);
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(m_CullResults.visibleRenderers, ref drawSettings, filterSettings);
context.Submit();
}
}
public void Render(ScriptableRenderContext ctx, Camera camera)
{
//
// CULLING
//
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters)) // fill culling params from our camera
{
return; // can fail, we wont be able to cull in that case, so, return.
}
// Add world-space UI elements to the scene view, only in editor mode.
// Needs to be done before culling.
#if UNITY_EDITOR
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
// Actually cull, using the predefined method. "cull" contains info about what is visible.
CullResults.Cull(ref cullingParameters, ctx, ref cull);
//
// SETUP camera
//
ctx.SetupCameraProperties(camera); // pass camera matrices to shaders
//
// CLEAR
//
//cameraBuffer.BeginSample("");
CameraClearFlags cf = camera.clearFlags;
cameraBuffer.ClearRenderTarget(
(cf & CameraClearFlags.Depth) != 0, // use the camera flags DEPTH
(cf & CameraClearFlags.Color) != 0, // use the camera flags COLOR
Color.clear);
if (cull.visibleLights.Count > 0)
{
ConfigureLights();
}
else
{
cameraBuffer.SetGlobalVector(lightIndicesOffsetAndCountId, Vector4.zero);
}
// send the light buffer(s) to the GPU
cameraBuffer.SetGlobalVectorArray(visibleLightColorsId, visibleLightColors);
cameraBuffer.SetGlobalVectorArray(visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions);
cameraBuffer.SetGlobalVectorArray(visibleLightAttenuationsId, visibleLightAttenuations);
cameraBuffer.SetGlobalVectorArray(visibleLightSpotDirectionsId, visibleLightSpotDirections);
//cameraBuffer.EndSample("Render Camera");
ctx.ExecuteCommandBuffer(cameraBuffer); // pushes this buffer commands to the context internal buffer
cameraBuffer.Clear(); // Release(); // Clear instead of Release since we reuse the variable.
//
// DRAW opaque RENDERERS
//
var drawSettings = new DrawRendererSettings(
camera, // used for sorting and layers
new ShaderPassName("SRPDefaultUnlit") // used, obviously, as the shader to use to draw.
)
{
flags = drawFlags, // enable [optional] batching of small objects, and instancing.
};
if (cull.visibleLights.Count > 0) // or else Unity crashes...
{
drawSettings.rendererConfiguration = RendererConfiguration.PerObjectLightIndices8; // Forward+, 8 light indices per object
}
drawSettings.sorting.flags = SortFlags.CommonOpaque; // front-to-back sort for opaque objects
var filterSettings = new FilterRenderersSettings(true) // true = include everything
{
renderQueueRange = RenderQueueRange.opaque // range 0-2500
};
ctx.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
//
//
//
ctx.DrawSkybox(camera); // pre-defined function, does not need a command buffer.
//
// DRAW transparent RENDERERS (after the skybox)
//
drawSettings.sorting.flags = SortFlags.CommonTransparent; // back-to-front sort for transparent objects
filterSettings.renderQueueRange = RenderQueueRange.transparent; // range 2501-5000
ctx.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// Draw non-supported materials with the Unity Error Shader
DrawDefaultPipeline(ctx, camera);
// reuse the cameraBuffer just to push the EndSample command
//cameraBuffer.EndSample("Render Camera");
//cameraBuffer.EndSample("");
//ctx.ExecuteCommandBuffer(cameraBuffer); // pushes this buffer commands to the context internal buffer
//cameraBuffer.Clear(); // Release(); // Clear instead of Release since we reuse the variable.
ctx.Submit(); // commands are buffered in the context. flush.
}
void Render(ScriptableRenderContext context, Camera camera)
{
//Culling
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
#if UNITY_EDITOR
//add UI to SceneWindow
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cull);
//shadows
if (cull.visibleLights.Count > 0)
{
ConfigureLights();
if (shadowTileCount > 0)
{
RenderShadows(context);
}
else
{ //no shadows
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
}
else //no lights
{
cameraBuffer.SetGlobalVector(lightIndicesOffsetAndCountID, Vector4.zero);
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
//Setup Camera parameters
context.SetupCameraProperties(camera); //set MVP matrix, etc.
//Setup Command Buffer and Execute
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
cameraBuffer.BeginSample("Render Camera"); //start a sub-level
//transfer light properties to buffers in shader
cameraBuffer.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions
);
cameraBuffer.SetGlobalVectorArray(
visibleLightAttenuationsId, visibleLightAttenuations
);
cameraBuffer.SetGlobalVectorArray(
visibleLightSpotDirectionsId, visibleLightSpotDirections
);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
//Draw Opaque, Unlit Shader
var drawSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit"))
{
flags = drawFlags,
};
if (cull.visibleLights.Count > 0)
{
drawSettings.rendererConfiguration = RendererConfiguration.PerObjectLightIndices8;
}
drawSettings.sorting.flags = SortFlags.CommonOpaque;
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings);
//Draw Skybox
context.DrawSkybox(camera);
//Draw Transparent
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
//Conditions for default pipelines
DrawDefaultPipeline(context, camera);
cameraBuffer.EndSample("Render Camera"); //end the sub-level
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.Submit();
if (shadowMap)
{
RenderTexture.ReleaseTemporary(shadowMap);
shadowMap = null;
}
}//end Render
public override void Render(ScriptableRenderContext renderContext, Camera[] cameras)
{
base.Render(renderContext, cameras);
ScriptableCullingParameters cullingParams;
CullResults cull = new CullResults();
foreach (var item in cameras)
{
renderContext.SetupCameraProperties(item);
// Culling
if (!CullResults.GetCullingParameters(item, out cullingParams))
{
continue;
}
// use cull parameters to cull unvisible object, return what is visible
CullResults.Cull(ref cullingParams, renderContext, ref cull);
CameraClearFlags clearFlags = item.clearFlags;
//clear z stencil
commandBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
clearColor
);
renderContext.ExecuteCommandBuffer(commandBuffer);
commandBuffer.Dispose();
//use default pass name,which is include in build-in shader
var settings = new DrawRendererSettings(
item, new ShaderPassName("BaseShader")
);
// Draw opaque objects using BasicPass shader pass
// var settings = new DrawRendererSettings(item, new ShaderPassName("BasicPass"));
//sort flag definition a sort regulation of render order
settings.sorting.flags = SortFlags.CommonOpaque;
//draw opaque first
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
//Why FilterRenderersSettings and not FilterRendererSettings?
renderContext.DrawRenderers(cull.visibleRenderers, ref settings, filterSettings);
renderContext.DrawSkybox(item);
//after opaque objects are drawed, command line start darw transparent objects
//the render order of visible objets is sorted by unity render command.
//On the surface, it seems that the order is sorted by distance between camera and objects,
//Is a black box,check the sort model in the source code
filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.transparent
};
//filterSettings.renderQueueRange = RenderQueueRange.transparent;
settings.sorting.flags = SortFlags.CommonTransparent;
//Why FilterRenderersSettings and not FilterRendererSettings?
renderContext.DrawRenderers(cull.visibleRenderers, ref settings, filterSettings);
renderContext.Submit();
}
}
public override void Render(ScriptableRenderContext context, Camera[] cameras)
{
var prevPipe = Shader.globalRenderPipeline;
Shader.globalRenderPipeline = "LowEndMobilePipeline";
base.Render(context, cameras);
foreach (Camera camera in cameras)
{
CullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
continue;
}
cullingParameters.shadowDistance = m_ShadowSettings.maxShadowDistance;
CullResults cull = CullResults.Cull(ref cullingParameters, context);
VisibleLight[] visibleLights = cull.visibleLights;
int pixelLightsCount, vertexLightsCount;
GetMaxSupportedLights(visibleLights.Length, out pixelLightsCount, out vertexLightsCount);
SortLights(ref visibleLights, pixelLightsCount);
// TODO: Add remaining lights to SH
// Render Shadow Map
bool shadowsRendered = false;
if (m_ShadowLightIndex > -1)
{
shadowsRendered = RenderShadows(cull, visibleLights[m_ShadowLightIndex], context);
}
// Setup camera matrices and RT
context.SetupCameraProperties(camera);
// Clear RenderTarget to avoid tile initialization on mobile GPUs
// https://community.arm.com/graphics/b/blog/posts/mali-performance-2-how-to-correctly-handle-framebuffers
var cmd = new CommandBuffer()
{
name = "Clear"
};
cmd.ClearRenderTarget(true, true, camera.backgroundColor);
context.ExecuteCommandBuffer(cmd);
cmd.Dispose();
// Setup light and shadow shader constants
SetupLightShaderVariables(visibleLights, pixelLightsCount, vertexLightsCount, context);
if (shadowsRendered)
{
SetupShadowShaderVariables(context, m_ShadowCasterCascadesCount);
}
// Render Opaques
var settings = new DrawRendererSettings(cull, camera, m_ForwardBasePassName);
settings.sorting.flags = SortFlags.CommonOpaque;
settings.inputFilter.SetQueuesOpaque();
settings.rendererConfiguration = RendererConfiguration.PerObjectReflectionProbes;
if (m_Asset.EnableLightmap)
{
settings.rendererConfiguration |= RendererConfiguration.PerObjectLightmaps;
}
if (m_Asset.EnableAmbientProbe)
{
settings.rendererConfiguration |= RendererConfiguration.PerObjectLightProbe;
}
context.DrawRenderers(ref settings);
// Release temporary RT
var discardRT = new CommandBuffer();
discardRT.ReleaseTemporaryRT(m_ShadowMapProperty);
context.ExecuteCommandBuffer(discardRT);
discardRT.Dispose();
// TODO: Check skybox shader
context.DrawSkybox(camera);
// Render Alpha blended
settings.sorting.flags = SortFlags.CommonTransparent;
settings.inputFilter.SetQueuesTransparent();
context.DrawRenderers(ref settings);
}
context.Submit();
Shader.globalRenderPipeline = prevPipe;
}
private static readonly ShaderPassName m_UnlitPassName = new ShaderPassName("SRPDefaultUnlit"); //For default shaders
public static void Render(ScriptableRenderContext context, Camera[] cameras)
{
RenderPipeline.BeginFrameRendering(cameras);
foreach (Camera camera in cameras)
{
RenderPipeline.BeginCameraRendering(camera);
// Culling
ScriptableCullingParameters cullingParams;
if (!CullResults.GetCullingParameters(camera, out cullingParams))
{
continue;
}
CullResults cull = new CullResults();
CullResults.Cull(ref cullingParams, context, ref cull);
//==============================================
if (camera.name == "MainCamera" || camera.name == "AllCam" || camera.name == "NoneCam")
{
string tx = "";
tx += "Culling Result of : " + camera.name + " \n";
tx += "\n";
//-------------------------------
VisibleLight[] ls = cull.visibleLights.ToArray();
tx += "Lights : Visible : " + ls.Length + "\n";
if (lights != null)
{
for (int i = 0; i < lights.Length; i++)
{
int existed = 0;
for (int j = 0; j < ls.Length; j++)
{
if (lights[i] == ls[j].light)
{
existed++;
}
}
if (existed > 0)
{
tx += lights[i].gameObject.name + " : <color=#0F0>Visible</color>" + "\n";
}
else
{
tx += lights[i].gameObject.name + " : <color=#F00>Not Visible</color>" + "\n";
}
}
}
else
{
tx += "Light list is null \n";
}
tx += "\n";
//-------------------------------
VisibleReflectionProbe[] rs = cull.visibleReflectionProbes.ToArray();
tx += "Reflection Probes : Visible : " + rs.Length + "\n";
if (reflprobes != null)
{
for (int i = 0; i < reflprobes.Length; i++)
{
int existed = 0;
for (int j = 0; j < rs.Length; j++)
{
if (reflprobes[i] == rs[j].probe)
{
existed++;
}
}
if (existed > 0)
{
tx += reflprobes[i].gameObject.name + " : <color=#0F0>Visible</color>" + "\n";
}
else
{
tx += reflprobes[i].gameObject.name + " : <color=#F00>Not Visible</color>" + "\n";
}
}
}
else
{
tx += "reflection probe list is null \n";
}
tx += "\n";
//-------------------------------
tx += "Renderers : \n";
if (rens != null)
{
for (int i = 0; i < rens.Length; i++)
{
if (rens[i].isVisible)
{
tx += rens[i].gameObject.name + " <color=#0F0>Yes</color> \n";
}
else
{
tx += rens[i].gameObject.name + " <color=#F00>No</color> \n";
}
}
tx += "\n";
}
//-------------------------------
//Show debug msg on TextMesh
//Debug.Log(tx);
if (textMesh != null)
{
textMesh.text = tx;
//Debug.Log("<color=#0F0>TextMesh is updated</color>");
}
else
{
tx = "<color=#F00>TextMesh is null</color> Please hit play if you hasn't";
//Debug.Log(tx);
}
//update = false;
}
//==============================================
context.SetupCameraProperties(camera);
// clear depth buffer
CommandBuffer cmd = new CommandBuffer();
cmd.ClearRenderTarget(true, false, Color.black);
context.ExecuteCommandBuffer(cmd);
cmd.Release();
// Setup global lighting shader variables
SetupLightShaderVariables(cull.visibleLights, context);
// Draw skybox
context.DrawSkybox(camera);
// Setup DrawSettings and FilterSettings
ShaderPassName passName = new ShaderPassName("BasicPass");
DrawRendererSettings drawSettings = new DrawRendererSettings(camera, passName);
FilterRenderersSettings filterSettings = new FilterRenderersSettings(true);
//Draw passes that has no light mode (default)
ShaderPassName passNameDefault = new ShaderPassName("");
DrawRendererSettings drawSettingsDefault = new DrawRendererSettings(camera, passNameDefault);
drawSettingsDefault.SetShaderPassName(1, m_UnlitPassName);
// Draw opaque objects using BasicPass shader pass
drawSettings.sorting.flags = SortFlags.CommonOpaque;
filterSettings.renderQueueRange = RenderQueueRange.opaque;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// Default
drawSettingsDefault.sorting.flags = SortFlags.CommonOpaque;
context.DrawRenderers(cull.visibleRenderers, ref drawSettingsDefault, filterSettings);
// Draw transparent objects using BasicPass shader pass
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// Default
drawSettingsDefault.sorting.flags = SortFlags.CommonTransparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettingsDefault, filterSettings);
context.Submit();
}
}
//### main render methodes #############################################################################################################
//this methode reenders vertexIds and baycentric coordinates in uv space for each object
//it's called by the Render(...) at the beginning
//Input: renderContext: ScriptableRenderContext
// camera: Camera in scene
//Output: List<ObjData>, list of all objects with renderer in scene
List <ObjData> UVRenderer(ScriptableRenderContext context, Camera camera) //initialize list
{
List <ObjData> sceneObjects = new List <ObjData>(); //used as return value
//object id
int id = 0;
//iterate objects
foreach (MeshFilter mesh in GameObject.FindObjectsOfType <MeshFilter>())
{
//setup _______________________________________________________________________________________________________________________________________________
//set camera to only render uv render layer
int camCullMask = camera.cullingMask;
camera.cullingMask = 1 << 9;
context.SetupCameraProperties(camera);
//setup struct for object
ObjData obj = new ObjData();
obj.obj = mesh.gameObject;
obj.obj.GetComponent <Renderer>().material.SetInt("_ID", id++);
obj.tileMask = CreateRenderTexture(MAX_TEXTURE_SIZE / TILE_SIZE * 2, MAX_TEXTURE_SIZE / TILE_SIZE, RenderTextureFormat.R8);
//move object to uv render layer
int objLayer = obj.obj.layer;
obj.obj.layer = 9;
//Initilize RenderTexture for baycentric coordinate/vertex id
RenderTexture bayCent = new RenderTexture(MAX_TEXTURE_SIZE, MAX_TEXTURE_SIZE, 0, RenderTextureFormat.ARGB32);
bayCent.filterMode = FilterMode.Point;
bayCent.anisoLevel = 0;
bayCent.Create();
RenderTexture vertexIds = new RenderTexture(MAX_TEXTURE_SIZE, MAX_TEXTURE_SIZE, 24, RenderTextureFormat.ARGBInt);
vertexIds.filterMode = FilterMode.Point;
vertexIds.anisoLevel = 0;
vertexIds.Create();
obj.obj.GetComponent <Renderer>().material.SetTexture("_TextureAtlas", CreateRenderTexture(MAX_TEXTURE_SIZE * 2, MAX_TEXTURE_SIZE, RenderTextureFormat.ARGB32));
//culling _____________________________________________________________________________________________________________________________________________
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return(null);
}
CullResults.Cull(ref cullingParameters, context, ref cull);
//set render target ___________________________________________________________________________________________________________________________________
RenderBuffer[] cBuffer = new RenderBuffer[2] {
bayCent.colorBuffer, vertexIds.colorBuffer
};
camera.SetTargetBuffers(cBuffer, bayCent.depthBuffer);
//clearing ____________________________________________________________________________________________________________________________________________
//clearing render target
cameraBuffer.ClearRenderTarget(true, true, new Color(0, 0, 0, 0));
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
//drawing _____________________________________________________________________________________________________________________________________________
//setting
DrawRendererSettings drawSettings = new DrawRendererSettings(camera, new ShaderPassName("SRPDefaultUnlit"));
drawSettings.sorting.flags = SortFlags.CommonOpaque;
FilterRenderersSettings filterSettings = new FilterRenderersSettings(true);
drawSettings.SetOverrideMaterial(new Material(Shader.Find("Custom/UVRenderer")), 0);
//draw unlit opaque materials
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
context.Submit();
//finish _____________________________________________________________________________________________________________________________________________
//move object and camera back to original layer
obj.obj.layer = objLayer;
camera.cullingMask = camCullMask;
//set object properties
obj.obj.GetComponent <Renderer>().material.SetTexture("_BaycentCoords", bayCent);
obj.bayCent = bayCent;
obj.obj.GetComponent <Renderer>().material.SetTexture("_VertexIDs", vertexIds);
//add object to result list
sceneObjects.Add(obj);
//reset render taget
Graphics.SetRenderTarget(null);
}
//return list
return(sceneObjects);
}
void Render(ScriptableRenderContext context, Camera camera)
{
//渲染上下文
context.SetupCameraProperties(camera);
CameraClearFlags clearFlags = camera.clearFlags;
//清屏
commandBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
//配置光源
ConfigureLights();
commandBuffer.BeginSample("Render Camera");
//设置光照数据
commandBuffer.SetGlobalVectorArray(visibleLightColorsId, visibleLightColors);
commandBuffer.SetGlobalVectorArray(visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions);
commandBuffer.SetGlobalVectorArray(visibleLightAttenuationsId, visibleLightAttenuations);
context.ExecuteCommandBuffer(commandBuffer);
commandBuffer.Clear();
//剔除
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
#if UNITY_EDITOR
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cull);
//调用Unity默认的pass unlit pass
DrawRendererSettings drawSettings = new DrawRendererSettings(camera, new ShaderPassName("SRPDefaultUnlit"));
drawSettings.flags = drawFlags;
drawSettings.sorting.flags = SortFlags.CommonOpaque;
//渲染过滤器
FilterRenderersSettings filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
//渲染不透明物体
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
//渲染天空盒
context.DrawSkybox(camera);
//渲染透明物体
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
filterSettings.renderQueueRange = RenderQueueRange.transparent;
DrawDefaultPipeline(context, camera);
commandBuffer.EndSample("Render Camera");
context.ExecuteCommandBuffer(commandBuffer);
commandBuffer.Clear();
context.Submit();
}
void Render(ScriptableRenderContext context, Camera camera)
{
// 剔除参数
ScriptableCullingParameters cullingParameters;
// 获取剔除参数
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
// 如果相机设定非法，直接返回
return;
}
// 设置阴影参数
cullingParameters.shadowDistance = Mathf.Min(shadowDistance, camera.farClipPlane);
// 仅在编辑模式下
#if UNITY_EDITOR
// 仅在渲染场景视图时。否则游戏视图中的UI元素会被渲染两次
if (camera.cameraType == CameraType.SceneView)
{
// 当canvas的渲染被设置在世界空间时，UI元素不会出现在场景视图中
// 需要手动指定以使其正确显示
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
// 剔除
CullResults.Cull(ref cullingParameters, context, ref cull);
if (cull.visibleLights.Count > 0)
{
ConfigureLights();
if (mainLightExists)
{
RenderCascadedShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
}
if (shadowTileCount > 0)
{
RenderShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
}
else
{
// 由于该值会被保留为上一个物体使用的值，因此需要手动设置
cameraBuffer.SetGlobalVector(lightIndicesOffsetAndCountID, Vector4.zero);
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
// 设置unity_MatrixVP，以及一些其他属性
context.SetupCameraProperties(camera);
// 获取摄像机的定制后处理栈
var myPipelineCamera = camera.GetComponent <MyPipelineCamera>();
MyPostProcessingStack activeStack = myPipelineCamera ? myPipelineCamera.PostProcessingStack : defaultStack;
// 只影响游戏摄像机
bool scaledRendering = (renderScale <1f || renderScale> 1f) && camera.cameraType == CameraType.Game;
int renderWidth = camera.pixelWidth;
int renderHeight = camera.pixelHeight;
if (scaledRendering)
{
renderWidth = (int)(renderWidth * renderScale);
renderHeight = (int)(renderHeight * renderScale);
}
// 摄像机是否开启MSAA
int renderSamples = camera.allowMSAA ? msaaSamples : 1;
// 开启渲染到纹理
bool renderToTexture = scaledRendering || renderSamples > 1 || activeStack;
// 是否需要深度纹理（深度纹理不支持MSAA）
bool needsDepth = activeStack && activeStack.NeedsDepth;
bool needsDirectDepth = needsDepth && renderSamples == 1; // 不使用MSAA
bool needsDepthOnlyPass = needsDepth && renderSamples > 1; // 使用MSAA、
// 纹理格式
RenderTextureFormat format = allowHDR && camera.allowHDR ? RenderTextureFormat.DefaultHDR : RenderTextureFormat.Default;
// 获取并设置渲染目标，用于后处理
if (renderToTexture)
{
cameraBuffer.GetTemporaryRT(
cameraColorTextureId, renderWidth, renderHeight, needsDirectDepth ? 0 : 24,
FilterMode.Bilinear, format,
RenderTextureReadWrite.Default, renderSamples
);
if (needsDepth)
{
cameraBuffer.GetTemporaryRT(
cameraDepthTextureId, renderWidth, renderHeight, 24,
FilterMode.Point, RenderTextureFormat.Depth,
RenderTextureReadWrite.Linear, 1 // 1表示不使用MSAA
);
}
if (needsDirectDepth)
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store,
cameraDepthTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
}
else
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
}
}
// 清空
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuffer.ClearRenderTarget((clearFlags & CameraClearFlags.Depth) != 0, (clearFlags & CameraClearFlags.Color) != 0, camera.backgroundColor);
// 设置采样标志，用于在Frame Debugger中组织结构
cameraBuffer.BeginSample("HY Render Camera");
// 设置光数据
cameraBuffer.SetGlobalVectorArray(visibleLightColorsId, visibleLightColors);
cameraBuffer.SetGlobalVectorArray(visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions);
cameraBuffer.SetGlobalVectorArray(visibleLightAttenuationsId, visibleLightAttenuations);
cameraBuffer.SetGlobalVectorArray(visibleLightSpotDirectionsId, visibleLightSpotDirections);
// 执行指令缓冲。这并不会立即执行指令，只是将指令拷贝到上下文的内部缓冲中
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
// 绘制设定
// camera参数设定排序和剔除层，pass参数指定使用哪一个shader pass
var drawSettings = new DrawRendererSettings(camera, new ShaderPassName("SRPDefaultUnlit"))
{
flags = drawFlags
};
// 仅在有可见光时设置，否则Unity会崩溃
if (cull.visibleLights.Count > 0)
{
// 指定Unity为每个物体传输光索引数据
drawSettings.rendererConfiguration = RendererConfiguration.PerObjectLightIndices8;
}
// 指定使用反射探针，如果场景中没有反射探针，则使用天空球的立方体贴图
drawSettings.rendererConfiguration |= RendererConfiguration.PerObjectReflectionProbes | RendererConfiguration.PerObjectLightmaps;
// 指定排序，从前往后
drawSettings.sorting.flags = SortFlags.CommonOpaque;
// 过滤设定
// true表示包括所有物体
var filterSettings = new FilterRenderersSettings(true)
{
// 绘制不透明物体，渲染队列为[0，2500]
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// 绘制天空盒
// camera参数仅用来判断是否绘制天空盒（根据camera的清空标志位）
context.DrawSkybox(camera);
// 后处理
if (activeStack)
{
// depth-only pass
if (needsDepthOnlyPass)
{
var depthOnlyDrawSettings = new DrawRendererSettings(
camera, new ShaderPassName("DepthOnly")
)
{
flags = drawFlags
};
depthOnlyDrawSettings.sorting.flags = SortFlags.CommonOpaque;
cameraBuffer.SetRenderTarget(
cameraDepthTextureId,
RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store
);
cameraBuffer.ClearRenderTarget(true, false, Color.clear);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.DrawRenderers(
cull.visibleRenderers, ref depthOnlyDrawSettings, filterSettings
);
}
activeStack.RenderAfterOpaque(
postProcessingBuffer, cameraColorTextureId, cameraDepthTextureId,
renderWidth, renderHeight, renderSamples, format
);
context.ExecuteCommandBuffer(postProcessingBuffer);
postProcessingBuffer.Clear();
if (needsDirectDepth)
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store,
cameraDepthTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store
);
}
else
{
cameraBuffer.SetRenderTarget(
cameraColorTextureId,
RenderBufferLoadAction.Load, RenderBufferStoreAction.Store
);
}
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
}
// 指定排序，从后往前
drawSettings.sorting.flags = SortFlags.CommonTransparent;
// 绘制透明物体，渲染队列为[2501，5000]
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
DrawDefaultPipeline(context, camera);
// 后处理
if (renderToTexture)
{
if (activeStack)
{
activeStack.RenderAfterTransparent(
postProcessingBuffer, cameraColorTextureId,
cameraDepthTextureId, renderWidth, renderHeight, renderSamples, format
);
context.ExecuteCommandBuffer(postProcessingBuffer);
postProcessingBuffer.Clear();
}
else
{
cameraBuffer.Blit(
cameraColorTextureId, BuiltinRenderTextureType.CameraTarget
);
}
cameraBuffer.ReleaseTemporaryRT(cameraColorTextureId);
if (needsDepth)
{
cameraBuffer.ReleaseTemporaryRT(cameraDepthTextureId);
}
}
cameraBuffer.EndSample("HY Render Camera");
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
// 提交指令
context.Submit();
// 释放阴影纹理
if (shadowMap)
{
RenderTexture.ReleaseTemporary(shadowMap);
shadowMap = null;
}
// 释放层级阴影纹理
if (cascadedShadowMap)
{
RenderTexture.ReleaseTemporary(cascadedShadowMap);
cascadedShadowMap = null;
}
}
//------------------------------------------------------------------------------
// PRIVATE FUNCTIONS
//------------------------------------------------------------------------------
private void Render(ScriptableRenderContext context, Camera camera)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
CullResults.Cull(ref cullingParameters, context, ref cullResults);
// render shadow map
RenderShadows(context);
// pass builtin global camera vars to GPU
context.SetupCameraProperties(camera);
// clear buffer
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
// prepare light data
if (cullResults.visibleLights.Count > 0)
{
ConfigureLights();
}
else
{
cameraBuffer.SetGlobalVector(
lightIndicesOffsetAndCountID, Vector4.zero
);
}
cameraBuffer.BeginSample("Camera");
// pass custom global shader vars to GPU
cameraBuffer.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightVectorsId, visibleLightVectors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightAttenuationsId, visibleLightAttenuations
);
cameraBuffer.SetGlobalVectorArray(
visibleLightSpotDirectionsId, visibleLightSpotDirections
);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
// draw opaques
var drawSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit")
)
{
flags = drawFlags
};
if (cullResults.visibleLights.Count > 0)
{
drawSettings.rendererConfiguration = RendererConfiguration.PerObjectLightIndices8;
}
drawSettings.sorting.flags = SortFlags.CommonOpaque;
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(
cullResults.visibleRenderers, ref drawSettings, filterSettings
);
// draw skybox
context.DrawSkybox(camera);
// draw transparents
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(
cullResults.visibleRenderers, ref drawSettings, filterSettings
);
// draw error material
DrawDefaultPipeline(context, camera);
cameraBuffer.EndSample("Camera");
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.Submit();
// release shadow map mem
if (shadowMap)
{
RenderTexture.ReleaseTemporary(shadowMap);
shadowMap = null;
}
}
void Render(ScriptableRenderContext context, Camera camera)
{
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, out cullingParameters))
{
return;
}
cullingParameters.shadowDistance =
Mathf.Min(shadowDistance, camera.farClipPlane);
#if UNITY_EDITOR
if (camera.cameraType == CameraType.SceneView)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cull);
if (cull.visibleLights.Count > 0)
{
ConfigureLights();
if (mainLightExists)
{
RenderCascadedShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
}
if (shadowTileCount > 0)
{
RenderShadows(context);
}
else
{
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
}
else
{
cameraBuffer.SetGlobalVector(
lightIndicesOffsetAndCountID, Vector4.zero
);
cameraBuffer.DisableShaderKeyword(cascadedShadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(cascadedShadowsSoftKeyword);
cameraBuffer.DisableShaderKeyword(shadowsHardKeyword);
cameraBuffer.DisableShaderKeyword(shadowsSoftKeyword);
}
context.SetupCameraProperties(camera);
CameraClearFlags clearFlags = camera.clearFlags;
cameraBuffer.ClearRenderTarget(
(clearFlags & CameraClearFlags.Depth) != 0,
(clearFlags & CameraClearFlags.Color) != 0,
camera.backgroundColor
);
cameraBuffer.BeginSample("Render Camera");
cameraBuffer.SetGlobalVectorArray(
visibleLightColorsId, visibleLightColors
);
cameraBuffer.SetGlobalVectorArray(
visibleLightDirectionsOrPositionsId, visibleLightDirectionsOrPositions
);
cameraBuffer.SetGlobalVectorArray(
visibleLightAttenuationsId, visibleLightAttenuations
);
cameraBuffer.SetGlobalVectorArray(
visibleLightSpotDirectionsId, visibleLightSpotDirections
);
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
var drawSettings = new DrawRendererSettings(
camera, new ShaderPassName("SRPDefaultUnlit")
)
{
flags = drawFlags
};
if (cull.visibleLights.Count > 0)
{
drawSettings.rendererConfiguration =
RendererConfiguration.PerObjectLightIndices8;
}
drawSettings.rendererConfiguration |=
RendererConfiguration.PerObjectReflectionProbes |
RendererConfiguration.PerObjectLightmaps |
RendererConfiguration.PerObjectLightProbe |
RendererConfiguration.PerObjectLightProbeProxyVolume;
drawSettings.sorting.flags = SortFlags.CommonOpaque;
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
context.DrawSkybox(camera);
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(
cull.visibleRenderers, ref drawSettings, filterSettings
);
DrawDefaultPipeline(context, camera);
cameraBuffer.EndSample("Render Camera");
context.ExecuteCommandBuffer(cameraBuffer);
cameraBuffer.Clear();
context.Submit();
if (shadowMap)
{
RenderTexture.ReleaseTemporary(shadowMap);
shadowMap = null;
}
if (cascadedShadowMap)
{
RenderTexture.ReleaseTemporary(cascadedShadowMap);
cascadedShadowMap = null;
}
}
public void UpdatePointLights(ref Dictionary <Light, int> light_table, ref ScriptableRenderContext renderContext, List <Light> plights, Camera camera, ref CommandBuffer setup_properties)
{
//todo: now will update every light for every camera, which is not totally necessary.
if (helper_ == null)
{
return;
}
if (plights.Count == 0)
{
return;
}
Transform helper_trans = helper_.transform;
m_PointShadowArray.TestNeedModify((int)m_asset.pointShadowResolution, (int)m_asset.pointShadowResolution, plights.Count);
if (m_PointShadowArray.IsValid())
{
setup_properties.SetGlobalTexture(shaderPropertyID.pointShadowArray, m_PointShadowArray.data);
}
m_pointLightMatrix.TestNeedModify(plights.Count);
if (m_pointLightMatrix.IsValid())
{
setup_properties.SetGlobalBuffer(shaderPropertyID.pointLightMatrixArray, m_pointLightMatrix.data);
}
helper_trans.up = Vector3.up;
helper.aspect = 1f;
var cb = CommandBufferPool.Get("Point light shadow map");
ShadowCascadeMatrix[] light_mats = new ShadowCascadeMatrix[plights.Count];
string tes = m_asset.enableTessellation ? "_TES" : "";
for (int i = 0; i < plights.Count; i++)
{
var light = plights[i];
light_table[light] = i;
helper_trans.position = light.transform.position;
helper.orthographicSize = light.range * 2;
helper.farClipPlane = light.range;
cb.SetRenderTarget(m_PointShadowArray.data, 0, CubemapFace.Unknown, i);
cb.ClearRenderTarget(true, true, Color.clear);
renderContext.ExecuteCommandBuffer(cb);
cb.Clear();
helper_trans.forward = Vector3.forward;
var mats = new ShadowCascadeMatrix();
mats.a = helper.worldToCameraMatrix;
mats.b = GL.GetGPUProjectionMatrix(helper.projectionMatrix, true);
cb.SetGlobalMatrix(shaderPropertyID.shadow_mat, mats.a);
cb.SetGlobalMatrix(shaderPropertyID.shadow_mat2, mats.b);
cb.SetGlobalVector(shaderPropertyID.shadow_Range, new Vector4(helper.farClipPlane, helper.farClipPlane));
renderContext.ExecuteCommandBuffer(cb);
cb.Clear();
var cullResults = new CullResults();
CullResults.Cull(helper, renderContext, out cullResults);
var filterSetting = new FilterRenderersSettings(true);
filterSetting.renderQueueRange = RenderQueueRange.opaque;
filterSetting.layerMask = helper.cullingMask;
var renderSetting = new DrawRendererSettings(camera, new ShaderPassName("VRP_PS_0" + tes));
renderSetting.sorting.flags = SortFlags.None;
renderContext.DrawRenderers(cullResults.visibleRenderers, ref renderSetting, filterSetting);
helper_trans.forward = -Vector3.forward;
mats.c = helper.worldToCameraMatrix;
mats.d = mats.b;
cb.ClearRenderTarget(true, false, Color.clear);
cb.SetGlobalMatrix("_Shadow_mat", mats.c);
renderContext.ExecuteCommandBuffer(cb);
cb.Clear();
cullResults = new CullResults();
CullResults.Cull(helper, renderContext, out cullResults);
renderSetting = new DrawRendererSettings(camera, new ShaderPassName("VRP_PS_1" + tes));
renderSetting.sorting.flags = SortFlags.None;
renderContext.DrawRenderers(cullResults.visibleRenderers, ref renderSetting, filterSetting);
light_mats[i] = mats;
}
CommandBufferPool.Release(cb);
m_pointLightMatrix.data.SetData(light_mats);
}
public static void RenderSingleCamera(LightweightRenderPipeline pipelineInstance, ScriptableRenderContext context, Camera camera, ref CullResults cullResults, IRendererSetup setup = null)
{
if (pipelineInstance == null)
{
Debug.LogError("Trying to render a camera with an invalid render pipeline instance.");
return;
}
ScriptableCullingParameters cullingParameters;
if (!CullResults.GetCullingParameters(camera, IsStereoEnabled(camera), out cullingParameters))
{
return;
}
CommandBuffer cmd = CommandBufferPool.Get(k_RenderCameraTag);
using (new ProfilingSample(cmd, k_RenderCameraTag))
{
CameraData cameraData;
PipelineSettings settings = pipelineInstance.settings;
ScriptableRenderer renderer = pipelineInstance.renderer;
InitializeCameraData(settings, camera, out cameraData);
SetupPerCameraShaderConstants(cameraData);
cullingParameters.shadowDistance = Mathf.Min(cameraData.maxShadowDistance, camera.farClipPlane);
context.ExecuteCommandBuffer(cmd);
cmd.Clear();
#if UNITY_EDITOR
// Emit scene view UI
if (cameraData.isSceneViewCamera)
{
ScriptableRenderContext.EmitWorldGeometryForSceneView(camera);
}
#endif
CullResults.Cull(ref cullingParameters, context, ref cullResults);
RenderingData renderingData;
InitializeRenderingData(settings, ref cameraData, ref cullResults,
renderer.maxVisibleAdditionalLights, renderer.maxPerObjectAdditionalLights, out renderingData);
var setupToUse = setup;
if (setupToUse == null)
{
setupToUse = defaultRendererSetup;
}
renderer.Clear();
setupToUse.Setup(renderer, ref renderingData);
renderer.Execute(context, ref renderingData);
}
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
context.Submit();
#if UNITY_EDITOR
Handles.DrawGizmos(camera);
#endif
}
public void UpdateDirectionalLights(ref Dictionary <Light, int> light_table, ref ScriptableRenderContext renderContext, List <Light> dirlights, Camera camera, ref CommandBuffer setup_properties)
{
if (helper_ == null)
{
return;
}
light_table.Clear();
//helper.name = camera.name + "_helper";
if (dirlights.Count == 0)
{
return;
}
Transform helper_trans = helper_.transform;
Matrix4x4 proj_mat = GL.GetGPUProjectionMatrix(camera.projectionMatrix, false) * camera.worldToCameraMatrix;
proj_mat = proj_mat.inverse;
//spilt the view frustrum
CascadeHelper cascadeHelper = new CascadeHelper(proj_mat, camera.transform.position, m_asset.cascadeNum);
//setup property
setup_properties.SetGlobalVector(shaderPropertyID.dirctionalShadowSplitDistance, cascadeHelper.SplitVolum(m_asset.cascadeDistribution, m_asset.shadowDistance));
setup_properties.SetGlobalInt(shaderPropertyID.maxCascadeNum, m_asset.cascadeNum);
setup_properties.SetGlobalVector(shaderPropertyID.dirShadowResolution, new Vector4((int)m_asset.directionalShadowResolution, (int)m_asset.directionalShadowResolution,
1f / (float)m_asset.directionalShadowResolution, 1f / (float)m_asset.directionalShadowResolution));
m_DirShadowArray.TestNeedModify((int)m_asset.directionalShadowResolution, (int)m_asset.directionalShadowResolution, dirlights.Count);
if (m_DirShadowArray.IsValid())
{
setup_properties.SetGlobalTexture(shaderPropertyID.dirShadowArray, m_DirShadowArray.data);
}
m_shadowcascade_matrix_vp.TestNeedModify(dirlights.Count);
if (m_shadowcascade_matrix_vp.IsValid())
{
setup_properties.SetGlobalBuffer(shaderPropertyID.shadowcascade_matrix_vp, m_shadowcascade_matrix_vp.data);
}
var cb = CommandBufferPool.Get("Directional light shadowmap");
List <ShadowCascadeMatrix> mts = new List <ShadowCascadeMatrix>();
for (int i = 0; i < dirlights.Count; i++)
{
var light = dirlights[i];
light_table[light] = i;
Matrix4x4 l2w = light.transform.localToWorldMatrix;
Vector4 dir = new Vector4(l2w.m02, l2w.m12, l2w.m22, 0);
cb.SetRenderTarget(m_DirShadowArray.data, 0, CubemapFace.Unknown, i);
cb.ClearRenderTarget(false, true, Color.clear);
renderContext.ExecuteCommandBuffer(cb);
cb.Clear();
Matrix4x4[] mats_per_light = new Matrix4x4[4];
for (int j = 0; j < m_asset.cascadeNum; j++)
{
//correct the forward of the helper camera to light dir
helper_trans.forward = dir;
float[] bias = cascadeHelper.GetCascadeVolum(helper_trans.worldToLocalMatrix, j);
helper_trans.position = new Vector3(bias[0], bias[1], bias[2]) - helper_trans.forward * m_asset.shadowDistance;
helper.orthographicSize = bias[4] / 2;
helper.farClipPlane = bias[5] + m_asset.shadowDistance;
helper.aspect = bias[3] / bias[4];
cb.ClearRenderTarget(true, false, Color.clear);
mats_per_light[j] = GL.GetGPUProjectionMatrix(helper.projectionMatrix, true) * helper.worldToCameraMatrix;
cb.SetGlobalMatrix(shaderPropertyID.shadow_mat, mats_per_light[j]);
renderContext.ExecuteCommandBuffer(cb);
cb.Clear();
var cullResults = new CullResults();
CullResults.Cull(helper, renderContext, out cullResults);
var filterSetting = new FilterRenderersSettings(true);
filterSetting.renderQueueRange = RenderQueueRange.opaque;
filterSetting.layerMask = helper.cullingMask;
var renderSetting = new DrawRendererSettings(camera, new ShaderPassName(string.Format("VRP_DS_{0:G}", j)));
renderSetting.sorting.flags = SortFlags.None;
renderContext.DrawRenderers(cullResults.visibleRenderers, ref renderSetting, filterSetting);
}
var mt = new ShadowCascadeMatrix();
mt.a = mats_per_light[0]; mt.b = mats_per_light[1]; mt.c = mats_per_light[2]; mt.d = mats_per_light[3];
mts.Add(mt);
}
CommandBufferPool.Release(cb);
m_shadowcascade_matrix_vp.data.SetData(mts);
}
// Main entry point for our scriptable render loop
public static void Render(ScriptableRenderContext context, IEnumerable <Camera> cameras, bool useIntermediateBlitPath)
{
bool stereoEnabled = XRSettings.isDeviceActive;
foreach (var camera in cameras)
{
// Culling
ScriptableCullingParameters cullingParams;
// Stereo-aware culling parameters are configured to perform a single cull for both eyes
if (!CullResults.GetCullingParameters(camera, stereoEnabled, out cullingParams))
{
continue;
}
CullResults cull = new CullResults();
CullResults.Cull(ref cullingParams, context, ref cull);
// Setup camera for rendering (sets render target, view/projection matrices and other
// per-camera built-in shader variables).
// If stereo is enabled, we also configure stereo matrices, viewports, and XR device render targets
context.SetupCameraProperties(camera, stereoEnabled);
// Draws in-between [Start|Stop]MultiEye are stereo-ized by engine
if (stereoEnabled)
{
context.StartMultiEye(camera);
}
RenderTargetIdentifier intermediateRTID = new RenderTargetIdentifier(BuiltinRenderTextureType.CurrentActive);
bool isIntermediateRTTexArray = false;
if (useIntermediateBlitPath)
{
ConfigureAndBindIntermediateRenderTarget(context, camera, stereoEnabled, out intermediateRTID, out isIntermediateRTTexArray);
}
// clear depth buffer
var cmd = CommandBufferPool.Get();
cmd.ClearRenderTarget(true, false, Color.black);
context.ExecuteCommandBuffer(cmd);
CommandBufferPool.Release(cmd);
// Setup global lighting shader variables
SetupLightShaderVariables(cull.visibleLights, context);
// Draw opaque objects using BasicPass shader pass
var drawSettings = new DrawRendererSettings(camera, new ShaderPassName("BasicPass"))
{
sorting = { flags = SortFlags.CommonOpaque }
};
var filterSettings = new FilterRenderersSettings(true)
{
renderQueueRange = RenderQueueRange.opaque
};
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
// Draw skybox
context.DrawSkybox(camera);
// Draw transparent objects using BasicPass shader pass
drawSettings.sorting.flags = SortFlags.CommonTransparent;
filterSettings.renderQueueRange = RenderQueueRange.transparent;
context.DrawRenderers(cull.visibleRenderers, ref drawSettings, filterSettings);
if (useIntermediateBlitPath)
{
BlitFromIntermediateToCameraTarget(context, intermediateRTID, isIntermediateRTTexArray);
}
if (stereoEnabled)
{
context.StopMultiEye(camera);
// StereoEndRender will reset state on the camera to pre-Stereo settings,
// and invoke XR based events/callbacks.
context.StereoEndRender(camera);
}
context.Submit();
}
}
public void Render(ScriptableRenderContext renderContext, CommandBuffer cmd)
{
if (needRender || isDynamic)
{
needRender = false;
GameObject probeCamObj = new GameObject("Probe Camera");
probeCamObj.hideFlags = HideFlags.HideAndDontSave;
Camera probeCamera = probeCamObj.AddComponent <Camera>();
probeCamera.enabled = false;
probeCamera.renderingPath = RenderingPath.Forward;
probeCamera.nearClipPlane = NearPlane;
probeCamera.farClipPlane = FarPlane;
probeCamera.depthTextureMode = DepthTextureMode.None;
probeCamera.clearFlags = CameraClearFlags.SolidColor | CameraClearFlags.Depth;
probeCamera.backgroundColor = Color.black;
probeCamera.orthographic = false;
probeCamera.hideFlags = HideFlags.HideAndDontSave;
probeCamera.allowMSAA = false;
probeCamera.stereoTargetEye = StereoTargetEyeMask.None;
probeCamera.fieldOfView = 90.0f;
probeCamera.aspect = 1;
probeCamObj.SetActive(false);
for (int i = 0; i < Probes.Count; i++)
{
probeCamObj.transform.position = Probes[i].position;
for (int j = 0; j < 6; j++)
{
probeCamObj.transform.rotation = rotations[j];
m_ProbeLightManager.NewFrame();
RGCamera rgCam = RGCamera.Get(probeCamera, null, 128, false);
ScriptableCullingParameters cullingParams;
if (!CullResults.GetCullingParameters(probeCamera, false, out cullingParams))
{
continue;
}
CullResults.Cull(ref cullingParams, renderContext, ref m_cullResults);
m_ProbeLightManager.UpdateCullingParameters(ref cullingParams, false);
m_ProbeLightManager.PrepareLightsDataForGPU(cmd, m_ShadowSettings, m_cullResults, probeCamera, false);
bool enableStaticShadowmap = false;
if (m_ShadowSettings.StaticShadowmap)
{
enableStaticShadowmap = true;
cmd.SetGlobalTexture(ClusterShaderIDs._StaticShadowmapExp, m_ShadowSettings.StaticShadowmap);
}
var clusterShadowSettings = VolumeManager.instance.stack.GetComponent <ClusterShadowSettings>();
if (clusterShadowSettings)
{
m_ShadowSettings.MaxShadowDistance = clusterShadowSettings.MaxShadowDistance;
m_ShadowSettings.MaxShadowCasters = clusterShadowSettings.MaxShadowCasters;
m_ShadowSettings.ShadowmapRes = clusterShadowSettings.ShadowMapResolution;
m_ShadowSettings.StaticShadowmapRes = clusterShadowSettings.StaticShadowMapResolution;
m_ShadowSettings.StaticShadowmap = clusterShadowSettings.staticShadowmap.value;
}
else
{
m_ShadowSettings.MaxShadowDistance = 1000.0f;
m_ShadowSettings.MaxShadowCasters = 5;
m_ShadowSettings.ShadowmapRes = new Vector2Int(m_ShadowInitParams.shadowAtlasWidth, m_ShadowInitParams.shadowAtlasHeight);
m_ShadowSettings.StaticShadowmapRes = Vector2Int.one;
m_ShadowSettings.StaticShadowmap = null;
}
m_ProbeLightManager.RenderShadows(renderContext, cmd, m_cullResults);
m_ProbeLightManager.PostBlurExpShadows(cmd, 1);
m_ProbeLightManager.ClusterLightCompute(rgCam, cmd);
rgCam.SetupGlobalParams(cmd, 0, 0);
renderContext.ExecuteCommandBuffer(cmd);
cmd.Clear();
renderContext.SetupCameraProperties(probeCamera, rgCam.StereoEnabled); // Need to recall SetupCameraProperties after m_ShadowPass.Render
//RenderTargetIdentifier[] rendertargets = { Probes[i].RadianceTexture, Probes[i].NormalTexture };
cmd.SetRenderTarget(radianceCubeArray, probeDepth, 0, CubemapFace.Unknown, i * 6 + (int)faces[j]);
cmd.ClearRenderTarget(true, true, probeCamera.backgroundColor.linear);
RendererConfiguration settings = RendererConfiguration.PerObjectReflectionProbes | RendererConfiguration.PerObjectLightmaps | RendererConfiguration.PerObjectLightProbe;
RenderRendererList(m_cullResults, rgCam.camera, renderContext, cmd, m_RadiancePassNames, RGRenderQueue.k_RenderQueue_AllOpaque, settings);
renderContext.DrawSkybox(probeCamera);
//RenderTargetIdentifier[] rendertargets = { Probes[i].RadianceTexture, Probes[i].NormalTexture };
cmd.SetRenderTarget(normalMapArray, probeDepth, 0, CubemapFace.Unknown, i * 6 + (int)faces[j]);
cmd.ClearRenderTarget(true, true, new Color(0, 0, 0));
RenderRendererList(m_cullResults, rgCam.camera, renderContext, cmd, m_NormalPassNames, RGRenderQueue.k_RenderQueue_AllOpaque);
//RenderTargetIdentifier[] rendertargets = { Probes[i].RadianceTexture, Probes[i].NormalTexture };
cmd.SetRenderTarget(depthMapArray, probeDepth, 0, CubemapFace.Unknown, i * 6 + (int)faces[j]);
cmd.ClearRenderTarget(true, true, new Color(1, 1, 1));
RenderRendererList(m_cullResults, rgCam.camera, renderContext, cmd, m_DepthPassNames, RGRenderQueue.k_RenderQueue_AllOpaque);
renderContext.Submit();
}
}
ReprojectCubeToOctan(renderContext, cmd);
UnityEngine.Object.DestroyImmediate(probeCamera);
UnityEngine.Object.DestroyImmediate(probeCamObj);
}
}