public Lighting(RenderSetting renderSetting)
{
maxPointLights = renderSetting.maxPointLights;
maxDirectionalLights = renderSetting.maxDirectionalLights;
maxSpotLights = renderSetting.maxSpotLights;
//将shader中需要的属性参数映射为ID，加速传参
dLightCountId = Shader.PropertyToID("_DirectionalLightCount");
DLightColors = new Vector4[maxDirectionalLights];
DLightDirections = new Vector4[maxDirectionalLights];
dLightDirId = Shader.PropertyToID("_DirectionalLightDirections");
dLightColorId = Shader.PropertyToID("_DirectionalLightColors");
//点光源
pLightCountId = Shader.PropertyToID("_PointLightCount");
PLightColors = new Vector4[maxPointLights];
PLightPos = new Vector4[maxPointLights];
pLightPosId = Shader.PropertyToID("_PointLightPosition");
pLightColorId = Shader.PropertyToID("_PointLightColors");
//聚光灯
sLightCountId = Shader.PropertyToID("_SpotLightCount");
SLightColors = new Vector4[maxSpotLights];
SLightDirections = new Vector4[maxSpotLights];
SLightPos = new Vector4[maxSpotLights];
sLightPosId = Shader.PropertyToID("_SpotLightPosition");
sLightColorId = Shader.PropertyToID("_SpotLightColors");
sLightDirId = Shader.PropertyToID("_SpotLightDirections");
}
public Shadow(RenderSetting renderSetting)
{
shadowSetting = renderSetting.shadowSetting;
//所有灯光的阴影信息
allDirectinalLightShadowDataId = Shader.PropertyToID("_DirectionalLightShadowData");
allDirectionalLightShadowData = new Vector4[renderSetting.maxDirectionalLights];
//世界转灯光空间矩阵
shadowmapMatricesId = Shader.PropertyToID("_DirectionalShadowMatrices");
shadowmapMatrices = new Matrix4x4[shadowSetting.directional.maxShadowedDirectionalLightCount * shadowSetting.directional.CascadeCount];
//shadowmap图集(通过DrawShadows自动设置?)
dirShadowAtlasId = Shader.PropertyToID("_DirectionalShadowAtlas");
shadowAtlastSizeId = Shader.PropertyToID("_ShadowAtlasSize");
//cascadeCountId
cascadeCountId = Shader.PropertyToID("_CascadeCount");
cascadeCullingSpheresId = Shader.PropertyToID("_CascadeCullingSpheres");
cascadeCullingSpheres = new Vector4[shadowSetting.directional.CascadeCount];
//1.边缘消隐
shadowDistanceFadeId = Shader.PropertyToID("_ShadowDistanceFade");
//2.normalbias
castedNormalBiasId = Shader.PropertyToID("_CastedNormalBias");
castedNormalBias = new float[shadowSetting.directional.CascadeCount];
//3.PCF
shadowPCFDataId = Shader.PropertyToID("_ShadowPCFData");
//4.
//有效的阴影灯光数量
shadowmapLights = new ShadowedDirectionalLight[shadowSetting.directional.maxShadowedDirectionalLightCount];
}
public CatlikePipeline(RenderSetting renderSetting)
{
this.renderSetting = renderSetting;
lighting = new Lighting(renderSetting);
shadow = new Shadow(renderSetting);
GraphicsSettings.useScriptableRenderPipelineBatching = this.renderSetting.useSRPBatcher;
GraphicsSettings.lightsUseLinearIntensity = true;
}
public void Render(ScriptableRenderContext context, Camera camera, RenderSetting renderSetting, CullingResults cullingResults)
{
this.context = context;
this.camera = camera;
this.renderSetting = renderSetting;
this.cullingResults = cullingResults;
buffer = CommandBufferPool.Get(GetType().Name);
OnRender();
CommandBufferPool.Release(buffer);
}