void RenderMainLightCascadeShadowmap(ref ScriptableRenderContext context, ref CullResults cullResults, ref LightData lightData, ref ShadowData shadowData) { int shadowLightIndex = lightData.mainLightIndex; if (shadowLightIndex == -1) { return; } VisibleLight shadowLight = lightData.visibleLights[shadowLightIndex]; CommandBuffer cmd = CommandBufferPool.Get(k_RenderMainLightShadowmapTag); using (new ProfilingSample(cmd, k_RenderMainLightShadowmapTag)) { var settings = new DrawShadowsSettings(cullResults, shadowLightIndex); m_MainLightShadowmapTexture = RenderTexture.GetTemporary(shadowData.mainLightShadowmapWidth, shadowData.mainLightShadowmapHeight, k_ShadowmapBufferBits, m_ShadowmapFormat); m_MainLightShadowmapTexture.filterMode = FilterMode.Bilinear; m_MainLightShadowmapTexture.wrapMode = TextureWrapMode.Clamp; SetRenderTarget(cmd, m_MainLightShadowmapTexture, RenderBufferLoadAction.DontCare, RenderBufferStoreAction.Store, ClearFlag.Depth, Color.black, TextureDimension.Tex2D); for (int cascadeIndex = 0; cascadeIndex < m_ShadowCasterCascadesCount; ++cascadeIndex) { settings.splitData.cullingSphere = m_CascadeSplitDistances[cascadeIndex]; Vector4 shadowBias = ShadowUtils.GetShadowBias(ref shadowLight, shadowLightIndex, ref shadowData, m_CascadeSlices[cascadeIndex].projectionMatrix, m_CascadeSlices[cascadeIndex].resolution); ShadowUtils.SetupShadowCasterConstantBuffer(cmd, ref shadowLight, shadowBias); ShadowUtils.RenderShadowSlice(cmd, ref context, ref m_CascadeSlices[cascadeIndex], ref settings, m_CascadeSlices[cascadeIndex].projectionMatrix, m_CascadeSlices[cascadeIndex].viewMatrix); } SetupMainLightShadowReceiverConstants(cmd, ref shadowData, shadowLight); } CoreUtils.SetKeyword(cmd, ShaderKeywordStrings.MainLightShadows, true); CoreUtils.SetKeyword(cmd, ShaderKeywordStrings.MainLightShadowCascades, shadowData.mainLightShadowCascadesCount > 1); CoreUtils.SetKeyword(cmd, ShaderKeywordStrings.SoftShadows, shadowLight.light.shadows == LightShadows.Soft && shadowData.supportsSoftShadows); context.ExecuteCommandBuffer(cmd); CommandBufferPool.Release(cmd); }