From 88fa1a4799fae73d6a4584d2ea41309600e10b96 Mon Sep 17 00:00:00 2001
From: Alexander Gauggel <agauggel@uni-koblenz.de>
Date: Fri, 25 Jun 2021 17:56:53 +0200
Subject: [PATCH] [#82] Switch to 16 bit shadow map to save on performance
---
projects/voxelization/resources/shaders/shadowMapping.inc | 2 +-
projects/voxelization/src/ShadowMapping.cpp | 8 ++++----
2 files changed, 5 insertions(+), 5 deletions(-)
diff --git a/projects/voxelization/resources/shaders/shadowMapping.inc b/projects/voxelization/resources/shaders/shadowMapping.inc
index c4bcd94e..c56ae898 100644
--- a/projects/voxelization/resources/shaders/shadowMapping.inc
+++ b/projects/voxelization/resources/shaders/shadowMapping.inc
@@ -86,7 +86,7 @@ float shadowTest(vec3 worldPos, LightInfo lightInfo, texture2D shadowMap, sample
shadowMapSample = unquantizeMoments(shadowMapSample);
float depthBias = 0.f;
- float momentBias = 0.000002;
+ float momentBias = 0.0003;
float shadow = ComputeMSMShadowIntensity(shadowMapSample, lightPos.z, depthBias, momentBias);
return reduceLightBleeding(shadow, 0.1f);
diff --git a/projects/voxelization/src/ShadowMapping.cpp b/projects/voxelization/src/ShadowMapping.cpp
index 051d0673..19d58c25 100644
--- a/projects/voxelization/src/ShadowMapping.cpp
+++ b/projects/voxelization/src/ShadowMapping.cpp
@@ -1,10 +1,10 @@
#include "ShadowMapping.hpp"
#include <vkcv/shader/GLSLCompiler.hpp>
-const vk::Format shadowMapFormat = vk::Format::eR32G32B32A32Sfloat;
-const vk::Format shadowMapDepthFormat = vk::Format::eD32Sfloat;
-const uint32_t shadowMapResolution = 2048;
-const vkcv::Multisampling msaa = vkcv::Multisampling::MSAA8X;
+const vk::Format shadowMapFormat = vk::Format::eR16G16B16A16Unorm;
+const vk::Format shadowMapDepthFormat = vk::Format::eD32Sfloat;
+const uint32_t shadowMapResolution = 2048;
+const vkcv::Multisampling msaa = vkcv::Multisampling::MSAA8X;
vkcv::ShaderProgram loadShadowShader() {
vkcv::ShaderProgram shader;
--
GitLab