From 7a78a50146abfbac6700683df40e1cfba9bf0a10 Mon Sep 17 00:00:00 2001
From: Alexander Gauggel <agauggel@uni-koblenz.de>
Date: Thu, 12 Aug 2021 17:39:22 +0200
Subject: [PATCH] [#106] Fix motion blur artifacts properly
---
.../resources/shaders/motionBlurDummy.comp | 8 ++++++--
1 file changed, 6 insertions(+), 2 deletions(-)
diff --git a/projects/indirect_dispatch/resources/shaders/motionBlurDummy.comp b/projects/indirect_dispatch/resources/shaders/motionBlurDummy.comp
index a57319b9..a90e142d 100644
--- a/projects/indirect_dispatch/resources/shaders/motionBlurDummy.comp
+++ b/projects/indirect_dispatch/resources/shaders/motionBlurDummy.comp
@@ -14,7 +14,6 @@ layout( push_constant ) uniform constants{
float minVelocity;
};
-
void main(){
if(any(greaterThanEqual(gl_GlobalInvocationID.xy, imageSize(outImage))))
@@ -25,6 +24,7 @@ void main(){
vec2 uv = vec2(coord) / textureRes;
vec2 motion = texture(sampler2D(inMotion, textureSampler), uv).rg;
+ motion *= motionFactor;
float velocity = length(motion);
// early out on little movement
@@ -34,7 +34,11 @@ void main(){
return;
}
- motion *= motionFactor;
+ // TODO: should be configurable by user or computed by velocity tile sizes
+ const float maxBlurDistance = 0.075;
+ if(velocity > maxBlurDistance){
+ motion *= maxBlurDistance / velocity;
+ }
vec3 color = vec3(0);
const int sampleCount = 16;
--
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