Added luminance capping to avoid glitches on small dots. closes #17996

1 files changed, 2 insertions, 1 deletions

diff --git a/drivers/gles3/shaders/effect_blur.glsl b/drivers/gles3/shaders/effect_blur.glsl
index b67d06bc10..2518cd7cd0 100644
--- a/drivers/gles3/shaders/effect_blur.glsl
+++ b/drivers/gles3/shaders/effect_blur.glsl
@@ -94,6 +94,7 @@ uniform sampler2D source_dof_original; //texunit:2
 
 uniform float exposure;
 uniform float white;
+uniform highp float luminance_cap;
 
 #ifdef GLOW_USE_AUTO_EXPOSURE
 
@@ -271,7 +272,7 @@ void main() {
 	float luminance = max(frag_color.r, max(frag_color.g, frag_color.b));
 	float feedback = max(smoothstep(glow_hdr_threshold, glow_hdr_threshold + glow_hdr_scale, luminance), glow_bloom);
 
-	frag_color *= feedback;
+	frag_color = min( frag_color * feedback, vec4(luminance_cap) );
 
 #endif