Index: source/graphics/LOSTexture.h
===================================================================
--- source/graphics/LOSTexture.h
+++ source/graphics/LOSTexture.h
@@ -98,6 +98,7 @@
 		m_Texture, m_SmoothTextures[2];
 
 	uint32_t m_WhichTexture = 0;
+	double m_LastTextureRecomputeTime = 0.0;
 
 	// We update textures once a frame, so we change a Framebuffer once a frame.
 	// That allows us to use two ping-pong FBOs instead of checking completeness
Index: source/graphics/LOSTexture.cpp
===================================================================
--- source/graphics/LOSTexture.cpp
+++ source/graphics/LOSTexture.cpp
@@ -22,6 +22,8 @@
 #include "graphics/ShaderManager.h"
 #include "lib/bits.h"
 #include "lib/config2.h"
+#include "lib/timer.h"
+#include "maths/MathUtil.h"
 #include "ps/CLogger.h"
 #include "ps/CStrInternStatic.h"
 #include "ps/Game.h"
@@ -132,6 +134,8 @@
 	if (m_Dirty)
 	{
 		RecomputeTexture(deviceCommandContext);
+		m_LastTextureRecomputeTime = timer_Time();
+		m_WhichTexture = 1u - m_WhichTexture;
 		m_Dirty = false;
 	}
 
@@ -150,11 +154,11 @@
 	deviceCommandContext->SetTexture(
 		shader->GetBindingSlot(str_losTex1), m_Texture.get());
 	deviceCommandContext->SetTexture(
-		shader->GetBindingSlot(str_losTex2), m_SmoothTextures[m_WhichTexture].get());
+		shader->GetBindingSlot(str_losTex2), m_SmoothTextures[1u - m_WhichTexture].get());
 
-	deviceCommandContext->SetUniform(
-		shader->GetBindingSlot(str_delta),
-		static_cast<float>(g_Renderer.GetTimeManager().GetFrameDelta() * 4.0f));
+	const float delta = Clamp<float>(
+		(timer_Time() - m_LastTextureRecomputeTime) * 2.0f, 0.0f, 1.0f);
+	deviceCommandContext->SetUniform(shader->GetBindingSlot(str_delta), delta);
 
 	const SViewPort oldVp = g_Renderer.GetViewport();
 	const SViewPort vp =
@@ -208,8 +212,6 @@
 
 	deviceCommandContext->SetFramebuffer(
 		deviceCommandContext->GetDevice()->GetCurrentBackbuffer());
-
-	m_WhichTexture = 1u - m_WhichTexture;
 }