diff --git a/data/pipelines/common.glsl b/data/pipelines/common.glsl
index 7b7f2e238..2a95b82ec 100644
--- a/data/pipelines/common.glsl
+++ b/data/pipelines/common.glsl
@@ -592,7 +592,9 @@ float rand(vec3 seed)
 vec2 computeStaticObjectMotionVector(vec3 wpos) {
 	vec4 p = Global.view_projection_no_jitter * vec4(wpos, 1);
 	vec4 pos_projected = Global.reprojection * p;
-	return (pos_projected.xy / pos_projected.w * 0.5 + 0.5 - (p.xy / p.w * 0.5 + 0.5)) * 0.5 + 0.5;
+	vec2 r = (pos_projected.xy / pos_projected.w * 0.5 + 0.5 - (p.xy / p.w * 0.5 + 0.5));	
+	r =  r * 0.5 + 0.5;
+	return r;
 }
 
 vec2 cameraReproject(vec2 uv, float depth) {
diff --git a/data/pipelines/taa.shd b/data/pipelines/taa.shd
index 736417160..d36e5fb6e 100644
--- a/data/pipelines/taa.shd
+++ b/data/pipelines/taa.shd
@@ -76,9 +76,11 @@ compute_shader [[
 		if (any(greaterThanEqual(ij, ivec2(u_size.xy)))) return;
 
 		vec2 uv = (vec2(ij) + 0.5) / u_size.xy;
-		float depth = textureLod(u_depthbuf, uv, 0).x;
 		vec2 motionvec = textureLod(u_motion_vectors, uv, 0).xy * 2 - 1;
-		
+		#ifndef _ORIGIN_BOTTOM_LEFT
+			motionvec.y *= -1;
+		#endif
+
 		vec2 uv_prev = uv + motionvec;
 
 		vec4 current = textureLod(u_current, uv /*- Global.pixel_jitter*/, 0);
diff --git a/src/renderer/pipeline.cpp b/src/renderer/pipeline.cpp
index 3ba3961d9..52e0a07a4 100644
--- a/src/renderer/pipeline.cpp
+++ b/src/renderer/pipeline.cpp
@@ -1156,13 +1156,9 @@ struct PipelineImpl final : Pipeline
 	static Matrix computeReprojection(const Viewport& current, const Viewport& prev) {
 		Matrix translation = Matrix::IDENTITY;
 		translation.setTranslation(Vec3(current.pos - prev.pos));
-		if (gpu::isOriginBottomLeft()) {
-			return prev.getProjectionNoJitter() * prev.getViewRotation() * translation * current.getViewRotation().inverted() * current.getProjectionNoJitter().inverted();
-		}
+		return prev.getProjectionNoJitter() * prev.getViewRotation() * translation * current.getViewRotation().inverted() * current.getProjectionNoJitter().inverted();
+	}
 
-		Matrix flip = Matrix::IDENTITY;
-		flip.columns[1].y = -1;
-		return flip * prev.getProjectionNoJitter() * prev.getViewRotation() * translation * current.getViewRotation().inverted() * current.getProjectionNoJitter().inverted() * flip;
 	}
 
 	bool render(bool only_2d) override