Merge pull request #80257 from DarioSamo/taa_double_precision_fix

Fix motion vectors being corrupted when using `precision=double`

servers/rendering/renderer_rd/storage_rd/render_scene_data_rd.cpp

@@ -234,6 +234,12 @@ void RenderSceneDataRD::update_ubo(RID p_uniform_buffer, RS::ViewportDebugDraw p
 		RendererRD::MaterialStorage::store_transform(prev_cam_transform, prev_ubo.inv_view_matrix);
 		RendererRD::MaterialStorage::store_transform(prev_cam_transform.affine_inverse(), prev_ubo.view_matrix);
 
+#ifdef REAL_T_IS_DOUBLE
+		RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.x, &prev_ubo.inv_view_matrix[12], &prev_ubo.inv_view_matrix[3]);
+		RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.y, &prev_ubo.inv_view_matrix[13], &prev_ubo.inv_view_matrix[7]);
+		RendererRD::MaterialStorage::split_double(-prev_cam_transform.origin.z, &prev_ubo.inv_view_matrix[14], &prev_ubo.inv_view_matrix[11]);
+#endif
+
 		for (uint32_t v = 0; v < view_count; v++) {
 			prev_projection = prev_correction * view_projection[v];
 			RendererRD::MaterialStorage::store_camera(prev_projection, prev_ubo.projection_matrix_view[v]);