Added release function to PoolVector::Access.

For clarity, assign-to-release idiom for PoolVector::Read/Write
replaced with a function call.
Existing uses replaced (or removed if already handled by scope)

41 files changed, 102 insertions, 114 deletions

diff --git a/core/bind/core_bind.cpp b/core/bind/core_bind.cpp
index 1bf3425d50..34bbdb2c75 100644
--- a/core/bind/core_bind.cpp
+++ b/core/bind/core_bind.cpp
@@ -1932,13 +1932,15 @@ PoolVector<uint8_t> _File::get_buffer(int p_length) const {
 	ERR_FAIL_COND_V(p_length < 0, data);
 	if (p_length == 0)
 		return data;
+
 	Error err = data.resize(p_length);
 	ERR_FAIL_COND_V(err != OK, data);
+
 	PoolVector<uint8_t>::Write w = data.write();
 	int len = f->get_buffer(&w[0], p_length);
 	ERR_FAIL_COND_V(len < 0, PoolVector<uint8_t>());
 
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 
 	if (len < p_length)
 		data.resize(p_length);
@@ -2113,11 +2115,11 @@ void _File::store_var(const Variant &p_var, bool p_full_objects) {
 
 	PoolVector<uint8_t> buff;
 	buff.resize(len);
-	PoolVector<uint8_t>::Write w = buff.write();
 
+	PoolVector<uint8_t>::Write w = buff.write();
 	err = encode_variant(p_var, &w[0], len, p_full_objects);
 	ERR_FAIL_COND(err != OK);
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 
 	store_32(len);
 	store_buffer(buff);
diff --git a/core/image.cpp b/core/image.cpp
index 18a3aae88f..a88395204a 100644
--- a/core/image.cpp
+++ b/core/image.cpp
@@ -495,8 +495,8 @@ void Image::convert(Format p_new_format) {
 		case FORMAT_RGBA8 | (FORMAT_RGB8 << 8): _convert<3, true, 3, false, false, false>(width, height, rptr, wptr); break;
 	}
 
-	r = PoolVector<uint8_t>::Read();
-	w = PoolVector<uint8_t>::Write();
+	r.release();
+	w.release();
 
 	bool gen_mipmaps = mipmaps;
 
@@ -1091,8 +1091,8 @@ void Image::resize(int p_width, int p_height, Interpolation p_interpolation) {
 		} break;
 	}
 
-	r = PoolVector<uint8_t>::Read();
-	w = PoolVector<uint8_t>::Write();
+	r.release();
+	w.release();
 
 	if (interpolate_mipmaps) {
 		dst._copy_internals_from(dst2);
@@ -2394,7 +2394,7 @@ void Image::lock() {
 
 void Image::unlock() {
 
-	write_lock = PoolVector<uint8_t>::Write();
+	write_lock.release();
 }
 
 Color Image::get_pixelv(const Point2 &p_src) const {
diff --git a/core/io/marshalls.cpp b/core/io/marshalls.cpp
index 17a3f52a65..dc5581ea01 100644
--- a/core/io/marshalls.cpp
+++ b/core/io/marshalls.cpp
@@ -558,8 +558,6 @@ Error decode_variant(Variant &r_variant, const uint8_t *p_buffer, int p_len, int
 
 					w[i] = buf[i];
 				}
-
-				w = PoolVector<uint8_t>::Write();
 			}
 
 			r_variant = data;
@@ -590,8 +588,6 @@ Error decode_variant(Variant &r_variant, const uint8_t *p_buffer, int p_len, int
 
 					w[i] = decode_uint32(&buf[i * 4]);
 				}
-
-				w = PoolVector<int>::Write();
 			}
 			r_variant = Variant(data);
 			if (r_len) {
@@ -618,8 +614,6 @@ Error decode_variant(Variant &r_variant, const uint8_t *p_buffer, int p_len, int
 
 					w[i] = decode_float(&buf[i * 4]);
 				}
-
-				w = PoolVector<float>::Write();
 			}
 			r_variant = data;
 
diff --git a/core/io/resource_format_binary.cpp b/core/io/resource_format_binary.cpp
index 688dfc21e5..861e34e415 100644
--- a/core/io/resource_format_binary.cpp
+++ b/core/io/resource_format_binary.cpp
@@ -410,7 +410,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 			PoolVector<uint8_t>::Write w = array.write();
 			f->get_buffer(w.ptr(), len);
 			_advance_padding(len);
-			w = PoolVector<uint8_t>::Write();
+			w.release();
 			r_v = array;
 
 		} break;
@@ -432,7 +432,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 			}
 
 #endif
-			w = PoolVector<int>::Write();
+			w.release();
 			r_v = array;
 		} break;
 		case VARIANT_REAL_ARRAY: {
@@ -454,7 +454,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 
 #endif
 
-			w = PoolVector<real_t>::Write();
+			w.release();
 			r_v = array;
 		} break;
 		case VARIANT_STRING_ARRAY: {
@@ -465,7 +465,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 			PoolVector<String>::Write w = array.write();
 			for (uint32_t i = 0; i < len; i++)
 				w[i] = get_unicode_string();
-			w = PoolVector<String>::Write();
+			w.release();
 			r_v = array;
 
 		} break;
@@ -493,7 +493,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 				ERR_EXPLAIN("Vector2 size is NOT 8!");
 				ERR_FAIL_V(ERR_UNAVAILABLE);
 			}
-			w = PoolVector<Vector2>::Write();
+			w.release();
 			r_v = array;
 
 		} break;
@@ -521,7 +521,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 				ERR_EXPLAIN("Vector3 size is NOT 12!");
 				ERR_FAIL_V(ERR_UNAVAILABLE);
 			}
-			w = PoolVector<Vector3>::Write();
+			w.release();
 			r_v = array;
 
 		} break;
@@ -549,7 +549,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 				ERR_EXPLAIN("Color size is NOT 16!");
 				ERR_FAIL_V(ERR_UNAVAILABLE);
 			}
-			w = PoolVector<Color>::Write();
+			w.release();
 			r_v = array;
 		} break;
 #ifndef DISABLE_DEPRECATED
@@ -584,7 +584,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 				PoolVector<uint8_t>::Write w = imgdata.write();
 				f->get_buffer(w.ptr(), datalen);
 				_advance_padding(datalen);
-				w = PoolVector<uint8_t>::Write();
+				w.release();
 
 				Ref<Image> image;
 				image.instance();
@@ -597,7 +597,7 @@ Error ResourceInteractiveLoaderBinary::parse_variant(Variant &r_v) {
 				data.resize(f->get_32());
 				PoolVector<uint8_t>::Write w = data.write();
 				f->get_buffer(w.ptr(), data.size());
-				w = PoolVector<uint8_t>::Write();
+				w.release();
 
 				Ref<Image> image;
 
diff --git a/core/io/stream_peer.cpp b/core/io/stream_peer.cpp
index 6ad24a5f3a..acf72dbba5 100644
--- a/core/io/stream_peer.cpp
+++ b/core/io/stream_peer.cpp
@@ -79,7 +79,7 @@ Array StreamPeer::_get_data(int p_bytes) {
 
 	PoolVector<uint8_t>::Write w = data.write();
 	Error err = get_data(&w[0], p_bytes);
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 	ret.push_back(err);
 	ret.push_back(data);
 	return ret;
@@ -101,7 +101,7 @@ Array StreamPeer::_get_partial_data(int p_bytes) {
 	PoolVector<uint8_t>::Write w = data.write();
 	int received;
 	Error err = get_partial_data(&w[0], p_bytes, received);
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 
 	if (err != OK) {
 		data.resize(0);
diff --git a/core/math/triangle_mesh.cpp b/core/math/triangle_mesh.cpp
index 83784a1fa7..546981be44 100644
--- a/core/math/triangle_mesh.cpp
+++ b/core/math/triangle_mesh.cpp
@@ -182,7 +182,7 @@ void TriangleMesh::create(const PoolVector<Vector3> &p_faces) {
 	int max_alloc = fc;
 	_create_bvh(bw.ptr(), bwp.ptr(), 0, fc, 1, max_depth, max_alloc);
 
-	bw = PoolVector<BVH>::Write(); //clearup
+	bw.release(); //clearup
 	bvh.resize(max_alloc); //resize back
 
 	valid = true;
@@ -751,7 +751,7 @@ PoolVector<Face3> TriangleMesh::get_faces() const {
 		}
 	}
 
-	w = PoolVector<Face3>::Write();
+	w.release();
 	return faces;
 }
 
diff --git a/core/pool_vector.h b/core/pool_vector.h
index 338de966f6..aba66e3909 100644
--- a/core/pool_vector.h
+++ b/core/pool_vector.h
@@ -301,6 +301,10 @@ public:
 		virtual ~Access() {
 			_unref();
 		}
+
+		void release() {
+			_unref();
+		}
 	};
 
 	class Read : public Access {
diff --git a/core/variant.cpp b/core/variant.cpp
index 5b51a4e513..fe9623d068 100644
--- a/core/variant.cpp
+++ b/core/variant.cpp
@@ -2418,9 +2418,6 @@ Variant::Variant(const PoolVector<Face3> &p_face_array) {
 			for (int j = 0; j < 3; j++)
 				w[i * 3 + j] = r[i].vertex[j];
 		}
-
-		r = PoolVector<Face3>::Read();
-		w = PoolVector<Vector3>::Write();
 	}
 
 	type = NIL;
diff --git a/core/variant_call.cpp b/core/variant_call.cpp
index 4c3cbfa484..3fdd18a630 100644
--- a/core/variant_call.cpp
+++ b/core/variant_call.cpp
@@ -319,7 +319,7 @@ struct _VariantCall {
 		retval.resize(len);
 		PoolByteArray::Write w = retval.write();
 		copymem(w.ptr(), charstr.ptr(), len);
-		w = PoolVector<uint8_t>::Write();
+		w.release();
 
 		r_ret = retval;
 	}
@@ -334,7 +334,7 @@ struct _VariantCall {
 		retval.resize(len);
 		PoolByteArray::Write w = retval.write();
 		copymem(w.ptr(), charstr.ptr(), len);
-		w = PoolVector<uint8_t>::Write();
+		w.release();
 
 		r_ret = retval;
 	}
diff --git a/drivers/gles2/rasterizer_storage_gles2.cpp b/drivers/gles2/rasterizer_storage_gles2.cpp
index b08202ae45..c591db4f3d 100644
--- a/drivers/gles2/rasterizer_storage_gles2.cpp
+++ b/drivers/gles2/rasterizer_storage_gles2.cpp
@@ -807,7 +807,7 @@ Ref<Image> RasterizerStorageGLES2::texture_get_data(RID p_texture, int p_layer)
 		}
 	}
 
-	wb = PoolVector<uint8_t>::Write();
+	wb.release();
 
 	data.resize(data_size);
 
@@ -871,7 +871,7 @@ Ref<Image> RasterizerStorageGLES2::texture_get_data(RID p_texture, int p_layer)
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	glDeleteFramebuffers(1, &temp_framebuffer);
 
-	wb = PoolVector<uint8_t>::Write();
+	wb.release();
 
 	data.resize(data_size);
 
@@ -2155,8 +2155,8 @@ static PoolVector<uint8_t> _unpack_half_floats(const PoolVector<uint8_t> &array,
 		dst_offset += dst_size[i];
 	}
 
-	r = PoolVector<uint8_t>::Read();
-	w = PoolVector<uint8_t>::Write();
+	r.release();
+	w.release();
 
 	return ret;
 }
diff --git a/drivers/gles3/rasterizer_scene_gles3.cpp b/drivers/gles3/rasterizer_scene_gles3.cpp
index c2fde148e2..fb3d154a7a 100644
--- a/drivers/gles3/rasterizer_scene_gles3.cpp
+++ b/drivers/gles3/rasterizer_scene_gles3.cpp
@@ -1459,8 +1459,8 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 #else
 				PoolVector<RasterizerGLES3Particle> particle_vector;
 				particle_vector.resize(particles->amount);
-				PoolVector<RasterizerGLES3Particle>::Write w = particle_vector.write();
-				particle_array = w.ptr();
+				PoolVector<RasterizerGLES3Particle>::Write particle_writer = particle_vector.write();
+				particle_array = particle_writer.ptr();
 				glGetBufferSubData(GL_ARRAY_BUFFER, 0, particles->amount * sizeof(RasterizerGLES3Particle), particle_array);
 #endif
 
@@ -1477,7 +1477,7 @@ void RasterizerSceneGLES3::_setup_geometry(RenderList::Element *e, const Transfo
 #ifndef __EMSCRIPTEN__
 				glUnmapBuffer(GL_ARRAY_BUFFER);
 #else
-				w = PoolVector<RasterizerGLES3Particle>::Write();
+				particle_writer.release();
 				particle_array = NULL;
 				{
 					PoolVector<RasterizerGLES3Particle>::Read r = particle_vector.read();
diff --git a/drivers/gles3/rasterizer_storage_gles3.cpp b/drivers/gles3/rasterizer_storage_gles3.cpp
index b280898188..7efe6a987a 100644
--- a/drivers/gles3/rasterizer_storage_gles3.cpp
+++ b/drivers/gles3/rasterizer_storage_gles3.cpp
@@ -1173,7 +1173,7 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
 			glDeleteFramebuffers(1, &tmp_fbo);
 		}
 
-		wb = PoolVector<uint8_t>::Write();
+		wb.release();
 
 		data.resize(data_size);
 
@@ -1248,7 +1248,7 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
 		img_format = real_format;
 	}
 
-	wb = PoolVector<uint8_t>::Write();
+	wb.release();
 
 	data.resize(data_size);
 
@@ -1316,7 +1316,7 @@ Ref<Image> RasterizerStorageGLES3::texture_get_data(RID p_texture, int p_layer)
 	glBindFramebuffer(GL_FRAMEBUFFER, 0);
 	glDeleteFramebuffers(1, &temp_framebuffer);
 
-	wb = PoolVector<uint8_t>::Write();
+	wb.release();
 
 	data.resize(data_size);
 
@@ -6337,7 +6337,7 @@ AABB RasterizerStorageGLES3::particles_get_current_aabb(RID p_particles) {
 	}
 
 #if defined(GLES_OVER_GL) || defined(__EMSCRIPTEN__)
-	r = PoolVector<uint8_t>::Read();
+	r.release();
 	vector = PoolVector<uint8_t>();
 #else
 	glUnmapBuffer(GL_ARRAY_BUFFER);
diff --git a/editor/editor_profiler.cpp b/editor/editor_profiler.cpp
index 9cf36f162d..471742948f 100644
--- a/editor/editor_profiler.cpp
+++ b/editor/editor_profiler.cpp
@@ -340,7 +340,7 @@ void EditorProfiler::_update_plot() {
 		}
 	}
 
-	wr = PoolVector<uint8_t>::Write();
+	wr.release();
 
 	Ref<Image> img;
 	img.instance();
diff --git a/editor/plugins/editor_preview_plugins.cpp b/editor/plugins/editor_preview_plugins.cpp
index 285823d95a..d260b171a8 100644
--- a/editor/plugins/editor_preview_plugins.cpp
+++ b/editor/plugins/editor_preview_plugins.cpp
@@ -676,7 +676,7 @@ Ref<Texture> EditorAudioStreamPreviewPlugin::generate(const RES &p_from, const S
 		}
 	}
 
-	imgdata = PoolVector<uint8_t>::Write();
+	imgdata.release();
 	//post_process_preview(img);
 
 	Ref<ImageTexture> ptex = Ref<ImageTexture>(memnew(ImageTexture));
diff --git a/editor/plugins/multimesh_editor_plugin.cpp b/editor/plugins/multimesh_editor_plugin.cpp
index cae705a697..d59efe49e7 100644
--- a/editor/plugins/multimesh_editor_plugin.cpp
+++ b/editor/plugins/multimesh_editor_plugin.cpp
@@ -144,7 +144,7 @@ void MultiMeshEditor::_populate() {
 		}
 	}
 
-	w = PoolVector<Face3>::Write();
+	w.release();
 
 	PoolVector<Face3> faces = geometry;
 	ERR_EXPLAIN(TTR("Parent has no solid faces to populate."));
diff --git a/editor/plugins/particles_editor_plugin.cpp b/editor/plugins/particles_editor_plugin.cpp
index f05e7d65d3..75d31459e8 100644
--- a/editor/plugins/particles_editor_plugin.cpp
+++ b/editor/plugins/particles_editor_plugin.cpp
@@ -197,7 +197,7 @@ void ParticlesEditorBase::_node_selected(const NodePath &p_path) {
 		}
 	}
 
-	w = PoolVector<Face3>::Write();
+	w.release();
 
 	emission_dialog->popup_centered(Size2(300, 130));
 }
diff --git a/editor/plugins/tile_set_editor_plugin.cpp b/editor/plugins/tile_set_editor_plugin.cpp
index 35cfdf15be..2b59787f17 100644
--- a/editor/plugins/tile_set_editor_plugin.cpp
+++ b/editor/plugins/tile_set_editor_plugin.cpp
@@ -1491,7 +1491,7 @@ void TileSetEditor::_on_workspace_input(const Ref<InputEvent> &p_ie) {
 											w[i] = current_shape[i] - shape_anchor;
 										}
 
-										w = PoolVector<Vector2>::Write();
+										w.release();
 
 										undo_redo->create_action(TTR("Edit Occlusion Polygon"));
 										undo_redo->add_do_method(edited_occlusion_shape.ptr(), "set_polygon", polygon);
@@ -1514,7 +1514,7 @@ void TileSetEditor::_on_workspace_input(const Ref<InputEvent> &p_ie) {
 											indices.push_back(i);
 										}
 
-										w = PoolVector<Vector2>::Write();
+										w.release();
 
 										undo_redo->create_action(TTR("Edit Navigation Polygon"));
 										undo_redo->add_do_method(edited_navigation_shape.ptr(), "set_vertices", polygon);
@@ -2785,7 +2785,7 @@ void TileSetEditor::close_shape(const Vector2 &shape_anchor) {
 			w[i] = current_shape[i] - shape_anchor;
 		}
 
-		w = PoolVector<Vector2>::Write();
+		w.release();
 		shape->set_polygon(polygon);
 
 		undo_redo->create_action(TTR("Create Occlusion Polygon"));
@@ -2813,7 +2813,7 @@ void TileSetEditor::close_shape(const Vector2 &shape_anchor) {
 			indices.push_back(i);
 		}
 
-		w = PoolVector<Vector2>::Write();
+		w.release();
 		shape->set_vertices(polygon);
 		shape->add_polygon(indices);
 
diff --git a/modules/csg/csg_shape.cpp b/modules/csg/csg_shape.cpp
index 0a714dcc6c..23725c4960 100644
--- a/modules/csg/csg_shape.cpp
+++ b/modules/csg/csg_shape.cpp
@@ -436,10 +436,10 @@ void CSGShape::_update_shape() {
 		}
 
 		// unset write access
-		surfaces.write[i].verticesw = PoolVector<Vector3>::Write();
-		surfaces.write[i].normalsw = PoolVector<Vector3>::Write();
-		surfaces.write[i].uvsw = PoolVector<Vector2>::Write();
-		surfaces.write[i].tansw = PoolVector<float>::Write();
+		surfaces.write[i].verticesw.release();
+		surfaces.write[i].normalsw.release();
+		surfaces.write[i].uvsw.release();
+		surfaces.write[i].tansw.release();
 
 		if (surfaces[i].last_added == 0)
 			continue;
diff --git a/modules/cvtt/image_compress_cvtt.cpp b/modules/cvtt/image_compress_cvtt.cpp
index 024e9ffc3b..17b0038780 100644
--- a/modules/cvtt/image_compress_cvtt.cpp
+++ b/modules/cvtt/image_compress_cvtt.cpp
@@ -388,8 +388,8 @@ void image_decompress_cvtt(Image *p_image) {
 		h >>= 1;
 	}
 
-	rb = PoolVector<uint8_t>::Read();
-	wb = PoolVector<uint8_t>::Write();
+	rb.release();
+	wb.release();
 
 	p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);
 }
diff --git a/modules/dds/texture_loader_dds.cpp b/modules/dds/texture_loader_dds.cpp
index 197b41b30c..4628bd9a5b 100644
--- a/modules/dds/texture_loader_dds.cpp
+++ b/modules/dds/texture_loader_dds.cpp
@@ -251,7 +251,6 @@ RES ResourceFormatDDS::load(const String &p_path, const String &p_original_path,
 		src_data.resize(size);
 		PoolVector<uint8_t>::Write wb = src_data.write();
 		f->get_buffer(wb.ptr(), size);
-		wb = PoolVector<uint8_t>::Write();
 
 	} else if (info.palette) {
 
@@ -296,8 +295,6 @@ RES ResourceFormatDDS::load(const String &p_path, const String &p_original_path,
 			if (colsize == 4)
 				wb[dst_ofs + 3] = palette[src_ofs + 3];
 		}
-
-		wb = PoolVector<uint8_t>::Write();
 	} else {
 		//uncompressed generic...
 
@@ -444,8 +441,6 @@ RES ResourceFormatDDS::load(const String &p_path, const String &p_original_path,
 			default: {
 			}
 		}
-
-		wb = PoolVector<uint8_t>::Write();
 	}
 
 	Ref<Image> img = memnew(Image(width, height, mipmaps - 1, info.format, src_data));
diff --git a/modules/etc/texture_loader_pkm.cpp b/modules/etc/texture_loader_pkm.cpp
index f302834222..ff925480b8 100644
--- a/modules/etc/texture_loader_pkm.cpp
+++ b/modules/etc/texture_loader_pkm.cpp
@@ -80,7 +80,7 @@ RES ResourceFormatPKM::load(const String &p_path, const String &p_original_path,
 	src_data.resize(size);
 	PoolVector<uint8_t>::Write wb = src_data.write();
 	f->get_buffer(wb.ptr(), size);
-	wb = PoolVector<uint8_t>::Write();
+	wb.release();
 
 	int mipmaps = h.format;
 	int width = h.origWidth;
diff --git a/modules/jpg/image_loader_jpegd.cpp b/modules/jpg/image_loader_jpegd.cpp
index 5493223cb0..dcd8b8aebd 100644
--- a/modules/jpg/image_loader_jpegd.cpp
+++ b/modules/jpg/image_loader_jpegd.cpp
@@ -96,7 +96,7 @@ Error jpeg_load_image_from_buffer(Image *p_image, const uint8_t *p_buffer, int p
 	else
 		fmt = Image::FORMAT_RGB8;
 
-	dw = PoolVector<uint8_t>::Write();
+	dw.release();
 	p_image->create(image_width, image_height, 0, fmt, data);
 
 	return OK;
@@ -117,8 +117,6 @@ Error ImageLoaderJPG::load_image(Ref<Image> p_image, FileAccess *f, bool p_force
 
 	Error err = jpeg_load_image_from_buffer(p_image.ptr(), w.ptr(), src_image_len);
 
-	w = PoolVector<uint8_t>::Write();
-
 	return err;
 }
 
diff --git a/modules/pvr/texture_loader_pvr.cpp b/modules/pvr/texture_loader_pvr.cpp
index 8f6ffcc83f..8b1f21d95d 100644
--- a/modules/pvr/texture_loader_pvr.cpp
+++ b/modules/pvr/texture_loader_pvr.cpp
@@ -153,7 +153,7 @@ RES ResourceFormatPVR::load(const String &p_path, const String &p_original_path,
 			ERR_FAIL_V(RES());
 	}
 
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 
 	int tex_flags = Texture::FLAG_FILTER | Texture::FLAG_REPEAT;
 
@@ -655,8 +655,8 @@ static void _pvrtc_decompress(Image *p_img) {
 
 	decompress_pvrtc((PVRTCBlock *)r.ptr(), _2bit, p_img->get_width(), p_img->get_height(), 0, (unsigned char *)w.ptr());
 
-	w = PoolVector<uint8_t>::Write();
-	r = PoolVector<uint8_t>::Read();
+	w.release();
+	r.release();
 
 	bool make_mipmaps = p_img->has_mipmaps();
 	p_img->create(p_img->get_width(), p_img->get_height(), false, Image::FORMAT_RGBA8, newdata);
diff --git a/modules/squish/image_compress_squish.cpp b/modules/squish/image_compress_squish.cpp
index 4f38357aa1..64f4c169cb 100644
--- a/modules/squish/image_compress_squish.cpp
+++ b/modules/squish/image_compress_squish.cpp
@@ -198,8 +198,8 @@ void image_compress_squish(Image *p_image, float p_lossy_quality, Image::Compres
 			h = MAX(h / 2, 1);
 		}
 
-		rb = PoolVector<uint8_t>::Read();
-		wb = PoolVector<uint8_t>::Write();
+		rb.release();
+		wb.release();
 
 		p_image->create(p_image->get_width(), p_image->get_height(), p_image->has_mipmaps(), target_format, data);
 	}
diff --git a/modules/stb_vorbis/audio_stream_ogg_vorbis.cpp b/modules/stb_vorbis/audio_stream_ogg_vorbis.cpp
index b5f4718c72..0922471500 100644
--- a/modules/stb_vorbis/audio_stream_ogg_vorbis.cpp
+++ b/modules/stb_vorbis/audio_stream_ogg_vorbis.cpp
@@ -188,7 +188,7 @@ void AudioStreamOGGVorbis::set_data(const PoolVector<uint8_t> &p_data) {
 		ogg_stream = stb_vorbis_open_memory((const unsigned char *)src_datar.ptr(), src_data_len, &error, &ogg_alloc);
 
 		if (!ogg_stream && error == VORBIS_outofmem) {
-			w = PoolVector<char>::Write();
+			w.release();
 			alloc_try *= 2;
 		} else {
 
diff --git a/modules/svg/image_loader_svg.cpp b/modules/svg/image_loader_svg.cpp
index e36844a1bc..b0cd648734 100644
--- a/modules/svg/image_loader_svg.cpp
+++ b/modules/svg/image_loader_svg.cpp
@@ -123,7 +123,7 @@ Error ImageLoaderSVG::_create_image(Ref<Image> p_image, const PoolVector<uint8_t
 
 	rasterizer.rasterize(svg_image, 0, 0, p_scale * upscale, (unsigned char *)dw.ptr(), w, h, w * 4);
 
-	dw = PoolVector<uint8_t>::Write();
+	dw.release();
 	p_image->create(w, h, false, Image::FORMAT_RGBA8, dst_image);
 	if (upsample)
 		p_image->shrink_x2();
diff --git a/modules/tga/image_loader_tga.cpp b/modules/tga/image_loader_tga.cpp
index a3c0f5ded7..6ee408d472 100644
--- a/modules/tga/image_loader_tga.cpp
+++ b/modules/tga/image_loader_tga.cpp
@@ -199,7 +199,7 @@ Error ImageLoaderTGA::convert_to_image(Ref<Image> p_image, const uint8_t *p_buff
 		}
 	}
 
-	image_data_w = PoolVector<uint8_t>::Write();
+	image_data_w.release();
 
 	p_image->create(width, height, 0, Image::FORMAT_RGBA8, image_data);
 
diff --git a/modules/tinyexr/image_loader_tinyexr.cpp b/modules/tinyexr/image_loader_tinyexr.cpp
index a9340b1498..74a584821a 100644
--- a/modules/tinyexr/image_loader_tinyexr.cpp
+++ b/modules/tinyexr/image_loader_tinyexr.cpp
@@ -235,7 +235,7 @@ Error ImageLoaderTinyEXR::load_image(Ref<Image> p_image, FileAccess *f, bool p_f
 
 	p_image->create(exr_image.width, exr_image.height, false, format, imgdata);
 
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 
 	FreeEXRHeader(&exr_header);
 	FreeEXRImage(&exr_image);
diff --git a/modules/webp/image_loader_webp.cpp b/modules/webp/image_loader_webp.cpp
index 928a0dcbd3..630c15f140 100644
--- a/modules/webp/image_loader_webp.cpp
+++ b/modules/webp/image_loader_webp.cpp
@@ -71,7 +71,7 @@ static PoolVector<uint8_t> _webp_lossy_pack(const Ref<Image> &p_image, float p_q
 	w[3] = 'P';
 	copymem(&w[4], dst_buff, dst_size);
 	free(dst_buff);
-	w = PoolVector<uint8_t>::Write();
+	w.release();
 	return dst;
 }
 
@@ -110,7 +110,7 @@ static Ref<Image> _webp_lossy_unpack(const PoolVector<uint8_t> &p_buffer) {
 	//ERR_EXPLAIN("Error decoding webp! - "+p_file);
 	ERR_FAIL_COND_V(errdec, Ref<Image>());
 
-	dst_w = PoolVector<uint8_t>::Write();
+	dst_w.release();
 
 	Ref<Image> img = memnew(Image(features.width, features.height, 0, features.has_alpha ? Image::FORMAT_RGBA8 : Image::FORMAT_RGB8, dst_image));
 	return img;
@@ -137,7 +137,7 @@ Error webp_load_image_from_buffer(Image *p_image, const uint8_t *p_buffer, int p
 	} else {
 		errdec = WebPDecodeRGBInto(p_buffer, p_buffer_len, dst_w.ptr(), datasize, 3 * features.width) == NULL;
 	}
-	dst_w = PoolVector<uint8_t>::Write();
+	dst_w.release();
 
 	//ERR_EXPLAIN("Error decoding webp!");
 	ERR_FAIL_COND_V(errdec, ERR_FILE_CORRUPT);
@@ -171,8 +171,6 @@ Error ImageLoaderWEBP::load_image(Ref<Image> p_image, FileAccess *f, bool p_forc
 
 	Error err = webp_load_image_from_buffer(p_image.ptr(), w.ptr(), src_image_len);
 
-	w = PoolVector<uint8_t>::Write();
-
 	return err;
 }
 
diff --git a/platform/android/java_godot_lib_jni.cpp b/platform/android/java_godot_lib_jni.cpp
index 466f79c215..77f077456e 100644
--- a/platform/android/java_godot_lib_jni.cpp
+++ b/platform/android/java_godot_lib_jni.cpp
@@ -289,7 +289,7 @@ Variant _jobject_to_variant(JNIEnv *env, jobject obj) {
 
 		PoolVector<int>::Write w = sarr.write();
 		env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
-		w = PoolVector<int>::Write();
+		w.release();
 		return sarr;
 	};
 
@@ -302,7 +302,7 @@ Variant _jobject_to_variant(JNIEnv *env, jobject obj) {
 
 		PoolVector<uint8_t>::Write w = sarr.write();
 		env->GetByteArrayRegion(arr, 0, fCount, reinterpret_cast<signed char *>(w.ptr()));
-		w = PoolVector<uint8_t>::Write();
+		w.release();
 		return sarr;
 	};
 
@@ -514,7 +514,7 @@ public:
 
 				PoolVector<int>::Write w = sarr.write();
 				env->GetIntArrayRegion(arr, 0, fCount, w.ptr());
-				w = PoolVector<int>::Write();
+				w.release();
 				ret = sarr;
 				env->DeleteLocalRef(arr);
 			} break;
@@ -528,7 +528,7 @@ public:
 
 				PoolVector<float>::Write w = sarr.write();
 				env->GetFloatArrayRegion(arr, 0, fCount, w.ptr());
-				w = PoolVector<float>::Write();
+				w.release();
 				ret = sarr;
 				env->DeleteLocalRef(arr);
 			} break;
diff --git a/scene/2d/collision_polygon_2d.cpp b/scene/2d/collision_polygon_2d.cpp
index ef7644fcab..bb144dda96 100644
--- a/scene/2d/collision_polygon_2d.cpp
+++ b/scene/2d/collision_polygon_2d.cpp
@@ -70,7 +70,7 @@ void CollisionPolygon2D::_build_polygon() {
 			w[(i << 1) + 1] = polygon[(i + 1) % polygon.size()];
 		}
 
-		w = PoolVector<Vector2>::Write();
+		w.release();
 		concave->set_segments(segments);
 
 		parent->shape_owner_add_shape(owner_id, concave);
diff --git a/scene/2d/tile_map.cpp b/scene/2d/tile_map.cpp
index 22bc0e44e6..0a6d630428 100644
--- a/scene/2d/tile_map.cpp
+++ b/scene/2d/tile_map.cpp
@@ -1275,7 +1275,7 @@ PoolVector<int> TileMap::_get_tile_data() const {
 		idx += 3;
 	}
 
-	w = PoolVector<int>::Write();
+	w.release();
 
 	return data;
 }
diff --git a/scene/3d/soft_body.cpp b/scene/3d/soft_body.cpp
index b9f6865298..386e127f8b 100644
--- a/scene/3d/soft_body.cpp
+++ b/scene/3d/soft_body.cpp
@@ -73,7 +73,7 @@ void SoftBodyVisualServerHandler::open() {
 }
 
 void SoftBodyVisualServerHandler::close() {
-	write_buffer = PoolVector<uint8_t>::Write();
+	write_buffer.release();
 }
 
 void SoftBodyVisualServerHandler::commit_changes() {
diff --git a/scene/3d/sprite_3d.cpp b/scene/3d/sprite_3d.cpp
index 9f73484b6a..d0f8799a64 100644
--- a/scene/3d/sprite_3d.cpp
+++ b/scene/3d/sprite_3d.cpp
@@ -254,7 +254,7 @@ Ref<TriangleMesh> SpriteBase3D::generate_triangle_mesh() const {
 		facesw[j] = vtx;
 	}
 
-	facesw = PoolVector<Vector3>::Write();
+	facesw.release();
 
 	triangle_mesh = Ref<TriangleMesh>(memnew(TriangleMesh));
 	triangle_mesh->create(faces);
diff --git a/scene/resources/animation.cpp b/scene/resources/animation.cpp
index 1ca643cd7a..89cbf0becd 100644
--- a/scene/resources/animation.cpp
+++ b/scene/resources/animation.cpp
@@ -403,7 +403,7 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 					w[idx++] = scale.z;
 				}
 
-				w = PoolVector<real_t>::Write();
+				w.release();
 				r_ret = keys;
 				return true;
 
@@ -438,8 +438,8 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 					idx++;
 				}
 
-				wti = PoolVector<float>::Write();
-				wtr = PoolVector<float>::Write();
+				wti.release();
+				wtr.release();
 
 				d["times"] = key_times;
 				d["transitions"] = key_transitions;
@@ -478,8 +478,8 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 					idx++;
 				}
 
-				wti = PoolVector<float>::Write();
-				wtr = PoolVector<float>::Write();
+				wti.release();
+				wtr.release();
 
 				d["times"] = key_times;
 				d["transitions"] = key_transitions;
@@ -523,8 +523,8 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 					idx++;
 				}
 
-				wti = PoolVector<float>::Write();
-				wpo = PoolVector<float>::Write();
+				wti.release();
+				wpo.release();
 
 				d["times"] = key_times;
 				d["points"] = key_points;
@@ -562,7 +562,7 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 					idx++;
 				}
 
-				wti = PoolVector<float>::Write();
+				wti.release();
 
 				d["times"] = key_times;
 				d["clips"] = clips;
@@ -595,8 +595,8 @@ bool Animation::_get(const StringName &p_name, Variant &r_ret) const {
 					wcl[i] = vls[i].value;
 				}
 
-				wti = PoolVector<float>::Write();
-				wcl = PoolVector<String>::Write();
+				wti.release();
+				wcl.release();
 
 				d["times"] = key_times;
 				d["clips"] = clips;
diff --git a/scene/resources/dynamic_font_stb.cpp b/scene/resources/dynamic_font_stb.cpp
index 3b44f05b94..ccff617a16 100644
--- a/scene/resources/dynamic_font_stb.cpp
+++ b/scene/resources/dynamic_font_stb.cpp
@@ -55,7 +55,7 @@ void DynamicFontData::lock() {
 
 void DynamicFontData::unlock() {
 
-	fr = PoolVector<uint8_t>::Read();
+	fr.release();
 }
 
 void DynamicFontData::set_font_data(const PoolVector<uint8_t> &p_font) {
diff --git a/scene/resources/mesh.cpp b/scene/resources/mesh.cpp
index 6443b44bb6..aff274cd21 100644
--- a/scene/resources/mesh.cpp
+++ b/scene/resources/mesh.cpp
@@ -98,7 +98,7 @@ Ref<TriangleMesh> Mesh::generate_triangle_mesh() const {
 		}
 	}
 
-	facesw = PoolVector<Vector3>::Write();
+	facesw.release();
 
 	triangle_mesh = Ref<TriangleMesh>(memnew(TriangleMesh));
 	triangle_mesh->create(faces);
@@ -436,7 +436,7 @@ Ref<Mesh> Mesh::create_outline(float p_margin) const {
 			r[i] = t;
 		}
 
-		r = PoolVector<Vector3>::Write();
+		r.release();
 		arrays[ARRAY_VERTEX] = vertices;
 
 		if (!has_indices) {
@@ -452,7 +452,7 @@ Ref<Mesh> Mesh::create_outline(float p_margin) const {
 				iw[j + 2] = j + 1;
 			}
 
-			iw = PoolVector<int>::Write();
+			iw.release();
 			arrays[ARRAY_INDEX] = new_indices;
 
 		} else {
@@ -461,7 +461,7 @@ Ref<Mesh> Mesh::create_outline(float p_margin) const {
 
 				SWAP(ir[j + 1], ir[j + 2]);
 			}
-			ir = PoolVector<int>::Write();
+			ir.release();
 			arrays[ARRAY_INDEX] = indices;
 		}
 	}
diff --git a/scene/resources/surface_tool.cpp b/scene/resources/surface_tool.cpp
index 496b1b2bdc..2588e41951 100644
--- a/scene/resources/surface_tool.cpp
+++ b/scene/resources/surface_tool.cpp
@@ -307,7 +307,7 @@ Array SurfaceTool::commit_to_arrays() {
 					}
 				}
 
-				w = PoolVector<Vector3>::Write();
+				w.release();
 				a[i] = array;
 
 			} break;
@@ -335,7 +335,7 @@ Array SurfaceTool::commit_to_arrays() {
 					}
 				}
 
-				w = PoolVector<Vector2>::Write();
+				w.release();
 				a[i] = array;
 			} break;
 			case Mesh::ARRAY_TANGENT: {
@@ -358,7 +358,7 @@ Array SurfaceTool::commit_to_arrays() {
 					w[idx + 3] = d < 0 ? -1 : 1;
 				}
 
-				w = PoolVector<float>::Write();
+				w.release();
 				a[i] = array;
 
 			} break;
@@ -375,7 +375,7 @@ Array SurfaceTool::commit_to_arrays() {
 					w[idx] = v.color;
 				}
 
-				w = PoolVector<Color>::Write();
+				w.release();
 				a[i] = array;
 			} break;
 			case Mesh::ARRAY_BONES: {
@@ -396,7 +396,7 @@ Array SurfaceTool::commit_to_arrays() {
 					}
 				}
 
-				w = PoolVector<int>::Write();
+				w.release();
 				a[i] = array;
 
 			} break;
@@ -418,7 +418,7 @@ Array SurfaceTool::commit_to_arrays() {
 					}
 				}
 
-				w = PoolVector<float>::Write();
+				w.release();
 				a[i] = array;
 
 			} break;
@@ -436,7 +436,7 @@ Array SurfaceTool::commit_to_arrays() {
 					w[idx] = E->get();
 				}
 
-				w = PoolVector<int>::Write();
+				w.release();
 
 				a[i] = array;
 			} break;
diff --git a/servers/physics/shape_sw.cpp b/servers/physics/shape_sw.cpp
index d40de669fd..8a52f29729 100644
--- a/servers/physics/shape_sw.cpp
+++ b/servers/physics/shape_sw.cpp
@@ -1524,8 +1524,8 @@ void ConcavePolygonShapeSW::_setup(PoolVector<Vector3> p_faces) {
 			_aabb.merge_with(bvh_arrayw[i].aabb);
 	}
 
-	w = PoolVector<Face>::Write();
-	vw = PoolVector<Vector3>::Write();
+	w.release();
+	vw.release();
 
 	int count = 0;
 	_VolumeSW_BVH *bvh_tree = _volume_sw_build_bvh(bvh_arrayw, src_face_count, count);
diff --git a/servers/physics_2d/shape_2d_sw.cpp b/servers/physics_2d/shape_2d_sw.cpp
index 0043b948b0..48799a56fb 100644
--- a/servers/physics_2d/shape_2d_sw.cpp
+++ b/servers/physics_2d/shape_2d_sw.cpp
@@ -986,7 +986,7 @@ Variant ConcavePolygonShape2DSW::get_data() const {
 		w[(i << 1) + 1] = points[segments[i].points[1]];
 	}
 
-	w = PoolVector<Vector2>::Write();
+	w.release();
 
 	return rsegments;
 }
diff --git a/servers/visual/visual_server_scene.cpp b/servers/visual/visual_server_scene.cpp
index faf5a1f8fa..7c100be0f2 100644
--- a/servers/visual/visual_server_scene.cpp
+++ b/servers/visual/visual_server_scene.cpp
@@ -2396,7 +2396,7 @@ void VisualServerScene::_setup_gi_probe(Instance *p_instance) {
 		mipmap.resize(size);
 		PoolVector<uint8_t>::Write w = mipmap.write();
 		zeromem(w.ptr(), size);
-		w = PoolVector<uint8_t>::Write();
+		w.release();
 
 		probe->dynamic.mipmaps_3d.push_back(mipmap);