diff --git a/debug/threejs.html b/debug/threejs.html
index cca332b4f4a..2587ec0348e 100644
--- a/debug/threejs.html
+++ b/debug/threejs.html
@@ -22,6 +22,7 @@
 
 var map = window.map = new mapboxgl.Map({
     container: 'map',
+    antialias: true,
     zoom: 16.5,
     center: [-79.390307, 43.658956],
     bearing: 20,
diff --git a/src/render/draw_custom.js b/src/render/draw_custom.js
index e9dd3328e2b..6b493edc2ca 100644
--- a/src/render/draw_custom.js
+++ b/src/render/draw_custom.js
@@ -4,7 +4,6 @@ export default drawCustom;
 
 import DepthMode from '../gl/depth_mode';
 import StencilMode from '../gl/stencil_mode';
-import {prepareOffscreenFramebuffer, drawOffscreenTexture} from './offscreen';
 
 import type Painter from './painter';
 import type SourceCache from '../source/source_cache';
@@ -27,35 +26,23 @@ function drawCustom(painter: Painter, sourceCache: SourceCache, layer: CustomSty
             painter.setBaseState();
         }
 
-        if (implementation.renderingMode === '3d') {
-            painter.setCustomLayerDefaults();
-
-            prepareOffscreenFramebuffer(painter, layer);
-            implementation.render(context.gl, painter.transform.customLayerMatrix());
-
-            context.setDirty();
-            painter.setBaseState();
-        }
-
     } else if (painter.renderPass === 'translucent') {
 
-        if (implementation.renderingMode === '3d') {
-            drawOffscreenTexture(painter, layer, 1);
+        painter.setCustomLayerDefaults();
 
-        } else {
-            painter.setCustomLayerDefaults();
+        context.setColorMode(painter.colorModeForRenderPass());
+        context.setStencilMode(StencilMode.disabled);
 
-            context.setColorMode(painter.colorModeForRenderPass());
-            context.setStencilMode(StencilMode.disabled);
+        const depthMode = implementation.renderingMode === '3d' ?
+            new DepthMode(painter.context.gl.LEQUAL, DepthMode.ReadWrite, painter.depthRangeFor3D) :
+            painter.depthModeForSublayer(0, DepthMode.ReadOnly);
 
-            const depthMode = painter.depthModeForSublayer(0, DepthMode.ReadOnly);
-            context.setDepthMode(depthMode);
+        context.setDepthMode(depthMode);
 
-            implementation.render(context.gl, painter.transform.customLayerMatrix());
+        implementation.render(context.gl, painter.transform.customLayerMatrix());
 
-            context.setDirty();
-            painter.setBaseState();
-            context.bindFramebuffer.set(null);
-        }
+        context.setDirty();
+        painter.setBaseState();
+        context.bindFramebuffer.set(null);
     }
 }
diff --git a/src/render/draw_fill.js b/src/render/draw_fill.js
index 9a55a8df978..43881296ab9 100644
--- a/src/render/draw_fill.js
+++ b/src/render/draw_fill.js
@@ -29,7 +29,8 @@ function drawFill(painter: Painter, sourceCache: SourceCache, layer: FillStyleLa
     const colorMode = painter.colorModeForRenderPass();
 
     const pattern = layer.paint.get('fill-pattern');
-    const pass = (!pattern.constantOr((1: any)) &&
+    const pass = painter.opaquePassEnabledForLayer() &&
+        (!pattern.constantOr((1: any)) &&
         color.constantOr(Color.transparent).a === 1 &&
         opacity.constantOr(0) === 1) ? 'opaque' : 'translucent';
 
diff --git a/src/render/draw_fill_extrusion.js b/src/render/draw_fill_extrusion.js
index 40f1f03dac1..444f3d8d914 100644
--- a/src/render/draw_fill_extrusion.js
+++ b/src/render/draw_fill_extrusion.js
@@ -2,12 +2,12 @@
 
 import DepthMode from '../gl/depth_mode';
 import StencilMode from '../gl/stencil_mode';
+import ColorMode from '../gl/color_mode';
 import CullFaceMode from '../gl/cull_face_mode';
 import {
     fillExtrusionUniformValues,
     fillExtrusionPatternUniformValues,
 } from './program/fill_extrusion_program';
-import {prepareOffscreenFramebuffer, drawOffscreenTexture} from './offscreen';
 
 import type Painter from './painter';
 import type SourceCache from '../source/source_cache';
@@ -18,21 +18,32 @@ import type {OverscaledTileID} from '../source/tile_id';
 export default draw;
 
 function draw(painter: Painter, source: SourceCache, layer: FillExtrusionStyleLayer, coords: Array<OverscaledTileID>) {
-    if (layer.paint.get('fill-extrusion-opacity') === 0) {
+    const opacity = layer.paint.get('fill-extrusion-opacity');
+    if (opacity === 0) {
         return;
     }
 
-    if (painter.renderPass === 'offscreen') {
-        prepareOffscreenFramebuffer(painter, layer);
-
-        const depthMode = new DepthMode(painter.context.gl.LEQUAL, DepthMode.ReadWrite, [0, 1]),
-            stencilMode = StencilMode.disabled,
-            colorMode = painter.colorModeForRenderPass();
-
-        drawExtrusionTiles(painter, source, layer, coords, depthMode, stencilMode, colorMode);
-
-    } else if (painter.renderPass === 'translucent') {
-        drawOffscreenTexture(painter, layer, layer.paint.get('fill-extrusion-opacity'));
+    if (painter.renderPass === 'translucent') {
+        const depthMode = new DepthMode(painter.context.gl.LEQUAL, DepthMode.ReadWrite, painter.depthRangeFor3D);
+
+        if (opacity === 1 && !layer.paint.get('fill-extrusion-pattern').constantOr((1: any))) {
+            const colorMode = painter.colorModeForRenderPass();
+            drawExtrusionTiles(painter, source, layer, coords, depthMode, StencilMode.disabled, colorMode);
+
+        } else {
+            // Draw transparent buildings in two passes so that only the closest surface is drawn.
+            // First draw all the extrusions into only the depth buffer. No colors are drawn.
+            drawExtrusionTiles(painter, source, layer, coords, depthMode,
+                StencilMode.disabled,
+                ColorMode.disabled);
+
+            // Then draw all the extrusions a second type, only coloring fragments if they have the
+            // same depth value as the closest fragment in the previous pass. Use the stencil buffer
+            // to prevent the second draw in cases where we have coincident polygons.
+            drawExtrusionTiles(painter, source, layer, coords, depthMode,
+                painter.stencilModeFor3D(),
+                painter.colorModeForRenderPass());
+        }
     }
 }
 
@@ -42,6 +53,7 @@ function drawExtrusionTiles(painter, source, layer, coords, depthMode, stencilMo
     const patternProperty = layer.paint.get('fill-extrusion-pattern');
     const image = patternProperty.constantOr((1: any));
     const crossfade = layer.getCrossfadeParameters();
+    const opacity = layer.paint.get('fill-extrusion-opacity');
 
     for (const coord of coords) {
         const tile = source.getTile(coord);
@@ -72,8 +84,8 @@ function drawExtrusionTiles(painter, source, layer, coords, depthMode, stencilMo
 
         const shouldUseVerticalGradient = layer.paint.get('fill-extrusion-vertical-gradient');
         const uniformValues = image ?
-            fillExtrusionPatternUniformValues(matrix, painter, shouldUseVerticalGradient, coord, crossfade, tile) :
-            fillExtrusionUniformValues(matrix, painter, shouldUseVerticalGradient);
+            fillExtrusionPatternUniformValues(matrix, painter, shouldUseVerticalGradient, opacity, coord, crossfade, tile) :
+            fillExtrusionUniformValues(matrix, painter, shouldUseVerticalGradient, opacity);
 
 
         program.draw(context, context.gl.TRIANGLES, depthMode, stencilMode, colorMode, CullFaceMode.backCCW,
diff --git a/src/render/offscreen.js b/src/render/offscreen.js
deleted file mode 100644
index 30e7bb1ec64..00000000000
--- a/src/render/offscreen.js
+++ /dev/null
@@ -1,64 +0,0 @@
-// @flow
-
-import Texture from './texture';
-import Color from '../style-spec/util/color';
-import DepthMode from '../gl/depth_mode';
-import StencilMode from '../gl/stencil_mode';
-import CullFaceMode from '../gl/cull_face_mode';
-import {extrusionTextureUniformValues} from './program/fill_extrusion_program';
-
-import type Painter from './painter';
-import type CustomStyleLayer from '../style/style_layer/custom_style_layer';
-import type FillExtrusionStyleLayer from '../style/style_layer/fill_extrusion_style_layer';
-
-export function prepareOffscreenFramebuffer(painter: Painter, layer: CustomStyleLayer | FillExtrusionStyleLayer) {
-    const context = painter.context;
-    const gl = context.gl;
-
-    let renderTarget = layer.viewportFrame;
-
-    if (painter.depthRboNeedsClear) {
-        painter.setupOffscreenDepthRenderbuffer();
-    }
-
-    if (!renderTarget) {
-        const texture = new Texture(context, {width: painter.width, height: painter.height, data: null}, gl.RGBA);
-        texture.bind(gl.LINEAR, gl.CLAMP_TO_EDGE);
-
-        renderTarget = layer.viewportFrame = context.createFramebuffer(painter.width, painter.height);
-        renderTarget.colorAttachment.set(texture.texture);
-    }
-
-    context.bindFramebuffer.set(renderTarget.framebuffer);
-    renderTarget.depthAttachment.set(painter.depthRbo);
-
-    if (painter.depthRboNeedsClear) {
-        context.clear({ depth: 1 });
-        painter.depthRboNeedsClear = false;
-    }
-
-    context.clear({ color: Color.transparent });
-
-    context.setStencilMode(StencilMode.disabled);
-    context.setDepthMode(new DepthMode(gl.LEQUAL, DepthMode.ReadWrite, [0, 1]));
-    context.setColorMode(painter.colorModeForRenderPass());
-}
-
-export function drawOffscreenTexture(painter: Painter, layer: CustomStyleLayer | FillExtrusionStyleLayer, opacity: number) {
-    const renderedTexture = layer.viewportFrame;
-    if (!renderedTexture) return;
-
-    const context = painter.context;
-    const gl = context.gl;
-
-    context.activeTexture.set(gl.TEXTURE0);
-    gl.bindTexture(gl.TEXTURE_2D, renderedTexture.colorAttachment.get());
-
-    painter.useProgram('extrusionTexture').draw(context, gl.TRIANGLES,
-        DepthMode.disabled, StencilMode.disabled,
-        painter.colorModeForRenderPass(),
-        CullFaceMode.disabled,
-        extrusionTextureUniformValues(painter, opacity, 0),
-        layer.id, painter.viewportBuffer, painter.quadTriangleIndexBuffer,
-        painter.viewportSegments, layer.paint, painter.transform.zoom);
-}
diff --git a/src/render/painter.js b/src/render/painter.js
index 6ccd0ba4743..03cadf9e8ba 100644
--- a/src/render/painter.js
+++ b/src/render/painter.js
@@ -61,7 +61,7 @@ import type ImageManager from './image_manager';
 import type GlyphManager from './glyph_manager';
 import type VertexBuffer from '../gl/vertex_buffer';
 import type IndexBuffer from '../gl/index_buffer';
-import type {DepthMaskType, DepthFuncType} from '../gl/types';
+import type {DepthRangeType, DepthMaskType, DepthFuncType} from '../gl/types';
 
 export type RenderPass = 'offscreen' | 'opaque' | 'translucent';
 
@@ -108,9 +108,12 @@ class Painter {
     lineAtlas: LineAtlas;
     imageManager: ImageManager;
     glyphManager: GlyphManager;
-    depthRange: number;
+    depthRangeFor3D: DepthRangeType;
+    opaquePassCutoff: number;
     renderPass: RenderPass;
     currentLayer: number;
+    currentStencilSource: ?string;
+    nextStencilID: number;
     id: string;
     _showOverdrawInspector: boolean;
     cache: { [string]: Program<*> };
@@ -219,6 +222,9 @@ class Painter {
         const context = this.context;
         const gl = context.gl;
 
+        this.nextStencilID = 1;
+        this.currentStencilSource = undefined;
+
         // As a temporary workaround for https://github.com/mapbox/mapbox-gl-js/issues/5490,
         // pending an upstream fix, we draw a fullscreen stencil=0 clipping mask here,
         // effectively clearing the stencil buffer: once an upstream patch lands, remove
@@ -235,20 +241,28 @@ class Painter {
             this.quadTriangleIndexBuffer, this.viewportSegments);
     }
 
-    _renderTileClippingMasks(tileIDs: Array<OverscaledTileID>) {
+    _renderTileClippingMasks(layer: StyleLayer, tileIDs: Array<OverscaledTileID>) {
+        if (this.currentStencilSource === layer.source || !layer.isTileClipped() || !tileIDs || !tileIDs.length) return;
+
+        this.currentStencilSource = layer.source;
+
         const context = this.context;
         const gl = context.gl;
 
+        if (this.nextStencilID + tileIDs.length > 256) {
+            // we'll run out of fresh IDs so we need to clear and start from scratch
+            this.clearStencil();
+        }
+
         context.setColorMode(ColorMode.disabled);
         context.setDepthMode(DepthMode.disabled);
 
         const program = this.useProgram('clippingMask');
 
-        let idNext = 1;
         this._tileClippingMaskIDs = {};
 
         for (const tileID of tileIDs) {
-            const id = this._tileClippingMaskIDs[tileID.key] = idNext++;
+            const id = this._tileClippingMaskIDs[tileID.key] = this.nextStencilID++;
 
             program.draw(context, gl.TRIANGLES, DepthMode.disabled,
                 // Tests will always pass, and ref value will be written to stencil buffer.
@@ -259,6 +273,16 @@ class Painter {
         }
     }
 
+    stencilModeFor3D(): StencilMode {
+        if (this.nextStencilID + 1 > 256) {
+            this.clearStencil();
+        }
+
+        const id = this.nextStencilID++;
+        const gl = this.context.gl;
+        return new StencilMode({ func: gl.NOTEQUAL, mask: 0xFF }, id, 0xFF, gl.KEEP, gl.KEEP, gl.REPLACE);
+    }
+
     stencilModeForClipping(tileID: OverscaledTileID): StencilMode {
         const gl = this.context.gl;
         return new StencilMode({ func: gl.EQUAL, mask: 0xFF }, this._tileClippingMaskIDs[tileID.key], 0x00, gl.KEEP, gl.KEEP, gl.REPLACE);
@@ -278,11 +302,23 @@ class Painter {
         }
     }
 
-    depthModeForSublayer(n: number, mask: DepthMaskType, func: ?DepthFuncType): DepthMode {
+    depthModeForSublayer(n: number, mask: DepthMaskType, func: ?DepthFuncType): $ReadOnly<DepthMode> {
+        if (!this.opaquePassEnabledForLayer()) return DepthMode.disabled;
         const depth = 1 - ((1 + this.currentLayer) * this.numSublayers + n) * this.depthEpsilon;
         return new DepthMode(func || this.context.gl.LEQUAL, mask, [depth, depth]);
     }
 
+    /*
+     * The opaque pass and 3D layers both use the depth buffer.
+     * Layers drawn above 3D layers need to be drawn using the
+     * painter's algorithm so that they appear above 3D features.
+     * This returns true for layers that can be drawn using the
+     * opaque pass.
+     */
+    opaquePassEnabledForLayer() {
+        return this.currentLayer < this.opaquePassCutoff;
+    }
+
     render(style: Style, options: PainterOptions) {
         this.style = style;
         this.options = options;
@@ -323,6 +359,15 @@ class Painter {
             updateTileMasks(visibleTiles, this.context);
         }
 
+        this.opaquePassCutoff = Infinity;
+        for (let i = 0; i < layerIds.length; i++) {
+            const layerId = layerIds[i];
+            if (this.style._layers[layerId].is3D()) {
+                this.opaquePassCutoff = i;
+                break;
+            }
+        }
+
         // Offscreen pass ===============================================
         // We first do all rendering that requires rendering to a separate
         // framebuffer, and then save those for rendering back to the map
@@ -345,36 +390,29 @@ class Painter {
 
         // Clear buffers in preparation for drawing to the main framebuffer
         this.context.clear({ color: options.showOverdrawInspector ? Color.black : Color.transparent, depth: 1 });
+        this.clearStencil();
 
         this._showOverdrawInspector = options.showOverdrawInspector;
-        this.depthRange = (style._order.length + 2) * this.numSublayers * this.depthEpsilon;
+        this.depthRangeFor3D = [0, 1 - ((style._order.length + 2) * this.numSublayers * this.depthEpsilon)];
 
         // Opaque pass ===============================================
         // Draw opaque layers top-to-bottom first.
         this.renderPass = 'opaque';
-        let prevSourceId;
 
         for (this.currentLayer = layerIds.length - 1; this.currentLayer >= 0; this.currentLayer--) {
             const layer = this.style._layers[layerIds[this.currentLayer]];
             const sourceCache = sourceCaches[layer.source];
             const coords = coordsAscending[layer.source];
 
-            if (layer.source !== prevSourceId && sourceCache) {
-                this.clearStencil();
-                if (sourceCache.getSource().isTileClipped) {
-                    this._renderTileClippingMasks(coords);
-                }
-            }
-
+            this._renderTileClippingMasks(layer, coords);
             this.renderLayer(this, sourceCache, layer, coords);
-            prevSourceId = layer.source;
         }
 
         // Translucent pass ===============================================
         // Draw all other layers bottom-to-top.
         this.renderPass = 'translucent';
 
-        for (this.currentLayer = 0, prevSourceId = null; this.currentLayer < layerIds.length; this.currentLayer++) {
+        for (this.currentLayer = 0; this.currentLayer < layerIds.length; this.currentLayer++) {
             const layer = this.style._layers[layerIds[this.currentLayer]];
             const sourceCache = sourceCaches[layer.source];
 
@@ -383,15 +421,8 @@ class Painter {
             // separate clipping masks
             const coords = (layer.type === 'symbol' ? coordsDescendingSymbol : coordsDescending)[layer.source];
 
-            if (layer.source !== prevSourceId && sourceCache) {
-                this.clearStencil();
-                if (sourceCache.getSource().isTileClipped) {
-                    this._renderTileClippingMasks(coordsAscending[layer.source]);
-                }
-            }
-
+            this._renderTileClippingMasks(layer, coordsAscending[layer.source]);
             this.renderLayer(this, sourceCache, layer, coords);
-            prevSourceId = layer.source;
         }
 
         if (this.options.showTileBoundaries) {
diff --git a/src/render/program/fill_extrusion_program.js b/src/render/program/fill_extrusion_program.js
index 080420a9b37..dbf4a680d7a 100644
--- a/src/render/program/fill_extrusion_program.js
+++ b/src/render/program/fill_extrusion_program.js
@@ -10,7 +10,7 @@ import {
     UniformMatrix4f
 } from '../uniform_binding';
 
-import {mat3, vec3, mat4} from 'gl-matrix';
+import {mat3, vec3} from 'gl-matrix';
 import { extend } from '../../util/util';
 
 import type Context from '../../gl/context';
@@ -25,7 +25,8 @@ export type FillExtrusionUniformsType = {|
     'u_lightpos': Uniform3f,
     'u_lightintensity': Uniform1f,
     'u_lightcolor': Uniform3f,
-    'u_vertical_gradient': Uniform1f
+    'u_vertical_gradient': Uniform1f,
+    'u_opacity': Uniform1f
 |};
 
 export type FillExtrusionPatternUniformsType = {|
@@ -41,13 +42,7 @@ export type FillExtrusionPatternUniformsType = {|
     'u_pixel_coord_upper': Uniform2f,
     'u_pixel_coord_lower': Uniform2f,
     'u_scale': Uniform4f,
-    'u_fade': Uniform1f
-|};
-
-export type ExtrusionTextureUniformsType = {|
-    'u_matrix': UniformMatrix4f,
-    'u_world': Uniform2f,
-    'u_image': Uniform1i,
+    'u_fade': Uniform1f,
     'u_opacity': Uniform1f
 |};
 
@@ -56,7 +51,8 @@ const fillExtrusionUniforms = (context: Context, locations: UniformLocations): F
     'u_lightpos': new Uniform3f(context, locations.u_lightpos),
     'u_lightintensity': new Uniform1f(context, locations.u_lightintensity),
     'u_lightcolor': new Uniform3f(context, locations.u_lightcolor),
-    'u_vertical_gradient': new Uniform1f(context, locations.u_vertical_gradient)
+    'u_vertical_gradient': new Uniform1f(context, locations.u_vertical_gradient),
+    'u_opacity': new Uniform1f(context, locations.u_opacity)
 });
 
 const fillExtrusionPatternUniforms = (context: Context, locations: UniformLocations): FillExtrusionPatternUniformsType => ({
@@ -72,20 +68,15 @@ const fillExtrusionPatternUniforms = (context: Context, locations: UniformLocati
     'u_pixel_coord_upper': new Uniform2f(context, locations.u_pixel_coord_upper),
     'u_pixel_coord_lower': new Uniform2f(context, locations.u_pixel_coord_lower),
     'u_scale': new Uniform4f(context, locations.u_scale),
-    'u_fade': new Uniform1f(context, locations.u_fade)
-});
-
-const extrusionTextureUniforms = (context: Context, locations: UniformLocations): ExtrusionTextureUniformsType => ({
-    'u_matrix': new UniformMatrix4f(context, locations.u_matrix),
-    'u_world': new Uniform2f(context, locations.u_world),
-    'u_image': new Uniform1i(context, locations.u_image),
+    'u_fade': new Uniform1f(context, locations.u_fade),
     'u_opacity': new Uniform1f(context, locations.u_opacity)
 });
 
 const fillExtrusionUniformValues = (
     matrix: Float32Array,
     painter: Painter,
-    shouldUseVerticalGradient: boolean
+    shouldUseVerticalGradient: boolean,
+    opacity: number
 ): UniformValues<FillExtrusionUniformsType> => {
     const light = painter.style.light;
     const _lp = light.properties.get('position');
@@ -103,7 +94,8 @@ const fillExtrusionUniformValues = (
         'u_lightpos': lightPos,
         'u_lightintensity': light.properties.get('intensity'),
         'u_lightcolor': [lightColor.r, lightColor.g, lightColor.b],
-        'u_vertical_gradient': +shouldUseVerticalGradient
+        'u_vertical_gradient': +shouldUseVerticalGradient,
+        'u_opacity': opacity
     };
 };
 
@@ -111,40 +103,21 @@ const fillExtrusionPatternUniformValues = (
     matrix: Float32Array,
     painter: Painter,
     shouldUseVerticalGradient: boolean,
+    opacity: number,
     coord: OverscaledTileID,
     crossfade: CrossfadeParameters,
     tile: Tile
 ): UniformValues<FillExtrusionPatternUniformsType> => {
-    return extend(fillExtrusionUniformValues(matrix, painter, shouldUseVerticalGradient),
+    return extend(fillExtrusionUniformValues(matrix, painter, shouldUseVerticalGradient, opacity),
         patternUniformValues(crossfade, painter, tile),
         {
             'u_height_factor': -Math.pow(2, coord.overscaledZ) / tile.tileSize / 8
         });
 };
 
-const extrusionTextureUniformValues = (
-    painter: Painter,
-    opacity: number,
-    textureUnit: number
-): UniformValues<ExtrusionTextureUniformsType> => {
-    const matrix = mat4.create();
-    mat4.ortho(matrix, 0, painter.width, painter.height, 0, 0, 1);
-
-    const gl = painter.context.gl;
-
-    return {
-        'u_matrix': matrix,
-        'u_world': [gl.drawingBufferWidth, gl.drawingBufferHeight],
-        'u_image': textureUnit,
-        'u_opacity': opacity
-    };
-};
-
 export {
     fillExtrusionUniforms,
     fillExtrusionPatternUniforms,
-    extrusionTextureUniforms,
     fillExtrusionUniformValues,
-    fillExtrusionPatternUniformValues,
-    extrusionTextureUniformValues
+    fillExtrusionPatternUniformValues
 };
diff --git a/src/render/program/program_uniforms.js b/src/render/program/program_uniforms.js
index 5dbf64cef07..34fafaa4993 100644
--- a/src/render/program/program_uniforms.js
+++ b/src/render/program/program_uniforms.js
@@ -1,6 +1,6 @@
 // @flow
 
-import { fillExtrusionUniforms, fillExtrusionPatternUniforms, extrusionTextureUniforms } from './fill_extrusion_program';
+import { fillExtrusionUniforms, fillExtrusionPatternUniforms } from './fill_extrusion_program';
 import { fillUniforms, fillPatternUniforms, fillOutlineUniforms, fillOutlinePatternUniforms } from './fill_program';
 import { circleUniforms } from './circle_program';
 import { collisionUniforms } from './collision_program';
@@ -16,7 +16,6 @@ import { backgroundUniforms, backgroundPatternUniforms } from './background_prog
 export const programUniforms = {
     fillExtrusion: fillExtrusionUniforms,
     fillExtrusionPattern: fillExtrusionPatternUniforms,
-    extrusionTexture: extrusionTextureUniforms,
     fill: fillUniforms,
     fillPattern: fillPatternUniforms,
     fillOutline: fillOutlineUniforms,
diff --git a/src/shaders/extrusion_texture.fragment.glsl b/src/shaders/extrusion_texture.fragment.glsl
deleted file mode 100644
index d857c50b894..00000000000
--- a/src/shaders/extrusion_texture.fragment.glsl
+++ /dev/null
@@ -1,11 +0,0 @@
-uniform sampler2D u_image;
-uniform float u_opacity;
-varying vec2 v_pos;
-
-void main() {
-    gl_FragColor = texture2D(u_image, v_pos) * u_opacity;
-
-#ifdef OVERDRAW_INSPECTOR
-    gl_FragColor = vec4(0.0);
-#endif
-}
diff --git a/src/shaders/extrusion_texture.vertex.glsl b/src/shaders/extrusion_texture.vertex.glsl
deleted file mode 100644
index 0e57d0faaf7..00000000000
--- a/src/shaders/extrusion_texture.vertex.glsl
+++ /dev/null
@@ -1,11 +0,0 @@
-uniform mat4 u_matrix;
-uniform vec2 u_world;
-attribute vec2 a_pos;
-varying vec2 v_pos;
-
-void main() {
-    gl_Position = u_matrix * vec4(a_pos * u_world, 0, 1);
-
-    v_pos.x = a_pos.x;
-    v_pos.y = 1.0 - a_pos.y;
-}
diff --git a/src/shaders/fill_extrusion.vertex.glsl b/src/shaders/fill_extrusion.vertex.glsl
index df1b8556227..7a771b6dc97 100644
--- a/src/shaders/fill_extrusion.vertex.glsl
+++ b/src/shaders/fill_extrusion.vertex.glsl
@@ -3,6 +3,7 @@ uniform vec3 u_lightcolor;
 uniform lowp vec3 u_lightpos;
 uniform lowp float u_lightintensity;
 uniform float u_vertical_gradient;
+uniform lowp float u_opacity;
 
 attribute vec2 a_pos;
 attribute vec4 a_normal_ed;
@@ -61,4 +62,5 @@ void main() {
     v_color.r += clamp(color.r * directional * u_lightcolor.r, mix(0.0, 0.3, 1.0 - u_lightcolor.r), 1.0);
     v_color.g += clamp(color.g * directional * u_lightcolor.g, mix(0.0, 0.3, 1.0 - u_lightcolor.g), 1.0);
     v_color.b += clamp(color.b * directional * u_lightcolor.b, mix(0.0, 0.3, 1.0 - u_lightcolor.b), 1.0);
+    v_color *= u_opacity;
 }
diff --git a/src/shaders/fill_extrusion_pattern.vertex.glsl b/src/shaders/fill_extrusion_pattern.vertex.glsl
index 4c314f19bff..2761d56b6a9 100644
--- a/src/shaders/fill_extrusion_pattern.vertex.glsl
+++ b/src/shaders/fill_extrusion_pattern.vertex.glsl
@@ -4,6 +4,7 @@ uniform vec2 u_pixel_coord_lower;
 uniform float u_height_factor;
 uniform vec4 u_scale;
 uniform float u_vertical_gradient;
+uniform lowp float u_opacity;
 
 uniform vec3 u_lightcolor;
 uniform lowp vec3 u_lightpos;
@@ -71,4 +72,5 @@ void main() {
     }
 
     v_lighting.rgb += clamp(directional * u_lightcolor, mix(vec3(0.0), vec3(0.3), 1.0 - u_lightcolor), vec3(1.0));
+    v_lighting *= u_opacity;
 }
diff --git a/src/shaders/shaders.js b/src/shaders/shaders.js
index 7c569fda562..85c9e058349 100644
--- a/src/shaders/shaders.js
+++ b/src/shaders/shaders.js
@@ -34,8 +34,6 @@ import fillExtrusionFrag from './fill_extrusion.fragment.glsl';
 import fillExtrusionVert from './fill_extrusion.vertex.glsl';
 import fillExtrusionPatternFrag from './fill_extrusion_pattern.fragment.glsl';
 import fillExtrusionPatternVert from './fill_extrusion_pattern.vertex.glsl';
-import extrusionTextureFrag from './extrusion_texture.fragment.glsl';
-import extrusionTextureVert from './extrusion_texture.vertex.glsl';
 import hillshadePrepareFrag from './hillshade_prepare.fragment.glsl';
 import hillshadePrepareVert from './hillshade_prepare.vertex.glsl';
 import hillshadeFrag from './hillshade.fragment.glsl';
@@ -71,7 +69,6 @@ export const fillOutlinePattern = compile(fillOutlinePatternFrag, fillOutlinePat
 export const fillPattern = compile(fillPatternFrag, fillPatternVert);
 export const fillExtrusion = compile(fillExtrusionFrag, fillExtrusionVert);
 export const fillExtrusionPattern = compile(fillExtrusionPatternFrag, fillExtrusionPatternVert);
-export const extrusionTexture = compile(extrusionTextureFrag, extrusionTextureVert);
 export const hillshadePrepare = compile(hillshadePrepareFrag, hillshadePrepareVert);
 export const hillshade = compile(hillshadeFrag, hillshadeVert);
 export const line = compile(lineFrag, lineVert);
diff --git a/src/style/style_layer.js b/src/style/style_layer.js
index 131f055aedf..263b123eab7 100644
--- a/src/style/style_layer.js
+++ b/src/style/style_layer.js
@@ -237,6 +237,14 @@ class StyleLayer extends Evented {
         }));
     }
 
+    is3D() {
+        return false;
+    }
+
+    isTileClipped() {
+        return false;
+    }
+
     hasOffscreenPass() {
         return false;
     }
diff --git a/src/style/style_layer/custom_style_layer.js b/src/style/style_layer/custom_style_layer.js
index ebb88deedb5..9e585ff8a44 100644
--- a/src/style/style_layer/custom_style_layer.js
+++ b/src/style/style_layer/custom_style_layer.js
@@ -1,7 +1,6 @@
 // @flow
 
 import StyleLayer from '../style_layer';
-import type Framebuffer from '../../gl/framebuffer';
 import type Map from '../../ui/map';
 import assert from 'assert';
 
@@ -175,16 +174,18 @@ export function validateCustomStyleLayer(layerObject: CustomLayerInterface) {
 class CustomStyleLayer extends StyleLayer {
 
     implementation: CustomLayerInterface;
-    viewportFrame: ?Framebuffer;
 
     constructor(implementation: CustomLayerInterface) {
         super(implementation, {});
         this.implementation = implementation;
     }
 
+    is3D() {
+        return this.implementation.renderingMode === '3d';
+    }
 
     hasOffscreenPass() {
-        return this.implementation.prerender !== undefined || this.implementation.renderingMode === '3d';
+        return this.implementation.prerender !== undefined;
     }
 
     recalculate() {}
@@ -195,13 +196,6 @@ class CustomStyleLayer extends StyleLayer {
         assert(false, "Custom layers cannot be serialized");
     }
 
-    resize() {
-        if (this.viewportFrame) {
-            this.viewportFrame.destroy();
-            this.viewportFrame = null;
-        }
-    }
-
     onAdd(map: Map) {
         if (this.implementation.onAdd) {
             this.implementation.onAdd(map, map.painter.context.gl);
diff --git a/src/style/style_layer/fill_extrusion_style_layer.js b/src/style/style_layer/fill_extrusion_style_layer.js
index 1bfb784d641..9e90893e7b3 100644
--- a/src/style/style_layer/fill_extrusion_style_layer.js
+++ b/src/style/style_layer/fill_extrusion_style_layer.js
@@ -13,7 +13,6 @@ import Point from '@mapbox/point-geometry';
 import type { FeatureState } from '../../style-spec/expression';
 import type {BucketParameters} from '../../data/bucket';
 import type {PaintProps} from './fill_extrusion_style_layer_properties';
-import type Framebuffer from '../../gl/framebuffer';
 import type Transform from '../../geo/transform';
 import type {LayerSpecification} from '../../style-spec/types';
 
@@ -21,7 +20,6 @@ class FillExtrusionStyleLayer extends StyleLayer {
     _transitionablePaint: Transitionable<PaintProps>;
     _transitioningPaint: Transitioning<PaintProps>;
     paint: PossiblyEvaluated<PaintProps>;
-    viewportFrame: ?Framebuffer;
 
     constructor(layer: LayerSpecification) {
         super(layer, properties);
@@ -35,6 +33,10 @@ class FillExtrusionStyleLayer extends StyleLayer {
         return translateDistance(this.paint.get('fill-extrusion-translate'));
     }
 
+    is3D(): boolean {
+        return true;
+    }
+
     queryIntersectsFeature(queryGeometry: Array<Point>,
                            feature: VectorTileFeature,
                            featureState: FeatureState,
@@ -59,17 +61,6 @@ class FillExtrusionStyleLayer extends StyleLayer {
         const projectedTop = projected[1];
         return checkIntersection(projectedBase, projectedTop, projectedQueryGeometry);
     }
-
-    hasOffscreenPass() {
-        return this.paint.get('fill-extrusion-opacity') !== 0 && this.visibility !== 'none';
-    }
-
-    resize() {
-        if (this.viewportFrame) {
-            this.viewportFrame.destroy();
-            this.viewportFrame = null;
-        }
-    }
 }
 
 function dot(a, b) {
diff --git a/src/style/style_layer/fill_style_layer.js b/src/style/style_layer/fill_style_layer.js
index 9d46e9cad1b..c7a555676d5 100644
--- a/src/style/style_layer/fill_style_layer.js
+++ b/src/style/style_layer/fill_style_layer.js
@@ -55,6 +55,10 @@ class FillStyleLayer extends StyleLayer {
             transform.angle, pixelsToTileUnits);
         return polygonIntersectsMultiPolygon(translatedPolygon, geometry);
     }
+
+    isTileClipped() {
+        return true;
+    }
 }
 
 export default FillStyleLayer;
diff --git a/src/style/style_layer/line_style_layer.js b/src/style/style_layer/line_style_layer.js
index 224836e4ebb..63ce50f1c4b 100644
--- a/src/style/style_layer/line_style_layer.js
+++ b/src/style/style_layer/line_style_layer.js
@@ -110,6 +110,10 @@ class LineStyleLayer extends StyleLayer {
         }
         return polygonIntersectsBufferedMultiLine(translatedPolygon, geometry, halfWidth);
     }
+
+    isTileClipped() {
+        return true;
+    }
 }
 
 export default LineStyleLayer;
diff --git a/src/ui/map.js b/src/ui/map.js
index ca86320323e..55a159fbf5f 100755
--- a/src/ui/map.js
+++ b/src/ui/map.js
@@ -75,6 +75,7 @@ type MapOptions = {
     logoPosition?: ControlPosition,
     failIfMajorPerformanceCaveat?: boolean,
     preserveDrawingBuffer?: boolean,
+    antialias?: boolean,
     refreshExpiredTiles?: boolean,
     maxBounds?: LngLatBoundsLike,
     scrollZoom?: boolean,
@@ -183,6 +184,7 @@ const defaultOptions = {
  * @param {boolean} [options.failIfMajorPerformanceCaveat=false] If `true`, map creation will fail if the performance of Mapbox
  *   GL JS would be dramatically worse than expected (i.e. a software renderer would be used).
  * @param {boolean} [options.preserveDrawingBuffer=false] If `true`, the map's canvas can be exported to a PNG using `map.getCanvas().toDataURL()`. This is `false` by default as a performance optimization.
+ * @param {boolean} [options.antialias] If `true`, create the gl context will be created with msaa antialiasing, which can be useful for antialiasing custom layers. this is `false` by default as a performance optimization.
  * @param {boolean} [options.refreshExpiredTiles=true] If `false`, the map won't attempt to re-request tiles once they expire per their HTTP `cacheControl`/`expires` headers.
  * @param {LngLatBoundsLike} [options.maxBounds] If set, the map will be constrained to the given bounds.
  * @param {boolean|Object} [options.scrollZoom=true] If `true`, the "scroll to zoom" interaction is enabled. An `Object` value is passed as options to {@link ScrollZoomHandler#enable}.
@@ -255,6 +257,7 @@ class Map extends Camera {
     _trackResize: boolean;
     _preserveDrawingBuffer: boolean;
     _failIfMajorPerformanceCaveat: boolean;
+    _antialias: boolean;
     _refreshExpiredTiles: boolean;
     _hash: Hash;
     _delegatedListeners: any;
@@ -317,6 +320,7 @@ class Map extends Camera {
         this._maxTileCacheSize = options.maxTileCacheSize;
         this._failIfMajorPerformanceCaveat = options.failIfMajorPerformanceCaveat;
         this._preserveDrawingBuffer = options.preserveDrawingBuffer;
+        this._antialias = options.antialias;
         this._trackResize = options.trackResize;
         this._bearingSnap = options.bearingSnap;
         this._refreshExpiredTiles = options.refreshExpiredTiles;
@@ -1547,10 +1551,11 @@ class Map extends Camera {
     }
 
     _setupPainter() {
-        const attributes = extend({
+        const attributes = extend({}, isSupported.webGLContextAttributes, {
             failIfMajorPerformanceCaveat: this._failIfMajorPerformanceCaveat,
-            preserveDrawingBuffer: this._preserveDrawingBuffer
-        }, isSupported.webGLContextAttributes);
+            preserveDrawingBuffer: this._preserveDrawingBuffer,
+            antialias: this._antialias || false
+        });
 
         const gl = this._canvas.getContext('webgl', attributes) ||
             this._canvas.getContext('experimental-webgl', attributes);
diff --git a/test/ignores.json b/test/ignores.json
index ab5dfad74d0..57763daab8d 100644
--- a/test/ignores.json
+++ b/test/ignores.json
@@ -12,5 +12,6 @@
   "render-tests/regressions/mapbox-gl-js#3682": "skip - true",
   "render-tests/runtime-styling/image-update-icon": "skip - https://github.com/mapbox/mapbox-gl-js/issues/4804",
   "render-tests/runtime-styling/image-update-pattern": "skip - https://github.com/mapbox/mapbox-gl-js/issues/4804",
-  "render-tests/mixed-zoom/z10-z11": "current behavior conflicts with https://github.com/mapbox/mapbox-gl-js/pull/6803. can be fixed when https://github.com/mapbox/api-maps/issues/1480 is done"
+  "render-tests/mixed-zoom/z10-z11": "current behavior conflicts with https://github.com/mapbox/mapbox-gl-js/pull/6803. can be fixed when https://github.com/mapbox/api-maps/issues/1480 is done",
+  "render-tests/fill-extrusion-pattern/tile-buffer": "https://github.com/mapbox/mapbox-gl-js/issues/4403"
 }
diff --git a/test/integration/render-tests/custom-layer-js/tent-3d/expected.png b/test/integration/render-tests/custom-layer-js/tent-3d/expected.png
index c6ee90d6690..cae223d5c02 100644
Binary files a/test/integration/render-tests/custom-layer-js/tent-3d/expected.png and b/test/integration/render-tests/custom-layer-js/tent-3d/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/@2x/expected.png b/test/integration/render-tests/fill-extrusion-pattern/@2x/expected.png
index c7bdf3b886e..2994ade87fc 100644
Binary files a/test/integration/render-tests/fill-extrusion-pattern/@2x/expected.png and b/test/integration/render-tests/fill-extrusion-pattern/@2x/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/@2x/style.json b/test/integration/render-tests/fill-extrusion-pattern/@2x/style.json
index d68b7d32b03..91ff69322a3 100644
--- a/test/integration/render-tests/fill-extrusion-pattern/@2x/style.json
+++ b/test/integration/render-tests/fill-extrusion-pattern/@2x/style.json
@@ -9,6 +9,7 @@
   "sources": {
     "geojson": {
       "type": "geojson",
+      "buffer": 0,
       "data": {
         "type": "FeatureCollection",
         "features": [
@@ -96,4 +97,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/test/integration/render-tests/fill-extrusion-pattern/feature-expression/expected.png b/test/integration/render-tests/fill-extrusion-pattern/feature-expression/expected.png
index aa2ef97b9d5..d7573106f76 100644
Binary files a/test/integration/render-tests/fill-extrusion-pattern/feature-expression/expected.png and b/test/integration/render-tests/fill-extrusion-pattern/feature-expression/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/feature-expression/style.json b/test/integration/render-tests/fill-extrusion-pattern/feature-expression/style.json
index 360934bf306..8e408e81f55 100644
--- a/test/integration/render-tests/fill-extrusion-pattern/feature-expression/style.json
+++ b/test/integration/render-tests/fill-extrusion-pattern/feature-expression/style.json
@@ -8,6 +8,7 @@
   "sources": {
     "geojson": {
       "type": "geojson",
+      "buffer": 0,
       "data": {
         "type": "FeatureCollection",
         "features": [
diff --git a/test/integration/render-tests/fill-extrusion-pattern/function-2/expected.png b/test/integration/render-tests/fill-extrusion-pattern/function-2/expected.png
index 367f73f7545..cd86e8dccfe 100644
Binary files a/test/integration/render-tests/fill-extrusion-pattern/function-2/expected.png and b/test/integration/render-tests/fill-extrusion-pattern/function-2/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/function-2/style.json b/test/integration/render-tests/fill-extrusion-pattern/function-2/style.json
index 3b51dc820f6..fcde2e7bab0 100644
--- a/test/integration/render-tests/fill-extrusion-pattern/function-2/style.json
+++ b/test/integration/render-tests/fill-extrusion-pattern/function-2/style.json
@@ -9,6 +9,7 @@
   "sources": {
     "geojson": {
       "type": "geojson",
+      "buffer": 0,
       "data": {
         "type": "FeatureCollection",
         "features": [
diff --git a/test/integration/render-tests/fill-extrusion-pattern/function/expected.png b/test/integration/render-tests/fill-extrusion-pattern/function/expected.png
index 753a82851c4..e60cd56c3a6 100644
Binary files a/test/integration/render-tests/fill-extrusion-pattern/function/expected.png and b/test/integration/render-tests/fill-extrusion-pattern/function/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/function/style.json b/test/integration/render-tests/fill-extrusion-pattern/function/style.json
index 9849b8ae27a..8ff57ee9568 100644
--- a/test/integration/render-tests/fill-extrusion-pattern/function/style.json
+++ b/test/integration/render-tests/fill-extrusion-pattern/function/style.json
@@ -8,6 +8,7 @@
   "sources": {
     "geojson": {
       "type": "geojson",
+      "buffer": 0,
       "data": {
         "type": "FeatureCollection",
         "features": [
@@ -107,4 +108,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/test/integration/render-tests/fill-extrusion-pattern/literal/expected.png b/test/integration/render-tests/fill-extrusion-pattern/literal/expected.png
index 753a82851c4..8f4c7eb60d7 100644
Binary files a/test/integration/render-tests/fill-extrusion-pattern/literal/expected.png and b/test/integration/render-tests/fill-extrusion-pattern/literal/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/literal/style.json b/test/integration/render-tests/fill-extrusion-pattern/literal/style.json
index 48abec51f93..39209caf993 100644
--- a/test/integration/render-tests/fill-extrusion-pattern/literal/style.json
+++ b/test/integration/render-tests/fill-extrusion-pattern/literal/style.json
@@ -8,6 +8,7 @@
   "sources": {
     "geojson": {
       "type": "geojson",
+      "buffer": 0,
       "data": {
         "type": "FeatureCollection",
         "features": [
@@ -95,4 +96,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/test/integration/render-tests/fill-extrusion-pattern/opacity/expected.png b/test/integration/render-tests/fill-extrusion-pattern/opacity/expected.png
index 09f7eb3e18d..31f8fb76e34 100644
Binary files a/test/integration/render-tests/fill-extrusion-pattern/opacity/expected.png and b/test/integration/render-tests/fill-extrusion-pattern/opacity/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/opacity/style.json b/test/integration/render-tests/fill-extrusion-pattern/opacity/style.json
index f8694f44428..f0435da36db 100644
--- a/test/integration/render-tests/fill-extrusion-pattern/opacity/style.json
+++ b/test/integration/render-tests/fill-extrusion-pattern/opacity/style.json
@@ -8,6 +8,7 @@
   "sources": {
     "geojson": {
       "type": "geojson",
+      "buffer": 0,
       "data": {
         "type": "FeatureCollection",
         "features": [
@@ -96,4 +97,4 @@
       }
     }
   ]
-}
\ No newline at end of file
+}
diff --git a/test/integration/render-tests/fill-extrusion-pattern/tile-buffer/expected.png b/test/integration/render-tests/fill-extrusion-pattern/tile-buffer/expected.png
new file mode 100644
index 00000000000..8b08b54ea97
Binary files /dev/null and b/test/integration/render-tests/fill-extrusion-pattern/tile-buffer/expected.png differ
diff --git a/test/integration/render-tests/fill-extrusion-pattern/tile-buffer/style.json b/test/integration/render-tests/fill-extrusion-pattern/tile-buffer/style.json
new file mode 100644
index 00000000000..dd60969401c
--- /dev/null
+++ b/test/integration/render-tests/fill-extrusion-pattern/tile-buffer/style.json
@@ -0,0 +1,98 @@
+{
+  "version": 8,
+  "metadata": {
+    "test": {
+      "height": 256
+    }
+  },
+  "sources": {
+    "geojson": {
+      "type": "geojson",
+      "data": {
+        "type": "FeatureCollection",
+        "features": [
+          {
+            "type": "Feature",
+            "properties": {
+              "property": 20
+            },
+            "geometry": {
+              "type": "Polygon",
+              "coordinates": [
+                [
+                  [
+                    -0.0004,
+                    0
+                  ],
+                  [
+                    -0.0002,
+                    0.0002
+                  ],
+                  [
+                    0,
+                    0
+                  ],
+                  [
+                    -0.0002,
+                    -0.0002
+                  ],
+                  [
+                    -0.0004,
+                    0
+                  ]
+                ]
+              ]
+            }
+          },
+          {
+            "type": "Feature",
+            "properties": {
+              "property": 20
+            },
+            "geometry": {
+              "type": "Polygon",
+              "coordinates": [
+                [
+                  [
+                    0,
+                    -0.0002
+                  ],
+                  [
+                    0,
+                    0.0002
+                  ],
+                  [
+                    0.0003,
+                    0.0002
+                  ],
+                  [
+                    0.0003,
+                    -0.0002
+                  ],
+                  [
+                    0,
+                    -0.0002
+                  ]
+                ]
+              ]
+            }
+          }
+        ]
+      }
+    }
+  },
+  "sprite": "local://sprites/emerald",
+  "pitch": 60,
+  "zoom": 18,
+  "layers": [
+    {
+      "id": "extrusion",
+      "type": "fill-extrusion",
+      "source": "geojson",
+      "paint": {
+        "fill-extrusion-pattern": "generic_icon",
+        "fill-extrusion-height": 10
+      }
+    }
+  ]
+}