diff --git a/gpu/compute.go b/gpu/compute.go
index 36b9f74f6..55704b4f6 100644
--- a/gpu/compute.go
+++ b/gpu/compute.go
@@ -614,6 +614,9 @@ func (g *compute) encodeOps(trans f32.Affine2D, viewport image.Point, ops []imag
 		case materialLinearGradient:
 			// TODO: implement.
 			g.enc.fill(f32color.NRGBAToRGBA(op.material.color1.SRGB()))
+		case materialRadialGradient:
+			// TODO: implement.
+			g.enc.fill(f32color.NRGBAToRGBA(op.material.color1.SRGB()))
 		default:
 			panic("not implemented")
 		}
diff --git a/gpu/gpu.go b/gpu/gpu.go
index 41604fa05..e94da75ae 100644
--- a/gpu/gpu.go
+++ b/gpu/gpu.go
@@ -107,11 +107,14 @@ type drawState struct {
 	// Current paint.ColorOp, if any.
 	color color.NRGBA
 
-	// Current paint.LinearGradientOp.
+	// Current paint.LinearGradientOp and paint.RadialGradientOp.
 	stop1  f32.Point
 	stop2  f32.Point
 	color1 color.NRGBA
 	color2 color.NRGBA
+	// Current paint.RadialGradientOp.
+	offset1 float32
+	radiusy float32
 }
 
 type pathOp struct {
@@ -187,9 +190,12 @@ type material struct {
 	opaque   bool
 	// For materialTypeColor.
 	color f32color.RGBA
-	// For materialTypeLinearGradient.
+	// For materialTypeLinearGradient and materialTypeRadialGradient.
 	color1 f32color.RGBA
 	color2 f32color.RGBA
+	// For materialTypeRadialGradient.
+	offset1 float32
+	radiusy float32
 	// For materialTypeTexture.
 	data    imageOpData
 	uvTrans f32.Affine2D
@@ -212,9 +218,21 @@ type imageOpData struct {
 }
 
 type linearGradientOpData struct {
-	stop1  f32.Point
+	stop1 f32.Point
+	stop2 f32.Point
+
+	color1 color.NRGBA
+	color2 color.NRGBA
+}
+
+type radialGradientOpData struct {
+	stop1 f32.Point
+	stop2 f32.Point
+
+	offset1 float32
+	radiusy float32
+
 	color1 color.NRGBA
-	stop2  f32.Point
 	color2 color.NRGBA
 }
 
@@ -294,6 +312,37 @@ func decodeLinearGradientOp(data []byte) linearGradientOpData {
 	}
 }
 
+func decodeRadialGradientOp(data []byte) radialGradientOpData {
+	if opconst.OpType(data[0]) != opconst.TypeRadialGradient {
+		panic("invalid op")
+	}
+	bo := binary.LittleEndian
+	return radialGradientOpData{
+		stop1: f32.Point{
+			X: math.Float32frombits(bo.Uint32(data[1:])),
+			Y: math.Float32frombits(bo.Uint32(data[5:])),
+		},
+		stop2: f32.Point{
+			X: math.Float32frombits(bo.Uint32(data[9:])),
+			Y: math.Float32frombits(bo.Uint32(data[13:])),
+		},
+		radiusy: math.Float32frombits(bo.Uint32(data[17:])),
+		color1: color.NRGBA{
+			R: data[21+0],
+			G: data[21+1],
+			B: data[21+2],
+			A: data[21+3],
+		},
+		color2: color.NRGBA{
+			R: data[25+0],
+			G: data[25+1],
+			B: data[25+2],
+			A: data[25+3],
+		},
+		offset1: math.Float32frombits(bo.Uint32(data[29:])),
+	}
+}
+
 type clipType uint8
 
 type resource interface {
@@ -308,11 +357,12 @@ type texture struct {
 type blitter struct {
 	ctx                    driver.Device
 	viewport               image.Point
-	prog                   [3]*program
+	prog                   [materialCount]*program
 	layout                 driver.InputLayout
 	colUniforms            *blitColUniforms
 	texUniforms            *blitTexUniforms
 	linearGradientUniforms *blitLinearGradientUniforms
+	radialGradientUniforms *blitRadialGradientUniforms
 	quadVerts              driver.Buffer
 }
 
@@ -343,6 +393,17 @@ type blitLinearGradientUniforms struct {
 	}
 }
 
+type blitRadialGradientUniforms struct {
+	vert struct {
+		blitUniforms
+		_ [12]byte // Padding to a multiple of 16.
+	}
+	frag struct {
+		radialGradientUniforms
+		_ [12]byte // Padding to multiple of 16.
+	}
+}
+
 type uniformBuffer struct {
 	buf driver.Buffer
 	ptr []byte
@@ -370,6 +431,12 @@ type gradientUniforms struct {
 	color2 f32color.RGBA
 }
 
+type radialGradientUniforms struct {
+	color1  f32color.RGBA
+	color2  f32color.RGBA
+	offset1 float32
+}
+
 type materialType uint8
 
 const (
@@ -381,7 +448,9 @@ const (
 const (
 	materialColor materialType = iota
 	materialLinearGradient
+	materialRadialGradient
 	materialTexture
+	materialCount
 )
 
 func New(api API) (GPU, error) {
@@ -569,6 +638,7 @@ func newBlitter(ctx driver.Device) *blitter {
 	if err != nil {
 		panic(err)
 	}
+
 	b := &blitter{
 		ctx:       ctx,
 		quadVerts: quadVerts,
@@ -576,13 +646,26 @@ func newBlitter(ctx driver.Device) *blitter {
 	b.colUniforms = new(blitColUniforms)
 	b.texUniforms = new(blitTexUniforms)
 	b.linearGradientUniforms = new(blitLinearGradientUniforms)
+	b.radialGradientUniforms = new(blitRadialGradientUniforms)
+
 	prog, layout, err := createColorPrograms(ctx, shader_blit_vert, shader_blit_frag,
-		[3]interface{}{&b.colUniforms.vert, &b.linearGradientUniforms.vert, &b.texUniforms.vert},
-		[3]interface{}{&b.colUniforms.frag, &b.linearGradientUniforms.frag, nil},
+		[...]interface{}{
+			materialColor:          &b.colUniforms.vert,
+			materialLinearGradient: &b.linearGradientUniforms.vert,
+			materialRadialGradient: &b.radialGradientUniforms.vert,
+			materialTexture:        &b.texUniforms.vert,
+		},
+		[...]interface{}{
+			materialColor:          &b.colUniforms.frag,
+			materialLinearGradient: &b.linearGradientUniforms.frag,
+			materialRadialGradient: &b.radialGradientUniforms.frag,
+			materialTexture:        nil,
+		},
 	)
 	if err != nil {
 		panic(err)
 	}
+
 	b.prog = prog
 	b.layout = layout
 	return b
@@ -596,67 +679,40 @@ func (b *blitter) release() {
 	b.layout.Release()
 }
 
-func createColorPrograms(b driver.Device, vsSrc driver.ShaderSources, fsSrc [3]driver.ShaderSources, vertUniforms, fragUniforms [3]interface{}) ([3]*program, driver.InputLayout, error) {
-	var progs [3]*program
-	{
-		prog, err := b.NewProgram(vsSrc, fsSrc[materialTexture])
-		if err != nil {
-			return progs, nil, err
-		}
-		var vertBuffer, fragBuffer *uniformBuffer
-		if u := vertUniforms[materialTexture]; u != nil {
-			vertBuffer = newUniformBuffer(b, u)
-			prog.SetVertexUniforms(vertBuffer.buf)
-		}
-		if u := fragUniforms[materialTexture]; u != nil {
-			fragBuffer = newUniformBuffer(b, u)
-			prog.SetFragmentUniforms(fragBuffer.buf)
+func createColorPrograms(b driver.Device, vsSrc driver.ShaderSources, fsSrc [materialCount]driver.ShaderSources, vertUniforms, fragUniforms [materialCount]interface{}) (_ [materialCount]*program, _ driver.InputLayout, err error) {
+	var progs [materialCount]*program
+
+	release := func() {
+		for _, p := range progs {
+			if p != nil {
+				p.Release()
+			}
 		}
-		progs[materialTexture] = newProgram(prog, vertBuffer, fragBuffer)
 	}
-	{
-		var vertBuffer, fragBuffer *uniformBuffer
-		prog, err := b.NewProgram(vsSrc, fsSrc[materialColor])
+
+	for variant := range progs {
+		prog, err := b.NewProgram(vsSrc, fsSrc[variant])
 		if err != nil {
-			progs[materialTexture].Release()
+			release()
 			return progs, nil, err
 		}
-		if u := vertUniforms[materialColor]; u != nil {
-			vertBuffer = newUniformBuffer(b, u)
-			prog.SetVertexUniforms(vertBuffer.buf)
-		}
-		if u := fragUniforms[materialColor]; u != nil {
-			fragBuffer = newUniformBuffer(b, u)
-			prog.SetFragmentUniforms(fragBuffer.buf)
-		}
-		progs[materialColor] = newProgram(prog, vertBuffer, fragBuffer)
-	}
-	{
 		var vertBuffer, fragBuffer *uniformBuffer
-		prog, err := b.NewProgram(vsSrc, fsSrc[materialLinearGradient])
-		if err != nil {
-			progs[materialTexture].Release()
-			progs[materialColor].Release()
-			return progs, nil, err
-		}
-		if u := vertUniforms[materialLinearGradient]; u != nil {
+		if u := vertUniforms[variant]; u != nil {
 			vertBuffer = newUniformBuffer(b, u)
 			prog.SetVertexUniforms(vertBuffer.buf)
 		}
-		if u := fragUniforms[materialLinearGradient]; u != nil {
+		if u := fragUniforms[variant]; u != nil {
 			fragBuffer = newUniformBuffer(b, u)
 			prog.SetFragmentUniforms(fragBuffer.buf)
 		}
-		progs[materialLinearGradient] = newProgram(prog, vertBuffer, fragBuffer)
+		progs[variant] = newProgram(prog, vertBuffer, fragBuffer)
 	}
+
 	layout, err := b.NewInputLayout(vsSrc, []driver.InputDesc{
 		{Type: driver.DataTypeFloat, Size: 2, Offset: 0},
 		{Type: driver.DataTypeFloat, Size: 2, Offset: 4 * 2},
 	})
 	if err != nil {
-		progs[materialTexture].Release()
-		progs[materialColor].Release()
-		progs[materialLinearGradient].Release()
 		return progs, nil, err
 	}
 	return progs, layout, nil
@@ -975,6 +1031,15 @@ loop:
 			state.stop2 = op.stop2
 			state.color1 = op.color1
 			state.color2 = op.color2
+		case opconst.TypeRadialGradient:
+			state.matType = materialRadialGradient
+			op := decodeRadialGradientOp(encOp.Data)
+			state.stop1 = op.stop1
+			state.stop2 = op.stop2
+			state.offset1 = op.offset1
+			state.radiusy = op.radiusy
+			state.color1 = op.color1
+			state.color2 = op.color2
 		case opconst.TypeImage:
 			state.matType = materialTexture
 			state.image = decodeImageOp(encOp.Data, encOp.Refs)
@@ -1086,7 +1151,16 @@ func (d *drawState) materialFor(rect f32.Rectangle, off f32.Point, partTrans f32
 		m.color2 = f32color.LinearFromSRGB(d.color2)
 		m.opaque = m.color1.A == 1.0 && m.color2.A == 1.0
 
-		m.uvTrans = partTrans.Mul(gradientSpaceTransform(clip, off, d.stop1, d.stop2))
+		m.uvTrans = partTrans.Mul(gradientSpaceTransform(clip, off, d.stop1, d.stop2, -1))
+	case materialRadialGradient:
+		m.material = materialRadialGradient
+
+		m.color1 = f32color.LinearFromSRGB(d.color1)
+		m.color2 = f32color.LinearFromSRGB(d.color2)
+		m.offset1 = d.offset1
+		m.opaque = m.color1.A == 1.0 && m.color2.A == 1.0
+
+		m.uvTrans = partTrans.Mul(gradientSpaceTransform(clip, off, d.stop1, d.stop2, d.radiusy))
 	case materialTexture:
 		m.material = materialTexture
 		dr := boundRectF(rect.Add(off))
@@ -1127,7 +1201,7 @@ func (r *renderer) drawZOps(cache *resourceCache, ops []imageOp) {
 		}
 		drc := img.clip
 		scale, off := clipSpaceTransform(drc, r.blitter.viewport)
-		r.blitter.blit(img.z, m.material, m.color, m.color1, m.color2, scale, off, m.uvTrans)
+		r.blitter.blit(img.z, m.material, m.color, m.color1, m.color2, m.offset1, scale, off, m.uvTrans)
 	}
 	r.ctx.SetDepthTest(false)
 }
@@ -1151,7 +1225,7 @@ func (r *renderer) drawOps(cache *resourceCache, ops []imageOp) {
 		var fbo stencilFBO
 		switch img.clipType {
 		case clipTypeNone:
-			r.blitter.blit(img.z, m.material, m.color, m.color1, m.color2, scale, off, m.uvTrans)
+			r.blitter.blit(img.z, m.material, m.color, m.color1, m.color2, m.offset1, scale, off, m.uvTrans)
 			continue
 		case clipTypePath:
 			fbo = r.pather.stenciler.cover(img.place.Idx)
@@ -1167,13 +1241,13 @@ func (r *renderer) drawOps(cache *resourceCache, ops []imageOp) {
 			Max: img.place.Pos.Add(drc.Size()),
 		}
 		coverScale, coverOff := texSpaceTransform(layout.FRect(uv), fbo.size)
-		r.pather.cover(img.z, m.material, m.color, m.color1, m.color2, scale, off, m.uvTrans, coverScale, coverOff)
+		r.pather.cover(img.z, m.material, m.color, m.color1, m.color2, m.offset1, scale, off, m.uvTrans, coverScale, coverOff)
 	}
 	r.ctx.DepthMask(true)
 	r.ctx.SetDepthTest(false)
 }
 
-func (b *blitter) blit(z float32, mat materialType, col f32color.RGBA, col1, col2 f32color.RGBA, scale, off f32.Point, uvTrans f32.Affine2D) {
+func (b *blitter) blit(z float32, mat materialType, col f32color.RGBA, col1, col2 f32color.RGBA, col1off float32, scale, off f32.Point, uvTrans f32.Affine2D) {
 	p := b.prog[mat]
 	b.ctx.BindProgram(p.prog)
 	var uniforms *blitUniforms
@@ -1181,11 +1255,13 @@ func (b *blitter) blit(z float32, mat materialType, col f32color.RGBA, col1, col
 	case materialColor:
 		b.colUniforms.frag.color = col
 		uniforms = &b.colUniforms.vert.blitUniforms
+
 	case materialTexture:
 		t1, t2, t3, t4, t5, t6 := uvTrans.Elems()
 		b.texUniforms.vert.blitUniforms.uvTransformR1 = [4]float32{t1, t2, t3, 0}
 		b.texUniforms.vert.blitUniforms.uvTransformR2 = [4]float32{t4, t5, t6, 0}
 		uniforms = &b.texUniforms.vert.blitUniforms
+
 	case materialLinearGradient:
 		b.linearGradientUniforms.frag.color1 = col1
 		b.linearGradientUniforms.frag.color2 = col2
@@ -1194,6 +1270,16 @@ func (b *blitter) blit(z float32, mat materialType, col f32color.RGBA, col1, col
 		b.linearGradientUniforms.vert.blitUniforms.uvTransformR1 = [4]float32{t1, t2, t3, 0}
 		b.linearGradientUniforms.vert.blitUniforms.uvTransformR2 = [4]float32{t4, t5, t6, 0}
 		uniforms = &b.linearGradientUniforms.vert.blitUniforms
+
+	case materialRadialGradient:
+		b.radialGradientUniforms.frag.color1 = col1
+		b.radialGradientUniforms.frag.color2 = col2
+		b.radialGradientUniforms.frag.offset1 = col1off
+
+		t1, t2, t3, t4, t5, t6 := uvTrans.Elems()
+		b.radialGradientUniforms.vert.blitUniforms.uvTransformR1 = [4]float32{t1, t2, t3, 0}
+		b.radialGradientUniforms.vert.blitUniforms.uvTransformR2 = [4]float32{t4, t5, t6, 0}
+		uniforms = &b.radialGradientUniforms.vert.blitUniforms
 	}
 	uniforms.z = z
 	uniforms.transform = [4]float32{scale.X, scale.Y, off.X, off.Y}
@@ -1267,11 +1353,20 @@ func texSpaceTransform(r f32.Rectangle, bounds image.Point) (f32.Point, f32.Poin
 }
 
 // gradientSpaceTransform transforms stop1 and stop2 to [(0,0), (1,1)].
-func gradientSpaceTransform(clip image.Rectangle, off f32.Point, stop1, stop2 f32.Point) f32.Affine2D {
+func gradientSpaceTransform(clip image.Rectangle, off f32.Point, stop1, stop2 f32.Point, radiusy float32) f32.Affine2D {
 	d := stop2.Sub(stop1)
 	l := float32(math.Sqrt(float64(d.X*d.X + d.Y*d.Y)))
 	a := float32(math.Atan2(float64(-d.Y), float64(d.X)))
 
+	scalex := 1 / l
+
+	var scaley float32
+	if radiusy == -1 {
+		scaley = scalex
+	} else if radiusy != 0 {
+		scaley = 1 / radiusy
+	}
+
 	// TODO: optimize
 	zp := f32.Point{}
 	return f32.Affine2D{}.
@@ -1279,7 +1374,7 @@ func gradientSpaceTransform(clip image.Rectangle, off f32.Point, stop1, stop2 f3
 		Offset(zp.Sub(off).Add(layout.FPt(clip.Min))). // offset to clip space
 		Offset(zp.Sub(stop1)).                         // offset to first stop point
 		Rotate(zp, a).                                 // rotate to align gradient
-		Scale(zp, f32.Pt(1/l, 1/l))                    // scale gradient to right size
+		Scale(zp, f32.Pt(scalex, scaley))              // scale gradient to right size
 }
 
 // clipSpaceTransform returns the scale and offset that transforms the given
diff --git a/gpu/internal/convertshaders/main.go b/gpu/internal/convertshaders/main.go
index 92b98790e..fb2472271 100644
--- a/gpu/internal/convertshaders/main.go
+++ b/gpu/internal/convertshaders/main.go
@@ -268,6 +268,10 @@ func (conv *Converter) Shader(shaderPath string) ([]driver.ShaderSources, error)
 			FetchColorExpr: `mix(_color1, _color2, clamp(vUV.x, 0.0, 1.0))`,
 			Header:         `layout(binding=0) uniform Gradient { vec4 _color1; vec4 _color2; };`,
 		},
+		{
+			FetchColorExpr: `mix(_color1, _color2, clamp((length(vUV) - _offset1) / (1.0 - _offset1), 0.0, 1.0))`,
+			Header:         `layout(binding=0) uniform Gradient { vec4 _color1; vec4 _color2; float _offset1; };`,
+		},
 		{
 			FetchColorExpr: `texture(tex, vUV)`,
 			Header:         `layout(binding=0) uniform sampler2D tex;`,
diff --git a/gpu/internal/rendertest/refs/TestEllipseGradient.png b/gpu/internal/rendertest/refs/TestEllipseGradient.png
new file mode 100644
index 000000000..75283649b
Binary files /dev/null and b/gpu/internal/rendertest/refs/TestEllipseGradient.png differ
diff --git a/gpu/internal/rendertest/refs/TestEllipseGradientAngled.png b/gpu/internal/rendertest/refs/TestEllipseGradientAngled.png
new file mode 100644
index 000000000..3e9378bd6
Binary files /dev/null and b/gpu/internal/rendertest/refs/TestEllipseGradientAngled.png differ
diff --git a/gpu/internal/rendertest/refs/TestRadialGradient.png b/gpu/internal/rendertest/refs/TestRadialGradient.png
new file mode 100644
index 000000000..8a2ff95bc
Binary files /dev/null and b/gpu/internal/rendertest/refs/TestRadialGradient.png differ
diff --git a/gpu/internal/rendertest/refs/TestRadialGradientOffset.png b/gpu/internal/rendertest/refs/TestRadialGradientOffset.png
new file mode 100644
index 000000000..f9a37d326
Binary files /dev/null and b/gpu/internal/rendertest/refs/TestRadialGradientOffset.png differ
diff --git a/gpu/internal/rendertest/render_test.go b/gpu/internal/rendertest/render_test.go
index 3e027eb30..8124fccea 100644
--- a/gpu/internal/rendertest/render_test.go
+++ b/gpu/internal/rendertest/render_test.go
@@ -340,6 +340,57 @@ func TestLinearGradientAngled(t *testing.T) {
 	}, func(r result) {})
 }
 
+func TestRadialGradient(t *testing.T) {
+	run(t, func(ops *op.Ops) {
+		paint.RadialGradientOp{
+			Stop1:  f32.Pt(64, 64),
+			Color1: red,
+			Stop2:  f32.Pt(64, 0),
+			Color2: black,
+		}.Add(ops)
+		paint.PaintOp{}.Add(ops)
+	}, func(r result) {})
+}
+
+func TestRadialGradientOffset(t *testing.T) {
+	run(t, func(ops *op.Ops) {
+		paint.RadialGradientOp{
+			Stop1:   f32.Pt(64, 64),
+			Color1:  blue,
+			Stop2:   f32.Pt(64, 0),
+			Color2:  black,
+			Offset1: 0.5,
+		}.Add(ops)
+		paint.PaintOp{}.Add(ops)
+	}, func(r result) {})
+}
+
+func TestEllipseGradient(t *testing.T) {
+	run(t, func(ops *op.Ops) {
+		paint.RadialGradientOp{
+			Stop1:   f32.Pt(64, 64),
+			Color1:  red,
+			Stop2:   f32.Pt(64, 0),
+			Color2:  black,
+			RadiusY: 32,
+		}.Add(ops)
+		paint.PaintOp{}.Add(ops)
+	}, func(r result) {})
+}
+
+func TestEllipseGradientAngled(t *testing.T) {
+	run(t, func(ops *op.Ops) {
+		paint.RadialGradientOp{
+			Stop1:   f32.Pt(64, 64),
+			Color1:  red,
+			Stop2:   f32.Pt(32, 96),
+			Color2:  black,
+			RadiusY: 32,
+		}.Add(ops)
+		paint.PaintOp{}.Add(ops)
+	}, func(r result) {})
+}
+
 // lerp calculates linear interpolation with color b and p.
 func lerp(a, b f32color.RGBA, p float32) f32color.RGBA {
 	return f32color.RGBA{
diff --git a/gpu/path.go b/gpu/path.go
index b7ec3ba2c..b14cc38fd 100644
--- a/gpu/path.go
+++ b/gpu/path.go
@@ -28,10 +28,11 @@ type pather struct {
 
 type coverer struct {
 	ctx                    driver.Device
-	prog                   [3]*program
+	prog                   [materialCount]*program
 	texUniforms            *coverTexUniforms
 	colUniforms            *coverColUniforms
 	linearGradientUniforms *coverLinearGradientUniforms
+	radialGradientUniforms *coverRadialGradientUniforms
 	layout                 driver.InputLayout
 }
 
@@ -62,6 +63,17 @@ type coverLinearGradientUniforms struct {
 	}
 }
 
+type coverRadialGradientUniforms struct {
+	vert struct {
+		coverUniforms
+		_ [12]byte // Padding to multiple of 16.
+	}
+	frag struct {
+		radialGradientUniforms
+		_ [12]byte // Padding to multiple of 16.
+	}
+}
+
 type coverUniforms struct {
 	transform        [4]float32
 	uvCoverTransform [4]float32
@@ -158,16 +170,30 @@ func newCoverer(ctx driver.Device) *coverer {
 	c := &coverer{
 		ctx: ctx,
 	}
+
 	c.colUniforms = new(coverColUniforms)
 	c.texUniforms = new(coverTexUniforms)
 	c.linearGradientUniforms = new(coverLinearGradientUniforms)
+	c.radialGradientUniforms = new(coverRadialGradientUniforms)
+
 	prog, layout, err := createColorPrograms(ctx, shader_cover_vert, shader_cover_frag,
-		[3]interface{}{&c.colUniforms.vert, &c.linearGradientUniforms.vert, &c.texUniforms.vert},
-		[3]interface{}{&c.colUniforms.frag, &c.linearGradientUniforms.frag, nil},
+		[materialCount]interface{}{
+			materialColor:          &c.colUniforms.vert,
+			materialLinearGradient: &c.linearGradientUniforms.vert,
+			materialRadialGradient: &c.radialGradientUniforms.vert,
+			materialTexture:        &c.texUniforms.vert,
+		},
+		[materialCount]interface{}{
+			materialColor:          &c.colUniforms.frag,
+			materialLinearGradient: &c.linearGradientUniforms.frag,
+			materialRadialGradient: &c.radialGradientUniforms.frag,
+			materialTexture:        nil,
+		},
 	)
 	if err != nil {
 		panic(err)
 	}
+
 	c.prog = prog
 	c.layout = layout
 	return c
@@ -374,11 +400,11 @@ func (s *stenciler) stencilPath(bounds image.Rectangle, offset f32.Point, uv ima
 	}
 }
 
-func (p *pather) cover(z float32, mat materialType, col f32color.RGBA, col1, col2 f32color.RGBA, scale, off f32.Point, uvTrans f32.Affine2D, coverScale, coverOff f32.Point) {
-	p.coverer.cover(z, mat, col, col1, col2, scale, off, uvTrans, coverScale, coverOff)
+func (p *pather) cover(z float32, mat materialType, col f32color.RGBA, col1, col2 f32color.RGBA, col1off float32, scale, off f32.Point, uvTrans f32.Affine2D, coverScale, coverOff f32.Point) {
+	p.coverer.cover(z, mat, col, col1, col2, col1off, scale, off, uvTrans, coverScale, coverOff)
 }
 
-func (c *coverer) cover(z float32, mat materialType, col f32color.RGBA, col1, col2 f32color.RGBA, scale, off f32.Point, uvTrans f32.Affine2D, coverScale, coverOff f32.Point) {
+func (c *coverer) cover(z float32, mat materialType, col f32color.RGBA, col1, col2 f32color.RGBA, col1off float32, scale, off f32.Point, uvTrans f32.Affine2D, coverScale, coverOff f32.Point) {
 	p := c.prog[mat]
 	c.ctx.BindProgram(p.prog)
 	var uniforms *coverUniforms
@@ -386,6 +412,7 @@ func (c *coverer) cover(z float32, mat materialType, col f32color.RGBA, col1, co
 	case materialColor:
 		c.colUniforms.frag.color = col
 		uniforms = &c.colUniforms.vert.coverUniforms
+
 	case materialLinearGradient:
 		c.linearGradientUniforms.frag.color1 = col1
 		c.linearGradientUniforms.frag.color2 = col2
@@ -394,6 +421,17 @@ func (c *coverer) cover(z float32, mat materialType, col f32color.RGBA, col1, co
 		c.linearGradientUniforms.vert.uvTransformR1 = [4]float32{t1, t2, t3, 0}
 		c.linearGradientUniforms.vert.uvTransformR2 = [4]float32{t4, t5, t6, 0}
 		uniforms = &c.linearGradientUniforms.vert.coverUniforms
+
+	case materialRadialGradient:
+		c.radialGradientUniforms.frag.color1 = col1
+		c.radialGradientUniforms.frag.color2 = col2
+		c.radialGradientUniforms.frag.offset1 = col1off
+
+		t1, t2, t3, t4, t5, t6 := uvTrans.Elems()
+		c.radialGradientUniforms.vert.uvTransformR1 = [4]float32{t1, t2, t3, 0}
+		c.radialGradientUniforms.vert.uvTransformR2 = [4]float32{t4, t5, t6, 0}
+		uniforms = &c.radialGradientUniforms.vert.coverUniforms
+
 	case materialTexture:
 		t1, t2, t3, t4, t5, t6 := uvTrans.Elems()
 		c.texUniforms.vert.uvTransformR1 = [4]float32{t1, t2, t3, 0}
diff --git a/gpu/shaders.go b/gpu/shaders.go
index 4ef02174b..8cf6e570f 100644
--- a/gpu/shaders.go
+++ b/gpu/shaders.go
@@ -40,6 +40,19 @@ var (
 			GLSL150:   "#version 150\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n};\n\nuniform Gradient _12;\n\nout vec4 fragColor;\nin vec2 vUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp(vUV.x, 0.0, 1.0)));\n}\n\n",
 			HLSL:      []byte{0x44, 0x58, 0x42, 0x43, 0xc0, 0x43, 0x72, 0x3d, 0x68, 0xc9, 0x38, 0x57, 0x9f, 0xa3, 0x60, 0xa8, 0xae, 0xd2, 0xa2, 0xf0, 0x1, 0x0, 0x0, 0x0, 0x40, 0x3, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0xcc, 0x0, 0x0, 0x0, 0x74, 0x1, 0x0, 0x0, 0xf0, 0x1, 0x0, 0x0, 0xd8, 0x2, 0x0, 0x0, 0xc, 0x3, 0x0, 0x0, 0x41, 0x6f, 0x6e, 0x39, 0x8c, 0x0, 0x0, 0x0, 0x8c, 0x0, 0x0, 0x0, 0x0, 0x2, 0xff, 0xff, 0x5c, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x1, 0x0, 0x24, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xff, 0xff, 0x1f, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x3, 0xb0, 0x1, 0x0, 0x0, 0x2, 0x0, 0x0, 0x18, 0x80, 0x0, 0x0, 0x0, 0xb0, 0x1, 0x0, 0x0, 0x2, 0x1, 0x0, 0xf, 0x80, 0x0, 0x0, 0xe4, 0xa0, 0x2, 0x0, 0x0, 0x3, 0x1, 0x0, 0xf, 0x80, 0x1, 0x0, 0xe4, 0x81, 0x1, 0x0, 0xe4, 0xa0, 0x4, 0x0, 0x0, 0x4, 0x0, 0x0, 0xf, 0x80, 0x0, 0x0, 0xff, 0x80, 0x1, 0x0, 0xe4, 0x80, 0x0, 0x0, 0xe4, 0xa0, 0x1, 0x0, 0x0, 0x2, 0x0, 0x8, 0xf, 0x80, 0x0, 0x0, 0xe4, 0x80, 0xff, 0xff, 0x0, 0x0, 0x53, 0x48, 0x44, 0x52, 0xa0, 0x0, 0x0, 0x0, 0x40, 0x0, 0x0, 0x0, 0x28, 0x0, 0x0, 0x0, 0x59, 0x0, 0x0, 0x4, 0x46, 0x8e, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x62, 0x10, 0x0, 0x3, 0x12, 0x10, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x65, 0x0, 0x0, 0x3, 0xf2, 0x20, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x68, 0x0, 0x0, 0x2, 0x2, 0x0, 0x0, 0x0, 0x36, 0x20, 0x0, 0x5, 0x12, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0x10, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xa, 0xf2, 0x0, 0x10, 0x0, 0x1, 0x0, 0x0, 0x0, 0x46, 0x8e, 0x20, 0x80, 0x41, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x46, 0x8e, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x32, 0x0, 0x0, 0xa, 0xf2, 0x20, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x6, 0x0, 0x10, 0x0, 0x0, 0x0, 0x0, 0x0, 0x46, 0xe, 0x10, 0x0, 0x1, 0x0, 0x0, 0x0, 0x46, 0x8e, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3e, 0x0, 0x0, 0x1, 0x53, 0x54, 0x41, 0x54, 0x74, 0x0, 0x0, 0x0, 0x4, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x52, 0x44, 0x45, 0x46, 0xe0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x48, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1c, 0x0, 0x0, 0x0, 0x0, 0x4, 0xff, 0xff, 0x0, 0x1, 0x0, 0x0, 0xb7, 0x0, 0x0, 0x0, 0x3c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x47, 0x72, 0x61, 0x64, 0x69, 0x65, 0x6e, 0x74, 0x0, 0xab, 0xab, 0xab, 0x3c, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x60, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x90, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x9c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xac, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x10, 0x0, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x9c, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5f, 0x31, 0x32, 0x5f, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x31, 0x0, 0xab, 0x1, 0x0, 0x3, 0x0, 0x1, 0x0, 0x4, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x5f, 0x31, 0x32, 0x5f, 0x63, 0x6f, 0x6c, 0x6f, 0x72, 0x32, 0x0, 0x4d, 0x69, 0x63, 0x72, 0x6f, 0x73, 0x6f, 0x66, 0x74, 0x20, 0x28, 0x52, 0x29, 0x20, 0x48, 0x4c, 0x53, 0x4c, 0x20, 0x53, 0x68, 0x61, 0x64, 0x65, 0x72, 0x20, 0x43, 0x6f, 0x6d, 0x70, 0x69, 0x6c, 0x65, 0x72, 0x20, 0x31, 0x30, 0x2e, 0x31, 0x0, 0xab, 0x49, 0x53, 0x47, 0x4e, 0x2c, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x1, 0x0, 0x0, 0x54, 0x45, 0x58, 0x43, 0x4f, 0x4f, 0x52, 0x44, 0x0, 0xab, 0xab, 0xab, 0x4f, 0x53, 0x47, 0x4e, 0x2c, 0x0, 0x0, 0x0, 0x1, 0x0, 0x0, 0x0, 0x8, 0x0, 0x0, 0x0, 0x20, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0xf, 0x0, 0x0, 0x0, 0x53, 0x56, 0x5f, 0x54, 0x61, 0x72, 0x67, 0x65, 0x74, 0x0, 0xab, 0xab},
 		},
+		{
+			Name: "blit.frag",
+			Uniforms: driver.UniformsReflection{
+				Blocks:    []driver.UniformBlock{{Name: "Gradient", Binding: 0}},
+				Locations: []driver.UniformLocation{{Name: "_12._color1", Type: 0x0, Size: 4, Offset: 0}, {Name: "_12._color2", Type: 0x0, Size: 4, Offset: 16}, {Name: "_12._offset1", Type: 0x0, Size: 1, Offset: 32}},
+				Size:      36,
+			},
+			GLSL100ES: "precision mediump float;\nprecision highp int;\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n};\n\nuniform Gradient _12;\n\nvarying vec2 vUV;\n\nvoid main()\n{\n    gl_FragData[0] = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n}\n\n",
+			GLSL300ES: "#version 300 es\nprecision mediump float;\nprecision highp int;\n\nlayout(std140) uniform Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n} _12;\n\nlayout(location = 0) out vec4 fragColor;\nin vec2 vUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n}\n\n",
+			GLSL130:   "#version 130\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n};\n\nuniform Gradient _12;\n\nout vec4 fragColor;\nin vec2 vUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n}\n\n",
+			GLSL150:   "#version 150\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n};\n\nuniform Gradient _12;\n\nout vec4 fragColor;\nin vec2 vUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n}\n\n",
+			HLSL:      []byte{0x44, 0x58, 0x42, 0x43, 0x9c, 0x61, 0x7c, 0xaa, 0x5d, 0x88, 0xba, 0x34, 0x7f, 0x82, 0x36, 0x27, 0x76, 0xc7, 0xe8, 0xf2, 0x1, 0x0, 0x0, 0x0, 0x64, 0x4, 0x0, 0x0, 0x6, 0x0, 0x0, 0x0, 0x38, 0x0, 0x0, 0x0, 0x3c, 0x1, 0x0, 0x0, 0x64, 0x2, 0x0, 0x0, 0xe0, 0x2, 0x0, 0x0, 0xfc, 0x3, 0x0, 0x0, 0x30, 0x4, 0x0, 0x0, 0x41, 0x6f, 0x6e, 0x39, 0xfc, 0x0, 0x0, 0x0, 0xfc, 0x0, 0x0, 0x0, 0x0, 0x2, 0xff, 0xff, 0xcc, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x1, 0x0, 0x24, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x24, 0x0, 0x0, 0x0, 0x30, 0x0, 0x0, 0x0, 0x0, 0x0, 0x3, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x2, 0xff, 0xff, 0x51, 0x0, 0x0, 0x5, 0x3, 0x0, 0xf, 0xa0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x80, 0x3f, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x0, 0x1f, 0x0, 0x0, 0x2, 0x0, 0x0, 0x0, 0x80, 0x0, 0x0, 0x3, 0xb0, 0x5a, 0x0, 0x0, 0x4, 0x0, 0x0, 0x8, 0x80, 0x0, 0x0, 0xe4, 0xb0, 0x0, 0x0, 0xe4, 0xb0, 0x3, 0x0, 0x0, 0xa0, 0x7, 0x0, 0x0, 0x2, 0x0, 0x0, 0x1, 0x80, 0x0, 0x0, 0xff, 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+		},
 		{
 			Name:      "blit.frag",
 			Textures:  []driver.TextureBinding{{Name: "tex", Binding: 0}},
@@ -113,6 +126,20 @@ var (
 			GLSL150:   "#version 150\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n};\n\nuniform Gradient _12;\n\nuniform sampler2D cover;\n\nout vec4 fragColor;\nin vec2 vUV;\nin vec2 vCoverUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp(vUV.x, 0.0, 1.0)));\n    float cover_1 = min(abs(texture(cover, vCoverUV).x), 1.0);\n    fragColor *= cover_1;\n}\n\n",
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 		},
+		{
+			Name: "cover.frag",
+			Uniforms: driver.UniformsReflection{
+				Blocks:    []driver.UniformBlock{{Name: "Gradient", Binding: 0}},
+				Locations: []driver.UniformLocation{{Name: "_12._color1", Type: 0x0, Size: 4, Offset: 0}, {Name: "_12._color2", Type: 0x0, Size: 4, Offset: 16}, {Name: "_12._offset1", Type: 0x0, Size: 1, Offset: 32}},
+				Size:      36,
+			},
+			Textures:  []driver.TextureBinding{{Name: "cover", Binding: 1}},
+			GLSL100ES: "precision mediump float;\nprecision highp int;\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n};\n\nuniform Gradient _12;\n\nuniform mediump sampler2D cover;\n\nvarying vec2 vUV;\nvarying highp vec2 vCoverUV;\n\nvoid main()\n{\n    gl_FragData[0] = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n    float cover_1 = min(abs(texture2D(cover, vCoverUV).x), 1.0);\n    gl_FragData[0] *= cover_1;\n}\n\n",
+			GLSL300ES: "#version 300 es\nprecision mediump float;\nprecision highp int;\n\nlayout(std140) uniform Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n} _12;\n\nuniform mediump sampler2D cover;\n\nlayout(location = 0) out vec4 fragColor;\nin vec2 vUV;\nin highp vec2 vCoverUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n    float cover_1 = min(abs(texture(cover, vCoverUV).x), 1.0);\n    fragColor *= cover_1;\n}\n\n",
+			GLSL130:   "#version 130\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n};\n\nuniform Gradient _12;\n\nuniform sampler2D cover;\n\nout vec4 fragColor;\nin vec2 vUV;\nin vec2 vCoverUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n    float cover_1 = min(abs(texture(cover, vCoverUV).x), 1.0);\n    fragColor *= cover_1;\n}\n\n",
+			GLSL150:   "#version 150\n\nstruct Gradient\n{\n    vec4 _color1;\n    vec4 _color2;\n    float _offset1;\n};\n\nuniform Gradient _12;\n\nuniform sampler2D cover;\n\nout vec4 fragColor;\nin vec2 vUV;\nin vec2 vCoverUV;\n\nvoid main()\n{\n    fragColor = mix(_12._color1, _12._color2, vec4(clamp((length(vUV) - _12._offset1) / (1.0 - _12._offset1), 0.0, 1.0)));\n    float cover_1 = min(abs(texture(cover, vCoverUV).x), 1.0);\n    fragColor *= cover_1;\n}\n\n",
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+		},
 		{
 			Name:      "cover.frag",
 			Textures:  []driver.TextureBinding{{Name: "tex", Binding: 0}, {Name: "cover", Binding: 1}},
diff --git a/internal/opconst/ops.go b/internal/opconst/ops.go
index 8e9a1a35c..23bd4766b 100644
--- a/internal/opconst/ops.go
+++ b/internal/opconst/ops.go
@@ -17,6 +17,7 @@ const (
 	TypePaint
 	TypeColor
 	TypeLinearGradient
+	TypeRadialGradient
 	TypeArea
 	TypePointerInput
 	TypePass
@@ -46,6 +47,7 @@ const (
 	TypePaintLen           = 1
 	TypeColorLen           = 1 + 4
 	TypeLinearGradientLen  = 1 + 8*2 + 4*2
+	TypeRadialGradientLen  = 1 + 8*2 + 4 + 4*2 + 4
 	TypeAreaLen            = 1 + 1 + 4*4
 	TypePointerInputLen    = 1 + 1 + 1
 	TypePassLen            = 1 + 1
@@ -90,6 +92,7 @@ func (t OpType) Size() int {
 		TypePaintLen,
 		TypeColorLen,
 		TypeLinearGradientLen,
+		TypeRadialGradientLen,
 		TypeAreaLen,
 		TypePointerInputLen,
 		TypePassLen,
diff --git a/op/paint/paint.go b/op/paint/paint.go
index e36eca3e5..abc33fb00 100644
--- a/op/paint/paint.go
+++ b/op/paint/paint.go
@@ -36,6 +36,8 @@ type ColorOp struct {
 
 // LinearGradientOp sets the brush to a gradient starting at stop1 with color1 and
 // ending at stop2 with color2.
+//
+// Note: this gradient does not work together with non-offset transforms.
 type LinearGradientOp struct {
 	Stop1  f32.Point
 	Color1 color.NRGBA
@@ -43,6 +45,23 @@ type LinearGradientOp struct {
 	Color2 color.NRGBA
 }
 
+// RadialGradientOp sets the brush to a radial gradient center starting at stop1 with color1
+// and ellipse X axis ending at stop2 with color2.
+//
+// Note: this does not work together with non-offset transforms.
+type RadialGradientOp struct {
+	Stop1  f32.Point
+	Color1 color.NRGBA
+	Stop2  f32.Point
+	Color2 color.NRGBA
+
+	// Offset1 defines ratio to offset Stop1 color.
+	Offset1 float32
+	// RadiusY defines Y axis for the ellipse.
+	// RadiusY = 0 draws a circle.
+	RadiusY float32
+}
+
 // PaintOp fills fills the current clip area with the current brush.
 type PaintOp struct {
 }
@@ -132,6 +151,37 @@ func (c LinearGradientOp) Add(o *op.Ops) {
 	data[21+3] = c.Color2.A
 }
 
+func (c RadialGradientOp) Add(o *op.Ops) {
+	data := o.Write(opconst.TypeRadialGradientLen)
+	data[0] = byte(opconst.TypeRadialGradient)
+
+	bo := binary.LittleEndian
+	bo.PutUint32(data[1:], math.Float32bits(c.Stop1.X))
+	bo.PutUint32(data[5:], math.Float32bits(c.Stop1.Y))
+	bo.PutUint32(data[9:], math.Float32bits(c.Stop2.X))
+	bo.PutUint32(data[13:], math.Float32bits(c.Stop2.Y))
+
+	radiusY := c.RadiusY
+	if radiusY < 0 {
+		radiusY = 0
+	}
+	if radiusY == 0 {
+		radiusY = -1 // using -1 to avoid duplicate length calculation
+	}
+	bo.PutUint32(data[17:], math.Float32bits(radiusY))
+
+	data[21+0] = c.Color1.R
+	data[21+1] = c.Color1.G
+	data[21+2] = c.Color1.B
+	data[21+3] = c.Color1.A
+	data[25+0] = c.Color2.R
+	data[25+1] = c.Color2.G
+	data[25+2] = c.Color2.B
+	data[25+3] = c.Color2.A
+
+	bo.PutUint32(data[29:], math.Float32bits(c.Offset1))
+}
+
 func (d PaintOp) Add(o *op.Ops) {
 	data := o.Write(opconst.TypePaintLen)
 	data[0] = byte(opconst.TypePaint)