cc/layers/nine_patch_layer_impl_unittest.cc - chromium/src - Git at Google

 // Copyright 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.

 #include <stddef.h>

 #include "base/containers/hash_tables.h"
 #include "cc/layers/append_quads_data.h"
 #include "cc/layers/nine_patch_layer_impl.h"
 #include "cc/quads/texture_draw_quad.h"
 #include "cc/resources/ui_resource_bitmap.h"
 #include "cc/resources/ui_resource_client.h"
 #include "cc/test/fake_impl_task_runner_provider.h"
 #include "cc/test/fake_output_surface.h"
 #include "cc/test/fake_ui_resource_layer_tree_host_impl.h"
 #include "cc/test/geometry_test_utils.h"
 #include "cc/test/layer_test_common.h"
 #include "cc/trees/single_thread_proxy.h"
 #include "testing/gmock/include/gmock/gmock.h"
 #include "testing/gtest/include/gtest/gtest.h"
 #include "ui/gfx/geometry/rect_conversions.h"
 #include "ui/gfx/geometry/safe_integer_conversions.h"
 #include "ui/gfx/transform.h"

 namespace cc {
 namespace {

 gfx::Rect ToRoundedIntRect(const gfx::RectF& rect_f) {
   return gfx::Rect(gfx::ToRoundedInt(rect_f.x()),
                    gfx::ToRoundedInt(rect_f.y()),
                    gfx::ToRoundedInt(rect_f.width()),
                    gfx::ToRoundedInt(rect_f.height()));
 }

 void NinePatchLayerLayoutTest(const gfx::Size& bitmap_size,
                               const gfx::Rect& aperture_rect,
                               const gfx::Size& layer_size,
                               const gfx::Rect& border,
                               bool fill_center,
                               size_t expected_quad_size) {
   scoped_ptr<RenderPass> render_pass = RenderPass::Create();
   gfx::Rect visible_layer_rect(layer_size);
   gfx::Rect expected_remaining(border.x(),
                                border.y(),
                                layer_size.width() - border.width(),
                                layer_size.height() - border.height());

   FakeImplTaskRunnerProvider task_runner_provider;
   TestSharedBitmapManager shared_bitmap_manager;
   TestTaskGraphRunner task_graph_runner;
   scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
   FakeUIResourceLayerTreeHostImpl host_impl(
       &task_runner_provider, &shared_bitmap_manager, &task_graph_runner);
   host_impl.SetVisible(true);
   host_impl.InitializeRenderer(output_surface.get());

   scoped_ptr<NinePatchLayerImpl> layer =
       NinePatchLayerImpl::Create(host_impl.active_tree(), 1);
   layer->draw_properties().visible_layer_rect = visible_layer_rect;
   layer->SetBounds(layer_size);
   layer->SetForceRenderSurface(true);
   layer->draw_properties().render_target = layer.get();

   UIResourceId uid = 1;
   bool is_opaque = false;
   UIResourceBitmap bitmap(bitmap_size, is_opaque);

   host_impl.CreateUIResource(uid, bitmap);
   layer->SetUIResourceId(uid);
   layer->SetImageBounds(bitmap_size);
   layer->SetLayout(aperture_rect, border, fill_center);
   AppendQuadsData data;
   layer->AppendQuads(render_pass.get(), &data);

   // Verify quad rects
   const QuadList& quads = render_pass->quad_list;
   EXPECT_EQ(expected_quad_size, quads.size());

   Region remaining(visible_layer_rect);
   for (auto iter = quads.cbegin(); iter != quads.cend(); ++iter) {
     gfx::Rect quad_rect = iter->rect;

     EXPECT_TRUE(visible_layer_rect.Contains(quad_rect)) << iter.index();
     EXPECT_TRUE(remaining.Contains(quad_rect)) << iter.index();
     remaining.Subtract(Region(quad_rect));
   }

   // Check if the left-over quad is the same size as the mapped aperture quad in
   // layer space.
   if (!fill_center) {
     EXPECT_EQ(expected_remaining, remaining.bounds());
   } else {
     EXPECT_TRUE(remaining.bounds().IsEmpty());
   }

   // Verify UV rects
   gfx::Rect bitmap_rect(bitmap_size);
   Region tex_remaining(bitmap_rect);
   for (const auto& quad : quads) {
     const TextureDrawQuad* tex_quad = TextureDrawQuad::MaterialCast(quad);
     gfx::RectF tex_rect =
         gfx::BoundingRect(tex_quad->uv_top_left, tex_quad->uv_bottom_right);
     tex_rect.Scale(bitmap_size.width(), bitmap_size.height());
     tex_remaining.Subtract(Region(ToRoundedIntRect(tex_rect)));
   }

   if (!fill_center) {
     EXPECT_EQ(aperture_rect, tex_remaining.bounds());
     Region aperture_region(aperture_rect);
     EXPECT_EQ(aperture_region, tex_remaining);
   } else {
     EXPECT_TRUE(remaining.bounds().IsEmpty());
   }
 }

 TEST(NinePatchLayerImplTest, VerifyDrawQuads) {
   // Input is a 100x100 bitmap with a 40x50 aperture at x=20, y=30.
   // The bounds of the layer are set to 400x400.
   gfx::Size bitmap_size(100, 100);
   gfx::Size layer_size(400, 500);
   gfx::Rect aperture_rect(20, 30, 40, 50);
   gfx::Rect border(40, 40, 80, 80);
   bool fill_center = false;
   size_t expected_quad_size = 8;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);

   // The bounds of the layer are set to less than the bitmap size.
   bitmap_size = gfx::Size(100, 100);
   layer_size = gfx::Size(40, 50);
   aperture_rect = gfx::Rect(20, 30, 40, 50);
   border = gfx::Rect(10, 10, 25, 15);
   fill_center = true;
   expected_quad_size = 9;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);

   // Layer and image sizes are equal.
   bitmap_size = gfx::Size(100, 100);
   layer_size = gfx::Size(100, 100);
   aperture_rect = gfx::Rect(20, 30, 40, 50);
   border = gfx::Rect(20, 30, 40, 50);
   fill_center = true;
   expected_quad_size = 9;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);
 }

 TEST(NinePatchLayerImplTest, VerifyDrawQuadsWithEmptyPatches) {
   // The top component of the 9-patch is empty, so there should be no quads for
   // the top three components.
   gfx::Size bitmap_size(100, 100);
   gfx::Size layer_size(100, 100);
   gfx::Rect aperture_rect(10, 0, 80, 90);
   gfx::Rect border(10, 0, 20, 10);
   bool fill_center = false;
   size_t expected_quad_size = 5;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);

   // The top and left components of the 9-patch are empty, so there should be no
   // quads for the left and top components.
   bitmap_size = gfx::Size(100, 100);
   layer_size = gfx::Size(100, 100);
   aperture_rect = gfx::Rect(0, 0, 90, 90);
   border = gfx::Rect(0, 0, 10, 10);
   fill_center = false;
   expected_quad_size = 3;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);

   // The aperture is the size of the bitmap and the center doesn't draw.
   bitmap_size = gfx::Size(100, 100);
   layer_size = gfx::Size(100, 100);
   aperture_rect = gfx::Rect(0, 0, 100, 100);
   border = gfx::Rect(0, 0, 0, 0);
   fill_center = false;
   expected_quad_size = 0;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);

   // The aperture is the size of the bitmap and the center does draw.
   bitmap_size = gfx::Size(100, 100);
   layer_size = gfx::Size(100, 100);
   aperture_rect = gfx::Rect(0, 0, 100, 100);
   border = gfx::Rect(0, 0, 0, 0);
   fill_center = true;
   expected_quad_size = 1;
   NinePatchLayerLayoutTest(bitmap_size,
                            aperture_rect,
                            layer_size,
                            border,
                            fill_center,
                            expected_quad_size);
 }

 TEST(NinePatchLayerImplTest, Occlusion) {
   gfx::Size layer_size(1000, 1000);
   gfx::Size viewport_size(1000, 1000);

   LayerTestCommon::LayerImplTest impl;

   SkBitmap sk_bitmap;
   sk_bitmap.allocN32Pixels(10, 10);
   sk_bitmap.setImmutable();
   UIResourceId uid = 5;
   UIResourceBitmap bitmap(sk_bitmap);
   impl.host_impl()->CreateUIResource(uid, bitmap);

   NinePatchLayerImpl* nine_patch_layer_impl =
       impl.AddChildToRoot<NinePatchLayerImpl>();
   nine_patch_layer_impl->SetBounds(layer_size);
   nine_patch_layer_impl->SetDrawsContent(true);
   nine_patch_layer_impl->SetUIResourceId(uid);
   nine_patch_layer_impl->SetImageBounds(gfx::Size(10, 10));

   gfx::Rect aperture = gfx::Rect(3, 3, 4, 4);
   gfx::Rect border = gfx::Rect(300, 300, 400, 400);
   nine_patch_layer_impl->SetLayout(aperture, border, true);

   impl.CalcDrawProps(viewport_size);

   {
     SCOPED_TRACE("No occlusion");
     gfx::Rect occluded;
     impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);

     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
                                                  gfx::Rect(layer_size));
     EXPECT_EQ(9u, impl.quad_list().size());
   }

   {
     SCOPED_TRACE("Full occlusion");
     gfx::Rect occluded(nine_patch_layer_impl->visible_layer_rect());
     impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);

     LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
     EXPECT_EQ(impl.quad_list().size(), 0u);
   }

   {
     SCOPED_TRACE("Partial occlusion");
     gfx::Rect occluded(0, 0, 500, 1000);
     impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);

     size_t partially_occluded_count = 0;
     LayerTestCommon::VerifyQuadsAreOccluded(
         impl.quad_list(), occluded, &partially_occluded_count);
     // The layer outputs nine quads, three of which are partially occluded, and
     // three fully occluded.
     EXPECT_EQ(6u, impl.quad_list().size());
     EXPECT_EQ(3u, partially_occluded_count);
   }
 }

 TEST(NinePatchLayerImplTest, OpaqueRect) {
   gfx::Size layer_size(1000, 1000);
   gfx::Size viewport_size(1000, 1000);

   LayerTestCommon::LayerImplTest impl;

   SkBitmap sk_bitmap_opaque;
   sk_bitmap_opaque.allocN32Pixels(10, 10);
   sk_bitmap_opaque.setImmutable();
   sk_bitmap_opaque.setAlphaType(kOpaque_SkAlphaType);

   UIResourceId uid_opaque = 6;
   UIResourceBitmap bitmap_opaque(sk_bitmap_opaque);
   impl.host_impl()->CreateUIResource(uid_opaque, bitmap_opaque);

   SkBitmap sk_bitmap_alpha;
   sk_bitmap_alpha.allocN32Pixels(10, 10);
   sk_bitmap_alpha.setImmutable();
   sk_bitmap_alpha.setAlphaType(kUnpremul_SkAlphaType);

   UIResourceId uid_alpha = 7;
   UIResourceBitmap bitmap_alpha(sk_bitmap_alpha);

   impl.host_impl()->CreateUIResource(uid_alpha, bitmap_alpha);

   NinePatchLayerImpl *nine_patch_layer_impl =
       impl.AddChildToRoot<NinePatchLayerImpl>();
   nine_patch_layer_impl->SetBounds(layer_size);
   nine_patch_layer_impl->SetDrawsContent(true);

   impl.CalcDrawProps(viewport_size);

   {
     SCOPED_TRACE("Use opaque image");

     nine_patch_layer_impl->SetUIResourceId(uid_opaque);
     nine_patch_layer_impl->SetImageBounds(gfx::Size(10, 10));

     gfx::Rect aperture = gfx::Rect(3, 3, 4, 4);
     gfx::Rect border = gfx::Rect(300, 300, 400, 400);
     nine_patch_layer_impl->SetLayout(aperture, border, true);

     impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, gfx::Rect());

     const QuadList &quad_list = impl.quad_list();
     for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
          it != quad_list.BackToFrontEnd(); ++it)
       EXPECT_FALSE(it->ShouldDrawWithBlending());
   }

   {
     SCOPED_TRACE("Use tranparent image");

     nine_patch_layer_impl->SetUIResourceId(uid_alpha);

     impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, gfx::Rect());

     const QuadList &quad_list = impl.quad_list();
     for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
          it != quad_list.BackToFrontEnd(); ++it)
       EXPECT_TRUE(it->ShouldDrawWithBlending());
   }
 }

 }  // namespace
 }  // namespace cc
	// Copyright 2012 The Chromium Authors. All rights reserved.
	// Use of this source code is governed by a BSD-style license that can be
	// found in the LICENSE file.

	#include <stddef.h>

	#include "base/containers/hash_tables.h"
	#include "cc/layers/append_quads_data.h"
	#include "cc/layers/nine_patch_layer_impl.h"
	#include "cc/quads/texture_draw_quad.h"
	#include "cc/resources/ui_resource_bitmap.h"
	#include "cc/resources/ui_resource_client.h"
	#include "cc/test/fake_impl_task_runner_provider.h"
	#include "cc/test/fake_output_surface.h"
	#include "cc/test/fake_ui_resource_layer_tree_host_impl.h"
	#include "cc/test/geometry_test_utils.h"
	#include "cc/test/layer_test_common.h"
	#include "cc/trees/single_thread_proxy.h"
	#include "testing/gmock/include/gmock/gmock.h"
	#include "testing/gtest/include/gtest/gtest.h"
	#include "ui/gfx/geometry/rect_conversions.h"
	#include "ui/gfx/geometry/safe_integer_conversions.h"
	#include "ui/gfx/transform.h"

	namespace cc {
	namespace {

	gfx::Rect ToRoundedIntRect(const gfx::RectF& rect_f) {
	return gfx::Rect(gfx::ToRoundedInt(rect_f.x()),
	gfx::ToRoundedInt(rect_f.y()),
	gfx::ToRoundedInt(rect_f.width()),
	gfx::ToRoundedInt(rect_f.height()));
	}

	void NinePatchLayerLayoutTest(const gfx::Size& bitmap_size,
	const gfx::Rect& aperture_rect,
	const gfx::Size& layer_size,
	const gfx::Rect& border,
	bool fill_center,
	size_t expected_quad_size) {
	scoped_ptr<RenderPass> render_pass = RenderPass::Create();
	gfx::Rect visible_layer_rect(layer_size);
	gfx::Rect expected_remaining(border.x(),
	border.y(),
	layer_size.width() - border.width(),
	layer_size.height() - border.height());

	FakeImplTaskRunnerProvider task_runner_provider;
	TestSharedBitmapManager shared_bitmap_manager;
	TestTaskGraphRunner task_graph_runner;
	scoped_ptr<OutputSurface> output_surface = FakeOutputSurface::Create3d();
	FakeUIResourceLayerTreeHostImpl host_impl(
	&task_runner_provider, &shared_bitmap_manager, &task_graph_runner);
	host_impl.SetVisible(true);
	host_impl.InitializeRenderer(output_surface.get());

	scoped_ptr<NinePatchLayerImpl> layer =
	NinePatchLayerImpl::Create(host_impl.active_tree(), 1);
	layer->draw_properties().visible_layer_rect = visible_layer_rect;
	layer->SetBounds(layer_size);
	layer->SetForceRenderSurface(true);
	layer->draw_properties().render_target = layer.get();

	UIResourceId uid = 1;
	bool is_opaque = false;
	UIResourceBitmap bitmap(bitmap_size, is_opaque);

	host_impl.CreateUIResource(uid, bitmap);
	layer->SetUIResourceId(uid);
	layer->SetImageBounds(bitmap_size);
	layer->SetLayout(aperture_rect, border, fill_center);
	AppendQuadsData data;
	layer->AppendQuads(render_pass.get(), &data);

	// Verify quad rects
	const QuadList& quads = render_pass->quad_list;
	EXPECT_EQ(expected_quad_size, quads.size());

	Region remaining(visible_layer_rect);
	for (auto iter = quads.cbegin(); iter != quads.cend(); ++iter) {
	gfx::Rect quad_rect = iter->rect;

	EXPECT_TRUE(visible_layer_rect.Contains(quad_rect)) << iter.index();
	EXPECT_TRUE(remaining.Contains(quad_rect)) << iter.index();
	remaining.Subtract(Region(quad_rect));
	}

	// Check if the left-over quad is the same size as the mapped aperture quad in
	// layer space.
	if (!fill_center) {
	EXPECT_EQ(expected_remaining, remaining.bounds());
	} else {
	EXPECT_TRUE(remaining.bounds().IsEmpty());
	}

	// Verify UV rects
	gfx::Rect bitmap_rect(bitmap_size);
	Region tex_remaining(bitmap_rect);
	for (const auto& quad : quads) {
	const TextureDrawQuad* tex_quad = TextureDrawQuad::MaterialCast(quad);
	gfx::RectF tex_rect =
	gfx::BoundingRect(tex_quad->uv_top_left, tex_quad->uv_bottom_right);
	tex_rect.Scale(bitmap_size.width(), bitmap_size.height());
	tex_remaining.Subtract(Region(ToRoundedIntRect(tex_rect)));
	}

	if (!fill_center) {
	EXPECT_EQ(aperture_rect, tex_remaining.bounds());
	Region aperture_region(aperture_rect);
	EXPECT_EQ(aperture_region, tex_remaining);
	} else {
	EXPECT_TRUE(remaining.bounds().IsEmpty());
	}
	}

	TEST(NinePatchLayerImplTest, VerifyDrawQuads) {
	// Input is a 100x100 bitmap with a 40x50 aperture at x=20, y=30.
	// The bounds of the layer are set to 400x400.
	gfx::Size bitmap_size(100, 100);
	gfx::Size layer_size(400, 500);
	gfx::Rect aperture_rect(20, 30, 40, 50);
	gfx::Rect border(40, 40, 80, 80);
	bool fill_center = false;
	size_t expected_quad_size = 8;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);

	// The bounds of the layer are set to less than the bitmap size.
	bitmap_size = gfx::Size(100, 100);
	layer_size = gfx::Size(40, 50);
	aperture_rect = gfx::Rect(20, 30, 40, 50);
	border = gfx::Rect(10, 10, 25, 15);
	fill_center = true;
	expected_quad_size = 9;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);

	// Layer and image sizes are equal.
	bitmap_size = gfx::Size(100, 100);
	layer_size = gfx::Size(100, 100);
	aperture_rect = gfx::Rect(20, 30, 40, 50);
	border = gfx::Rect(20, 30, 40, 50);
	fill_center = true;
	expected_quad_size = 9;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);
	}

	TEST(NinePatchLayerImplTest, VerifyDrawQuadsWithEmptyPatches) {
	// The top component of the 9-patch is empty, so there should be no quads for
	// the top three components.
	gfx::Size bitmap_size(100, 100);
	gfx::Size layer_size(100, 100);
	gfx::Rect aperture_rect(10, 0, 80, 90);
	gfx::Rect border(10, 0, 20, 10);
	bool fill_center = false;
	size_t expected_quad_size = 5;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);

	// The top and left components of the 9-patch are empty, so there should be no
	// quads for the left and top components.
	bitmap_size = gfx::Size(100, 100);
	layer_size = gfx::Size(100, 100);
	aperture_rect = gfx::Rect(0, 0, 90, 90);
	border = gfx::Rect(0, 0, 10, 10);
	fill_center = false;
	expected_quad_size = 3;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);

	// The aperture is the size of the bitmap and the center doesn't draw.
	bitmap_size = gfx::Size(100, 100);
	layer_size = gfx::Size(100, 100);
	aperture_rect = gfx::Rect(0, 0, 100, 100);
	border = gfx::Rect(0, 0, 0, 0);
	fill_center = false;
	expected_quad_size = 0;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);

	// The aperture is the size of the bitmap and the center does draw.
	bitmap_size = gfx::Size(100, 100);
	layer_size = gfx::Size(100, 100);
	aperture_rect = gfx::Rect(0, 0, 100, 100);
	border = gfx::Rect(0, 0, 0, 0);
	fill_center = true;
	expected_quad_size = 1;
	NinePatchLayerLayoutTest(bitmap_size,
	aperture_rect,
	layer_size,
	border,
	fill_center,
	expected_quad_size);
	}

	TEST(NinePatchLayerImplTest, Occlusion) {
	gfx::Size layer_size(1000, 1000);
	gfx::Size viewport_size(1000, 1000);

	LayerTestCommon::LayerImplTest impl;

	SkBitmap sk_bitmap;
	sk_bitmap.allocN32Pixels(10, 10);
	sk_bitmap.setImmutable();
	UIResourceId uid = 5;
	UIResourceBitmap bitmap(sk_bitmap);
	impl.host_impl()->CreateUIResource(uid, bitmap);

	NinePatchLayerImpl* nine_patch_layer_impl =
	impl.AddChildToRoot<NinePatchLayerImpl>();
	nine_patch_layer_impl->SetBounds(layer_size);
	nine_patch_layer_impl->SetDrawsContent(true);
	nine_patch_layer_impl->SetUIResourceId(uid);
	nine_patch_layer_impl->SetImageBounds(gfx::Size(10, 10));

	gfx::Rect aperture = gfx::Rect(3, 3, 4, 4);
	gfx::Rect border = gfx::Rect(300, 300, 400, 400);
	nine_patch_layer_impl->SetLayout(aperture, border, true);

	impl.CalcDrawProps(viewport_size);

	{
	SCOPED_TRACE("No occlusion");
	gfx::Rect occluded;
	impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);

	LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(),
	gfx::Rect(layer_size));
	EXPECT_EQ(9u, impl.quad_list().size());
	}

	{
	SCOPED_TRACE("Full occlusion");
	gfx::Rect occluded(nine_patch_layer_impl->visible_layer_rect());
	impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);

	LayerTestCommon::VerifyQuadsExactlyCoverRect(impl.quad_list(), gfx::Rect());
	EXPECT_EQ(impl.quad_list().size(), 0u);
	}

	{
	SCOPED_TRACE("Partial occlusion");
	gfx::Rect occluded(0, 0, 500, 1000);
	impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, occluded);

	size_t partially_occluded_count = 0;
	LayerTestCommon::VerifyQuadsAreOccluded(
	impl.quad_list(), occluded, &partially_occluded_count);
	// The layer outputs nine quads, three of which are partially occluded, and
	// three fully occluded.
	EXPECT_EQ(6u, impl.quad_list().size());
	EXPECT_EQ(3u, partially_occluded_count);
	}
	}

	TEST(NinePatchLayerImplTest, OpaqueRect) {
	gfx::Size layer_size(1000, 1000);
	gfx::Size viewport_size(1000, 1000);

	LayerTestCommon::LayerImplTest impl;

	SkBitmap sk_bitmap_opaque;
	sk_bitmap_opaque.allocN32Pixels(10, 10);
	sk_bitmap_opaque.setImmutable();
	sk_bitmap_opaque.setAlphaType(kOpaque_SkAlphaType);

	UIResourceId uid_opaque = 6;
	UIResourceBitmap bitmap_opaque(sk_bitmap_opaque);
	impl.host_impl()->CreateUIResource(uid_opaque, bitmap_opaque);

	SkBitmap sk_bitmap_alpha;
	sk_bitmap_alpha.allocN32Pixels(10, 10);
	sk_bitmap_alpha.setImmutable();
	sk_bitmap_alpha.setAlphaType(kUnpremul_SkAlphaType);

	UIResourceId uid_alpha = 7;
	UIResourceBitmap bitmap_alpha(sk_bitmap_alpha);

	impl.host_impl()->CreateUIResource(uid_alpha, bitmap_alpha);

	NinePatchLayerImpl *nine_patch_layer_impl =
	impl.AddChildToRoot<NinePatchLayerImpl>();
	nine_patch_layer_impl->SetBounds(layer_size);
	nine_patch_layer_impl->SetDrawsContent(true);

	impl.CalcDrawProps(viewport_size);

	{
	SCOPED_TRACE("Use opaque image");

	nine_patch_layer_impl->SetUIResourceId(uid_opaque);
	nine_patch_layer_impl->SetImageBounds(gfx::Size(10, 10));

	gfx::Rect aperture = gfx::Rect(3, 3, 4, 4);
	gfx::Rect border = gfx::Rect(300, 300, 400, 400);
	nine_patch_layer_impl->SetLayout(aperture, border, true);

	impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, gfx::Rect());

	const QuadList &quad_list = impl.quad_list();
	for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
	it != quad_list.BackToFrontEnd(); ++it)
	EXPECT_FALSE(it->ShouldDrawWithBlending());
	}

	{
	SCOPED_TRACE("Use tranparent image");

	nine_patch_layer_impl->SetUIResourceId(uid_alpha);

	impl.AppendQuadsWithOcclusion(nine_patch_layer_impl, gfx::Rect());

	const QuadList &quad_list = impl.quad_list();
	for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
	it != quad_list.BackToFrontEnd(); ++it)
	EXPECT_TRUE(it->ShouldDrawWithBlending());
	}
	}

	} // namespace
	} // namespace cc