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// Copyright 2015 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 "cc/output/compositor_frame.h"
#include "cc/surfaces/surface.h"
#include "cc/surfaces/surface_factory.h"
#include "cc/surfaces/surface_factory_client.h"
#include "cc/surfaces/surface_hittest.h"
#include "cc/surfaces/surface_id_allocator.h"
#include "cc/surfaces/surface_manager.h"
#include "cc/test/surface_hittest_test_helpers.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkColor.h"
#include "ui/gfx/geometry/size.h"
namespace cc {
namespace {
struct TestCase {
SurfaceId input_surface_id;
gfx::Point input_point;
SurfaceId expected_output_surface_id;
gfx::Point expected_output_point;
};
void RunTests(SurfaceHittestDelegate* delegate,
SurfaceManager* manager,
TestCase* tests,
size_t test_count) {
SurfaceHittest hittest(delegate, manager);
for (size_t i = 0; i < test_count; ++i) {
const TestCase& test = tests[i];
gfx::Point point(test.input_point);
gfx::Transform transform;
EXPECT_EQ(test.expected_output_surface_id,
hittest.GetTargetSurfaceAtPoint(test.input_surface_id, point,
&transform));
transform.TransformPoint(&point);
EXPECT_EQ(test.expected_output_point, point);
// Verify that GetTransformToTargetSurface returns true and returns the same
// transform as returned by GetTargetSurfaceAtPoint.
gfx::Transform target_transform;
EXPECT_TRUE(hittest.GetTransformToTargetSurface(
test.input_surface_id, test.expected_output_surface_id,
&target_transform));
EXPECT_EQ(transform, target_transform);
}
}
} // namespace
using namespace test;
// This test verifies that hit testing on a surface that does not exist does
// not crash.
TEST(SurfaceHittestTest, Hittest_BadCompositorFrameDoesNotCrash) {
SurfaceManager manager;
EmptySurfaceFactoryClient client;
SurfaceFactory factory(&manager, &client);
// Creates a root surface.
gfx::Rect root_rect(300, 300);
RenderPass* root_pass = nullptr;
std::unique_ptr<CompositorFrame> root_frame =
CreateCompositorFrame(root_rect, &root_pass);
// Add a reference to a non-existant child surface on the root surface.
SurfaceId child_surface_id(3, 0xdeadbeef, 0);
gfx::Rect child_rect(200, 200);
CreateSurfaceDrawQuad(root_pass,
gfx::Transform(),
root_rect,
child_rect,
child_surface_id);
// Submit the root frame.
SurfaceIdAllocator root_allocator(2);
SurfaceId root_surface_id = root_allocator.GenerateId();
factory.Create(root_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
{
SurfaceHittest hittest(nullptr, &manager);
// It is expected this test will complete without crashes.
gfx::Transform transform;
EXPECT_EQ(root_surface_id,
hittest.GetTargetSurfaceAtPoint(
root_surface_id, gfx::Point(100, 100), &transform));
}
factory.Destroy(root_surface_id);
}
TEST(SurfaceHittestTest, Hittest_SingleSurface) {
SurfaceManager manager;
EmptySurfaceFactoryClient client;
SurfaceFactory factory(&manager, &client);
// Creates a root surface.
gfx::Rect root_rect(300, 300);
RenderPass* root_pass = nullptr;
std::unique_ptr<CompositorFrame> root_frame =
CreateCompositorFrame(root_rect, &root_pass);
// Submit the root frame.
SurfaceIdAllocator root_allocator(2);
SurfaceId root_surface_id = root_allocator.GenerateId();
factory.Create(root_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
TestCase tests[] = {
{
root_surface_id,
gfx::Point(100, 100),
root_surface_id,
gfx::Point(100, 100)
},
};
RunTests(nullptr, &manager, tests, arraysize(tests));
factory.Destroy(root_surface_id);
}
TEST(SurfaceHittestTest, Hittest_ChildSurface) {
SurfaceManager manager;
EmptySurfaceFactoryClient client;
SurfaceFactory factory(&manager, &client);
// Creates a root surface.
gfx::Rect root_rect(300, 300);
RenderPass* root_pass = nullptr;
std::unique_ptr<CompositorFrame> root_frame =
CreateCompositorFrame(root_rect, &root_pass);
// Add a reference to the child surface on the root surface.
SurfaceIdAllocator child_allocator(3);
SurfaceId child_surface_id = child_allocator.GenerateId();
gfx::Rect child_rect(200, 200);
CreateSurfaceDrawQuad(root_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 50.0f,
0.0f, 1.0f, 0.0f, 50.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f),
root_rect,
child_rect,
child_surface_id);
// Submit the root frame.
SurfaceIdAllocator root_allocator(2);
SurfaceId root_surface_id = root_allocator.GenerateId();
factory.Create(root_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
// Creates a child surface.
RenderPass* child_pass = nullptr;
std::unique_ptr<CompositorFrame> child_frame =
CreateCompositorFrame(child_rect, &child_pass);
// Add a solid quad in the child surface.
gfx::Rect child_solid_quad_rect(100, 100);
CreateSolidColorDrawQuad(
child_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 50.0f,
0.0f, 1.0f, 0.0f, 50.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f),
root_rect, child_solid_quad_rect);
// Submit the frame.
factory.Create(child_surface_id);
factory.SubmitCompositorFrame(child_surface_id, std::move(child_frame),
SurfaceFactory::DrawCallback());
TestCase tests[] = {
{
root_surface_id,
gfx::Point(10, 10),
root_surface_id,
gfx::Point(10, 10)
},
{
root_surface_id,
gfx::Point(99, 99),
root_surface_id,
gfx::Point(99, 99)
},
{
root_surface_id,
gfx::Point(100, 100),
child_surface_id,
gfx::Point(50, 50)
},
{
root_surface_id,
gfx::Point(199, 199),
child_surface_id,
gfx::Point(149, 149)
},
{
root_surface_id,
gfx::Point(200, 200),
root_surface_id,
gfx::Point(200, 200)
},
{
root_surface_id,
gfx::Point(290, 290),
root_surface_id,
gfx::Point(290, 290)
}
};
RunTests(nullptr, &manager, tests, arraysize(tests));
// Submit another root frame, with a slightly perturbed child Surface.
root_frame = CreateCompositorFrame(root_rect, &root_pass);
CreateSurfaceDrawQuad(root_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 75.0f,
0.0f, 1.0f, 0.0f, 75.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f),
root_rect,
child_rect,
child_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
// Verify that point (100, 100) no longer falls on the child surface.
// Verify that the transform to the child surface's space has also shifted.
{
SurfaceHittest hittest(nullptr, &manager);
gfx::Point point(100, 100);
gfx::Transform transform;
EXPECT_EQ(root_surface_id,
hittest.GetTargetSurfaceAtPoint(root_surface_id, point,
&transform));
transform.TransformPoint(&point);
EXPECT_EQ(gfx::Point(100, 100), point);
gfx::Point point_in_target_space(100, 100);
gfx::Transform target_transform;
EXPECT_TRUE(hittest.GetTransformToTargetSurface(
root_surface_id, child_surface_id, &target_transform));
target_transform.TransformPoint(&point_in_target_space);
EXPECT_NE(transform, target_transform);
EXPECT_EQ(gfx::Point(25, 25), point_in_target_space);
}
factory.Destroy(root_surface_id);
factory.Destroy(child_surface_id);
}
// This test verifies that hit testing will progress to the next quad if it
// encounters an invalid RenderPassDrawQuad for whatever reason.
TEST(SurfaceHittestTest, Hittest_InvalidRenderPassDrawQuad) {
SurfaceManager manager;
EmptySurfaceFactoryClient client;
SurfaceFactory factory(&manager, &client);
// Creates a root surface.
gfx::Rect root_rect(300, 300);
RenderPass* root_pass = nullptr;
std::unique_ptr<CompositorFrame> root_frame =
CreateCompositorFrame(root_rect, &root_pass);
// Create a RenderPassDrawQuad to a non-existant RenderPass.
CreateRenderPassDrawQuad(root_pass,
gfx::Transform(),
root_rect,
root_rect,
RenderPassId(1337, 1337));
// Add a reference to the child surface on the root surface.
SurfaceIdAllocator child_allocator(3);
SurfaceId child_surface_id = child_allocator.GenerateId();
gfx::Rect child_rect(200, 200);
CreateSurfaceDrawQuad(root_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 50.0f,
0.0f, 1.0f, 0.0f, 50.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f),
root_rect,
child_rect,
child_surface_id);
// Submit the root frame.
SurfaceIdAllocator root_allocator(2);
SurfaceId root_surface_id = root_allocator.GenerateId();
factory.Create(root_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
// Creates a child surface.
RenderPass* child_pass = nullptr;
std::unique_ptr<CompositorFrame> child_frame =
CreateCompositorFrame(child_rect, &child_pass);
// Add a solid quad in the child surface.
gfx::Rect child_solid_quad_rect(100, 100);
CreateSolidColorDrawQuad(child_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 50.0f,
0.0f, 1.0f, 0.0f, 50.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f),
root_rect,
child_solid_quad_rect);
// Submit the frame.
factory.Create(child_surface_id);
factory.SubmitCompositorFrame(child_surface_id, std::move(child_frame),
SurfaceFactory::DrawCallback());
TestCase tests[] = {
{
root_surface_id,
gfx::Point(10, 10),
root_surface_id,
gfx::Point(10, 10)
},
{
root_surface_id,
gfx::Point(99, 99),
root_surface_id,
gfx::Point(99, 99)
},
{
root_surface_id,
gfx::Point(100, 100),
child_surface_id,
gfx::Point(50, 50)
},
{
root_surface_id,
gfx::Point(199, 199),
child_surface_id,
gfx::Point(149, 149)
},
{
root_surface_id,
gfx::Point(200, 200),
root_surface_id,
gfx::Point(200, 200)
},
{
root_surface_id,
gfx::Point(290, 290),
root_surface_id,
gfx::Point(290, 290)
}
};
RunTests(nullptr, &manager, tests, arraysize(tests));
factory.Destroy(root_surface_id);
factory.Destroy(child_surface_id);
}
TEST(SurfaceHittestTest, Hittest_RenderPassDrawQuad) {
SurfaceManager manager;
EmptySurfaceFactoryClient client;
SurfaceFactory factory(&manager, &client);
// Create a CompostiorFrame with two RenderPasses.
gfx::Rect root_rect(300, 300);
RenderPassList render_pass_list;
// Create a child RenderPass.
RenderPassId child_render_pass_id(1, 3);
gfx::Transform transform_to_root_target(1.0f, 0.0f, 0.0f, 50.0f,
0.0f, 1.0f, 0.0f, 50.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f);
CreateRenderPass(child_render_pass_id,
gfx::Rect(100, 100),
transform_to_root_target,
&render_pass_list);
// Create the root RenderPass.
RenderPassId root_render_pass_id(1, 2);
CreateRenderPass(root_render_pass_id, root_rect, gfx::Transform(),
&render_pass_list);
RenderPass* root_pass = nullptr;
std::unique_ptr<CompositorFrame> root_frame =
CreateCompositorFrameWithRenderPassList(&render_pass_list);
root_pass = root_frame->delegated_frame_data->render_pass_list.back().get();
// Create a RenderPassDrawQuad.
gfx::Rect render_pass_quad_rect(100, 100);
CreateRenderPassDrawQuad(root_pass,
transform_to_root_target,
root_rect,
render_pass_quad_rect,
child_render_pass_id);
// Add a solid quad in the child render pass.
RenderPass* child_render_pass =
root_frame->delegated_frame_data->render_pass_list.front().get();
gfx::Rect child_solid_quad_rect(100, 100);
CreateSolidColorDrawQuad(child_render_pass,
gfx::Transform(),
gfx::Rect(100, 100),
child_solid_quad_rect);
// Submit the root frame.
SurfaceIdAllocator root_allocator(1);
SurfaceId root_surface_id = root_allocator.GenerateId();
factory.Create(root_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
TestCase tests[] = {
// These tests just miss the RenderPassDrawQuad.
{
root_surface_id,
gfx::Point(49, 49),
root_surface_id,
gfx::Point(49, 49)
},
{
root_surface_id,
gfx::Point(150, 150),
root_surface_id,
gfx::Point(150, 150)
},
// These tests just hit the boundaries of the
// RenderPassDrawQuad.
{
root_surface_id,
gfx::Point(50, 50),
root_surface_id,
gfx::Point(50, 50)
},
{
root_surface_id,
gfx::Point(149, 149),
root_surface_id,
gfx::Point(149, 149)
},
// These tests fall somewhere in the center of the
// RenderPassDrawQuad.
{
root_surface_id,
gfx::Point(99, 99),
root_surface_id,
gfx::Point(99, 99)
},
{
root_surface_id,
gfx::Point(100, 100),
root_surface_id,
gfx::Point(100, 100)
}
};
RunTests(nullptr, &manager, tests, arraysize(tests));
factory.Destroy(root_surface_id);
}
TEST(SurfaceHittestTest, Hittest_SingleSurface_WithInsetsDelegate) {
SurfaceManager manager;
EmptySurfaceFactoryClient client;
SurfaceFactory factory(&manager, &client);
// Creates a root surface.
gfx::Rect root_rect(300, 300);
RenderPass* root_pass = nullptr;
std::unique_ptr<CompositorFrame> root_frame =
CreateCompositorFrame(root_rect, &root_pass);
// Add a reference to the child surface on the root surface.
SurfaceIdAllocator child_allocator(3);
SurfaceId child_surface_id = child_allocator.GenerateId();
gfx::Rect child_rect(200, 200);
CreateSurfaceDrawQuad(
root_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 50.0f,
0.0f, 1.0f, 0.0f, 50.0f,
0.0f, 0.0f, 1.0f, 0.0f,
0.0f, 0.0f, 0.0f, 1.0f),
root_rect, child_rect, child_surface_id);
// Submit the root frame.
SurfaceIdAllocator root_allocator(2);
SurfaceId root_surface_id = root_allocator.GenerateId();
factory.Create(root_surface_id);
factory.SubmitCompositorFrame(root_surface_id, std::move(root_frame),
SurfaceFactory::DrawCallback());
// Creates a child surface.
RenderPass* child_pass = nullptr;
std::unique_ptr<CompositorFrame> child_frame =
CreateCompositorFrame(child_rect, &child_pass);
// Add a solid quad in the child surface.
gfx::Rect child_solid_quad_rect(190, 190);
CreateSolidColorDrawQuad(
child_pass,
gfx::Transform(1.0f, 0.0f, 0.0f, 5.0f, 0.0f, 1.0f, 0.0f, 5.0f, 0.0f, 0.0f,
1.0f, 0.0f, 0.0f, 0.0f, 0.0f, 1.0f),
root_rect, child_solid_quad_rect);
// Submit the frame.
factory.Create(child_surface_id);
factory.SubmitCompositorFrame(child_surface_id, std::move(child_frame),
SurfaceFactory::DrawCallback());
TestCase test_expectations_without_insets[] = {
{root_surface_id, gfx::Point(55, 55), child_surface_id, gfx::Point(5, 5)},
{root_surface_id, gfx::Point(60, 60), child_surface_id,
gfx::Point(10, 10)},
{root_surface_id, gfx::Point(239, 239), child_surface_id,
gfx::Point(189, 189)},
{root_surface_id, gfx::Point(244, 244), child_surface_id,
gfx::Point(194, 194)},
{root_surface_id, gfx::Point(50, 50), root_surface_id,
gfx::Point(50, 50)},
{root_surface_id, gfx::Point(249, 249), root_surface_id,
gfx::Point(249, 249)},
};
TestSurfaceHittestDelegate empty_delegate;
RunTests(&empty_delegate, &manager, test_expectations_without_insets,
arraysize(test_expectations_without_insets));
// Verify that insets have NOT affected hit targeting.
EXPECT_EQ(0, empty_delegate.reject_target_overrides());
EXPECT_EQ(0, empty_delegate.accept_target_overrides());
TestCase test_expectations_with_reject_insets[] = {
// Point (55, 55) falls outside the child surface due to the insets
// introduced above.
{root_surface_id, gfx::Point(55, 55), root_surface_id,
gfx::Point(55, 55)},
// These two points still fall within the child surface.
{root_surface_id, gfx::Point(60, 60), child_surface_id,
gfx::Point(10, 10)},
{root_surface_id, gfx::Point(239, 239), child_surface_id,
gfx::Point(189, 189)},
// Point (244, 244) falls outside the child surface due to the insets
// introduced above.
{root_surface_id, gfx::Point(244, 244), root_surface_id,
gfx::Point(244, 244)},
// Next two points also fall within within the insets indroduced above.
{root_surface_id, gfx::Point(50, 50), root_surface_id,
gfx::Point(50, 50)},
{root_surface_id, gfx::Point(249, 249), root_surface_id,
gfx::Point(249, 249)},
};
TestSurfaceHittestDelegate reject_delegate;
reject_delegate.AddInsetsForRejectSurface(child_surface_id,
gfx::Insets(10, 10, 10, 10));
RunTests(&reject_delegate, &manager, test_expectations_with_reject_insets,
arraysize(test_expectations_with_reject_insets));
// Verify that insets have affected hit targeting.
EXPECT_EQ(4, reject_delegate.reject_target_overrides());
EXPECT_EQ(0, reject_delegate.accept_target_overrides());
TestCase test_expectations_with_accept_insets[] = {
{root_surface_id, gfx::Point(55, 55), child_surface_id, gfx::Point(5, 5)},
{root_surface_id, gfx::Point(60, 60), child_surface_id,
gfx::Point(10, 10)},
{root_surface_id, gfx::Point(239, 239), child_surface_id,
gfx::Point(189, 189)},
{root_surface_id, gfx::Point(244, 244), child_surface_id,
gfx::Point(194, 194)},
// Next two points fall within within the insets indroduced above.
{root_surface_id, gfx::Point(50, 50), child_surface_id, gfx::Point(0, 0)},
{root_surface_id, gfx::Point(249, 249), child_surface_id,
gfx::Point(199, 199)},
};
TestSurfaceHittestDelegate accept_delegate;
accept_delegate.AddInsetsForAcceptSurface(child_surface_id,
gfx::Insets(5, 5, 5, 5));
RunTests(&accept_delegate, &manager, test_expectations_with_accept_insets,
arraysize(test_expectations_with_accept_insets));
// Verify that insets have affected hit targeting.
EXPECT_EQ(0, accept_delegate.reject_target_overrides());
EXPECT_EQ(2, accept_delegate.accept_target_overrides());
factory.Destroy(root_surface_id);
}
} // namespace cc