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overlay_unittest.cc
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overlay_unittest.cc
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// Copyright 2014 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 "cc/base/region.h"
#include "cc/output/compositor_frame_metadata.h"
#include "cc/output/gl_renderer.h"
#include "cc/output/output_surface.h"
#include "cc/output/output_surface_client.h"
#include "cc/output/overlay_candidate_validator.h"
#include "cc/output/overlay_processor.h"
#include "cc/output/overlay_strategy_sandwich.h"
#include "cc/output/overlay_strategy_single_on_top.h"
#include "cc/output/overlay_strategy_underlay.h"
#include "cc/quads/render_pass.h"
#include "cc/quads/solid_color_draw_quad.h"
#include "cc/quads/stream_video_draw_quad.h"
#include "cc/quads/texture_draw_quad.h"
#include "cc/resources/resource_provider.h"
#include "cc/resources/texture_mailbox.h"
#include "cc/test/fake_output_surface_client.h"
#include "cc/test/fake_resource_provider.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/test_context_provider.h"
#include "cc/test/test_shared_bitmap_manager.h"
#include "testing/gmock/include/gmock/gmock.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/gfx/geometry/rect_conversions.h"
using testing::_;
using testing::Mock;
namespace cc {
namespace {
const gfx::Size kDisplaySize(256, 256);
const gfx::Rect kOverlayRect(0, 0, 128, 128);
const gfx::Rect kOverlayTopLeftRect(0, 0, 64, 64);
const gfx::Rect kOverlayBottomRightRect(64, 64, 64, 64);
const gfx::Rect kOverlayClipRect(0, 0, 128, 128);
const gfx::PointF kUVTopLeft(0.1f, 0.2f);
const gfx::PointF kUVBottomRight(1.0f, 1.0f);
const gfx::Transform kNormalTransform =
gfx::Transform(0.9f, 0, 0, 0.8f, 0.1f, 0.2f); // x,y -> x,y.
const gfx::Transform kXMirrorTransform =
gfx::Transform(-0.9f, 0, 0, 0.8f, 1.0f, 0.2f); // x,y -> 1-x,y.
const gfx::Transform kYMirrorTransform =
gfx::Transform(0.9f, 0, 0, -0.8f, 0.1f, 1.0f); // x,y -> x,1-y.
const gfx::Transform kBothMirrorTransform =
gfx::Transform(-0.9f, 0, 0, -0.8f, 1.0f, 1.0f); // x,y -> 1-x,1-y.
const gfx::Transform kSwapTransform =
gfx::Transform(0, 1, 1, 0, 0, 0); // x,y -> y,x.
void MailboxReleased(const gpu::SyncToken& sync_token,
bool lost_resource,
BlockingTaskRunner* main_thread_task_runner) {}
class SingleOverlayValidator : public OverlayCandidateValidator {
public:
void GetStrategies(OverlayProcessor::StrategyList* strategies) override {
strategies->push_back(
make_scoped_ptr(new OverlayStrategySingleOnTop(this)));
strategies->push_back(make_scoped_ptr(new OverlayStrategyUnderlay(this)));
}
bool AllowCALayerOverlays() override { return false; }
void CheckOverlaySupport(OverlayCandidateList* surfaces) override {
// We may have 1 or 2 surfaces depending on whether this ran through the
// full renderer and picked up the output surface, or not.
ASSERT_LE(1U, surfaces->size());
ASSERT_GE(2U, surfaces->size());
OverlayCandidate& candidate = surfaces->back();
EXPECT_TRUE(!candidate.use_output_surface_for_resource);
if (candidate.display_rect.width() == 64) {
EXPECT_EQ(gfx::RectF(kOverlayBottomRightRect), candidate.display_rect);
} else {
EXPECT_NEAR(kOverlayRect.x(), candidate.display_rect.x(), 0.01f);
EXPECT_NEAR(kOverlayRect.y(), candidate.display_rect.y(), 0.01f);
EXPECT_NEAR(kOverlayRect.width(), candidate.display_rect.width(), 0.01f);
EXPECT_NEAR(kOverlayRect.height(), candidate.display_rect.height(),
0.01f);
}
EXPECT_FLOAT_RECT_EQ(BoundingRect(kUVTopLeft, kUVBottomRight),
candidate.uv_rect);
if (!candidate.clip_rect.IsEmpty()) {
EXPECT_EQ(true, candidate.is_clipped);
EXPECT_EQ(kOverlayClipRect, candidate.clip_rect);
}
candidate.overlay_handled = true;
}
};
class CALayerValidator : public OverlayCandidateValidator {
public:
void GetStrategies(OverlayProcessor::StrategyList* strategies) override {}
bool AllowCALayerOverlays() override { return true; }
void CheckOverlaySupport(OverlayCandidateList* surfaces) override {}
};
class SingleOnTopOverlayValidator : public SingleOverlayValidator {
public:
void GetStrategies(OverlayProcessor::StrategyList* strategies) override {
strategies->push_back(
make_scoped_ptr(new OverlayStrategySingleOnTop(this)));
}
};
class UnderlayOverlayValidator : public SingleOverlayValidator {
public:
void GetStrategies(OverlayProcessor::StrategyList* strategies) override {
strategies->push_back(make_scoped_ptr(new OverlayStrategyUnderlay(this)));
}
};
class SandwichOverlayValidator : public OverlayCandidateValidator {
public:
void GetStrategies(OverlayProcessor::StrategyList* strategies) override {
strategies->push_back(make_scoped_ptr(new OverlayStrategySandwich(this)));
}
bool AllowCALayerOverlays() override { return false; }
void CheckOverlaySupport(OverlayCandidateList* surfaces) override {
for (OverlayCandidate& candidate : *surfaces)
candidate.overlay_handled = true;
}
};
class DefaultOverlayProcessor : public OverlayProcessor {
public:
explicit DefaultOverlayProcessor(OutputSurface* surface);
size_t GetStrategyCount();
};
DefaultOverlayProcessor::DefaultOverlayProcessor(OutputSurface* surface)
: OverlayProcessor(surface) {
}
size_t DefaultOverlayProcessor::GetStrategyCount() {
return strategies_.size();
}
class OverlayOutputSurface : public OutputSurface {
public:
explicit OverlayOutputSurface(scoped_refptr<ContextProvider> context_provider)
: OutputSurface(context_provider) {
surface_size_ = kDisplaySize;
device_scale_factor_ = 1;
is_displayed_as_overlay_plane_ = true;
}
void SetScaleFactor(float scale_factor) {
device_scale_factor_ = scale_factor;
}
// OutputSurface implementation
void SwapBuffers(CompositorFrame* frame) override;
void SetOverlayCandidateValidator(OverlayCandidateValidator* validator) {
overlay_candidate_validator_.reset(validator);
}
OverlayCandidateValidator* GetOverlayCandidateValidator() const override {
return overlay_candidate_validator_.get();
}
bool IsDisplayedAsOverlayPlane() const override {
return is_displayed_as_overlay_plane_;
}
unsigned GetOverlayTextureId() const override { return 10000; }
void set_is_displayed_as_overlay_plane(bool value) {
is_displayed_as_overlay_plane_ = value;
}
private:
scoped_ptr<OverlayCandidateValidator> overlay_candidate_validator_;
bool is_displayed_as_overlay_plane_;
};
void OverlayOutputSurface::SwapBuffers(CompositorFrame* frame) {
client_->DidSwapBuffers();
client_->DidSwapBuffersComplete();
}
scoped_ptr<RenderPass> CreateRenderPass() {
RenderPassId id(1, 0);
gfx::Rect output_rect(0, 0, 256, 256);
bool has_transparent_background = true;
scoped_ptr<RenderPass> pass = RenderPass::Create();
pass->SetAll(id,
output_rect,
output_rect,
gfx::Transform(),
has_transparent_background);
SharedQuadState* shared_state = pass->CreateAndAppendSharedQuadState();
shared_state->opacity = 1.f;
return pass.Pass();
}
ResourceId CreateResource(ResourceProvider* resource_provider,
const gfx::Size& size,
bool is_overlay_candidate) {
TextureMailbox mailbox =
TextureMailbox(gpu::Mailbox::Generate(), gpu::SyncToken(), GL_TEXTURE_2D,
size, is_overlay_candidate);
scoped_ptr<SingleReleaseCallbackImpl> release_callback =
SingleReleaseCallbackImpl::Create(base::Bind(&MailboxReleased));
return resource_provider->CreateResourceFromTextureMailbox(
mailbox, release_callback.Pass());
}
SolidColorDrawQuad* CreateSolidColorQuadAt(
const SharedQuadState* shared_quad_state,
SkColor color,
RenderPass* render_pass,
const gfx::Rect& rect) {
SolidColorDrawQuad* quad =
render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
quad->SetNew(shared_quad_state, rect, rect, color, false);
return quad;
}
TextureDrawQuad* CreateCandidateQuadAt(ResourceProvider* resource_provider,
const SharedQuadState* shared_quad_state,
RenderPass* render_pass,
const gfx::Rect& rect) {
bool premultiplied_alpha = false;
bool flipped = false;
bool nearest_neighbor = false;
float vertex_opacity[4] = {1.0f, 1.0f, 1.0f, 1.0f};
gfx::Size resource_size_in_pixels = gfx::Size(64, 64);
bool is_overlay_candidate = true;
ResourceId resource_id = CreateResource(
resource_provider, resource_size_in_pixels, is_overlay_candidate);
TextureDrawQuad* overlay_quad =
render_pass->CreateAndAppendDrawQuad<TextureDrawQuad>();
overlay_quad->SetNew(shared_quad_state,
rect,
rect,
rect,
resource_id,
premultiplied_alpha,
kUVTopLeft,
kUVBottomRight,
SK_ColorTRANSPARENT,
vertex_opacity,
flipped,
nearest_neighbor);
overlay_quad->set_resource_size_in_pixels(resource_size_in_pixels);
return overlay_quad;
}
StreamVideoDrawQuad* CreateCandidateVideoQuadAt(
ResourceProvider* resource_provider,
const SharedQuadState* shared_quad_state,
RenderPass* render_pass,
const gfx::Rect& rect,
const gfx::Transform& transform) {
gfx::Size resource_size_in_pixels = gfx::Size(64, 64);
bool is_overlay_candidate = true;
ResourceId resource_id = CreateResource(
resource_provider, resource_size_in_pixels, is_overlay_candidate);
StreamVideoDrawQuad* overlay_quad =
render_pass->CreateAndAppendDrawQuad<StreamVideoDrawQuad>();
overlay_quad->SetNew(shared_quad_state, rect, rect, rect, resource_id,
resource_size_in_pixels, transform);
return overlay_quad;
}
TextureDrawQuad* CreateFullscreenCandidateQuad(
ResourceProvider* resource_provider,
const SharedQuadState* shared_quad_state,
RenderPass* render_pass) {
return CreateCandidateQuadAt(
resource_provider, shared_quad_state, render_pass, kOverlayRect);
}
StreamVideoDrawQuad* CreateFullscreenCandidateVideoQuad(
ResourceProvider* resource_provider,
const SharedQuadState* shared_quad_state,
RenderPass* render_pass,
const gfx::Transform& transform) {
return CreateCandidateVideoQuadAt(resource_provider, shared_quad_state,
render_pass, kOverlayRect, transform);
}
void CreateOpaqueQuadAt(ResourceProvider* resource_provider,
const SharedQuadState* shared_quad_state,
RenderPass* render_pass,
const gfx::Rect& rect) {
SolidColorDrawQuad* color_quad =
render_pass->CreateAndAppendDrawQuad<SolidColorDrawQuad>();
color_quad->SetNew(shared_quad_state, rect, rect, SK_ColorBLACK, false);
}
void CreateFullscreenOpaqueQuad(ResourceProvider* resource_provider,
const SharedQuadState* shared_quad_state,
RenderPass* render_pass) {
CreateOpaqueQuadAt(resource_provider, shared_quad_state, render_pass,
kOverlayRect);
}
static void CompareRenderPassLists(const RenderPassList& expected_list,
const RenderPassList& actual_list) {
EXPECT_EQ(expected_list.size(), actual_list.size());
for (size_t i = 0; i < actual_list.size(); ++i) {
RenderPass* expected = expected_list[i].get();
RenderPass* actual = actual_list[i].get();
EXPECT_EQ(expected->id, actual->id);
EXPECT_EQ(expected->output_rect, actual->output_rect);
EXPECT_EQ(expected->transform_to_root_target,
actual->transform_to_root_target);
EXPECT_EQ(expected->damage_rect, actual->damage_rect);
EXPECT_EQ(expected->has_transparent_background,
actual->has_transparent_background);
EXPECT_EQ(expected->shared_quad_state_list.size(),
actual->shared_quad_state_list.size());
EXPECT_EQ(expected->quad_list.size(), actual->quad_list.size());
for (auto exp_iter = expected->quad_list.cbegin(),
act_iter = actual->quad_list.cbegin();
exp_iter != expected->quad_list.cend();
++exp_iter, ++act_iter) {
EXPECT_EQ(exp_iter->rect.ToString(), act_iter->rect.ToString());
EXPECT_EQ(exp_iter->shared_quad_state->quad_layer_bounds.ToString(),
act_iter->shared_quad_state->quad_layer_bounds.ToString());
}
}
}
template <typename OverlayCandidateValidatorType>
class OverlayTest : public testing::Test {
protected:
void SetUp() override {
provider_ = TestContextProvider::Create();
output_surface_.reset(new OverlayOutputSurface(provider_));
EXPECT_TRUE(output_surface_->BindToClient(&client_));
output_surface_->SetOverlayCandidateValidator(
new OverlayCandidateValidatorType);
shared_bitmap_manager_.reset(new TestSharedBitmapManager());
resource_provider_ = FakeResourceProvider::Create(
output_surface_.get(), shared_bitmap_manager_.get());
overlay_processor_.reset(new OverlayProcessor(output_surface_.get()));
overlay_processor_->Initialize();
}
scoped_refptr<TestContextProvider> provider_;
scoped_ptr<OverlayOutputSurface> output_surface_;
FakeOutputSurfaceClient client_;
scoped_ptr<SharedBitmapManager> shared_bitmap_manager_;
scoped_ptr<ResourceProvider> resource_provider_;
scoped_ptr<OverlayProcessor> overlay_processor_;
gfx::Rect damage_rect_;
};
typedef OverlayTest<SingleOnTopOverlayValidator> SingleOverlayOnTopTest;
typedef OverlayTest<UnderlayOverlayValidator> UnderlayTest;
typedef OverlayTest<SandwichOverlayValidator> SandwichTest;
typedef OverlayTest<CALayerValidator> CALayerOverlayTest;
TEST(OverlayTest, NoOverlaysByDefault) {
scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
OverlayOutputSurface output_surface(provider);
EXPECT_EQ(NULL, output_surface.GetOverlayCandidateValidator());
output_surface.SetOverlayCandidateValidator(new SingleOverlayValidator);
EXPECT_TRUE(output_surface.GetOverlayCandidateValidator() != NULL);
}
TEST(OverlayTest, OverlaysProcessorHasStrategy) {
scoped_refptr<TestContextProvider> provider = TestContextProvider::Create();
OverlayOutputSurface output_surface(provider);
FakeOutputSurfaceClient client;
EXPECT_TRUE(output_surface.BindToClient(&client));
output_surface.SetOverlayCandidateValidator(new SingleOverlayValidator);
scoped_ptr<SharedBitmapManager> shared_bitmap_manager(
new TestSharedBitmapManager());
scoped_ptr<ResourceProvider> resource_provider = FakeResourceProvider::Create(
&output_surface, shared_bitmap_manager.get());
scoped_ptr<DefaultOverlayProcessor> overlay_processor(
new DefaultOverlayProcessor(&output_surface));
overlay_processor->Initialize();
EXPECT_GE(2U, overlay_processor->GetStrategyCount());
}
TEST_F(SandwichTest, SuccessfulSingleOverlay) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
TextureDrawQuad* original_quad = CreateFullscreenCandidateQuad(
resource_provider_.get(), pass->shared_quad_state_list.back(),
pass.get());
unsigned original_resource_id = original_quad->resource_id();
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Check for potential candidates.
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(1U, candidate_list.size());
RenderPass* main_pass = pass_list.back().get();
// Check that the quad is gone.
EXPECT_EQ(2U, main_pass->quad_list.size());
const QuadList& quad_list = main_pass->quad_list;
for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
it != quad_list.BackToFrontEnd(); ++it) {
EXPECT_NE(DrawQuad::TEXTURE_CONTENT, it->material);
}
// Check that the right resource id got extracted.
EXPECT_EQ(original_resource_id, candidate_list.back().resource_id);
}
TEST_F(SandwichTest, CroppedSingleOverlay) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
pass->shared_quad_state_list.back()->is_clipped = true;
pass->shared_quad_state_list.back()->clip_rect = gfx::Rect(0, 32, 64, 64);
TextureDrawQuad* original_quad = CreateFullscreenCandidateQuad(
resource_provider_.get(), pass->shared_quad_state_list.back(),
pass.get());
original_quad->uv_top_left = gfx::PointF(0, 0);
original_quad->uv_bottom_right = gfx::PointF(1, 1);
unsigned candidate_id = original_quad->resource_id();
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Check for potential candidates.
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
// Ensure that the display and uv rects have cropping applied to them.
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(1U, candidate_list.size());
EXPECT_EQ(candidate_id, candidate_list[0].resource_id);
EXPECT_EQ(gfx::RectF(0.f, 32.f, 64.f, 64.f), candidate_list[0].display_rect);
EXPECT_EQ(gfx::RectF(0.f, 0.25f, 0.5f, 0.5f), candidate_list[0].uv_rect);
}
TEST_F(SandwichTest, SuccessfulTwoOverlays) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
// Add two non-overlapping candidates.
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
kOverlayTopLeftRect);
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
kOverlayBottomRightRect);
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
// Both candidates should become overlays.
EXPECT_EQ(1u, pass_list.size());
EXPECT_EQ(2u, candidate_list.size());
EXPECT_EQ(gfx::RectF(kOverlayTopLeftRect), candidate_list[0].display_rect);
EXPECT_EQ(gfx::RectF(kOverlayBottomRightRect),
candidate_list[1].display_rect);
// The overlay quads should be gone.
const QuadList& quad_list = pass_list.back()->quad_list;
EXPECT_EQ(1u, quad_list.size());
EXPECT_EQ(DrawQuad::SOLID_COLOR, quad_list.front()->material);
}
TEST_F(SandwichTest, OverlappingOverlays) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
// Add two overlapping candidates.
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
kOverlayTopLeftRect);
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
kOverlayRect);
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
// Only one of the candidates should become an overlay.
EXPECT_EQ(1u, pass_list.size());
EXPECT_EQ(1u, candidate_list.size());
EXPECT_EQ(gfx::RectF(kOverlayTopLeftRect), candidate_list[0].display_rect);
// One of the overlay quads should be gone.
const QuadList& quad_list = pass_list.back()->quad_list;
EXPECT_EQ(2u, quad_list.size());
EXPECT_EQ(DrawQuad::TEXTURE_CONTENT, quad_list.front()->material);
EXPECT_EQ(DrawQuad::SOLID_COLOR, quad_list.back()->material);
}
TEST_F(SandwichTest, SuccessfulSandwichOverlay) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateOpaqueQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
gfx::Rect(16, 16, 32, 32));
unsigned candidate_id =
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
gfx::Rect(32, 32, 32, 32))
->resource_id();
CreateOpaqueQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
gfx::Rect(kDisplaySize));
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Check for potential candidates.
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(2U, candidate_list.size());
RenderPass* main_pass = pass_list.back().get();
// Check that the quad is gone.
EXPECT_EQ(3U, main_pass->quad_list.size());
const QuadList& quad_list = main_pass->quad_list;
for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
it != quad_list.BackToFrontEnd(); ++it) {
EXPECT_NE(DrawQuad::TEXTURE_CONTENT, it->material);
}
EXPECT_EQ(candidate_id, candidate_list[0].resource_id);
EXPECT_EQ(gfx::RectF(32.f, 32.f, 32.f, 32.f), candidate_list[0].display_rect);
EXPECT_TRUE(candidate_list[1].use_output_surface_for_resource);
EXPECT_EQ(gfx::RectF(32.f, 32.f, 16.f, 16.f), candidate_list[1].display_rect);
EXPECT_EQ(gfx::RectF(32.f / 256.f, 32.f / 256.f, 16.f / 256.f, 16.f / 256.f),
candidate_list[1].uv_rect);
}
TEST_F(SandwichTest, MultiQuadOverlay) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
// Put two non-intersecting quads on top.
const gfx::Rect rect1(gfx::Rect(0, 0, 32, 32));
const gfx::Rect rect2(gfx::Rect(32, 32, 32, 32));
Region covered_region;
covered_region.Union(rect1);
covered_region.Union(rect2);
CreateOpaqueQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(), rect1);
CreateOpaqueQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(), rect2);
// Then a candidate that we'll turn into an overlay.
unsigned candidate_id =
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
gfx::Rect(0, 0, 64, 64))
->resource_id();
// Then some opaque background.
CreateOpaqueQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(),
gfx::Rect(kDisplaySize));
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Run the overlay strategy on that input.
RenderPass* main_pass = pass_list.back().get();
OverlayCandidateList candidate_list;
EXPECT_EQ(4U, main_pass->quad_list.size());
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(3U, candidate_list.size());
// Check that the candidate quad is gone and that we now have two transparent
// quads for the same region that was covered on the overlay.
EXPECT_EQ(5U, main_pass->quad_list.size());
const QuadList& quad_list = main_pass->quad_list;
Region transparent_quad_region;
for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
it != quad_list.BackToFrontEnd(); ++it) {
EXPECT_NE(DrawQuad::TEXTURE_CONTENT, it->material);
if (it->material == DrawQuad::SOLID_COLOR) {
const SolidColorDrawQuad* solid_color_quad =
SolidColorDrawQuad::MaterialCast(*it);
if (solid_color_quad->color == SK_ColorTRANSPARENT)
transparent_quad_region.Union(solid_color_quad->rect);
}
}
DCHECK(covered_region == transparent_quad_region);
// Check that overlays cover the same region that the quads covered.
EXPECT_EQ(candidate_id, candidate_list[0].resource_id);
EXPECT_EQ(gfx::RectF(64.f, 64.f), candidate_list[0].display_rect);
EXPECT_TRUE(candidate_list[1].use_output_surface_for_resource);
EXPECT_TRUE(candidate_list[2].use_output_surface_for_resource);
Region overlay_region;
overlay_region.Union(gfx::ToEnclosingRect(candidate_list[1].display_rect));
overlay_region.Union(gfx::ToEnclosingRect(candidate_list[2].display_rect));
DCHECK(covered_region == overlay_region);
}
TEST_F(SandwichTest, DamageRect) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
damage_rect_ = kOverlayRect;
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Check for potential candidates.
OverlayCandidateList candidate_list;
// Primary plane.
OverlayCandidate output_surface_plane;
output_surface_plane.display_rect = gfx::RectF(kOverlayRect);
output_surface_plane.quad_rect_in_target_space = kOverlayRect;
output_surface_plane.use_output_surface_for_resource = true;
output_surface_plane.overlay_handled = true;
candidate_list.push_back(output_surface_plane);
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
DCHECK(!damage_rect_.IsEmpty());
}
TEST_F(SingleOverlayOnTopTest, SuccessfullOverlay) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
TextureDrawQuad* original_quad =
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
unsigned original_resource_id = original_quad->resource_id();
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Check for potential candidates.
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(1U, candidate_list.size());
RenderPass* main_pass = pass_list.back().get();
// Check that the quad is gone.
EXPECT_EQ(2U, main_pass->quad_list.size());
const QuadList& quad_list = main_pass->quad_list;
for (QuadList::ConstBackToFrontIterator it = quad_list.BackToFrontBegin();
it != quad_list.BackToFrontEnd();
++it) {
EXPECT_NE(DrawQuad::TEXTURE_CONTENT, it->material);
}
// Check that the right resource id got extracted.
EXPECT_EQ(original_resource_id, candidate_list.back().resource_id);
}
TEST_F(SingleOverlayOnTopTest, DamageRect) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
damage_rect_ = kOverlayRect;
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
// Check for potential candidates.
OverlayCandidateList candidate_list;
// Primary plane.
OverlayCandidate output_surface_plane;
output_surface_plane.display_rect = gfx::RectF(kOverlayRect);
output_surface_plane.quad_rect_in_target_space = kOverlayRect;
output_surface_plane.use_output_surface_for_resource = true;
output_surface_plane.overlay_handled = true;
candidate_list.push_back(output_surface_plane);
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
DCHECK(damage_rect_.IsEmpty());
}
TEST_F(SingleOverlayOnTopTest, NoCandidates) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
RenderPassList original_pass_list;
RenderPass::CopyAll(pass_list, &original_pass_list);
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
EXPECT_EQ(0U, candidate_list.size());
// There should be nothing new here.
CompareRenderPassLists(pass_list, original_pass_list);
}
TEST_F(SingleOverlayOnTopTest, OccludedCandidates) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
RenderPassList original_pass_list;
RenderPass::CopyAll(pass_list, &original_pass_list);
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
EXPECT_EQ(0U, candidate_list.size());
// There should be nothing new here.
CompareRenderPassLists(pass_list, original_pass_list);
}
// Test with multiple render passes.
TEST_F(SingleOverlayOnTopTest, MultipleRenderPasses) {
RenderPassList pass_list;
pass_list.push_back(CreateRenderPass());
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
// Add something behind it.
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
CreateFullscreenOpaqueQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get());
pass_list.push_back(pass.Pass());
RenderPassList original_pass_list;
RenderPass::CopyAll(pass_list, &original_pass_list);
// Check for potential candidates.
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
EXPECT_EQ(1U, candidate_list.size());
// This should be the same.
ASSERT_EQ(2U, pass_list.size());
}
TEST_F(SingleOverlayOnTopTest, RejectPremultipliedAlpha) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
TextureDrawQuad* quad =
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
quad->premultiplied_alpha = true;
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
EXPECT_EQ(1U, pass_list.size());
EXPECT_EQ(0U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, RejectBlending) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
TextureDrawQuad* quad =
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
quad->needs_blending = true;
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(0U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, RejectBackgroundColor) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
TextureDrawQuad* quad =
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
quad->background_color = SK_ColorBLACK;
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(0U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, RejectBlendMode) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
pass->shared_quad_state_list.back()->blend_mode = SkXfermode::kScreen_Mode;
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(0U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, RejectOpacity) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
pass->shared_quad_state_list.back()->opacity = 0.5f;
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(0U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, RejectNonAxisAlignedTransform) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
pass->shared_quad_state_list.back()
->quad_to_target_transform.RotateAboutXAxis(45.f);
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(0U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, AllowClipped) {
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateFullscreenCandidateQuad(resource_provider_.get(),
pass->shared_quad_state_list.back(),
pass.get());
pass->shared_quad_state_list.back()->is_clipped = true;
pass->shared_quad_state_list.back()->clip_rect = kOverlayClipRect;
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(1U, candidate_list.size());
}
TEST_F(SingleOverlayOnTopTest, AllowVerticalFlip) {
gfx::Rect rect = kOverlayRect;
rect.set_width(rect.width() / 2);
rect.Offset(0, -rect.height());
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(), rect);
pass->shared_quad_state_list.back()->quad_to_target_transform.Scale(2.0f,
-1.0f);
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(1U, candidate_list.size());
EXPECT_EQ(gfx::OVERLAY_TRANSFORM_FLIP_VERTICAL,
candidate_list.back().transform);
}
TEST_F(SingleOverlayOnTopTest, AllowHorizontalFlip) {
gfx::Rect rect = kOverlayRect;
rect.set_height(rect.height() / 2);
rect.Offset(-rect.width(), 0);
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(), rect);
pass->shared_quad_state_list.back()->quad_to_target_transform.Scale(-1.0f,
2.0f);
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
ASSERT_EQ(1U, candidate_list.size());
EXPECT_EQ(gfx::OVERLAY_TRANSFORM_FLIP_HORIZONTAL,
candidate_list.back().transform);
}
TEST_F(SingleOverlayOnTopTest, AllowPositiveScaleTransform) {
gfx::Rect rect = kOverlayRect;
rect.set_width(rect.width() / 2);
scoped_ptr<RenderPass> pass = CreateRenderPass();
CreateCandidateQuadAt(resource_provider_.get(),
pass->shared_quad_state_list.back(), pass.get(), rect);
pass->shared_quad_state_list.back()->quad_to_target_transform.Scale(2.0f,
1.0f);
RenderPassList pass_list;
pass_list.push_back(pass.Pass());
OverlayCandidateList candidate_list;
overlay_processor_->ProcessForOverlays(resource_provider_.get(), &pass_list,
&candidate_list, &damage_rect_);
ASSERT_EQ(1U, pass_list.size());
EXPECT_EQ(1U, candidate_list.size());
}