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// Copyright 2011 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/scoped_ptr_vector.h"
#include "cc/layers/append_quads_data.h"
#include "cc/layers/layer_impl.h"
#include "cc/layers/render_pass_sink.h"
#include "cc/layers/render_surface_impl.h"
#include "cc/quads/shared_quad_state.h"
#include "cc/test/fake_impl_proxy.h"
#include "cc/test/fake_layer_tree_host_impl.h"
#include "cc/test/geometry_test_utils.h"
#include "cc/test/mock_quad_culler.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/transform.h"
namespace cc {
namespace {
#define EXECUTE_AND_VERIFY_SURFACE_CHANGED(code_to_test) \
render_surface->ResetPropertyChangedFlag(); \
code_to_test; \
EXPECT_TRUE(render_surface->SurfacePropertyChanged())
#define EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(code_to_test) \
render_surface->ResetPropertyChangedFlag(); \
code_to_test; \
EXPECT_FALSE(render_surface->SurfacePropertyChanged())
TEST(RenderSurfaceTest, VerifySurfaceChangesAreTrackedProperly) {
//
// This test checks that SurfacePropertyChanged() has the correct behavior.
//
FakeImplProxy proxy;
FakeLayerTreeHostImpl host_impl(&proxy);
scoped_ptr<LayerImpl> owning_layer =
LayerImpl::Create(host_impl.active_tree(), 1);
owning_layer->CreateRenderSurface();
ASSERT_TRUE(owning_layer->render_surface());
RenderSurfaceImpl* render_surface = owning_layer->render_surface();
gfx::Rect test_rect(3, 4, 5, 6);
owning_layer->ResetAllChangeTrackingForSubtree();
// Currently, the content_rect, clip_rect, and
// owning_layer->layerPropertyChanged() are the only sources of change.
EXECUTE_AND_VERIFY_SURFACE_CHANGED(render_surface->SetClipRect(test_rect));
EXECUTE_AND_VERIFY_SURFACE_CHANGED(render_surface->SetContentRect(test_rect));
owning_layer->SetOpacity(0.5f);
EXPECT_TRUE(render_surface->SurfacePropertyChanged());
owning_layer->ResetAllChangeTrackingForSubtree();
// Setting the surface properties to the same values again should not be
// considered "change".
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
render_surface->SetClipRect(test_rect));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
render_surface->SetContentRect(test_rect));
scoped_ptr<LayerImpl> dummy_mask =
LayerImpl::Create(host_impl.active_tree(), 2);
gfx::Transform dummy_matrix;
dummy_matrix.Translate(1.0, 2.0);
// The rest of the surface properties are either internal and should not cause
// change, or they are already accounted for by the
// owninglayer->layerPropertyChanged().
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
render_surface->SetDrawOpacity(0.5f));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
render_surface->SetDrawTransform(dummy_matrix));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(
render_surface->SetReplicaDrawTransform(dummy_matrix));
EXECUTE_AND_VERIFY_SURFACE_DID_NOT_CHANGE(render_surface->ClearLayerLists());
}
TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectSharedQuadState) {
FakeImplProxy proxy;
FakeLayerTreeHostImpl host_impl(&proxy);
scoped_ptr<LayerImpl> root_layer =
LayerImpl::Create(host_impl.active_tree(), 1);
scoped_ptr<LayerImpl> owning_layer =
LayerImpl::Create(host_impl.active_tree(), 2);
owning_layer->CreateRenderSurface();
ASSERT_TRUE(owning_layer->render_surface());
owning_layer->draw_properties().render_target = owning_layer.get();
RenderSurfaceImpl* render_surface = owning_layer->render_surface();
root_layer->AddChild(owning_layer.Pass());
gfx::Rect content_rect(0, 0, 50, 50);
gfx::Rect clip_rect(5, 5, 40, 40);
gfx::Transform origin;
origin.Translate(30, 40);
render_surface->SetDrawTransform(origin);
render_surface->SetContentRect(content_rect);
render_surface->SetClipRect(clip_rect);
render_surface->SetDrawOpacity(1.f);
QuadList quad_list;
SharedQuadStateList shared_state_list;
MockQuadCuller mock_quad_culler(&quad_list, &shared_state_list);
AppendQuadsData append_quads_data;
bool for_replica = false;
render_surface->AppendQuads(
&mock_quad_culler, &append_quads_data, for_replica, RenderPass::Id(2, 0));
ASSERT_EQ(1u, shared_state_list.size());
SharedQuadState* shared_quad_state = shared_state_list[0];
EXPECT_EQ(
30.0,
shared_quad_state->content_to_target_transform.matrix().getDouble(0, 3));
EXPECT_EQ(
40.0,
shared_quad_state->content_to_target_transform.matrix().getDouble(1, 3));
EXPECT_RECT_EQ(content_rect,
gfx::Rect(shared_quad_state->visible_content_rect));
EXPECT_EQ(1.f, shared_quad_state->opacity);
}
class TestRenderPassSink : public RenderPassSink {
public:
virtual void AppendRenderPass(scoped_ptr<RenderPass> render_pass) OVERRIDE {
render_passes_.push_back(render_pass.Pass());
}
const ScopedPtrVector<RenderPass>& RenderPasses() const {
return render_passes_;
}
private:
ScopedPtrVector<RenderPass> render_passes_;
};
TEST(RenderSurfaceTest, SanityCheckSurfaceCreatesCorrectRenderPass) {
FakeImplProxy proxy;
FakeLayerTreeHostImpl host_impl(&proxy);
scoped_ptr<LayerImpl> root_layer =
LayerImpl::Create(host_impl.active_tree(), 1);
scoped_ptr<LayerImpl> owning_layer =
LayerImpl::Create(host_impl.active_tree(), 2);
owning_layer->CreateRenderSurface();
ASSERT_TRUE(owning_layer->render_surface());
owning_layer->draw_properties().render_target = owning_layer.get();
RenderSurfaceImpl* render_surface = owning_layer->render_surface();
root_layer->AddChild(owning_layer.Pass());
gfx::Rect content_rect(0, 0, 50, 50);
gfx::Transform origin;
origin.Translate(30.0, 40.0);
render_surface->SetScreenSpaceTransform(origin);
render_surface->SetContentRect(content_rect);
TestRenderPassSink pass_sink;
render_surface->AppendRenderPasses(&pass_sink);
ASSERT_EQ(1u, pass_sink.RenderPasses().size());
RenderPass* pass = pass_sink.RenderPasses()[0];
EXPECT_EQ(RenderPass::Id(2, 0), pass->id);
EXPECT_RECT_EQ(content_rect, pass->output_rect);
EXPECT_EQ(origin, pass->transform_to_root_target);
}
} // namespace
} // namespace cc
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