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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 <vector>
#include "base/memory/scoped_ptr.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "ui/ozone/platform/drm/gpu/crtc_controller.h"
#include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
#include "ui/ozone/platform/drm/gpu/hardware_display_plane.h"
#include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager.h"
#include "ui/ozone/platform/drm/gpu/hardware_display_plane_manager_legacy.h"
#include "ui/ozone/platform/drm/gpu/overlay_plane.h"
#include "ui/ozone/platform/drm/gpu/scanout_buffer.h"
#include "ui/ozone/platform/drm/test/mock_drm_device.h"
namespace {
struct FakePlaneInfo {
uint32_t id;
uint32_t allowed_crtc_mask;
};
const FakePlaneInfo kOnePlanePerCrtc[] = {{10, 1}, {20, 2}};
const FakePlaneInfo kTwoPlanesPerCrtc[] = {{10, 1}, {11, 1}, {20, 2}, {21, 2}};
const FakePlaneInfo kOnePlanePerCrtcWithShared[] = {{10, 1}, {20, 2}, {50, 3}};
class FakeScanoutBuffer : public ui::ScanoutBuffer {
public:
FakeScanoutBuffer() {}
// ui::ScanoutBuffer:
uint32_t GetFramebufferId() const override { return 1; }
uint32_t GetHandle() const override { return 0; }
gfx::Size GetSize() const override { return gfx::Size(1, 1); }
protected:
~FakeScanoutBuffer() override {}
};
class FakePlaneManager : public ui::HardwareDisplayPlaneManager {
public:
FakePlaneManager() : plane_count_(0) {}
~FakePlaneManager() override {}
// Normally we'd use DRM to figure out the controller configuration. But we
// can't use DRM in unit tests, so we just create a fake configuration.
void InitForTest(const FakePlaneInfo* planes,
size_t count,
const std::vector<uint32_t>& crtcs) {
crtcs_ = crtcs;
for (size_t i = 0; i < count; i++) {
planes_.push_back(new ui::HardwareDisplayPlane(
planes[i].id, planes[i].allowed_crtc_mask));
}
// The real HDPM uses sorted planes, so sort them for consistency.
std::sort(planes_.begin(), planes_.end(),
[](ui::HardwareDisplayPlane* l, ui::HardwareDisplayPlane* r) {
return l->plane_id() < r->plane_id();
});
}
bool Commit(ui::HardwareDisplayPlaneList* plane_list,
bool is_sync,
bool test_only) override {
return false;
}
bool SetPlaneData(ui::HardwareDisplayPlaneList* plane_list,
ui::HardwareDisplayPlane* hw_plane,
const ui::OverlayPlane& overlay,
uint32_t crtc_id,
const gfx::Rect& src_rect,
ui::CrtcController* crtc) override {
// Check that the chosen plane is a legal choice for the crtc.
EXPECT_NE(-1, LookupCrtcIndex(crtc_id));
EXPECT_TRUE(hw_plane->CanUseForCrtc(LookupCrtcIndex(crtc_id)));
EXPECT_FALSE(hw_plane->in_use());
plane_count_++;
return true;
}
int plane_count() const { return plane_count_; }
private:
DISALLOW_COPY_AND_ASSIGN(FakePlaneManager);
int plane_count_;
};
class HardwareDisplayPlaneManagerTest : public testing::Test {
public:
HardwareDisplayPlaneManagerTest() {}
void SetUp() override;
protected:
scoped_ptr<FakePlaneManager> plane_manager_;
ui::HardwareDisplayPlaneList state_;
std::vector<uint32_t> default_crtcs_;
scoped_refptr<ui::ScanoutBuffer> fake_buffer_;
private:
DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlaneManagerTest);
};
void HardwareDisplayPlaneManagerTest::SetUp() {
fake_buffer_ = new FakeScanoutBuffer();
plane_manager_.reset(new FakePlaneManager());
default_crtcs_.push_back(100);
default_crtcs_.push_back(200);
}
TEST_F(HardwareDisplayPlaneManagerTest, SinglePlaneAssignment) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kOnePlanePerCrtc, arraysize(kOnePlanePerCrtc),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_EQ(1, plane_manager_->plane_count());
}
TEST_F(HardwareDisplayPlaneManagerTest, BadCrtc) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kOnePlanePerCrtc, arraysize(kOnePlanePerCrtc),
default_crtcs_);
EXPECT_FALSE(
plane_manager_->AssignOverlayPlanes(&state_, assigns, 1, nullptr));
}
TEST_F(HardwareDisplayPlaneManagerTest, MultiplePlaneAssignment) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kTwoPlanesPerCrtc, arraysize(kTwoPlanesPerCrtc),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_EQ(2, plane_manager_->plane_count());
}
TEST_F(HardwareDisplayPlaneManagerTest, NotEnoughPlanes) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kOnePlanePerCrtc, arraysize(kOnePlanePerCrtc),
default_crtcs_);
EXPECT_FALSE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
}
TEST_F(HardwareDisplayPlaneManagerTest, MultipleCrtcs) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kOnePlanePerCrtc, arraysize(kOnePlanePerCrtc),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[1], nullptr));
EXPECT_EQ(2, plane_manager_->plane_count());
}
TEST_F(HardwareDisplayPlaneManagerTest, MultiplePlanesAndCrtcs) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kTwoPlanesPerCrtc, arraysize(kTwoPlanesPerCrtc),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[1], nullptr));
EXPECT_EQ(4, plane_manager_->plane_count());
}
TEST_F(HardwareDisplayPlaneManagerTest, MultipleFrames) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kTwoPlanesPerCrtc, arraysize(kTwoPlanesPerCrtc),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_EQ(1, plane_manager_->plane_count());
// Pretend we committed the frame.
state_.plane_list.swap(state_.old_plane_list);
plane_manager_->BeginFrame(&state_);
ui::HardwareDisplayPlane* old_plane = state_.old_plane_list[0];
// The same plane should be used.
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_EQ(2, plane_manager_->plane_count());
EXPECT_EQ(state_.plane_list[0], old_plane);
}
TEST_F(HardwareDisplayPlaneManagerTest, MultipleFramesDifferentPlanes) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kTwoPlanesPerCrtc, arraysize(kTwoPlanesPerCrtc),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_EQ(1, plane_manager_->plane_count());
// The other plane should be used.
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
EXPECT_EQ(2, plane_manager_->plane_count());
EXPECT_NE(state_.plane_list[0], state_.plane_list[1]);
}
TEST_F(HardwareDisplayPlaneManagerTest, SharedPlanes) {
ui::OverlayPlaneList assigns;
assigns.push_back(ui::OverlayPlane(fake_buffer_));
assigns.push_back(ui::OverlayPlane(fake_buffer_));
plane_manager_->InitForTest(kOnePlanePerCrtcWithShared,
arraysize(kOnePlanePerCrtcWithShared),
default_crtcs_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[1], nullptr));
EXPECT_EQ(2, plane_manager_->plane_count());
// The shared plane is now unavailable for use by the other CRTC.
EXPECT_FALSE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
}
TEST(HardwareDisplayPlaneManagerLegacyTest, UnusedPlanesAreReleased) {
std::vector<uint32_t> crtcs;
crtcs.push_back(100);
scoped_refptr<ui::MockDrmDevice> drm = new ui::MockDrmDevice(false, crtcs, 2);
ui::OverlayPlaneList assigns;
scoped_refptr<FakeScanoutBuffer> fake_buffer = new FakeScanoutBuffer();
assigns.push_back(ui::OverlayPlane(fake_buffer));
assigns.push_back(ui::OverlayPlane(fake_buffer));
ui::HardwareDisplayPlaneList hdpl;
ui::CrtcController crtc(drm, crtcs[0], 0);
drm->plane_manager()->BeginFrame(&hdpl);
EXPECT_TRUE(drm->plane_manager()->AssignOverlayPlanes(&hdpl, assigns,
crtcs[0], &crtc));
EXPECT_TRUE(drm->plane_manager()->Commit(&hdpl, false, false));
assigns.clear();
assigns.push_back(ui::OverlayPlane(fake_buffer));
drm->plane_manager()->BeginFrame(&hdpl);
EXPECT_TRUE(drm->plane_manager()->AssignOverlayPlanes(&hdpl, assigns,
crtcs[0], &crtc));
EXPECT_EQ(0, drm->get_overlay_clear_call_count());
EXPECT_TRUE(drm->plane_manager()->Commit(&hdpl, false, false));
EXPECT_EQ(1, drm->get_overlay_clear_call_count());
}
} // namespace
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