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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 <stdint.h>
#include "base/macros.h"
#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/fake_plane_info.h"
#include "ui/ozone/platform/drm/gpu/mock_drm_device.h"
#include "ui/ozone/platform/drm/gpu/mock_hardware_display_plane_manager.h"
#include "ui/ozone/platform/drm/gpu/mock_scanout_buffer.h"
namespace {
const ui::FakePlaneInfo kOnePlanePerCrtc[] = {{10, 1}, {20, 2}};
const ui::FakePlaneInfo kTwoPlanesPerCrtc[] = {{10, 1},
{11, 1},
{20, 2},
{21, 2}};
const ui::FakePlaneInfo kOnePlanePerCrtcWithShared[] = {{10, 1},
{20, 2},
{50, 3}};
const uint32_t kDummyFormat = 0;
const gfx::Size kDefaultBufferSize(2, 2);
class HardwareDisplayPlaneManagerTest : public testing::Test {
public:
HardwareDisplayPlaneManagerTest() {}
void SetUp() override;
protected:
scoped_ptr<ui::MockHardwareDisplayPlaneManager> plane_manager_;
ui::HardwareDisplayPlaneList state_;
std::vector<uint32_t> default_crtcs_;
scoped_refptr<ui::ScanoutBuffer> fake_buffer_;
scoped_refptr<ui::MockDrmDevice> fake_drm_;
private:
DISALLOW_COPY_AND_ASSIGN(HardwareDisplayPlaneManagerTest);
};
void HardwareDisplayPlaneManagerTest::SetUp() {
fake_buffer_ = new ui::MockScanoutBuffer(kDefaultBufferSize);
default_crtcs_.push_back(100);
default_crtcs_.push_back(200);
fake_drm_ = new ui::MockDrmDevice(false, default_crtcs_, 2);
plane_manager_.reset(
new ui::MockHardwareDisplayPlaneManager(fake_drm_.get()));
}
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;
scoped_refptr<ui::MockScanoutBuffer> buffer =
new ui::MockScanoutBuffer(gfx::Size(1, 1));
assigns.push_back(ui::OverlayPlane(fake_buffer_));
assigns.push_back(ui::OverlayPlane(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_F(HardwareDisplayPlaneManagerTest, CheckFramebufferFormatMatch) {
ui::OverlayPlaneList assigns;
scoped_refptr<ui::MockScanoutBuffer> buffer =
new ui::MockScanoutBuffer(kDefaultBufferSize, kDummyFormat);
assigns.push_back(ui::OverlayPlane(buffer));
plane_manager_->InitForTest(kOnePlanePerCrtc, arraysize(kOnePlanePerCrtc),
default_crtcs_);
plane_manager_->BeginFrame(&state_);
// This should return false as plane manager creates planes which support
// DRM_FORMAT_XRGB8888 while buffer returns kDummyFormat as its pixelFormat.
EXPECT_FALSE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
assigns.clear();
scoped_refptr<ui::MockScanoutBuffer> xrgb_buffer =
new ui::MockScanoutBuffer(kDefaultBufferSize);
assigns.push_back(ui::OverlayPlane(xrgb_buffer));
plane_manager_->BeginFrame(&state_);
EXPECT_TRUE(plane_manager_->AssignOverlayPlanes(&state_, assigns,
default_crtcs_[0], nullptr));
plane_manager_->BeginFrame(&state_);
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<ui::MockScanoutBuffer> primary_buffer =
new ui::MockScanoutBuffer(kDefaultBufferSize);
scoped_refptr<ui::MockScanoutBuffer> overlay_buffer =
new ui::MockScanoutBuffer(gfx::Size(1, 1));
assigns.push_back(ui::OverlayPlane(primary_buffer));
assigns.push_back(ui::OverlayPlane(overlay_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));
assigns.clear();
assigns.push_back(ui::OverlayPlane(primary_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));
EXPECT_EQ(1, drm->get_overlay_clear_call_count());
}
} // namespace
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