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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 "base/message_loop/message_loop.h"
#include "testing/gtest/include/gtest/gtest.h"
#include "third_party/skia/include/core/SkCanvas.h"
#include "third_party/skia/include/core/SkColor.h"
#include "third_party/skia/include/core/SkImageInfo.h"
#include "ui/ozone/platform/drm/gpu/drm_buffer.h"
#include "ui/ozone/platform/drm/gpu/drm_device_generator.h"
#include "ui/ozone/platform/drm/gpu/drm_device_manager.h"
#include "ui/ozone/platform/drm/gpu/drm_surface.h"
#include "ui/ozone/platform/drm/gpu/drm_surface_factory.h"
#include "ui/ozone/platform/drm/gpu/drm_window.h"
#include "ui/ozone/platform/drm/gpu/hardware_display_controller.h"
#include "ui/ozone/platform/drm/gpu/screen_manager.h"
#include "ui/ozone/platform/drm/test/mock_drm_device.h"
#include "ui/ozone/public/surface_ozone_canvas.h"
namespace {
// Mode of size 6x4.
const drmModeModeInfo kDefaultMode =
{0, 6, 0, 0, 0, 0, 4, 0, 0, 0, 0, 0, 0, 0, {'\0'}};
const gfx::AcceleratedWidget kDefaultWidgetHandle = 1;
const uint32_t kDefaultCrtc = 1;
const uint32_t kDefaultConnector = 2;
const int kDefaultCursorSize = 64;
std::vector<skia::RefPtr<SkSurface>> GetCursorBuffers(
const scoped_refptr<ui::MockDrmDevice> drm) {
std::vector<skia::RefPtr<SkSurface>> cursor_buffers;
for (const skia::RefPtr<SkSurface>& cursor_buffer : drm->buffers()) {
if (cursor_buffer->width() == kDefaultCursorSize &&
cursor_buffer->height() == kDefaultCursorSize) {
cursor_buffers.push_back(cursor_buffer);
}
}
return cursor_buffers;
}
SkBitmap AllocateBitmap(const gfx::Size& size) {
SkBitmap image;
SkImageInfo info = SkImageInfo::Make(size.width(), size.height(),
kN32_SkColorType, kPremul_SkAlphaType);
image.allocPixels(info);
image.eraseColor(SK_ColorWHITE);
return image;
}
} // namespace
class DrmWindowTest : public testing::Test {
public:
DrmWindowTest() {}
void SetUp() override;
void TearDown() override;
protected:
scoped_ptr<base::MessageLoop> message_loop_;
scoped_refptr<ui::MockDrmDevice> drm_;
scoped_ptr<ui::DrmBufferGenerator> buffer_generator_;
scoped_ptr<ui::ScreenManager> screen_manager_;
scoped_ptr<ui::DrmDeviceManager> drm_device_manager_;
private:
DISALLOW_COPY_AND_ASSIGN(DrmWindowTest);
};
void DrmWindowTest::SetUp() {
message_loop_.reset(new base::MessageLoopForUI);
drm_ = new ui::MockDrmDevice();
buffer_generator_.reset(new ui::DrmBufferGenerator());
screen_manager_.reset(new ui::ScreenManager(buffer_generator_.get()));
screen_manager_->AddDisplayController(drm_, kDefaultCrtc, kDefaultConnector);
screen_manager_->ConfigureDisplayController(
drm_, kDefaultCrtc, kDefaultConnector, gfx::Point(), kDefaultMode);
drm_device_manager_.reset(new ui::DrmDeviceManager(nullptr));
scoped_ptr<ui::DrmWindow> window_delegate(new ui::DrmWindow(
kDefaultWidgetHandle, drm_device_manager_.get(), screen_manager_.get()));
window_delegate->Initialize();
window_delegate->OnBoundsChanged(
gfx::Rect(gfx::Size(kDefaultMode.hdisplay, kDefaultMode.vdisplay)));
screen_manager_->AddWindow(kDefaultWidgetHandle, window_delegate.Pass());
}
void DrmWindowTest::TearDown() {
scoped_ptr<ui::DrmWindow> delegate =
screen_manager_->RemoveWindow(kDefaultWidgetHandle);
delegate->Shutdown();
message_loop_.reset();
}
TEST_F(DrmWindowTest, SetCursorImage) {
const gfx::Size cursor_size(6, 4);
screen_manager_->GetWindow(kDefaultWidgetHandle)
->SetCursor(std::vector<SkBitmap>(1, AllocateBitmap(cursor_size)),
gfx::Point(4, 2), 0);
SkBitmap cursor;
std::vector<skia::RefPtr<SkSurface>> cursor_buffers = GetCursorBuffers(drm_);
EXPECT_EQ(2u, cursor_buffers.size());
// Buffers 1 is the cursor backbuffer we just drew in.
cursor.setInfo(cursor_buffers[1]->getCanvas()->imageInfo());
EXPECT_TRUE(cursor_buffers[1]->getCanvas()->readPixels(&cursor, 0, 0));
// Check that the frontbuffer is displaying the right image as set above.
for (int i = 0; i < cursor.height(); ++i) {
for (int j = 0; j < cursor.width(); ++j) {
if (j < cursor_size.width() && i < cursor_size.height())
EXPECT_EQ(SK_ColorWHITE, cursor.getColor(j, i));
else
EXPECT_EQ(static_cast<SkColor>(SK_ColorTRANSPARENT),
cursor.getColor(j, i));
}
}
}
TEST_F(DrmWindowTest, CheckCursorSurfaceAfterChangingDevice) {
const gfx::Size cursor_size(6, 4);
screen_manager_->GetWindow(kDefaultWidgetHandle)
->SetCursor(std::vector<SkBitmap>(1, AllocateBitmap(cursor_size)),
gfx::Point(4, 2), 0);
// Add another device.
scoped_refptr<ui::MockDrmDevice> drm = new ui::MockDrmDevice();
screen_manager_->AddDisplayController(drm, kDefaultCrtc, kDefaultConnector);
screen_manager_->ConfigureDisplayController(
drm, kDefaultCrtc, kDefaultConnector,
gfx::Point(0, kDefaultMode.vdisplay), kDefaultMode);
// Move window to the display on the new device.
screen_manager_->GetWindow(kDefaultWidgetHandle)
->OnBoundsChanged(gfx::Rect(0, kDefaultMode.vdisplay,
kDefaultMode.hdisplay,
kDefaultMode.vdisplay));
EXPECT_EQ(2u, GetCursorBuffers(drm).size());
// Make sure the cursor is showing on the new display.
EXPECT_NE(0u, drm->get_cursor_handle_for_crtc(kDefaultCrtc));
}
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