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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 "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/SkDevice.h"
#include "ui/ozone/platform/drm/gpu/crtc_controller.h"
#include "ui/ozone/platform/drm/gpu/drm_buffer.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_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"
namespace {
// Create a basic mode for a 6x4 screen.
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 size_t kPlanesPerCrtc = 1;
const uint32_t kDefaultCursorSize = 64;
} // namespace
class DrmSurfaceTest : public testing::Test {
public:
DrmSurfaceTest() {}
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_;
scoped_ptr<ui::DrmSurface> surface_;
private:
DISALLOW_COPY_AND_ASSIGN(DrmSurfaceTest);
};
void DrmSurfaceTest::SetUp() {
message_loop_.reset(new base::MessageLoopForUI);
std::vector<uint32_t> crtcs;
crtcs.push_back(kDefaultCrtc);
drm_ = new ui::MockDrmDevice(true, crtcs, kPlanesPerCrtc);
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(drm_));
scoped_ptr<ui::DrmWindow> window(new ui::DrmWindow(
kDefaultWidgetHandle, drm_device_manager_.get(), screen_manager_.get()));
window->Initialize();
window->OnBoundsChanged(
gfx::Rect(gfx::Size(kDefaultMode.hdisplay, kDefaultMode.vdisplay)));
screen_manager_->AddWindow(kDefaultWidgetHandle, window.Pass());
surface_.reset(
new ui::DrmSurface(screen_manager_->GetWindow(kDefaultWidgetHandle)));
surface_->ResizeCanvas(
gfx::Size(kDefaultMode.hdisplay, kDefaultMode.vdisplay));
}
void DrmSurfaceTest::TearDown() {
surface_.reset();
scoped_ptr<ui::DrmWindow> window =
screen_manager_->RemoveWindow(kDefaultWidgetHandle);
window->Shutdown();
drm_ = nullptr;
message_loop_.reset();
}
TEST_F(DrmSurfaceTest, CheckFBIDOnSwap) {
surface_->PresentCanvas(gfx::Rect());
// Framebuffer ID 1 is allocated in SetUp for the buffer used to modeset.
EXPECT_EQ(3u, drm_->current_framebuffer());
surface_->PresentCanvas(gfx::Rect());
EXPECT_EQ(2u, drm_->current_framebuffer());
}
TEST_F(DrmSurfaceTest, CheckSurfaceContents) {
SkPaint paint;
paint.setColor(SK_ColorWHITE);
SkRect rect =
SkRect::MakeWH(kDefaultMode.hdisplay / 2, kDefaultMode.vdisplay / 2);
surface_->GetSurface()->getCanvas()->drawRect(rect, paint);
surface_->PresentCanvas(
gfx::Rect(0, 0, kDefaultMode.hdisplay / 2, kDefaultMode.vdisplay / 2));
SkBitmap image;
std::vector<skia::RefPtr<SkSurface>> framebuffers;
for (const auto& buffer : drm_->buffers()) {
// Skip cursor buffers.
if (buffer->width() == kDefaultCursorSize &&
buffer->height() == kDefaultCursorSize)
continue;
framebuffers.push_back(buffer);
}
// Buffer 0 is the modesetting buffer, buffer 1 is the frontbuffer and buffer
// 2 is the backbuffer.
EXPECT_EQ(3u, framebuffers.size());
image.setInfo(framebuffers[2]->getCanvas()->imageInfo());
EXPECT_TRUE(framebuffers[2]->getCanvas()->readPixels(&image, 0, 0));
EXPECT_EQ(kDefaultMode.hdisplay, image.width());
EXPECT_EQ(kDefaultMode.vdisplay, image.height());
// Make sure the updates are correctly propagated to the native surface.
for (int i = 0; i < image.height(); ++i) {
for (int j = 0; j < image.width(); ++j) {
if (j < kDefaultMode.hdisplay / 2 && i < kDefaultMode.vdisplay / 2)
EXPECT_EQ(SK_ColorWHITE, image.getColor(j, i));
else
EXPECT_EQ(SK_ColorBLACK, image.getColor(j, i));
}
}
}
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