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// Copyright 2015 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 "components/exo/display.h"
#include <iterator>
#include <memory>
#include <utility>
#include "base/command_line.h"
#include "base/trace_event/trace_event.h"
#include "base/trace_event/traced_value.h"
#include "build/build_config.h"
#include "components/exo/data_device.h"
#include "components/exo/file_helper.h"
#include "components/exo/input_method_surface_manager.h"
#include "components/exo/notification_surface.h"
#include "components/exo/notification_surface_manager.h"
#include "components/exo/shared_memory.h"
#include "components/exo/sub_surface.h"
#include "components/exo/surface.h"
#include "ui/gfx/linux/client_native_pixmap_factory_dmabuf.h"
#include "ui/views/widget/widget.h"
#include "ui/wm/core/coordinate_conversion.h"
#if defined(USE_OZONE)
#include <GLES2/gl2extchromium.h>
#include "components/exo/buffer.h"
#include "gpu/command_buffer/common/gpu_memory_buffer_support.h"
#include "gpu/ipc/common/gpu_memory_buffer_impl_native_pixmap.h"
#include "third_party/khronos/GLES2/gl2.h"
#include "third_party/khronos/GLES2/gl2ext.h"
#include "ui/ozone/public/ozone_switches.h"
#endif
#if defined(OS_CHROMEOS)
#include "ash/public/cpp/shell_window_ids.h"
#include "ash/wm/desks/desks_util.h"
#include "components/exo/client_controlled_shell_surface.h"
#include "components/exo/input_method_surface.h"
#include "components/exo/shell_surface.h"
#include "components/exo/xdg_shell_surface.h"
#endif
namespace exo {
////////////////////////////////////////////////////////////////////////////////
// Display, public:
Display::Display()
#if defined(USE_OZONE)
: client_native_pixmap_factory_(
gfx::CreateClientNativePixmapFactoryDmabuf())
#endif
{
}
#if defined(OS_CHROMEOS)
Display::Display(NotificationSurfaceManager* notification_surface_manager,
InputMethodSurfaceManager* input_method_surface_manager,
std::unique_ptr<FileHelper> file_helper)
: Display() {
file_helper_ = std::move(file_helper);
notification_surface_manager_ = notification_surface_manager;
input_method_surface_manager_ = input_method_surface_manager;
}
#endif // defined(OS_CHROMEOS)
Display::~Display() {}
std::unique_ptr<Surface> Display::CreateSurface() {
TRACE_EVENT0("exo", "Display::CreateSurface");
return std::make_unique<Surface>();
}
std::unique_ptr<SharedMemory> Display::CreateSharedMemory(
base::UnsafeSharedMemoryRegion shared_memory_region) {
TRACE_EVENT1("exo", "Display::CreateSharedMemory", "size",
shared_memory_region.GetSize());
if (!shared_memory_region.IsValid())
return nullptr;
return std::make_unique<SharedMemory>(std::move(shared_memory_region));
}
#if defined(USE_OZONE)
std::unique_ptr<Buffer> Display::CreateLinuxDMABufBuffer(
const gfx::Size& size,
gfx::BufferFormat format,
gfx::NativePixmapHandle handle,
bool y_invert) {
TRACE_EVENT1("exo", "Display::CreateLinuxDMABufBuffer", "size",
size.ToString());
gfx::GpuMemoryBufferHandle gmb_handle;
gmb_handle.type = gfx::NATIVE_PIXMAP;
gmb_handle.native_pixmap_handle = std::move(handle);
std::unique_ptr<gfx::GpuMemoryBuffer> gpu_memory_buffer =
gpu::GpuMemoryBufferImplNativePixmap::CreateFromHandle(
client_native_pixmap_factory_.get(), std::move(gmb_handle), size,
format, gfx::BufferUsage::GPU_READ,
gpu::GpuMemoryBufferImpl::DestructionCallback());
if (!gpu_memory_buffer) {
LOG(ERROR) << "Failed to create GpuMemoryBuffer from handle";
return nullptr;
}
// Using zero-copy for optimal performance.
bool use_zero_copy = true;
#if defined(ARCH_CPU_X86_FAMILY)
// TODO(dcastagna): Re-enable NV12 format as HW overlay once b/113362843
// is addressed.
bool is_overlay_candidate = format != gfx::BufferFormat::YUV_420_BIPLANAR;
#else
bool is_overlay_candidate = true;
#endif
return std::make_unique<Buffer>(
std::move(gpu_memory_buffer),
gpu::NativeBufferNeedsPlatformSpecificTextureTarget(format)
? gpu::GetPlatformSpecificTextureTarget()
: GL_TEXTURE_2D,
// COMMANDS_COMPLETED queries are required by native pixmaps.
GL_COMMANDS_COMPLETED_CHROMIUM, use_zero_copy, is_overlay_candidate,
y_invert);
}
#endif // defined(USE_OZONE)
#if defined(OS_CHROMEOS)
std::unique_ptr<ShellSurface> Display::CreateShellSurface(Surface* surface) {
TRACE_EVENT1("exo", "Display::CreateShellSurface", "surface",
surface->AsTracedValue());
if (surface->HasSurfaceDelegate()) {
DLOG(ERROR) << "Surface has already been assigned a role";
return nullptr;
}
return std::make_unique<ShellSurface>(
surface, gfx::Point(), true /* activatable */, false /* can_minimize */,
ash::desks_util::GetActiveDeskContainerId());
}
std::unique_ptr<XdgShellSurface> Display::CreateXdgShellSurface(
Surface* surface) {
TRACE_EVENT1("exo", "Display::CreateXdgShellSurface", "surface",
surface->AsTracedValue());
if (surface->HasSurfaceDelegate()) {
DLOG(ERROR) << "Surface has already been assigned a role";
return nullptr;
}
return std::make_unique<XdgShellSurface>(
surface, gfx::Point(), true /* activatable */, false /* can_minimize */,
ash::desks_util::GetActiveDeskContainerId());
}
std::unique_ptr<ClientControlledShellSurface>
Display::CreateClientControlledShellSurface(
Surface* surface,
int container,
double default_device_scale_factor) {
TRACE_EVENT2("exo", "Display::CreateRemoteShellSurface", "surface",
surface->AsTracedValue(), "container", container);
if (surface->HasSurfaceDelegate()) {
DLOG(ERROR) << "Surface has already been assigned a role";
return nullptr;
}
// Remote shell surfaces in system modal container cannot be minimized.
bool can_minimize = container != ash::kShellWindowId_SystemModalContainer;
std::unique_ptr<ClientControlledShellSurface> shell_surface(
std::make_unique<ClientControlledShellSurface>(surface, can_minimize,
container));
DCHECK_GE(default_device_scale_factor, 1.0);
shell_surface->SetScale(default_device_scale_factor);
shell_surface->CommitPendingScale();
return shell_surface;
}
std::unique_ptr<NotificationSurface> Display::CreateNotificationSurface(
Surface* surface,
const std::string& notification_key) {
TRACE_EVENT2("exo", "Display::CreateNotificationSurface", "surface",
surface->AsTracedValue(), "notification_key", notification_key);
if (!notification_surface_manager_ ||
notification_surface_manager_->GetSurface(notification_key)) {
DLOG(ERROR) << "Invalid notification key, key=" << notification_key;
return nullptr;
}
return std::make_unique<NotificationSurface>(notification_surface_manager_,
surface, notification_key);
}
std::unique_ptr<InputMethodSurface> Display::CreateInputMethodSurface(
Surface* surface,
double default_device_scale_factor) {
TRACE_EVENT1("exo", "Display::CreateInputMethodSurface", "surface",
surface->AsTracedValue());
if (!input_method_surface_manager_) {
DLOG(ERROR) << "Input method surface cannot be registered";
return nullptr;
}
if (surface->HasSurfaceDelegate()) {
DLOG(ERROR) << "Surface has already been assigned a role";
return nullptr;
}
return std::make_unique<InputMethodSurface>(
input_method_surface_manager_, surface, default_device_scale_factor);
}
#endif // defined(OS_CHROMEOS)
std::unique_ptr<SubSurface> Display::CreateSubSurface(Surface* surface,
Surface* parent) {
TRACE_EVENT2("exo", "Display::CreateSubSurface", "surface",
surface->AsTracedValue(), "parent", parent->AsTracedValue());
if (surface->window()->Contains(parent->window())) {
DLOG(ERROR) << "Parent is contained within surface's hierarchy";
return nullptr;
}
if (surface->HasSurfaceDelegate()) {
DLOG(ERROR) << "Surface has already been assigned a role";
return nullptr;
}
return std::make_unique<SubSurface>(surface, parent);
}
std::unique_ptr<DataDevice> Display::CreateDataDevice(
DataDeviceDelegate* delegate) {
return std::make_unique<DataDevice>(delegate, &seat_, file_helper_.get());
}
} // namespace exo
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