blob: 711ed04702e8cd903d2cadfdaf2c14f5b9598967 [file] [log] [blame]
// 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 "ui/ozone/platform/drm/gpu/gbm_surface_factory.h"
#include <gbm.h>
#include "base/files/file_path.h"
#include "base/memory/ptr_util.h"
#include "build/build_config.h"
#include "third_party/khronos/EGL/egl.h"
#include "ui/gfx/buffer_format_util.h"
#include "ui/ozone/common/egl_util.h"
#include "ui/ozone/platform/drm/common/drm_util.h"
#include "ui/ozone/platform/drm/gpu/drm_thread_proxy.h"
#include "ui/ozone/platform/drm/gpu/drm_window_proxy.h"
#include "ui/ozone/platform/drm/gpu/gbm_buffer.h"
#include "ui/ozone/platform/drm/gpu/gbm_surfaceless.h"
#include "ui/ozone/platform/drm/gpu/proxy_helpers.h"
#include "ui/ozone/platform/drm/gpu/screen_manager.h"
#include "ui/ozone/public/native_pixmap.h"
#include "ui/ozone/public/surface_ozone_canvas.h"
#include "ui/ozone/public/surface_ozone_egl.h"
namespace ui {
GbmSurfaceFactory::GbmSurfaceFactory(DrmThreadProxy* drm_thread)
: drm_thread_(drm_thread) {}
GbmSurfaceFactory::~GbmSurfaceFactory() {
DCHECK(thread_checker_.CalledOnValidThread());
}
void GbmSurfaceFactory::RegisterSurface(gfx::AcceleratedWidget widget,
GbmSurfaceless* surface) {
DCHECK(thread_checker_.CalledOnValidThread());
widget_to_surface_map_.insert(std::make_pair(widget, surface));
}
void GbmSurfaceFactory::UnregisterSurface(gfx::AcceleratedWidget widget) {
DCHECK(thread_checker_.CalledOnValidThread());
widget_to_surface_map_.erase(widget);
}
GbmSurfaceless* GbmSurfaceFactory::GetSurface(
gfx::AcceleratedWidget widget) const {
DCHECK(thread_checker_.CalledOnValidThread());
auto it = widget_to_surface_map_.find(widget);
DCHECK(it != widget_to_surface_map_.end());
return it->second;
}
intptr_t GbmSurfaceFactory::GetNativeDisplay() {
DCHECK(thread_checker_.CalledOnValidThread());
return EGL_DEFAULT_DISPLAY;
}
bool GbmSurfaceFactory::LoadEGLGLES2Bindings(
AddGLLibraryCallback add_gl_library,
SetGLGetProcAddressProcCallback set_gl_get_proc_address) {
DCHECK(thread_checker_.CalledOnValidThread());
return LoadDefaultEGLGLES2Bindings(add_gl_library, set_gl_get_proc_address);
}
std::unique_ptr<SurfaceOzoneCanvas> GbmSurfaceFactory::CreateCanvasForWidget(
gfx::AcceleratedWidget widget) {
DCHECK(thread_checker_.CalledOnValidThread());
LOG(ERROR) << "Software rendering mode is not supported with GBM platform";
return nullptr;
}
std::unique_ptr<SurfaceOzoneEGL> GbmSurfaceFactory::CreateEGLSurfaceForWidget(
gfx::AcceleratedWidget widget) {
NOTREACHED();
return nullptr;
}
std::unique_ptr<SurfaceOzoneEGL>
GbmSurfaceFactory::CreateSurfacelessEGLSurfaceForWidget(
gfx::AcceleratedWidget widget) {
DCHECK(thread_checker_.CalledOnValidThread());
return base::WrapUnique(
new GbmSurfaceless(drm_thread_->CreateDrmWindowProxy(widget), this));
}
std::vector<gfx::BufferFormat> GbmSurfaceFactory::GetScanoutFormats(
gfx::AcceleratedWidget widget) {
std::vector<gfx::BufferFormat> scanout_formats;
drm_thread_->GetScanoutFormats(widget, &scanout_formats);
return scanout_formats;
}
scoped_refptr<ui::NativePixmap> GbmSurfaceFactory::CreateNativePixmap(
gfx::AcceleratedWidget widget,
gfx::Size size,
gfx::BufferFormat format,
gfx::BufferUsage usage) {
#if !defined(OS_CHROMEOS)
// Support for memory mapping accelerated buffers requires some
// CrOS-specific patches (using dma-buf mmap API).
DCHECK(gfx::BufferUsage::SCANOUT == usage);
#endif
scoped_refptr<GbmBuffer> buffer =
drm_thread_->CreateBuffer(widget, size, format, usage);
if (!buffer.get())
return nullptr;
return make_scoped_refptr(new GbmPixmap(this, buffer));
}
scoped_refptr<ui::NativePixmap> GbmSurfaceFactory::CreateNativePixmapFromHandle(
gfx::Size size,
gfx::BufferFormat format,
const gfx::NativePixmapHandle& handle) {
size_t planes = gfx::NumberOfPlanesForBufferFormat(format);
if (handle.strides_and_offsets.size() != planes ||
(handle.fds.size() != 1 && handle.fds.size() != planes)) {
return nullptr;
}
std::vector<base::ScopedFD> scoped_fds;
for (auto& fd : handle.fds) {
scoped_fds.emplace_back(fd.fd);
}
std::vector<int> strides;
std::vector<int> offsets;
for (const auto& stride_and_offset : handle.strides_and_offsets) {
strides.push_back(stride_and_offset.first);
offsets.push_back(stride_and_offset.second);
}
scoped_refptr<GbmBuffer> buffer = drm_thread_->CreateBufferFromFds(
size, format, std::move(scoped_fds), strides, offsets);
if (!buffer)
return nullptr;
return make_scoped_refptr(new GbmPixmap(this, buffer));
}
} // namespace ui