Move content/common/gpu/client to gpu/ipc/client

content/common/gpu/client/gpu_memory_buffer_impl_io_surface.cc

-// Copyright 2013 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 "content/common/gpu/client/gpu_memory_buffer_impl_io_surface.h"
-
-#include "base/logging.h"
-#include "gpu/ipc/common/gpu_memory_buffer_support.h"
-#include "ui/gfx/buffer_format_util.h"
-#include "ui/gfx/mac/io_surface.h"
-
-namespace content {
-namespace {
-
-uint32_t LockFlags(gfx::BufferUsage usage) {
-  switch (usage) {
-    case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE:
-      return kIOSurfaceLockAvoidSync;
-    case gfx::BufferUsage::GPU_READ:
-    case gfx::BufferUsage::SCANOUT:
-    case gfx::BufferUsage::GPU_READ_CPU_READ_WRITE_PERSISTENT:
-      return 0;
-  }
-  NOTREACHED();
-  return 0;
-}
-
-void NoOp() {
-}
-
-}  // namespace
-
-GpuMemoryBufferImplIOSurface::GpuMemoryBufferImplIOSurface(
-    gfx::GpuMemoryBufferId id,
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    const DestructionCallback& callback,
-    IOSurfaceRef io_surface,
-    uint32_t lock_flags)
-    : GpuMemoryBufferImpl(id, size, format, callback),
-      io_surface_(io_surface),
-      lock_flags_(lock_flags) {}
-
-GpuMemoryBufferImplIOSurface::~GpuMemoryBufferImplIOSurface() {
-}
-
-// static
-scoped_ptr<GpuMemoryBufferImplIOSurface>
-GpuMemoryBufferImplIOSurface::CreateFromHandle(
-    const gfx::GpuMemoryBufferHandle& handle,
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage,
-    const DestructionCallback& callback) {
-  base::ScopedCFTypeRef<IOSurfaceRef> io_surface(
-      IOSurfaceLookupFromMachPort(handle.mach_port.get()));
-  if (!io_surface)
-    return nullptr;
-
-  return make_scoped_ptr(
-      new GpuMemoryBufferImplIOSurface(handle.id, size, format, callback,
-                                       io_surface.release(), LockFlags(usage)));
-}
-
-// static
-bool GpuMemoryBufferImplIOSurface::IsConfigurationSupported(
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage) {
-  return gpu::IsNativeGpuMemoryBufferConfigurationSupported(format, usage);
-}
-
-// static
-base::Closure GpuMemoryBufferImplIOSurface::AllocateForTesting(
-    const gfx::Size& size,
-    gfx::BufferFormat format,
-    gfx::BufferUsage usage,
-    gfx::GpuMemoryBufferHandle* handle) {
-  base::ScopedCFTypeRef<IOSurfaceRef> io_surface(
-      gfx::CreateIOSurface(size, format));
-  DCHECK(io_surface);
-  gfx::GpuMemoryBufferId kBufferId(1);
-  handle->type = gfx::IO_SURFACE_BUFFER;
-  handle->id = kBufferId;
-  handle->mach_port.reset(IOSurfaceCreateMachPort(io_surface));
-  return base::Bind(&NoOp);
-}
-
-bool GpuMemoryBufferImplIOSurface::Map() {
-  DCHECK(!mapped_);
-  IOReturn status = IOSurfaceLock(io_surface_, lock_flags_, NULL);
-  DCHECK_NE(status, kIOReturnCannotLock);
-  mapped_ = true;
-  return true;
-}
-
-void* GpuMemoryBufferImplIOSurface::memory(size_t plane) {
-  DCHECK(mapped_);
-  DCHECK_LT(plane, gfx::NumberOfPlanesForBufferFormat(format_));
-  return IOSurfaceGetBaseAddressOfPlane(io_surface_, plane);
-}
-
-void GpuMemoryBufferImplIOSurface::Unmap() {
-  DCHECK(mapped_);
-  IOSurfaceUnlock(io_surface_, lock_flags_, NULL);
-  mapped_ = false;
-}
-
-bool GpuMemoryBufferImplIOSurface::IsInUseByMacOSWindowServer() const {
-  return IOSurfaceIsInUse(io_surface_);
-}
-
-int GpuMemoryBufferImplIOSurface::stride(size_t plane) const {
-  DCHECK_LT(plane, gfx::NumberOfPlanesForBufferFormat(format_));
-  return IOSurfaceGetBytesPerRowOfPlane(io_surface_, plane);
-}
-
-gfx::GpuMemoryBufferHandle GpuMemoryBufferImplIOSurface::GetHandle() const {
-  gfx::GpuMemoryBufferHandle handle;
-  handle.type = gfx::IO_SURFACE_BUFFER;
-  handle.id = id_;
-  return handle;
-}
-
-}  // namespace content