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// Copyright 2017 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#include "ui/gfx/mojom/ca_layer_params_mojom_traits.h"
#include "build/build_config.h"
#include "mojo/public/cpp/system/platform_handle.h"
#include "ui/gfx/geometry/mojom/geometry_mojom_traits.h"
namespace mojo {
gfx::mojom::CALayerContentPtr
StructTraits<gfx::mojom::CALayerParamsDataView, gfx::CALayerParams>::content(
const gfx::CALayerParams& ca_layer_params) {
#if BUILDFLAG(IS_APPLE)
if (ca_layer_params.io_surface_mach_port) {
DCHECK(!ca_layer_params.ca_context_id);
return gfx::mojom::CALayerContent::NewIoSurfaceMachPort(
mojo::PlatformHandle(base::apple::RetainMachSendRight(
ca_layer_params.io_surface_mach_port.get())));
}
#endif
return gfx::mojom::CALayerContent::NewCaContextId(
ca_layer_params.ca_context_id);
}
bool StructTraits<gfx::mojom::CALayerParamsDataView, gfx::CALayerParams>::Read(
gfx::mojom::CALayerParamsDataView data,
gfx::CALayerParams* out) {
out->is_empty = data.is_empty();
gfx::mojom::CALayerContentDataView content_data;
data.GetContentDataView(&content_data);
switch (content_data.tag()) {
case gfx::mojom::CALayerContentDataView::Tag::kCaContextId:
out->ca_context_id = content_data.ca_context_id();
break;
case gfx::mojom::CALayerContentDataView::Tag::kIoSurfaceMachPort:
#if BUILDFLAG(IS_APPLE)
mojo::PlatformHandle platform_handle =
content_data.TakeIoSurfaceMachPort();
if (!platform_handle.is_mach_send())
return false;
out->io_surface_mach_port.reset(platform_handle.ReleaseMachSendRight());
break;
#else
return false;
#endif
}
if (!data.ReadPixelSize(&out->pixel_size))
return false;
out->scale_factor = data.scale_factor();
return true;
}
} // namespace mojo
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