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// Copyright 2023 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef ASH_FAST_INK_FAST_INK_HOST_FRAME_UTILS_H_
#define ASH_FAST_INK_FAST_INK_HOST_FRAME_UTILS_H_
#include <memory>
#include <vector>
#include "ash/ash_export.h"
#include "ash/frame_sink/ui_resource.h"
#include "base/memory/raw_ptr.h"
#include "components/viz/common/quads/compositor_frame.h"
#include "gpu/command_buffer/common/shared_image_usage.h"
#include "ui/gfx/geometry/rect.h"
namespace viz {
class CompositorFrame;
} // namespace viz
namespace gfx {
class Size;
} // namespace gfx
namespace gpu {
class ClientSharedImage;
}
namespace aura {
class Window;
} // namespace aura
namespace ash {
class UiResourceManager;
namespace fast_ink_internal {
inline constexpr viz::SharedImageFormat kFastInkSharedImageFormat =
SK_B32_SHIFT ? viz::SinglePlaneFormat::kRGBA_8888
: viz::SinglePlaneFormat::kBGRA_8888;
inline constexpr UiSourceId kFastInkUiSourceId = 1u;
// Converts the rect in window's coordinate to the buffer's coordinate. If the
// window is rotated, the window_rect will also be rotated, for example. The
// size is clamped by `buffer_size` to ensure it does not exceeds the buffer
// size.
ASH_EXPORT gfx::Rect BufferRectFromWindowRect(
const gfx::Transform& window_to_buffer_transform,
const gfx::Size& buffer_size,
const gfx::Rect& window_rect);
// Creates a Mappable SharedImage of given `size`, `shared_image_usage`, and
// `buffer_usage`. The returned ClientSharedImage will be null if creation
// failed.
ASH_EXPORT scoped_refptr<gpu::ClientSharedImage> CreateMappableSharedImage(
const gfx::Size& size,
gpu::SharedImageUsageSet shared_image_usage,
gfx::BufferUsage buffer_usage);
// Creates a UiResource of a given `size` and `format` using the SharedImage
// that `mailbox` (which must be non-zero) is referencing. The created
// UiResource does not own that SharedImage.
ASH_EXPORT std::unique_ptr<UiResource> CreateUiResource(
const gfx::Size& size,
UiSourceId ui_source_id,
bool is_overlay_candidate,
gpu::Mailbox mailbox,
gpu::SyncToken sync_token);
// Creates and configures a compositor frame. Uses the SharedImage that
// `shared_image` (which must be non-null) is referencing. The created
// UiResource does not own that SharedImage.
ASH_EXPORT std::unique_ptr<viz::CompositorFrame> CreateCompositorFrame(
const viz::BeginFrameAck& begin_frame_ack,
const gfx::Rect& content_rect,
const gfx::Rect& total_damage_rect,
bool auto_update,
const aura::Window& host_window,
const gfx::Size& buffer_size,
UiResourceManager* resource_manager,
const scoped_refptr<gpu::ClientSharedImage>& shared_image,
gpu::SyncToken sync_token);
// Returns the RasterContextProvider used within FastInk.
ASH_EXPORT scoped_refptr<viz::RasterContextProvider> GetContextProvider();
} // namespace fast_ink_internal
} // namespace ash
#endif // ASH_FAST_INK_FAST_INK_HOST_FRAME_UTILS_H_
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