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// Copyright 2024 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef UI_OZONE_PLATFORM_DRM_COMMON_TILE_PROPERTY_H_
#define UI_OZONE_PLATFORM_DRM_COMMON_TILE_PROPERTY_H_
#include "ui/gfx/geometry/point.h"
#include "ui/gfx/geometry/size.h"
namespace ui {
// Properties of a tiled display, comprised of multiple tiles each with their
// own connector. Tiles are typically individual physical panels that are laid
// out in a specific way (usually in a single phsyical enclosure) to create a
// single, tiled display.
//
// For example, below is a representation of a tiled display with a 2x2
// |tile_layout|:
//
// |tile_size|.w
// +---------+
//
// + +---------+---------+ +
// | | | | |
// |tile_size|.h | | (0,0) | (1,0) | |
// | | | | |
// + +---------+---------+ + |tile_size|.h
// | | | | * |tile_layout|.h
// | (0,1) | (1,1) | |
// | | | |
// +---------+---------+ +
//
// +---------+---------+
// |total_size|.w * |tile_layout|.w
//
// Where |location| of each tiles are represented by (x, y) in each of the boxes
// above.
struct TileProperty {
// ID that group tiles belonging to the same display.
int group_id = 0;
// If true, contents of the tile will scale to fit the entire display
// when this tile is the only tile being transmitted.
// Described as one of the "tile capabilities" in the DisplayID tiled display
// blocks (both v1.3 and v2.0).
bool scale_to_fit_display = false;
// Resolution of the individual tile (not the entire tiled display).
gfx::Size tile_size;
// Dimensions of the tiles in the group.
gfx::Size tile_layout;
// The physical location of the tile in the display where tiles are laid out
// in a grid described by |tile_layout|. The top-leftmost tile is (0,0).
gfx::Point location;
};
} // namespace ui
#endif // UI_OZONE_PLATFORM_DRM_COMMON_TILE_PROPERTY_H_
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