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// Copyright 2013 The Flutter Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#pragma once
#include <optional>
#include <vector>
#include "flutter/display_list/dl_vertices.h"
#include "impeller/entity/geometry/vertices_geometry.h"
#include "impeller/geometry/color.h"
#include "impeller/geometry/point.h"
#include "impeller/geometry/rect.h"
namespace impeller {
/// @brief A geometry that is created from a vertices object.
class DlVerticesGeometry : public VerticesGeometry {
public:
explicit DlVerticesGeometry(const flutter::DlVertices* vertices);
~DlVerticesGeometry();
static std::shared_ptr<VerticesGeometry> MakeVertices(
const flutter::DlVertices* vertices);
// |VerticesGeometry|
GeometryResult GetPositionColorBuffer(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) override;
// |VerticesGeometry|
GeometryResult GetPositionUVBuffer(Rect texture_coverage,
Matrix effect_transform,
const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) override;
// |Geometry|
GeometryResult GetPositionBuffer(const ContentContext& renderer,
const Entity& entity,
RenderPass& pass) override;
// |Geometry|
std::optional<Rect> GetCoverage(const Matrix& transform) const override;
// |Geometry|
GeometryVertexType GetVertexType() const override;
// |VerticesGeometry|
bool HasVertexColors() const override;
// |VerticesGeometry|
bool HasTextureCoordinates() const override;
// |VerticesGeometry|
std::optional<Rect> GetTextureCoordinateCoverge() const override;
private:
void NormalizeIndices();
const flutter::DlVertices* vertices_;
std::vector<uint16_t> normalized_indices_;
FML_DISALLOW_COPY_AND_ASSIGN(DlVerticesGeometry);
};
} // namespace impeller