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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 <memory>
#include "flutter/fml/macros.h"
#include "impeller/geometry/matrix.h"
#include "impeller/geometry/vector.h"
#include "impeller/renderer/allocator.h"
#include "impeller/renderer/command.h"
#include "impeller/renderer/device_buffer.h"
#include "impeller/renderer/host_buffer.h"
#include "impeller/renderer/vertex_buffer.h"
#include "impeller/scene/importer/scene_flatbuffers.h"
#include "impeller/scene/pipeline_key.h"
#include "impeller/scene/scene_context.h"
namespace impeller {
namespace scene {
class CuboidGeometry;
class UnskinnedVertexBufferGeometry;
class Geometry {
public:
virtual ~Geometry();
static std::shared_ptr<CuboidGeometry> MakeCuboid(Vector3 size);
static std::shared_ptr<Geometry> MakeVertexBuffer(VertexBuffer vertex_buffer,
bool is_skinned);
static std::shared_ptr<Geometry> MakeFromFlatbuffer(
const fb::MeshPrimitive& mesh,
Allocator& allocator);
virtual GeometryType GetGeometryType() const = 0;
virtual VertexBuffer GetVertexBuffer(Allocator& allocator) const = 0;
virtual void BindToCommand(const SceneContext& scene_context,
HostBuffer& buffer,
const Matrix& transform,
Command& command) const = 0;
virtual void SetJointsTexture(const std::shared_ptr<Texture>& texture);
};
class CuboidGeometry final : public Geometry {
public:
CuboidGeometry();
~CuboidGeometry() override;
void SetSize(Vector3 size);
// |Geometry|
GeometryType GetGeometryType() const override;
// |Geometry|
VertexBuffer GetVertexBuffer(Allocator& allocator) const override;
// |Geometry|
void BindToCommand(const SceneContext& scene_context,
HostBuffer& buffer,
const Matrix& transform,
Command& command) const override;
private:
Vector3 size_;
FML_DISALLOW_COPY_AND_ASSIGN(CuboidGeometry);
};
class UnskinnedVertexBufferGeometry final : public Geometry {
public:
UnskinnedVertexBufferGeometry();
~UnskinnedVertexBufferGeometry() override;
void SetVertexBuffer(VertexBuffer vertex_buffer);
// |Geometry|
GeometryType GetGeometryType() const override;
// |Geometry|
VertexBuffer GetVertexBuffer(Allocator& allocator) const override;
// |Geometry|
void BindToCommand(const SceneContext& scene_context,
HostBuffer& buffer,
const Matrix& transform,
Command& command) const override;
private:
VertexBuffer vertex_buffer_;
FML_DISALLOW_COPY_AND_ASSIGN(UnskinnedVertexBufferGeometry);
};
class SkinnedVertexBufferGeometry final : public Geometry {
public:
SkinnedVertexBufferGeometry();
~SkinnedVertexBufferGeometry() override;
void SetVertexBuffer(VertexBuffer vertex_buffer);
// |Geometry|
GeometryType GetGeometryType() const override;
// |Geometry|
VertexBuffer GetVertexBuffer(Allocator& allocator) const override;
// |Geometry|
void BindToCommand(const SceneContext& scene_context,
HostBuffer& buffer,
const Matrix& transform,
Command& command) const override;
// |Geometry|
void SetJointsTexture(const std::shared_ptr<Texture>& texture) override;
private:
VertexBuffer vertex_buffer_;
std::shared_ptr<Texture> joints_texture_;
FML_DISALLOW_COPY_AND_ASSIGN(SkinnedVertexBufferGeometry);
};
} // namespace scene
} // namespace impeller