65 lines
1.9 KiB
C
65 lines
1.9 KiB
C
|
// ----------------------------------------------------------------------------
|
||
|
|
// - Open3D: www.open3d.org -
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
// Copyright (c) 2018-2023 www.open3d.org
|
||
|
|
// SPDX-License-Identifier: MIT
|
||
|
|
// ----------------------------------------------------------------------------
|
||
|
|
|
||
|
|
#pragma once
|
||
|
|
|
||
|
|
#include <string>
|
||
|
|
|
||
|
|
namespace filament {
|
||
|
|
class Engine;
|
||
|
|
}
|
||
|
|
|
||
|
|
namespace open3d {
|
||
|
|
namespace visualization {
|
||
|
|
namespace rendering {
|
||
|
|
|
||
|
|
class FilamentResourceManager;
|
||
|
|
|
||
|
|
class EngineInstance {
|
||
|
|
public:
|
||
|
|
enum class RenderingType { kDefault, kOpenGL, kVulkan, kMetal };
|
||
|
|
|
||
|
|
// Selects backend to use.
|
||
|
|
// Should be called before instance usage.
|
||
|
|
// If not called, platform available default backend will be used.
|
||
|
|
static void SelectBackend(RenderingType type);
|
||
|
|
|
||
|
|
/// Initialize Engine for headless rendering. Must be called before first
|
||
|
|
/// access to the Engine (GetInstance).
|
||
|
|
static void EnableHeadless();
|
||
|
|
|
||
|
|
// Specifies path to load shaders and skyboxes from. Must be called before
|
||
|
|
// instance usage, or default path will be used.
|
||
|
|
static void SetResourcePath(const std::string& resource_path);
|
||
|
|
static const std::string& GetResourcePath();
|
||
|
|
|
||
|
|
static filament::Engine& GetInstance();
|
||
|
|
static FilamentResourceManager& GetResourceManager();
|
||
|
|
|
||
|
|
/// Destroys the singleton instance, to force Filament cleanup at a
|
||
|
|
/// specific time. Calling GetInstance() after this will re-create
|
||
|
|
/// the instance.
|
||
|
|
static void DestroyInstance();
|
||
|
|
|
||
|
|
~EngineInstance();
|
||
|
|
|
||
|
|
private:
|
||
|
|
static EngineInstance& Get();
|
||
|
|
|
||
|
|
EngineInstance();
|
||
|
|
|
||
|
|
static RenderingType type_;
|
||
|
|
static bool is_headless_;
|
||
|
|
static std::string resource_path_;
|
||
|
|
filament::Engine* engine_;
|
||
|
|
FilamentResourceManager* resource_manager_;
|
||
|
|
};
|
||
|
|
|
||
|
|
} // namespace rendering
|
||
|
|
} // namespace visualization
|
||
|
|
} // namespace open3d
|