| // 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 <string> |
| |
| #include "flutter/fml/macros.h" |
| |
| namespace impeller { |
| |
| class ShaderLibrary; |
| class SamplerLibrary; |
| class CommandBuffer; |
| class PipelineLibrary; |
| class Allocator; |
| |
| class Context { |
| public: |
| virtual ~Context(); |
| |
| virtual bool IsValid() const = 0; |
| |
| //---------------------------------------------------------------------------- |
| /// @return An allocator suitable for allocations that persist between |
| /// frames. |
| /// |
| virtual std::shared_ptr<Allocator> GetPermanentsAllocator() const = 0; |
| |
| //---------------------------------------------------------------------------- |
| /// @return An allocator suitable for allocations that used only for one |
| /// frame or render pass. |
| /// |
| virtual std::shared_ptr<Allocator> GetTransientsAllocator() const = 0; |
| |
| virtual std::shared_ptr<ShaderLibrary> GetShaderLibrary() const = 0; |
| |
| virtual std::shared_ptr<SamplerLibrary> GetSamplerLibrary() const = 0; |
| |
| virtual std::shared_ptr<PipelineLibrary> GetPipelineLibrary() const = 0; |
| |
| virtual std::shared_ptr<CommandBuffer> CreateRenderCommandBuffer() const = 0; |
| |
| virtual std::shared_ptr<CommandBuffer> CreateTransferCommandBuffer() |
| const = 0; |
| |
| virtual bool HasThreadingRestrictions() const; |
| |
| protected: |
| Context(); |
| |
| private: |
| FML_DISALLOW_COPY_AND_ASSIGN(Context); |
| }; |
| |
| } // namespace impeller |