| // 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. |
| |
| #ifndef FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_ |
| #define FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_ |
| |
| #include <Metal/Metal.h> |
| |
| #include "flutter/fml/macros.h" |
| #include "impeller/renderer/backend/metal/blit_command_mtl.h" |
| #include "impeller/renderer/blit_pass.h" |
| |
| namespace impeller { |
| |
| class BlitPassMTL final : public BlitPass { |
| public: |
| // |RenderPass| |
| ~BlitPassMTL() override; |
| |
| private: |
| friend class CommandBufferMTL; |
| |
| std::vector<std::unique_ptr<BlitEncodeMTL>> commands_; |
| id<MTLCommandBuffer> buffer_ = nil; |
| std::string label_; |
| bool is_valid_ = false; |
| |
| explicit BlitPassMTL(id<MTLCommandBuffer> buffer); |
| |
| // |BlitPass| |
| bool IsValid() const override; |
| |
| // |BlitPass| |
| void OnSetLabel(std::string label) override; |
| |
| // |BlitPass| |
| bool EncodeCommands( |
| const std::shared_ptr<Allocator>& transients_allocator) const override; |
| |
| bool EncodeCommands(id<MTLBlitCommandEncoder> pass) const; |
| |
| // |BlitPass| |
| bool OnCopyTextureToTextureCommand(std::shared_ptr<Texture> source, |
| std::shared_ptr<Texture> destination, |
| IRect source_region, |
| IPoint destination_origin, |
| std::string label) override; |
| |
| // |BlitPass| |
| bool OnCopyTextureToBufferCommand(std::shared_ptr<Texture> source, |
| std::shared_ptr<DeviceBuffer> destination, |
| IRect source_region, |
| size_t destination_offset, |
| std::string label) override; |
| // |BlitPass| |
| bool OnCopyBufferToTextureCommand(BufferView source, |
| std::shared_ptr<Texture> destination, |
| IPoint destination_origin, |
| std::string label) override; |
| |
| // |BlitPass| |
| bool OnGenerateMipmapCommand(std::shared_ptr<Texture> texture, |
| std::string label) override; |
| |
| BlitPassMTL(const BlitPassMTL&) = delete; |
| |
| BlitPassMTL& operator=(const BlitPassMTL&) = delete; |
| }; |
| |
| } // namespace impeller |
| |
| #endif // FLUTTER_IMPELLER_RENDERER_BACKEND_METAL_BLIT_PASS_MTL_H_ |