| // 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 <string_view> |
| |
| #include "flutter/fml/macros.h" |
| #include "flutter/fml/mapping.h" |
| #include "impeller/core/formats.h" |
| #include "impeller/core/texture_descriptor.h" |
| #include "impeller/geometry/size.h" |
| |
| namespace impeller { |
| |
| class Texture { |
| public: |
| virtual ~Texture(); |
| |
| virtual void SetLabel(std::string_view label) = 0; |
| |
| [[nodiscard]] bool SetContents(const uint8_t* contents, |
| size_t length, |
| size_t slice = 0, |
| bool is_opaque = false); |
| |
| [[nodiscard]] bool SetContents(std::shared_ptr<const fml::Mapping> mapping, |
| size_t slice = 0, |
| bool is_opaque = false); |
| |
| virtual bool IsValid() const = 0; |
| |
| virtual ISize GetSize() const = 0; |
| |
| bool IsOpaque() const; |
| |
| size_t GetMipCount() const; |
| |
| const TextureDescriptor& GetTextureDescriptor() const; |
| |
| void SetIntent(TextureIntent intent); |
| |
| TextureIntent GetIntent() const; |
| |
| virtual Scalar GetYCoordScale() const; |
| |
| bool NeedsMipmapGeneration() const; |
| |
| protected: |
| explicit Texture(TextureDescriptor desc); |
| |
| [[nodiscard]] virtual bool OnSetContents(const uint8_t* contents, |
| size_t length, |
| size_t slice) = 0; |
| |
| [[nodiscard]] virtual bool OnSetContents( |
| std::shared_ptr<const fml::Mapping> mapping, |
| size_t slice) = 0; |
| |
| bool mipmap_generated_ = false; |
| |
| private: |
| TextureIntent intent_ = TextureIntent::kRenderToTexture; |
| const TextureDescriptor desc_; |
| bool is_opaque_ = false; |
| |
| bool IsSliceValid(size_t slice) const; |
| |
| FML_DISALLOW_COPY_AND_ASSIGN(Texture); |
| }; |
| |
| } // namespace impeller |