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1 // Copyright 2020 The Tint Authors.
2 //
3 // Licensed under the Apache License, Version 2.0 (the "License");
4 // you may not use this file except in compliance with the License.
5 // You may obtain a copy of the License at
6 //
7 //     http://www.apache.org/licenses/LICENSE-2.0
8 //
9 // Unless required by applicable law or agreed to in writing, software
10 // distributed under the License is distributed on an "AS IS" BASIS,
11 // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12 // See the License for the specific language governing permissions and
13 // limitations under the License.
14 
15 #ifndef SRC_AST_SAMPLED_TEXTURE_H_
16 #define SRC_AST_SAMPLED_TEXTURE_H_
17 
18 #include <string>
19 
20 #include "src/ast/texture.h"
21 
22 namespace tint {
23 namespace ast {
24 
25 /// A sampled texture type.
26 class SampledTexture : public Castable<SampledTexture, Texture> {
27  public:
28   /// Constructor
29   /// @param pid the identifier of the program that owns this node
30   /// @param src the source of this node
31   /// @param dim the dimensionality of the texture
32   /// @param type the data type of the sampled texture
33   SampledTexture(ProgramID pid,
34                  const Source& src,
35                  TextureDimension dim,
36                  const Type* type);
37   /// Move constructor
38   SampledTexture(SampledTexture&&);
39   ~SampledTexture() override;
40 
41   /// @param symbols the program's symbol table
42   /// @returns the name for this type that closely resembles how it would be
43   /// declared in WGSL.
44   std::string FriendlyName(const SymbolTable& symbols) const override;
45 
46   /// Clones this type and all transitive types using the `CloneContext` `ctx`.
47   /// @param ctx the clone context
48   /// @return the newly cloned type
49   const SampledTexture* Clone(CloneContext* ctx) const override;
50 
51   /// The subtype of the sampled texture
52   const Type* const type;
53 };
54 
55 }  // namespace ast
56 }  // namespace tint
57 
58 #endif  // SRC_AST_SAMPLED_TEXTURE_H_
59