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8648120bbe
And remove a whole load of const_cast hackery. Semantic nodes may contain internally mutable fields (although only ever modified during resolving), so these are always passed by `const` pointer. While all AST nodes are internally immutable, we have decided that pointers to AST nodes should also be marked `const`, for consistency. There's still a collection of const_cast calls in the Resolver. These will be fixed up in a later change. Bug: tint:745 Change-Id: I046309b8e586772605fc0fe6b2d27f28806d40ef Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/66606 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@chromium.org> Reviewed-by: David Neto <dneto@google.com>
123 lines
3.2 KiB
C++
123 lines
3.2 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#ifndef SRC_AST_STORAGE_TEXTURE_H_
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#define SRC_AST_STORAGE_TEXTURE_H_
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#include <string>
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#include "src/ast/access.h"
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#include "src/ast/texture.h"
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namespace tint {
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namespace ast {
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class Manager;
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/// The image format in the storage texture
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enum class ImageFormat {
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kNone = -1,
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kR8Unorm,
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kR8Snorm,
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kR8Uint,
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kR8Sint,
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kR16Uint,
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kR16Sint,
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kR16Float,
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kRg8Unorm,
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kRg8Snorm,
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kRg8Uint,
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kRg8Sint,
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kR32Uint,
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kR32Sint,
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kR32Float,
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kRg16Uint,
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kRg16Sint,
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kRg16Float,
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kRgba8Unorm,
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kRgba8UnormSrgb,
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kRgba8Snorm,
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kRgba8Uint,
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kRgba8Sint,
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kBgra8Unorm,
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kBgra8UnormSrgb,
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kRgb10A2Unorm,
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kRg11B10Float,
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kRg32Uint,
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kRg32Sint,
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kRg32Float,
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kRgba16Uint,
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kRgba16Sint,
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kRgba16Float,
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kRgba32Uint,
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kRgba32Sint,
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kRgba32Float,
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};
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/// @param out the std::ostream to write to
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/// @param format the ImageFormat
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/// @return the std::ostream so calls can be chained
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std::ostream& operator<<(std::ostream& out, ImageFormat format);
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/// A storage texture type.
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class StorageTexture : public Castable<StorageTexture, Texture> {
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public:
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/// Constructor
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/// @param pid the identifier of the program that owns this node
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/// @param src the source of this node
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/// @param dim the dimensionality of the texture
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/// @param format the image format of the texture
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/// @param subtype the storage subtype. Use SubtypeFor() to calculate this.
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/// @param access_control the access control for the texture.
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StorageTexture(ProgramID pid,
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const Source& src,
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TextureDimension dim,
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ImageFormat format,
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const Type* subtype,
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Access access_control);
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/// Move constructor
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StorageTexture(StorageTexture&&);
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~StorageTexture() override;
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/// @param symbols the program's symbol table
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/// @returns the name for this type that closely resembles how it would be
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/// declared in WGSL.
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std::string FriendlyName(const SymbolTable& symbols) const override;
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/// Clones this type and all transitive types using the `CloneContext` `ctx`.
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/// @param ctx the clone context
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/// @return the newly cloned type
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const StorageTexture* Clone(CloneContext* ctx) const override;
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/// @param format the storage texture image format
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/// @param builder the ProgramBuilder used to build the returned type
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/// @returns the storage texture subtype for the given ImageFormat
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static Type* SubtypeFor(ImageFormat format, ProgramBuilder& builder);
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/// The image format
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const ImageFormat format;
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/// The storage subtype
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const Type* const type;
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/// The access control
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const Access access;
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};
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} // namespace ast
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} // namespace tint
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#endif // SRC_AST_STORAGE_TEXTURE_H_
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