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fe5c305891
Fixed: tint:776 Change-Id: I26e7dc36b19cf38612f6d530a9e774ac519d70e7 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/50220 Commit-Queue: Ben Clayton <bclayton@google.com> Commit-Queue: Antonio Maiorano <amaiorano@google.com> Auto-Submit: Ben Clayton <bclayton@google.com> Reviewed-by: Antonio Maiorano <amaiorano@google.com>
48 lines
1.7 KiB
C++
48 lines
1.7 KiB
C++
// Copyright 2021 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_TRANSFORM_EXTERNAL_TEXTURE_TRANSFORM_H_
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#define SRC_TRANSFORM_EXTERNAL_TEXTURE_TRANSFORM_H_
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#include <utility>
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#include "src/transform/transform.h"
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namespace tint {
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namespace transform {
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/// Because an external texture is comprised of 1-3 texture views we can simply
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/// transform external textures into the appropriate number of sampled textures.
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/// This allows us to share SPIR-V/HLSL writer paths for sampled textures
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/// instead of adding dedicated writer paths for external textures.
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/// ExternalTextureTransform performs this transformation.
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class ExternalTextureTransform : public Transform {
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public:
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/// Constructor
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ExternalTextureTransform();
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/// Destructor
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~ExternalTextureTransform() override;
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/// Runs the transform on `program`, returning the transformation result.
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/// @param program the source program to transform
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/// @param data optional extra transform-specific data
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/// @returns the transformation result
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Output Run(const Program* program, const DataMap& data = {}) override;
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};
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} // namespace transform
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} // namespace tint
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#endif // SRC_TRANSFORM_EXTERNAL_TEXTURE_TRANSFORM_H_
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