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b5cd10c7bd
Allows transforms to assert their dependencies have been run before they are. Also allows the backends to validate that their sanitizers have been run before they're used. Change-Id: I1e97afe06f9e7371283bade54bbb2e2c41f87a00 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/55442 Kokoro: Kokoro <noreply+kokoro@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: James Price <jrprice@google.com>
52 lines
1.9 KiB
C++
52 lines
1.9 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
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: public Castable<ExternalTextureTransform, 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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protected:
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/// Runs the transform using the CloneContext built for transforming a
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/// program. Run() is responsible for calling Clone() on the CloneContext.
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/// @param ctx the CloneContext primed with the input program and
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/// ProgramBuilder
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/// @param inputs optional extra transform-specific input data
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/// @param outputs optional extra transform-specific output data
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void Run(CloneContext& ctx, const DataMap& inputs, DataMap& outputs) 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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