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This is disabled by default and can be enabled via transform data. The separate EmitVertexPointSize transform will be removed once Dawn starts using the Spirv sanitizer to do this. Bug: tint:753 Change-Id: I676c4cef5bc53f2dbf2330645faa4a0f2bfe11bd Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/49980 Auto-Submit: James Price <jrprice@google.com> Commit-Queue: Ben Clayton <bclayton@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
47 lines
1.7 KiB
C++
47 lines
1.7 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_TRANSFORM_EMIT_VERTEX_POINT_SIZE_H_
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#define SRC_TRANSFORM_EMIT_VERTEX_POINT_SIZE_H_
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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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/// DEPRECATED: This should now be performed using the SPIR-V sanitizer.
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/// EmitVertexPointSize is a Transform that adds a PointSize builtin global
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/// output variable to the program which is assigned 1.0 as the new first
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/// statement for all vertex stage entry points.
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/// If the program does not contain a vertex pipeline stage entry point then
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/// then this transform is a no-op.
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class EmitVertexPointSize : public Transform {
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public:
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/// Constructor
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EmitVertexPointSize();
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/// Destructor
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~EmitVertexPointSize() 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 input 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_EMIT_VERTEX_POINT_SIZE_H_
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