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558a3537c9
This transform expects valid input. Fixed: chromium:1233795 Change-Id: I6460bded0a7e89888a4b034e792db6dc07012127 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/60348 Auto-Submit: Ben Clayton <bclayton@google.com> Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: David Neto <dneto@google.com> Commit-Queue: Ben Clayton <bclayton@google.com>
68 lines
2.2 KiB
C++
68 lines
2.2 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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#include "src/reader/spirv/parser.h"
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#include <utility>
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#include "src/reader/spirv/parser_impl.h"
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#include "src/transform/decompose_strided_matrix.h"
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#include "src/transform/inline_pointer_lets.h"
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#include "src/transform/manager.h"
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#include "src/transform/simplify.h"
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namespace tint {
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namespace reader {
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namespace spirv {
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Program Parse(const std::vector<uint32_t>& input) {
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ParserImpl parser(input);
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bool parsed = parser.Parse();
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ProgramBuilder& builder = parser.builder();
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if (!parsed) {
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// TODO(bclayton): Migrate spirv::ParserImpl to using diagnostics.
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builder.Diagnostics().add_error(diag::System::Reader, parser.error());
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return Program(std::move(builder));
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}
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// The SPIR-V parser can construct disjoint AST nodes, which is invalid for
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// the Resolver. Clone the Program to clean these up.
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builder.SetResolveOnBuild(false);
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Program program_with_disjoint_ast(std::move(builder));
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ProgramBuilder output;
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CloneContext(&output, &program_with_disjoint_ast, false).Clone();
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auto program = Program(std::move(output));
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if (!program.IsValid()) {
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return program;
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}
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// If the generated program contains matrices with a custom MatrixStride
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// attribute then we need to decompose these into an array of vectors
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if (transform::DecomposeStridedMatrix::ShouldRun(&program)) {
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transform::Manager manager;
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manager.Add<transform::InlinePointerLets>();
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manager.Add<transform::Simplify>();
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manager.Add<transform::DecomposeStridedMatrix>();
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return manager.Run(&program).program;
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}
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return program;
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}
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} // namespace spirv
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} // namespace reader
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} // namespace tint
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