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be656f7984
This implements the uniformity analysis as currently described in the WGSL specification. Uniformity issues are presented as warnings, and will be switched to errors in a future release. A follow-up patch will improve the error messages, which currently just show the point at which a uniformity was detected. In a future release, once we have obtained initial feedback from users, uniformity issues will become errors. Bug: tint:880 Change-Id: I7d0b3080932c786c5d50b55720fec6d19f00d356 Reviewed-on: https://dawn-review.googlesource.com/c/dawn/+/88368 Kokoro: Kokoro <noreply+kokoro@google.com> Reviewed-by: Alan Baker <alanbaker@google.com> Reviewed-by: Ben Clayton <bclayton@google.com>
92 lines
2.0 KiB
C++
92 lines
2.0 KiB
C++
// Copyright 2020 The Tint Authors. //
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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/tint/scope_stack.h"
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#include "gtest/gtest.h"
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#include "src/tint/program_builder.h"
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namespace tint {
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namespace {
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class ScopeStackTest : public ProgramBuilder, public testing::Test {};
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TEST_F(ScopeStackTest, Get) {
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ScopeStack<Symbol, uint32_t> s;
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Symbol a(1, ID());
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Symbol b(3, ID());
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s.Push();
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s.Set(a, 5u);
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s.Set(b, 10u);
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EXPECT_EQ(s.Get(a), 5u);
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EXPECT_EQ(s.Get(b), 10u);
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s.Push();
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s.Set(a, 15u);
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EXPECT_EQ(s.Get(a), 15u);
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EXPECT_EQ(s.Get(b), 10u);
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s.Pop();
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EXPECT_EQ(s.Get(a), 5u);
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EXPECT_EQ(s.Get(b), 10u);
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}
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TEST_F(ScopeStackTest, Get_MissingSymbol) {
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ScopeStack<Symbol, uint32_t> s;
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Symbol sym(1, ID());
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EXPECT_EQ(s.Get(sym), 0u);
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}
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TEST_F(ScopeStackTest, Set) {
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ScopeStack<Symbol, uint32_t> s;
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Symbol a(1, ID());
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Symbol b(2, ID());
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EXPECT_EQ(s.Set(a, 5u), 0u);
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EXPECT_EQ(s.Get(a), 5u);
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EXPECT_EQ(s.Set(b, 10u), 0u);
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EXPECT_EQ(s.Get(b), 10u);
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EXPECT_EQ(s.Set(a, 20u), 5u);
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EXPECT_EQ(s.Get(a), 20u);
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EXPECT_EQ(s.Set(b, 25u), 10u);
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EXPECT_EQ(s.Get(b), 25u);
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}
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TEST_F(ScopeStackTest, Clear) {
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ScopeStack<Symbol, uint32_t> s;
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Symbol a(1, ID());
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Symbol b(2, ID());
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EXPECT_EQ(s.Set(a, 5u), 0u);
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EXPECT_EQ(s.Get(a), 5u);
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s.Push();
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EXPECT_EQ(s.Set(b, 10u), 0u);
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EXPECT_EQ(s.Get(b), 10u);
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s.Push();
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s.Clear();
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EXPECT_EQ(s.Get(a), 0u);
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EXPECT_EQ(s.Get(b), 0u);
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}
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} // namespace
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} // namespace tint
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