| // Copyright 2024 The Dawn & Tint Authors |
| // |
| // Redistribution and use in source and binary forms, with or without |
| // modification, are permitted provided that the following conditions are met: |
| // |
| // 1. Redistributions of source code must retain the above copyright notice, this |
| // list of conditions and the following disclaimer. |
| // |
| // 2. Redistributions in binary form must reproduce the above copyright notice, |
| // this list of conditions and the following disclaimer in the documentation |
| // and/or other materials provided with the distribution. |
| // |
| // 3. Neither the name of the copyright holder nor the names of its |
| // contributors may be used to endorse or promote products derived from |
| // this software without specific prior written permission. |
| // |
| // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| // AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| // IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| // DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE |
| // FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
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| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/glsl/writer/helper_test.h" |
| |
| #include "gmock/gmock.h" |
| |
| using namespace tint::core::fluent_types; // NOLINT |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| namespace tint::glsl::writer { |
| namespace { |
| |
| TEST_F(GlslWriterTest, Switch) { |
| auto* f = b.Function("foo", ty.void_(), core::ir::Function::PipelineStage::kCompute); |
| f->SetWorkgroupSize(1, 1, 1); |
| |
| b.Append(f->Block(), [&] { |
| auto* a = b.Var("a", b.Zero<i32>()); |
| auto* s = b.Switch(b.Load(a)); |
| b.Append(b.Case(s, {b.Constant(5_i)}), [&] { b.ExitSwitch(s); }); |
| b.Append(b.DefaultCase(s), [&] { b.ExitSwitch(s); }); |
| b.Return(f); |
| }); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| int a = 0; |
| switch(a) { |
| case 5: |
| { |
| break; |
| } |
| default: |
| { |
| break; |
| } |
| } |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, Switch_MixedDefault) { |
| auto* f = b.Function("foo", ty.void_(), core::ir::Function::PipelineStage::kCompute); |
| f->SetWorkgroupSize(1, 1, 1); |
| |
| b.Append(f->Block(), [&] { |
| auto* a = b.Var("a", b.Zero<i32>()); |
| auto* s = b.Switch(b.Load(a)); |
| auto* c = b.Case(s, {b.Constant(5_i), nullptr}); |
| b.Append(c, [&] { b.ExitSwitch(s); }); |
| b.Return(f); |
| }); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| int a = 0; |
| switch(a) { |
| case 5: |
| default: |
| { |
| break; |
| } |
| } |
| } |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::glsl::writer |