| // Copyright 2023 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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| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
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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" |
| |
| using namespace tint::core::number_suffixes; // NOLINT |
| using namespace tint::core::fluent_types; // NOLINT |
| |
| namespace tint::glsl::writer { |
| namespace { |
| |
| TEST_F(GlslWriterTest, ConstantBoolFalse) { |
| auto* f = b.Function("a", ty.bool_()); |
| f->Block()->Append(b.Return(f, false)); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| bool a() { |
| return false; |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, ConstantBoolTrue) { |
| auto* f = b.Function("a", ty.bool_()); |
| f->Block()->Append(b.Return(f, true)); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| bool a() { |
| return true; |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, ConstantInt) { |
| auto* f = b.Function("a", ty.i32()); |
| f->Block()->Append(b.Return(f, -12345_i)); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| int a() { |
| return -12345; |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, ConstantIntMin) { |
| auto* f = b.Function("a", ty.i32()); |
| b.Append(f->Block(), [&] { b.Return(f, i32(std::numeric_limits<int32_t>::min())); }); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| int a() { |
| return (-2147483647 - 1); |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, ConstantUInt) { |
| auto* f = b.Function("a", ty.u32()); |
| f->Block()->Append(b.Return(f, 56779_u)); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| uint a() { |
| return 56779u; |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, ConstantFloat) { |
| auto* f = b.Function("a", ty.f32()); |
| // Use a number close to 1<<30 but whose decimal representation ends in 0. |
| f->Block()->Append(b.Return(f, f32((1 << 30) - 4))); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"( |
| float a() { |
| return 1073741824.0f; |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| TEST_F(GlslWriterTest, ConstantF16) { |
| auto* f = b.Function("a", ty.f16()); |
| // Use a number close to 1<<16 but whose decimal representation ends in 0. |
| f->Block()->Append(b.Return(f, f16((1 << 15) - 8))); |
| |
| ASSERT_TRUE(Generate()) << err_ << output_.glsl; |
| EXPECT_EQ(output_.glsl, GlslHeader() + R"(#extension GL_AMD_gpu_shader_half_float: require |
| |
| float16_t a() { |
| return 32752.0hf; |
| } |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| } |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::glsl::writer |