| // Copyright 2022 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 |
| // DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR |
| // SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER |
| // CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| // OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
| // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| |
| #include "src/tint/lang/core/number.h" |
| #include "src/tint/lang/glsl/writer/ast_printer/helper_test.h" |
| |
| #include "gmock/gmock.h" |
| |
| using ::testing::HasSubstr; |
| using namespace tint::core::number_suffixes; // NOLINT |
| |
| namespace tint::glsl::writer { |
| namespace { |
| |
| using GlslASTPrinterTest_StorageBuffer = TestHelper; |
| |
| void TestAlign(ProgramBuilder* ctx) { |
| // struct Nephews { |
| // @align(256) huey : f32; |
| // @align(256) dewey : f32; |
| // @align(256) louie : f32; |
| // }; |
| // @group(0) @binding(0) var<storage, read_write> nephews : Nephews; |
| auto* nephews = ctx->Structure( |
| "Nephews", Vector{ |
| ctx->Member("huey", ctx->ty.f32(), Vector{ctx->MemberAlign(256_i)}), |
| ctx->Member("dewey", ctx->ty.f32(), Vector{ctx->MemberAlign(256_i)}), |
| ctx->Member("louie", ctx->ty.f32(), Vector{ctx->MemberAlign(256_i)}), |
| }); |
| ctx->GlobalVar("nephews", ctx->ty.Of(nephews), core::AddressSpace::kStorage, ctx->Binding(0_a), |
| ctx->Group(0_a)); |
| } |
| |
| TEST_F(GlslASTPrinterTest_StorageBuffer, Align) { |
| TestAlign(this); |
| |
| ASTPrinter& gen = Build(); |
| |
| // TODO(crbug.com/tint/1421) offsets do not currently work on GLSL ES. |
| // They will likely require manual padding. |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(#version 310 es |
| |
| struct Nephews { |
| float huey; |
| float dewey; |
| float louie; |
| }; |
| |
| layout(binding = 0, std430) buffer Nephews_ssbo { |
| float huey; |
| float dewey; |
| float louie; |
| } nephews; |
| |
| )"); |
| } |
| |
| TEST_F(GlslASTPrinterTest_StorageBuffer, Align_Desktop) { |
| TestAlign(this); |
| |
| ASTPrinter& gen = Build(Version(Version::Standard::kDesktop, 4, 4)); |
| gen.Generate(); |
| EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty()); |
| EXPECT_EQ(gen.Result(), R"(#version 440 |
| |
| struct Nephews { |
| float huey; |
| float dewey; |
| float louie; |
| }; |
| |
| layout(binding = 0, std430) buffer Nephews_ssbo { |
| float huey; |
| float dewey; |
| float louie; |
| } nephews; |
| |
| )"); |
| } |
| |
| } // namespace |
| } // namespace tint::glsl::writer |