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// Copyright 2021 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 "gmock/gmock.h"
#include "src/tint/lang/glsl/writer/ast_printer/helper_test.h"
#include "src/tint/lang/wgsl/ast/stage_attribute.h"
#include "src/tint/lang/wgsl/ast/variable_decl_statement.h"
#include "src/tint/lang/wgsl/ast/workgroup_attribute.h"
using ::testing::HasSubstr;
namespace tint::glsl::writer {
namespace {
using namespace tint::core::fluent_types; // NOLINT
using namespace tint::core::number_suffixes; // NOLINT
using GlslASTPrinterTest_Function = TestHelper;
TEST_F(GlslASTPrinterTest_Function, Emit_Function) {
Func("my_func", tint::Empty, ty.void_(),
Vector{
Return(),
});
ASTPrinter& gen = Build();
gen.IncrementIndent();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"( #version 310 es
void my_func() {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Function_Name_Collision) {
Func("centroid", tint::Empty, ty.void_(),
Vector{
Return(),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.IncrementIndent();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr(R"( void tint_symbol() {
return;
})"));
}
TEST_F(GlslASTPrinterTest_Function, Emit_Function_WithParams) {
Func("my_func",
Vector{
Param("a", ty.f32()),
Param("b", ty.i32()),
},
ty.void_(),
Vector{
Return(),
});
ASTPrinter& gen = Build();
gen.IncrementIndent();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"( #version 310 es
void my_func(float a, int b) {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_NoReturn_Void) {
Func("func", tint::Empty, ty.void_(), tint::Empty /* no explicit return */,
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
void func() {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, PtrParameter) {
// fn f(foo : ptr<function, f32>) -> f32 {
// return *foo;
// }
Func("f", Vector{Param("foo", ty.ptr<function, f32>())}, ty.f32(),
Vector{Return(Deref("foo"))});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_THAT(gen.Result(), HasSubstr(R"(float f(inout float foo) {
return foo;
}
)"));
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_WithInOutVars) {
// fn frag_main(@location(0) foo : f32) -> @location(1) f32 {
// return foo;
// }
Func("frag_main",
Vector{
Param("foo", ty.f32(), Vector{Location(0_a)}),
},
ty.f32(),
Vector{
Return("foo"),
},
Vector{
Stage(ast::PipelineStage::kFragment),
},
Vector{
Location(1_a),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
layout(location = 0) in float foo_1;
layout(location = 1) out float value;
float frag_main(float foo) {
return foo;
}
void main() {
float inner_result = frag_main(foo_1);
value = inner_result;
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_WithInOut_Builtins) {
// fn frag_main(@position(0) coord : vec4<f32>) -> @frag_depth f32 {
// return coord.x;
// }
auto* coord_in = Param("coord", ty.vec4<f32>(), Vector{Builtin(core::BuiltinValue::kPosition)});
Func("frag_main",
Vector{
coord_in,
},
ty.f32(),
Vector{
Return(MemberAccessor("coord", "x")),
},
Vector{
Stage(ast::PipelineStage::kFragment),
},
Vector{
Builtin(core::BuiltinValue::kFragDepth),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
float frag_main(vec4 coord) {
return coord.x;
}
void main() {
float inner_result = frag_main(gl_FragCoord);
gl_FragDepth = inner_result;
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_SharedStruct_DifferentStages) {
// struct Interface {
// @builtin(position) pos : vec4<f32>;
// @location(1) col1 : f32;
// @location(2) col2 : f32;
// };
// fn vert_main() -> Interface {
// return Interface(vec4<f32>(), 0.5, 0.25);
// }
// fn frag_main(inputs : Interface) {
// const r = inputs.col1;
// const g = inputs.col2;
// const p = inputs.pos;
// }
auto* interface_struct =
Structure("Interface",
Vector{
Member("pos", ty.vec4<f32>(), Vector{Builtin(core::BuiltinValue::kPosition)}),
Member("col1", ty.f32(), Vector{Location(1_a)}),
Member("col2", ty.f32(), Vector{Location(2_a)}),
});
Func("vert_main", tint::Empty, ty.Of(interface_struct),
Vector{Return(Call(ty.Of(interface_struct), Call<vec4<f32>>(), 0.5_f, 0.25_f))},
Vector{Stage(ast::PipelineStage::kVertex)});
Func("frag_main", Vector{Param("inputs", ty.Of(interface_struct))}, ty.void_(),
Vector{
Decl(Let("r", ty.f32(), MemberAccessor("inputs", "col1"))),
Decl(Let("g", ty.f32(), MemberAccessor("inputs", "col2"))),
Decl(Let("p", ty.vec4<f32>(), MemberAccessor("inputs", "pos"))),
},
Vector{Stage(ast::PipelineStage::kFragment)});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
layout(location = 1) out float col1_1;
layout(location = 2) out float col2_1;
layout(location = 1) in float col1_2;
layout(location = 2) in float col2_2;
struct Interface {
vec4 pos;
float col1;
float col2;
};
Interface vert_main() {
Interface tint_symbol = Interface(vec4(0.0f), 0.5f, 0.25f);
return tint_symbol;
}
void main() {
gl_PointSize = 1.0;
Interface inner_result = vert_main();
gl_Position = inner_result.pos;
col1_1 = inner_result.col1;
col2_1 = inner_result.col2;
gl_Position.y = -(gl_Position.y);
gl_Position.z = ((2.0f * gl_Position.z) - gl_Position.w);
return;
}
void frag_main(Interface inputs) {
float r = inputs.col1;
float g = inputs.col2;
vec4 p = inputs.pos;
}
void main_1() {
Interface tint_symbol_1 = Interface(gl_FragCoord, col1_2, col2_2);
frag_main(tint_symbol_1);
return;
}
)");
}
#if 0
TEST_F(GlslASTPrinterTest_Function,
Emit_Attribute_EntryPoint_SharedStruct_HelperFunction) {
// struct VertexOutput {
// @builtin(position) pos : vec4<f32>;
// };
// fn foo(x : f32) -> VertexOutput {
// return VertexOutput(vec4<f32>(x, x, x, 1.0));
// }
// fn vert_main1() -> VertexOutput {
// return foo(0.5);
// }
// fn vert_main2() -> VertexOutput {
// return foo(0.25);
// }
auto* vertex_output_struct = Structure(
"VertexOutput",
{Member("pos", ty.vec4<f32>(), {Builtin(core::BuiltinValue::kPosition)})});
Func("foo", Vector{Param("x", ty.f32())}, ty.Of(vertex_output_struct),
{Return(Call(ty.Of(vertex_output_struct),
Call<vec4<f32>>( "x", "x", "x", 1_f)))},
{});
Func("vert_main1", tint::Empty, ty.Of(vertex_output_struct),
{Return(Call(ty.Of(vertex_output_struct),
Expr(Call("foo", Expr(0.5_f)))))},
{Stage(ast::PipelineStage::kVertex)});
Func("vert_main2", tint::Empty, ty.Of(vertex_output_struct),
{Return(Call(ty.Of(vertex_output_struct),
Expr(Call("foo", Expr(0.25_f)))))},
{Stage(ast::PipelineStage::kVertex)});
ASTPrinter& gen = SanitizeAndBuild();
ASSERT_TRUE(gen.Generate()) << gen.Diagnostics();
EXPECT_EQ(gen.Result(), R"(struct VertexOutput {
float4 pos;
};
VertexOutput foo(float x) {
const VertexOutput tint_symbol_4 = {float4(x, x, x, 1.0f)};
return tint_symbol_4;
}
struct tint_symbol {
float4 pos : SV_Position;
};
tint_symbol vert_main1() {
const VertexOutput tint_symbol_1 = {foo(0.5f)};
const tint_symbol tint_symbol_5 = {tint_symbol_1.pos};
return tint_symbol_5;
}
struct tint_symbol_2 {
float4 pos : SV_Position;
};
tint_symbol_2 vert_main2() {
const VertexOutput tint_symbol_3 = {foo(0.25f)};
const tint_symbol_2 tint_symbol_6 = {tint_symbol_3.pos};
return tint_symbol_6;
}
)");
}
#endif
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_With_Uniform) {
auto* ubo_ty = Structure("UBO", Vector{Member("coord", ty.vec4<f32>())});
auto* ubo =
GlobalVar("ubo", ty.Of(ubo_ty), core::AddressSpace::kUniform, Binding(0_a), Group(1_a));
Func("sub_func",
Vector{
Param("param", ty.f32()),
},
ty.f32(),
Vector{
Return(MemberAccessor(MemberAccessor(ubo, "coord"), "x")),
});
auto* var = Var("v", ty.f32(), Call("sub_func", 1_f));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
struct UBO {
vec4 coord;
};
layout(binding = 0, std140) uniform UBO_ubo {
vec4 coord;
} ubo;
float sub_func(float param) {
return ubo.coord.x;
}
void frag_main() {
float v = sub_func(1.0f);
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_With_UniformStruct) {
auto* s = Structure("Uniforms", Vector{Member("coord", ty.vec4<f32>())});
GlobalVar("uniforms", ty.Of(s), core::AddressSpace::kUniform, Binding(0_a), Group(1_a));
auto* var = Var("v", ty.f32(), MemberAccessor(MemberAccessor("uniforms", "coord"), "x"));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
struct Uniforms {
vec4 coord;
};
layout(binding = 0, std140) uniform Uniforms_ubo {
vec4 coord;
} uniforms;
void frag_main() {
float v = uniforms.coord.x;
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_With_RW_StorageBuffer_Read) {
auto* s = Structure("Data", Vector{
Member("a", ty.i32()),
Member("b", ty.f32()),
});
GlobalVar("coord", ty.Of(s), core::AddressSpace::kStorage, core::Access::kReadWrite,
Binding(0_a), Group(1_a));
auto* var = Var("v", ty.f32(), MemberAccessor("coord", "b"));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
struct Data {
int a;
float b;
};
layout(binding = 0, std430) buffer coord_block_ssbo {
Data inner;
} coord;
void frag_main() {
float v = coord.inner.b;
return;
}
void main() {
frag_main();
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_With_RO_StorageBuffer_Read) {
auto* s = Structure("Data", Vector{
Member("a", ty.i32()),
Member("b", ty.f32()),
});
GlobalVar("coord", ty.Of(s), core::AddressSpace::kStorage, core::Access::kRead, Binding(0_a),
Group(1_a));
auto* var = Var("v", ty.f32(), MemberAccessor("coord", "b"));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(),
R"(#version 310 es
precision highp float;
precision highp int;
struct Data {
int a;
float b;
};
layout(binding = 0, std430) buffer coord_block_ssbo {
Data inner;
} coord;
void frag_main() {
float v = coord.inner.b;
return;
}
void main() {
frag_main();
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_With_WO_StorageBuffer_Store) {
auto* s = Structure("Data", Vector{
Member("a", ty.i32()),
Member("b", ty.f32()),
});
GlobalVar("coord", ty.Of(s), core::AddressSpace::kStorage, core::Access::kReadWrite,
Binding(0_a), Group(1_a));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Assign(MemberAccessor("coord", "b"), Expr(2_f)),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
struct Data {
int a;
float b;
};
layout(binding = 0, std430) buffer coord_block_ssbo {
Data inner;
} coord;
void frag_main() {
coord.inner.b = 2.0f;
return;
}
void main() {
frag_main();
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_With_StorageBuffer_Store) {
auto* s = Structure("Data", Vector{
Member("a", ty.i32()),
Member("b", ty.f32()),
});
GlobalVar("coord", ty.Of(s), core::AddressSpace::kStorage, core::Access::kReadWrite,
Binding(0_a), Group(1_a));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Assign(MemberAccessor("coord", "b"), Expr(2_f)),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
struct Data {
int a;
float b;
};
layout(binding = 0, std430) buffer coord_block_ssbo {
Data inner;
} coord;
void frag_main() {
coord.inner.b = 2.0f;
return;
}
void main() {
frag_main();
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_Called_By_EntryPoint_With_Uniform) {
auto* s = Structure("S", Vector{Member("x", ty.f32())});
GlobalVar("coord", ty.Of(s), core::AddressSpace::kUniform, Binding(0_a), Group(1_a));
Func("sub_func", Vector{Param("param", ty.f32())}, ty.f32(),
Vector{
Return(MemberAccessor("coord", "x")),
});
auto* var = Var("v", ty.f32(), Call("sub_func", 1_f));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
struct S {
float x;
};
layout(binding = 0, std140) uniform S_ubo {
float x;
} coord;
float sub_func(float param) {
return coord.x;
}
void frag_main() {
float v = sub_func(1.0f);
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_Called_By_EntryPoint_With_StorageBuffer) {
auto* s = Structure("S", Vector{Member("x", ty.f32())});
GlobalVar("coord", ty.Of(s), core::AddressSpace::kStorage, core::Access::kReadWrite,
Binding(0_a), Group(1_a));
Func("sub_func", Vector{Param("param", ty.f32())}, ty.f32(),
Vector{
Return(MemberAccessor("coord", "x")),
});
auto* var = Var("v", ty.f32(), Call("sub_func", 1_f));
Func("frag_main", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(),
R"(#version 310 es
precision highp float;
precision highp int;
struct S {
float x;
};
layout(binding = 0, std430) buffer coord_block_ssbo {
S inner;
} coord;
float sub_func(float param) {
return coord.inner.x;
}
void frag_main() {
float v = sub_func(1.0f);
return;
}
void main() {
frag_main();
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_WithNameCollision) {
Func("centroid", tint::Empty, ty.void_(), {},
Vector{
Stage(ast::PipelineStage::kFragment),
});
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
precision highp float;
precision highp int;
void tint_symbol() {
}
void main() {
tint_symbol();
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_Compute) {
Func("main", tint::Empty, ty.void_(),
Vector{
Return(),
},
Vector{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize(1_i),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main() {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_Compute_WithWorkgroup_Literal) {
Func("main", tint::Empty, ty.void_(), {},
Vector{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize(2_i, 4_i, 6_i),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
layout(local_size_x = 2, local_size_y = 4, local_size_z = 6) in;
void main() {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Attribute_EntryPoint_Compute_WithWorkgroup_Const) {
GlobalConst("width", ty.i32(), Call<i32>(2_i));
GlobalConst("height", ty.i32(), Call<i32>(3_i));
GlobalConst("depth", ty.i32(), Call<i32>(4_i));
Func("main", tint::Empty, ty.void_(), {},
Vector{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize("width", "height", "depth"),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
layout(local_size_x = 2, local_size_y = 3, local_size_z = 4) in;
void main() {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function,
Emit_Attribute_EntryPoint_Compute_WithWorkgroup_OverridableConst) {
Override("width", ty.i32(), Call<i32>(2_i), Id(7_u));
Override("height", ty.i32(), Call<i32>(3_i), Id(8_u));
Override("depth", ty.i32(), Call<i32>(4_i), Id(9_u));
Func("main", tint::Empty, ty.void_(), {},
Vector{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize("width", "height", "depth"),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_EQ(
gen.Diagnostics().Str(),
R"(error: override-expressions should have been removed with the SubstituteOverride transform
error: override-expressions should have been removed with the SubstituteOverride transform
error: override-expressions should have been removed with the SubstituteOverride transform
error: override-expressions should have been removed with the SubstituteOverride transform)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Function_WithArrayParams) {
Func("my_func", Vector{Param("a", ty.array<f32, 5>())}, ty.void_(),
Vector{
Return(),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
void my_func(float a[5]) {
return;
}
)");
}
TEST_F(GlslASTPrinterTest_Function, Emit_Function_WithArrayReturn) {
Func("my_func", tint::Empty, ty.array<f32, 5>(),
Vector{
Return(Call<array<f32, 5>>()),
});
ASTPrinter& gen = Build();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
float[5] my_func() {
return float[5](0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
}
)");
}
// https://crbug.com/tint/297
TEST_F(GlslASTPrinterTest_Function, Emit_Multiple_EntryPoint_With_Same_ModuleVar) {
// struct Data {
// d : f32;
// };
// @binding(0) @group(0) var<storage> data : Data;
//
// @compute @workgroup_size(1)
// fn a() {
// var v = data.d;
// return;
// }
//
// @compute @workgroup_size(1)
// fn b() {
// var v = data.d;
// return;
// }
auto* s = Structure("Data", Vector{Member("d", ty.f32())});
GlobalVar("data", ty.Of(s), core::AddressSpace::kStorage, core::Access::kReadWrite,
Binding(0_a), Group(0_a));
{
auto* var = Var("v", ty.f32(), MemberAccessor("data", "d"));
Func("a", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize(1_i),
});
}
{
auto* var = Var("v", ty.f32(), MemberAccessor("data", "d"));
Func("b", tint::Empty, ty.void_(),
Vector{
Decl(var),
Return(),
},
Vector{
Stage(ast::PipelineStage::kCompute),
WorkgroupSize(1_i),
});
}
ASTPrinter& gen = SanitizeAndBuild();
gen.Generate();
EXPECT_THAT(gen.Diagnostics(), testing::IsEmpty());
EXPECT_EQ(gen.Result(), R"(#version 310 es
struct Data {
float d;
};
layout(binding = 0, std430) buffer data_block_ssbo {
Data inner;
} data;
void a() {
float v = data.inner.d;
return;
}
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main() {
a();
return;
}
void b() {
float v = data.inner.d;
return;
}
layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in;
void main_1() {
b();
return;
}
)");
}
} // namespace
} // namespace tint::glsl::writer