| // Copyright 2021 The Tint Authors. |
| // |
| // Licensed under the Apache License, Version 2.0 (the "License"); |
| // you may not use this file except in compliance with the License. |
| // You may obtain a copy of the License at |
| // |
| // http://www.apache.org/licenses/LICENSE-2.0 |
| // |
| // Unless required by applicable law or agreed to in writing, software |
| // distributed under the License is distributed on an "AS IS" BASIS, |
| // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| // See the License for the specific language governing permissions and |
| // limitations under the License. |
| |
| #include "gmock/gmock.h" |
| #include "src/ast/stage_decoration.h" |
| #include "src/ast/struct_block_decoration.h" |
| #include "src/ast/variable_decl_statement.h" |
| #include "src/ast/workgroup_decoration.h" |
| #include "src/writer/glsl/test_helper.h" |
| |
| using ::testing::HasSubstr; |
| |
| namespace tint { |
| namespace writer { |
| namespace glsl { |
| namespace { |
| |
| using GlslGeneratorImplTest_Function = TestHelper; |
| |
| TEST_F(GlslGeneratorImplTest_Function, Emit_Function) { |
| Func("my_func", ast::VariableList{}, ty.void_(), |
| { |
| Return(), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"( #version 310 es |
| precision mediump float; |
| |
| void my_func() { |
| return; |
| } |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, Emit_Function_Name_Collision) { |
| Func("centroid", ast::VariableList{}, ty.void_(), |
| { |
| Return(), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(R"( void tint_symbol() { |
| return; |
| })")); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, Emit_Function_WithParams) { |
| Func("my_func", ast::VariableList{Param("a", ty.f32()), Param("b", ty.i32())}, |
| ty.void_(), |
| { |
| Return(), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| gen.increment_indent(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"( #version 310 es |
| precision mediump float; |
| |
| void my_func(float a, int b) { |
| return; |
| } |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_NoReturn_Void) { |
| Func("func", ast::VariableList{}, ty.void_(), {/* no explicit return */}, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| void func() { |
| return; |
| } |
| void main() { |
| func(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, PtrParameter) { |
| // fn f(foo : ptr<function, f32>) -> f32 { |
| // return *foo; |
| // } |
| Func("f", {Param("foo", ty.pointer<f32>(ast::StorageClass::kFunction))}, |
| ty.f32(), {Return(Deref("foo"))}); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_THAT(gen.result(), HasSubstr(R"(float f(inout float foo) { |
| return foo; |
| } |
| )")); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_WithInOutVars) { |
| // fn frag_main([[location(0)]] foo : f32) -> [[location(1)]] f32 { |
| // return foo; |
| // } |
| auto* foo_in = Param("foo", ty.f32(), {Location(0)}); |
| Func("frag_main", ast::VariableList{foo_in}, ty.f32(), {Return("foo")}, |
| {Stage(ast::PipelineStage::kFragment)}, {Location(1)}); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| struct tint_symbol_1 { |
| float foo; |
| }; |
| struct tint_symbol_2 { |
| float value; |
| }; |
| |
| float frag_main_inner(float foo) { |
| return foo; |
| } |
| |
| tint_symbol_2 frag_main(tint_symbol_1 tint_symbol) { |
| float inner_result = frag_main_inner(tint_symbol.foo); |
| tint_symbol_2 wrapper_result = tint_symbol_2(0.0f); |
| wrapper_result.value = inner_result; |
| return wrapper_result; |
| } |
| in float foo; |
| out float value; |
| void main() { |
| tint_symbol_1 inputs; |
| inputs.foo = foo; |
| tint_symbol_2 outputs; |
| outputs = frag_main(inputs); |
| value = outputs.value; |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_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>(), {Builtin(ast::Builtin::kPosition)}); |
| Func("frag_main", ast::VariableList{coord_in}, ty.f32(), |
| {Return(MemberAccessor("coord", "x"))}, |
| {Stage(ast::PipelineStage::kFragment)}, |
| {Builtin(ast::Builtin::kFragDepth)}); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| struct tint_symbol_1 { |
| vec4 coord; |
| }; |
| struct tint_symbol_2 { |
| float value; |
| }; |
| |
| float frag_main_inner(vec4 coord) { |
| return coord.x; |
| } |
| |
| tint_symbol_2 frag_main(tint_symbol_1 tint_symbol) { |
| float inner_result = frag_main_inner(tint_symbol.coord); |
| tint_symbol_2 wrapper_result = tint_symbol_2(0.0f); |
| wrapper_result.value = inner_result; |
| return wrapper_result; |
| } |
| void main() { |
| tint_symbol_1 inputs; |
| inputs.coord = gl_Position; |
| tint_symbol_2 outputs; |
| outputs = frag_main(inputs); |
| gl_FragDepth = outputs.value; |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_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>(), 0.4, 0.6); |
| // } |
| // fn frag_main(inputs : Interface) { |
| // const r = inputs.col1; |
| // const g = inputs.col2; |
| // const p = inputs.pos; |
| // } |
| auto* interface_struct = Structure( |
| "Interface", |
| { |
| Member("pos", ty.vec4<f32>(), {Builtin(ast::Builtin::kPosition)}), |
| Member("col1", ty.f32(), {Location(1)}), |
| Member("col2", ty.f32(), {Location(2)}), |
| }); |
| |
| Func("vert_main", {}, ty.Of(interface_struct), |
| {Return(Construct(ty.Of(interface_struct), Construct(ty.vec4<f32>()), |
| Expr(0.5f), Expr(0.25f)))}, |
| {Stage(ast::PipelineStage::kVertex)}); |
| |
| Func("frag_main", {Param("inputs", ty.Of(interface_struct))}, ty.void_(), |
| { |
| Decl(Const("r", ty.f32(), MemberAccessor("inputs", "col1"))), |
| Decl(Const("g", ty.f32(), MemberAccessor("inputs", "col2"))), |
| Decl(Const("p", ty.vec4<f32>(), MemberAccessor("inputs", "pos"))), |
| }, |
| {Stage(ast::PipelineStage::kFragment)}); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| struct Interface { |
| vec4 pos; |
| float col1; |
| float col2; |
| }; |
| struct tint_symbol { |
| float col1; |
| float col2; |
| vec4 pos; |
| }; |
| |
| Interface vert_main_inner() { |
| Interface tint_symbol_3 = Interface(vec4(0.0f, 0.0f, 0.0f, 0.0f), 0.5f, 0.25f); |
| return tint_symbol_3; |
| } |
| |
| tint_symbol vert_main() { |
| Interface inner_result = vert_main_inner(); |
| tint_symbol wrapper_result = tint_symbol(0.0f, 0.0f, vec4(0.0f, 0.0f, 0.0f, 0.0f)); |
| wrapper_result.pos = inner_result.pos; |
| wrapper_result.col1 = inner_result.col1; |
| wrapper_result.col2 = inner_result.col2; |
| return wrapper_result; |
| } |
| out float col1; |
| out float col2; |
| void main() { |
| tint_symbol outputs; |
| outputs = vert_main(); |
| col1 = outputs.col1; |
| col2 = outputs.col2; |
| gl_Position = outputs.pos; |
| } |
| |
| |
| |
| struct tint_symbol_2 { |
| float col1; |
| float col2; |
| vec4 pos; |
| }; |
| |
| void frag_main_inner(Interface inputs) { |
| float r = inputs.col1; |
| float g = inputs.col2; |
| vec4 p = inputs.pos; |
| } |
| |
| void frag_main(tint_symbol_2 tint_symbol_1) { |
| Interface tint_symbol_4 = Interface(tint_symbol_1.pos, tint_symbol_1.col1, tint_symbol_1.col2); |
| frag_main_inner(tint_symbol_4); |
| return; |
| } |
| in float col1; |
| in float col2; |
| void main() { |
| tint_symbol_2 inputs; |
| inputs.col1 = col1; |
| inputs.col2 = col2; |
| inputs.pos = gl_Position; |
| frag_main(inputs); |
| } |
| |
| |
| )"); |
| } |
| |
| #if 0 |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_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(ast::Builtin::kPosition)})}); |
| |
| Func("foo", {Param("x", ty.f32())}, ty.Of(vertex_output_struct), |
| {Return(Construct(ty.Of(vertex_output_struct), |
| Construct(ty.vec4<f32>(), "x", "x", "x", Expr(1.f))))}, |
| {}); |
| |
| Func("vert_main1", {}, ty.Of(vertex_output_struct), |
| {Return(Construct(ty.Of(vertex_output_struct), |
| Expr(Call("foo", Expr(0.5f)))))}, |
| {Stage(ast::PipelineStage::kVertex)}); |
| |
| Func("vert_main2", {}, ty.Of(vertex_output_struct), |
| {Return(Construct(ty.Of(vertex_output_struct), |
| Expr(Call("foo", Expr(0.25f)))))}, |
| {Stage(ast::PipelineStage::kVertex)}); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| 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(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_With_Uniform) { |
| auto* ubo_ty = Structure("UBO", {Member("coord", ty.vec4<f32>())}, |
| {create<ast::StructBlockDecoration>()}); |
| auto* ubo = Global("ubo", ty.Of(ubo_ty), ast::StorageClass::kUniform, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| Func("sub_func", |
| { |
| Param("param", ty.f32()), |
| }, |
| ty.f32(), |
| { |
| Return(MemberAccessor(MemberAccessor(ubo, "coord"), "x")), |
| }); |
| |
| auto* var = |
| Var("v", ty.f32(), ast::StorageClass::kNone, Call("sub_func", 1.0f)); |
| |
| Func("frag_main", {}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) uniform UBO_1 { |
| vec4 coord; |
| } ubo; |
| |
| float sub_func(float param) { |
| return ubo.coord.x; |
| } |
| |
| void frag_main() { |
| float v = sub_func(1.0f); |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_With_UniformStruct) { |
| auto* s = Structure("Uniforms", {Member("coord", ty.vec4<f32>())}, |
| {create<ast::StructBlockDecoration>()}); |
| |
| Global("uniforms", ty.Of(s), ast::StorageClass::kUniform, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| auto* var = Var("v", ty.f32(), ast::StorageClass::kNone, |
| MemberAccessor(MemberAccessor("uniforms", "coord"), "x")); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) uniform Uniforms_1 { |
| vec4 coord; |
| } uniforms; |
| |
| void frag_main() { |
| float v = uniforms.coord.x; |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_With_RW_StorageBuffer_Read) { |
| auto* s = Structure("Data", |
| { |
| Member("a", ty.i32()), |
| Member("b", ty.f32()), |
| }, |
| {create<ast::StructBlockDecoration>()}); |
| |
| Global("coord", ty.Of(s), ast::StorageClass::kStorage, |
| ast::Access::kReadWrite, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| auto* var = Var("v", ty.f32(), ast::StorageClass::kNone, |
| MemberAccessor("coord", "b")); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) buffer Data_1 { |
| int a; |
| float b; |
| } coord; |
| |
| void frag_main() { |
| float v = coord.b; |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_With_RO_StorageBuffer_Read) { |
| auto* s = Structure("Data", |
| { |
| Member("a", ty.i32()), |
| Member("b", ty.f32()), |
| }, |
| {create<ast::StructBlockDecoration>()}); |
| |
| Global("coord", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kRead, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| auto* var = Var("v", ty.f32(), ast::StorageClass::kNone, |
| MemberAccessor("coord", "b")); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), |
| R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) buffer Data_1 { |
| int a; |
| float b; |
| } coord; |
| |
| void frag_main() { |
| float v = coord.b; |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_With_WO_StorageBuffer_Store) { |
| auto* s = Structure("Data", |
| { |
| Member("a", ty.i32()), |
| Member("b", ty.f32()), |
| }, |
| {create<ast::StructBlockDecoration>()}); |
| |
| Global("coord", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kWrite, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Assign(MemberAccessor("coord", "b"), Expr(2.0f)), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) buffer Data_1 { |
| int a; |
| float b; |
| } coord; |
| |
| void frag_main() { |
| coord.b = 2.0f; |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_With_StorageBuffer_Store) { |
| auto* s = Structure("Data", |
| { |
| Member("a", ty.i32()), |
| Member("b", ty.f32()), |
| }, |
| {create<ast::StructBlockDecoration>()}); |
| |
| Global("coord", ty.Of(s), ast::StorageClass::kStorage, |
| ast::Access::kReadWrite, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Assign(MemberAccessor("coord", "b"), Expr(2.0f)), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) buffer Data_1 { |
| int a; |
| float b; |
| } coord; |
| |
| void frag_main() { |
| coord.b = 2.0f; |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_Called_By_EntryPoint_With_Uniform) { |
| auto* s = Structure("S", {Member("x", ty.f32())}, |
| {create<ast::StructBlockDecoration>()}); |
| Global("coord", ty.Of(s), ast::StorageClass::kUniform, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| Func("sub_func", ast::VariableList{Param("param", ty.f32())}, ty.f32(), |
| { |
| Return(MemberAccessor("coord", "x")), |
| }); |
| |
| auto* var = |
| Var("v", ty.f32(), ast::StorageClass::kNone, Call("sub_func", 1.0f)); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) uniform S_1 { |
| float x; |
| } coord; |
| |
| float sub_func(float param) { |
| return coord.x; |
| } |
| |
| void frag_main() { |
| float v = sub_func(1.0f); |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_Called_By_EntryPoint_With_StorageBuffer) { |
| auto* s = Structure("S", {Member("x", ty.f32())}, |
| {create<ast::StructBlockDecoration>()}); |
| Global("coord", ty.Of(s), ast::StorageClass::kStorage, |
| ast::Access::kReadWrite, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(1), |
| }); |
| |
| Func("sub_func", ast::VariableList{Param("param", ty.f32())}, ty.f32(), |
| { |
| Return(MemberAccessor("coord", "x")), |
| }); |
| |
| auto* var = |
| Var("v", ty.f32(), ast::StorageClass::kNone, Call("sub_func", 1.0f)); |
| |
| Func("frag_main", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), |
| R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) buffer S_1 { |
| float x; |
| } coord; |
| |
| float sub_func(float param) { |
| return coord.x; |
| } |
| |
| void frag_main() { |
| float v = sub_func(1.0f); |
| return; |
| } |
| void main() { |
| frag_main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_WithNameCollision) { |
| Func("centroid", ast::VariableList{}, ty.void_(), {}, |
| { |
| Stage(ast::PipelineStage::kFragment), |
| }); |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| void tint_symbol() { |
| return; |
| } |
| void main() { |
| tint_symbol(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, Emit_Decoration_EntryPoint_Compute) { |
| Func("main", ast::VariableList{}, ty.void_(), |
| { |
| Return(), |
| }, |
| {Stage(ast::PipelineStage::kCompute), WorkgroupSize(1)}); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void main() { |
| return; |
| } |
| void main() { |
| main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_Compute_WithWorkgroup_Literal) { |
| Func("main", ast::VariableList{}, ty.void_(), {}, |
| { |
| Stage(ast::PipelineStage::kCompute), |
| WorkgroupSize(2, 4, 6), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| layout(local_size_x = 2, local_size_y = 4, local_size_z = 6) in; |
| void main() { |
| return; |
| } |
| void main() { |
| main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_Compute_WithWorkgroup_Const) { |
| GlobalConst("width", ty.i32(), Construct(ty.i32(), 2)); |
| GlobalConst("height", ty.i32(), Construct(ty.i32(), 3)); |
| GlobalConst("depth", ty.i32(), Construct(ty.i32(), 4)); |
| Func("main", ast::VariableList{}, ty.void_(), {}, |
| { |
| Stage(ast::PipelineStage::kCompute), |
| WorkgroupSize("width", "height", "depth"), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| const int width = int(2); |
| const int height = int(3); |
| const int depth = int(4); |
| |
| layout(local_size_x = 2, local_size_y = 3, local_size_z = 4) in; |
| void main() { |
| return; |
| } |
| void main() { |
| main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Decoration_EntryPoint_Compute_WithWorkgroup_OverridableConst) { |
| GlobalConst("width", ty.i32(), Construct(ty.i32(), 2), {Override(7u)}); |
| GlobalConst("height", ty.i32(), Construct(ty.i32(), 3), {Override(8u)}); |
| GlobalConst("depth", ty.i32(), Construct(ty.i32(), 4), {Override(9u)}); |
| Func("main", ast::VariableList{}, ty.void_(), {}, |
| { |
| Stage(ast::PipelineStage::kCompute), |
| WorkgroupSize("width", "height", "depth"), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| #ifndef WGSL_SPEC_CONSTANT_7 |
| #define WGSL_SPEC_CONSTANT_7 int(2) |
| #endif |
| const int width = WGSL_SPEC_CONSTANT_7; |
| #ifndef WGSL_SPEC_CONSTANT_8 |
| #define WGSL_SPEC_CONSTANT_8 int(3) |
| #endif |
| const int height = WGSL_SPEC_CONSTANT_8; |
| #ifndef WGSL_SPEC_CONSTANT_9 |
| #define WGSL_SPEC_CONSTANT_9 int(4) |
| #endif |
| const int depth = WGSL_SPEC_CONSTANT_9; |
| |
| layout(local_size_x = WGSL_SPEC_CONSTANT_7, local_size_y = WGSL_SPEC_CONSTANT_8, local_size_z = WGSL_SPEC_CONSTANT_9) in; |
| void main() { |
| return; |
| } |
| void main() { |
| main(); |
| } |
| |
| |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, Emit_Function_WithArrayParams) { |
| Func("my_func", ast::VariableList{Param("a", ty.array<f32, 5>())}, ty.void_(), |
| { |
| Return(), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| void my_func(float a[5]) { |
| return; |
| } |
| )"); |
| } |
| |
| TEST_F(GlslGeneratorImplTest_Function, Emit_Function_WithArrayReturn) { |
| Func("my_func", {}, ty.array<f32, 5>(), |
| { |
| Return(Construct(ty.array<f32, 5>())), |
| }); |
| |
| GeneratorImpl& gen = Build(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| float[5] my_func() { |
| return float[5](0.0f, 0.0f, 0.0f, 0.0f, 0.0f); |
| } |
| )"); |
| } |
| |
| // https://crbug.com/tint/297 |
| TEST_F(GlslGeneratorImplTest_Function, |
| Emit_Multiple_EntryPoint_With_Same_ModuleVar) { |
| // [[block]] struct Data { |
| // d : f32; |
| // }; |
| // [[binding(0), group(0)]] var<storage> data : Data; |
| // |
| // [[stage(compute), workgroup_size(1)]] |
| // fn a() { |
| // var v = data.d; |
| // return; |
| // } |
| // |
| // [[stage(compute), workgroup_size(1)]] |
| // fn b() { |
| // var v = data.d; |
| // return; |
| // } |
| |
| auto* s = Structure("Data", {Member("d", ty.f32())}, |
| {create<ast::StructBlockDecoration>()}); |
| |
| Global("data", ty.Of(s), ast::StorageClass::kStorage, ast::Access::kReadWrite, |
| ast::DecorationList{ |
| create<ast::BindingDecoration>(0), |
| create<ast::GroupDecoration>(0), |
| }); |
| |
| { |
| auto* var = Var("v", ty.f32(), ast::StorageClass::kNone, |
| MemberAccessor("data", "d")); |
| |
| Func("a", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| {Stage(ast::PipelineStage::kCompute), WorkgroupSize(1)}); |
| } |
| |
| { |
| auto* var = Var("v", ty.f32(), ast::StorageClass::kNone, |
| MemberAccessor("data", "d")); |
| |
| Func("b", ast::VariableList{}, ty.void_(), |
| { |
| Decl(var), |
| Return(), |
| }, |
| {Stage(ast::PipelineStage::kCompute), WorkgroupSize(1)}); |
| } |
| |
| GeneratorImpl& gen = SanitizeAndBuild(); |
| |
| ASSERT_TRUE(gen.Generate()) << gen.error(); |
| EXPECT_EQ(gen.result(), R"(#version 310 es |
| precision mediump float; |
| |
| |
| layout (binding = 0) buffer Data_1 { |
| float d; |
| } data; |
| |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void a() { |
| float v = data.d; |
| return; |
| } |
| void main() { |
| a(); |
| } |
| |
| |
| |
| layout(local_size_x = 1, local_size_y = 1, local_size_z = 1) in; |
| void b() { |
| float v = data.d; |
| return; |
| } |
| void main() { |
| b(); |
| } |
| |
| |
| )"); |
| } |
| |
| } // namespace |
| } // namespace glsl |
| } // namespace writer |
| } // namespace tint |