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// Copyright 2020 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 "src/tint/writer/hlsl/test_helper.h"
using namespace tint::number_suffixes; // NOLINT
namespace tint::writer::hlsl {
namespace {
using HlslGeneratorImplTest_Assign = TestHelper;
TEST_F(HlslGeneratorImplTest_Assign, Emit_Assign) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.i32())),
Decl(Var("rhs", ty.i32())),
Assign("lhs", "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void fn() {
int lhs = 0;
int rhs = 0;
lhs = rhs;
}
)");
}
TEST_F(HlslGeneratorImplTest_Assign, Emit_Vector_Assign_ConstantIndex) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.vec3<f32>())),
Decl(Var("rhs", ty.f32())),
Decl(Let("index", ty.u32(), Expr(0_u))),
Assign(IndexAccessor("lhs", "index"), "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void fn() {
float3 lhs = float3(0.0f, 0.0f, 0.0f);
float rhs = 0.0f;
const uint index = 0u;
lhs[index] = rhs;
}
)");
}
TEST_F(HlslGeneratorImplTest_Assign, Emit_Vector_Assign_DynamicIndex) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.vec3<f32>())),
Decl(Var("rhs", ty.f32())),
Decl(Var("index", ty.u32())),
Assign(IndexAccessor("lhs", "index"), "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void set_float3(inout float3 vec, int idx, float val) {
vec = (idx.xxx == int3(0, 1, 2)) ? val.xxx : vec;
}
void fn() {
float3 lhs = float3(0.0f, 0.0f, 0.0f);
float rhs = 0.0f;
uint index = 0u;
set_float3(lhs, index, rhs);
}
)");
}
TEST_F(HlslGeneratorImplTest_Assign, Emit_Matrix_Assign_Vector_ConstantIndex) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.mat4x2<f32>())),
Decl(Var("rhs", ty.vec2<f32>())),
Decl(Let("index", ty.u32(), Expr(0_u))),
Assign(IndexAccessor("lhs", "index"), "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void fn() {
float4x2 lhs = float4x2(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
float2 rhs = float2(0.0f, 0.0f);
const uint index = 0u;
lhs[index] = rhs;
}
)");
}
TEST_F(HlslGeneratorImplTest_Assign, Emit_Matrix_Assign_Vector_DynamicIndex) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.mat4x2<f32>())),
Decl(Var("rhs", ty.vec2<f32>())),
Decl(Var("index", ty.u32())),
Assign(IndexAccessor("lhs", "index"), "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void set_vector_float4x2(inout float4x2 mat, int col, float2 val) {
switch (col) {
case 0: mat[0] = val; break;
case 1: mat[1] = val; break;
case 2: mat[2] = val; break;
case 3: mat[3] = val; break;
}
}
void fn() {
float4x2 lhs = float4x2(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
float2 rhs = float2(0.0f, 0.0f);
uint index = 0u;
set_vector_float4x2(lhs, index, rhs);
}
)");
}
TEST_F(HlslGeneratorImplTest_Assign, Emit_Matrix_Assign_Scalar_ConstantIndex) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.mat4x2<f32>())),
Decl(Var("rhs", ty.f32())),
Decl(Let("index", ty.u32(), Expr(0_u))),
Assign(IndexAccessor(IndexAccessor("lhs", "index"), "index"), "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void fn() {
float4x2 lhs = float4x2(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
float rhs = 0.0f;
const uint index = 0u;
lhs[index][index] = rhs;
}
)");
}
TEST_F(HlslGeneratorImplTest_Assign, Emit_Matrix_Assign_Scalar_DynamicIndex) {
Func("fn", {}, ty.void_(),
{
Decl(Var("lhs", ty.mat4x2<f32>())),
Decl(Var("rhs", ty.f32())),
Decl(Var("index", ty.u32())),
Assign(IndexAccessor(IndexAccessor("lhs", "index"), "index"), "rhs"),
});
GeneratorImpl& gen = Build();
ASSERT_TRUE(gen.Generate());
EXPECT_EQ(gen.result(),
R"(void set_scalar_float4x2(inout float4x2 mat, int col, int row, float val) {
switch (col) {
case 0:
mat[0] = (row.xx == int2(0, 1)) ? val.xx : mat[0];
break;
case 1:
mat[1] = (row.xx == int2(0, 1)) ? val.xx : mat[1];
break;
case 2:
mat[2] = (row.xx == int2(0, 1)) ? val.xx : mat[2];
break;
case 3:
mat[3] = (row.xx == int2(0, 1)) ? val.xx : mat[3];
break;
}
}
void fn() {
float4x2 lhs = float4x2(0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f, 0.0f);
float rhs = 0.0f;
uint index = 0u;
set_scalar_float4x2(lhs, index, index, rhs);
}
)");
}
} // namespace
} // namespace tint::writer::hlsl