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Add shader uniform-read unit test

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This commit is contained in:
Wunkolo 2024-03-19 11:22:58 -07:00
parent 5488e9ca7c
commit 46feff32bd
1 changed files with 29 additions and 0 deletions
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29
tests/shader.cpp
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@ -269,3 +269,32 @@ SHADER_TEST_CASE("FLR", "[shader][vertex]") {
REQUIRE(std::isnan(shader->runScalar({NAN}))); REQUIRE(std::isnan(shader->runScalar({NAN})));
REQUIRE(std::isinf(shader->runScalar({INFINITY}))); REQUIRE(std::isinf(shader->runScalar({INFINITY})));
} }
SHADER_TEST_CASE("Uniform Read", "[shader][vertex][uniform]") {
const auto constant0 = nihstro::SourceRegister::MakeFloat(0);
auto shader = TestType::assembleTest({
{nihstro::OpCode::Id::MOVA, nihstro::DestRegister{}, "x", input0, "x", nihstro::SourceRegister{}, "", nihstro::InlineAsm::RelativeAddress::A1
},
{nihstro::OpCode::Id::MOV, output0, "xyzw", constant0, "xyzw", nihstro::SourceRegister{}, "", nihstro::InlineAsm::RelativeAddress::A1},
{nihstro::OpCode::Id::END},
});
// Generate float uniforms
std::array<std::array<Floats::f24, 4>, 96> floatUniforms = {};
for (u32 i = 0; i < 96; ++i) {
const float color = (i * 2.0f) / 255.0f;
const Floats::f24 color24 = Floats::f24::fromFloat32(color);
const std::array<Floats::f24, 4> testValue = {color24, color24, color24, Floats::f24::fromFloat32(1.0f)};
shader->floatUniforms()[i] = testValue;
floatUniforms[i] = testValue;
}
for (u32 i = 0; i < 96; ++i) {
const float index = static_cast<float>(i);
// Intentionally use some fractional values to verify float->integer
// truncation during address translation
const float fractional = (i % 17) / 17.0f;
REQUIRE(shader->runVector({index + fractional}) == floatUniforms[i]);
}
}