UnitTests/Shader: Add intrinsic tests

tests/Engine/Shader/IntrinsicTests.cpp

@@ -0,0 +1,213 @@
+#include <Engine/Shader/ShaderUtils.hpp>
+#include <Nazara/Core/File.hpp>
+#include <Nazara/Core/StringExt.hpp>
+#include <Nazara/Shader/ShaderBuilder.hpp>
+#include <Nazara/Shader/ShaderLangParser.hpp>
+#include <catch2/catch.hpp>
+#include <cctype>
+
+TEST_CASE("intrinsics", "[Shader]")
+{
+	WHEN("using intrinsics")
+	{
+		std::string_view nzslSource = R"(
+[nzsl_version("1.0")]
+module;
+
+external
+{
+	[set(0), binding(0)] tex: sampler2D[f32]
+}
+
+[entry(frag)]
+fn main()
+{
+	let f1 = 42.0;
+	let f2 = 1337.0;
+	let i1 = 42;
+	let i2 = 1337;
+	let uv = vec2[f32](0.0, 1.0);
+	let v1 = vec3[f32](0.0, 1.0, 2.0);
+	let v2 = vec3[f32](2.0, 1.0, 0.0);
+
+	let crossResult = cross(v1, v2);
+	let dotResult = dot(v1, v2);
+	let expResult1 = exp(v1);
+	let expResult2 = exp(f1);
+	let lengthResult = length(v1);
+	let maxResult1 = max(f1, f2);
+	let maxResult2 = max(i1, i2);
+	let maxResult3 = max(v1, v2);
+	let minResult1 = min(f1, f2);
+	let minResult2 = min(i1, i2);
+	let minResult3 = min(v1, v2);
+	let normalizeResult = normalize(v1);
+	let powResult1 = pow(f1, f2);
+	let powResult2 = pow(v1, v2);
+	let reflectResult = reflect(v1, v2);
+	let sampleResult = tex.Sample(uv);
+}
+)";
+
+		Nz::ShaderAst::ModulePtr shaderModule = Nz::ShaderLang::Parse(nzslSource);
+		shaderModule = SanitizeModule(*shaderModule);
+
+		ExpectGLSL(*shaderModule, R"(
+void main()
+{
+	float f1 = 42.000000;
+	float f2 = 1337.000000;
+	int i1 = 42;
+	int i2 = 1337;
+	vec2 uv = vec2(0.000000, 1.000000);
+	vec3 v1 = vec3(0.000000, 1.000000, 2.000000);
+	vec3 v2 = vec3(2.000000, 1.000000, 0.000000);
+	vec3 crossResult = cross(v1, v2);
+	float dotResult = dot(v1, v2);
+	vec3 expResult1 = exp(v1);
+	float expResult2 = exp(f1);
+	float lengthResult = length(v1);
+	float maxResult1 = max(f1, f2);
+	int maxResult2 = max(i1, i2);
+	vec3 maxResult3 = max(v1, v2);
+	float minResult1 = min(f1, f2);
+	int minResult2 = min(i1, i2);
+	vec3 minResult3 = min(v1, v2);
+	vec3 normalizeResult = normalize(v1);
+	float powResult1 = pow(f1, f2);
+	vec3 powResult2 = pow(v1, v2);
+	vec3 reflectResult = reflect(v1, v2);
+	vec4 sampleResult = texture(tex, uv);
+}
+)");
+
+		ExpectNZSL(*shaderModule, R"(
+fn main()
+{
+	let f1: f32 = 42.000000;
+	let f2: f32 = 1337.000000;
+	let i1: i32 = 42;
+	let i2: i32 = 1337;
+	let uv: vec2[f32] = vec2[f32](0.000000, 1.000000);
+	let v1: vec3[f32] = vec3[f32](0.000000, 1.000000, 2.000000);
+	let v2: vec3[f32] = vec3[f32](2.000000, 1.000000, 0.000000);
+	let crossResult: vec3[f32] = cross(v1, v2);
+	let dotResult: f32 = dot(v1, v2);
+	let expResult1: vec3[f32] = exp(v1);
+	let expResult2: f32 = exp(f1);
+	let lengthResult: f32 = length(v1);
+	let maxResult1: f32 = max(f1, f2);
+	let maxResult2: i32 = max(i1, i2);
+	let maxResult3: vec3[f32] = max(v1, v2);
+	let minResult1: f32 = min(f1, f2);
+	let minResult2: i32 = min(i1, i2);
+	let minResult3: vec3[f32] = min(v1, v2);
+	let normalizeResult: vec3[f32] = normalize(v1);
+	let powResult1: f32 = pow(f1, f2);
+	let powResult2: vec3[f32] = pow(v1, v2);
+	let reflectResult: vec3[f32] = reflect(v1, v2);
+	let sampleResult: vec4[f32] = tex.Sample(uv);
+}
+)");
+
+		ExpectSPIRV(*shaderModule, R"(
+OpFunction
+OpLabel
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpVariable
+OpStore
+OpStore
+OpStore
+OpStore
+OpCompositeConstruct
+OpStore
+OpCompositeConstruct
+OpStore
+OpCompositeConstruct
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpDot
+OpStore
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpExtInst
+OpStore
+OpLoad
+OpLoad
+OpImageSampleImplicitLod
+OpStore
+OpReturn
+OpFunctionEnd)");
+	}
+	
+}