New rules based order

tests/RenderCadenceCompositorRuntimeShaderParamsTests.cpp

@@ -0,0 +1,110 @@
+#include "RuntimeShaderParams.h"
+
+#include <cstring>
+#include <iostream>
+#include <string>
+#include <vector>
+
+namespace
+{
+void Expect(bool condition, const char* message)
+{
+	if (!condition)
+	{
+		std::cerr << "FAILED: " << message << "\n";
+		std::exit(1);
+	}
+}
+
+float ReadFloat(const std::vector<unsigned char>& buffer, std::size_t offset)
+{
+	float value = 0.0f;
+	std::memcpy(&value, buffer.data() + offset, sizeof(value));
+	return value;
+}
+
+int ReadInt(const std::vector<unsigned char>& buffer, std::size_t offset)
+{
+	int value = 0;
+	std::memcpy(&value, buffer.data() + offset, sizeof(value));
+	return value;
+}
+
+ShaderParameterDefinition FloatParam(const std::string& id, double defaultValue)
+{
+	ShaderParameterDefinition definition;
+	definition.id = id;
+	definition.label = id;
+	definition.type = ShaderParameterType::Float;
+	definition.defaultNumbers = { defaultValue };
+	return definition;
+}
+
+ShaderParameterDefinition Vec2Param()
+{
+	ShaderParameterDefinition definition;
+	definition.id = "offset";
+	definition.label = "Offset";
+	definition.type = ShaderParameterType::Vec2;
+	definition.defaultNumbers = { 2.0, 3.0 };
+	return definition;
+}
+
+ShaderParameterDefinition ColorParam()
+{
+	ShaderParameterDefinition definition;
+	definition.id = "tint";
+	definition.label = "Tint";
+	definition.type = ShaderParameterType::Color;
+	definition.defaultNumbers = { 0.25, 0.5, 0.75, 1.0 };
+	return definition;
+}
+
+ShaderParameterDefinition BoolParam()
+{
+	ShaderParameterDefinition definition;
+	definition.id = "enabled";
+	definition.label = "Enabled";
+	definition.type = ShaderParameterType::Boolean;
+	definition.defaultBoolean = true;
+	return definition;
+}
+
+ShaderParameterDefinition EnumParam()
+{
+	ShaderParameterDefinition definition;
+	definition.id = "mode";
+	definition.label = "Mode";
+	definition.type = ShaderParameterType::Enum;
+	definition.defaultEnumValue = "hard";
+	definition.enumOptions = { { "soft", "Soft" }, { "hard", "Hard" } };
+	return definition;
+}
+}
+
+int main()
+{
+	RuntimeShaderArtifact artifact;
+	artifact.parameterDefinitions.push_back(FloatParam("gain", 0.5));
+	artifact.parameterDefinitions.push_back(Vec2Param());
+	artifact.parameterDefinitions.push_back(ColorParam());
+	artifact.parameterDefinitions.push_back(BoolParam());
+	artifact.parameterDefinitions.push_back(EnumParam());
+
+	const std::vector<unsigned char> buffer = BuildRuntimeShaderGlobalParamsStd140(artifact, 120, 1920, 1080);
+
+	Expect(buffer.size() == 112, "runtime shader params block keeps expected std140 size");
+	Expect(ReadFloat(buffer, 0) == 2.0f, "time is derived from frame index at 60 fps");
+	Expect(ReadFloat(buffer, 8) == 1920.0f, "input width is packed after std140 vec2 alignment");
+	Expect(ReadFloat(buffer, 12) == 1080.0f, "input height is packed after std140 vec2 alignment");
+	Expect(ReadFloat(buffer, 60) == 0.5f, "float default parameter is packed");
+	Expect(ReadFloat(buffer, 64) == 2.0f, "vec2 default x is packed");
+	Expect(ReadFloat(buffer, 68) == 3.0f, "vec2 default y is packed");
+	Expect(ReadFloat(buffer, 80) == 0.25f, "color default red is packed on vec4 alignment");
+	Expect(ReadFloat(buffer, 92) == 1.0f, "color default alpha is packed");
+	Expect(ReadInt(buffer, 96) == 1, "bool default is packed as int");
+	Expect(ReadInt(buffer, 100) == 1, "enum default is packed as selected option index");
+
+	std::cout << "RenderCadenceCompositorRuntimeShaderParams tests passed.\n";
+	return 0;
+}