Add support for shader termination via discard

Signed-off-by: Tobias Frisch <tfrisch@uni-koblenz.de>

include/vkcv/FeatureManager.hpp

@@ -354,6 +354,16 @@ namespace vkcv {
 		 */
 		[[nodiscard]] bool checkSupport(const vk::PhysicalDeviceIndexTypeUint8FeaturesEXT &features,
 										bool required) const;
+		
+		/**
+		 * @brief Checks support of the @p vk::PhysicalDeviceShaderTerminateInvocationFeatures.
+		 *
+		 * @param[in] features The features
+		 * @param[in] required True, if the @p features are required, else false
+		 * @return @p True, if the @p features are supported, else @p false
+		 */
+		[[nodiscard]] bool checkSupport(const vk::PhysicalDeviceShaderTerminateInvocationFeatures &features,
+										bool required) const;
 
 		/**
 		 * @brief Searches for a base structure of a given structure type.

src/vkcv/FeatureManager.cpp

@@ -504,6 +504,15 @@ namespace vkcv {
 		
 		return true;
 	}
+	
+	bool FeatureManager::checkSupport(const vk::PhysicalDeviceShaderTerminateInvocationFeatures &features,
+									  bool required) const {
+		vkcv_check_init_features2(vk::PhysicalDeviceShaderTerminateInvocationFeatures);
+		
+		vkcv_check_feature(shaderTerminateInvocation);
+		
+		return true;
+	}
 
 	vk::BaseOutStructure* FeatureManager::findFeatureStructure(vk::StructureType type) const {
 		for (auto &base : m_featuresExtensions) {