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samples/extensions/hpp_mesh_shading/hpp_mesh_shading.h

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+/* Copyright (c) 2024-2025, NVIDIA CORPORATION. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * 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.
+ */
+
+/*
+ * Basic example for VK_EXT_mesh_shader, using Vulkan-Hpp.
+ * There is only a mesh shader and a fragment shader. The mesh shader creates the vertices for a single triangle.
+ */
+
+#pragma once
+
+#include <hpp_api_vulkan_sample.h>
+
+class HPPMeshShading : public HPPApiVulkanSample
+{
+  public:
+	HPPMeshShading();
+	~HPPMeshShading() override;
+
+  private:
+	// from vkb::Application
+	bool prepare(const vkb::ApplicationOptions &options) override;
+
+	// from vkb::VulkanSample
+	void request_gpu_features(vkb::core::HPPPhysicalDevice &gpu) override;
+
+	// from HPPApiVulkanSample
+	void build_command_buffers() override;
+	void render(float delta_time) override;
+
+	vk::Pipeline create_pipeline();
+	void         draw();
+
+  private:
+	vk::Pipeline            pipeline              = nullptr;
+	vk::PipelineLayout      pipeline_layout       = nullptr;
+	vk::DescriptorSet       descriptor_set        = nullptr;
+	vk::DescriptorSetLayout descriptor_set_layout = nullptr;
+};
+
+std::unique_ptr<vkb::VulkanSampleCpp> create_hpp_mesh_shading();