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2025-09-04 10:54:47 +08:00
commit 6bc8f61b18
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+/* Copyright (c) 2021-2024, Arm Limited and Contributors
+ *
+ * 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.
+ */
+
+#pragma once
+
+#include "api_vulkan_sample.h"
+#include <memory>
+#include <vector>
+
+class BufferDeviceAddress : public ApiVulkanSample
+{
+  public:
+	BufferDeviceAddress();
+	~BufferDeviceAddress();
+
+  private:
+	virtual void request_gpu_features(vkb::PhysicalDevice &gpu) override;
+	virtual void render(float delta_time) override;
+	virtual void build_command_buffers() override;
+	virtual void on_update_ui_overlay(vkb::Drawer &drawer) override;
+	virtual bool prepare(const vkb::ApplicationOptions &options) override;
+
+	void             create_pipelines();
+	VkPipelineLayout create_pipeline_layout(bool graphics);
+	void             create_compute_pipeline();
+	void             create_graphics_pipeline();
+
+	void update_pointer_buffer(VkCommandBuffer cmd);
+	void update_meshlets(VkCommandBuffer cmd);
+
+	struct Pipelines
+	{
+		VkPipelineLayout compute_pipeline_layout{};
+		VkPipelineLayout graphics_pipeline_layout{};
+		VkPipeline       bindless_vbo_pipeline{};
+		VkPipeline       compute_update_pipeline{};
+	} pipelines;
+
+	struct TestBuffer
+	{
+		VkBuffer        buffer{};
+		VkDeviceMemory  memory{};
+		VkDeviceAddress gpu_address{};
+	};
+	std::vector<TestBuffer> test_buffers;
+	void                    create_vbo_buffers();
+	TestBuffer              create_vbo_buffer();
+	TestBuffer              create_pointer_buffer();
+	TestBuffer              pointer_buffer;
+
+	std::unique_ptr<vkb::core::BufferC> create_index_buffer();
+	std::unique_ptr<vkb::core::BufferC> index_buffer;
+
+	std::default_random_engine            rnd{42};
+	std::uniform_real_distribution<float> distribution{0.0f, 0.1f};
+	uint32_t                              descriptor_offset{};
+	float                                 accumulated_time{};
+	uint32_t                              num_indices_per_mesh{};
+};
+
+std::unique_ptr<vkb::VulkanSampleC> create_buffer_device_address();