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samples/performance/render_passes/render_passes.h

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+/* Copyright (c) 2018-2025, 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 <iomanip>        // setprecision
+#include <sstream>        // stringstream
+
+#include "scene_graph/components/perspective_camera.h"
+#include "vulkan_sample.h"
+
+/**
+ * @brief Appropriate use of render pass attachment operations
+ */
+class RenderPassesSample : public vkb::VulkanSampleC
+{
+  public:
+	RenderPassesSample();
+
+	bool prepare(const vkb::ApplicationOptions &options) override;
+
+	void draw_gui() override;
+
+	/**
+	 * @brief Struct that contains radio button labeling
+	 * and the value which one is selected
+	 */
+	struct RadioButtonGroup
+	{
+		const char *description;
+
+		std::vector<const char *> options;
+
+		int value;
+	};
+
+	struct CheckBox
+	{
+		const char *description;
+
+		bool value;
+	};
+
+  private:
+	void reset_stats_view() override;
+
+	void draw_renderpass(vkb::core::CommandBufferC &command_buffer, vkb::RenderTarget &render_target) override;
+
+	vkb::sg::PerspectiveCamera *camera{nullptr};
+
+	// Whether to use vkCmdClear or not
+	bool cmd_clear = false;
+
+	RadioButtonGroup load{
+	    "Color attachment load operation",
+	    {"Load", "Clear", "Don't care"},
+	    0};
+
+	RadioButtonGroup store{
+	    "Depth attachment store operation",
+	    {"Store", "Don't care"},
+	    1};
+
+	std::vector<RadioButtonGroup *> radio_buttons = {&load, &store};
+
+	float frame_rate;
+};
+
+std::unique_ptr<vkb::VulkanSampleC> create_render_passes();