cleanup and refactoring

raytracer/nvpro_core/nvvk/gizmos_vk.hpp

@@ -0,0 +1,101 @@
+/*
+ * Copyright (c) 2014-2021, NVIDIA CORPORATION.  All rights reserved.
+ *
+ * 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.
+ *
+ * SPDX-FileCopyrightText: Copyright (c) 2014-2021 NVIDIA CORPORATION
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+#pragma once
+#include <array>
+#include <vector>
+
+#include <vulkan/vulkan_core.h>
+
+#include <glm/glm.hpp>
+#include "nvvk/pipeline_vk.hpp"  // Using the Pipeline Generator Utility
+
+
+namespace nvvk {
+
+//--------------------------------------------------------------------------------------------------
+/** @DOC_START
+ # class nvvk::Axis
+
+ nvvk::Axis displays an Axis representing the orientation of the camera in the bottom left corner of the window.
+ - Initialize the Axis using `init()`
+ - Add `display()` in a inline rendering pass, one of the lass command
+ 
+ Example:  
+ ```cpp
+ m_axis.display(cmdBuf, CameraManip.getMatrix(), windowSize);
+ ``` 
+@DOC_END */
+
+class AxisVK
+{
+public:
+  struct CreateAxisInfo
+  {
+    VkRenderPass          renderPass{VK_NULL_HANDLE};
+    uint32_t              subpass{0};
+    std::vector<VkFormat> colorFormat;
+    VkFormat              depthFormat{};
+    VkFormat              stencilFormat{};
+    float                 axisSize{50.f};
+  };
+
+
+  void init(VkDevice device, VkRenderPass renderPass, uint32_t subpass = 0, float axisSize = 50.f)
+  {
+    m_device   = device;
+    m_axisSize = axisSize;
+
+    CreateAxisInfo info;
+    info.renderPass = renderPass;
+    info.subpass    = subpass;
+    createAxisObject(info);
+  }
+
+  void init(VkDevice device, CreateAxisInfo info)
+  {
+    m_device   = device;
+    m_axisSize = info.axisSize;
+    createAxisObject(info);
+  }
+
+  void deinit()
+  {
+    vkDestroyPipeline(m_device, m_pipelineTriangleFan, nullptr);
+    vkDestroyPipeline(m_device, m_pipelineLines, nullptr);
+    vkDestroyPipelineLayout(m_device, m_pipelineLayout, nullptr);
+  }
+
+  void display(VkCommandBuffer cmdBuf, const glm::mat4& transform, const VkExtent2D& screenSize);
+
+  void setAxisSize(float s) { m_axisSize = s; }
+
+private:
+  void createAxisObject(CreateAxisInfo& info);
+
+  VkPipeline       m_pipelineTriangleFan = {};
+  VkPipeline       m_pipelineLines       = {};
+  VkPipelineLayout m_pipelineLayout      = {};
+  float            m_axisSize            = 50.f;  // Size in pixel
+
+  VkDevice m_device{VK_NULL_HANDLE};
+};
+
+}  // namespace nvvk