cleanup and refactoring

raytracer/nvpro_core/nvvk/renderpasses_vk.hpp

@@ -0,0 +1,52 @@
+/*
+ * Copyright (c) 2018-2021, 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) 2018-2021 NVIDIA CORPORATION
+ * SPDX-License-Identifier: Apache-2.0
+ */
+
+
+#pragma once
+
+#include <vector>
+#include <vulkan/vulkan_core.h>
+
+namespace nvvk {
+/** @DOC_START
+  # functions in nvvk
+
+  - findSupportedFormat : returns supported VkFormat from a list of candidates (returns first match)
+  - findDepthFormat : returns supported depth format (24, 32, 16-bit)
+  - findDepthStencilFormat : returns supported depth-stencil format (24/8, 32/8, 16/8-bit)
+  - createRenderPass : wrapper for vkCreateRenderPass
+
+@DOC_END */
+VkFormat findSupportedFormat(VkPhysicalDevice physicalDevice, const std::vector<VkFormat>& candidates, VkImageTiling tiling, VkFormatFeatureFlags features);
+VkFormat findDepthFormat(VkPhysicalDevice physicalDevice);
+VkFormat findDepthStencilFormat(VkPhysicalDevice physicalDevice);
+
+//////////////////////////////////////////////////////////////////////////
+
+VkRenderPass createRenderPass(VkDevice                     device,
+                              const std::vector<VkFormat>& colorAttachmentFormats,
+                              VkFormat                     depthAttachmentFormat,
+                              uint32_t                     subpassCount  = 1,
+                              bool                         clearColor    = true,
+                              bool                         clearDepth    = true,
+                              VkImageLayout                initialLayout = VK_IMAGE_LAYOUT_UNDEFINED,
+                              VkImageLayout                finalLayout   = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR);
+
+
+}  // namespace nvvk