Vulkan Refactoring - Added KRRenderPass, WIP refactorign KRScene::RenderFrame

2022-03-27 21:34:19 -07:00
parent 9bdfb0feea
commit 2818deb0e3
11 changed files with 244 additions and 95 deletions
--- a/kraken/KRRenderPass.cpp
+++ b/kraken/KRRenderPass.cpp
@@ -0,0 +1,117 @@
+//
+//  KRSurface.cpp
+//  Kraken Engine
+//
+//  Copyright 2022 Kearwood Gilbert. All rights reserved.
+//
+//  Redistribution and use in source and binary forms, with or without modification, are
+//  permitted provided that the following conditions are met:
+//
+//  1. Redistributions of source code must retain the above copyright notice, this list of
+//  conditions and the following disclaimer.
+//
+//  2. Redistributions in binary form must reproduce the above copyright notice, this list
+//  of conditions and the following disclaimer in the documentation and/or other materials
+//  provided with the distribution.
+//
+//  THIS SOFTWARE IS PROVIDED BY KEARWOOD GILBERT ''AS IS'' AND ANY EXPRESS OR IMPLIED
+//  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND
+//  FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KEARWOOD GILBERT OR
+//  CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+//  CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+//  SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+//  ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
+//  NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+//  ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+//
+//  The views and conclusions contained in the software and documentation are those of the
+//  authors and should not be interpreted as representing official policies, either expressed
+//  or implied, of Kearwood Gilbert.
+//
+
+#include "KRRenderPass.h"
+
+KRRenderPass::KRRenderPass(KRContext& context)
+  : KRContextObject(context)
+  ,  m_renderPass(VK_NULL_HANDLE)
+{
+
+}
+
+KRRenderPass::~KRRenderPass()
+{
+  assert(m_renderPass == VK_NULL_HANDLE);
+}
+
+void KRRenderPass::create(KRDevice &device, VkFormat swapChainImageFormat, VkFormat depthImageFormat)
+{
+  if (m_renderPass) {
+    return;
+  }
+
+  VkAttachmentDescription colorAttachment{};
+  colorAttachment.format = swapChainImageFormat;
+  colorAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
+  colorAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
+  colorAttachment.storeOp = VK_ATTACHMENT_STORE_OP_STORE;
+  colorAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+  colorAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+  colorAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+  colorAttachment.finalLayout = VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
+
+
+  VkAttachmentDescription depthAttachment{};
+  depthAttachment.format = depthImageFormat;
+  depthAttachment.samples = VK_SAMPLE_COUNT_1_BIT;
+  depthAttachment.loadOp = VK_ATTACHMENT_LOAD_OP_CLEAR;
+  depthAttachment.storeOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+  depthAttachment.stencilLoadOp = VK_ATTACHMENT_LOAD_OP_DONT_CARE;
+  depthAttachment.stencilStoreOp = VK_ATTACHMENT_STORE_OP_DONT_CARE;
+  depthAttachment.initialLayout = VK_IMAGE_LAYOUT_UNDEFINED;
+  depthAttachment.finalLayout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+
+  VkAttachmentReference depthAttachmentRef{};
+  depthAttachmentRef.attachment = 1;
+  depthAttachmentRef.layout = VK_IMAGE_LAYOUT_DEPTH_STENCIL_ATTACHMENT_OPTIMAL;
+
+  VkAttachmentReference colorAttachmentRef{};
+  colorAttachmentRef.attachment = 0;
+  colorAttachmentRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
+
+  VkSubpassDescription subpass{};
+  subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
+  subpass.colorAttachmentCount = 1;
+  subpass.pColorAttachments = &colorAttachmentRef;
+  subpass.pDepthStencilAttachment = &depthAttachmentRef;
+
+  VkSubpassDependency dependency{};
+  dependency.srcSubpass = VK_SUBPASS_EXTERNAL;
+  dependency.dstSubpass = 0;
+  dependency.srcStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
+  dependency.srcAccessMask = 0;
+  dependency.dstStageMask = VK_PIPELINE_STAGE_COLOR_ATTACHMENT_OUTPUT_BIT | VK_PIPELINE_STAGE_EARLY_FRAGMENT_TESTS_BIT;
+  dependency.dstAccessMask = VK_ACCESS_COLOR_ATTACHMENT_WRITE_BIT | VK_ACCESS_DEPTH_STENCIL_ATTACHMENT_WRITE_BIT;
+
+  std::array<VkAttachmentDescription, 2> attachments = { colorAttachment, depthAttachment };
+
+  VkRenderPassCreateInfo renderPassInfo{};
+  renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
+  renderPassInfo.attachmentCount = static_cast<uint32_t>(attachments.size());
+  renderPassInfo.pAttachments = attachments.data();
+  renderPassInfo.subpassCount = 1;
+  renderPassInfo.pSubpasses = &subpass;
+  renderPassInfo.dependencyCount = 1;
+  renderPassInfo.pDependencies = &dependency;
+
+  if (vkCreateRenderPass(device.m_logicalDevice, &renderPassInfo, nullptr, &m_renderPass) != VK_SUCCESS) {
+    // failed! TODO - Error handling
+  }
+}
+
+void KRRenderPass::destroy(KRDevice &device)
+{
+  if (m_renderPass) {
+    vkDestroyRenderPass(device.m_logicalDevice, m_renderPass, nullptr);
+    m_renderPass = VK_NULL_HANDLE;
+  }
+}