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Creating the render pass object

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This commit is contained in:
Nigel Barink
2023-05-05 20:45:21 +02:00
parent 3e3bfca3de
commit 42ed83316e
1 changed files with 36 additions and 0 deletions
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36
Hello_triangle/main.cpp
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@@ -60,6 +60,7 @@ const std::vector<const char*> deviceExtensions = {
VkFormat swapChainImageFormat;
VkExtent2D swapChainExtent;
std::vector<VkImageView> swapChainImageViews;
VkRenderPass renderPass;
VkPipelineLayout pipelineLayout;
@@ -87,6 +88,7 @@ const std::vector<const char*> deviceExtensions = {
createLogicalDevice();
createSwapChain();
createImageViews();
createRenderPass();
createGraphicsPipeline();
}
@@ -235,6 +237,39 @@ const std::vector<const char*> deviceExtensions = {
}
void createRenderPass() {
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;
VkAttachmentReference colorAttachementRef{};
colorAttachementRef.attachment = 0;
colorAttachementRef.layout = VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
VkSubpassDescription subpass{};
subpass.pipelineBindPoint = VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = &colorAttachementRef;
VkRenderPassCreateInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = 1;
renderPassInfo.pAttachments = &colorAttachment;
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subpass;
if (vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass) != VK_SUCCESS) {
throw std::runtime_error("Failed to create render pass!");
}
}
void createGraphicsPipeline() {
auto vertShaderCode = readFile("shaders/vert.spv");
auto fragShaderCode = readFile("shaders/frag.spv");
@@ -684,6 +719,7 @@ const std::vector<const char*> deviceExtensions = {
void cleanup(){
vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyRenderPass(device, renderPass, nullptr);
for (auto imageView : swapChainImageViews) {
vkDestroyImageView(device, imageView, nullptr);