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graphics pipeline

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This commit is contained in:
Mahdi Dibaiee 2023-01-25 09:40:14 +00:00
parent 3b255fcd46
commit 1c3dac6596
1 changed files with 61 additions and 0 deletions
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61
main.cpp
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@ -73,7 +73,9 @@ private:
const uint32_t WIDTH = 800; const uint32_t WIDTH = 800;
const uint32_t HEIGHT = 600; const uint32_t HEIGHT = 600;
VkRenderPass renderPass;
VkPipelineLayout pipelineLayout; VkPipelineLayout pipelineLayout;
VkPipeline graphicsPipeline;
std::vector<VkDynamicState> dynamicStates = { std::vector<VkDynamicState> dynamicStates = {
VK_DYNAMIC_STATE_VIEWPORT, VK_DYNAMIC_STATE_VIEWPORT,
@ -96,9 +98,44 @@ private:
createSwapChain(); createSwapChain();
createImageViews(); createImageViews();
createRenderPass();
createGraphicsPipeline(); createGraphicsPipeline();
} }
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 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;
VkRenderPassCreateInfo renderPassInfo{};
renderPassInfo.sType = VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
renderPassInfo.attachmentCount = 1;
renderPassInfo.pAttachments = &colorAttachment;
renderPassInfo.subpassCount = 1;
renderPassInfo.pSubpasses = &subpass;
VkResult result = vkCreateRenderPass(device, &renderPassInfo, nullptr, &renderPass);
if (result != VK_SUCCESS) {
std::cout << "error creating render pass: " << result << std::endl;
throw std::runtime_error("failed to create render pass!");
}
}
void createGraphicsPipeline() { void createGraphicsPipeline() {
auto vertShaderCode = readFile("shaders/vert.spv"); auto vertShaderCode = readFile("shaders/vert.spv");
auto fragShaderCode = readFile("shaders/frag.spv"); auto fragShaderCode = readFile("shaders/frag.spv");
@ -210,6 +247,28 @@ private:
throw std::runtime_error("failed to create pipeline layout!"); throw std::runtime_error("failed to create pipeline layout!");
} }
VkGraphicsPipelineCreateInfo pipelineInfo{};
pipelineInfo.sType = VK_STRUCTURE_TYPE_GRAPHICS_PIPELINE_CREATE_INFO;
pipelineInfo.stageCount = 2;
pipelineInfo.pStages = shaderStages;
pipelineInfo.pVertexInputState = &vertexInputInfo;
pipelineInfo.pInputAssemblyState = &inputAssembly;
pipelineInfo.pViewportState = &viewportState;
pipelineInfo.pRasterizationState = &rasterizer;
pipelineInfo.pMultisampleState = &multisampling;
pipelineInfo.pDepthStencilState = nullptr; // Optional
pipelineInfo.pColorBlendState = &colorBlending;
pipelineInfo.pDynamicState = &dynamicState;
pipelineInfo.layout = pipelineLayout;
pipelineInfo.renderPass = renderPass;
pipelineInfo.subpass = 0;
pipelineInfo.basePipelineHandle = VK_NULL_HANDLE; // Optional
pipelineInfo.basePipelineIndex = -1; // Optional
if (vkCreateGraphicsPipelines(device, VK_NULL_HANDLE, 1, &pipelineInfo, nullptr, &graphicsPipeline) != VK_SUCCESS) {
throw std::runtime_error("failed to create graphics pipeline!");
}
vkDestroyShaderModule(device, fragShaderModule, nullptr); vkDestroyShaderModule(device, fragShaderModule, nullptr);
vkDestroyShaderModule(device, vertShaderModule, nullptr); vkDestroyShaderModule(device, vertShaderModule, nullptr);
} }
@ -649,7 +708,9 @@ private:
} }
void cleanup() { void cleanup() {
vkDestroyPipeline(device, graphicsPipeline, nullptr);
vkDestroyPipelineLayout(device, pipelineLayout, nullptr); vkDestroyPipelineLayout(device, pipelineLayout, nullptr);
vkDestroyRenderPass(device, renderPass, nullptr);
for (auto imageView : swapChainImageViews) { for (auto imageView : swapChainImageViews) {
vkDestroyImageView(device, imageView, nullptr); vkDestroyImageView(device, imageView, nullptr);
} }