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WIP: "Graphics pipeline basics: Render passes"

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TODO: "Graphics pipeline basics: Conclusion"
https://vulkan-tutorial.com/Drawing_a_triangle/Graphics_pipeline_basics/Conclusion
This commit is contained in:
Stephen Seo 2024-03-13 12:07:51 +09:00
parent 1def795b77
commit 0ea1243ddc
1 changed files with 56 additions and 0 deletions
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56
src/main.rs
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@ -171,6 +171,7 @@ struct VulkanApp {
swap_chain_image_format: ffi::VkFormat,
swap_chain_extent: ffi::VkExtent2D,
swap_chain_image_views: Vec<ffi::VkImageView>,
render_pass: ffi::VkRenderPass,
pipeline_layout: ffi::VkPipelineLayout,
}
@ -190,6 +191,7 @@ impl VulkanApp {
swap_chain_image_format: 0,
swap_chain_extent: unsafe { std::mem::zeroed() },
swap_chain_image_views: Vec::new(),
render_pass: std::ptr::null_mut(),
pipeline_layout: std::ptr::null_mut(),
}
}
@ -226,6 +228,7 @@ impl VulkanApp {
self.create_logical_device().unwrap();
self.create_swap_chain().unwrap();
self.create_image_views().unwrap();
self.create_render_pass().unwrap();
self.create_graphics_pipeline()
.expect("Should be able to set up graphics pipeline");
}
@ -1112,6 +1115,53 @@ impl VulkanApp {
color_blending
}
fn create_render_pass(&mut self) -> Result<(), String> {
let mut color_attachment: ffi::VkAttachmentDescription = unsafe { std::mem::zeroed() };
color_attachment.format = self.swap_chain_image_format;
color_attachment.samples = ffi::VkSampleCountFlagBits_VK_SAMPLE_COUNT_1_BIT;
color_attachment.loadOp = ffi::VkAttachmentLoadOp_VK_ATTACHMENT_LOAD_OP_CLEAR;
color_attachment.storeOp = ffi::VkAttachmentStoreOp_VK_ATTACHMENT_STORE_OP_STORE;
color_attachment.stencilLoadOp = ffi::VkAttachmentLoadOp_VK_ATTACHMENT_LOAD_OP_DONT_CARE;
color_attachment.stencilStoreOp = ffi::VkAttachmentStoreOp_VK_ATTACHMENT_STORE_OP_DONT_CARE;
color_attachment.initialLayout = ffi::VkImageLayout_VK_IMAGE_LAYOUT_UNDEFINED;
color_attachment.finalLayout = ffi::VkImageLayout_VK_IMAGE_LAYOUT_PRESENT_SRC_KHR;
let mut color_attachment_ref: ffi::VkAttachmentReference = unsafe { std::mem::zeroed() };
color_attachment_ref.attachment = 0;
color_attachment_ref.layout = ffi::VkImageLayout_VK_IMAGE_LAYOUT_COLOR_ATTACHMENT_OPTIMAL;
let mut subpass: ffi::VkSubpassDescription = unsafe { std::mem::zeroed() };
subpass.pipelineBindPoint = ffi::VkPipelineBindPoint_VK_PIPELINE_BIND_POINT_GRAPHICS;
subpass.colorAttachmentCount = 1;
subpass.pColorAttachments = std::ptr::addr_of!(color_attachment_ref);
let mut render_pass_info: ffi::VkRenderPassCreateInfo = unsafe { std::mem::zeroed() };
render_pass_info.sType = ffi::VkStructureType_VK_STRUCTURE_TYPE_RENDER_PASS_CREATE_INFO;
render_pass_info.attachmentCount = 1;
render_pass_info.pAttachments = std::ptr::addr_of!(color_attachment);
render_pass_info.subpassCount = 1;
render_pass_info.pSubpasses = std::ptr::addr_of!(subpass);
let result = unsafe {
ffi::vkCreateRenderPass(
self.device,
std::ptr::addr_of!(render_pass_info),
std::ptr::null(),
std::ptr::addr_of_mut!(self.render_pass),
)
};
if result != ffi::VkResult_VK_SUCCESS {
return Err(String::from("Failed to create render pass!"));
}
Ok(())
}
}
impl Drop for VulkanApp {
@ -1122,6 +1172,12 @@ impl Drop for VulkanApp {
}
}
if !self.render_pass.is_null() {
unsafe {
ffi::vkDestroyRenderPass(self.device, self.render_pass, std::ptr::null());
}
}
for view in &self.swap_chain_image_views {
unsafe {
ffi::vkDestroyImageView(self.device, *view, std::ptr::null());